/* ==========================================================================
   现代简约设计系统 · 前台
   参考 shadcn/ui / Pico.css / Linear 设计语言
   ========================================================================== */
:root {
    --bg: #f6f7f9;
    --surface: #ffffff;
    --ink: #0f172a;
    --ink-2: #5b6472;
    --ink-3: #9aa1ad;
    --border: #e6e8ee;
    --border-strong: #d5d9e2;
    --accent: #4f46e5;
    --accent-hover: #4338ca;
    --accent-soft: #eef2ff;
    --success: #16a34a;
    --success-soft: #ecfdf3;
    --warning: #d97706;
    --warning-soft: #fffbeb;
    --danger: #dc2626;
    --danger-soft: #fef2f2;
    --info: #2563eb;
    --info-soft: #eff6ff;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
    --shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 12px 32px -16px rgba(15, 23, 42, 0.14);
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); font-size: 15px; line-height: 1.65; color: var(--ink); background: var(--bg); -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; transition: color .15s; }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; display: block; }
.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 760px; }
.muted { color: var(--ink-2); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.text-danger { color: var(--danger); }
.link { font-weight: 500; }
.link:hover { text-decoration: underline; }
.divider { height: 1px; background: var(--border); margin: 24px 0; border: 0; }
.grad-text { color: var(--accent); font-weight: 700; }

/* 顶部导航 */
.navbar { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.86); backdrop-filter: saturate(180%) blur(10px); -webkit-backdrop-filter: saturate(180%) blur(10px); border-bottom: 1px solid var(--border); }
.navbar-inner { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 8px; }
.brand-name { font-size: 18px; font-weight: 700; letter-spacing: -.01em; color: var(--ink); }
.brand-logo { width: 28px; height: 28px; border-radius: 8px; object-fit: cover; }
.nav-links { display: flex; align-items: center; gap: 4px; flex: 1; }
.nav-link { padding: 7px 14px; border-radius: 8px; color: var(--ink-2); font-size: 14px; font-weight: 500; transition: all .15s; }
.nav-link:hover { color: var(--ink); background: rgba(15,23,42,0.04); }
.nav-link.active { color: var(--ink); background: rgba(15,23,42,0.06); font-weight: 600; }
.nav-auth { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.user-chip { display: flex; align-items: center; gap: 10px; padding: 5px 12px 5px 6px; background: var(--surface); border: 1px solid var(--border); border-radius: 999px; font-size: 13px; }
.user-avatar { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 700; font-size: 13px; }
.user-balance { color: var(--ink); font-weight: 600; font-size: 13px; }
.nav-console { display: none; }
.nav-toggle { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 40px; height: 40px; padding: 9px; border: 1px solid var(--border); background: var(--surface); border-radius: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 100%; height: 2px; border-radius: 2px; background: var(--ink); transition: transform .25s, opacity .25s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 按钮 */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 9px 18px; border-radius: 10px; font-size: 14px; font-weight: 600; line-height: 1.4; border: 1px solid transparent; cursor: pointer; white-space: nowrap; transition: all .15s; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: #1e293b; color: #fff; }
.btn-outline { background: var(--surface); color: var(--ink); border-color: var(--border-strong); }
.btn-outline:hover { border-color: var(--ink); }
.btn-ghost { background: transparent; color: var(--ink-2); }
.btn-ghost:hover { background: rgba(15,23,42,0.05); color: var(--ink); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-warning:hover { background: #b45309; color: #fff; }
.btn-sm { padding: 6px 13px; font-size: 13px; border-radius: 8px; }
.btn-lg { padding: 12px 26px; font-size: 15px; border-radius: 12px; }
.btn-block { width: 100%; }

/* 提示条 */
.flash-container { margin-top: 16px; }
.alert { padding: 12px 16px; border-radius: 10px; margin-bottom: 10px; font-size: 14px; border: 1px solid var(--border); background: var(--surface); }
.alert-success { border-color: #bbf7d0; background: var(--success-soft); color: #166534; }
.alert-error { border-color: #fecaca; background: var(--danger-soft); color: #991b1b; }
.alert-info { border-color: #bfdbfe; background: var(--info-soft); color: #1e40af; }
.alert-warning { border-color: #fde68a; background: var(--warning-soft); color: #92400e; }

/* Hero */
.hero { padding: 80px 0 72px; }
.hero-inner { display: flex; align-items: center; gap: 48px; justify-content: space-between; }
.hero-content { flex: 1; min-width: 0; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 5px 12px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-size: 13px; font-weight: 600; margin-bottom: 20px; }
.hero-title { font-size: 48px; line-height: 1.15; font-weight: 800; letter-spacing: -.02em; }
.typing-cursor { color: var(--accent); font-weight: 400; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.hero-subtitle { font-size: 17px; color: var(--ink-2); margin: 18px 0 28px; max-width: 560px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 40px; margin-top: 40px; }
.hero-stat b { display: block; font-size: 26px; font-weight: 800; letter-spacing: -.01em; }
.hero-stat span { font-size: 13px; color: var(--ink-2); }
.hero-media { flex: 1; max-width: 460px; min-width: 0; }
.hero-video { width: 100%; border-radius: var(--radius-lg); border: 1px solid var(--border); background: #0f172a; box-shadow: var(--shadow); }

