/* =========================================================
   Engineering Header
   成都中材中原工程有限责任公司
========================================================= */

.engineering-header {
    position: relative;
    z-index: 1000;
}


/* =========================
   Header
========================= */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;

    height: 76px;

    background: #ffffff;

    border-bottom: 1px solid #eef2f5;

    z-index: 9999;

    transition: all .3s ease;
}


.header-container {
    width: 1280px;
    max-width: calc(100% - 80px);

    height: 100%;

    margin: 0 auto;

    display: flex;
    align-items: center;
}


/* =========================
   Logo
========================= */

.site-logo {
    display: flex;

    align-items: center;

    flex-shrink: 0;

    color: #183b59;

    text-decoration: none;

    /* 增加Logo右侧间距，拉开与菜单的距离 */
    margin-right: 150px;
}


.logo-symbol {
    width: 60px;
    height: 60px;

    margin-right: 14px;

    display: flex;
    align-items: center;
    justify-content: center;

    background: transparent;
}

.logo-symbol img {
    width: 60px;
    height: 60px;

    object-fit: contain;
}


.logo-info {
    display: flex;

    flex-direction: column;
}


.logo-title {
    font-size: 18px;

    font-weight: 700;

    line-height: 1.3;

    color: #1a3a5c;

    white-space: nowrap;
}


.logo-subtitle {
    margin-top: 1px;

    font-size: 9px;

    line-height: 1.3;

    color: #aab5bf;

    letter-spacing: 1.2px;

    white-space: nowrap;
}


/* =========================
   Navigation
========================= */

.site-navigation {
    height: 100%;

    margin-left: 0;
}


.main-navigation {
    height: 100%;

    margin: 0;
    padding: 0;

    display: flex;

    align-items: center;

    list-style: none;
}


.nav-item {
    height: 100%;

    margin: 0;

    padding: 0;

    position: relative;

    list-style: none;
}


.nav-link {
    height: 100%;

    padding: 0 32px;

    display: flex;

    align-items: center;

    position: relative;

    color: #3d4f5e;

    font-size: 15px;

    font-weight: 400;

    text-decoration: none;

    white-space: nowrap;

    transition: color .25s ease;
}


.nav-link:hover {
    color: #07589b;
}


.nav-link.active,
.nav-item.active > .nav-link {
    color: #07589b;

    font-weight: 500;
}


/* 完全去掉下划线 */
.nav-item.active > .nav-link::after,
.nav-item:hover > .nav-link::after {
    display: none;
}


/* =========================
   Dropdown
========================= */

.nav-item-dropdown {
    position: relative;
}


.nav-link-dropdown {
    cursor: pointer;
}


/* 下拉菜单 */
.sub-navigation {
    position: absolute;

    top: 76px;

    left: 50%;

    transform:
            translateX(-50%)
            translateY(10px);

    min-width: 190px;

    margin: 0;

    padding: 10px 0;

    background: #ffffff;

    border-radius: 6px;

    border-top: none;
    border-bottom: 3px solid #07589b;

    box-shadow:
            0 16px 40px
            rgba(0, 0, 0, .08);

    list-style: none;

    opacity: 0;

    visibility: hidden;

    transition:
            all .25s ease;

    z-index: 9999;
}


.nav-item-dropdown:hover > .sub-navigation {
    opacity: 1;

    visibility: visible;

    transform:
            translateX(-50%)
            translateY(0);
}


/* 子菜单项 */
.nav-item-child {
    height: auto;

    width: 100%;
}


.nav-link-child {
    width: 100%;

    height: auto;

    padding: 12px 24px;

    display: block;

    font-size: 14px;

    font-weight: 400;

    color: #536574;
}


.nav-link-child:hover {
    color: #07589b;

    background: #f5f8fa;
}


/* 子菜单不要底部横线 */
.nav-item-child:hover > .nav-link-child::after {
    display: none;
}


/* =========================
   Header Contact（联系电话）
========================= */

.header-contact {
    display: flex;
    align-items: center;

    margin-left: 30px;
    padding-left: 30px;

    border-left: 1px solid #e8edf1;

    flex-shrink: 0;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 8px;

    color: #07589b;

    font-size: 14px;
    font-weight: 600;

    text-decoration: none;

    transition: color .25s ease;
}

.header-phone:hover {
    color: #044a7a;
}

.phone-icon {
    flex-shrink: 0;
}


/* =========================
   Language
========================= */

.language-switcher {
    position: relative;

    margin-left: 15px;

    height: 100%;

    display: flex;

    align-items: center;
}


.language-button {
    height: 38px;

    padding: 0 13px;

    border: 1px solid #dfe5e9;

    background: #fff;

    color: #536574;

    font-size: 13px;

    cursor: pointer;

    transition: all .25s ease;

    border-radius: 4px;
}


.language-button:hover {
    color: #07589b;

    border-color: #07589b;
}


.language-arrow {
    margin-left: 7px;

    font-size: 10px;
}


/* 语言下拉 */
.language-menu {
    position: absolute;

    top: 72px;

    right: 0;

    min-width: 120px;

    padding: 7px 0;

    background: #fff;

    border-radius: 6px;

    border-top: none;
    border-bottom: 3px solid #07589b;

    box-shadow:
            0 10px 30px
            rgba(0, 0, 0, .10);

    opacity: 0;

    visibility: hidden;

    transform: translateY(8px);

    transition: all .25s ease;
}


.language-switcher:hover .language-menu {
    opacity: 1;

    visibility: visible;

    transform: translateY(0);
}


.language-item {
    display: block;

    padding: 10px 18px;

    color: #536574;

    font-size: 13px;

    text-decoration: none;
}


.language-item:hover {
    color: #07589b;

    background: #f5f8fa;
}


/* =========================
   Mobile Button
========================= */

.mobile-menu-button {
    display: none;

    width: 42px;
    height: 42px;

    margin-left: auto;

    border: 0;

    background: transparent;

    cursor: pointer;
}


.mobile-menu-button span {
    display: block;

    width: 24px;

    height: 2px;

    margin: 5px auto;

    background: #1a3a5c;
}


/* =========================================================
   Tablet（平板：1100px以下）
========================================================= */

