/* ════════════════════════════════════════════════════
   BigSea API — 客户面板样式 (v5 现代毛玻璃)
   ════════════════════════════════════════════════════ */

/* ─── 面板侧栏 ─── */
.panel-sidebar {
    background: rgba(255, 255, 255, .48) !important;
    backdrop-filter: blur(48px) saturate(1.5) !important;
    -webkit-backdrop-filter: blur(48px) saturate(1.5) !important;
    border-right: 1px solid rgba(255,255,255,.55) !important;
    box-shadow: 1px 0 20px rgba(0,0,0,.03) !important;
}
.panel-sidebar .sidebar-header {
    padding: 28px 20px 20px;
    text-align: center;
}
.panel-sidebar .sidebar-header h2 {
    font-size: 1.15rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), #0ea5e9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: .2px;
}
.user-badge {
    display: inline-block;
    margin-top: 8px;
    padding: 4px 16px;
    background: linear-gradient(135deg, var(--accent), #818cf8);
    border-radius: 20px;
    font-size: .72rem;
    color: #fff;
    font-weight: 600;
    letter-spacing: .3px;
    box-shadow: 0 2px 8px rgba(99,102,241,.2);
}

/* 导航链接 */
.panel-sidebar .nav-links { padding: 12px 8px; }
.panel-sidebar .nav-links li { list-style: none; }
.panel-sidebar .nav-links li a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    margin: 2px 0;
    border-radius: 10px;
    font-size: .86rem;
    color: var(--text-secondary);
    transition: all var(--transition);
    font-weight: 500;
    text-decoration: none;
    border-left: 3px solid transparent;
}
.panel-sidebar .nav-links li a:hover {
    background: var(--accent-light);
    color: var(--accent);
    transform: translateX(2px);
}
.panel-sidebar .nav-links li a.active {
    background: var(--accent-light);
    color: var(--accent);
    font-weight: 600;
    border-left-color: var(--accent);
    box-shadow: 0 0 0 1px rgba(99,102,241,.08);
}

/* 余额显示 */
.balance-display {
    text-align: center;
    background: rgba(255,255,255,.45);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,.55);
    border-radius: 12px;
    padding: 16px 16px;
    margin: 0 10px;
    transition: all var(--transition);
}
.balance-display:hover { box-shadow: var(--shadow); }
.balance-label {
    font-size: .72rem;
    color: var(--text-muted);
    display: block;
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}
.balance-value {
    font-size: 1.3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), #0ea5e9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ─── Toast 容器 ─── */
#toast-container {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 380px;
}
#toast-container .flash {
    animation: toastIn .3s cubic-bezier(.4, 0, .2, 1);
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-sm);
    backdrop-filter: blur(12px);
}
@keyframes toastIn {
    from { opacity: 0; transform: translateY(-16px) scale(.95); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ─── 页面标题 ─── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
    flex-wrap: wrap;
    gap: 12px;
}
.page-header h1 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -.02em;
}

/* ─── 统计卡片 ─── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px;
    margin-bottom: 24px;
}
.stat-card {
    background: rgba(255,255,255,.60);
    backdrop-filter: blur(24px) saturate(1.3);
    -webkit-backdrop-filter: blur(24px) saturate(1.3);
    border: 1px solid rgba(255,255,255,.55);
    border-radius: var(--radius);
    padding: 22px 20px;
    position: relative;
    overflow: hidden;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
}
.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--border);
    border-radius: 16px 16px 0 0;
    transition: background var(--transition);
}
.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.stat-card.stat-info::before    { background: linear-gradient(90deg, #0ea5e9, #38bdf8); }
.stat-card.stat-success::before { background: linear-gradient(90deg, #10b981, #34d399); }
.stat-card.stat-warning::before { background: linear-gradient(90deg, #f59e0b, #fbbf24); }
.stat-card.stat-primary::before { background: linear-gradient(90deg, var(--accent), #818cf8); }

.stat-icon {
    font-size: 1.6rem;
    margin-bottom: 10px;
    display: inline-block;
}
.stat-value {
    font-size: 1.65rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 4px;
    letter-spacing: -.02em;
}
.stat-label {
    font-size: .76rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .3px;
}

/* ─── 模型广场 ─── */
.model-section { margin-bottom: 36px; }
.model-group-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}
.model-group-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}
.model-group-icon.anthropic { background: rgba(245, 158, 11, .08); }
.model-group-icon.openai    { background: rgba(16, 185, 129, .08); }
.model-group-icon.google    { background: rgba(14, 165, 233, .08); }
.model-group-name {
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}
.model-group-count {
    font-size: .72rem;
    color: var(--text-muted);
    background: var(--bg-input);
    padding: 2px 9px;
    border-radius: 10px;
    font-weight: 600;
}

