/* 产品中心页面样式 */
.product-nav {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: var(--header-height, 80px);
    z-index: 100;
}

.product-nav-tabs {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.nav-tab {
    padding: 0.5rem 1rem;
    border: none;
    background: transparent;
    color: var(--text-light);
    font-weight: 500;
    cursor: pointer;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.nav-tab.active,
.nav-tab:hover {
    background: var(--primary-color);
    color: white;
}

.product-list {
    padding: 0;
    display: none;
}

.product-list.active {
    display: block;
}

/* 产品分栏横幅 */
.category-banner {
    min-height: 180px;
    background-size: cover;
    background-position: center;
    background-color: var(--primary-color);
    position: relative;
    display: flex;
    align-items: center;
    padding: 2.5rem 0;
    margin: 0 24px 1.5rem;
    border-radius: 16px;
    overflow: hidden;
}

.category-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(139,69,19,0.75), rgba(0,0,0,0.4));
    pointer-events: none;
    border-radius: inherit;
}

.category-banner .container {
    position: relative;
    z-index: 1;
    text-align: center;
}

.banner-title {
    color: white;
    font-size: 1.75rem;
    font-weight: 600;
    margin: 0 0 0.5rem;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
}

.banner-subtitle {
    color: rgba(255,255,255,0.95);
    font-size: 1rem;
    margin: 0;
    opacity: 0.95;
}

.product-list > .container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem 20px;
}

.product-item {
    background: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.product-item:hover {
    transform: translateY(-5px);
}

.product-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

/* 产品保障与背书卡片（次要信息区） */
.product-assurance {
    padding: 2rem 0 3rem;
    background: linear-gradient(180deg, rgba(250,249,247,0.5) 0%, rgba(232,220,192,0.15) 100%);
    border-top: 1px solid var(--border-color);
}

.assurance-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    max-width: 1100px;
    margin: 0 auto;
}

.assurance-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.25rem 1rem;
    background: rgba(255,255,255,0.95);
    border-radius: 14px;
    border: 1px solid rgba(232,220,192,0.7);
    box-shadow: 0 1px 4px rgba(139,69,19,0.04);
    transition: all 0.25s ease;
    position: relative;
    overflow: hidden;
}

.assurance-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    border-radius: 4px 0 0 4px;
}

.assurance-card--cert::before { background: linear-gradient(180deg, #2e7d32, #66bb6a); }
.assurance-card--logistics::before { background: linear-gradient(180deg, #1565c0, #42a5f5); }
.assurance-card--farmer::before { background: linear-gradient(180deg, #e65100, #ff9800); }
.assurance-card--policy::before { background: linear-gradient(180deg, #6a1b9a, #9c27b0); }

.assurance-card:hover {
    border-color: rgba(139,69,19,0.25);
    box-shadow: 0 4px 16px rgba(139,69,19,0.08);
}

.assurance-card-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.assurance-card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    font-size: 0.9rem;
}

.assurance-card--cert .assurance-card-icon { background: rgba(46,125,50,0.15); }
.assurance-card--logistics .assurance-card-icon { background: rgba(21,101,192,0.15); }
.assurance-card--farmer .assurance-card-icon { background: rgba(230,81,0,0.15); }
.assurance-card--policy .assurance-card-icon { background: rgba(106,27,154,0.15); }

.assurance-card-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-dark);
    margin: 0;
}

.assurance-card-img {
    width: 72px;
    height: 72px;
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-light);
    margin-bottom: 0.75rem;
}

.assurance-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.assurance-card-desc {
    font-size: 0.78rem;
    line-height: 1.5;
    color: var(--text-light);
    margin: 0 0 0.75rem;
}

.assurance-card-link {
    font-size: 0.8rem;
    color: #2e7d32;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.assurance-card-link:hover {
    color: #1b5e20;
    text-decoration: underline;
}

.assurance-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    justify-content: center;
}

.assurance-tag {
    font-size: 0.72rem;
    padding: 0.25rem 0.5rem;
    background: rgba(21,101,192,0.1);
    color: #1565c0;
    border-radius: 6px;
}

.assurance-card-stat {
    margin-top: 0.25rem;
}

.assurance-stat-num {
    font-size: 0.9rem;
    font-weight: 600;
    color: #e65100;
}

.assurance-card-badge {
    margin-top: 0.25rem;
}

.assurance-badge-text {
    font-size: 0.75rem;
    color: #6a1b9a;
    font-weight: 500;
}

