/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --inline-white: #ffffff;
    --inline-light-gray: #f8f9fa;
    --inline-gray: #e9ecef;
    --inline-border: #dee2e6;
    --inline-orange: #ff6633;
    --inline-orange-dark: #e55d28;
    --inline-orange-light: #fff5f0;
    --inline-blue: #1f3a5c;
    --inline-blue-light: #2c4d75;
    --inline-yellow: #ffc629;
    --inline-text: #212529;
    --inline-text-muted: #6c757d;
    --inline-text-light: #999999;
    --inline-shadow: 0 2px 8px rgba(0,0,0,0.08);
    --inline-shadow-md: 0 4px 16px rgba(0,0,0,0.12);
    --inline-radius: 8px;
    --gap-xs: 3px;
    --gap-sm: 6px;
    --gap-md: 10px;
    --gap-lg: 14px;
}

html { font-size: 15px; }

body {
    background: var(--inline-light-gray);
    color: var(--inline-text);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.5;
}

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

a:hover { color: var(--inline-orange-dark); }

img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ===== WRAPPER ===== */
.iw-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 14px;
}

/* ===== HEADER/NAVBAR ===== */
.ih-navbar {
    background: var(--inline-white);
    border-bottom: 1px solid var(--inline-border);
    padding: 10px 0;
    box-shadow: var(--inline-shadow);
    position: relative;
    z-index: 100;
}

.ih-navbar-inner {
    display: flex;
    align-items: center;
}

.ih-brand-area {
    display: flex;
    align-items: center;
}

.ih-brand-link {
    display: inline-flex;
    align-items: center;
    gap: var(--gap-md);
    text-decoration: none;
}

.ih-brand-name {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--inline-orange);
    letter-spacing: -0.3px;
}

.ih-domain-area {
    display: inline-flex;
    align-items: center;
    gap: var(--gap-xs);
}

.ih-domain-label {
    font-size: 0.62rem;
    color: var(--inline-text-light);
    font-weight: 500;
    letter-spacing: 0.3px;
}

.ih-domain-value {
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--inline-text);
}

/* ===== BANNER ===== */
.ib-banner {
    margin: var(--gap-md) 0;
}

.ib-banner img {
    width: 100%;
    border-radius: var(--inline-radius);
}

/* ===== NAVIGATION ZONES ===== */
.in-nav-zones {
    background: var(--inline-white);
    border: 1px solid var(--inline-border);
    border-radius: var(--inline-radius);
    overflow: hidden;
    margin: var(--gap-md) 0;
    box-shadow: var(--inline-shadow);
}

.in-zone-panel {
    display: flex;
    align-items: stretch;
    border-bottom: 1px solid var(--inline-border);
    min-height: 40px;
}

.in-zone-panel:last-child { border-bottom: none; }

.in-zone-name {
    background: linear-gradient(135deg, #f0f2f5 0%, #e8eaef 100%);
    color: var(--inline-text);
    font-size: 0.68rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--gap-sm) 2px;
    width: 12%;
    min-width: 12%;
    border-right: 1px solid var(--inline-border);
    text-align: center;
    line-height: 1.3;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

.in-zone-items {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    align-items: center;
    padding: var(--gap-sm) var(--gap-md);
    gap: var(--gap-xs);
    flex: 1;
}

.in-nav-item {
    font-size: 0.82rem;
    color: var(--inline-text-muted);
    padding: var(--gap-xs) var(--gap-sm);
    border-radius: 4px;
    transition: all 0.15s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: center;
    border: 1px solid transparent;
    text-decoration: none;
    display: block;
}

.in-nav-item:hover {
    background: var(--inline-orange-light);
    color: var(--inline-orange);
    border-color: #ffd9cc;
}

.in-nav-item.active {
    background: var(--inline-orange);
    color: var(--inline-white);
    border-color: var(--inline-orange);
    font-weight: 700;
}