.model-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 14px;
    margin-bottom: 8px;
}

.model-card {
    background: rgba(255,255,255,.58);
    backdrop-filter: blur(20px) saturate(1.2);
    -webkit-backdrop-filter: blur(20px) saturate(1.2);
    border: 1px solid rgba(255,255,255,.55);
    border-radius: var(--radius);
    padding: 20px;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
}
.model-card:hover {
    border-color: rgba(99,102,241,.20);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.model-free { border-color: rgba(16, 185, 129, .15); }
.model-free:hover {
    border-color: rgba(16, 185, 129, .35);
    box-shadow: var(--shadow-md);
}

.model-card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}
.model-icon-wrap {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}
.model-icon-wrap.anthropic { background: rgba(245,158,11,.07); border: 1px solid rgba(245,158,11,.12); }
.model-icon-wrap.openai    { background: rgba(16,185,129,.07); border: 1px solid rgba(16,185,129,.12); }
.model-icon-wrap.google    { background: rgba(14,165,233,.07); border: 1px solid rgba(14,165,233,.12); }

.model-name {
    font-weight: 600;
    font-size: .88rem;
    color: var(--text-primary);
    word-break: break-all;
    line-height: 1.3;
}
.model-card-body { flex: 1; margin-bottom: 16px; }

.model-price {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}
.model-price.free {
    color: var(--success);
    font-size: 1.3rem;
}
.price-unit {
    font-size: .75rem;
    font-weight: 400;
    color: var(--text-muted);
}
.model-price-detail {
    font-size: .84rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.model-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.model-tier {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: .7rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: .5px;
}
.model-tier.free     { background: var(--success-light); color: var(--success); }
.model-tier.standard { background: var(--info-light);    color: var(--info); }
.model-tier.premium  { background: var(--warning-light); color: var(--warning); }

.btn-copy-model {
    padding: 5px 14px;
    font-size: .75rem;
    border-radius: 8px;
    border: 1px solid var(--border-strong);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition);
    font-weight: 500;
}
.btn-copy-model:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-light);
}

/* ─── 代码块 ─── */
.code-block {
    background: #fafbfc;
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    margin-top: 10px;
}
.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 14px;
    background: var(--bg-input);
    border-bottom: 1px solid var(--border);
    font-size: .75rem;
    color: var(--text-muted);
    font-weight: 600;
}
.code-block pre {
    padding: 16px;
    margin: 0;
    font-family: "SF Mono", "JetBrains Mono", "Cascadia Code", Consolas, monospace;
    font-size: .82rem;
    line-height: 1.65;
    overflow-x: auto;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-break: break-all;
}

/* ─── 提示框 ─── */
.tips-box {
    background: rgba(99, 102, 241, .04);
    border: 1px solid rgba(99, 102, 241, .10);
    border-radius: 12px;
    padding: 16px 20px;
    margin-top: 14px;
}
.tips-box strong { color: var(--accent); }
.tips-list {
    list-style: none;
    padding: 0;
    margin: 10px 0 0;
}
.tips-list li {
    padding: 5px 0;
    font-size: .85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}
.tips-list li::before {
    content: "›";
    color: var(--accent);
    font-weight: 700;
    margin-right: 8px;
}

/* ─── 接入文档区块 ─── */
.doc-section {
    background: rgba(255,255,255,.58);
    backdrop-filter: blur(24px) saturate(1.2);
    -webkit-backdrop-filter: blur(24px) saturate(1.2);
    border: 1px solid rgba(255,255,255,.55);
    border-radius: var(--radius);
    padding: 28px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}
.doc-section:hover {
    border-color: rgba(99,102,241,.12);
    box-shadow: var(--shadow);
}
.doc-section h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
}
.doc-section .doc-desc {
    font-size: .88rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.5;
}
.doc-section h4 {
    font-size: .9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 20px 0 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), #818cf8);
    color: #fff;
    font-size: .72rem;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(99,102,241,.2);
}

/* ─── 模型标签 ─── */
.model-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.tag {
    padding: 5px 12px;
    border-radius: 8px;
    font-size: .78rem;
    font-weight: 500;
    font-family: "SF Mono", "JetBrains Mono", monospace;
}
.tag-success { background: var(--success-light); color: var(--success); border: 1px solid rgba(16,185,129,.12); }
.tag-info    { background: var(--info-light);    color: var(--info);    border: 1px solid rgba(99,102,241,.12); }
.tag-purple  { background: rgba(99,102,241,.06); color: var(--accent);  border: 1px solid rgba(99,102,241,.12); }

