/* ============ 联系我们页面专属样式 ============ */

.dot-bg {
    background-image: radial-gradient(circle, #bfdbfe 0.8px, transparent 0.8px);
    background-size: 26px 26px; opacity: 0.28;
    mask-image: radial-gradient(ellipse 65% 55% at 50% 38%, black 20%, transparent 68%);
    -webkit-mask-image: radial-gradient(ellipse 65% 55% at 50% 38%, black 20%, transparent 68%);
}

.soft-glow { opacity: 0.10; }
.soft-glow.glow-top { width: 550px; height: 550px; background: #3b82f6; top: -180px; right: -120px; }
.soft-glow.glow-bottom { width: 450px; height: 450px; background: #8b5cf6; bottom: -160px; left: -100px; opacity: 0.07; }

.navbar {
    background: rgba(255,255,255,0.78);
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    border-bottom: 1px solid rgba(226,232,240,0.5);
}
.nav-brand { font-size: 1.3rem; }
.nav-logo { background: linear-gradient(135deg, #2563eb, #1d4ed8); border-radius: 8px; }
.nav-links { gap: 4px; }
.nav-links a { font-size: 0.88rem; }
.nav-cta { box-shadow: 0 2px 8px rgba(37,99,235,0.25); }

/* 容器 */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }

/* Hero */
.hero-contact { text-align: center; padding: 80px 24px 20px; position: relative; z-index: 1; }
.hero-contact .overline {
    display: inline-block; font-size: 0.78rem; font-weight: 700; letter-spacing: 2px;
    text-transform: uppercase; color: var(--blue-600); background: var(--blue-50);
    padding: 5px 16px; border-radius: var(--radius-full); margin-bottom: 20px;
}
.hero-contact h1 {
    font-size: clamp(2.4rem, 5.5vw, 3.6rem); font-weight: 800;
    letter-spacing: -1.5px; line-height: 1.1; margin-bottom: 14px; color: var(--text-slate-900);
}
.hero-contact h1 .gradient-text {
    background: linear-gradient(135deg, #2563eb 0%, #6366f1 40%, #06b6d4 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; color: transparent;
}
.hero-contact .subtitle { font-size: 1.08rem; color: var(--text-slate-500); max-width: 520px; margin: 0 auto; line-height: 1.65; }

/* 联系方式网格 */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; padding: 40px 0 30px; position: relative; z-index: 1; }
.contact-card {
    background: #fff; border: 1px solid #e8ecf1; border-radius: var(--radius-xl);
    padding: 32px 28px; transition: all 0.35s; position: relative;
    overflow: hidden; display: flex; flex-direction: column; gap: 14px;
}
.contact-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-xl); border-color: #cbd5e1; }
.contact-card::after {
    content: ''; position: absolute; top: -40px; right: -40px; width: 120px; height: 120px;
    border-radius: 50%; opacity: 0.06; pointer-events: none; transition: all 0.4s;
}
.contact-card.card-qq::after { background: #2563eb; }
.contact-card.card-wechat::after { background: #10b981; }
.contact-card.card-email::after { background: #f59e0b; }
.contact-card:hover::after { transform: scale(1.5); opacity: 0.10; }
.card-icon-wrap { width: 52px; height: 52px; border-radius: 16px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.card-icon-wrap.icon-qq { background: #eff6ff; color: #2563eb; }
.card-icon-wrap.icon-wechat { background: #ecfdf5; color: #10b981; }
.card-icon-wrap.icon-email { background: #fffbeb; color: #d97706; }
.contact-card h3 { font-size: 1.15rem; font-weight: 700; color: var(--text-slate-900); letter-spacing: -0.2px; }
.contact-card .contact-value { font-size: 1.05rem; font-weight: 600; color: var(--text-slate-700); word-break: break-all; }
.contact-card .contact-value a { color: var(--blue-600); text-decoration: none; transition: color 0.2s; }
.contact-card .contact-value a:hover { color: var(--blue-700); text-decoration: underline; }
.contact-card .contact-hint { font-size: 0.82rem; color: var(--text-slate-400); line-height: 1.5; }
.contact-card .divider-line { width: 40px; height: 2px; border-radius: 2px; background: #e2e8f0; }

