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

        :root {
            /* 知愈温柔色系 */
            --main-bg: #FAF9F7;
            --warm-bg: #F2E6DF;
            --mist-pink: #EAD5D1;
            --almond-brown: #D4B8A5;
            --almond-brown-hover: #C4A893;
            --knowing-blue: #8FB3CC;
            --warm-dark-gray: #6D6A65;
            --warm-light-gray: #B8B2A7;
            --text-white: #FFFFFF;
            --shadow-soft: 0 10px 40px rgba(109, 106, 101, 0.12);
            --shadow-hover: 0 15px 50px rgba(109, 106, 101, 0.18);
        }

        html {
            scroll-behavior: smooth;
            background-color: #FAF9F7 !important;
            min-height: 100%;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'WenQuanYi Micro Hei', sans-serif;
            color: var(--warm-dark-gray);
            overflow-x: hidden;
            background: linear-gradient(to bottom, #FAF9F7 0%, #F2E6DF 100%) !important;
            background-attachment: fixed;
            background-repeat: no-repeat;
            min-height: 100vh;
        }

        /* 导航栏 */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(250, 249, 247, 0.97);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(234, 213, 209, 0.5);
            padding: 1.2rem 3rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all 0.3s ease;
        }

        .navbar.scrolled {
            padding: 1rem 3rem;
            box-shadow: var(--shadow-soft);
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            cursor: pointer;
            color: var(--almond-brown);
            text-shadow: 0 2px 4px rgba(212, 184, 165, 0.2);
            transition: all 0.3s ease;
        }

        .logo:hover {
            color: var(--almond-brown-hover);
            transform: translateY(-1px);
        }

        .logo-subtitle {
            font-size: 0.75rem;
            font-weight: 400;
            margin-left: 0.5rem;
            letter-spacing: 0.05em;
            color: var(--warm-light-gray);
            text-shadow: none;
        }

        .nav-links {
            display: flex;
            gap: 2rem;
            align-items: center;
        }

        .nav-link {
            color: var(--warm-dark-gray);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            letter-spacing: 0.5px;
            transition: all 0.3s ease;
            position: relative;
            cursor: pointer;
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--almond-brown);
            transition: width 0.3s ease;
        }

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

        .nav-link:hover {
            color: var(--almond-brown);
        }

        .cta-button {
            background: linear-gradient(90deg, var(--almond-brown) 0%, var(--almond-brown-hover) 100%);
            color: var(--text-white);
            padding: 0.75rem 1.75rem;
            border-radius: 28px;
            border: none;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(212, 184, 165, 0.3);
        }

        .cta-button:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            background: var(--almond-brown-hover);
        }

        .mobile-menu-button {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: #6D6A65;
            cursor: pointer;
            padding: 0.5rem;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 80px;
            left: 0;
            right: 0;
            background: rgba(250, 249, 247, 0.98);
            padding: 2rem;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
            z-index: 999;
            flex-direction: column;
            gap: 1.5rem;
        }

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

        .mobile-nav-link {
            color: var(--warm-dark-gray);
            text-decoration: none;
            font-weight: 500;
            font-size: 1.1rem;
            padding: 1rem;
            text-align: center;
            border-bottom: 1px solid var(--warm-bg);
            cursor: pointer;
        }

        /* 页面容器 */
        .page-section {
            min-height: 100vh;
            padding-top: 100px;
            position: relative;
        }

        .hidden {
            display: none !important;
        }

        /* 首页 */
        #home {
            height: 100vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        #particles-js {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 900px;
            padding: 0 2rem;
            animation: fadeInUp 1s ease-out;
        }

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

        .hero-title {
            font-size: 3.8rem;
            font-weight: 700;
            color: var(--almond-brown);
            margin-bottom: 2rem;
            letter-spacing: -2px;
            line-height: 1.1;
        }

        .hero-question {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--warm-dark-gray);
            margin-bottom: 2.5rem;
            line-height: 1.4;
        }

        .hero-manifesto {
            font-size: 1.05rem;
            color: var(--warm-dark-gray);
            line-height: 1.9;
            margin-bottom: 3rem;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-cta {
            display: inline-flex;
            flex-direction: column;
            align-items: center;
            gap: 0.75rem;
        }

        .hero-button {
            background: linear-gradient(90deg, var(--almond-brown) 0%, var(--almond-brown-hover) 100%);
            color: var(--text-white);
            padding: 1.25rem 3rem;
            border-radius: 35px;
            border: none;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            box-shadow: 0 10px 40px rgba(212, 184, 165, 0.35);
        }

