/* ===== 腾讯WorkBuddy 页面样式 ===== */

/* Hero */
.wb-hero {
    position: relative;
    padding: 140px 20px 80px;
    background: linear-gradient(135deg, #1a2a42 0%, #0d1b2a 100%);
    overflow: hidden;
}

.wb-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 15% 40%, rgba(46, 140, 254, 0.18) 0%, transparent 50%),
        radial-gradient(circle at 85% 25%, rgba(0, 198, 255, 0.12) 0%, transparent 50%);
    z-index: 1;
}

.wb-hero-inner {
    position: relative;
    z-index: 2;
    max-width: 960px;
    margin: 0 auto;
    text-align: center;
    color: #fff;
}

.wb-hero-badge {
    display: inline-block;
    padding: 6px 18px;
    border: 1px solid rgba(46, 140, 254, 0.6);
    border-radius: 999px;
    background: rgba(46, 140, 254, 0.12);
    color: #7db8ff;
    font-size: 14px;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.wb-hero h1 {
    font-size: 44px;
    font-weight: 700;
    margin: 0 0 18px;
    letter-spacing: 1px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.wb-hero-sub {
    max-width: 720px;
    margin: 0 auto 30px;
    font-size: 16px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.82);
}

.wb-hero-cta {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.wb-btn {
    display: inline-block;
    padding: 13px 34px;
    border-radius: 999px;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.25s ease;
}

.wb-btn-primary {
    background: #2E8CFE;
    color: #fff;
    box-shadow: 0 6px 20px rgba(46, 140, 254, 0.4);
}

.wb-btn-primary:hover {
    background: #1f7ae8;
    transform: translateY(-2px);
}

.wb-btn-ghost {
    border: 1px solid rgba(255, 255, 255, 0.45);
    color: #fff;
}

.wb-btn-ghost:hover {
    background: rgba(255, 255, 255, 0.12);
}

.wb-hero-video {
    margin: 44px auto 0;
    max-width: 860px;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.wb-hero-video video {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #000;
}

/* 通用 Section */
.wb-section {
    padding: 80px 20px;
}

.wb-section-alt {
    background: #f6f9fd;
}

.wb-container {
    max-width: 1200px;
    margin: 0 auto;
}

.wb-container-narrow {
    max-width: 860px;
}

.wb-section-title {
    text-align: center;
    font-size: 32px;
    color: #1f2d3d;
    margin: 0 0 14px;
    font-weight: 700;
}

.wb-section-desc {
    text-align: center;
    color: #7a8aa0;
    font-size: 16px;
    margin: 0 auto 48px;
    max-width: 640px;
    line-height: 1.7;
}

/* 卡片 */
.wb-card {
    background: #fff;
    border: 1px solid #edf2f9;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.04);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.wb-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(46, 140, 254, 0.12);
}

/* 身份背书 */
.wb-identity-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.wb-identity-card {
    text-align: center;
}

.wb-identity-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: rgba(46, 140, 254, 0.1);
    color: #2E8CFE;
    margin-bottom: 18px;
}

.wb-identity-card h3 {
    font-size: 20px;
    color: #1f2d3d;
    margin: 0 0 12px;
}

.wb-identity-card p {
    color: #5b6b80;
    font-size: 15px;
    line-height: 1.8;
    margin: 0;
}

/* 核心能力 */
.wb-feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.wb-feature-card h3 {
    font-size: 18px;
    color: #1f2d3d;
    margin: 0 0 10px;
    padding-left: 14px;
    border-left: 3px solid #2E8CFE;
}

.wb-feature-card p {
    color: #5b6b80;
    font-size: 15px;
    line-height: 1.8;
    margin: 0;
}

/* 生态徽章 */
.wb-eco-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

.wb-eco-chip {
    padding: 12px 28px;
    background: #fff;
    border: 1px solid #dce7f5;
    border-radius: 999px;
    color: #2c3e50;
    font-size: 16px;
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(46, 140, 254, 0.06);
    transition: all 0.25s ease;
}

.wb-eco-chip:hover {
    border-color: #2E8CFE;
    color: #2E8CFE;
    transform: translateY(-2px);
}

/* 场景 */
.wb-scene-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.wb-scene-item {
    background: #fff;
    border: 1px solid #edf2f9;
    border-radius: 12px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: border-color 0.25s ease, transform 0.25s ease;
}

