/* ===== 苹果风格极简CSS ===== */

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

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f7;
    --text-primary: #1d1d1f;
    --text-secondary: #86868b;
    --accent: #0071e3;
    --accent-hover: #0077ed;
    --border: rgba(0,0,0,0.1);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* ===== Header ===== */
.header {
    background: rgba(255,255,255,0.8);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-hm {
    width: 44px;
    height: 44px;
    background: #ef4444;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    color: white;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 12px;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.nav-links a:hover { opacity: 1; }

/* ===== Hero Section ===== */
.hero {
    text-align: center;
    padding: 80px 20px;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.hero p {
    font-size: 20px;
    color: var(--text-secondary);
    font-weight: 400;
}

/* ===== Main Container ===== */
.main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 24px 60px;
}

/* ===== City Select Group ===== */
.city-select-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.city-select-group .input-wrapper {
    flex: 1;
    min-width: 180px;
}

/* ===== Filter Section ===== */
.filter {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    margin-bottom: 32px;
    box-shadow: var(--shadow-sm);
}

.filter-title {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 20px;
}

.filter-stats {
    background: var(--accent);
    color: white;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.stats-text {
    font-size: 14px;
    color: white;
}

.stats-count {
    font-size: 18px;
    font-weight: 700;
    color: white;
}

.filter-section {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.filter-section:last-child {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
}

.filter-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.filter-label svg {
    width: 16px;
    height: 16px;
    color: var(--accent);
}

.button-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.filter-btn {
    padding: 8px 16px;
    border: 1px solid var(--border);
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.filter-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--bg-secondary);
}

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

.input-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: flex-end;
}

.search-actions-inline {
    display: flex;
    gap: 10px;
    align-items: flex-end;
    padding-bottom: 2px;
}

.search-actions-inline .btn {
    margin-bottom: 2px;
}

.input-wrapper {
    flex: 1;
    min-width: 200px;
}

.input-wrapper label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 6px;
    font-weight: 500;
}

.input-wrapper input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.2s;
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0,113,227,0.1);
}

.city-select-group {
    display: flex;
    gap: 12px;
    flex-wrap: nowrap;
    align-items: flex-end;
}

.city-select-group .input-wrapper {
    flex: 1;
    min-width: 120px;
    max-width: 50%;
}

.price-inputs {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: nowrap;
    color: var(--text-secondary);
    font-size: 13px;
}

.price-inputs input {
    flex: 1;
    min-width: 60px;
    max-width: 100px;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.2s;
}

.price-inputs input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0,113,227,0.1);
}

.price-inputs span {
    color: var(--text-secondary);
    font-size: 13px;
    white-space: nowrap;
    flex-shrink: 0;
}

.clear-btn {
    color: var(--text-secondary);
    font-size: 12px;
    cursor: pointer;
    text-decoration: none;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    transition: all 0.2s;
    white-space: nowrap;
}

.clear-btn:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--bg-secondary);
}

.form-group {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 6px;
    font-weight: 500;
}

.form-input, .form-select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.2s;
}

.form-input:focus, .form-select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0,113,227,0.1);
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2386868b' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-group label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 6px;
    font-weight: 500;
}

.form-input, .form-select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.2s;
}

.form-input:focus, .form-select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0,113,227,0.1);
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2386868b' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: #e8e8ed;
}

/* ===== Phone Grid ===== */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 14px;
}

.card {
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    text-decoration: none;
    color: inherit;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform, box-shadow;
    position: relative;
    display: flex;
    flex-direction: column;
    height: auto;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.card-header {
    padding: 14px 12px;
    text-align: center;
}

.card-number {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: white;
}

.card-body {
    padding: 10px 12px;
}

.card-location {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    flex-wrap: wrap;
    gap: 6px;
}

.city-name {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 13px;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 4px;
}