/* ===== SEARCH PANEL ===== */
.is-search-panel {
    background: var(--inline-white);
    border: 1px solid var(--inline-border);
    border-radius: var(--inline-radius);
    padding: var(--gap-md);
    margin: var(--gap-md) 0;
    box-shadow: var(--inline-shadow);
}

.is-search-panel form {
    display: flex;
    gap: var(--gap-sm);
    align-items: center;
    flex-wrap: nowrap;
    width: 100%;
}

.is-search-field {
    flex: 1;
    min-width: 0;
    height: 38px;
    border: 1px solid var(--inline-border);
    border-radius: 4px;
    padding: 0 var(--gap-md);
    font-size: 0.88rem;
    color: var(--inline-text);
    background: var(--inline-light-gray);
    outline: none;
    transition: border-color 0.2s ease;
}

.is-search-field:focus {
    border-color: var(--inline-orange);
    background: var(--inline-white);
}

.is-search-field::placeholder {
    color: var(--inline-text-light);
}

.is-btn {
    height: 38px;
    padding: 0 var(--gap-md);
    border: 1px solid transparent;
    border-radius: 4px;
    background: var(--inline-text-muted);
    color: var(--inline-white);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.15s ease;
    flex-shrink: 0;
}

.is-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--inline-shadow-md);
}

.is-btn-primary {
    background: var(--inline-orange);
    border-color: var(--inline-orange);
}

.is-btn-primary:hover {
    background: var(--inline-orange-dark);
    border-color: var(--inline-orange-dark);
}

.is-btn-secondary {
    background: var(--inline-blue);
    border-color: var(--inline-blue);
}

.is-btn-secondary:hover {
    background: var(--inline-blue-light);
}

.is-btn-face {
    background: #6c757d;
    border-color: #6c757d;
}

.is-btn-face:hover {
    background: #5a6268;
}

/* ===== TRENDING/HOT SECTION ===== */
.ih-trending-block {
    background: var(--inline-white);
    border: 1px solid var(--inline-border);
    border-radius: var(--inline-radius);
    padding: var(--gap-lg) var(--gap-lg);
    margin: var(--gap-md) 0;
    box-shadow: var(--inline-shadow);
}

.ih-trending-title {
    font-size: 0.83rem;
    font-weight: 700;
    color: var(--inline-text);
    margin-bottom: var(--gap-md);
}

.ih-trending-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--gap-sm);
}

.ih-tag {
    display: inline-block;
    background: var(--inline-light-gray);
    color: var(--inline-text-muted);
    border: 1px solid var(--inline-border);
    border-radius: 18px;
    padding: var(--gap-xs) var(--gap-md);
    font-size: 0.78rem;
    text-decoration: none;
    transition: all 0.15s ease;
}

.ih-tag:hover {
    background: var(--inline-orange-light);
    border-color: var(--inline-orange);
    color: var(--inline-orange);
}

/* ===== CONTENT SECTION ===== */
.ic-section {
    background: var(--inline-white);
    border: 1px solid var(--inline-border);
    border-radius: var(--inline-radius);
    padding: var(--gap-lg);
    margin: var(--gap-md) 0;
    box-shadow: var(--inline-shadow);
}

.ic-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--gap-lg);
    padding-bottom: var(--gap-md);
    border-bottom: 1px solid var(--inline-border);
}

.ic-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--inline-text);
}

.ic-title a {
    color: var(--inline-orange);
}

.ic-title a:hover {
    color: var(--inline-orange-dark);
}

.ic-count {
    font-size: 0.72rem;
    font-weight: normal;
    color: var(--inline-text-light);
    margin-left: var(--gap-sm);
}

/* ===== GRID LAYOUT ===== */
.ic-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--gap-lg);
    list-style: none;
    padding: 0;
    margin: 0;
}

.ic-item {
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--inline-border);
    background: var(--inline-light-gray);
    transition: all 0.2s ease;
}

.ic-item:hover {
    box-shadow: var(--inline-shadow-md);
    transform: translateY(-3px);
    border-color: var(--inline-orange);
}