/* 留言表单 */
.message-section { padding: 10px 0 50px; position: relative; z-index: 1; }
.message-card { background: #fff; border: 1px solid #e8ecf1; border-radius: var(--radius-2xl); padding: 40px 36px; box-shadow: var(--shadow-md); transition: box-shadow 0.3s; }
.message-card:hover { box-shadow: var(--shadow-lg); }
.message-card h2 { font-size: 1.5rem; font-weight: 700; margin-bottom: 8px; color: var(--text-slate-900); text-align: center; }
.form-subtitle { text-align: center; color: var(--text-slate-500); font-size: 0.9rem; margin-bottom: 28px; }
.form-row { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 18px; }
.form-group { flex: 1 1 220px; display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--text-slate-700); }
.form-group input,
.form-group textarea {
    font-family: var(--font-sans); font-size: 0.9rem; padding: 12px 16px;
    border: 1px solid #e2e8f0; border-radius: var(--radius-md); outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: #fafbfc; color: var(--text-slate-900);
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--blue-400); box-shadow: 0 0 0 3px rgba(59,130,246,0.1); background: #fff; }
.form-group textarea { resize: vertical; min-height: 120px; }
.submit-btn {
    background: var(--blue-600); color: #fff; font-weight: 600; font-size: 0.95rem;
    padding: 14px 32px; border: none; border-radius: var(--radius-full); cursor: pointer;
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 8px 20px rgba(37,99,235,0.25);
    display: inline-flex; align-items: center; gap: 8px; margin-top: 8px;
}
.submit-btn:hover { background: var(--blue-700); transform: translateY(-2px); box-shadow: 0 12px 28px rgba(37,99,235,0.35); }
.submit-btn:active { transform: translateY(0); }
.form-footer { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; margin-top: 4px; }
.form-note { font-size: 0.8rem; color: var(--text-slate-400); }

/* 公司信息条 */
.company-bar {
    background: linear-gradient(135deg, #f8fafc 0%, #eff6ff 100%);
    border: 1px solid #e2e8f0; border-radius: var(--radius-xl);
    padding: 22px 28px; display: flex; align-items: center; justify-content: center;
    flex-wrap: wrap; gap: 16px; text-align: center; color: var(--text-slate-700);
    font-size: 0.92rem; box-shadow: var(--shadow-sm);
    position: relative; z-index: 1; margin-bottom: 60px;
}
.company-bar .company-name { font-weight: 700; color: var(--text-slate-900); }
.company-bar .sep { color: #cbd5e1; font-weight: 300; }
.company-bar a { color: var(--blue-600); text-decoration: none; font-weight: 600; }
.company-bar a:hover { text-decoration: underline; }

/* Toast */
.toast {
    position: fixed; bottom: 32px; left: 50%; transform: translateX(-50%) translateY(80px);
    background: #1e293b; color: #fff; padding: 10px 24px; border-radius: 40px;
    font-size: 0.9rem; font-weight: 500; z-index: 200; pointer-events: none;
    transition: transform 0.35s cubic-bezier(0.4,0,0.2,1); white-space: nowrap;
}
.toast.show { transform: translateX(-50%) translateY(0); }

@media (max-width: 768px) {
    .hero-contact { padding: 50px 16px 10px; }
    .hero-contact h1 { font-size: 2rem; }
    .contact-grid { grid-template-columns: 1fr; gap: 14px; }
    .contact-card { padding: 24px 20px; }
    .message-card { padding: 28px 20px; }
    .company-bar { flex-direction: column; gap: 8px; padding: 18px 20px; }
}