/* 瀚海易链书店ERP — 全站 AI 智能视觉主题 */

:root {
    --ai-cyan: #22d3ee;
    --ai-teal: #14b8a6;
    --ai-violet: #818cf8;
    --ai-ink: #0b1224;
    --ai-muted: #5c6578;
    --ai-glass: rgba(255, 255, 255, 0.72);
    --ai-glass-border: rgba(255, 255, 255, 0.55);
    --ai-glow: rgba(34, 211, 238, 0.35);
}

/* ─── 子页面基底 ─── */
body.site-ai {
    position: relative;
    overflow-x: hidden;
}

body.site-ai.site-subpage {
    background: linear-gradient(180deg, #eef2f7 0%, #f4f7fb 35%, #f8fafc 100%) !important;
}

body.site-ai .site-navbar.navbar {
    background: rgba(255, 255, 255, 0.82) !important;
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(34, 211, 238, 0.08);
}

body.site-ai .nav-brand {
    background: linear-gradient(120deg, #0b1224 30%, #0f766e 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

body.site-ai .nav-brand span {
    -webkit-text-fill-color: #64748b;
}

/* ─── 页头 AI 增强 ─── */
body.site-ai .site-page-hero {
    overflow: hidden;
}

body.site-ai .site-page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(34, 211, 238, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(34, 211, 238, 0.05) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 15%, transparent 70%);
    pointer-events: none;
    animation: aiGridDrift 24s linear infinite;
}

body.site-ai .site-page-hero::after {
    content: '';
    position: absolute;
    top: -40%;
    left: 50%;
    width: 80%;
    height: 80%;
    transform: translateX(-50%);
    background: radial-gradient(circle, rgba(34, 211, 238, 0.15), transparent 55%);
    pointer-events: none;
}

body.site-ai .site-page-hero .container {
    position: relative;
    z-index: 1;
}

.hero-ai-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ai-cyan);
    background: rgba(34, 211, 238, 0.1);
    border: 1px solid rgba(34, 211, 238, 0.3);
    margin-bottom: 1rem;
}

.hero-ai-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--ai-cyan);
    box-shadow: 0 0 10px var(--ai-cyan);
    animation: aiDotBlink 1.4s ease-in-out infinite;
}

body.site-ai .site-page-hero .page-title {
    background: linear-gradient(120deg, #f8fafc 0%, #e2e8f0 40%, #a5f3fc 75%, #c4b5fd 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent !important;
    color: transparent !important;
    filter: drop-shadow(0 2px 24px rgba(34, 211, 238, 0.15));
}

/* ─── AI 内容区 ─── */
.ai-page-body {
    position: relative;
    z-index: 1;
    padding: 3.5rem 0 5rem;
}

.ai-page-body .features-section,
.ai-features-page {
    padding: 3.5rem 0 5rem;
    background: transparent;
}

/* 玻璃卡片 */
.ai-glass-card,
body.site-ai .feature-card {
    background: var(--ai-glass);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--ai-glass-border);
    border-radius: 18px;
    box-shadow:
        0 8px 32px rgba(15, 23, 42, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.85);
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
        box-shadow 0.35s ease,
        border-color 0.35s ease;
}

body.site-ai .feature-card {
    padding: 2rem 1.65rem;
    position: relative;
    overflow: hidden;
}

body.site-ai .feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--ai-teal), var(--ai-violet));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.35s ease;
}

body.site-ai .feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(34, 211, 238, 0.35);
    box-shadow:
        0 24px 56px rgba(13, 148, 136, 0.12),
        0 0 0 1px rgba(34, 211, 238, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

body.site-ai .feature-card:hover::before {
    transform: scaleX(1);
}

body.site-ai .feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    font-weight: 700;
    color: #0f766e;
    margin-bottom: 1.1rem;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.12), rgba(129, 140, 248, 0.1));
    border: 1px solid rgba(34, 211, 238, 0.2);
    box-shadow: 0 0 20px rgba(34, 211, 238, 0.08);
}

body.site-ai .feature-card h3 {
    font-size: 1.2rem;
    color: var(--ai-ink);
    margin-bottom: 0.65rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

body.site-ai .feature-card > p {
    font-size: 0.9375rem;
    color: var(--ai-muted);
    line-height: 1.75;
    margin-bottom: 1rem;
}

body.site-ai .feature-list li {
    font-size: 0.875rem;
    color: #475569;
    border-bottom-color: rgba(15, 23, 42, 0.06);
}

body.site-ai .feature-list li::before {
    color: var(--ai-teal);
}

body.site-ai .features-grid {
    gap: 1.35rem;
}

/* ─── 关于我们 ─── */
body.site-ai .about-section {
    padding: 3.5rem 0;
}

body.site-ai .contact-card {
    background: linear-gradient(145deg, #0a0f1e 0%, #0f172a 45%, #111c2f 100%);
    border: 1px solid rgba(34, 211, 238, 0.2);
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.25),
        0 0 40px rgba(34, 211, 238, 0.08);
    position: relative;
    overflow: hidden;
}

body.site-ai .contact-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 100%;
    background: radial-gradient(circle, rgba(34, 211, 238, 0.12), transparent 65%);
    pointer-events: none;
}

body.site-ai .history-section {
    background: linear-gradient(165deg, #070b14, #0f172a);
}

body.site-ai .history-section .section-title {
    color: #f8fafc;
}

body.site-ai .timeline-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(34, 211, 238, 0.15);
    backdrop-filter: blur(12px);
}