@media (max-width: 1100px) {

    .header-container {
        max-width:
                calc(100% - 40px);
    }

    /* 平板上隐藏联系电话 */
    .header-contact {
        display: none;
    }

    .site-logo {
        margin-right: 30px;
    }

    .logo-title {
        font-size: 16px;
    }

    .logo-subtitle {
        display: none;
    }

    .nav-link {
        padding: 0 18px;
        font-size: 14px;
    }

}


/* =========================================================
   Mobile（手机：768px以下）
========================================================= */

@media (max-width: 768px) {

    .site-header {
        height: 64px;
    }


    .header-container {
        max-width:
                calc(100% - 30px);
    }


    /* 移动端隐藏联系电话 */
    .header-contact {
        display: none;
    }


    .site-logo {
        margin-right: 0;
    }


    .logo-symbol {
        width: 38px;
        height: 38px;

        margin-right: 10px;
    }

    .logo-symbol img {
        width: 38px;
        height: 38px;
    }


    .logo-title {
        font-size: 15px;
    }


    .logo-subtitle {
        display: none;
    }


    .mobile-menu-button {
        display: block;
    }


    .site-navigation {
        position: absolute;

        top: 64px;

        left: 0;
        right: 0;

        height: auto;

        margin: 0;

        background: #fff;

        border-top: 1px solid #edf0f2;

        box-shadow:
                0 10px 25px
                rgba(0,0,0,.08);

        display: none;
    }


    .site-navigation.mobile-open {
        display: block;
    }


    .main-navigation {
        height: auto;

        display: block;
    }


    .nav-item {
        height: auto;

        border-bottom:
                1px solid #edf0f2;
    }


    .nav-link {
        height: 52px;

        padding: 0 20px;

        font-weight: 400;
    }

    .nav-link.active,
    .nav-item.active > .nav-link {
        font-weight: 500;
    }


    .nav-item.active > .nav-link::after,
    .nav-item:hover > .nav-link::after {
        display: none;
    }


    /* 移动端下拉菜单 */
    .sub-navigation {
        position: static;

        transform: none;

        width: 100%;

        min-width: 0;

        border-radius: 0;

        border-top: 0;
        border-bottom: 2px solid #07589b;

        box-shadow: none;

        background: #f7f9fa;

        opacity: 1;

        visibility: visible;

        display: none;
    }


    .nav-item-dropdown.mobile-open
    > .sub-navigation {

        display: block;
    }


    .nav-link-child {
        padding-left: 40px;
    }

}


/* =========================================================
   Hero Banner
========================================================= */

.hero-banner {
    position: relative;

    width: 100%;

    height: calc(100vh - 76px);

    overflow: hidden;

    background: #152a3b;
}

.hero-slides {
    position: relative;

    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;

    inset: 0;

    width: 100%;
    height: 100%;

    opacity: 0;

    visibility: hidden;

    transition:
            opacity .8s ease,
            visibility .8s ease;
}

.hero-slide.active {
    opacity: 1;

    visibility: visible;

    z-index: 1;
}


/* =========================
   Image
========================= */

.hero-image {
    position: absolute;

    inset: 0;

    width: 100%;
    height: 100%;
}


.hero-image img {
    width: 100%;
    height: 100%;

    display: block;

    object-fit: cover;

    object-position: center;

    transform: scale(1.01);
}


/* =========================
   Overlay
========================= */

.hero-overlay {
    position: absolute;

    inset: 0;

    background:
            linear-gradient(
                    90deg,
                    rgba(8, 30, 48, .78) 0%,
                    rgba(8, 30, 48, .55) 38%,
                    rgba(8, 30, 48, .12) 75%,
                    rgba(8, 30, 48, .05) 100%
            );

    z-index: 2;
}


/* =========================
   Content
========================= */

.hero-content {
    position: absolute;

    inset: 0;

    z-index: 3;

    display: flex;

    align-items: center;
}


.hero-content-inner {
    width: 1280px;

    max-width:
            calc(100% - 80px);

    margin: 0 auto;

    padding-top: 20px;
}


.hero-line {
    width: 48px;

    height: 3px;

    margin-bottom: 24px;

    background: #ffffff;
}


.hero-label {
    margin-bottom: 18px;

    color: rgba(255,255,255,.82);

    font-size: 12px;

    font-weight: 500;

    letter-spacing: 3px;
}


.hero-title {
    max-width: 780px;

    margin: 0;

    color: #ffffff;

    font-size: 48px;

    font-weight: 700;

    line-height: 1.25;

    letter-spacing: 1px;
}


.hero-description {
    max-width: 600px;

    margin-top: 22px;

    color: rgba(255,255,255,.78);

    font-size: 16px;

    line-height: 1.7;

    letter-spacing: 0.5px;
}


/* =========================
   Button
========================= */

.hero-button {
    display: inline-flex;

    align-items: center;

    margin-top: 35px;

    padding: 14px 32px;

    border: 1px solid rgba(255,255,255,.5);

    color: #ffffff;

    font-size: 14px;

    font-weight: 500;

    text-decoration: none;

    letter-spacing: 1px;

    transition:
            background .25s ease,
            border-color .25s ease;
}


.hero-button:hover {
    color: #ffffff;

    background: #07589b;

    border-color: #07589b;
}


.hero-button-arrow {
    margin-left: 18px;

    font-size: 18px;

    transition:
            transform .25s ease;
}


.hero-button:hover
.hero-button-arrow {

    transform:
            translateX(5px);
}


/* =========================
   Services 底部服务入口（已修改）
========================= */

