:root {
    /* 腾讯云风格配色 */
    --primary: #006EFF;
    --primary-hover: #0057CC;
    --primary-soft: #E8F1FF;
    --primary-faint: rgba(0, 110, 255, 0.06);
    --aliyun: #FF6A00;
    --aliyun-hover: #E55D00;
    --aliyun-soft: rgba(255, 106, 0, 0.06);
    --success: #00B578;
    --warning: #FF9C19;
    --danger: #E34D59;
    --white: #FFFFFF;
    --gray-0: #FAFBFC;
    --gray-50: #F5F6F8;
    --gray-100: #EEEEF0;
    --gray-200: #DEE0E3;
    --gray-300: #C4C6C9;
    --gray-400: #8C8E92;
    --gray-500: #6B6D71;
    --gray-600: #4F5155;
    --gray-700: #333538;
    --gray-800: #1F2124;
    --gray-900: #131518;
    --hero-bg: linear-gradient(135deg, #1245D6 0%, #006EFF 50%, #3B8BFF 100%);
    --border: rgba(0, 0, 0, 0.08);
    --border-strong: rgba(0, 0, 0, 0.12);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.04), 0 0 1px rgba(0, 0, 0, 0.06);
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --transition: all 0.2s ease;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
}

*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 14px;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    color: var(--gray-800);
    background: var(--gray-0);
    min-width: 320px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
}

img {
    max-width: 100%;
}

.notice-text,
.hero-copy > p,
.hero-links a,
.platform-copy p,
.page-header-left p,
.info-item .value,
.hot-config,
.hot-duration,
.hot-original,
.promo-card .config {
    overflow-wrap: anywhere;
}

/* ========== 加载动画 ========== */
.loading-screen {
    position: fixed;
    inset: 0;
    background: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.loading-screen.hide {
    opacity: 0;
    visibility: hidden;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-100);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loading-text {
    color: var(--gray-400);
    margin-top: 16px;
    font-size: 14px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ========== 头部导航 ========== */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.header-inner,
.hero-inner,
.main,
.footer-inner {
    width: min(1200px, calc(100% - 48px));
    margin: 0 auto;
}

.header-inner {
    min-height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.header-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.header-logo {
    width: 32px;
    height: 32px;
    display: block;
    flex-shrink: 0;
}

.header-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--gray-900);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.header-meta-text {
    font-size: 13px;
    color: var(--gray-400);
}

.header-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 32px;
    padding: 0 14px;
    border-radius: 16px;
    background: rgba(0, 181, 120, 0.08);
    color: var(--success);
    font-size: 13px;
    font-weight: 500;
}

.header-status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    animation: pulse 2s infinite;
}

/* ========== Hero 区域 ========== */
.hero-band {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #1245D6 0%, #006EFF 50%, #3B8BFF 100%);
    padding: 60px 0 80px;
}

.hero-band::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1), transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.08), transparent 40%);
    pointer-events: none;
}

.hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-copy {
    color: #fff;
}

.hero-kicker {
    display: inline-flex;
    align-items: center;
    height: 28px;
    padding: 0 14px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    font-size: 13px;
    font-weight: 500;
}

.hero-copy h1 {
    margin: 20px 0 16px;
    font-size: 42px;
    font-weight: 600;
    line-height: 1.2;
    color: #fff;
}

.hero-copy > p {
    max-width: 480px;
    margin: 0;
    font-size: 16px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.85);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 32px;
}

.hero-btn {
    height: 48px;
    padding: 0 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 24px;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
}

.hero-btn-primary {
    background: #fff;
    color: var(--primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.hero-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.hero-btn-aliyun {
    background: rgba(255, 255, 255, 0.95);
    color: var(--aliyun);
}

.hero-btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
}

.hero-links {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 24px;
}

.hero-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.hero-links a:hover {
    color: #fff;
}

.hero-points {
    list-style: none;
    margin: 28px 0 0;
    padding: 0;
    display: grid;
    gap: 12px;
}

.hero-points li {
    position: relative;
    padding-left: 20px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
    line-height: 1.5;
}

.hero-points li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #7FFF00;
    font-weight: 600;
}

.hero-visual {
    display: flex;
    justify-content: flex-end;
}

.hero-console {
    position: relative;
    width: 100%;
    max-width: 520px;
    padding: 24px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.hero-console-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
}

