/* Chengdu Life Guide - Responsive Styles */
:root {
    --color-primary: #c41e3a;
    --color-primary-dark: #9a1830;
    --color-secondary: #2d6a4f;
    --color-accent: #f4a261;
    --color-bg: #faf9f7;
    --color-bg-alt: #f0ede8;
    --color-surface: #ffffff;
    --color-text: #1a1a2e;
    --color-text-muted: #6b7280;
    --color-border: #e5e2dc;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --header-height: 72px;
    --container-width: 1200px;
    --transition: 0.2s ease;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

#main-content { flex: 1; }

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-dark); }

img { max-width: 100%; height: auto; display: block; }

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    gap: 16px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--color-text);
    white-space: nowrap;
}

.logo-icon { font-size: 1.5rem; }

.main-nav .nav-root {
    display: flex;
    list-style: none;
    gap: 2px;
    align-items: center;
    margin: 0;
    padding: 0;
}

.main-nav a,
.main-nav .nav-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    color: var(--color-text);
    font-size: 0.92rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    background: transparent;
    border: 0;
    cursor: pointer;
    font-family: inherit;
    line-height: 1.3;
    text-decoration: none;
}

.main-nav a:hover,
.main-nav .nav-link:hover,
.main-nav .has-dropdown.is-open > .nav-link {
    background: var(--color-bg-alt);
    color: var(--color-primary);
}

.nav-caret {
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid currentColor;
    opacity: 0.65;
}

.has-dropdown { position: relative; }
.has-dropdown .dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    min-width: 220px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    flex-direction: column;
    padding: 8px 0;
    z-index: 120;
    list-style: none;
    margin: 0;
}
.has-dropdown:hover > .dropdown,
.has-dropdown.is-open > .dropdown,
.has-dropdown:focus-within > .dropdown {
    display: flex;
}
.dropdown li a {
    display: block;
    padding: 8px 16px;
    font-size: 0.875rem;
    border-radius: 0;
    width: 100%;
}
.dropdown li a:hover { background: var(--color-bg-alt); }

/* Guides mega menu */
.has-mega > .mega-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    left: 50%;
    transform: translateX(-40%);
    min-width: 640px;
    max-width: min(860px, calc(100vw - 32px));
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1rem 1.1rem 1.15rem;
    z-index: 130;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem 1.25rem;
}
.has-mega:hover > .mega-dropdown,
.has-mega.is-open > .mega-dropdown,
.has-mega:focus-within > .mega-dropdown {
    display: grid;
}
.mega-col ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: block;
}
.mega-heading {
    display: block;
    font-weight: 700;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-secondary) !important;
    padding: 0.2rem 0.45rem 0.55rem !important;
    margin-bottom: 0.15rem;
    border-bottom: 1px solid var(--color-border);
}
.mega-col a {
    display: block;
    padding: 0.4rem 0.45rem;
    font-size: 0.875rem;
    border-radius: var(--radius-sm);
}
.mega-col a:hover { background: var(--color-bg-alt); }

@media (max-width: 1100px) {
    .has-mega > .mega-dropdown {
        left: 0;
        transform: none;
        min-width: min(640px, calc(100vw - 40px));
    }
}

.header-actions { display: flex; align-items: center; gap: 8px; }
.user-points { font-size: 0.875rem; font-weight: 600; color: var(--color-accent); }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}
.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    line-height: 1.4;
}

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

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

.btn-ghost { background: transparent; color: var(--color-text); border-color: transparent; }
.btn-ghost:hover { background: var(--color-bg-alt); }

.btn-google { background: #fff; color: var(--color-text); border: 1px solid var(--color-border); width: 100%; }
.btn-google:hover { background: var(--color-bg-alt); }

.btn-sm { padding: 6px 14px; font-size: 0.825rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-block { width: 100%; }

.btn-like { background: var(--color-bg-alt); color: var(--color-text); border: 1px solid var(--color-border); }
.btn-like.liked { background: #fee2e2; color: var(--color-primary); border-color: var(--color-primary); }
.btn-like:disabled { opacity: 0.6; cursor: not-allowed; }

/* Hero */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, #8b1a30 50%, var(--color-secondary) 100%);
    color: #fff;
    padding: 80px 0;
    text-align: center;
}

