/* 基础样式 */
:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --bg-light: #f9fafb;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius: 16px;
    --radius-sm: 10px;
}

* {
    box-sizing: border-box;
}

body {
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8ec 100%);
    min-height: 100vh;
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* 导航栏 */
.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, #3b82f6 100%) !important;
    box-shadow: var(--shadow);
    padding: 0.75rem 0;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.35rem;
    letter-spacing: 0.5px;
}

.navbar-brand img {
    transition: transform 0.3s ease;
}

.navbar-brand:hover img {
    transform: scale(1.05);
}

.nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: var(--radius-sm);
    transition: background-color 0.2s ease;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

/* 卡片样式 */
.card {
    border: none;
    border-radius: var(--radius);
    background: #ffffff;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-header {
    border-bottom: 1px solid var(--border-color);
    background: #ffffff;
    padding: 1.25rem 1.5rem;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

/* 软件卡片 */
.software-card {
    border: 1px solid var(--border-color);
    background: #ffffff;
}

.software-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.software-icon {
    padding: 15px;
}

/* 平台Logo样式 */
.platform-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 16px;
    color: #ffffff;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.platform-logo-sm {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    font-size: 11px;
}

.software-card:hover .platform-logo {
    transform: scale(1.1);
}

/* 按钮样式 */
.btn {
    font-weight: 500;
    border-radius: var(--radius-sm);
    padding: 0.625rem 1.25rem;
    transition: all 0.2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #3b82f6 100%);
    border: none;
    box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-hover) 0%, #2563eb 100%);
    box-shadow: 0 6px 20px 0 rgba(37, 99, 235, 0.5);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    border: none;
    box-shadow: 0 4px 14px 0 rgba(16, 185, 129, 0.4);
}

.btn-success:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    box-shadow: 0 6px 20px 0 rgba(16, 185, 129, 0.5);
    transform: translateY(-2px);
}

.btn-outline-secondary {
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
}

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

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1.1rem;
    border-radius: 12px;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* 价格标签 */
.badge {
    font-weight: 600;
    padding: 0.5em 1em;
    border-radius: 20px;
}

.badge.bg-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #3b82f6 100%) !important;
}

.badge.fs-6 {
    font-size: 1rem !important;
    padding: 10px 18px;
}

/* 列表组 */
.list-group-item {
    border: none;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 1.25rem;
    transition: background-color 0.2s ease;
}

.list-group-item:last-child {
    border-bottom: none;
}

.list-group-item-action:hover {
    background-color: var(--primary-light);
}

/* 表格 */
.table {
    margin-bottom: 0;
}

.table th {
    white-space: nowrap;
    font-weight: 600;
    color: var(--text-secondary);
}

.table-bordered {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.table-bordered th,
.table-bordered td {
    border-color: var(--border-color);
}

.table-warning {
    --bs-table-bg: #fef3c7;
    --bs-table-border-color: #fcd34d;
}

.table-success {
    --bs-table-bg: #d1fae5;
    --bs-table-border-color: #6ee7b7;
}

/* 表单 */
.form-control {
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.form-control-lg {
    padding: 1rem 1.25rem;
    font-size: 1.1rem;
}

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

.form-text {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* 提示框 */
.alert {
    border: none;
    border-radius: var(--radius-sm);
    padding: 1rem 1.25rem;
}

.alert-warning {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #92400e;
}

.alert-info {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: #1e40af;
}

.alert-success {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: #065f46;
}

.alert-primary {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: #1e3a8a;
}

/* 面包屑 */
.breadcrumb {
    background: transparent;
    padding: 0;
    margin-bottom: 1.5rem;
}

.breadcrumb-item a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.breadcrumb-item a:hover {
    text-decoration: underline;
}