.product-details {
    padding: 1.5rem;
}

.product-tags {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.product-tag {
    background: var(--accent-color);
    color: white;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0.5rem 0;
}

.product-desc {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.product-actions {
    display: flex;
    gap: 0.5rem;
}

/* 产地溯源页面样式 */
.geo-advantages {
    padding: 3rem 0;
    background: var(--bg-light);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.advantage-item {
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-5px);
}

.advantage-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.farming-process {
    padding: 4rem 0;
    background: var(--bg-white);
}

.farming-process h2 {
    text-align: center;
    margin-bottom: 1rem;
}

.farming-process > .container > p {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.process-gallery {
    padding: 4rem 0;
    background: var(--bg-light);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.gallery-item {
    background: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.gallery-item:hover {
    transform: translateY(-5px);
}

.gallery-item img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.gallery-item h3 {
    padding: 1rem 1rem 0;
}

.gallery-item p {
    padding: 0.5rem 1rem 1rem;
    color: var(--text-light);
    font-size: 0.95rem;
}

.quality-data {
    padding: 4rem 0;
    background: var(--bg-white);
}

.quality-data h2 {
    text-align: center;
    margin-bottom: 2rem;
}

.data-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.data-item {
    text-align: center;
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 12px;
    transition: transform 0.3s ease;
}

.data-item:hover {
    transform: translateY(-3px);
}

.data-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.data-label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.data-desc {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* 中阳县地理位置 - 与 geo-advantages、process-gallery 等保持一致的 section 样式 */
.trace-map {
    padding: 4rem 0;
    background: var(--bg-light);
}

.trace-map h2 {
    text-align: center;
    margin-bottom: 2rem;
}

.trace-map .map-placeholder {
    text-align: center;
    color: var(--text-light);
}

.trace-map .map-placeholder .map-image {
    display: block;
    width: 100%;
    max-width: 800px;
    height: auto;
    border-radius: 12px;
    margin: 0 auto 1.5rem;
    object-fit: cover;
}

.trace-map .map-placeholder p {
    margin: 0.25rem 0;
    font-size: 1rem;
}

.trace-input {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin: 2rem 0;
}

.trace-form {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.trace-form input {
    flex: 1;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
}

.trace-form button {
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
}

.trace-result {
    display: none;
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    margin-top: 2rem;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.step-item {
    text-align: center;
    padding: 2rem;
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin: 0 auto 1rem;
}

/* 用户故事页面样式 */
.stories-hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.stories-hero h1 {
    color: white;
    margin-bottom: 0.75rem;
}

.stories-hero-desc {
    font-size: 1.15rem;
    opacity: 0.95;
    max-width: 500px;
    margin: 0 auto;
}

.story-filters {
    padding: 2rem 0;
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
}

.stories-filter {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1.25rem;
    border: 2px solid var(--border-color);
    background: transparent;
    color: var(--text-light);
    border-radius: 24px;
    cursor: pointer;
    font-size: 0.95rem;
    transition: all 0.25s ease;
}

.filter-btn.active,
.filter-btn:hover {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: white;
}

.stories-gallery {
    padding: 3rem 0;
    background: var(--bg-light);
}

.stories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.75rem;
}

.story-card {
    background: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.story-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 30px rgba(139, 69, 19, 0.15);
}

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

.story-card .story-content {
    padding: 1.5rem 1.75rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.story-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.story-author {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 1rem;
}

.story-category {
    background: var(--accent-color);
    color: white;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.story-text {
    color: var(--text-dark);
    line-height: 1.75;
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.story-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.story-stats {
    display: flex;
    gap: 1.25rem;
    color: var(--text-light);
    font-size: 0.85rem;
}

.story-stats span {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.submit-story-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    box-shadow: var(--shadow);
    z-index: 100;
}

.submit-story-btn:hover {
    transform: scale(1.1);
}

/* 投稿表单 */
.story-form-modal .modal-content {
    max-width: 600px;
}

.story-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 1rem;
}

/* 品牌IP页面样式 */
.ip-hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.ip-character {
    width: 180px;
    height: 180px;
    margin: 2rem auto;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    border: 4px solid rgba(255, 255, 255, 0.3);
}

.ip-character-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ip-hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    text-shadow: 1px 2px 4px rgba(0, 0, 0, 0.2);
}

.ip-hero p {
    font-size: 1.1rem;
    opacity: 0.95;
    margin: 0.35rem 0;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

/* IP文化解读 */
.ip-culture {
    padding: 4rem 0;
    background: var(--bg-white);
}

