* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-size: 16px;
}

body {
    font-family: "Inter",
    system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    "Poppins",
    Helvetica,
    Arial,
    sans-serif;
    background-color: #ffffff;
    color: #1e2f3f;
    line-height: 1.5;
    scroll-behavior: smooth;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 15px 20px;
}

/* 品牌主色调：深蓝+品牌金/橙 */
:root {
    --primary: #0f4c5f;
    --primary-dark: #0a3847;
    --primary-light: #2c7f9c;
    --accent: #f3a333;
    --accent-light: #ffc46b;
    --gray-bg: #f9fbfd;
    --gray-border: #e9edf2;
    --text-dark: #1f2a3e;
    --text-light: #5a6e7f;
}

.icon {
    width: 1em;
    height: 1em;
    vertical-align: -0.15em;
    fill: currentColor;
    overflow: hidden;
}

/* 导航栏 */
.navbar {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--gray-border);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.9rem 24px;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg,
    var(--primary) 0%,
    var(--primary-light) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    letter-spacing: -0.3px;
}

.logo a {
    text-decoration: none;
    background: none;
    color: inherit;
}

.nav-contact {
    display: flex;
    align-items: center;
}

.nav-phone {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary);
    background: #eff5f8;
    padding: 8px 18px;
    border-radius: 40px;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.nav-phone:hover {
    background: var(--primary);
    color: white;
}

/* 桌面端导航链接 */
.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-links a {
    position: relative;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 1rem;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 8px;
    transition: color 0.2s ease, background 0.2s ease;
    white-space: nowrap;
}

.nav-links a:hover {
    color: var(--primary);
}

.nav-links a.is-active {
    color: var(--primary);
    font-weight: 600;
}

.nav-links a.is-active::after {
    content: "";
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 2px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}

/* ===== 移动端汉堡菜单（默认隐藏，@media 下显示）===== */
.nav-mobile-actions {
    display: none;
    align-items: center;
    gap: 10px;
}
.nav-mobile-phone {
    display: none;
    width: 38px; height: 38px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    text-decoration: none;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}
.nav-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px; height: 40px;
    border-radius: 8px;
    border: 1px solid var(--gray-border, #e5e7eb);
    background: #fff;
    gap: 5px;
    cursor: pointer;
}
.nav-menu-btn span {
    display: block;
    width: 18px; height: 2px;
    background: #333;
    border-radius: 2px;
    transition: all 0.2s;
}

/* 侧滑菜单面板 */
.nav-mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: none;
}
.nav-mobile-menu.is-open {
    display: block;
}
.nav-mobile-mask {
    position: absolute; inset: 0;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(4px);
}
.nav-mobile-panel {
    position: absolute;
    top: 0; right: 0; bottom: 0;
    width: 86%;
    max-width: 340px;
    background: #fff;
    display: flex;
    flex-direction: column;
    box-shadow: -20px 0 60px rgba(0,0,0,0.15);
    animation: navSlideIn 0.25s ease-out;
}
@keyframes navSlideIn {
    from { transform: translateX(100%); }
    to   { transform: translateX(0); }
}
.nav-mobile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px;
    border-bottom: 1px solid #eef2f7;
}
.nav-mobile-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-dark, #1f2937);
}
.nav-mobile-close {
    width: 36px; height: 36px;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    background: #f9fafb;
    font-size: 22px;
    color: #6b7280;
    cursor: pointer;
}
.nav-mobile-links {
    flex: 1;
    padding: 14px 16px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.nav-mobile-links a {
    padding: 13px 16px;
    border-radius: 10px;
    background: #f8fafc;
    font-weight: 600;
    color: #374151;
    font-size: 15px;
    text-decoration: none;
    text-align: center;
    transition: all 0.15s;
}
.nav-mobile-links a.is-active,
.nav-mobile-links a:hover {
    background: #e0f2fe;
    color: var(--primary, #0ea5e9);
}
.nav-mobile-bottom {
    padding: 14px 16px 20px;
    border-top: 1px solid #eef2f7;
}
.nav-mobile-bottom a {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 14px;
    border-radius: 10px;
    background: var(--primary);
    color: #fff;
    font-weight: 700;
    font-size: 16px;
    text-decoration: none;
}

/* Banner 区域 + 文字动效 */
.hero {
    background: linear-gradient(115deg, #eff7fc 0%, #ffffff 100%);
    padding: 4.5rem 0 5rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: -30%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle,
    rgba(47, 128, 163, 0.03) 0%,
    rgba(47, 128, 163, 0) 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-content {
    text-align: center;
    max-width: 880px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--primary-dark);
    line-height: 1.2;
    margin-bottom: 1.2rem;
}