.hero-console-badge {
    height: 28px;
    padding: 0 12px;
    display: inline-flex;
    align-items: center;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    font-size: 13px;
    font-weight: 500;
}

.hero-console-time {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
}

.hero-illustration {
    display: block;
    width: 100%;
    height: 240px;
    object-fit: contain;
}

.hero-console-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.hero-console-metric {
    padding: 16px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    text-align: center;
}

.hero-console-metric span {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    font-size: 12px;
    margin-bottom: 6px;
}

.hero-console-metric strong {
    display: block;
    color: #fff;
    font-size: 24px;
    font-weight: 600;
    line-height: 1;
}

.hero-console-status-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 12px;
}

.hero-console-status {
    padding: 14px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-console-status span {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    font-size: 12px;
    margin-bottom: 4px;
}

.hero-console-status strong {
    display: block;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
}

/* ========== 主体内容 ========== */
.main {
    padding: 32px 0 48px;
}

.platform-hub {
    margin-top: -48px;
    position: relative;
    z-index: 2;
}

/* ========== 平台选择卡片 ========== */
.platform-selector {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.platform-card {
    appearance: none;
    border: 1px solid var(--border);
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
}

.platform-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.platform-card.active {
    border-color: var(--primary);
    box-shadow: 0 4px 20px rgba(0, 110, 255, 0.12);
}

.platform-card.aliyun:hover,
.platform-card.aliyun.active {
    border-color: var(--aliyun);
}

.platform-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

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

.platform-badge {
    height: 24px;
    padding: 0 10px;
    display: inline-flex;
    align-items: center;
    border-radius: 12px;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 12px;
    font-weight: 500;
}

.platform-card.aliyun .platform-badge {
    background: var(--aliyun-soft);
    color: var(--aliyun);
}

.platform-badge-brand {
    background: var(--gray-50);
    color: var(--gray-600);
}

.platform-status-inline {
    display: inline-flex;
    align-items: center;
    height: 24px;
    color: var(--gray-400);
    font-size: 12px;
    font-weight: 500;
}

.platform-card-main {
    margin-top: 16px;
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 16px;
    align-items: center;
}

.platform-icon-shell {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: var(--primary-soft);
    overflow: hidden;
}

.platform-card.aliyun .platform-icon-shell {
    background: var(--aliyun-soft);
}

.platform-icon-shell img {
    width: 32px;
    height: 32px;
    display: block;
    object-fit: contain;
}

.platform-copy h3 {
    margin: 0 0 4px;
    font-size: 17px;
    font-weight: 600;
    line-height: 1.3;
    color: var(--gray-900);
}

.platform-copy p {
    margin: 0;
    font-size: 13px;
    line-height: 1.5;
    color: var(--gray-400);
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.platform-metrics {
    margin-top: 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.platform-metric {
    height: 28px;
    padding: 0 10px;
    border-radius: 14px;
    background: var(--gray-50);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.platform-metric strong {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-900);
}

.platform-metric span {
    color: var(--gray-400);
    font-size: 12px;
}

/* ========== 标签内容 ========== */
.tab-content {
    display: none;
    margin-top: 24px;
}

.tab-content.active {
    display: block;
}

/* ========== 页面头部 ========== */
.page-header {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border);
}

.page-header.page-header-tencent {
    background: linear-gradient(135deg, rgba(0, 110, 255, 0.03) 0%, #fff 100%);
    border-left: 3px solid var(--primary);
}

.page-header.page-header-aliyun {
    background: linear-gradient(135deg, rgba(255, 106, 0, 0.03) 0%, #fff 100%);
    border-left: 3px solid var(--aliyun);
}

.page-header-left .section-eyebrow {
    background: var(--primary-soft);
    border-color: transparent;
    color: var(--primary);
}

.page-header-aliyun .section-eyebrow {
    background: var(--aliyun-soft);
    color: var(--aliyun);
}

.section-eyebrow {
    display: inline-flex;
    align-items: center;
    height: 26px;
    padding: 0 12px;
    border-radius: 13px;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 12px;
    font-weight: 500;
}

.page-header-left h2 {
    margin: 12px 0 8px;
    font-size: 26px;
    font-weight: 600;
    line-height: 1.3;
    color: var(--gray-900);
}