.breadcrumb-item.active {
    color: var(--text-secondary);
}

/* 页脚 */
footer {
    background: #ffffff !important;
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.03);
}

footer p {
    color: var(--text-secondary);
}

footer a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

footer a:hover {
    color: var(--primary-color);
}

.footer-links {
    font-size: 0.85rem;
}

.footer-links a:hover {
    text-decoration: underline !important;
}

/* 首页标题区 */
.hero-section {
    text-align: center;
    padding: 2rem 0;
}

.hero-section h1 {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.hero-section p {
    color: var(--text-secondary);
}

/* 特性卡片 */
.features-card {
    background: linear-gradient(135deg, #ffffff 0%, var(--bg-light) 100%);
    border: 1px solid var(--border-color);
}

.feature-item {
    text-align: center;
    padding: 1rem 0.5rem;
}

.feature-item .icon {
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.75rem;
    color: var(--primary-color);
}

.feature-item h6 {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.feature-item p {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin: 0;
}

/* 成功页面 */
.success-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
    animation: successPulse 2s ease-in-out infinite;
}

.success-icon svg {
    color: #ffffff;
    animation: checkmark 0.6s ease-out;
}

@keyframes successPulse {
    0%, 100% {
        box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
    }
    50% {
        box-shadow: 0 10px 40px rgba(16, 185, 129, 0.5);
    }
}

@keyframes checkmark {
    0% {
        transform: scale(0) rotate(-45deg);
        opacity: 0;
    }
    50% {
        transform: scale(1.2) rotate(0deg);
    }
    100% {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
}

/* 信息卡片边框 */
.card.border-primary {
    border: 2px solid var(--primary-color) !important;
}

.card.border-success {
    border: 2px solid var(--success-color) !important;
}

.card.border-primary .card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #3b82f6 100%);
    color: #ffffff;
}

.card.border-success .card-header {
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    color: #ffffff;
}

/* 代码样式 */
code {
    background: var(--primary-light);
    padding: 3px 8px;
    border-radius: 6px;
    color: var(--primary-color);
    font-weight: 500;
}

/* 等宽字体 */
.font-monospace {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Mono', monospace;
    letter-spacing: 1px;
}

/* 粘性定位卡片 */
.sticky-top {
    top: 20px;
}

/* 选择套餐卡片 */
.price-card .card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #3b82f6 100%);
    color: #ffffff;
}

.price-card .list-group-item {
    padding: 1.25rem;
    border-radius: 0;
}

.price-card .list-group-item:hover {
    background: var(--primary-light);
}

/* 推荐套餐高亮 */
.price-item-recommended {
    border-left: 3px solid var(--warning-color);
    background: linear-gradient(90deg, rgba(245,158,11,0.04) 0%, transparent 100%);
}

.recommend-chip {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 500;
    color: #b45309;
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    padding: 1px 8px;
    border-radius: 10px;
    vertical-align: middle;
}

.price-card .list-group-item h6 {
    color: var(--text-primary);
    font-weight: 600;
}

.price-card .list-group-item small {
    font-size: 13.2px;
}

/* 套餐折合每天价格 */
.price-card .per-day {
    color: inherit;
    font-variant-numeric: tabular-nums;
}
.price-card .per-day-value {
    font-weight: 600;
}
.price-card .per-day-unit {
    font-size: 0.85em;
    font-weight: 500;
    opacity: 0.72;
}

/* 温馨提示卡片 */
.tips-card {
    background: linear-gradient(135deg, var(--bg-light) 0%, #ffffff 100%);
    border: 1px dashed var(--border-color);
}

/* 响应式调整 */
@media (max-width: 768px) {
    :root {
        --radius: 12px;
        --radius-sm: 8px;
    }

    .display-4 {
        font-size: 1.75rem;
    }

    .card-body {
        padding: 1rem;
    }

    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }

    .platform-logo {
        width: 56px;
        height: 56px;
        font-size: 12px;
    }

