/* ============================
   宜兴紫砂页面专用样式
   ============================ */

/* 页面头部 */
.page-header {
    position: relative;
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #2C1810 0%, #4A2818 30%, #6B3410 60%, #8B4513 100%);
    padding-top: 80px;
    overflow: hidden;
}

.page-header-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23ffffff' fill-opacity='0.03' fill-rule='evenodd'/%3E%3C/svg%3E");
}

.page-header-content {
    position: relative;
    text-align: center;
    color: var(--text-white);
    z-index: 2;
}

.page-tag {
    display: inline-block;
    font-family: var(--font-serif);
    font-size: 14px;
    color: var(--primary-light);
    letter-spacing: 4px;
    margin-bottom: 20px;
    padding: 8px 24px;
    border: 1px solid rgba(253, 248, 240, 0.3);
    border-radius: 30px;
}

.page-header-content h1 {
    font-family: var(--font-serif);
    font-size: clamp(42px, 7vw, 64px);
    font-weight: 700;
    letter-spacing: 10px;
    margin-bottom: 15px;
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.page-subtitle {
    font-family: var(--font-serif);
    font-size: 20px;
    color: rgba(253, 248, 240, 0.8);
    letter-spacing: 4px;
    margin-bottom: 20px;
}

.header-divider {
    margin-top: 30px;
}

.header-divider span {
    font-size: 32px;
}

/* ============================
   核心宣言
   ============================ */
.declaration {
    padding: 80px 0;
    background: var(--bg-cream);
}

.declaration-box {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    padding: 60px 50px;
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-warm) 100%);
    border-radius: 20px;
    border: 2px solid var(--primary);
    box-shadow: 0 20px 60px rgba(139, 69, 19, 0.15);
    position: relative;
}

.declaration-box::before,
.declaration-box::after {
    content: '"';
    position: absolute;
    font-family: var(--font-serif);
    font-size: 120px;
    color: var(--primary-glow);
    line-height: 1;
}

.declaration-box::before {
    top: 20px;
    left: 30px;
}

.declaration-box::after {
    content: '"';
    bottom: 40px;
    right: 30px;
}

.declaration-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 30px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.declaration-icon svg {
    width: 36px;
    height: 36px;
    color: var(--text-white);
}

.declaration-box h2 {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 25px;
    letter-spacing: 3px;
}

.declaration-text {
    font-size: 18px;
    line-height: 2;
    color: var(--text-secondary);
    margin-bottom: 35px;
}

.declaration-text strong {
    color: var(--primary);
    font-weight: 600;
}

.declaration-badges {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.badge {
    padding: 10px 24px;
    background: var(--primary);
    color: var(--text-white);
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 2px;
}

/* ============================
   宜兴紫砂的珍贵
   ============================ */
.precious {
    padding: 100px 0;
    background: var(--bg-warm);
}

.precious-intro {
    max-width: 800px;
    margin: 0 auto 60px;
    text-align: center;
}

.precious-intro p {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 2;
}

.precious-intro strong {
    color: var(--primary);
}

.precious-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.precious-card {
    padding: 40px;
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

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

.precious-number {
    font-family: var(--font-serif);
    font-size: 64px;
    font-weight: 700;
    color: var(--primary-glow);
    position: absolute;
    top: 20px;
    right: 30px;
    line-height: 1;
}

.precious-card h3 {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 18px;
    letter-spacing: 2px;
}

.precious-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.9;
}

.precious-card strong {
    color: var(--primary);
    font-weight: 600;
}

/* ============================
   六大特性
   ============================ */
.features {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--bg-dark) 0%, #3D2317 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: rgba(253, 248, 240, 0.05);
    border: 1px solid rgba(253, 248, 240, 0.1);
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    background: rgba(253, 248, 240, 0.08);
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, rgba(139, 69, 19, 0.3), rgba(160, 82, 45, 0.3));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(253, 248, 240, 0.1);
}

.feature-icon {
    font-size: 36px;
}

.feature-card h4 {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: 18px;
    letter-spacing: 2px;
}

.feature-card p {
    font-size: 14px;
    color: rgba(253, 248, 240, 0.7);
    line-height: 1.9;
    margin-bottom: 20px;
}

.feature-card strong {
    color: var(--primary-light);
}

.feature-highlight {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(93, 123, 78, 0.3);
    border: 1px solid var(--accent);
    border-radius: 20px;
    font-size: 13px;
    color: var(--accent-light);
    letter-spacing: 1px;
}

/* ============================
   对比部分
   ============================ */
.comparison {
    padding: 100px 0;
    background: var(--bg-cream);
}

.comparison-table-wrapper {
    overflow-x: auto;
    margin-bottom: 60px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    min-width: 600px;
}

.comparison-table th,
.comparison-table td {
    padding: 20px 25px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.comparison-table th {
    font-family: var(--font-serif);
    font-size: 16px;
    font-weight: 600;
    background: var(--bg-warm);
    color: var(--text-primary);
    letter-spacing: 1px;
}

.comparison-table td {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.comparison-table tr:hover td {
    background: rgba(139, 69, 19, 0.03);
}

.highlight-col {
    background: rgba(93, 123, 78, 0.08) !important;
    color: var(--accent-dark) !important;
    font-weight: 500;
}

thead .highlight-col {
    background: var(--accent) !important;
    color: var(--text-white) !important;
}