.hero-services {
    position: absolute;

    bottom: 0;

    left: 0;
    right: 0;

    z-index: 4;

    background: rgba(8, 30, 48, .75);

    backdrop-filter: blur(8px);

    border-top: 1px solid rgba(255,255,255,.1);
}

.hero-services-inner {
    width: 1280px;

    max-width: calc(100% - 80px);

    margin: 0 auto;

    display: flex;

    justify-content: space-between;

    padding: 28px 0;
}

.hero-service-item {
    display: flex;

    align-items: center;

    gap: 18px;

    color: rgba(255,255,255,.9);

    font-size: 16px;

    font-weight: 400;

    letter-spacing: 0.5px;

    cursor: pointer;

    transition: all .25s ease;

    padding: 6px 0;
}

.hero-service-item:hover {
    color: #4a9eff;

    transform: translateY(-2px);
}

.hero-service-number {
    font-size: 28px;

    font-weight: 700;

    color: #ffffff;

    font-feature-settings: "tnum";

    min-width: 36px;
}

.hero-service-name {
    font-size: 17px;

    font-weight: 500;

    color: rgba(255,255,255,.92);
}

/* 分隔线（数字和文字之间） */
.hero-service-divider {
    width: 1px;

    height: 24px;

    background: rgba(255,255,255,.15);
}

/* 每个服务项右侧加分隔线（最后一个不加） */
.hero-service-item:not(:last-child)::after {
    content: "";

    width: 1px;

    height: 32px;

    margin-left: auto;

    background: rgba(255,255,255,.1);
}


/* =========================
   Indicators 轮播指示器
========================= */

.hero-indicators {
    position: absolute;

    right: 60px;

    bottom: 120px;

    z-index: 5;

    display: flex;

    flex-direction: column;

    gap: 10px;
}

.hero-indicator {
    width: 10px;

    height: 10px;

    border-radius: 50%;

    background: rgba(255,255,255,.25);

    cursor: pointer;

    transition: all .3s ease;
}

.hero-indicator.active {
    background: #ffffff;

    transform: scale(1.2);
}

.hero-indicator:hover {
    background: rgba(255,255,255,.6);
}


/* =========================================================
   Tablet
========================================================= */

@media (max-width: 1100px) {

    .hero-banner {
        height: calc(100vh - 76px);

        margin-top: 76px;
    }

    .hero-content-inner {
        max-width:
                calc(100% - 60px);
    }

    .hero-title {
        font-size: 40px;
    }

    .hero-description {
        font-size: 15px;
    }

    .hero-services-inner {
        max-width: calc(100% - 60px);

        padding: 22px 0;
    }

    .hero-service-item {
        font-size: 14px;
        gap: 14px;
    }

    .hero-service-number {
        font-size: 24px;

        min-width: 30px;
    }

    .hero-service-name {
        font-size: 15px;
    }

    .hero-service-item:not(:last-child)::after {
        height: 28px;
    }

    .hero-indicators {
        right: 30px;
        bottom: 110px;
    }
}


/* =========================================================
   Mobile
========================================================= */

@media (max-width: 768px) {

    .hero-banner {
        height: calc(100vh - 64px);

        margin-top: 64px;
    }


    .hero-content-inner {
        max-width:
                calc(100% - 40px);

        padding-top: 0;
    }


    .hero-label {
        font-size: 9px;

        letter-spacing: 2px;
    }


    .hero-title {
        font-size: 28px;

        line-height: 1.35;

        max-width: 100%;
    }


    .hero-description {
        font-size: 14px;

        line-height: 1.6;

        max-width: 100%;
    }


    .hero-overlay {
        background:
                linear-gradient(
                        90deg,
                        rgba(8,30,48,.78),
                        rgba(8,30,48,.28)
                );
    }


    /* 移动端底部服务改为2行2列 */
    .hero-services {
        bottom: 0;
    }

    .hero-services-inner {
        max-width: calc(100% - 30px);

        padding: 16px 0;

        flex-wrap: wrap;

        gap: 4px 0;
    }

    .hero-service-item {
        width: 50%;

        font-size: 12px;

        gap: 10px;

        padding: 4px 0;
    }

    .hero-service-item:not(:last-child)::after {
        display: none;
    }

    .hero-service-number {
        font-size: 20px;

        min-width: 26px;
    }

    .hero-service-name {
        font-size: 13px;
    }


    /* 指示器移到右下角 */
    .hero-indicators {
        right: 20px;

        bottom: 100px;

        flex-direction: row;

        gap: 8px;
    }

    .hero-indicator {
        width: 8px;

        height: 8px;
    }

}

/* =========================================================
   About Us
   成都中材中原工程有限责任公司
========================================================= */

.about-section {
    position: relative;

    width: 100%;

    padding: 110px 0 120px;

    background: #ffffff;

    overflow: hidden;
}


/* =========================================================
   Container
========================================================= */

.about-section .container {
    width: 1280px;

    max-width: calc(100% - 80px);

    margin: 0 auto;
}


/* =========================================================
   Section Header
========================================================= */

.section-header {
    margin-bottom: 65px;

    text-align: center;
}


.section-subtitle {
    margin-bottom: 12px;

    color: #07589b;

    font-size: 12px;

    font-weight: 600;

    letter-spacing: 4px;

    text-transform: uppercase;
}


.section-title {
    margin: 0;

    color: #173b5b;

    font-size: 36px;

    font-weight: 700;

    line-height: 1.4;
}


.section-line {
    width: 45px;

    height: 3px;

    margin: 20px auto 0;

    background: #07589b;
}


/* =========================================================
   About Content
========================================================= */

.about-content {
    display: grid;

    grid-template-columns:
        minmax(0, 1fr)
        minmax(0, 1fr);

    gap: 80px;

    align-items: center;
}


/* =========================================================
   About Image
========================================================= */