.page-header-left p {
    margin: 0;
    font-size: 14px;
    line-height: 1.6;
    color: var(--gray-400);
}

.page-header-right {
    display: flex;
    gap: 12px;
}

.page-header-stat {
    min-width: 100px;
    padding: 16px 20px;
    border-radius: var(--radius-md);
    background: var(--gray-50);
    border: 1px solid var(--border);
}

.page-header-stat .value {
    display: block;
    font-size: 22px;
    line-height: 1.2;
    font-weight: 600;
    color: var(--gray-900);
}

.page-header-stat .label {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    color: var(--gray-400);
}

/* ========== 内容区块 ========== */
.section {
    background: #fff;
    border-radius: var(--radius-lg);
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 24px;
    background: var(--gray-50);
    border-bottom: 1px solid var(--border);
}

.section-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--gray-800);
}

.section-badge {
    height: 26px;
    padding: 0 10px;
    display: inline-flex;
    align-items: center;
    border-radius: 13px;
    background: var(--gray-100);
    color: var(--gray-500);
    font-size: 12px;
    font-weight: 500;
}

/* ========== 活动信息网格 ========== */
.info-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
}

.info-item {
    padding: 20px 24px;
    border-right: 1px solid var(--border);
}

.info-item:last-child {
    border-right: 0;
}

.info-item label {
    display: block;
    margin-bottom: 8px;
    font-size: 12px;
    color: var(--gray-400);
}

.info-item .value {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-800);
}

.status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 28px;
    padding: 0 12px;
    border-radius: 14px;
    font-size: 13px;
    font-weight: 500;
}

.status::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

.status.not-started {
    background: rgba(255, 156, 25, 0.1);
    color: var(--warning);
}

.status.active {
    background: rgba(0, 181, 120, 0.1);
    color: var(--success);
}

.status.ended {
    background: var(--gray-100);
    color: var(--gray-400);
}

.countdown {
    font-family: "SF Mono", Consolas, "Courier New", monospace;
    font-size: 14px;
    font-weight: 600;
    color: var(--danger);
}

.countdown-digit {
    display: inline-flex;
    min-width: 26px;
    height: 26px;
    align-items: center;
    justify-content: center;
    margin-right: 2px;
    border-radius: 6px;
    background: var(--gray-900);
    color: #fff;
    font-size: 13px;
}

.countdown-separator {
    margin: 0 2px;
    color: var(--gray-300);
}

/* ========== 重点推荐卡片 ========== */
.hot-section .section-header {
    background: linear-gradient(90deg, rgba(255, 248, 240, 0.8) 0%, rgba(255, 252, 248, 0.8) 100%);
}

.hot-promo-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    padding: 20px;
}

.hot-promo-card {
    border-radius: var(--radius-lg);
    padding: 24px;
    border: 1px solid var(--border);
    background: #fff;
    transition: var(--transition);
}

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

.hot-promo-card.highlight {
    border-color: rgba(227, 77, 89, 0.2);
    background: linear-gradient(180deg, #FFF8F8 0%, #fff 100%);
}

.hot-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.hot-tag {
    height: 26px;
    padding: 0 10px;
    display: inline-flex;
    align-items: center;
    border-radius: 13px;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 12px;
    font-weight: 500;
}

.hot-promo-card.highlight .hot-tag {
    background: rgba(227, 77, 89, 0.1);
    color: var(--danger);
}

.card-ribbon {
    height: 26px;
    padding: 0 10px;
    display: inline-flex;
    align-items: center;
    border-radius: 13px;
    background: var(--aliyun-soft);
    color: var(--aliyun);
    font-size: 12px;
    font-weight: 500;
}

.hot-promo-card h3 {
    margin: 16px 0 12px;
    font-size: 20px;
    font-weight: 600;
    line-height: 1.3;
    color: var(--gray-900);
}

.hot-config {
    margin-bottom: 16px;
    font-size: 13px;
    line-height: 1.6;
    color: var(--gray-500);
}

.hot-regions {
    font-size: 12px;
    color: var(--gray-400);
}

.hot-price-row {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.hot-price {
    font-size: 36px;
    font-weight: 700;
    line-height: 1;
    color: var(--primary);
}

