/* =============================================
   联系我们 - 专属样式（精致升级版）
   ============================================= */

/* ---------- 主体布局 ---------- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: var(--space-4xl);
    align-items: start;
}

@media (max-width: 900px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
}

/* ---------- 联系信息 ---------- */
.contact-info h2 {
    font-size: 1.9rem;
    font-weight: 800;
    color: var(--neutral-900);
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.contact-intro {
    font-size: 0.95rem;
    color: var(--neutral-500);
    line-height: 1.85;
    margin-bottom: var(--space-2xl);
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    transition: transform var(--transition);
}

.contact-item:hover {
    transform: translateX(4px);
}

.ci-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(0, 71, 171, 0.08), rgba(0, 168, 232, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
    transition: all var(--transition);
}

.contact-item:hover .ci-icon {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--white);
    transform: scale(1.05);
}

.ci-icon svg {
    width: 22px;
    height: 22px;
}

.ci-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--neutral-400);
    margin-bottom: 0.3rem;
}

.ci-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--neutral-800);
}

.ci-sub {
    font-size: 0.8rem;
    color: var(--neutral-400);
    margin-top: 0.2rem;
}

/* 业务标签 */
.contact-domains {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--neutral-200);
}

.cd-title {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--neutral-600);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-md);
}

.cd-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.cd-tags span {
    padding: 0.35rem 0.9rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    background: var(--neutral-100);
    color: var(--neutral-600);
    border: 1px solid var(--neutral-200);
    transition: all var(--transition);
    cursor: default;
}

.cd-tags span:hover {
    background: rgba(0, 71, 171, 0.07);
    border-color: rgba(0, 71, 171, 0.2);
    color: var(--primary);
}

/* ---------- 联系表单 ---------- */
.form-card {
    background: var(--white);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.07);
}

.form-header {
    padding: var(--space-xl) var(--space-2xl);
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, #0060c0 100%);
    position: relative;
    overflow: hidden;
}

.form-header::after {
    content: '';
    position: absolute;
    right: -30px;
    top: -30px;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
}

.form-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.35rem;
    position: relative;
    z-index: 1;
}

.form-header p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.62);
    position: relative;
    z-index: 1;
}

.contact-form {
    padding: var(--space-2xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--neutral-700);
}

.required {
    color: #e11d48;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.7rem 1rem;
    border: 1.5px solid var(--neutral-200);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    color: var(--neutral-800);
    background: var(--neutral-50);
    font-family: var(--font-sans);
    transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
    outline: none;
    resize: vertical;
    -webkit-appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(0, 71, 171, 0.09);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--neutral-400);
}

.form-group select {
    cursor: pointer;
}

/* 提交按钮 */
.form-submit .btn {
    width: 100%;
    justify-content: center;
    padding: 0.85rem;
    font-size: 1rem;
    border-radius: var(--radius-lg);
}

/* 成功提示 */
.form-success {
    display: none;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: rgba(16, 185, 129, 0.07);
    border: 1px solid rgba(16, 185, 129, 0.22);
    border-radius: var(--radius-md);
    color: var(--success);
    font-size: 0.9rem;
    font-weight: 600;
}

.form-success svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* ---------- 服务保证 ---------- */
.why-section {
    background: linear-gradient(180deg, #0a0f1e 0%, #111827 100%);
}

.why-section .section-tag {
    color: var(--accent);
    background: rgba(0, 168, 232, 0.1);
    border-color: rgba(0, 168, 232, 0.2);
}

.why-section .section-title {
    color: var(--white);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

@media (max-width: 900px) {
    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 560px) {
    .why-grid {
        grid-template-columns: 1fr;
    }
}

.why-card {
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    background: rgba(255, 255, 255, 0.025);
    transition: all var(--transition);
}

.why-card:hover {
    background: rgba(0, 168, 232, 0.055);
    border-color: rgba(0, 168, 232, 0.22);
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

.wc-num {
    font-size: 2.6rem;
    font-weight: 900;
    color: rgba(0, 168, 232, 0.18);
    line-height: 1;
    margin-bottom: var(--space-md);
    transition: color var(--transition);
    letter-spacing: -0.02em;
}

.why-card:hover .wc-num {
    color: rgba(0, 168, 232, 0.38);
}

.why-card h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.55rem;
}

.why-card p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.45);
    line-height: 1.72;
}
/* ---------- Tencent Docs embedded form ---------- */
.qq-form-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    margin: var(--space-xl) var(--space-2xl) 0;
    padding: 0.75rem 1rem;
    border: 1px solid rgba(0, 120, 210, 0.14);
    border-radius: var(--radius-md);
    color: var(--neutral-600);
    background: rgba(235, 247, 255, 0.78);
    font-size: 0.84rem;
}