/* 区块 */
.section { padding: 64px 0; }
.section-alt { background: #fafbfd; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { margin-bottom: 32px; text-align: center; }
.section-title { font-size: 30px; font-weight: 800; letter-spacing: -.02em; }
.section-subtitle { color: var(--ink-2); margin-top: 8px; }
.section-cta { margin-top: 36px; text-align: center; }

/* 卡片 / 网格 */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; box-shadow: var(--shadow-xs); }
.card-head { margin-bottom: 16px; }
.card-head h3 { font-size: 17px; font-weight: 700; }

/* 产品卡片 */
.product-card { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; transition: all .18s; }
.product-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow); transform: translateY(-2px); }
.product-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.product-name { font-size: 17px; font-weight: 700; }
.product-desc { color: var(--ink-2); font-size: 14px; min-height: 44px; }
.product-price { margin: 16px 0; padding: 14px 0; border-top: 1px dashed var(--border); border-bottom: 1px dashed var(--border); }
.price { font-size: 30px; font-weight: 800; letter-spacing: -.02em; color: var(--ink); }
.price-unit { font-size: 14px; color: var(--ink-2); }
.spec-list, .spec-list-lg { list-style: none; margin: 8px 0 20px; }
.spec-list li, .spec-list-lg li { display: flex; align-items: center; gap: 8px; padding: 6px 0; font-size: 14px; color: var(--ink-2); }
.spec-list li::before, .spec-list-lg li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
.spec-list-lg li { font-size: 15px; padding: 8px 0; }

/* 徽章 */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; line-height: 1.6; }
.badge-primary { background: var(--accent-soft); color: var(--accent); }
.badge-hot { background: var(--danger-soft); color: var(--danger); }
.badge-success { background: var(--success-soft); color: #166534; }
.badge-warning { background: var(--warning-soft); color: #92400e; }
.badge-default { background: rgba(15,23,42,0.06); color: var(--ink-2); }
.badge-info { background: var(--info-soft); color: #1e40af; }
.badge-danger { background: var(--danger-soft); color: var(--danger); }

/* 特性卡片 */
.feature-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; transition: all .18s; }
.feature-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-sm); }
.feature-icon { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 12px; background: var(--accent-soft); color: var(--accent); font-size: 22px; margin-bottom: 16px; }
.feature-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.feature-card p { color: var(--ink-2); font-size: 14px; }

/* 页面头 */
.page-hero { padding: 40px 0 8px; }
.page-title { font-size: 30px; font-weight: 800; letter-spacing: -.02em; }
.page-subtitle { color: var(--ink-2); margin-top: 6px; }
.back-link { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; margin-bottom: 12px; color: var(--ink-2); }
.back-link:hover { color: var(--ink); }

/* 筛选 / chip */
.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; align-items: center; padding: 7px 16px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); color: var(--ink-2); font-size: 13px; font-weight: 500; cursor: pointer; transition: all .15s; }
.chip:hover { border-color: var(--border-strong); color: var(--ink); }
.chip.active { background: var(--ink); border-color: var(--ink); color: #fff; }

/* 表单 */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.form-input, .form-select, .form-textarea { width: 100%; padding: 10px 14px; border: 1px solid var(--border-strong); border-radius: 10px; font-size: 14px; font-family: inherit; color: var(--ink); background: var(--surface); transition: all .15s; }
.form-input:focus, .form-select:focus, .form-textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79,70,229,0.12); }
.form-textarea { resize: vertical; min-height: 110px; }

/* 表格 */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); }
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td { padding: 13px 16px; text-align: left; border-bottom: 1px solid var(--border); }
.table th { font-weight: 600; color: var(--ink-2); font-size: 13px; background: #fafbfd; white-space: nowrap; }
.table tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: #fafbfd; }
.empty-state { text-align: center; padding: 48px 20px; color: var(--ink-3); }
.empty-state .feature-icon { background: rgba(15,23,42,0.05); color: var(--ink-3); margin-bottom: 14px; }
.empty-state h3 { color: var(--ink); margin-bottom: 6px; }