.ip-culture h2 {
    text-align: center;
    margin-bottom: 2rem;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.culture-item {
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.culture-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.culture-item h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

.culture-item p {
    color: var(--text-light);
    line-height: 1.7;
    margin: 0;
}

.ip-merchandise {
    padding: 4rem 0;
    background: var(--bg-light);
}

.ip-merchandise h2 {
    text-align: center;
    margin-bottom: 0.5rem;
}

.ip-merchandise > .container > p {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.merch-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
}

.merch-item {
    background: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.merch-item:hover {
    transform: translateY(-5px);
}

.merch-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.merch-info {
    padding: 1.5rem;
    text-align: center;
}

.merch-price {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0.5rem 0;
}

.ip-assistant {
    background: var(--bg-white);
    padding: 4rem 0;
}

.ip-assistant h2 {
    text-align: center;
    margin-bottom: 0.5rem;
}

.ip-assistant-desc {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.assistant-demo {
    display: grid;
    grid-template-columns: 160px 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

.assistant-avatar {
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.digital-assistant-img {
    width: 140px;
    height: 140px;
    max-width: 100%;
    object-fit: cover;
    border-radius: 50%;
    box-shadow: var(--shadow);
    border: 3px solid var(--border-color);
}

.assistant-chat {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    min-height: 300px;
    display: flex;
    flex-direction: column;
}

.chat-messages {
    flex: 1;
    min-height: 120px;
}

.chat-message.assistant {
    background: var(--bg-white);
    padding: 1rem 1.25rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    border-left: 4px solid var(--primary-color);
}

.chat-message.assistant p {
    margin: 0;
    color: var(--text-dark);
    font-size: 0.95rem;
    line-height: 1.6;
}

.chat-input-area {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

.chat-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
}

.chat-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.assistant-features h3 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.assistant-features ul {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
}

.assistant-features li {
    padding: 0.4rem 0;
    color: var(--text-light);
}

.assistant-tips {
    background: rgba(139, 69, 19, 0.06);
    padding: 1rem;
    border-radius: 8px;
}

.assistant-tips p {
    margin: 0.25rem 0;
    font-size: 0.9rem;
    color: var(--text-light);
}

/* IP文化活动 */
.ip-activities {
    padding: 4rem 0;
    background: var(--bg-light);
}

.ip-activities h2 {
    text-align: center;
    margin-bottom: 2rem;
}

.activities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.ip-activities .activity-item {
    background: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.ip-activities .activity-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(139, 69, 19, 0.15);
}

.ip-activities .activity-item img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.ip-activities .activity-item h3 {
    padding: 1.25rem 1rem 0.5rem;
    font-size: 1.15rem;
}

.ip-activities .activity-item p {
    padding: 0 1rem 1rem;
    color: var(--text-light);
    font-size: 0.95rem;
}

.ip-activities .activity-item .btn {
    margin-bottom: 1.5rem;
}

/* 社群引流页面样式 */
.private-hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.private-hero h1 {
    color: white;
    margin-bottom: 0.75rem;
}

.private-hero-desc {
    font-size: 1.15rem;
    opacity: 0.95;
    max-width: 480px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 优惠券领取（已移至购物车侧边栏） */
.coupon-claim-section {
    padding: 3rem 0;
    background: var(--bg-light);
}

.coupon-claim-section h2 {
    text-align: center;
    margin-bottom: 0.5rem;
}

.coupon-claim-section > .container > p {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.coupon-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 700px;
    margin: 0 auto;
}

.coupon-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow);
    border: 2px dashed var(--accent-color);
}

.coupon-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    min-width: 70px;
    text-align: center;
}

.coupon-info {
    flex: 1;
}

.coupon-info h3 {
    margin-bottom: 0.25rem;
}

.coupon-info p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin: 0;
}

.coupon-rule {
    font-size: 0.8rem !important;
    margin-top: 0.5rem !important;
}

.claim-coupon-btn {
    flex-shrink: 0;
}

.claim-coupon-btn.claimed {
    background: var(--text-light);
    cursor: not-allowed;
}

.benefits-section {
    padding: 2.5rem 0;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin: 0;
}

.benefit-item {
    text-align: center;
    padding: 1.25rem 1rem;
    background: rgba(255,255,255,0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.benefit-item h3 {
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

.benefit-item p {
    font-size: 0.8rem;
    opacity: 0.9;
    margin: 0;
    line-height: 1.4;
}

.benefit-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.qr-section {
    background: var(--bg-white);
    padding: 3rem 0;
}