.qq-form-actions a {
    flex-shrink: 0;
    padding: 0.55rem 0.9rem;
    border-radius: var(--radius-full);
    color: #fff;
    background: linear-gradient(120deg, #0878d1, #10a7d8);
    font-weight: 700;
    text-decoration: none;
}

.qq-form-shell {
    margin: var(--space-2xl);
    border: 1px solid rgba(0, 71, 171, 0.12);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.qq-form-frame {
    display: block;
    width: 100%;
    min-height: 720px;
    border: 0;
    background: var(--white);
}

.qq-form-note {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: var(--space-md);
    margin: 0 var(--space-2xl) var(--space-2xl);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    background: rgba(0, 168, 232, 0.07);
    color: var(--neutral-600);
    font-size: 0.85rem;
    line-height: 1.7;
}

.contact-form-wrap .form-card {
    position: sticky;
    top: 108px;
}

@media (max-width: 900px) {
    .contact-form-wrap .form-card {
        position: static;
    }
}

@media (max-width: 640px) {
    .qq-form-actions {
        margin: var(--space-lg) var(--space-lg) 0;
        flex-direction: column;
        align-items: stretch;
    }

    .qq-form-actions a {
        text-align: center;
    }

    .qq-form-shell {
        margin: var(--space-lg);
    }

    .qq-form-frame {
        min-height: 680px;
    }

    .qq-form-note {
        margin: 0 var(--space-lg) var(--space-lg);
        flex-direction: column;
        align-items: flex-start;
    }
}
/* ---------- Page-wide dark glass technology skin ---------- */
.section {
    background:
        radial-gradient(circle at 82% 12%, rgba(0, 168, 232, 0.12), transparent 30%),
        linear-gradient(180deg, #07111f 0%, #0a1728 100%) !important;
}

.section:nth-of-type(even) {
    background:
        radial-gradient(circle at 18% 18%, rgba(52, 211, 153, 0.1), transparent 28%),
        linear-gradient(180deg, #081526 0%, #050d19 100%) !important;
}

.section-title,
.contact-info h2,
.ov-card h3,
.dd-header h3,
.adv-card h4,
.mission-card h3,
.timeline-content h4,
.honor-text,
.domain-info h4 {
    color: #f8fbff !important;
}

.section-desc,
.intro-p,
.contact-intro,
.ov-card > p,
.dd-body > p,
.adv-card p,
.mission-card p,
.timeline-content p,
.team-card p,
.ci-sub,
.domain-info p {
    color: rgba(226, 241, 255, 0.68) !important;
}

.badge,
.ov-card,
.domain-detail,
.adv-card,
.mission-card,
.timeline-content,
.honor-item,
.partners-strip,
.partner-item,
.contact-item,
.contact-domains,
.form-card,
.domain-card,
.strategy-card,
.process-step {
    position: relative;
    overflow: hidden;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.035)) !important;
    border-color: rgba(96, 217, 255, 0.16) !important;
    box-shadow: 0 18px 54px rgba(0, 0, 0, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.08) !important;
    backdrop-filter: blur(14px);
}

.badge::before,
.ov-card::before,
.domain-detail::before,
.adv-card::before,
.mission-card::before,
.timeline-content::before,
.honor-item::before,
.partner-item::before,
.contact-item::before,
.form-card::before,
.domain-card::before,
.strategy-card::before,
.process-step::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(120deg, transparent 0%, rgba(96, 217, 255, 0.16) 45%, transparent 72%);
    transform: translateX(-120%);
    transition: transform 0.75s ease;
}

.badge:hover::before,
.ov-card:hover::before,
.domain-detail:hover::before,
.adv-card:hover::before,
.mission-card:hover::before,
.timeline-content:hover::before,
.honor-item:hover::before,
.partner-item:hover::before,
.contact-item:hover::before,
.form-card:hover::before,
.domain-card:hover::before,
.strategy-card:hover::before,
.process-step:hover::before {
    transform: translateX(120%);
}

.ci-value,
.ci-label,
.cd-title,
.cd-tags span,
.ov-list li,
.dd-features span,
.partner-item,
.vc-label,
.honor-text {
    color: rgba(226, 241, 255, 0.78) !important;
}

