/* -------------------------------------------------------------------
 * About - 关于我们
 * About.jsx 相关样式
------------------------------------------------------------------- */

/* Light Pillar 背景：铺满整页，内容叠在上方 */
.about-page-with-pillar {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
}

.about-pillar-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.about-page-content {
    position: relative;
    z-index: 1;
    padding-top: 2rem;
    padding-bottom: 3rem;
}

/* 内容区域宽度限制并左对齐，文字下边距 20px */
.about-page .section-heading {
    max-width: 1600px;
    margin-left: 0;
    margin-right: auto;
    margin-bottom: 0;
}

.about-page .section-heading .section-title {
    color: #fff;
    text-align: center;
}

.about-page .section-heading p {
    color: #cccfcc;
    font-size: 18px;
    line-height: 1.8;
    text-align: left;
    margin-top: 20px;
    margin-bottom: 20px;
}

/* 关于我们 - 下方环形画廊（IP 图片），与上方文字间距比默认小 50px */
/* 左右渐变遮罩（参考 Logo Loop .logoloop--fade），宽度用 --about-gallery-fade-width 调节 */
.about-page-gallery-wrap {
    position: relative;
    z-index: 1;
    margin-top: calc(2rem);
    width: 100%;
    --about-gallery-fade-width: clamp(40px, 10%, 180px);
}

.about-page-gallery-wrap::before,
.about-page-gallery-wrap::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: var(--about-gallery-fade-width);
    pointer-events: none;
    z-index: 10;
}

.about-page-gallery-wrap::before {
    left: 0;
    background: linear-gradient(to right,
            rgba(0, 0, 0, 0.9) 0%,
            rgba(0, 0, 0, 0) 100%);
}

.about-page-gallery-wrap::after {
    right: 0;
    background: linear-gradient(to left,
            rgba(0, 0, 0, 0.9) 0%,
            rgba(0, 0, 0, 0) 100%);
}

/* -------------------------------------------------------------------
 * 商务联系 - 深色现代科技风格
------------------------------------------------------------------- */
.about-page-contact-wrap {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 900px;
    margin: 3rem auto 4rem;
    padding: 0 1.5rem;
}

.about-contact-box {
    background: linear-gradient(145deg, rgba(18, 18, 28, 0.92) 0%, rgba(12, 12, 22, 0.96) 100%);
    border: 1px solid rgba(82, 39, 255, 0.35);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.04) inset;
    padding: 2.5rem 2rem;
}

.about-contact-title {
    color: #fff;
    font-size: 1.75rem;
    font-weight: 700;
    text-align: center;
    margin: 0 0 0.75rem;
    letter-spacing: 0.02em;
}

.about-contact-subtitle {
    color: rgba(204, 207, 204, 0.9);
    font-size: 0.95rem;
    line-height: 1.6;
    text-align: center;
    margin: 0 0 2rem;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.about-contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.about-contact-field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.about-contact-label {
    color: rgba(230, 232, 230, 0.95);
    font-size: 0.9rem;
    font-weight: 500;
}

.about-contact-required {
    color: #ef4444;
    margin-left: 2px;
}

.about-contact-input,
.about-contact-textarea {
    background: rgba(30, 30, 42, 0.8);
    border: 1px solid rgba(82, 39, 255, 0.25);
    border-radius: 10px;
    color: #fff;
    font-size: 0.95rem;
    padding: 0.65rem 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.about-contact-input::placeholder,
.about-contact-textarea::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

.about-contact-input:focus,
.about-contact-textarea:focus {
    outline: none;
    border-color: rgba(82, 39, 255, 0.6);
    box-shadow: 0 0 0 3px rgba(82, 39, 255, 0.15);
}

.about-contact-textarea {
    resize: vertical;
    min-height: 100px;
}

.about-contact-count {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    text-align: right;
    margin-top: 0.25rem;
}

.about-contact-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
}

.about-contact-radios {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 1.5rem;
}

.about-contact-radio-wrap {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(230, 232, 230, 0.95);
    font-size: 0.9rem;
    cursor: pointer;
}

.about-contact-radio-wrap input {
    accent-color: #5227FF;
    width: 1.1em;
    height: 1.1em;
}

.about-contact-msg {
    font-size: 0.9rem;
    margin: 0;
}

.about-contact-msg.success {
    color: #6ee7a3;
}

.about-contact-msg.error {
    color: #f87171;
}

.about-contact-submit {
    align-self: center;
    background: linear-gradient(135deg, #5227FF 0%, #7c3aed 100%);
    border: none;
    border-radius: 10px;
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    padding: 0.75rem 2.5rem;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.15s, box-shadow 0.2s;
    margin-top: 0.5rem;
}

.about-contact-submit:hover:not(:disabled) {
    opacity: 0.95;
    box-shadow: 0 4px 20px rgba(82, 39, 255, 0.45);
}

.about-contact-submit:active:not(:disabled) {
    transform: scale(0.98);
}

.about-contact-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* -------------------------------------------------------------------
 * 手机端：无背景动画、无中间图片动画、重新布局
------------------------------------------------------------------- */
html.mobile .about-page-with-pillar {
    min-height: auto;
    overflow: visible;
    background: #0d0d12;
}

html.mobile .about-page-content {
    padding-top: 1.25rem;
    padding-bottom: 1.5rem;
    padding-left: 16px;
    padding-right: 16px;
}

html.mobile .about-page .section-heading {
    max-width: 100%;
}

html.mobile .about-page .section-heading .section-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

html.mobile .about-page .section-heading p {
    font-size: 0.9rem;
    line-height: 1.75;
    margin-top: 12px;
    margin-bottom: 12px;
}

html.mobile .about-page-contact-wrap {
    margin-top: 1.5rem;
    margin-bottom: 2rem;
    padding-left: 16px;
    padding-right: 16px;
}

html.mobile .about-contact-box {
    padding: 1.5rem 1.25rem;
}

html.mobile .about-contact-title {
    font-size: 1.35rem;
    margin-bottom: 0.5rem;
}

html.mobile .about-contact-subtitle {
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

html.mobile .about-contact-form {
    gap: 1rem;
}

html.mobile .about-contact-row {
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

html.mobile .about-contact-radios {
    gap: 0.75rem 1rem;
}

html.mobile .about-contact-submit {
    width: 100%;
    max-width: 280px;
    padding: 0.7rem 1.5rem;
}

/* 手机端：输入框/文本框 font-size ≥16px，防止 iOS Safari 聚焦时自动放大整页（与提取码输入一致） */
html.mobile .about-contact-input,
html.mobile .about-contact-textarea {
    font-size: 16px !important;
}

/* 手机端：知识产权图片区块 - 高新独占一行，其余一行4张 */
.about-page-ip-mobile {
    padding: 1.5rem 16px 2rem;
    max-width: 100%;
}

.about-page-ip-mobile-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #fff;
    margin: 0 0 1rem;
    text-align: center;
}

.about-page-ip-mobile-high-tech {
    width: 100%;
    margin-bottom: 1.25rem;
}

.about-page-ip-mobile-high-tech img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    object-fit: contain;
    background: rgba(255,255,255,0.06);
}

.about-page-ip-mobile-high-tech .about-page-ip-mobile-caption {
    display: block;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.8);
    margin-top: 0.5rem;
}

.about-page-ip-mobile-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.about-page-ip-mobile-item {
    overflow: hidden;
    border-radius: 6px;
    background: rgba(255,255,255,0.06);
}

.about-page-ip-mobile-item img {
    width: 100%;
    height: auto;
    display: block;
    vertical-align: top;
    object-fit: contain;
}