/* =========================
   About Page
========================= */

:root {
    --about-red: #f43b2a;
    --about-text: #2f2f2f;
    --about-gray: #666;
    --about-border: #e5e5e5;

    /* 替换成你的实际图片路径 */
    --about-vision-image: url("//wm.cdn.cn86.cn/raiscomwmy/2026/07/e1350e2675dvbdjm.jpg");
    --about-contact-image: url("//wm.cdn.cn86.cn/raiscomwmy/2026/07/73b1d7418f9l86hz.jpg");
}

* {
    box-sizing: border-box;
}

.max1520 {
    width: min(1520px, calc(100% - 80px));
    margin: 0 auto;
}

.about1 img,
.about3 img {
    display: block;
    width: 100%;
}

.about1 a,
.about3 a,
.about4 a {
    color: inherit;
    text-decoration: none;
}

/* =========================
   About 1
========================= */

.about1 {
    padding: 125px 0 120px;
    background: #fff;
}

.about1 .max1520 {
    display: grid;
    grid-template-columns: minmax(0, 620px) minmax(0, 1fr);
    align-items: center;
    gap: 0 clamp(60px, 5.729vw, 110px);
}

.about1-left .img {
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
}

.about1-left .img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about1-right {
    max-width: 790px;
}

.about1-right .p1 {
    margin-bottom: 45px;
    color: var(--about-text);
    font-size: clamp(34px, 2.6vw, 50px);
    line-height: 1.18;
    font-weight: 700;
}

.about1-right .p1 p,
.about1-right .p2 p {
    margin: 0;
}

.about1-right .p1 strong,
.about1-right .p1 em,
.about1-right .p1 span {
    color: var(--about-red);
    font-style: normal;
}

.about1-right .p2 {
    color: var(--about-gray);
    font-size: 18px;
    line-height: 1.7;
}

.about1-right .p2 p + p {
    margin-top: 28px;
}

/* =========================
   About 2
========================= */

.about2 {
    position: relative;
    min-height: 710px;
    display: flex;
    align-items: center;
    overflow: hidden;
    color: #fff;
    background: var(--about-vision-image) center / cover no-repeat;
}

.about2 .max1520 {
    position: relative;
    z-index: 1;
}

.about2-p1 {
    margin-bottom: 48px;
    font-size: clamp(38px, 2.8125vw, 50px);
    line-height: 1.2;
    font-weight: 700;
}

.about2-p2 {
    width: min(800px, 58%);
    font-size: 18px;
    line-height: 2;
}

.about2-p2 p {
    margin: 0;
}

/* =========================
   About 3
========================= */

.about3 {
    padding: 110px 0 135px;
    background: #fff;
}

.about3-title {
    margin-bottom: 72px;
    text-align: center;
}

.about3-title h3 {
    margin: 0;
    color: var(--about-text);
    font-size: clamp(36px, 2.8125vw, 48px);
    line-height: 1.2;
    font-weight: 700;
}

.about3-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 40px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.about3-list li {
    min-width: 0;
}

.about3-list li a {
    display: block;
    height: 100%;
    overflow: hidden;
    border: 1px solid var(--about-border);
    border-radius: 8px;
    background: #fff;
    transition:
        border-color 0.3s ease,
        box-shadow 0.3s ease,
        transform 0.3s ease;
}

.about3-list li a:hover {
    border-color: rgba(244, 59, 42, 0.35);
    box-shadow: 0 8px 28px rgba(244, 59, 42, 0.13);
    transform: translateY(-5px);
}

.about3-list .img {
    margin: 16px 16px 0;
    aspect-ratio: 1.67 / 1;
    overflow: hidden;
    background: #eee;
}

.about3-list .img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.55s ease;
}

.about3-list li a:hover .img img {
    transform: scale(1.045);
}

.about3-list .text {
    padding: 38px 40px 52px;
}

.about3-list .text h3 {
    margin: 0 0 20px;
    color: var(--about-text);
    font-size: 24px;
    line-height: 1.35;
    font-weight: 700;
    transition: color 0.3s ease;
}

.about3-list li a:hover .text h3 {
    color: var(--about-red);
}

.about3-list .text > div {
    color: var(--about-gray);
    font-size: 18px;
    line-height: 1.5;
}

/* =========================
   About 4
========================= */

.about4 {
    padding-bottom: 140px;
    background: #fff;
}

.about4 .max1520 {
    position: relative;
    min-height: 330px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    overflow: hidden;
    padding: 60px 80px;
    border-radius: 20px;
    background: var(--about-contact-image) center / cover no-repeat;
    box-shadow: 0 8px 24px rgba(15, 37, 58, 0.16);
}

.about4 .max1520::before {
    position: absolute;
    inset: 0;
    z-index: 0;
    content: "";
    background: linear-gradient(90deg,
        rgba(229, 242, 251, 0.94) 0%,
        rgba(229, 242, 251, 0.67) 38%,
        rgba(229, 242, 251, 0.05) 72%
    );
}