.section-tag,
.dd-tag,
.tl-year,
.ov-num {
    color: #60d9ff !important;
    opacity: 1;
}

.visual-card,
.form-header,
.why-section,
.team-section,
.tech-section {
    background:
        radial-gradient(circle at 80% 18%, rgba(0, 168, 232, 0.18), transparent 30%),
        linear-gradient(145deg, #061126, #0a1f39) !important;
}

.visual-inner,
.qq-form-shell,
.domain-with-img .dd-gallery,
.domain-img-left .dd-gallery,
.dd-img-card,
.qq-form-note {
    background: rgba(255, 255, 255, 0.075) !important;
    border-color: rgba(96, 217, 255, 0.14) !important;
}

.qq-form-frame {
    background: #fff;
}

.timeline::before {
    box-shadow: 0 0 24px rgba(0, 168, 232, 0.55);
}

.timeline-item::after {
    border-color: #07111f;
    box-shadow: 0 0 0 2px var(--accent), 0 0 24px rgba(0, 168, 232, 0.75);
}
/* ---------- Final readability correction for light and dark sections ---------- */
.reveal-prep {
    opacity: 0.58 !important;
    transform: translate3d(0, 24px, 0) scale(0.995) !important;
    filter: blur(4px) !important;
    clip-path: inset(3% 0 0 0 round 8px) !important;
}

.reveal-prep.reveal-visible,
.animate-on-scroll.visible {
    opacity: 1 !important;
    transform: translate3d(0, 0, 0) scale(1) !important;
    filter: blur(0) !important;
    clip-path: inset(0 0 0 0 round 0) !important;
}

.section-title,
.contact-info h2,
.ov-card h3,
.dd-header h3,
.adv-card h4,
.mission-card h3,
.timeline-content h4,
.honor-text,
.domain-info h4,
.ci-value {
    color: #f8fbff !important;
}

.section-desc,
.intro-p,
.contact-intro,
.ov-card > p,
.dd-body > p,
.adv-card p,
.mission-card p,
.timeline-content p,
.team-card p,
.ci-sub,
.domain-info p,
.why-card p {
    color: rgba(226, 241, 255, 0.76) !important;
}

.ci-label,
.cd-title,
.cd-tags span,
.ov-list li,
.dd-features span,
.partner-item,
.vc-label,
.dd-tag,
.section-tag {
    color: #86e7ff !important;
}
/* ---------- Final visual QA: readable dark pages and micro-geometry ---------- */
.reveal-prep {
    opacity: 0.92 !important;
    transform: translate3d(0, 18px, 0) !important;
    filter: none !important;
    clip-path: none !important;
}

.reveal-prep.reveal-visible,
.animate-on-scroll.visible {
    opacity: 1 !important;
    transform: translate3d(0, 0, 0) !important;
    filter: none !important;
    clip-path: none !important;
}

.section-title,
.contact-info h2,
.ov-card h3,
.dd-header h3,
.adv-card h4,
.mission-card h3,
.timeline-content h4,
.team-card h3,
.why-card h4,
.ci-value {
    color: #f8fbff !important;
}

.section-desc,
.intro-p,
.contact-intro,
.ov-card > p,
.dd-body > p,
.adv-card p,
.mission-card p,
.timeline-content p,
.team-card p,
.why-card p,
.ci-sub {
    color: rgba(226, 241, 255, 0.78) !important;
}

.section-tag,
.dd-tag,
.ci-label,
.cd-title,
.cd-tags span,
.dd-features span,
.ov-list li {
    color: #59d9ff !important;
}

.form-header h3,
.form-header p {
    color: #ffffff !important;
}

.tech-geometry-layer {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 1;
}

.tech-shape {
    position: absolute;
    width: var(--shape-size, 40px);
    height: var(--shape-size, 40px);
    left: var(--shape-x, 50%);
    top: var(--shape-y, 50%);
    opacity: var(--shape-opacity, 0.2);
    transform-style: preserve-3d;
    animation: microFloat var(--shape-duration, 18s) ease-in-out infinite;
    animation-delay: var(--shape-delay, 0s);
    filter: drop-shadow(0 0 12px rgba(0, 168, 232, 0.28));
}

.tech-shape::before,
.tech-shape::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid rgba(96, 217, 255, 0.4);
    background: linear-gradient(135deg, rgba(96, 217, 255, 0.05), rgba(52, 211, 153, 0.02));
}