        .hero-button:hover {
            transform: translateY(-4px) scale(1.05);
            box-shadow: 0 15px 60px rgba(212, 184, 165, 0.45);
        }

        .hero-subtitle {
            font-size: 0.95rem;
            color: var(--warm-light-gray);
            font-weight: 500;
        }

        /* 内容区域 */
        .content-section {
            padding: 9rem 3rem 6rem;
            max-width: 1400px;
            margin: 0 auto;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--almond-brown);
            text-align: center;
            margin-bottom: 3rem;
            letter-spacing: -1px;
            line-height: 1.3;
        }

        .section-intro {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 4rem;
            font-size: 1.15rem;
            color: var(--warm-dark-gray);
            line-height: 1.8;
        }

        /* 情绪轮盘 */
        .emotion-wheel {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            margin-bottom: 4rem;
        }

        .emotion-card {
            background: white;
            border-radius: 28px;
            padding: 2rem;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }

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

        .emotion-card.active {
            border: 2px solid var(--almond-brown);
        }

        .emotion-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--warm-dark-gray);
            margin-bottom: 0.75rem;
        }

        .emotion-definition {
            font-size: 1rem;
            color: var(--warm-dark-gray);
            line-height: 1.7;
            margin-bottom: 1rem;
        }

        .emotion-question {
            font-size: 0.95rem;
            color: var(--almond-brown);
            font-style: italic;
            line-height: 1.6;
        }

        .emotion-derivatives {
            margin-top: 1rem;
            padding-top: 1rem;
            border-top: 1px solid rgba(124, 58, 237, 0.1);
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.75rem;
        }

        .derivative-item {
            padding: 0.75rem;
            background: var(--warm-bg);
            border-radius: 16px;
            font-size: 0.9rem;
            color: var(--warm-dark-gray);
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .derivative-item:hover {
            background: var(--mist-pink);
            transform: translateX(5px);
        }

        /* 感官写作 */
        .today-word {
            background: linear-gradient(135deg, var(--almond-brown), var(--almond-brown));
            color: white;
            padding: 2rem 3rem;
            border-radius: 28px;
            text-align: center;
            margin-bottom: 4rem;
            box-shadow: var(--shadow-soft);
        }

        .today-word-label {
            font-size: 1rem;
            opacity: 0.9;
            margin-bottom: 0.5rem;
        }

        .today-word-text {
            font-size: 1.4rem;
            font-weight: 700;
            letter-spacing: 2px;
        }

        .examples-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
            margin-bottom: 4rem;
        }

        .example-card {
            padding: 2.5rem;
            background: white;
            border-radius: 28px;
            box-shadow: var(--shadow-soft);
        }

        .example-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--almond-brown);
            margin-bottom: 1.5rem;
            text-align: center;
        }

        .sensory-item {
            padding: 1rem;
            background: var(--warm-bg);
            border-radius: 16px;
            margin-bottom: 1rem;
            border-left: 4px solid var(--almond-brown);
        }

        .sensory-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--almond-brown);
            margin-bottom: 0.5rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .sensory-text {
            font-size: 1rem;
            color: var(--warm-dark-gray);
            line-height: 1.8;
            font-style: italic;
        }

        .user-interaction {
            background: white;
            padding: 3rem;
            border-radius: 28px;
            box-shadow: var(--shadow-soft);
        }

        .interaction-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--warm-dark-gray);
            margin-bottom: 1.5rem;
            text-align: center;
        }

        .text-input {
            width: 100%;
            min-height: 200px;
            padding: 1.5rem;
            border: 2px solid var(--mist-pink);
            border-radius: 20px;
            font-size: 1rem;
            font-family: inherit;
            line-height: 1.7;
            resize: vertical;
            transition: all 0.3s ease;
            margin-bottom: 1.5rem;
        }

        .text-input:focus {
            outline: none;
            border-color: var(--almond-brown);
            box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.1);
        }

        .submit-button {
            width: 100%;
            background: linear-gradient(90deg, var(--almond-brown) 0%, var(--almond-brown) 100%);
            color: white;
            padding: 1.25rem;
            border-radius: 28px;
            border: none;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .submit-button:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        /* 模态框 */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(10px);
            display: none;
            justify-content: center;
            align-items: center;
            z-index: 2000;
            animation: fadeIn 0.3s ease-out;
        }