.ic-thumb {
    display: block;
    width: 100%;
    aspect-ratio: 600 / 350;
    overflow: hidden;
    background: linear-gradient(135deg, #e9ecef 0%, #dee2e6 100%);
    position: relative;
}

.ic-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
    display: block;
}

.ic-thumb:hover .ic-img {
    transform: scale(1.06);
}

.ic-meta {
    padding: var(--gap-md);
    background: var(--inline-white);
}

.ic-name {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--inline-text);
    line-height: 1.4;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.ic-name a {
    color: var(--inline-text);
}

.ic-name a:hover {
    color: var(--inline-orange);
}

/* ===== PAGINATION ===== */
.ip-page {
    margin: var(--gap-lg) 0 var(--gap-md);
    display: flex;
    justify-content: center;
}

.ip-nums {
    display: flex;
    flex-wrap: wrap;
    gap: var(--gap-sm);
    align-items: center;
    justify-content: center;
}

.ipn-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 34px;
    height: 34px;
    padding: 0 var(--gap-md);
    background: var(--inline-white);
    border: 1px solid var(--inline-border);
    border-radius: 4px;
    font-size: 0.82rem;
    color: var(--inline-text-muted);
    text-decoration: none;
    transition: all 0.15s ease;
}

.ipn-btn:hover {
    background: var(--inline-orange-light);
    border-color: var(--inline-orange);
    color: var(--inline-orange);
}

.ipn-current {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 34px;
    height: 34px;
    padding: 0 var(--gap-md);
    background: var(--inline-orange);
    border: 1px solid var(--inline-orange);
    border-radius: 4px;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--inline-white);
    cursor: default;
}

/* ===== DETAIL PAGE ===== */
.id-header {
    line-height: 1.7;
    text-align: center;
    padding: var(--gap-lg) var(--gap-lg);
    font-size: 0.93rem;
    margin: var(--gap-md) 0;
    word-break: break-all;
    background: var(--inline-white);
    border: 1px solid var(--inline-border);
    border-left: 3px solid var(--inline-orange);
    border-radius: var(--inline-radius);
    box-shadow: var(--inline-shadow);
}

.id-category {
    color: var(--inline-orange);
    font-weight: 700;
    margin-right: var(--gap-sm);
}

.id-title {
    color: var(--inline-text);
}

.id-meta {
    font-size: 0.88rem;
    line-height: 1.8;
    padding: var(--gap-lg) var(--gap-lg);
    background: var(--inline-white);
    border: 1px solid var(--inline-border);
    border-radius: var(--inline-radius);
    box-shadow: var(--inline-shadow);
    margin: var(--gap-md) 0;
    color: var(--inline-text-muted);
}

.id-preview {
    display: block;
    width: 100%;
    margin-top: var(--gap-lg);
}

.id-preview picture,
.id-preview img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    display: block;
}

/* ===== ACTION BUTTONS ===== */
.id-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--gap-lg);
    margin: var(--gap-lg) 0;
}

.id-action-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--gap-sm);
    padding: var(--gap-md) var(--gap-lg);
    background: var(--inline-text-muted);
    color: var(--inline-white);
    border: 1px solid transparent;
    border-radius: 4px;
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.id-action-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--inline-shadow-md);
}

.id-btn-download {
    background: var(--inline-blue);
}

.id-btn-download:hover {
    background: var(--inline-blue-light);
}

.id-btn-open {
    background: var(--inline-orange);
}

.id-btn-open:hover {
    background: var(--inline-orange-dark);
}

.id-btn-copy {
    background: #17a2b8;
}

.id-btn-copy:hover {
    background: #138496;
}

.id-client {
    text-align: center;
    padding: var(--gap-md);
    font-size: 0.82rem;
}

.id-client a {
    color: var(--inline-text);
    font-weight: 600;
}

.id-client a:hover {
    color: var(--inline-orange);
}

/* ===== SHARE PANEL ===== */
.id-share {
    display: flex;
    align-items: center;
    gap: var(--gap-md);
    background: var(--inline-orange-light);
    border: 1px solid var(--inline-border);
    border-radius: var(--inline-radius);
    padding: var(--gap-md) var(--gap-lg);
    margin: var(--gap-md) 0;
    flex-wrap: wrap;
}