/* ─── FAQ ─── */
.faq-item {
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}
.faq-item:last-child { border-bottom: none; }
.faq-item h4 {
    font-size: .9rem;
    margin-bottom: 8px;
    color: var(--accent);
    font-weight: 600;
}
.faq-item p {
    font-size: .85rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

/* ─── API Info Grid ─── */
.api-info-grid {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 12px 16px;
    align-items: center;
    font-size: .88rem;
}
.api-info-label {
    color: var(--text-muted);
    font-weight: 600;
    white-space: nowrap;
}
.api-info-value {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}
.api-info-value code {
    background: var(--bg-input);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: .82rem;
    font-family: "SF Mono", "JetBrains Mono", monospace;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ─── Tab 切换 ─── */
.doc-tabs {
    display: flex;
    gap: 4px;
    padding: 4px;
    background: var(--bg-input);
    border-radius: 10px;
    margin-bottom: 14px;
    width: fit-content;
}
.doc-tab {
    padding: 6px 16px;
    border-radius: 8px;
    font-size: .8rem;
    font-weight: 500;
    cursor: pointer;
    color: var(--text-muted);
    transition: all var(--transition);
    border: none;
    background: transparent;
}
.doc-tab.active {
    background: #fff;
    color: var(--accent);
    box-shadow: var(--shadow-sm);
    font-weight: 600;
}
.doc-tab:hover:not(.active) { color: var(--text-secondary); }
.doc-tab-content { display: none; }
.doc-tab-content.active { display: block; }

/* ─── 登录页 ─── */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99,102,241,.08) 0%, transparent 70%),
        radial-gradient(ellipse 60% 40% at 80% 100%, rgba(14,165,233,.06) 0%, transparent 60%),
        linear-gradient(135deg, #e8edf5 0%, #f0f2f5 40%, #eef6f0 100%);
}
.login-card {
    background: rgba(255, 255, 255, .55);
    backdrop-filter: blur(48px) saturate(1.5);
    -webkit-backdrop-filter: blur(48px) saturate(1.5);
    border: 1px solid rgba(255,255,255,.6);
    border-radius: 24px;
    padding: 48px 40px;
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 1;
    box-shadow: 0 8px 40px rgba(0,0,0,.08);
}
.login-header {
    text-align: center;
    margin-bottom: 32px;
}
.login-header h1 {
    font-size: 1.6rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), #0ea5e9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 6px;
}
.login-header p { color: var(--text-muted); font-size: .88rem; }

/* ─── Card Flex Header ─── */
.card-header-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
}
.card-header-flex h3 { margin: 0; }

/* ─── 充值页 ─── */
.topup-input-group {
    display: flex;
    gap: 10px;
    align-items: stretch;
}
.topup-input-group input {
    flex: 1;
    font-family: "SF Mono", "JetBrains Mono", monospace;
    letter-spacing: 1px;
}

/* ─── 倍率标签 ─── */
.multiplier-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: .68rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 6px;
    line-height: 1.3;
    font-family: "SF Mono", "JetBrains Mono", monospace;
    flex-shrink: 0;
    margin-left: auto;
}
.mx-0x   { background: rgba(142,142,160,.08); color: #8e8ea0; border: 1px solid rgba(142,142,160,.12); }
.mx-033x { background: var(--success-light);   color: var(--success); border: 1px solid rgba(16,185,129,.12); }
.mx-05x  { background: var(--success-light);   color: var(--success); border: 1px solid rgba(16,185,129,.12); }
.mx-1x   { background: var(--info-light);      color: var(--info);    border: 1px solid rgba(14,165,233,.12); }
.mx-15x  { background: rgba(99,102,241,.06);   color: var(--accent);  border: 1px solid rgba(99,102,241,.12); }
.mx-2x   { background: var(--warning-light);   color: var(--warning); border: 1px solid rgba(245,158,11,.12); }
.mx-3x   { background: var(--danger-light);    color: var(--danger);  border: 1px solid rgba(239,68,68,.12); }
.mx-75x  { background: rgba(168,85,247,.10);   color: #9333ea;        border: 1px solid rgba(168,85,247,.20); }
.mx-01x  { background: rgba(142,142,160,.08);  color: #8e8ea0;        border: 1px solid rgba(142,142,160,.12); }