.tech-shape::after {
    transform: translate3d(8px, -8px, 0) scale(0.72);
    opacity: 0.55;
}

.tech-shape.cube::before,
.tech-shape.cube::after { border-radius: 6px; }
.tech-shape.pyramid::before,
.tech-shape.pyramid::after { clip-path: polygon(50% 0, 100% 88%, 0 88%); }
.tech-shape.diamond::before,
.tech-shape.diamond::after { transform: rotate(45deg); }
.tech-shape.diamond::after { transform: rotate(45deg) translate3d(8px, -8px, 0) scale(0.72); }

@keyframes microFloat {
    0%, 100% { transform: translate3d(0, 0, 0) rotateX(48deg) rotateY(0deg) rotateZ(0deg); }
    33% { transform: translate3d(16px, -20px, 0) rotateX(62deg) rotateY(26deg) rotateZ(16deg); }
    66% { transform: translate3d(-14px, 16px, 0) rotateX(42deg) rotateY(-20deg) rotateZ(-14deg); }
}
/* ---------- Contact left panel refinement ---------- */
.contact-main {
    background:
        radial-gradient(circle at 16% 12%, rgba(0, 168, 232, 0.14), transparent 30%),
        radial-gradient(circle at 86% 82%, rgba(49, 46, 129, 0.18), transparent 34%),
        linear-gradient(135deg, #06111f 0%, #0b1b2d 52%, #070d19 100%) !important;
}

.contact-info {
    padding: clamp(1.2rem, 2.4vw, 2rem);
    border: 1px solid rgba(96, 217, 255, 0.14);
    border-radius: var(--radius-xl);
    background:
        linear-gradient(145deg, rgba(255,255,255,0.09), rgba(255,255,255,0.035)),
        radial-gradient(circle at 18% 0%, rgba(0,168,232,0.16), transparent 32%);
    box-shadow: 0 22px 70px rgba(0, 0, 0, 0.24), inset 0 1px 0 rgba(255,255,255,0.08);
    backdrop-filter: blur(12px);
}

.contact-info h2 {
    font-size: clamp(1.55rem, 2.8vw, 2.25rem);
    line-height: 1.22;
    margin-bottom: 1rem;
}

.contact-intro {
    max-width: 620px;
    margin-bottom: 1.35rem;
}

.contact-items {
    gap: 0.9rem;
    margin-bottom: 1.35rem;
}

.contact-item {
    min-height: 92px;
    align-items: center;
    padding: 1rem 1.1rem;
    border: 1px solid rgba(96, 217, 255, 0.12);
    border-radius: var(--radius-lg);
    background: linear-gradient(90deg, rgba(255,255,255,0.09), rgba(255,255,255,0.035));
}

.contact-item:hover {
    transform: translateX(0) translateY(-3px);
    border-color: rgba(96, 217, 255, 0.28) !important;
    background: linear-gradient(90deg, rgba(0,168,232,0.12), rgba(255,255,255,0.045)) !important;
}

.ci-icon {
    width: 54px;
    height: 54px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(0,168,232,0.16), rgba(49,46,129,0.18));
}

.ci-value {
    font-size: clamp(1rem, 1.9vw, 1.35rem);
    line-height: 1.35;
}

.contact-domains {
    padding: 1rem 1.1rem;
    border: 1px solid rgba(96, 217, 255, 0.12);
    border-radius: var(--radius-lg);
    background: rgba(255,255,255,0.045);
}

.cd-tags span {
    background: rgba(0,168,232,0.08) !important;
    border-color: rgba(96,217,255,0.18) !important;
}
/* ---------- Contact icon color clarity ---------- */
.ci-icon {
    background: linear-gradient(135deg, rgba(0, 168, 232, 0.32), rgba(53, 211, 255, 0.16)) !important;
    border: 1px solid rgba(96, 217, 255, 0.28);
    color: #7ee7ff !important;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.12), 0 10px 28px rgba(0,168,232,0.12);
}

.ci-icon svg {
    stroke: #7ee7ff !important;
    filter: drop-shadow(0 0 7px rgba(126, 231, 255, 0.42));
}

.contact-item:hover .ci-icon {
    background: linear-gradient(135deg, #00a8e8, #34d399) !important;
    color: #ffffff !important;
    border-color: rgba(255,255,255,0.28);
}

.contact-item:hover .ci-icon svg {
    stroke: #ffffff !important;
    filter: drop-shadow(0 0 8px rgba(255,255,255,0.45));
}