.id-share-label {
    font-size: 0.77rem;
    color: var(--inline-text-light);
    white-space: nowrap;
    font-weight: 500;
}

.id-share-url {
    font-size: 0.77rem;
    color: var(--inline-text-muted);
    flex: 1;
    min-width: 0;
    word-break: break-all;
}

.id-share-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--gap-xs);
    padding: var(--gap-sm) var(--gap-md);
    background: var(--inline-orange);
    color: var(--inline-white);
    border: none;
    border-radius: 4px;
    font-size: 0.77rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
    flex-shrink: 0;
}

.id-share-btn:hover {
    background: var(--inline-orange-dark);
}

/* ===== FOOTER ===== */
.if-links-section {
    background: var(--inline-white);
    border: 1px solid var(--inline-border);
    border-radius: var(--inline-radius);
    padding: var(--gap-lg);
    margin: var(--gap-md) 0;
    box-shadow: var(--inline-shadow);
}

.if-links-title {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--inline-text);
}

.if-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--gap-sm);
}

.if-links dd { display: inline; }

.if-link {
    display: inline-block;
    font-size: 0.77rem;
    color: var(--inline-text-light);
    padding: var(--gap-xs) var(--gap-md);
    border-radius: 3px;
    border: 1px solid var(--inline-border);
    background: var(--inline-light-gray);
    text-decoration: none;
    transition: all 0.15s ease;
}

.if-link:hover {
    color: var(--inline-orange);
    border-color: var(--inline-orange);
    background: var(--inline-orange-light);
}

.if-copyright {
    text-align: center;
    padding: var(--gap-lg) 0 var(--gap-lg);
    color: var(--inline-text-light);
    font-size: 0.77rem;
}

/* ===== HELPERS ===== */
.id-only-pc { display: block; }
.id-only-mb { display: none; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .ic-grid { grid-template-columns: repeat(2, 1fr); gap: var(--gap-md); }
    .id-only-pc { display: none; }
    .id-only-mb { display: block; }
}

@media (max-width: 768px) {
    html { font-size: 14px; }

    .ih-brand-name { font-size: 1.1rem; }
    .ih-domain-value { font-size: 0.92rem; }

    .in-zone-name {
        width: 15%;
        min-width: 15%;
        max-width: 15%;
        font-size: 10px;
        padding: var(--gap-sm) 2px;
        letter-spacing: 0;
        line-height: 1.5;
        word-break: break-all;
    }

    .in-zone-items {
        width: 85%;
        flex: 1;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: var(--gap-xs);
        padding: var(--gap-sm) var(--gap-sm);
    }

    .in-nav-item {
        font-size: 12px;
        padding: var(--gap-xs) 2px;
    }

    .is-search-panel form {
        flex-wrap: nowrap;
        gap: var(--gap-sm);
    }

    .is-search-field {
        height: 36px;
        font-size: 0.78rem;
        padding: 0 var(--gap-sm);
    }

    .is-btn {
        height: 36px;
        padding: 0 var(--gap-sm);
        font-size: 0.73rem;
    }

    .ic-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--gap-md);
    }

    .ic-thumb { aspect-ratio: 600 / 350; }
    .ic-name { font-size: 0.73rem; }
    .ic-section { padding: var(--gap-md); }
    .id-action-btn { padding: var(--gap-md) var(--gap-lg); font-size: 0.82rem; }
    .id-actions { gap: var(--gap-md); }
}

@media (max-width: 480px) {
    .in-zone-name { font-size: 10px; }
    .in-nav-item { font-size: 12px; }
    .is-btn { padding: 0 var(--gap-sm); font-size: 0.68rem; }
    .ic-grid { gap: var(--gap-sm); }
}

/* ===== CLEARFIX ===== */
.clearfix::after { content: ''; display: table; clear: both; }