.hero h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 700; margin-bottom: 16px; line-height: 1.2; }
.hero-subtitle { font-size: 1.15rem; opacity: 0.9; max-width: 600px; margin: 0 auto 32px; }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero .btn-outline { color: #fff; border-color: #fff; }
.hero .btn-outline:hover { background: #fff; color: var(--color-primary); }

/* Sections */
.section { padding: 60px 0; }
.section-alt { background: var(--color-bg-alt); }

.section-header { margin-bottom: 32px; }
.section-header h2 { font-size: 1.75rem; margin-bottom: 8px; }
.section-header p { color: var(--color-text-muted); margin-bottom: 8px; }
.link-more { font-weight: 600; font-size: 0.9rem; }

/* Category cards */
.category-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
}
.category-cards-3 { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }

.category-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
    transition: all var(--transition);
    color: var(--color-text);
}
.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: var(--color-primary);
}
.category-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.category-card p { font-size: 0.875rem; color: var(--color-text-muted); }

.category-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
.category-tab {
    padding: 8px 16px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}
.category-tab:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* Article grid */
.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.article-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition);
}
.article-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }

.article-card-image { display: block; aspect-ratio: 16/10; overflow: hidden; }
.article-card-image img { width: 100%; height: 100%; object-fit: cover; }

.article-card-body { padding: 20px; }
.article-card-body h3 { font-size: 1.05rem; margin: 8px 0; line-height: 1.4; }
.article-card-body h3 a { color: var(--color-text); }
.article-card-body h3 a:hover { color: var(--color-primary); }
.article-card-body p { font-size: 0.875rem; color: var(--color-text-muted); }

.article-category {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-secondary);
}

.article-meta {
    display: flex;
    gap: 16px;
    margin-top: 12px;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* Article detail */
.page-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 40px 0;
}
.page-header h1 { font-size: clamp(1.5rem, 4vw, 2.25rem); margin-top: 12px; }
.page-desc { color: var(--color-text-muted); margin-top: 8px; max-width: 700px; }

.breadcrumb { font-size: 0.875rem; color: var(--color-text-muted); display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-primary); }

.article-detail { padding: 40px 0 80px; }
.article-header { margin-bottom: 32px; }
.article-header h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); margin: 12px 0; line-height: 1.3; }
.article-meta-bar { display: flex; gap: 20px; color: var(--color-text-muted); font-size: 0.875rem; }

.article-featured-image { margin-bottom: 32px; border-radius: var(--radius); overflow: hidden; }
.article-featured-image img { width: 100%; max-height: 480px; object-fit: cover; }

.prose { line-height: 1.8; }
.prose h2, .prose h3 { margin: 1.5em 0 0.5em; }
.prose p { margin-bottom: 1em; }
.prose img { border-radius: var(--radius-sm); margin: 1em 0; max-width: 100%; height: auto; }
.prose > img,
.prose p > img { width: 100%; max-height: 420px; object-fit: cover; }
.prose .article-inline-image { margin: 1.25em 0; }
.prose .article-inline-image figcaption { font-size: 0.8rem; color: #777; margin-top: 0.35em; }
.prose ul, .prose ol { margin: 1em 0; padding-left: 1.5em; }
.prose a { text-decoration: underline; }

.article-map { margin: 40px 0; }
.article-map h2 { margin-bottom: 12px; }
.map-address { color: var(--color-text-muted); margin-bottom: 16px; }
.map-container { width: 100%; height: 400px; border-radius: var(--radius); margin-bottom: 16px; background: var(--color-bg-alt); }

.article-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 20px;
    padding: 24px 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    margin: 32px 0;
}

.share-buttons { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.btn-share {
    padding: 6px 12px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
}
.btn-share:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.share-hint { font-size: 0.75rem; color: var(--color-secondary); }

/* Comments */
.comments-section { margin-top: 40px; }
.comments-section h2 { margin-bottom: 20px; }

.comment-form textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.9rem;
    resize: vertical;
    margin-bottom: 12px;
}