.hot-promo-card.highlight .hot-price {
    color: var(--danger);
}

.hot-period {
    font-size: 13px;
    color: var(--gray-400);
}

.hot-original,
.hot-duration {
    margin-top: 8px;
    font-size: 12px;
    line-height: 1.5;
    color: var(--gray-400);
}

.hot-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 16px;
}

.hot-badge {
    height: 24px;
    padding: 0 8px;
    display: inline-flex;
    align-items: center;
    border-radius: 12px;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 11px;
    font-weight: 500;
}

.hot-promo-card.highlight .hot-badge {
    background: rgba(227, 77, 89, 0.08);
    color: var(--danger);
}

.hot-btn,
.btn {
    height: 44px;
    border-radius: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    border: 0;
    cursor: pointer;
}

.hot-btn {
    width: 100%;
    margin-top: 20px;
    background: var(--primary);
    color: #fff;
}

.hot-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 110, 255, 0.2);
}

.hot-btn.highlight-btn {
    background: var(--danger);
}

.hot-btn.highlight-btn:hover {
    background: #D03544;
}

/* ========== 表格 ========== */
.table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

table {
    width: 100%;
    min-width: 900px;
    border-collapse: collapse;
    font-size: 13px;
}

thead {
    background: var(--gray-50);
}

th,
td {
    padding: 14px 16px;
    text-align: left;
    white-space: nowrap;
}

th {
    color: var(--gray-500);
    font-size: 12px;
    font-weight: 600;
    border-bottom: 1px solid var(--border);
}

td {
    color: var(--gray-700);
    border-bottom: 1px solid var(--border);
}

tbody tr:hover {
    background: rgba(0, 110, 255, 0.02);
}

tbody tr:last-child td {
    border-bottom: 0;
}

.price-original {
    color: var(--gray-300);
    text-decoration: line-through;
}

.price-discount {
    color: var(--danger);
    font-weight: 600;
}

/* ========== 按钮组 ========== */
.btn-group {
    padding: 12px 0 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.btn {
    padding: 0 24px;
    background: var(--primary);
    color: #fff;
}

.btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 110, 255, 0.2);
}

.btn-outline {
    background: #fff;
    color: var(--primary);
    border: 1px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: #fff;
}

.btn-aliyun {
    background: var(--aliyun);
}

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

/* ========== 产品卡片网格 ========== */
.promo-grid {
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}

.promo-card {
    border-radius: var(--radius-md);
    padding: 20px;
    background: #fff;
    border: 1px solid var(--border);
    transition: var(--transition);
}

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

.promo-card h3 {
    margin: 0 0 10px;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.4;
    color: var(--gray-900);
}

.promo-card .config {
    margin: 0 0 14px;
    font-size: 12px;
    line-height: 1.5;
    color: var(--gray-400);
}

.promo-card .price-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 14px;
}

.promo-card .price-discount {
    font-size: 22px;
    font-weight: 700;
}

.promo-card .discount-tag {
    height: 24px;
    padding: 0 8px;
    display: inline-flex;
    align-items: center;
    border-radius: 12px;
    background: rgba(227, 77, 89, 0.1);
    color: var(--danger);
    font-size: 12px;
    font-weight: 500;
}

.purchase-link {
    color: var(--primary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
}

.purchase-link:hover {
    color: var(--primary-hover);
}

/* ========== 刷新指示器 ========== */
.refresh-indicator {
    margin-top: 16px;
    background: #fff;
    border-radius: var(--radius-md);
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--gray-400);
    font-size: 13px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border);
}

.refresh-indicator .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse 2s infinite;
}

/* ========== 页脚 ========== */
.footer {
    margin-top: 40px;
    background: var(--gray-900);
    color: var(--gray-400);
}

.footer-inner {
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 24px 0;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--gray-300);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: #fff;
}

.footer-divider {
    width: 1px;
    height: 14px;
    background: var(--gray-700);
}

.footer p {
    margin: 0;
    font-size: 12px;
}

/* ========== 回到顶部按钮 ========== */
.back-to-top {
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 22px;
    background: #fff;
    color: var(--gray-600);
    box-shadow: var(--shadow-md);
    cursor: pointer;
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    color: var(--primary);
    box-shadow: var(--shadow-lg);
}