.about-image {
    position: relative;

    width: 100%;

    min-height: 460px;

    overflow: visible;
}


.about-image img {
    position: relative;

    width: 100%;

    height: 460px;

    display: block;

    object-fit: cover;

    object-position: center;

    z-index: 2;

    border-radius: 4px;
}


/*
 * 图片右下角装饰框
 */

.about-image-decoration {
    position: absolute;

    right: -20px;

    bottom: -20px;

    width: 180px;

    height: 150px;

    border: 3px solid #07589b;

    z-index: 1;

    border-radius: 4px;
}


/*
 * 图片上的标签
 */

.about-image-tag {
    position: absolute;

    bottom: 30px;

    left: 30px;

    z-index: 3;

    background: rgba(8, 30, 48, .75);

    backdrop-filter: blur(4px);

    padding: 10px 20px;

    border-radius: 2px;

    border-left: 3px solid #07589b;
}

.about-image-tag span {
    color: rgba(255,255,255,.85);

    font-size: 11px;

    font-weight: 500;

    letter-spacing: 2px;
}


/* =========================================================
   About Text
========================================================= */

.about-text {
    padding: 15px 0;
}


/* =========================
   Quote / 口号
========================= */

.about-quote {
    position: relative;

    padding: 12px 0 12px 28px;

    border-left: 4px solid #07589b;

    margin-bottom: 20px;
}

.about-quote-icon {
    position: absolute;

    top: -8px;

    left: -6px;

    color: #07589b;

    font-size: 40px;

    font-weight: 700;

    font-family: Georgia, serif;

    opacity: .2;

    line-height: 1;
}

.about-quote-text {
    color: #173b5b;

    font-size: 24px;

    font-weight: 700;

    line-height: 1.6;

    letter-spacing: 2px;
}


.about-content-line {
    width: 45px;

    height: 3px;

    margin: 22px 0 25px;

    background: #07589b;
}


.about-description {
    max-width: 600px;

    color: #657582;

    font-size: 15px;

    line-height: 2;

    letter-spacing: .3px;

    text-align: justify;
}


/* =========================================================
   About Button
========================================================= */

.about-button {
    display: inline-flex;

    align-items: center;

    margin-top: 38px;

    padding: 14px 30px;

    border: 1px solid #07589b;

    color: #07589b;

    background: #ffffff;

    font-size: 14px;

    font-weight: 500;

    text-decoration: none;

    letter-spacing: .5px;

    border-radius: 4px;

    transition:
            color .25s ease,
            background .25s ease,
            border-color .25s ease;
}


.about-button:hover {
    color: #ffffff;

    background: #07589b;

    border-color: #07589b;
}


.about-button-arrow {
    margin-left: 18px;

    font-size: 18px;

    line-height: 1;

    transition:
            transform .25s ease;
}


.about-button:hover
.about-button-arrow {

    transform:
            translateX(5px);
}


/* =========================================================
   Decorative Background
========================================================= */

.about-section::before {
    content: "";

    position: absolute;

    top: 0;

    right: 0;

    width: 240px;

    height: 240px;

    background:
            linear-gradient(
                    135deg,
                    transparent 49%,
                    #f3f7fa 50%
            );

    opacity: .8;

    pointer-events: none;
}


/* =========================================================
   Tablet
========================================================= */

@media (max-width: 1100px) {

    .about-section {
        padding: 90px 0 100px;
    }


    .about-section .container {
        max-width:
                calc(100% - 60px);
    }


    .about-content {
        gap: 50px;
    }


    .about-image {
        min-height: 400px;
    }


    .about-image img {
        height: 400px;
    }


    .about-quote-text {
        font-size: 20px;
    }


    .about-description {
        font-size: 15px;
    }

}


/* =========================================================
   Mobile
========================================================= */

@media (max-width: 768px) {

    .about-section {
        padding: 70px 0 80px;
    }


    .about-section .container {
        max-width:
                calc(100% - 40px);
    }


    /* Section Header */

    .section-header {
        margin-bottom: 40px;
    }


    .section-subtitle {
        margin-bottom: 8px;

        font-size: 10px;

        letter-spacing: 3px;
    }


    .section-title {
        font-size: 28px;
    }


    .section-line {
        margin-top: 15px;
    }


    /* Content */

    .about-content {
        display: block;
    }


    /* Image */

    .about-image {
        min-height: 280px;

        margin-bottom: 50px;
    }


    .about-image img {
        height: 280px;
    }


    .about-image-decoration {
        right: -10px;

        bottom: -10px;

        width: 100px;

        height: 80px;

        border-width: 2px;
    }


    .about-image-tag {
        bottom: 18px;

        left: 18px;

        padding: 6px 14px;
    }

    .about-image-tag span {
        font-size: 9px;

        letter-spacing: 1.5px;
    }


    /* Text */

    .about-text {
        padding: 0;
    }


    .about-quote {
        padding: 10px 0 10px 20px;

        margin-bottom: 16px;
    }

    .about-quote-icon {
        font-size: 30px;

        top: -4px;

        left: -4px;
    }

    .about-quote-text {
        font-size: 18px;

        line-height: 1.6;

        letter-spacing: 1.5px;
    }


    .about-content-line {
        margin: 17px 0 20px;
    }


    .about-description {
        font-size: 14px;

        line-height: 1.9;
    }


    /* Button */

    .about-button {
        margin-top: 30px;

        padding: 12px 22px;

        font-size: 13px;
    }


    /* Background decoration */

    .about-section::before {
        width: 120px;

        height: 120px;
    }

}


/* =========================================================
   Small Mobile
========================================================= */

@media (max-width: 400px) {

    .about-section .container {
        max-width:
                calc(100% - 30px);
    }