.comments-list { margin-top: 24px; }
.comment { display: flex; gap: 12px; padding: 16px 0; border-bottom: 1px solid var(--color-border); }
.comment-avatar {
    width: 40px; height: 40px;
    border-radius: 50%;
    background: var(--color-bg-alt);
    display: flex; align-items: center; justify-content: center;
    font-weight: 600; flex-shrink: 0; overflow: hidden;
}
.comment-avatar img { width: 100%; height: 100%; object-fit: cover; }
.comment-body time { font-size: 0.75rem; color: var(--color-text-muted); margin-left: 8px; }
.comment-body p { margin-top: 4px; font-size: 0.9rem; }
.login-prompt { color: var(--color-text-muted); margin-bottom: 16px; }

/* Consultation */
.consultation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.consultation-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.consultation-price { font-size: 1.5rem; font-weight: 700; color: var(--color-primary); }
.consultation-desc { font-size: 0.9rem; color: var(--color-text-muted); flex: 1; }

.consultation-detail { max-width: 800px; }
.consultation-pricing {
    background: var(--color-bg-alt);
    border-radius: var(--radius);
    padding: 24px;
    margin: 32px 0;
}
.price-tag .label { display: block; font-size: 0.875rem; color: var(--color-text-muted); }
.price-tag .amount { font-size: 2rem; font-weight: 700; color: var(--color-primary); }
.points-info { margin: 12px 0; font-size: 0.875rem; color: var(--color-text-muted); }

.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}
.badge-points { background: #fef3c7; color: #92400e; }
.badge-paid { background: #d1fae5; color: #065f46; }
.badge-pending { background: #fef3c7; color: #92400e; }
.badge-failed { background: #fee2e2; color: #991b1b; }

/* Forms */
.form-container, .auth-container, .checkout-container { max-width: 600px; }
.auth-container { max-width: 420px; margin: 0 auto; padding: 40px 0; }
.auth-page { padding: 40px 0 80px; }
.auth-page h1 { text-align: center; margin-bottom: 24px; }
.auth-form { display: flex; flex-direction: column; gap: 16px; }
.auth-divider { text-align: center; margin: 20px 0; position: relative; }
.auth-divider span { background: var(--color-bg); padding: 0 12px; color: var(--color-text-muted); font-size: 0.875rem; position: relative; z-index: 1; }
.auth-divider::before { content: ''; position: absolute; top: 50%; left: 0; right: 0; height: 1px; background: var(--color-border); }
.auth-switch { text-align: center; margin-top: 20px; font-size: 0.875rem; color: var(--color-text-muted); }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.875rem; font-weight: 500; margin-bottom: 6px; }
.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.9rem;
    transition: border-color var(--transition);
}
.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(196,30,58,0.1);
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.request-form, .checkout-form { background: var(--color-surface); padding: 32px; border-radius: var(--radius); box-shadow: var(--shadow-sm); }

.payment-methods { display: flex; flex-direction: column; gap: 12px; margin: 16px 0; }
.payment-option {
    display: flex; align-items: center; gap: 12px;
    padding: 16px; border: 2px solid var(--color-border);
    border-radius: var(--radius-sm); cursor: pointer;
}
.payment-option:has(input:checked) { border-color: var(--color-primary); background: #fef2f2; }

.checkout-summary { margin-bottom: 24px; }
.checkout-total { display: flex; justify-content: space-between; font-size: 1.25rem; margin: 20px 0; padding-top: 16px; border-top: 1px solid var(--color-border); }

.checkbox-label { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: 0.9rem; }

/* Tables */
.table-responsive { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; background: var(--color-surface); border-radius: var(--radius); overflow: hidden; }
.data-table th, .data-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--color-border); }
.data-table th { background: var(--color-bg-alt); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; }

/* Pagination */
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 32px; }
.pagination a {
    padding: 8px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
}
.pagination a.active, .pagination a:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* Footer */
.site-footer { background: var(--color-text); color: #ccc; padding: 60px 0 0; margin-top: auto; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer-grid h3, .footer-grid h4 { color: #fff; margin-bottom: 16px; }
.footer-grid a { color: #ccc; }
.footer-grid a:hover { color: #fff; }
.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: 8px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0; text-align: center; font-size: 0.875rem; }