.wb-scene-item:hover {
    border-color: rgba(46, 140, 254, 0.5);
    transform: translateY(-3px);
}

.wb-scene-item strong {
    color: #1f2d3d;
    font-size: 17px;
}

.wb-scene-item span {
    color: #5b6b80;
    font-size: 14px;
    line-height: 1.7;
}

/* 服务 */
.wb-service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.wb-service-card {
    position: relative;
    overflow: hidden;
}

.wb-service-num {
    display: block;
    font-size: 40px;
    font-weight: 800;
    color: rgba(46, 140, 254, 0.15);
    margin-bottom: 8px;
    line-height: 1;
}

.wb-service-card h3 {
    font-size: 17px;
    color: #1f2d3d;
    margin: 0 0 10px;
}

.wb-service-card p {
    color: #5b6b80;
    font-size: 14px;
    line-height: 1.8;
    margin: 0;
}

/* 交付流程 */
.wb-process {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 18px;
    position: relative;
}

.wb-process::before {
    content: '';
    position: absolute;
    top: 7px;
    left: 5%;
    right: 5%;
    height: 2px;
    background: linear-gradient(90deg, rgba(46, 140, 254, 0.15), rgba(46, 140, 254, 0.6), rgba(46, 140, 254, 0.15));
}

.wb-process-step {
    text-align: center;
    position: relative;
}

.wb-process-dot {
    display: block;
    width: 16px;
    height: 16px;
    margin: 0 auto 16px;
    border-radius: 50%;
    background: #2E8CFE;
    border: 3px solid #fff;
    box-shadow: 0 0 0 2px rgba(46, 140, 254, 0.35);
}

.wb-process-step h3 {
    font-size: 16px;
    color: #1f2d3d;
    margin: 0 0 8px;
}

.wb-process-step p {
    color: #7a8aa0;
    font-size: 13px;
    line-height: 1.7;
    margin: 0;
}

/* FAQ */
.wb-faq {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.wb-faq-item {
    background: #fff;
    border: 1px solid #edf2f9;
    border-radius: 10px;
    padding: 4px 24px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.03);
}

.wb-faq-item summary {
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: #1f2d3d;
    padding: 16px 0;
    list-style: none;
    position: relative;
    padding-right: 32px;
}

.wb-faq-item summary::-webkit-details-marker {
    display: none;
}

.wb-faq-item summary::after {
    content: '+';
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 22px;
    color: #2E8CFE;
    transition: transform 0.25s ease;
}

.wb-faq-item[open] summary::after {
    content: '−';
}

.wb-faq-item p {
    color: #5b6b80;
    font-size: 15px;
    line-height: 1.8;
    margin: 0 0 18px;
}

/* 底部 CTA */
.wb-cta {
    padding: 80px 20px;
    background: linear-gradient(135deg, #1a2a42 0%, #0d1b2a 100%);
    text-align: center;
    color: #fff;
}

.wb-cta h2 {
    font-size: 32px;
    margin: 0 0 14px;
}

.wb-cta p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0 0 32px;
    font-size: 16px;
}

/* 响应式 */
@media (max-width: 992px) {
    .wb-identity-grid,
    .wb-feature-grid,
    .wb-scene-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .wb-service-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .wb-process {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }
    .wb-process::before {
        display: none;
    }
}

@media (max-width: 768px) {
    .wb-hero {
        padding: 110px 20px 56px;
    }
    .wb-hero h1 {
        font-size: 28px;
    }
    .wb-hero-sub {
        font-size: 14px;
    }
    .wb-btn {
        padding: 11px 26px;
        font-size: 14px;
    }
    .wb-section {
        padding: 52px 20px;
    }
    .wb-section-title {
        font-size: 24px;
    }
    .wb-identity-grid,
    .wb-feature-grid,
    .wb-scene-grid,
    .wb-service-grid,
    .wb-process {
        grid-template-columns: 1fr;
    }
    .wb-eco-chip {
        padding: 10px 20px;
        font-size: 14px;
    }
    .wb-cta h2 {
        font-size: 24px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .wb-card,
    .wb-scene-item,
    .wb-eco-chip,
    .wb-btn {
        transition: none;
    }
}