    .about-image {
        min-height: 220px;
    }


    .about-image img {
        height: 220px;
    }


    .about-quote-text {
        font-size: 16px;
    }


    .about-description {
        font-size: 13px;
    }

}

/* =========================================================
   Company Projects
========================================================= */

.projects-section {
    position: relative;

    padding: 115px 0 120px;

    background: #f6f8fa;

    overflow: hidden;
}


/* =========================================================
   Container
========================================================= */

.projects-section .container {
    width: 1280px;

    max-width: calc(100% - 80px);

    margin: 0 auto;
}


/* =========================================================
   Section Header
========================================================= */

.projects-section .section-header {
    margin-bottom: 45px;

    text-align: center;
}


.projects-section .section-subtitle {
    margin-bottom: 12px;

    color: #07589b;

    font-size: 12px;

    font-weight: 600;

    letter-spacing: 4px;

    text-transform: uppercase;
}


.projects-section .section-title {
    margin: 0;

    color: #173b5b;

    font-size: 36px;

    font-weight: 700;

    line-height: 1.4;
}


.projects-section .section-line {
    width: 45px;

    height: 3px;

    margin: 20px auto 0;

    background: #07589b;
}


.projects-section .section-description {
    max-width: 650px;

    margin: 20px auto 0;

    color: #788791;

    font-size: 15px;

    line-height: 1.8;
}


/* =========================================================
   Filter
========================================================= */

.project-filter {
    display: flex;

    justify-content: center;

    align-items: center;

    gap: 8px;

    margin-bottom: 45px;
}


.project-filter-item {
    position: relative;

    padding: 11px 25px;

    border: 1px solid transparent;

    color: #71808c;

    background: transparent;

    font-family: inherit;

    font-size: 14px;

    cursor: pointer;

    transition:
            color .25s ease,
            background .25s ease,
            border-color .25s ease;
}


.project-filter-item:hover {
    color: #07589b;
}


.project-filter-item.active {
    color: #ffffff;

    background: #07589b;

    border-color: #07589b;
}


/* =========================================================
   Project Grid
========================================================= */

.projects-grid {
    display: grid;

    grid-template-columns:
        repeat(3, minmax(0, 1fr));

    gap: 30px;
}


/* =========================================================
   Project Card
========================================================= */

.project-card {
    background: #ffffff;

    overflow: hidden;

    transition:
            transform .35s ease,
            box-shadow .35s ease;
}


.project-card:hover {
    transform:
            translateY(-8px);

    box-shadow:
            0 18px 45px rgba(19, 55, 82, .12);
}


/* =========================
   Card Hidden (Filter)
========================= */

.project-card-hidden {
    display: none !important;
}


/* =========================================================
   Project Image
========================================================= */

.project-image {
    position: relative;

    width: 100%;

    height: 270px;

    overflow: hidden;
}


.project-image img {
    width: 100%;

    height: 100%;

    display: block;

    object-fit: cover;

    transition:
            transform .6s ease;
}


.project-card:hover
.project-image img {

    transform:
            scale(1.06);
}


/* =========================================================
   Image Placeholder
========================================================= */

.project-image-placeholder {
    display: flex;

    align-items: center;

    justify-content: center;

    width: 100%;

    height: 100%;

    background:
            linear-gradient(
                    135deg,
                    #dce7ef,
                    #edf2f5
            );

    color: #8ca0ad;

    font-size: 22px;

    font-weight: 700;

    letter-spacing: 4px;
}


/* =========================================================
   Project Overlay
========================================================= */

.project-overlay {
    position: absolute;

    inset: 0;

    display: flex;

    align-items: center;

    justify-content: center;

    background:
            rgba(7, 88, 155, .82);

    opacity: 0;

    transition:
            opacity .35s ease;
}


.project-card:hover
.project-overlay {

    opacity: 1;
}


.project-overlay-content {
    display: flex;

    align-items: center;

    gap: 15px;

    color: #ffffff;

    transform:
            translateY(15px);

    transition:
            transform .35s ease;
}


.project-card:hover
.project-overlay-content {

    transform:
            translateY(0);
}


.project-view {
    font-size: 14px;

    letter-spacing: 1px;
}


.project-arrow {
    font-size: 22px;

    line-height: 1;
}


/* =========================================================
   Project Info
========================================================= */

.project-info {
    padding: 25px 25px 28px;
}


.project-category {
    margin-bottom: 9px;

    color: #07589b;

    font-size: 12px;

    font-weight: 600;

    letter-spacing: 1px;
}


.project-title {
    margin: 0;

    color: #173b5b;

    font-size: 20px;

    font-weight: 700;

    line-height: 1.5;
}


.project-description {
    display: -webkit-box;

    margin: 12px 0 0;

    overflow: hidden;

    color: #7a8993;

    font-size: 14px;

    line-height: 1.8;

    -webkit-line-clamp: 2;

    -webkit-box-orient: vertical;
}


.project-link {
    display: inline-flex;

    align-items: center;

    margin-top: 17px;

    color: #07589b;

    font-size: 13px;

    text-decoration: none;
}


.project-link span {
    margin-left: 10px;

    font-size: 17px;

    transition:
            transform .25s ease;
}


.project-link:hover
span {

    transform:
            translateX(5px);
}


/* =========================================================
   Empty
========================================================= */

.projects-empty {
    padding: 70px 0;

    color: #8997a0;

    text-align: center;

    font-size: 14px;
}


/* =========================================================
   More Button
========================================================= */

.projects-more {
    margin-top: 50px;

    text-align: center;
}


.projects-more-button {
    display: inline-flex;

    align-items: center;

    padding: 13px 27px;

    border: 1px solid #07589b;

    color: #07589b;

    background: transparent;

    font-size: 14px;

    text-decoration: none;

    transition:
            color .25s ease,
            background .25s ease;
}


.projects-more-button span {
    margin-left: 15px;

    font-size: 18px;

    transition:
            transform .25s ease;
}


.projects-more-button:hover {
    color: #ffffff;

    background: #07589b;
}


.projects-more-button:hover
span {

    transform:
            translateX(5px);
}


/* =========================================================
   Background Decoration
========================================================= */