/* Flash messages */
.flash { padding: 12px 20px; margin: 16px auto; border-radius: var(--radius-sm); font-size: 0.9rem; max-width: var(--container-width); }
.flash-success { background: #d1fae5; color: #065f46; border: 1px solid #a7f3d0; }
.flash-error { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }

.empty-state { text-align: center; color: var(--color-text-muted); padding: 60px 20px; }
.error-page { text-align: center; padding: 100px 20px; }
.error-page h1 { font-size: 5rem; color: var(--color-primary); line-height: 1; }

.alert { padding: 16px; border-radius: var(--radius-sm); margin: 16px 0; }
.alert-info { background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.search-form {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    max-width: 640px;
}
.search-form input[type="search"] {
    flex: 1;
    padding: 12px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
}

.prose .article-inline-image,
.article-content .article-inline-image {
    margin: 1.5rem 0;
}
.prose .article-inline-image img,
.article-content .article-inline-image img {
    width: 100%;
    height: auto;
    max-height: 420px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    display: block;
}
.prose .article-inline-image figcaption,
.article-content .article-inline-image figcaption {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}

/* Large full-bleed inline photo */
.prose .article-inline-image.is-large img,
.article-content .article-inline-image.is-large img {
    width: 100%;
    max-height: 420px;
}

/* Medium ~62% width */
.prose .article-inline-image.is-medium,
.article-content .article-inline-image.is-medium {
    max-width: 62%;
    margin-left: auto;
    margin-right: auto;
}
.prose .article-inline-image.is-medium img,
.article-content .article-inline-image.is-medium img {
    max-height: 320px;
}

/* Small floated thumbnail — visibly distinct from full-width heroes */
.prose .article-inline-image.is-small,
.article-content .article-inline-image.is-small {
    max-width: 36%;
    width: 36%;
    margin: 0.25rem 1.15rem 0.85rem 0;
    float: left;
    clear: left;
}
.prose .article-inline-image.is-small.is-right,
.article-content .article-inline-image.is-small.is-right {
    float: right;
    clear: right;
    margin: 0.25rem 0 0.85rem 1.15rem;
}
.prose .article-inline-image.is-small img,
.article-content .article-inline-image.is-small img {
    max-height: 200px;
    width: 100%;
    box-shadow: var(--shadow-sm);
}

/* Side-by-side pair of small images */
.prose .article-image-pair,
.article-content .article-image-pair {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.85rem;
    margin: 1.35rem 0;
    clear: both;
}
.prose .article-image-pair .article-inline-image,
.article-content .article-image-pair .article-inline-image {
    margin: 0;
    float: none;
    max-width: none;
    width: auto;
}
.prose .article-image-pair .article-inline-image img,
.article-content .article-image-pair .article-inline-image img {
    max-height: 240px;
    width: 100%;
}

.prose .article-content-clearfix::after,
.article-content::after {
    content: "";
    display: table;
    clear: both;
}

@media (max-width: 640px) {
    .prose .article-inline-image.is-medium,
    .article-content .article-inline-image.is-medium,
    .prose .article-inline-image.is-small,
    .article-content .article-inline-image.is-small,
    .prose .article-inline-image.is-small.is-right,
    .article-content .article-inline-image.is-small.is-right {
        float: none;
        clear: none;
        max-width: 100%;
        width: 100%;
        margin: 1.1rem 0;
    }
    .prose .article-image-pair,
    .article-content .article-image-pair {
        grid-template-columns: 1fr;
    }
}

/* Responsive */
@media (max-width: 992px) {
    .main-nav {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0; right: 0;
        background: var(--color-surface);
        border-bottom: 1px solid var(--color-border);
        padding: 12px 16px 20px;
        box-shadow: var(--shadow);
        max-height: calc(100vh - var(--header-height));
        overflow-y: auto;
    }
    .main-nav.open { display: block; }
    .main-nav .nav-root {
        flex-direction: column;
        align-items: stretch;
        gap: 2px;
    }
    .main-nav a,
    .main-nav .nav-link {
        width: 100%;
        justify-content: space-between;
        padding: 12px 10px;
    }
    .has-dropdown > .dropdown,
    .has-mega > .mega-dropdown {
        display: none;
        position: static;
        transform: none;
        left: auto;
        top: auto;
        min-width: 0;
        max-width: none;
        box-shadow: none;
        border: 0;
        border-radius: 0;
        padding: 0 0 8px 12px;
        margin: 0;
        background: transparent;
    }
    .has-dropdown.is-open > .dropdown { display: flex; }
    .has-mega.is-open > .mega-dropdown {
        display: grid;
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    /* Disable hover-open on touch layouts; rely on .is-open */
    .has-dropdown:hover > .dropdown,
    .has-mega:hover > .mega-dropdown {
        display: none;
    }
    .has-dropdown.is-open > .dropdown { display: flex; }
    .has-mega.is-open > .mega-dropdown { display: grid; }
    .nav-toggle { display: flex; }
    .footer-grid { grid-template-columns: 1fr; }
    .logo-text { max-width: 42vw; overflow: hidden; text-overflow: ellipsis; }
}