.card-price {
    font-size: 17px;
    font-weight: 700;
    color: var(--accent);
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.card-price .price-detail {
    font-size: 10px;
    color: var(--text-secondary);
    font-weight: 400;
    white-space: nowrap;
}

.card-actions {
    display: flex;
    align-items: center;
}

.favorite-btn {
    font-size: 18px;
    color: #ff9800;
    cursor: pointer;
    transition: color 0.2s;
    line-height: 1;
}

.favorite-btn:hover {
    color: #f57c00;
}

.card-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    background: #e3f2fd;
    border-radius: 100px;
    font-size: 9px;
    font-weight: 600;
    color: #1565c0;
    white-space: nowrap;
}

/* ===== Badge Styles ===== */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
}

.badge-success {
    background: #10b981;
    color: white;
}

.badge-secondary {
    background: #6b7280;
    color: white;
}

.badge-warning {
    background: #f59e0b;
    color: white;
}

.badge-danger {
    background: #ef4444;
    color: white;
}

/* ===== Pagination ===== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 48px;
    flex-wrap: wrap;
}

.pagination a, .pagination span {
    min-width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    text-decoration: none;
    transition: all 0.2s;
    border: 1px solid var(--border);
}

.pagination a {
    background: var(--bg-primary);
    color: var(--text-primary);
}

.pagination a:hover {
    background: var(--bg-secondary);
    border-color: var(--accent);
    color: var(--accent);
}

.pagination .current {
    background: var(--accent);
    color: white;
    font-weight: 500;
    border-color: var(--accent);
}

.pagination .ellipsis {
    padding: 0 12px;
    color: var(--text-secondary);
    font-size: 13px;
    border: none;
    min-width: auto;
    background: transparent;
}

/* ===== Empty State ===== */
.empty {
    text-align: center;
    padding: 80px 20px;
}

.empty-icon {
    font-size: 48px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

.empty-text {
    color: var(--text-secondary);
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border);
    text-align: center;
    padding: 40px 20px;
}

.footer-text {
    color: var(--text-secondary);
    font-size: 12px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 12px;
    }

    .filter {
        padding: 16px 20px;
    }

    .filter-stats {
        padding: 10px 14px;
    }

    .stats-text {
        font-size: 13px;
    }

    .stats-count {
        font-size: 16px;
    }

    .filter-section {
        margin-bottom: 16px;
        padding-bottom: 16px;
    }

    .button-group {
        gap: 6px;
    }

    .filter-btn {
        padding: 6px 12px;
        font-size: 12px;
    }

    /* 平板设备优化：确保省份城市选择并排显示 */
    .city-select-group {
        gap: 10px;
    }

    .city-select-group .input-wrapper {
        min-width: 140px;
    }

    .price-inputs input {
        min-width: 70px;
        max-width: 90px;
    }
}

@media (max-width: 768px) {
    .hero h1 { font-size: 36px; }
    .hero p { font-size: 16px; }
    .hero { padding: 60px 20px; }

    .filter-form { grid-template-columns: 1fr; }

    .filter {
        padding: 16px;
        margin-bottom: 24px;
    }

    .filter-section {
        margin-bottom: 16px;
        padding-bottom: 16px;
    }

    .filter-label {
        font-size: 12px;
        margin-bottom: 10px;
    }

    .input-group {
        flex-direction: column;
        gap: 12px;
        align-items: stretch;
    }

    .input-wrapper {
        min-width: 100%;
    }

    .city-select-group {
        flex-direction: column;
        gap: 12px;
    }

    .city-select-group .input-wrapper {
        min-width: 100%;
        max-width: 100%;
    }

    .price-inputs {
        gap: 6px;
        flex-wrap: wrap;
    }

    .price-inputs input {
        min-width: 70px;
        max-width: 80px;
        font-size: 13px;
    }

    .filter-btn {
        padding: 6px 12px;
        font-size: 12px;
    }

    .search-actions-inline {
        width: 100%;
        justify-content: center;
        margin-top: 8px;
    }