.projects-section::before {
    content: "";

    position: absolute;

    top: 0;

    left: 0;

    width: 200px;

    height: 200px;

    border-left: 1px solid #dfe7ec;

    border-bottom: 1px solid #dfe7ec;

    opacity: .7;

    pointer-events: none;
}


/* =========================================================
   Tablet
========================================================= */

@media (max-width: 1100px) {

    .projects-section {
        padding: 90px 0 100px;
    }


    .projects-section .container {
        max-width:
                calc(100% - 60px);
    }


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

        gap: 25px;
    }


    .project-image {
        height: 250px;
    }

}


/* =========================================================
   Mobile
========================================================= */

@media (max-width: 768px) {

    .projects-section {
        padding: 70px 0 80px;
    }


    .projects-section .container {
        max-width:
                calc(100% - 40px);
    }


    .projects-section .section-header {
        margin-bottom: 35px;
    }


    .projects-section .section-subtitle {
        font-size: 10px;

        letter-spacing: 3px;
    }


    .projects-section .section-title {
        font-size: 28px;
    }


    .projects-section .section-description {
        font-size: 14px;
    }


    /* Filter */

    .project-filter {
        justify-content: flex-start;

        gap: 5px;

        margin-bottom: 35px;

        overflow-x: auto;

        padding-bottom: 5px;

        scrollbar-width: none;
    }


    .project-filter::-webkit-scrollbar {
        display: none;
    }


    .project-filter-item {
        flex: 0 0 auto;

        padding: 9px 16px;

        font-size: 13px;
    }


    /* Grid */

    .projects-grid {
        grid-template-columns:
            1fr;

        gap: 25px;
    }


    .project-image {
        height: 230px;
    }


    .project-info {
        padding: 22px 20px 25px;
    }


    .project-title {
        font-size: 18px;
    }


    .project-description {
        font-size: 13px;
    }


    .projects-more {
        margin-top: 40px;
    }

}


/* =========================================================
   Small Mobile
========================================================= */

@media (max-width: 400px) {

    .projects-section .container {
        max-width:
                calc(100% - 30px);
    }


    .project-image {
        height: 210px;
    }


    .project-title {
        font-size: 17px;
    }

}

/* =========================================================
   News Center
========================================================= */

.news-section {
    position: relative;

    padding: 115px 0 120px;

    background: #ffffff;

    overflow: hidden;
}


/* =========================================================
   Container
========================================================= */

.news-section .container {
    width: 1280px;

    max-width: calc(100% - 80px);

    margin: 0 auto;
}


/* =========================================================
   Section Header
========================================================= */

.news-section .section-header {
    margin-bottom: 40px;

    text-align: center;
}


.news-section .section-subtitle {
    margin-bottom: 12px;

    color: #07589b;

    font-size: 12px;

    font-weight: 600;

    letter-spacing: 4px;

    text-transform: uppercase;
}


.news-section .section-title {
    margin: 0;

    color: #173b5b;

    font-size: 36px;

    font-weight: 700;

    line-height: 1.4;
}


.news-section .section-line {
    width: 45px;

    height: 3px;

    margin: 20px auto 0;

    background: #07589b;
}


.news-section .section-description {
    max-width: 650px;

    margin: 20px auto 0;

    color: #788791;

    font-size: 15px;

    line-height: 1.8;
}


/* =========================================================
   News Filter
========================================================= */

.news-filter {
    display: flex;

    justify-content: center;

    align-items: center;

    gap: 8px;

    margin-bottom: 45px;
}


.news-filter-item {
    position: relative;

    padding: 11px 25px;

    border: 1px solid transparent;

    color: #71808c;

    background: transparent;

    font-family: inherit;

    font-size: 14px;

    cursor: pointer;

    transition:
            color .25s ease,
            background .25s ease,
            border-color .25s ease;
}


.news-filter-item:hover {
    color: #07589b;
}


.news-filter-item.active {
    color: #ffffff;

    background: #07589b;

    border-color: #07589b;
}


/* =========================================================
   News Grid
========================================================= */

.news-grid {
    display: grid;

    grid-template-columns:
        repeat(3, minmax(0, 1fr));

    gap: 30px;
}


/* =========================================================
   News Card
========================================================= */

.news-card {
    background: #ffffff;

    border: 1px solid #e7edf1;

    overflow: hidden;

    transition:
            transform .35s ease,
            box-shadow .35s ease;
}


.news-card:hover {
    transform:
            translateY(-7px);

    box-shadow:
            0 18px 45px rgba(19, 55, 82, .10);
}


/* =========================================================
   News Image
========================================================= */

.news-image {
    position: relative;

    width: 100%;

    height: 230px;

    overflow: hidden;
}


.news-image img {
    width: 100%;

    height: 100%;

    display: block;

    object-fit: cover;

    transition:
            transform .6s ease;
}


.news-card:hover
.news-image img {

    transform:
            scale(1.06);
}


/* =========================================================
   Placeholder
========================================================= */

.news-image-placeholder {
    display: flex;

    align-items: center;

    justify-content: center;

    width: 100%;

    height: 100%;

    background:
            linear-gradient(
                    135deg,
                    #dfe8ee,
                    #f0f4f6
            );

    color: #8ca0ad;

    font-size: 22px;

    font-weight: 700;

    letter-spacing: 4px;
}


/* =========================================================
   Date
========================================================= */