/* ─── HOT 角标 ─── */
.hot-card { border-color: rgba(239,68,68,.18) !important; }
.hot-card:hover { border-color: rgba(239,68,68,.35) !important; box-shadow: 0 8px 24px rgba(239,68,68,.10) !important; }
.hot-badge {
    position: absolute;
    top: -1px;
    right: -1px;
    background: linear-gradient(135deg, #f43f5e, #ef4444);
    color: #fff;
    font-size: .62rem;
    font-weight: 800;
    padding: 3px 10px 3px 8px;
    border-radius: 0 14px 0 10px;
    letter-spacing: .5px;
    line-height: 1.3;
    z-index: 2;
    box-shadow: 0 2px 8px rgba(239,68,68,.25);
}

/* ─── 官方横幅 ─── */
.official-banner {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    background: rgba(255,255,255,.55);
    backdrop-filter: blur(24px) saturate(1.2);
    -webkit-backdrop-filter: blur(24px) saturate(1.2);
    border: 1px solid rgba(99,102,241,.10);
    border-radius: var(--radius);
    padding: 20px 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}
.official-banner:hover { box-shadow: var(--shadow); }
.official-banner-icon {
    font-size: 1.8rem;
    flex-shrink: 0;
    margin-top: 2px;
}
.official-banner-content strong {
    font-size: .95rem;
    color: var(--text-primary);
    display: block;
    margin-bottom: 6px;
    font-weight: 700;
}
.official-banner-content p {
    font-size: .84rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

/* ─── 倍率图例 ─── */
.multiplier-legend {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    font-size: .82rem;
    color: var(--text-muted);
    margin-bottom: 28px;
    padding: 12px 16px;
    background: rgba(255,255,255,.50);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,.55);
    border-radius: var(--radius-sm);
}
.legend-title {
    font-weight: 700;
    color: var(--text-secondary);
    margin-right: 4px;
}

/* ─── 下载页 ─── */
.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}
.download-card {
    background: rgba(255,255,255,.58);
    backdrop-filter: blur(20px) saturate(1.2);
    -webkit-backdrop-filter: blur(20px) saturate(1.2);
    border: 1px solid rgba(255,255,255,.55);
    border-radius: var(--radius);
    padding: 24px;
    display: flex;
    flex-direction: column;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
}
.download-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.download-active { border-color: rgba(16,185,129,.2); }
.download-active:hover { border-color: rgba(16,185,129,.35); }
.download-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
}
.download-version-info { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.download-version {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-primary);
    font-family: "SF Mono", "JetBrains Mono", monospace;
}
.download-platform { font-size: .82rem; color: var(--text-muted); font-weight: 600; }
.download-card-body { flex: 1; margin-bottom: 16px; }
.download-changelog {
    background: var(--bg-input);
    border-radius: 8px;
    padding: 12px 14px;
    margin-bottom: 12px;
    font-size: .84rem;
    line-height: 1.6;
}
.download-changelog strong { font-size: .78rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px; font-weight: 700; }
.download-changelog p { margin: 6px 0 0; color: var(--text-secondary); white-space: pre-line; }
.download-meta {
    display: flex;
    gap: 16px;
    font-size: .78rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}
.download-card-footer {
    display: flex;
    gap: 10px;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}
.download-btn {
    flex: 1;
    text-align: center;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: .88rem;
    text-decoration: none;
    transition: all var(--transition);
}
.download-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

/* ─── 图表区域 ─── */
.chart-container {
    position: relative;
    height: 280px;
    margin-bottom: 16px;
}
.chart-range-selector {
    display: flex;
    gap: 4px;
    padding: 3px;
    background: var(--bg-input);
    border-radius: 8px;
    width: fit-content;
}
.chart-range-btn {
    padding: 5px 14px;
    border: none;
    border-radius: 6px;
    font-size: .78rem;
    font-weight: 500;
    color: var(--text-muted);
    background: transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}
.chart-range-btn.active {
    background: #fff;
    color: var(--accent);
    box-shadow: var(--shadow-sm);
    font-weight: 600;
}
.chart-range-btn:hover:not(.active) { color: var(--text-secondary); }

/* ─── 响应式 ─── */
@media (max-width: 768px) {
    .model-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .doc-section { padding: 20px; }
    .download-grid { grid-template-columns: 1fr; }
    .official-banner { flex-direction: column; gap: 10px; }
    .chart-container { height: 220px; }
}
@media (max-width: 480px) {
    .model-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; }
    .login-card { padding: 32px 24px; }
    .download-grid { grid-template-columns: 1fr; }
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   短信验证码输入组
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.text-required { color: var(--danger); font-weight: 600; }