@media (max-width: 640px) {
    .header-actions .btn-ghost { display: none; }
    .form-row { grid-template-columns: 1fr; }
    .hero { padding: 60px 0; }
    .section { padding: 40px 0; }
    .article-actions { flex-direction: column; align-items: flex-start; }
}

/* ===== Free Tools ===== */
.tools-page-header .tools-kicker {
    color: var(--color-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
}
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.25rem;
}
.tool-card {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    padding: 1.35rem 1.25rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
    min-height: 180px;
}
.tool-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
}
.tool-card-icon { font-size: 1.75rem; line-height: 1; }
.tool-card h2,
.tool-card h3 { font-size: 1.15rem; margin: 0; }

.smart-hub-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 1.25rem;
    margin-bottom: 1.75rem;
}
@media (max-width: 900px) {
    .smart-hub-grid { grid-template-columns: 1fr; }
}
.smart-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.25rem 1.2rem;
}
.smart-card h2 { font-size: 1.15rem; margin-bottom: 0.35rem; }
.smart-subhead { margin-top: 1.1rem; font-size: 0.95rem; }
.smart-profile-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.65rem 0.75rem;
    margin-top: 0.75rem;
}
.smart-profile-form label {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.82rem;
    font-weight: 600;
}
.smart-profile-form input,
.smart-profile-form select {
    font-weight: 500;
    padding: 0.55rem 0.65rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font: inherit;
}
.smart-profile-form .btn { grid-column: 1 / -1; margin-top: 0.25rem; }
@media (max-width: 640px) {
    .smart-profile-form { grid-template-columns: 1fr; }
}
.smart-status { color: var(--color-secondary); font-size: 0.88rem; margin: 0.35rem 0 0; }
.smart-recs { display: grid; gap: 0.55rem; margin-top: 0.75rem; }
.smart-rec {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.7rem 0.8rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    text-decoration: none;
    color: inherit;
    background: var(--color-bg);
}
.smart-rec:hover { border-color: var(--color-primary); }
.smart-rec strong { text-transform: capitalize; color: var(--color-primary); font-size: 0.92rem; }
.smart-rec span { font-size: 0.84rem; color: var(--color-text-muted); }
.smart-history-list { margin: 0.4rem 0 0; padding-left: 1.1rem; font-size: 0.88rem; }
.smart-history-list small { color: var(--color-text-muted); }
.tools-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    justify-content: space-between;
    margin: 0 0 1.5rem;
}
.tools-toolbar input[type="search"] {
    flex: 1;
    min-width: 220px;
    padding: 0.7rem 0.85rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font: inherit;
}
.tools-jump { display: flex; gap: 0.75rem; font-size: 0.9rem; }
.tool-smart-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-top: 1rem;
}
.tool-profile-drawer {
    margin-top: 0.75rem;
    padding: 0.85rem 1rem;
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
}
.tool-inline-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}
@media (max-width: 640px) {
    .tool-inline-2 { grid-template-columns: 1fr; }
}
.smart-tip {
    margin: 0.55rem 0 0.75rem;
    padding: 0.55rem 0.7rem;
    border-left: 3px solid var(--color-primary);
    background: var(--color-bg);
    font-size: 0.9rem;
}
.tool-mini-profile { margin-top: 0.5rem; }
.tool-profile-actions { margin: 0.65rem 0 0; font-size: 0.88rem; }
@media print {
    .site-header, .site-footer, .tool-aside, .tool-smart-bar, .breadcrumb, .nav-toggle { display: none !important; }
    .tool-layout { display: block; }
    .tool-panel { border: 0; padding: 0; }
}
.tools-group-head { margin-bottom: 1rem; }
.tools-group-head h2 { font-size: 1.35rem; margin-bottom: 0.25rem; }
.tools-group-head p { color: var(--color-text-muted); margin: 0; }