.news-date {
    position: absolute;

    left: 18px;

    bottom: 18px;

    display: flex;

    flex-direction: column;

    align-items: center;

    justify-content: center;

    width: 70px;

    height: 70px;

    background: #07589b;

    color: #ffffff;

    text-align: center;
}


.news-date-day {
    font-size: 25px;

    font-weight: 700;

    line-height: 1;
}


.news-date-month {
    margin-top: 5px;

    font-size: 10px;

    letter-spacing: 1px;

    opacity: .9;
}


/* =========================================================
   News Info
========================================================= */

.news-info {
    padding: 25px 25px 28px;
}


.news-category {
    margin-bottom: 8px;

    color: #07589b;

    font-size: 12px;

    font-weight: 600;

    letter-spacing: 1px;
}


.news-title {
    display: -webkit-box;

    margin: 0;

    overflow: hidden;

    color: #173b5b;

    font-size: 19px;

    font-weight: 700;

    line-height: 1.55;

    -webkit-line-clamp: 2;

    -webkit-box-orient: vertical;
}


.news-description {
    display: -webkit-box;

    margin: 12px 0 0;

    overflow: hidden;

    color: #7a8993;

    font-size: 14px;

    line-height: 1.8;

    -webkit-line-clamp: 2;

    -webkit-box-orient: vertical;
}


/* =========================================================
   News Link
========================================================= */

.news-link {
    display: inline-flex;

    align-items: center;

    margin-top: 17px;

    color: #07589b;

    font-size: 13px;

    text-decoration: none;
}


.news-link span {
    margin-left: 10px;

    font-size: 17px;

    transition:
            transform .25s ease;
}


.news-link:hover
span {

    transform:
            translateX(5px);
}


/* =========================================================
   Empty
========================================================= */

.news-empty {
    padding: 70px 0;

    color: #8997a0;

    text-align: center;

    font-size: 14px;
}


/* =========================================================
   More Button
========================================================= */

.news-more {
    margin-top: 50px;

    text-align: center;
}


.news-more-button {
    display: inline-flex;

    align-items: center;

    padding: 13px 27px;

    border: 1px solid #07589b;

    color: #07589b;

    background: transparent;

    font-size: 14px;

    text-decoration: none;

    transition:
            color .25s ease,
            background .25s ease;
}


.news-more-button span {
    margin-left: 15px;

    font-size: 18px;

    transition:
            transform .25s ease;
}


.news-more-button:hover {
    color: #ffffff;

    background: #07589b;
}


.news-more-button:hover
span {

    transform:
            translateX(5px);
}


/* =========================================================
   Decoration
========================================================= */

.news-section::before {
    content: "";

    position: absolute;

    top: 0;

    right: 0;

    width: 220px;

    height: 220px;

    border-top: 1px solid #e1e8ed;

    border-right: 1px solid #e1e8ed;

    opacity: .7;

    pointer-events: none;
}


/* =========================================================
   Tablet
========================================================= */

@media (max-width: 1100px) {

    .news-section {
        padding: 90px 0 100px;
    }


    .news-section .container {
        max-width:
                calc(100% - 60px);
    }


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

        gap: 25px;
    }


    .news-image {
        height: 240px;
    }

}


/* =========================================================
   Mobile
========================================================= */

@media (max-width: 768px) {

    .news-section {
        padding: 70px 0 80px;
    }


    .news-section .container {
        max-width:
                calc(100% - 40px);
    }


    .news-section .section-header {
        margin-bottom: 35px;
    }


    .news-section .section-subtitle {
        font-size: 10px;

        letter-spacing: 3px;
    }


    .news-section .section-title {
        font-size: 28px;
    }


    .news-section .section-description {
        font-size: 14px;
    }


    /* Filter */

    .news-filter {
        justify-content: flex-start;

        gap: 5px;

        margin-bottom: 35px;

        overflow-x: auto;

        padding-bottom: 5px;

        scrollbar-width: none;
    }


    .news-filter::-webkit-scrollbar {
        display: none;
    }


    .news-filter-item {
        flex: 0 0 auto;

        padding: 9px 16px;

        font-size: 13px;
    }


    /* Grid */

    .news-grid {
        grid-template-columns:
            1fr;

        gap: 25px;
    }


    .news-image {
        height: 230px;
    }


    .news-info {
        padding: 22px 20px 25px;
    }


    .news-title {
        font-size: 18px;
    }


    .news-description {
        font-size: 13px;
    }


    .news-more {
        margin-top: 40px;
    }

}


/* =========================================================
   Small Mobile
========================================================= */

@media (max-width: 400px) {

    .news-section .container {
        max-width:
                calc(100% - 30px);
    }


    .news-image {
        height: 210px;
    }


    .news-title {
        font-size: 17px;
    }


    .news-date {
        left: 15px;

        bottom: 15px;

        width: 62px;

        height: 62px;
    }


    .news-date-day {
        font-size: 22px;
    }

}

/* =========================================================
   Footer
   成都中材中原工程有限责任公司
========================================================= */

.site-footer {
    width: 100%;

    background: #0f2536;

    color: rgba(255, 255, 255, .7);

    padding-top: 70px;

    border-top: 4px solid #07589b;
}

.footer-container {
    width: 1280px;

    max-width: calc(100% - 80px);

    margin: 0 auto;
}


/* =========================================================
   Footer Top
========================================================= */