        .modal-overlay.show {
            display: flex;
        }

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        .modal-content {
            background: white;
            padding: 3rem;
            border-radius: 32px;
            max-width: 600px;
            width: 90%;
            max-height: 90vh;
            overflow-y: auto;
            box-shadow: 0 20px 80px rgba(0, 0, 0, 0.3);
            animation: slideUp 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            position: relative;
        }

        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(50px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .modal-title {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--almond-brown);
            margin-bottom: 1.5rem;
            text-align: center;
        }

        .modal-text {
            font-size: 1rem;
            color: var(--warm-light-gray);
            line-height: 1.7;
            margin-bottom: 2rem;
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-label {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--warm-dark-gray);
            margin-bottom: 0.5rem;
            display: block;
        }

        .form-input {
            width: 100%;
            padding: 1rem;
            border: 2px solid var(--mist-pink);
            border-radius: 16px;
            font-size: 1rem;
            transition: all 0.3s ease;
        }

        .form-input:focus {
            outline: none;
            border-color: var(--almond-brown);
            box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.1);
        }

        .form-textarea {
            min-height: 100px;
            resize: vertical;
            font-family: inherit;
        }

        .promises {
            background: var(--warm-bg);
            padding: 1.5rem;
            border-radius: 20px;
            margin-bottom: 2rem;
        }

        .promise-item {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            margin-bottom: 0.75rem;
            font-size: 0.95rem;
            color: var(--warm-dark-gray);
        }

        .promise-item:last-child {
            margin-bottom: 0;
        }

        .modal-buttons {
            display: flex;
            gap: 1rem;
        }

        .modal-button {
            flex: 1;
            padding: 1rem;
            border-radius: 20px;
            border: none;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .modal-button-primary {
            background: linear-gradient(90deg, var(--almond-brown) 0%, var(--almond-brown) 100%);
            color: white;
        }

        .modal-button-secondary {
            background: var(--warm-bg);
            color: var(--warm-dark-gray);
        }

        .modal-button:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-soft);
        }

        .close-button {
            position: absolute;
            top: 1.5rem;
            right: 1.5rem;
            background: none;
            border: none;
            font-size: 1.1rem;
            color: var(--warm-light-gray);
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .close-button:hover {
            color: var(--warm-dark-gray);
            transform: rotate(90deg);
        }

        /* 方法论 */
        .methodology-steps {
            display: grid;
            gap: 3rem;
        }

        .methodology-step {
            background: white;
            padding: 3rem;
            border-radius: 28px;
            box-shadow: 0 10px 40px rgba(212, 184, 165, 0.15);
            display: flex;
            gap: 2rem;
            align-items: flex-start;
        }

        .step-number {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #D4B8A5, #EAD5D1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 700;
            color: white;
            flex-shrink: 0;
            box-shadow: 0 5px 20px rgba(212, 184, 165, 0.4);
        }

        .step-content {
            flex: 1;
        }

        .step-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--almond-brown);
            margin-bottom: 1rem;
        }

        .step-description {
            font-size: 1.05rem;
            color: var(--warm-dark-gray);
            line-height: 1.8;
            margin-bottom: 1.5rem;
        }

        .step-features {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-bottom: 1rem;
        }

        .step-feature {
            padding: 0.5rem 1rem;
            background: var(--warm-bg);
            border-radius: 16px;
            font-size: 0.9rem;
            color: var(--warm-dark-gray);
        }

        .step-status {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1rem;
            background: var(--almond-brown);
            color: white;
            border-radius: 16px;
            font-size: 0.9rem;
            font-weight: 600;
        }

        .step-status.coming-soon {
            background: var(--warm-light-gray);
        }

        /* 关于我们 */
        .about-story {
            background: white;
            padding: 3rem;
            border-radius: 28px;
            box-shadow: var(--shadow-soft);
            margin-bottom: 4rem;
            text-align: center;
        }

        .about-story-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--almond-brown);
            margin-bottom: 2rem;
        }

        .about-story-text {
            font-size: 1rem;
            color: var(--warm-dark-gray);
            line-height: 1.6;
            margin-bottom: 1rem;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .team-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(280px, 350px));
            gap: 2rem;
            margin-bottom: 4rem;
            justify-content: center;
        }

        .team-member {
            background: white;
            padding: 2.5rem;
            border-radius: 28px;
            box-shadow: var(--shadow-soft);
            text-align: center;
        }