.about4-p1,
.about4-p2 {
    position: relative;
    z-index: 1;
}

.about4-p1 {
    max-width: 680px;
    margin-bottom: 42px;
    color: var(--about-text);
    font-size: clamp(26px, 1.66vw, 34px);
    line-height: 1.35;
    font-weight: 700;
}

.about4-p2 a {
    min-width: 180px;
    height: 58px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 30px;
    border-radius: 4px;
    border: 1px solid var(--about-red);
    background: var(--about-red);
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    transition:
        color 0.3s ease,
        background-color 0.3s ease;
}

.about4-p2 a:hover {
    background: #fff;
    color: var(--about-red);
}

/* =========================
   Responsive - Laptop
========================= */

@media (max-width: 1280px) {
    .max1520 {
        width: min(100% - 60px, 1120px);
    }

    .about1 {
        padding: 90px 0;
    }

    .about1 .max1520 {
        grid-template-columns: minmax(0, 46%) minmax(0, 54%);
        gap: 60px;
    }

    .about2 {
        min-height: 600px;
    }

    .about3-list {
        gap: 25px;
    }

    .about3-list .text {
        padding: 30px 28px 42px;
    }

    .about4 .max1520 {
        padding: 55px 60px;
    }
}

/* =========================
   Responsive - Tablet
========================= */

@media (max-width: 991px) {
    .max1520 {
        width: calc(100% - 48px);
    }

    .about1 {
        padding: 70px 0;
    }

    .about1 .max1520 {
        grid-template-columns: minmax(0, 42%) minmax(0, 58%);
        gap: 40px;
    }

    .about1-right .p1 {
        margin-bottom: 28px;
        font-size: 34px;
    }

    .about1-right .p2 {
        font-size: 14px;
        line-height: 1.8;
    }

    .about1-right .p2 p + p {
        margin-top: 20px;
    }

    .about2 {
        min-height: 520px;
    }

    .about2-p2 {
        width: 70%;
    }

    .about3 {
        padding: 80px 0 95px;
    }

    .about3-title {
        margin-bottom: 50px;
    }

    .about3-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .about4 {
        padding-bottom: 90px;
    }

    .about4 .max1520 {
        min-height: 280px;
    }
}

/* =========================
   Responsive - Mobile
========================= */

@media (max-width: 767px) {
    .max1520 {
        width: calc(100% - 32px);
    }

    .about1 {
        padding: 50px 0 60px;
    }

    .about1 .max1520 {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 38px;
    }

    .about1-left .img {
        aspect-ratio: 1.08 / 1;
    }

    .about1-right {
        max-width: none;
    }

    .about1-right .p1 {
        margin-bottom: 24px;
        font-size: 30px;
        letter-spacing: -0.5px;
    }

    .about1-right .p2 {
        font-size: 14px;
        line-height: 1.8;
    }

    .about2 {
        min-height: 520px;
        align-items: flex-end;
        padding: 70px 0;
        background-position: 62% center;
    }

    .about2::before {
        background: linear-gradient(
            90deg,
            rgba(8, 17, 29, 0.82),
            rgba(8, 17, 29, 0.48)
        );
    }

    .about2-p1 {
        margin-bottom: 28px;
        font-size: 32px;
    }

    .about2-p2 {
        width: 100%;
        font-size: 14px;
        line-height: 1.8;
    }

    .about3 {
        padding: 65px 0 75px;
    }

    .about3-title {
        margin-bottom: 38px;
    }

    .about3-title h3 {
        font-size: 32px;
    }

    .about3-list {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .about3-list .img {
        margin: 10px 10px 0;
    }

    .about3-list .text {
        padding: 25px 24px 32px;
    }

    .about3-list .text h3 {
        margin-bottom: 14px;
        font-size: 20px;
    }

    .about4 {
        padding-bottom: 70px;
    }

    .about4 .max1520 {
        min-height: 300px;
        padding: 42px 28px;
        border-radius: 12px;
        background-position: 60% center;
    }

    .about4 .max1520::before {
        background: linear-gradient(
            90deg,
            rgba(229, 242, 251, 0.96),
            rgba(229, 242, 251, 0.72) 68%,
            rgba(229, 242, 251, 0.35)
        );
    }

    .about4-p1 {
        max-width: 90%;
        margin-bottom: 30px;
        font-size: 24px;
    }

    .about4-p1 br {
        display: none;
    }

    .about4-p2 a {
        min-width: 150px;
        height: 50px;
    }
}

/* =========================
   Responsive - Small Mobile
========================= */

@media (max-width: 480px) {
    .max1520 {
        width: calc(100% - 24px);
    }

    .about1-right .p1,
    .about2-p1,
    .about3-title h3 {
        font-size: 28px;
    }

    .about2 {
        min-height: 480px;
    }

    .about3-list .text {
        padding: 22px 20px 28px;
    }

    .about4 .max1520 {
        min-height: 270px;
        padding: 35px 22px;
    }

    .about4-p1 {
        max-width: 100%;
        font-size: 21px;
    }
}