/* 详细对比卡片 */
.comparison-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.comparison-card {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.comparison-card.yixing {
    border: 3px solid var(--accent);
}

.comparison-card.other {
    border: 3px solid #ccc;
}

.comparison-card-header {
    padding: 25px 30px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.comparison-card.yixing .comparison-card-header {
    background: linear-gradient(135deg, var(--accent-dark), var(--accent));
}

.comparison-card.other .comparison-card-header {
    background: linear-gradient(135deg, #888, #aaa);
}

.comparison-badge {
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
}

.comparison-badge.good {
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-white);
}

.comparison-badge.warn {
    background: rgba(255, 255, 255, 0.3);
    color: #333;
}

.comparison-card-header h3 {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 600;
    color: var(--text-white);
    letter-spacing: 2px;
}

.comparison-list {
    list-style: none;
    padding: 30px;
    background: var(--bg-card);
}

.comparison-list li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 15px 0;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
    color: var(--text-secondary);
}

.comparison-list li:last-child {
    border-bottom: none;
}

.check,
.cross {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
}

.check {
    background: var(--accent);
    color: white;
}

.cross {
    background: #e74c3c;
    color: white;
}

/* ============================
   泥料分类
   ============================ */
.clay-types {
    padding: 100px 0;
    background: var(--bg-warm);
}

.clay-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.clay-card {
    background: var(--bg-card);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

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

.clay-color {
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 600;
    color: white;
    letter-spacing: 4px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.clay-content {
    padding: 30px;
}

.clay-content h4 {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.clay-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.clay-features {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.clay-features span {
    padding: 6px 16px;
    background: var(--primary-glow);
    border-radius: 20px;
    font-size: 12px;
    color: var(--primary);
    font-weight: 500;
}

.clay-tea {
    font-size: 13px;
    color: var(--accent-dark);
    padding-top: 15px;
    border-top: 1px dashed var(--border);
}

/* ============================
   本店优势
   ============================ */
.advantages {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--bg-dark) 0%, #3D2317 100%);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.advantages-grid .advantage-card:nth-child(4),
.advantages-grid .advantage-card:nth-child(5) {
    grid-column: span 1;
}

.advantage-card {
    background: rgba(253, 248, 240, 0.05);
    border: 1px solid rgba(253, 248, 240, 0.1);
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
}

.advantage-card:hover {
    background: rgba(253, 248, 240, 0.08);
    transform: translateY(-5px);
}

.advantage-icon {
    font-size: 48px;
    margin-bottom: 25px;
}

.advantage-card h4 {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: 18px;
    letter-spacing: 2px;
}

.advantage-card p {
    font-size: 14px;
    color: rgba(253, 248, 240, 0.7);
    line-height: 1.9;
}

.advantage-card strong {
    color: var(--primary-light);
}

/* ============================
   鉴别指南
   ============================ */
.identification {
    padding: 100px 0;
    background: var(--bg-cream);
}

.identification-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.id-card {
    padding: 40px 30px;
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    position: relative;
}

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

.id-number {
    font-family: var(--font-serif);
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-glow);
    margin-bottom: 15px;
    line-height: 1;
}

.id-card h4 {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.id-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.9;
}

.id-card strong {
    color: var(--primary);
}

/* ============================
   养壶知识
   ============================ */
.care {
    padding: 100px 0;
    background: var(--bg-warm);
}

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

.care-text .section-tag {
    margin-bottom: 20px;
}

.care-text h2 {
    font-family: var(--font-serif);
    font-size: 36px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 40px;
    letter-spacing: 3px;
}

.care-steps {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.care-step {
    display: flex;
    gap: 25px;
    align-items: flex-start;
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 700;
    color: var(--text-white);
    flex-shrink: 0;
}

.care-step h5 {
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.care-step p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.care-placeholder {
    height: 450px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    box-shadow: var(--shadow-lg);
}

.care-placeholder span:first-child {
    font-size: 64px;
}

.care-placeholder span:last-child {
    font-size: 20px;
    color: var(--text-white);
    letter-spacing: 4px;
}

/* ============================
   CTA区域
   ============================ */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 60%);
}

.cta-content {
    position: relative;
    text-align: center;
    color: var(--text-white);
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-family: var(--font-serif);
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: 3px;
    line-height: 1.4;
}

.cta-content > p {
    font-size: 16px;
    color: rgba(253, 248, 240, 0.8);
    line-height: 1.8;
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 40px;
}

.cta-info {
    display: flex;
    gap: 40px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-info span {
    font-size: 15px;
    color: rgba(253, 248, 240, 0.7);
}

/* ============================
   响应式
   ============================ */
@media (max-width: 1024px) {
    .precious-grid,
    .comparison-details,
    .clay-grid,
    .identification-grid,
    .care-content {
        grid-template-columns: 1fr;
    }

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

    .comparison-table-wrapper {
        margin: 0 -20px 60px;
        border-radius: 0;
    }
}

@media (max-width: 768px) {
    .page-header {
        min-height: 40vh;
        padding-top: 100px;
    }

    .page-header-content h1 {
        letter-spacing: 6px;
    }

    .declaration-box {
        padding: 40px 25px;
    }

    .declaration-box::before,
    .declaration-box::after {
        font-size: 80px;
    }

    .declaration-text {
        font-size: 16px;
    }

    .features-grid,
    .advantages-grid,
    .identification-grid {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-info {
        flex-direction: column;
        gap: 15px;
    }
}