.footer-top {
    display: grid;

    grid-template-columns:
        1fr 1.5fr 1.2fr 1fr;

    gap: 30px;

    padding-bottom: 50px;

    border-bottom: 1px solid rgba(255, 255, 255, .08);
}


/* =========================
   Brand
========================= */

.footer-brand {
    display: flex;

    flex-direction: column;
}

.footer-logo {
    display: flex;

    align-items: center;

    margin-bottom: 18px;
}

.footer-logo-icon {
    width: 48px;
    height: 48px;

    margin-right: 14px;

    flex-shrink: 0;
}

.footer-logo-icon img {
    width: 48px;
    height: 48px;

    object-fit: contain;
}

.footer-logo-title {
    color: #ffffff;

    font-size: 17px;

    font-weight: 700;

    line-height: 1.4;
}

.footer-logo-subtitle {
    color: rgba(255, 255, 255, .4);

    font-size: 9px;

    letter-spacing: 1.2px;

    margin-top: 2px;
}

.footer-brand-slogan {
    color: #ffffff;

    font-size: 15px;

    font-weight: 500;

    line-height: 1.6;

    margin-bottom: 8px;
}

.footer-brand-desc {
    color: rgba(255, 255, 255, .55);

    font-size: 13px;

    line-height: 1.8;

    max-width: 340px;
}

/* 微信二维码 */
.footer-wechat {
    display: flex;

    flex-direction: column;

    align-items: center;

    gap: 8px;
}

.footer-wechat img {
    width: 100px;
    height: 100px;

    border-radius: 4px;

    border: 1px solid rgba(255, 255, 255, .1);
}

.footer-wechat span {
    color: rgba(255, 255, 255, .4);

    font-size: 11px;
}


/* =========================
   Navigation
========================= */

.footer-nav {
    display: grid;

    grid-template-columns:
        repeat(3, 1fr);

    gap: 20px;
}

.footer-nav-title {
    color: #ffffff;

    font-size: 15px;

    font-weight: 600;

    margin-bottom: 16px;

    padding-bottom: 10px;

    position: relative;
}

.footer-nav-title::after {
    content: "";

    position: absolute;

    bottom: 0;

    left: 0;

    width: 24px;

    height: 2px;

    background: #07589b;
}

.footer-nav-list {
    list-style: none;

    margin: 0;

    padding: 0;
}

.footer-nav-list li {
    margin-bottom: 10px;
}

.footer-nav-list a {
    color: rgba(255, 255, 255, .55);

    font-size: 13px;

    text-decoration: none;

    transition: color .25s ease;
}

.footer-nav-list a:hover {
    color: #4a9eff;
}


/* =========================
   Contact
========================= */

.footer-contact-title {
    color: #ffffff;

    font-size: 15px;

    font-weight: 600;

    margin-bottom: 16px;

    padding-bottom: 10px;

    position: relative;
}

.footer-contact-title::after {
    content: "";

    position: absolute;

    bottom: 0;

    left: 0;

    width: 24px;

    height: 2px;

    background: #07589b;
}

.footer-contact-list {
    list-style: none;

    margin: 0;

    padding: 0;
}

.footer-contact-list li {
    display: flex;

    align-items: center;

    gap: 10px;

    margin-bottom: 12px;

    color: rgba(255, 255, 255, .55);

    font-size: 13px;
}

.footer-contact-list .contact-icon {
    font-size: 15px;

    flex-shrink: 0;

    width: 20px;

    text-align: center;
}

.footer-contact-list a {
    color: rgba(255, 255, 255, .55);

    text-decoration: none;

    transition: color .25s ease;
}

.footer-contact-list a:hover {
    color: #4a9eff;
}


/* =========================================================
   Footer Bottom - 友情链接
========================================================= */

.footer-friendlinks {
    display: flex;

    justify-content: center;

    align-items: center;

    flex-wrap: wrap;

    padding: 18px 0 14px;

    border-bottom: 1px solid rgba(255, 255, 255, .06);

    gap: 6px;
}

.friendlinks-label {
    color: rgba(255, 255, 255, .35);

    font-size: 12px;

    margin-right: 4px;
}

.friendlinks-item {
    color: rgba(255, 255, 255, .4);

    font-size: 12px;

    text-decoration: none;

    transition: color .25s ease;
}

.friendlinks-item:hover {
    color: #4a9eff;
}

.friendlinks-divider {
    color: rgba(255, 255, 255, .15);

    font-size: 12px;

    margin: 0 4px;
}


/* =========================================================
   Footer Copyright - ICP备案居中
========================================================= */

.footer-copyright {
    display: flex;

    justify-content: center;

    align-items: center;

    flex-wrap: wrap;

    padding: 18px 0 30px;

    gap: 8px 16px;

    color: rgba(255, 255, 255, .3);

    font-size: 12px;
}

.footer-icp {
    color: rgba(255, 255, 255, .4);
}

.footer-copyright-divider {
    color: rgba(255, 255, 255, .15);
}

.footer-copyright-text {
    color: rgba(255, 255, 255, .25);
}


/* =========================================================
   Tablet
========================================================= */

@media (max-width: 1100px) {

    .footer-container {
        max-width: calc(100% - 60px);
    }

    .footer-top {
        gap: 40px;
    }

    .footer-nav {
        grid-template-columns: repeat(2, 1fr);
    }

}


/* =========================================================
   Mobile
========================================================= */

@media (max-width: 768px) {

    .site-footer {
        padding-top: 50px;
    }

    .footer-container {
        max-width: calc(100% - 30px);
    }

    .footer-top {
        grid-template-columns: 1fr;

        gap: 40px;

        padding-bottom: 35px;
    }

    .footer-brand-desc {
        max-width: 100%;
    }

    .footer-nav {
        grid-template-columns: repeat(2, 1fr);

        gap: 20px;
    }

    .footer-contact {
        margin-top: 0;
    }

    /* 友情链接 */
    .footer-friendlinks {
        padding: 14px 0 10px;

        gap: 4px;
    }

    .friendlinks-item {
        font-size: 11px;
    }

    .friendlinks-label {
        font-size: 11px;
        width: 100%;
        text-align: center;
        margin-bottom: 4px;
    }

    /* Copyright */
    .footer-copyright {
        flex-direction: column;

        gap: 4px;

        padding: 14px 0 22px;

        font-size: 11px;
    }

    .footer-copyright-divider {
        display: none;
    }

}