/* 产品详情 / 周期选择 */
.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-top: 24px; }
.cycle-select { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 16px 0; }
.cycle-option { cursor: pointer; }
.cycle-option input { display: none; }
.cycle-box { display: flex; flex-direction: column; gap: 2px; padding: 14px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); cursor: pointer; transition: all .15s; }
.cycle-box:hover { border-color: var(--border-strong); }
.cycle-option input:checked + .cycle-box { border-color: var(--accent); background: var(--accent-soft); }
.cycle-price { font-size: 18px; font-weight: 800; }
.cycle-off { font-size: 12px; color: var(--success); }
.order-total { display: flex; align-items: center; justify-content: space-between; padding: 16px; border: 1px solid var(--border); border-radius: var(--radius); background: #fafbfd; margin: 16px 0; }
.order-total b { font-size: 24px; font-weight: 800; letter-spacing: -.01em; }

/* 收银台 */
.checkout-card { max-width: 640px; margin: 24px auto 0; }
.checkout-head { text-align: center; margin-bottom: 20px; }
.checkout-amount { text-align: center; padding: 24px 0; }
.checkout-amount span { display: block; color: var(--ink-2); font-size: 14px; margin-bottom: 4px; }
.checkout-amount b { font-size: 40px; font-weight: 800; letter-spacing: -.02em; }
.checkout-meta { border-top: 1px dashed var(--border); padding-top: 16px; }
.pay-methods { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 16px 0; }
.pay-method { cursor: pointer; }
.pay-method input { display: none; }
.pay-box { display: flex; align-items: center; gap: 12px; padding: 14px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); cursor: pointer; transition: all .15s; }
.pay-box:hover { border-color: var(--border-strong); }
.pay-method input:checked + .pay-box { border-color: var(--accent); background: var(--accent-soft); }
.pay-icon { font-size: 28px; line-height: 1; }
.pay-name { font-weight: 600; }
.mock-qr { text-align: center; padding: 20px 0; }
.qr-placeholder { width: 180px; height: 180px; margin: 0 auto 12px; border-radius: var(--radius); border: 1px solid var(--border); background: repeating-linear-gradient(0deg, #e6e8ee 0 8px, transparent 8px 16px), repeating-linear-gradient(90deg, #e6e8ee 0 8px, transparent 8px 16px), var(--surface); }

/* 支付结果 */
.result-card { max-width: 560px; margin: 32px auto 0; text-align: center; padding: 40px 28px; }
.result-icon { display: inline-flex; align-items: center; justify-content: center; width: 72px; height: 72px; border-radius: 50%; font-size: 36px; margin-bottom: 18px; }
.result-icon.success { background: var(--success-soft); color: var(--success); }
.result-icon.error { background: var(--danger-soft); color: var(--danger); }
.result-actions { display: flex; gap: 12px; justify-content: center; margin-top: 24px; }

/* 认证 */
.auth-section { padding: 48px 0; }
.auth-card { max-width: 420px; margin: 0 auto; padding: 32px 28px; }
.auth-head { text-align: center; margin-bottom: 22px; }
.auth-head h2 { font-size: 22px; font-weight: 800; letter-spacing: -.01em; }
.auth-head p { color: var(--ink-2); font-size: 14px; margin-top: 6px; }
.auth-foot { text-align: center; margin-top: 18px; font-size: 14px; color: var(--ink-2); }
.auth-tabs { display: flex; gap: 4px; background: rgba(15,23,42,0.05); padding: 4px; border-radius: 10px; margin-bottom: 20px; }
.auth-tab { flex: 1; text-align: center; padding: 8px; border-radius: 8px; font-size: 14px; font-weight: 600; color: var(--ink-2); transition: all .15s; }
.auth-tab.active { background: var(--surface); color: var(--ink); box-shadow: var(--shadow-xs); }
.code-row { display: flex; gap: 8px; }
.code-row .form-input { flex: 1; }

/* 用户中心 */
.user-nav { display: flex; flex-wrap: wrap; gap: 6px; margin: 20px 0; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.user-nav-item { padding: 8px 16px; border-radius: 8px; font-size: 14px; font-weight: 500; color: var(--ink-2); transition: all .15s; }
.user-nav-item:hover { color: var(--ink); background: rgba(15,23,42,0.04); }
.user-nav-item.active { background: var(--ink); color: #fff; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px; }
.stat-icon { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 10px; background: var(--accent-soft); color: var(--accent); font-size: 20px; margin-bottom: 12px; }
.stat-icon svg { width: 22px; height: 22px; }
.stat-icon--success { background: var(--success-soft); color: var(--success); }
.stat-icon--warning { background: var(--warning-soft); color: var(--warning); }
.stat-icon--accent { background: var(--accent-soft); color: var(--accent); }
.stat-icon--info { background: var(--info-soft); color: var(--info); }
.stat-card b { display: block; font-size: 24px; font-weight: 800; letter-spacing: -.01em; }
.stat-card div span { font-size: 13px; color: var(--ink-2); }