/* ========== 新用户弹窗 ========== */
.new-user-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.new-user-modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.new-user-modal {
    background: #fff;
    border-radius: var(--radius-xl);
    padding: 36px 32px 28px;
    max-width: 420px;
    width: calc(100% - 40px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    text-align: center;
    transform: scale(0.95);
    transition: transform 0.3s var(--ease-out);
}

.new-user-modal-overlay.show .new-user-modal {
    transform: scale(1);
}

.new-user-modal-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: var(--aliyun-soft);
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.new-user-modal-icon svg {
    width: 28px;
    height: 28px;
    color: var(--aliyun);
}

.new-user-modal h3 {
    margin: 0 0 12px;
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
}

.new-user-modal p {
    margin: 0 0 24px;
    font-size: 14px;
    line-height: 1.7;
    color: var(--gray-500);
}

.new-user-modal-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.new-user-modal-btn {
    height: 44px;
    padding: 0 28px;
    border-radius: 22px;
    border: 0;
    background: var(--aliyun);
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.new-user-modal-btn:hover {
    background: var(--aliyun-hover);
    transform: translateY(-2px);
}

.new-user-modal-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.new-user-modal-countdown {
    font-size: 13px;
    color: var(--gray-400);
}

/* ========== 响应式设计 ========== */
@media (max-width: 1200px) {
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-visual {
        justify-content: center;
    }

    .hero-console {
        max-width: 100%;
    }

    .page-header {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 1024px) {
    .platform-selector,
    .hot-promo-grid {
        grid-template-columns: 1fr;
    }

    .page-header-right {
        width: 100%;
        display: grid;
        grid-template-columns: repeat(3, 1fr);
    }

    .info-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .info-item:nth-child(3) {
        border-right: 0;
    }

    .info-item:nth-child(4),
    .info-item:nth-child(5) {
        border-top: 1px solid var(--border);
    }
}

@media (max-width: 768px) {
    .header-inner,
    .hero-inner,
    .main,
    .footer-inner {
        width: min(100% - 32px, 1200px);
    }

    .header-inner {
        min-height: auto;
        padding: 12px 0;
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .header-right {
        width: 100%;
        justify-content: space-between;
    }

    .hero-band {
        padding: 40px 0 60px;
    }

    .hero-copy h1 {
        font-size: 32px;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-btn {
        width: 100%;
    }

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

    .platform-hub {
        margin-top: -32px;
    }

    .page-header,
    .section {
        border-radius: var(--radius-md);
    }

    .page-header,
    .section-header,
    .promo-grid,
    .hot-promo-grid {
        padding-left: 20px;
        padding-right: 20px;
    }

    .page-header-right {
        width: 100%;
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }

    .page-header-stat {
        min-width: 0;
    }

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

    .info-item:nth-child(2) {
        border-right: 0;
    }

    .info-item:nth-child(3),
    .info-item:nth-child(4),
    .info-item:nth-child(5) {
        border-top: 1px solid var(--border);
        border-right: 0;
    }

    .info-item:nth-child(3) {
        border-right: 1px solid var(--border);
    }

    .btn-group {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

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

    .footer-inner {
        min-height: auto;
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
}

@media (max-width: 640px) {
    .header-inner,
    .hero-inner,
    .main,
    .footer-inner {
        width: min(100% - 24px, 1200px);
    }

    .hero-copy h1 {
        font-size: 28px;
    }

    .hero-console-metrics,
    .hero-console-status-list {
        grid-template-columns: repeat(2, 1fr);
    }

    .page-header-right {
        grid-template-columns: 1fr;
    }

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

    .info-item {
        border-right: 0 !important;
        border-top: 1px solid var(--border) !important;
    }

    .info-item:first-child {
        border-top: 0 !important;
    }

    .hot-price {
        font-size: 32px;
    }

    .back-to-top {
        right: 16px;
        bottom: 16px;
    }
}

@media (max-width: 480px) {
    .header-inner,
    .hero-inner,
    .main,
    .footer-inner {
        width: min(100% - 20px, 1200px);
    }

    .hero-copy h1 {
        font-size: 24px;
    }

    .hero-copy > p {
        font-size: 14px;
    }

    .hot-price {
        font-size: 28px;
    }

    th,
    td {
        padding: 12px 14px;
    }
}