    .search-actions-inline .btn {
        flex: 1;
        min-width: 120px;
        justify-content: center;
    }

    .grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .card-header { padding: 12px 10px; }
    .card-number { font-size: 15px; letter-spacing: 0.3px; }
    .card-body { padding: 8px 10px; }

    .card-location {
        font-size: 11px;
        margin-bottom: 6px;
        justify-content: space-between;
    }

    .city-name { font-size: 12px; }

    .card-price { font-size: 14px; }
    .card-price .price-detail { font-size: 9px; }

    .favorite-btn { font-size: 16px; }
    .card-badge { font-size: 8px; padding: 2px 6px; }
}

@media (max-width: 480px) {
    .grid { grid-template-columns: repeat(2, 1fr); }

    .filter {
        padding: 12px;
        margin-bottom: 20px;
    }

    .filter-section {
        margin-bottom: 12px;
        padding-bottom: 12px;
    }

    .filter-label {
        font-size: 11px;
        margin-bottom: 8px;
    }

    .filter-btn {
        padding: 6px 10px;
        font-size: 11px;
    }

    .button-group {
        gap: 6px;
    }

    .price-inputs input {
        width: 70px;
        font-size: 12px;
        padding: 6px 10px;
    }

    /* 套餐卡片响应式 */
    .package-card .card-header {
        min-height: 100px;
        padding: 12px 10px;
    }
    .package-image {
        width: 50px;
        height: 50px;
        border-radius: 10px;
    }
    .package-name { font-size: 14px; }
    .package-intro { font-size: 11px; -webkit-line-clamp: 3; }

    .card-header { padding: 10px 8px; }
    .card-number { font-size: 14px; letter-spacing: 0.2px; }
    .card-body { padding: 8px; }

    .card-location { font-size: 10px; gap: 4px; margin-bottom: 5px; }
    .city-name { font-size: 11px; }

    .card-price { font-size: 13px; }
    .card-price .price-detail { font-size: 8px; }

    .favorite-btn { font-size: 14px; }
    .card-badge { font-size: 7px; padding: 2px 5px; }
}

/* ===== Package Card Styles ===== */
.package-card {
    cursor: default;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.package-card .card-header {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    padding: 16px 12px;
}

.package-image {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    object-fit: cover;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.package-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-top: 12px;
}

.package-name {
    color: white;
    font-weight: 600;
    font-size: 16px;
    text-align: center;
    line-height: 1.4;
}

.package-info {
    margin: 10px 0;
    flex: 1;
}

.package-intro {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.package-card .card-body {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.package-card .card-location {
    margin-bottom: 10px;
}

.province-name {
    color: var(--text-secondary);
    font-size: 12px;
}

/* ===== Animations ===== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.card {
    animation: fadeIn 0.3s ease-out;
}

.card:nth-child(1) { animation-delay: 0ms; }
.card:nth-child(2) { animation-delay: 30ms; }
.card:nth-child(3) { animation-delay: 60ms; }
.card:nth-child(4) { animation-delay: 90ms; }
.card:nth-child(5) { animation-delay: 120ms; }
.card:nth-child(6) { animation-delay: 150ms; }
.card:nth-child(7) { animation-delay: 180ms; }
.card:nth-child(8) { animation-delay: 210ms; }
.card:nth-child(9) { animation-delay: 240ms; }
.card:nth-child(10) { animation-delay: 270ms; }
.card:nth-child(11) { animation-delay: 300ms; }
.card:nth-child(12) { animation-delay: 330ms; }

/* ===== Performance Optimizations ===== */
/* Reduce repaints with transform */
.card:hover { transform: translate3d(0, -4px, 0); }

/* Hardware acceleration */
.card, .btn, .header {
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* Smooth scrolling */
html { scroll-behavior: smooth; }

/* Text rendering optimization */
body {
    text-rendering: optimizeLegibility;
    -webkit-text-size-adjust: 100%;
}