.sms-input-wrap {
    display: flex;
    gap: 10px;
    align-items: stretch;
}
.sms-input-wrap input { flex: 1; }
.btn-sms {
    white-space: nowrap;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--accent), #818cf8);
    color: #fff;
    border: none;
    font-size: .85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    min-width: 110px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(99,102,241,.2);
}
.btn-sms:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--accent-hover), #6366f1);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99,102,241,.3);
}
.btn-sms:disabled { opacity: .5; cursor: not-allowed; background: #d1d5db; color: #8e8ea0; box-shadow: none; }

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   充值金额选择
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.topup-amounts {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 12px;
}
.topup-amount-btn {
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    border: 1.5px solid var(--border-strong);
    background: #fff;
    color: var(--text-primary);
    font-size: .95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    min-width: 72px;
    text-align: center;
}
.topup-amount-btn:hover {
    border-color: var(--accent);
    background: var(--accent-light);
    color: var(--accent);
}
.topup-amount-btn.active {
    border-color: var(--accent);
    background: var(--accent-light);
    color: var(--accent);
    box-shadow: 0 0 0 2px rgba(99,102,241,.12);
}
.topup-custom-wrap {
    flex: 1;
    min-width: 100px;
}
.topup-custom-wrap input {
    width: 100%;
    padding: 12px;
    font-size: .95rem;
    border: 1.5px solid var(--border-strong);
    border-radius: var(--radius-sm);
    background: #fff;
    color: var(--text-primary);
    transition: all var(--transition);
}
.topup-custom-wrap input:focus {
    border-color: var(--accent);
    outline: none;
    box-shadow: 0 0 0 3px rgba(99,102,241,.12);
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   支付方式选择
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.pay-methods { display: flex; gap: 12px; }
.pay-method-label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: 1.5px solid var(--border-strong);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    background: #fff;
    color: var(--text-primary);
    font-weight: 500;
}
.pay-method-label:hover { border-color: var(--accent); }
.pay-method-label.active {
    border-color: var(--accent);
    background: var(--accent-light);
    color: var(--accent);
}
.pay-method-icon { font-size: 1.2rem; }

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   支付弹窗
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.pay-modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(15,23,42,.15);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}
.pay-modal-content {
    background: rgba(255,255,255,.80);
    backdrop-filter: blur(48px) saturate(1.4);
    -webkit-backdrop-filter: blur(48px) saturate(1.4);
    border: 1px solid rgba(255,255,255,.6);
    border-radius: 20px;
    padding: 32px;
    max-width: 400px;
    width: 90%;
    box-shadow: var(--shadow-lg);
    animation: modalIn .25s ease-out;
}
@keyframes modalIn {
    from { opacity: 0; transform: scale(.96) translateY(8px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}
.pay-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}
.pay-modal-header h3 { margin: 0; color: var(--text-primary); font-weight: 700; }
.pay-modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
    border-radius: 8px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}
.pay-modal-close:hover { color: var(--text-primary); background: var(--bg-input); }
.pay-modal-body { text-align: center; }
.pay-modal-info { margin-top: 16px; color: var(--text-secondary); }
.pay-modal-info strong { color: var(--accent); font-size: 1.1rem; }

.pay-status-checking { color: var(--warning); margin-top: 12px; font-size: .88rem; }
.pay-status-success  { color: var(--success); margin-top: 12px; font-size: .95rem; font-weight: 600; }
.pay-status-timeout  { color: var(--danger);  margin-top: 12px; font-size: .88rem; }

/* ─── 警告框 ─── */
.warning-box {
    background: var(--warning-light);
    border: 1px solid rgba(245,158,11,.12);
    border-radius: 12px;
    padding: 14px 18px;
    margin-top: 14px;
    font-size: .85rem;
    color: var(--text-secondary);
}
.warning-box strong { color: var(--warning); }

/* ─── Marketplace 工具栏 ─── */
.mp-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.mp-search {
    flex: 1;
    min-width: 200px;
    padding: 9px 14px 9px 36px;
    border: 1.5px solid var(--border-strong);
    border-radius: var(--radius-sm);
    background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'%3E%3C/circle%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'%3E%3C/line%3E%3C/svg%3E") no-repeat 12px center;
    font-size: .86rem;
    color: var(--text-primary);
    transition: all var(--transition);
}
.mp-search:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(99,102,241,.12);
}
.mp-filter-btn {
    padding: 8px 16px;
    border: 1.5px solid var(--border-strong);
    border-radius: var(--radius-sm);
    background: #fff;
    font-size: .82rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition);
}
.mp-filter-btn:hover, .mp-filter-btn.active {
    border-color: var(--accent);
    background: var(--accent-light);
    color: var(--accent);
}