        .member-role {
            font-size: 0.9rem;
            color: var(--almond-brown);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 0.75rem;
        }

        .member-name {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--warm-dark-gray);
            margin-bottom: 1rem;
        }

        .member-description {
            font-size: 1rem;
            color: var(--warm-dark-gray);
            line-height: 1.8;
        }

        .recruitment-card {
            background: linear-gradient(135deg, var(--warm-bg), var(--mist-pink));
            border: 2px dashed var(--almond-brown);
        }

        .recruitment-title {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--almond-brown);
            margin-bottom: 1rem;
        }

        .contact-section {
            background: white;
            padding: 3rem;
            border-radius: 28px;
            box-shadow: var(--shadow-soft);
            text-align: center;
        }

        .contact-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--warm-dark-gray);
            margin-bottom: 2rem;
        }

        .contact-email {
            color: var(--almond-brown);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
        }

        .contact-email:hover {
            text-decoration: underline;
        }

        /* 在线指示器 */
        .online-indicator {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(124, 58, 237, 0.1);
            padding: 0.5rem 1rem;
            border-radius: 20px;
            font-size: 0.9rem;
            color: var(--warm-dark-gray);
            margin: 0.5rem;
        }

        .online-dot {
            width: 8px;
            height: 8px;
            background: #10B981;
            border-radius: 50%;
            animation: pulse 2s ease-in-out infinite;
            box-shadow: 0 0 10px rgba(16, 185, 129, 0.5);
        }

        @keyframes pulse {
            0%, 100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.2);
            }
        }

        .activity-indicators {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
        }

        .activity-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: white;
            padding: 0.4rem 0.8rem;
            border-radius: 16px;
            font-size: 0.85rem;
            color: var(--warm-light-gray);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
            animation: fadeInScale 0.5s ease-out;
        }

        @keyframes fadeInScale {
            from {
                opacity: 0;
                transform: scale(0.8);
            }
            to {
                opacity: 1;
                transform: scale(1);
            }
        }

        .activity-icon {
            font-size: 1rem;
        }

        /* BGM音乐播放器 */
        .bgm-player {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            z-index: 1000;
            background: rgba(250, 249, 247, 0.95);
            backdrop-filter: blur(20px);
            border-radius: 50px;
            padding: 0.8rem 1.5rem;
            box-shadow: 0 8px 32px rgba(109, 106, 101, 0.2);
            display: flex;
            align-items: center;
            gap: 1rem;
            transition: all 0.3s ease;
        }

        .bgm-player:hover {
            box-shadow: 0 12px 40px rgba(109, 106, 101, 0.3);
            transform: translateY(-2px);
        }

        .bgm-toggle {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--almond-brown), var(--knowing-blue));
            border: none;
            color: white;
            font-size: 1.2rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }

        .bgm-toggle:hover {
            transform: scale(1.1);
        }

        .bgm-info {
            display: flex;
            flex-direction: column;
            gap: 0.2rem;
        }

        .bgm-title {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--warm-dark-gray);
        }

        .bgm-subtitle {
            font-size: 0.75rem;
            color: var(--warm-light-gray);
        }

        @media (max-width: 768px) {
            .bgm-player {
                bottom: 1rem;
                right: 1rem;
                padding: 0.6rem 1rem;
            }

            .bgm-toggle {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }

            .bgm-info {
                display: none;
            }
        }

        /* 日记AI对话模块样式 */
        .diary-card {
            background: var(--main-bg);
            border: 2px solid var(--warm-bg);
            border-radius: 28px;
            padding: 2.5rem;
            box-shadow: var(--shadow-soft);
        }

        .diary-header {
            font-size: 1rem;
            font-weight: 600;
            color: var(--warm-dark-gray);
            margin-bottom: 1.5rem;
            padding-bottom: 1rem;
            border-bottom: 2px solid var(--warm-bg);
        }

        .diary-content {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--warm-dark-gray);
            font-family: 'LXGW WenKai', 'STKaiti', 'KaiTi', serif;
        }

        .highlight-body {
            background: var(--mist-pink);
            padding: 0.2rem 0.4rem;
            border-radius: 6px;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .highlight-thought {
            background: var(--mist-pink);
            padding: 0.2rem 0.4rem;
            border-radius: 6px;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .highlight-emotion {
            color: var(--knowing-blue);
            border-bottom: 2px dashed var(--knowing-blue);
            cursor: pointer;
            transition: all 0.2s ease;
            padding: 0.2rem 0;
        }