.qr-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.qr-card {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.qr-btn {
    margin-top: 0.5rem;
    width: 100%;
    max-width: 160px;
}

.qr-code {
    width: 100px;
    height: 100px;
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    margin: 0.75rem auto;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--text-light);
}

.qr-section h2 {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.qr-section > .container > p {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.qr-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.qr-card-desc {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.5;
    margin: 0 0 0.5rem;
}

.qr-benefits {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    justify-content: center;
    margin: 1rem 0;
}

.benefit-tag {
    font-size: 0.75rem;
    padding: 0.2rem 0.5rem;
    background: rgba(139,69,19,0.12);
    color: var(--primary-color);
    border-radius: 12px;
}

/* 社群活动与评价 */
.private-activities {
    padding: 3rem 0;
    background: var(--bg-light);
}

.private-activities h2 {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.activities-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.activity-card {
    background: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
}

.activity-card img {
    width: 100%;
    height: 140px;
    object-fit: cover;
    display: block;
}

.activity-info {
    padding: 1rem 1.25rem;
    flex: 1;
}

.activity-info h3 {
    font-size: 1.05rem;
    margin-bottom: 0.35rem;
}

.activity-info p {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.5;
    margin: 0;
}

.activity-tag {
    display: inline-block;
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--primary-color);
    background: rgba(139,69,19,0.1);
    padding: 0.2rem 0.5rem;
    border-radius: 8px;
}

.testimonials {
    padding: 3rem 0;
    background: var(--bg-white);
}

.testimonials h2 {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.testimonial-item {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
}

.testimonial-content {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.testimonial-author {
    display: flex;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-light);
}

.author-name {
    font-weight: 600;
    color: var(--primary-color);
}

/* 二维码弹窗图片 */
#qr-modal .qr-display img {
    width: 200px;
    height: 200px;
    object-fit: contain;
    display: block;
    margin: 0 auto 1rem;
}

#qr-modal .qr-display p {
    font-size: 0.9rem;
    color: var(--text-light);
}

#qr-modal .modal-tips {
    text-align: left;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

#qr-modal .modal-tips h4 {
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

#qr-modal .modal-tips ul {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.6;
    padding-left: 1.25rem;
}

/* 定制页面样式 */
.custom-hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.custom-hero h1 {
    color: white;
    margin-bottom: 0.75rem;
    font-size: 2rem;
}

.custom-hero-desc {
    font-size: 1.15rem;
    opacity: 0.95;
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.6;
}

.custom-section-title {
    text-align: center;
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 2rem;
    position: relative;
}

.custom-section-title::after {
    content: '';
    display: block;
    width: 48px;
    height: 3px;
    background: var(--primary-color);
    margin: 0.75rem auto 0;
    border-radius: 2px;
}

.custom-coupon-notice {
    background: linear-gradient(90deg, rgba(218,165,32,0.15), rgba(139,69,19,0.1));
    padding: 1rem 0;
    border-left: 4px solid var(--accent-color);
    margin: 0 0 2rem;
}

.custom-coupon-notice p {
    margin: 0;
    color: var(--text-dark);
}

.custom-options {
    padding: 3rem 0;
    background: var(--bg-light);
}

.custom-options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.75rem;
}

.custom-option {
    background: var(--bg-white);
    padding: 2rem 1.75rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.custom-option:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.1);
}

.custom-option .option-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    line-height: 1;
}

.custom-option h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.custom-option > p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.5;
    margin-bottom: 1rem;
}

.custom-option .option-features {
    list-style: none;
    padding: 0;
    margin: 0 0 1.25rem;
    text-align: left;
    width: 100%;
}

.custom-option .option-features li {
    font-size: 0.9rem;
    color: var(--text-light);
    padding: 0.35rem 0;
    padding-left: 1.25rem;
    position: relative;
}

.custom-option .option-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 600;
}

.custom-option-btn {
    margin-top: auto;
    width: 100%;
    max-width: 180px;
}

.custom-form {
    background: var(--bg-white);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    max-width: 600px;
    margin: 3rem auto;
}

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

/* 定制案例 */
.custom-cases {
    padding: 3rem 0;
    background: var(--bg-white);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.75rem;
}

.case-item {
    background: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.case-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.1);
}

.case-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.case-info {
    padding: 1.25rem 1.5rem;
}

.case-info h3 {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.case-info p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.5;
    margin: 0.25rem 0;
}

.case-tag {
    display: inline-block;
    margin-top: 0.75rem;
    padding: 0.25rem 0.75rem;
    background: rgba(139, 69, 19, 0.12);
    color: var(--primary-color);
    font-size: 0.8rem;
    border-radius: 20px;
}