.dropdown-tools {
    min-width: 280px;
    max-height: min(70vh, 520px);
    overflow-y: auto;
}
.dropdown-label {
    padding: 10px 16px 4px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-secondary);
    list-style: none;
}

.py-out {
    font-size: 1.2rem;
    font-weight: 600;
    line-height: 1.6;
    word-break: break-word;
}
.py-src { color: var(--color-text-muted); }

.hsk-legend { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 0.85rem; }
.hsk-pill { display: inline-block; padding: 0.2rem 0.5rem; border-radius: 999px; font-size: 0.78rem; font-weight: 600; }
.hsk-text { font-size: 1.15rem; line-height: 1.9; word-break: break-word; }
.hsk-l1 { background: #e7f7ef; color: #1b7a45; }
.hsk-l2 { background: #e8f1ff; color: #1d4f91; }
.hsk-l3 { background: #f3eaff; color: #6b3fa0; }
.hsk-l4 { background: #fff4e0; color: #9a5b00; }
.hsk-l5 { background: #ffe8e0; color: #a33b16; }
.hsk-l6 { background: #e8e8e8; color: #333; }
.hsk-unk { background: #f5f5f5; color: #777; border-bottom: 1px dashed #bbb; }

.name-table th { text-align: left; padding: 0.35rem 0; border-bottom: 1px solid var(--color-border); }
.tool-card p { color: var(--color-text-muted); font-size: 0.95rem; flex: 1; margin: 0; }
.tool-card-cta { color: var(--color-primary); font-weight: 600; font-size: 0.9rem; }
.tool-steps-label {
    margin: 1.1rem 0 0.35rem;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-secondary);
}
.tool-pre {
    white-space: pre-wrap;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0.85rem;
    font-size: 0.88rem;
    max-height: 320px;
    overflow: auto;
}
.report-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 0.75rem;
}
@media (max-width: 700px) {
    .report-grid { grid-template-columns: 1fr; }
}
.meter {
    height: 8px;
    background: var(--color-bg-alt);
    border-radius: 999px;
    overflow: hidden;
    margin: 0.55rem 0 0.85rem;
}
.meter i {
    display: block;
    height: 100%;
    background: var(--color-primary);
}
.meter-row {
    display: grid;
    grid-template-columns: 88px 1fr 72px;
    gap: 0.5rem;
    align-items: center;
    margin: 0.35rem 0;
    font-size: 0.9rem;
}
.meter-row .meter { margin: 0; }
.meter-row b { text-align: right; font-variant-numeric: tabular-nums; }
.muted { color: var(--color-text-muted); font-size: 0.9rem; }
.land-item.is-blocked { opacity: 0.55; }
.land-item.is-done { text-decoration: line-through; opacity: 0.75; }
.land-item em { font-size: 0.8rem; color: var(--color-text-muted); font-style: normal; }
.ruby-block {
    font-size: 1.25rem;
    line-height: 2.2;
    padding: 0.75rem;
    background: var(--color-bg);
    border-radius: var(--radius-sm);
}
.ruby-block ruby { ruby-position: over; }
.ruby-block rt { font-size: 0.65em; color: var(--color-primary); }
.rmb-slip {
    border: 1px dashed var(--color-border);
    padding: 1rem;
    border-radius: var(--radius-sm);
    background: #fffdf8;
}

.tool-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 2rem;
    align-items: start;
}
.tool-panel {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
}
.tool-aside-group {
    margin: 0.85rem 0 0.25rem;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-secondary);
}
.tool-aside-group:first-of-type { margin-top: 0; }
.tool-aside-list { list-style: none; margin: 0 0 1rem; padding: 0; }
.tool-aside-list a {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    padding: 0.55rem 0.4rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: inherit;
    font-size: 0.92rem;
}
.tool-aside-list a:hover,
.tool-aside-list a.is-active { background: var(--color-bg-alt); color: var(--color-primary); }
.tool-aside .btn { display: inline-flex; margin: 0.25rem 0.35rem 0 0; }