        .highlight-body:hover,
        .highlight-thought:hover {
            background: var(--almond-brown);
            color: white;
        }

        .highlight-emotion:hover {
            background: var(--knowing-blue);
            color: white;
            border-bottom-color: transparent;
        }

        .highlight-body.active,
        .highlight-thought.active {
            background: var(--almond-brown);
            color: white;
        }

        .highlight-emotion.active {
            background: var(--knowing-blue);
            color: white;
            border-bottom-color: transparent;
        }

        .ai-chat-card {
            background: white;
            border-radius: 28px;
            padding: 2rem;
            box-shadow: var(--shadow-soft);
            display: flex;
            flex-direction: column;
        }

        .ai-header {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 2px solid var(--warm-bg);
        }

        .ai-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--almond-brown), var(--knowing-blue));
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: 0 4px 12px rgba(212, 184, 165, 0.3);
        }

        .ai-name {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--warm-dark-gray);
        }

        .ai-messages {
            flex: 1;
            max-height: 400px;
            overflow-y: auto;
            padding-right: 0.5rem;
        }

        .ai-message {
            background: var(--warm-bg);
            padding: 1.25rem;
            border-radius: 18px;
            margin-bottom: 1rem;
            font-size: 1rem;
            line-height: 1.7;
            color: var(--warm-dark-gray);
            animation: slideIn 0.4s ease-out;
        }

        .initial-message {
            background: var(--mist-pink);
        }

        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateX(-20px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        .reset-btn {
            margin-top: 1rem;
            padding: 0.6rem 1.5rem;
            background: transparent;
            border: 1px solid var(--warm-light-gray);
            border-radius: 20px;
            color: var(--warm-light-gray);
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.3s ease;
            align-self: flex-start;
        }

        .reset-btn:hover {
            background: var(--warm-bg);
            border-color: var(--almond-brown);
            color: var(--almond-brown);
        }

        @media (max-width: 768px) {
            .page-section {
                padding-top: 200px !important;
            }
            
            .content-section {
                padding: 220px 1rem 4rem !important;
            }
            
            #home {
                padding-top: 150px !important;
            }
            .diary-container {
                grid-template-columns: 1fr !important;
            }

            .diary-card,
            .ai-chat-card {
                padding: 1.5rem;
            }

            .ai-messages {
                max-height: 300px;
            }
        }

        /* 响应式设计 */
        @media (max-width: 1024px) {
            .emotion-wheel {
                grid-template-columns: repeat(2, 1fr);
            }

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

            .team-grid {
                grid-template-columns: repeat(2, minmax(280px, 1fr));
            }
        }

        @media (max-width: 768px) {

            
            /* 增加内容区呼吸空间 */
            .content-section { 
                padding: 220px 1.5rem 4rem !important; 
            }
            
            #home { 
                padding: 150px 1.5rem 2rem !important; 
            }
            
            /* 调整标题大小与间距 */
            .hero-title { 
                font-size: 2.2rem; 
                margin-bottom: 1.5rem; 
            }
            
            .hero-question { 
                font-size: 1.2rem; 
                padding: 0 0.5rem; 
            }
            
            /* 增大触控区域 */
            .cta-button, .hero-button, .submit-button { 
                min-height: 48px; 
                padding: 0.9rem 1.8rem; 
            }

            .page-section {
                padding-top: 200px !important;
            }
            
            .content-section {
                padding: 220px 1rem 4rem !important;
            }
            
            #home {
                padding-top: 150px !important;
            }
            .navbar {
                padding: 1rem 1.5rem;
            }

            .logo {
                font-size: 1rem;
            }

            .logo-subtitle {
                display: none;
            }

            .nav-links {
                display: none;
            }

            .mobile-menu-button {
                display: block;
            }

            #home {
                min-height: 100vh;
                padding: 150px 1rem 2rem;
            }

            .content-section {
                padding: 8rem 1rem 4rem;
            }

            .hero-title {
                font-size: 2.5rem;
            }

            .hero-question {
                font-size: 1.3rem;
            }

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

            .hero-button {
                padding: 1rem 2rem;
                font-size: 1rem;
            }

            .section-title {
                font-size: 1.8rem;
                padding: 0 1rem;
            }

            .content-section {
                padding: 4rem 1rem;
            }

            .emotion-wheel {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .emotion-derivatives {
                grid-template-columns: 1fr;
            }