    .feature-item {
        padding: 0.75rem 0.25rem;
    }

    .feature-item .icon {
        width: 40px;
        height: 40px;
    }

    .navbar-brand span {
        font-size: 1.1rem !important;
    }
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* 选中文本颜色 */
::selection {
    background: var(--primary-color);
    color: #ffffff;
}

/* 一键复制按钮 */
.btn-copy-info {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    border: none;
    color: #ffffff;
    font-weight: 600;
    font-size: 1.1rem;
    padding: 0.875rem 1.75rem;
    border-radius: 12px;
    box-shadow: 0 4px 14px 0 rgba(245, 158, 11, 0.4);
    transition: all 0.2s ease;
}

.btn-copy-info:hover {
    background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
    box-shadow: 0 6px 20px 0 rgba(245, 158, 11, 0.5);
    transform: translateY(-2px);
    color: #ffffff;
}

.btn-copy-info:active {
    transform: translateY(0);
    color: #ffffff;
}

.btn-copy-info.copied {
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    box-shadow: 0 4px 14px 0 rgba(16, 185, 129, 0.4);
    color: #ffffff;
}

/* 查询页面 */
.query-result-card {
    border: 1px solid var(--border-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

/* 链接样式 */
a {
    color: var(--primary-color);
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary-hover);
}

/* ========================================
   公众号弹窗（通过导航栏"技术支持"触发）
   ======================================== */

/* --- 遮罩 --- */
#wechat-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1001;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
}

#wechat-service.active #wechat-overlay {
    opacity: 1;
    pointer-events: auto;
}

/* --- 弹窗卡片 --- */
#wechat-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.85) translateY(10px);
    z-index: 1002;
    background: #fff;
    border-radius: 20px;
    padding: 36px 36px 28px;
    text-align: center;
    box-shadow:
        0 0 0 1px rgba(0, 0, 0, 0.04),
        0 4px 16px rgba(0, 0, 0, 0.08),
        0 16px 48px rgba(0, 0, 0, 0.16);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease, transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
}

#wechat-service.active #wechat-popup {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, -50%) scale(1) translateY(0);
}

/* 二维码外框 */
#wechat-popup img {
    border-radius: 10px;
    display: block;
    margin: 0 auto 20px;
    max-width: 240px;
    height: auto;
    box-shadow:
        0 0 0 1px rgba(0, 0, 0, 0.06),
        0 2px 12px rgba(0, 0, 0, 0.06);
}

/* 文案 */
#wechat-popup p {
    margin: 0;
    font-size: 15px;
    color: #334155;
    line-height: 1.7;
    letter-spacing: 0.02em;
}

/* --- 关闭按钮 --- */
#wechat-close {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: #f1f5f9;
    color: #94a3b8;
    font-size: 18px;
    line-height: 32px;
    cursor: pointer;
    padding: 0;
    text-align: center;
    transition: all 0.2s ease;
}

#wechat-close:hover {
    background: #e2e8f0;
    color: #334155;
    transform: rotate(90deg);
}

/* --- 移动端适配 --- */
@media (max-width: 768px) {
    #wechat-popup {
        width: calc(100vw - 48px);
        max-width: 320px;
        padding: 28px 24px 22px;
        border-radius: 16px;
    }

    #wechat-popup img {
        max-width: 200px;
        margin-bottom: 16px;
    }

    #wechat-popup p {
        font-size: 14px;
    }
}

/* 文字颜色 */
.text-primary {
    color: var(--primary-color) !important;
}

.text-success {
    color: var(--success-color) !important;
}

.text-danger {
    color: var(--danger-color) !important;
}

.text-warning {
    color: var(--warning-color) !important;
}

/* 背景颜色 */
.bg-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #3b82f6 100%) !important;
}

.bg-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%) !important;
}

/* 阴影 */
.shadow {
    box-shadow: var(--shadow) !important;
}

.shadow-sm {
    box-shadow: var(--shadow-sm) !important;
}

.shadow-lg {
    box-shadow: var(--shadow-lg) !important;
}