.tool-form label { display: block; font-weight: 600; margin: 0.85rem 0 0.35rem; }
.tool-form input[type="search"],
.tool-form input[type="text"],
.tool-form textarea,
.tool-form select {
    width: 100%;
    padding: 0.7rem 0.85rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font: inherit;
    background: #fff;
}
.tool-form-stack fieldset {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0.85rem 1rem 1rem;
    margin: 0 0 1rem;
}
.tool-form-stack legend { padding: 0 0.35rem; font-weight: 600; }
.check-row {
    display: flex !important;
    align-items: center;
    gap: 0.55rem;
    font-weight: 500 !important;
    margin: 0.45rem 0 !important;
}
.tool-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1rem; }
.tool-form .btn { margin-top: 1rem; }
.tool-note { margin-top: 1.25rem; color: var(--color-text-muted); font-size: 0.88rem; line-height: 1.5; }
.tool-result { margin-top: 1.25rem; }
.tool-result .result-ok,
.tool-result .result-warn,
.tool-result .result-bad {
    padding: 1rem 1.1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}
.tool-result .result-ok { background: #f0faf4; border-color: #b7e4c7; }
.tool-result .result-warn { background: #fff8eb; border-color: #f2d6a2; }
.tool-result .result-bad { background: #fff1f0; border-color: #f5c2c0; }
.tool-result ol, .tool-result ul { margin: 0.6rem 0 0 1.1rem; }
.tool-result h3 { margin: 1rem 0 0.4rem; font-size: 1rem; }
.cost-table { width: 100%; margin-top: 0.75rem; border-collapse: collapse; }
.cost-table td { padding: 0.4rem 0; border-bottom: 1px solid var(--color-border); }
.cost-table td:last-child { text-align: right; font-variant-numeric: tabular-nums; }
.cost-table .is-total td { font-weight: 700; border-bottom: none; padding-top: 0.65rem; }

.addr-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: #111;
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem 1.25rem;
    text-align: center;
}
.addr-overlay[hidden] { display: none !important; }
.addr-overlay-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: transparent;
    border: 0;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
}
.addr-overlay-hint { opacity: 0.8; margin-bottom: 1rem; font-size: 1.1rem; }
.addr-overlay-zh {
    font-size: clamp(1.8rem, 6vw, 3.2rem);
    font-weight: 700;
    line-height: 1.35;
    max-width: 18em;
}
.addr-overlay-en { margin-top: 1.25rem; opacity: 0.75; font-size: 1rem; }

.emerg-tabs { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-bottom: 1rem; }
.emerg-tab {
    border: 1px solid var(--color-border);
    background: var(--color-bg-alt);
    border-radius: 999px;
    padding: 0.4rem 0.85rem;
    cursor: pointer;
    font: inherit;
    font-size: 0.88rem;
}
.emerg-tab.is-active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}
.emerg-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.1rem;
    background: var(--color-bg);
}
.emerg-zh { font-size: 1.25rem; font-weight: 600; line-height: 1.5; margin-bottom: 0.75rem; }
.emerg-en { color: var(--color-text-muted); }

.apps-toolbar { margin-bottom: 1rem; }
.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.9rem;
}
.app-flip {
    perspective: 900px;
    height: 160px;
    cursor: pointer;
}
.app-flip-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.45s ease;
    transform-style: preserve-3d;
}
.app-flip.is-flipped .app-flip-inner { transform: rotateY(180deg); }
.app-face {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.4rem;
    background: var(--color-surface);
}
.app-back {
    transform: rotateY(180deg);
    background: #1a1a2e;
    color: #fff;
    border-color: #1a1a2e;
}
.app-back p { margin: 0; font-size: 0.85rem; opacity: 0.9; line-height: 1.4; }
.app-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; opacity: 0.7; }
.app-tap { font-size: 0.8rem; color: var(--color-primary); margin-top: auto; }
.app-back .app-label { opacity: 0.65; }

@media (max-width: 900px) {
    .tool-layout { grid-template-columns: 1fr; }
    .tool-aside { order: 2; }
}