            .today-word {
                padding: 1.5rem;
            }

            .today-word-text {
                font-size: 1.4rem;
            }

            .example-card {
                padding: 2rem;
            }

            .example-title {
                font-size: 1.1rem;
            }

            .modal-content {
                padding: 2rem;
                width: 95%;
            }

            .modal-title {
                font-size: 1.1rem;
            }

            .methodology-step {
                flex-direction: column;
                padding: 2rem;
            }

            .step-title {
                font-size: 1.1rem;
            }

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

            .about-story,
            .contact-section {
                padding: 2rem;
            }
        }
        /* 情绪轮盘横向滚动优化 */        .emotion-derivatives {            overflow-x: auto;            white-space: nowrap;            display: flex;            gap: 0.75rem;            padding-bottom: 0.5rem;        }        .derivative-item {            flex-shrink: 0;            white-space: nowrap;        }                /* AI对话点击反馈增强 */        .diary-hl.active {            transform: scale(1.05);            transition: transform 0.2s ease;            box-shadow: 0 2px 8px rgba(212, 184, 165, 0.3);        }
    
        /* 情绪横向滚动容器 */
        .emotion-wheel-wrapper {
            position: relative;
            max-width: 1400px;
            margin: 0 auto;
        }

        .emotion-scroll-container {
            display: flex;
            overflow-x: auto;
            gap: 1.5rem;
            padding: 1rem 0 2rem;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scroll-behavior: smooth;
        }

        .emotion-scroll-container::-webkit-scrollbar {
            display: none;
        }

        .emotion-scroll-container {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }

        .emotion-card {
            flex: 0 0 auto;
            width: 85vw;
            max-width: 320px;
            scroll-snap-align: center;
        }

        /* 滚动按钮 */
        .scroll-button {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(250, 249, 247, 0.95);
            backdrop-filter: blur(20px);
            border: 2px solid var(--almond-brown);
            color: var(--almond-brown);
            font-size: 1.5rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 10;
            transition: all 0.3s ease;
            box-shadow: 0 4px 12px rgba(212, 184, 165, 0.3);
        }

        .scroll-button:hover {
            background: var(--almond-brown);
            color: white;
            transform: translateY(-50%) scale(1.1);
            box-shadow: 0 6px 20px rgba(212, 184, 165, 0.5);
        }

        .scroll-button:active {
            transform: translateY(-50%) scale(0.95);
        }

        .scroll-button-left {
            left: -24px;
        }

        .scroll-button-right {
            right: -24px;
        }

        @media (max-width: 768px) {
            .scroll-button {
                width: 40px;
                height: 40px;
                font-size: 1.2rem;
            }

            .scroll-button-left {
                left: 0.5rem;
            }

            .scroll-button-right {
                right: 0.5rem;
            }
        }


        /* 感官详情展开 */
        .sensory-details {
            display: none;
            margin-top: 1rem;
        }
        
        .toggle-details-btn {
            background: none;
            border: none;
            color: #D4B8A5;
            font-size: 0.9rem;
            cursor: pointer;
            margin-top: 0.5rem;
            font-weight: 500;
            transition: color 0.3s ease;
        }
        
        .toggle-details-btn:hover {
            color: #6D6A65;
        }

        /* 感官词汇卡片交互样式 */
        .sensory-word-card {
            background: white;
            border-radius: 24px;
            padding: 2rem;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            border: 2px solid transparent;
        }

        .sensory-word-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 30px rgba(212, 184, 165, 0.3);
            border-color: var(--almond-brown);
        }

        .sensory-word-card.expanded {
            border-color: var(--almond-brown);
            background: linear-gradient(135deg, #FAF9F7 0%, #F2E6DF 100%);
        }

        .sensory-word-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--almond-brown);
            text-align: center;
            margin-bottom: 0.5rem;
            transition: all 0.3s ease;
        }

        .sensory-word-card.expanded .sensory-word-title {
            font-size: 1.8rem;
            margin-bottom: 1.5rem;
        }

        .sensory-word-hint {
            text-align: center;
            font-size: 0.9rem;
            color: var(--warm-light-gray);
            font-style: italic;
            transition: all 0.3s ease;
        }

        .sensory-word-card.expanded .sensory-word-hint {
            opacity: 0;
            height: 0;
            margin: 0;
            overflow: hidden;
        }

        .sensory-details-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.5s ease;
        }

        .sensory-word-card.expanded .sensory-details-content {
            max-height: 1000px;
        }