/* 定制流程 */
.custom-process {
    padding: 3rem 0;
    background: var(--bg-light);
}

.custom-process .process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.custom-process .process-step {
    background: var(--bg-white);
    padding: 2rem 1.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.25s ease;
}

.custom-process .process-step:hover {
    transform: translateY(-3px);
}

.custom-process .step-number {
    width: 44px;
    height: 44px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    margin: 0 auto 1rem;
}

.custom-process .process-step h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.custom-process .process-step p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.5;
    margin: 0;
}

/* 批量采购 */
.bulk-pricing {
    padding: 3rem 0;
    background: var(--bg-white);
}

.pricing-table {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.pricing-tier {
    background: var(--bg-light);
    padding: 2rem 1.5rem;
    border-radius: 12px;
    text-align: center;
    position: relative;
    border: 2px solid transparent;
    transition: border-color 0.25s ease, transform 0.25s ease;
}

.pricing-tier:hover {
    transform: translateY(-3px);
}

.pricing-tier.featured {
    background: linear-gradient(135deg, rgba(139,69,19,0.08), rgba(218,165,32,0.06));
    border-color: var(--primary-color);
}

.pricing-tier h3 {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.pricing-tier .price {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1.25rem;
}

.pricing-tier ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pricing-tier ul li {
    font-size: 0.9rem;
    color: var(--text-light);
    padding: 0.4rem 0;
    border-bottom: 1px solid rgba(0,0,0,0.06);
}

.pricing-tier ul li:last-child {
    border-bottom: none;
}

.featured-badge {
    position: absolute;
    top: -10px;
    right: 16px;
    background: var(--primary-color);
    color: white;
    font-size: 0.75rem;
    padding: 0.25rem 0.6rem;
    border-radius: 20px;
}

/* 联系我们 */
.contact-section {
    padding: 3rem 0;
    background: var(--bg-light);
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.contact-item {
    background: var(--bg-white);
    padding: 2rem 1.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.25s ease;
}

.contact-item:hover {
    transform: translateY(-3px);
}

.contact-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.contact-item h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.contact-item p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.5;
    margin: 0.25rem 0;
}

/* 其他页面通用样式 */
.page-hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.page-hero h1 {
    color: white;
    margin-bottom: 1rem;
}

.page-hero p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .product-list > .container {
        grid-template-columns: 1fr;
    }

    .category-banner {
        min-height: 140px;
        padding: 2rem 0;
        margin: 0 16px 1.5rem;
    }

    .banner-title {
        font-size: 1.4rem;
    }

    .banner-subtitle {
        font-size: 0.95rem;
    }

    .assurance-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .assurance-card {
        padding: 1rem 0.875rem;
    }

    .assurance-card-img {
        width: 60px;
        height: 60px;
    }

    .assurance-card-icon {
        width: 24px;
        height: 24px;
        font-size: 0.8rem;
    }

    .assurance-card-title {
        font-size: 0.9rem;
    }

    .assurance-card-desc {
        font-size: 0.75rem;
    }

    .assurance-tag {
        font-size: 0.68rem;
    }

    .assurance-stat-num {
        font-size: 0.85rem;
    }

    .stories-hero {
        padding: 2rem 0;
    }

    .stories-hero h1 {
        font-size: 1.75rem;
    }

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

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

    .story-card .story-content {
        padding: 1.25rem 1.5rem;
    }

    .story-text {
        -webkit-line-clamp: 3;
    }

    .assistant-demo {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .assistant-avatar {
        order: -1;
        justify-content: center;
    }

    .digital-assistant-img {
        width: 120px;
        height: 120px;
    }

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

    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .benefit-item {
        padding: 1rem 0.75rem;
    }

    .activities-showcase {
        grid-template-columns: 1fr;
    }

    .activity-card img {
        height: 120px;
    }

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

    .private-hero {
        padding: 2.5rem 0;
    }

    .custom-options-grid {
        grid-template-columns: 1fr;
    }

    .custom-hero h1 {
        font-size: 1.6rem;
    }

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

    .custom-section-title {
        font-size: 1.3rem;
    }

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

    .custom-process .process-steps {
        grid-template-columns: 1fr;
    }

    .pricing-table {
        grid-template-columns: 1fr;
    }

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

    .submit-story-btn {
        bottom: 1rem;
        right: 1rem;
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .assurance-cards {
        grid-template-columns: 1fr;
    }

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

    .activity-card img {
        height: 100px;
    }
}