/* ─── 论坛 ─── */
body.site-ai .forum-container {
    position: relative;
    z-index: 1;
}

body.site-ai .forum-toolbar,
body.site-ai .post-card,
body.site-ai .forum-post-card {
    background: var(--ai-glass) !important;
    backdrop-filter: blur(14px);
    border: 1px solid var(--ai-glass-border) !important;
    box-shadow: 0 8px 28px rgba(15, 23, 42, 0.06) !important;
}

body.site-ai .category-tag {
    border: 1px solid rgba(34, 211, 238, 0.2);
    transition: all 0.3s ease;
}

body.site-ai .category-tag.active,
body.site-ai .category-tag:hover {
    background: linear-gradient(135deg, var(--ai-teal), #6366f1) !important;
    border-color: transparent !important;
    box-shadow: 0 4px 16px rgba(13, 148, 136, 0.3);
}

body.site-ai .post-card:hover {
    border-color: rgba(34, 211, 238, 0.35) !important;
    transform: translateY(-3px);
}

/* ─── 论坛发帖/详情 ─── */
body.site-ai .new-post-container,
body.site-ai .detail-container {
    position: relative;
    z-index: 1;
    margin-top: 0;
    padding-top: 2rem;
}

body.site-ai .new-post-card,
body.site-ai .post-detail-card,
body.site-ai .back-btn {
    background: var(--ai-glass);
    backdrop-filter: blur(14px);
    border: 1px solid var(--ai-glass-border);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(15, 23, 42, 0.06);
}

body.site-ai .form-select:focus,
body.site-ai .form-input:focus,
body.site-ai .form-textarea:focus {
    border-color: var(--ai-teal) !important;
    box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15) !important;
}

/* ─── AI 智能体页 ─── */
body.site-ai .ai-page-section {
    background: transparent;
}

body.site-ai .ai-card {
    background: var(--ai-glass);
    backdrop-filter: blur(14px);
    border: 1px solid var(--ai-glass-border);
    box-shadow: 0 8px 32px rgba(15, 23, 42, 0.06);
}

body.site-ai .ai-card:hover {
    border-color: rgba(34, 211, 238, 0.35);
    box-shadow: 0 20px 48px rgba(13, 148, 136, 0.1);
}

body.site-ai .ai-card-icon {
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.12), rgba(129, 140, 248, 0.1));
    border: 1px solid rgba(34, 211, 238, 0.2);
    box-shadow: 0 0 24px rgba(34, 211, 238, 0.1);
}

/* ─── 首页增强 ─── */
body.page-home .home-trust-card {
    background: rgba(255, 255, 255, 0.65);
    border: 1px solid rgba(34, 211, 238, 0.12);
    box-shadow: 0 8px 32px rgba(15, 23, 42, 0.05);
}

body.page-home .home-trust-card:hover {
    border-color: rgba(34, 211, 238, 0.28);
    box-shadow: 0 16px 40px rgba(13, 148, 136, 0.1);
}

body.page-home .roadmap-card {
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(34, 211, 238, 0.1);
}

body.page-home .roadmap-card:hover {
    border-color: rgba(34, 211, 238, 0.3);
    box-shadow: 0 16px 40px rgba(13, 148, 136, 0.1);
}

body.page-home .roadmap-tag {
    background: rgba(34, 211, 238, 0.1);
    color: #0e7490;
    border: 1px solid rgba(34, 211, 238, 0.2);
}

/* ─── 页脚 ─── */
body.site-ai .footer.footer-home {
    position: relative;
    z-index: 1;
}

/* ─── 论坛容器间距 ─── */
body.site-ai .forum-container {
    margin-top: 0;
    padding-top: 2rem;
}

body.site-ai .login-box {
    background: var(--ai-glass);
    backdrop-filter: blur(16px);
    border: 1px solid var(--ai-glass-border);
    box-shadow: 0 20px 60px rgba(15, 23, 42, 0.12);
}

body.site-ai .admin-panel-content {
    background: var(--ai-glass);
    backdrop-filter: blur(16px);
    border: 1px solid var(--ai-glass-border);
}

/* ─── 合作伙伴/业态标签 ─── */
body.site-ai .partner-item {
    background: var(--ai-glass);
    backdrop-filter: blur(14px);
    border: 1px solid var(--ai-glass-border);
    border-radius: 14px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.05);
}

body.site-ai .partner-item:hover {
    transform: translateY(-4px);
    border-color: rgba(34, 211, 238, 0.3);
    box-shadow: 0 16px 36px rgba(13, 148, 136, 0.1);
}

body.site-ai .home-roadmap-section {
    position: relative;
    z-index: 1;
}

body.site-ai .new-post-card,
body.site-ai .post-detail-card {
    padding: 2rem;
}

body.site-ai .back-btn:hover {
    border-color: rgba(34, 211, 238, 0.3);
    color: #0f766e;
}

/* ─── 移动端导航 ─── */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 8px;
    border: 1px solid rgba(15, 23, 42, 0.1);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.9);
    cursor: pointer;
    flex-shrink: 0;
}

.nav-toggle span {
    display: block;
    height: 2px;
    background: #0b1224;
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.navbar.nav-open .nav-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.navbar.nav-open .nav-toggle span:nth-child(2) {
    opacity: 0;
}

.navbar.nav-open .nav-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .navbar .nav-inner {
        flex-wrap: wrap;
    }

    .navbar .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 0.5rem 0 0.75rem;
        border-top: 1px solid rgba(15, 23, 42, 0.06);
        margin-top: 0.5rem;
    }

    .navbar.nav-open .nav-links {
        display: flex;
    }

    .navbar .nav-links a {
        padding: 0.75rem 0.5rem;
        border-radius: 8px;
    }

    .navbar .nav-links a:hover {
        background: rgba(34, 211, 238, 0.08);
    }
}

/* 减少动画 */
@media (prefers-reduced-motion: reduce) {
    body.site-ai .site-page-hero::before {
        animation: none;
    }
}