/* 主机卡片 */
.hosting-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 22px; }
.hosting-card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.hosting-card-head h3 { font-size: 16px; font-weight: 700; }
.hosting-card-meta { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 14px 0; padding: 14px 0; border-top: 1px dashed var(--border); border-bottom: 1px dashed var(--border); }
.hosting-card-meta div span { display: block; font-size: 12px; color: var(--ink-3); }
.hosting-card-meta div b { font-size: 14px; font-weight: 600; }
.hosting-card-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.credential-box { background: #fafbfd; border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; margin-bottom: 12px; }
.credential-row { display: flex; justify-content: space-between; gap: 16px; padding: 6px 0; font-size: 14px; }
.credential-row span { color: var(--ink-2); }
.credential-row b { font-family: ui-monospace, Menlo, Consolas, monospace; }

/* 工单 */
.ticket-thread { display: flex; flex-direction: column; gap: 14px; }
.ticket-reply { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.ticket-reply-head { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; border-bottom: 1px solid var(--border); font-size: 13px; }
.ticket-reply-head b { font-weight: 600; }
.ticket-reply-head .muted { font-size: 12px; }
.ticket-reply-body { padding: 16px; font-size: 14px; }

/* FAQ / 公告 */
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 12px; background: var(--surface); overflow: hidden; }
.faq-item summary { padding: 16px 20px; font-weight: 600; cursor: pointer; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item[open] summary { border-bottom: 1px solid var(--border); }
.faq-item .faq-body { padding: 16px 20px; color: var(--ink-2); font-size: 14px; }
.announcement { border: 1px solid #bfdbfe; background: var(--info-soft); color: #1e40af; border-radius: var(--radius); padding: 12px 16px; font-size: 14px; margin-bottom: 16px; }
.quick-amounts { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.quick-amounts .chip { font-family: ui-monospace, Menlo, monospace; }

/* 页脚 */
.footer { background: var(--surface); border-top: 1px solid var(--border); padding-top: 48px; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; padding-bottom: 40px; }
.footer-col h4 { font-size: 14px; font-weight: 700; margin-bottom: 14px; }
.footer-col a, .footer-col span { display: block; color: var(--ink-2); font-size: 14px; padding: 4px 0; }
.footer-col a:hover { color: var(--ink); }
.footer-bottom { border-top: 1px solid var(--border); padding: 20px 0; font-size: 13px; color: var(--ink-3); }

/* 响应式 */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-inner { flex-direction: column; text-align: center; }
    .hero-content { text-align: center; }
    .hero-subtitle { margin-left: auto; margin-right: auto; }
    .hero-actions, .hero-stats { justify-content: center; }
    .hero-media { display: none; }
    .product-detail { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
    .container { padding: 0 16px; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .cycle-select { grid-template-columns: repeat(2, 1fr); }
    .pay-methods { grid-template-columns: 1fr; }
    .hero { padding: 44px 0 40px; }
    .hero-title { font-size: 30px; }
    .hero-subtitle { font-size: 15px; margin: 14px 0 22px; }
    .hero-actions { flex-direction: column; gap: 10px; }
    .hero-actions .btn { width: 100%; }
    .hero-stats { gap: 20px; margin-top: 28px; }
    .hero-stat b { font-size: 22px; }
    .section { padding: 40px 0; }
    .section-title { font-size: 24px; }
    .section-head { margin-bottom: 24px; }
    .page-hero { padding: 32px 0 4px; }
    .page-title { font-size: 26px; }
    .card { padding: 18px; }
    .btn { padding: 10px 18px; }
    .btn-lg { padding: 13px 24px; font-size: 15px; }
    .auth-section { padding: 32px 0; }
    .auth-card { padding: 24px 20px; }
    .checkout-amount b { font-size: 34px; }
    .result-icon { width: 64px; height: 64px; font-size: 32px; }
    .result-actions { flex-direction: column; }
    .result-actions .btn { width: 100%; }
    .footer { padding-top: 32px; }
    .qr-placeholder { width: 150px; height: 150px; }
    .navbar-inner { height: 60px; gap: 10px; }
    .brand { font-size: 17px; }
    .nav-toggle { display: flex; }
    .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; gap: 2px; padding: 10px 16px 16px; background: #fff; border-bottom: 1px solid var(--border); box-shadow: 0 20px 40px rgba(15,23,42,0.10); }
    .nav-links.open { display: flex; }
    .nav-link { padding: 12px 14px; border-radius: 10px; }
    .nav-console { display: inline-flex; }
    .user-chip .user-avatar ~ span { display: none; }
    .user-chip { gap: 6px; }
    .nav-auth .btn-ghost { padding: 8px 14px; }
}
@media (max-width: 400px) {
    .stats-grid { grid-template-columns: 1fr; }
    .hero-title { font-size: 26px; }
    .cycle-select { grid-template-columns: 1fr; }
    .nav-auth .btn { font-size: 13px; }
}