.hero-highlight {
    color: var(--accent);
    border-bottom: 3px solid var(--accent-light);
    display: inline-block;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 1.8rem;
    font-weight: 500;
}

.animated-text {
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item {
    background: white;
    padding: 0.8rem 1.8rem;
    border-radius: 60px;
    font-weight: 600;
    color: var(--primary);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(15, 76, 95, 0.1);
    font-size: 1rem;
}

.btn-glow {
    display: inline-block;
    background: var(--accent);
    color: #2c3e2f;
    font-weight: 700;
    padding: 12px 32px;
    border-radius: 40px;
    text-decoration: none;
    margin-top: 0.5rem;
    transition: 0.2s;
    box-shadow: 0 6px 14px rgba(243, 163, 51, 0.3);
}

.btn-glow:hover {
    transform: translateY(-3px);
    background: #ffb347;
    box-shadow: 0 12px 22px rgba(243, 163, 51, 0.25);
}

/* 通用板块 */
section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-sub {
    text-align: center;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto 2.5rem auto;
}

/* 公司介绍区域 */
.about-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 2.5rem;
    align-items: center;
    justify-content: space-between;
}

.about-text {
    flex: 1.2;
    min-width: 280px;
}

.about-image {
    flex: 0.8;
    min-width: 280px;
    text-align: center;
}

.about-image img {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 28px;
    box-shadow: 0 20px 30px -12px rgba(0, 0, 0, 0.12);
    transition: transform 0.3s;
}

.about-image img:hover {
    transform: scale(1.02);
}

.about-text p {
    margin-bottom: 1.2rem;
    color: var(--text-light);
    font-size: 1rem;
}

.geo-info-row {
    display: flex;
    padding: 12px 0;
    border-bottom: 1px dashed var(--border-color);
    flex-wrap: wrap;
}

.highlight-data {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.data-card {
    background: var(--gray-bg);
    padding: 0.8rem 1.2rem;
    border-radius: 12px;
    text-align: center;
    flex: 0 0 30%;
    border: 1px solid var(--gray-border);
}

.data-number {
    font-size: 1.35rem;
    font-weight: 800;
    margin-bottom: 5px;
    color: var(--primary);
}

.contact-phone-inline {
    background: #eaf5f0;
    padding: 0.4rem 1.2rem;
    border-radius: 40px;
    display: inline-block;
    font-weight: 700;
    color: var(--primary);
    margin: 0.6rem 0;
}

/* 优势卡片 一行三个 分两行 */
.advantages-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.8rem;
    margin-top: 1.5rem;
}

@media (min-width: 768px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .advantages-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.adv-card {
    background: white;
    border-radius: 28px;
    padding: 1.8rem;
    box-shadow: 0 5px 18px rgba(0, 0, 0, 0.02);
    border: 1px solid var(--gray-border);
    transition: all 0.25s ease;
}

.adv-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 30px -12px rgba(0, 0, 0, 0.12);
    border-color: var(--primary-light);
}

.adv-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.adv-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--primary-dark);
}

/* 产品系列区域 */
.product-series {
    margin-top: 2rem;
}

.series-name {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 1.8rem 0 1.5rem 0;
    padding-left: 0.8rem;
    border-left: 5px solid var(--accent);
    color: var(--text-dark);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.8rem;
}

.product-card {
    background: white;
    border-radius: 24px;
    overflow: hidden;
    transition: all 0.25s;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--gray-border);
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 25px -12px rgba(0, 0, 0, 0.12);
}

.product-img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    background: #f4f9fe;
    transition: transform 0.35s ease;
}

.product-card:hover .product-img {
    transform: scale(1.02);
}

.product-info {
    padding: 1rem 0.8rem 1.2rem;
    text-align: center;
    font-size: 1.3rem;
}

.product-name {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--primary-dark);
}

/* 案例卡片描述 */
.case-card .product-info {
    padding: 1rem 0.9rem 1.3rem;
    text-align: left;
}
.case-desc {
    font-size: 1.25rem;
    color: var(--text-light);
    line-height: 1.5;
    margin-top: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 服务特色区块 */
.service-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    background: var(--gray-bg);
    border-radius: 48px;
    padding: 2rem 2rem;
    margin-top: 2rem;
}

.feature-item {
    flex: 1;
    min-width: 160px;
    text-align: center;
}

.feature-item span {
    font-size: 2rem;
}

/* 一键拨号按钮 */
.float-phone {
    position: fixed;
    bottom: 70px;
    right: 28px;
    background-color: var(--primary);
    color: white;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
    z-index: 99;
    transition: 0.2s;
    text-decoration: none;
}

.float-phone:hover {
    background-color: var(--primary-dark);
    transform: scale(1.08);
}

.float-phone svg {
    width: 28px;
    height: 28px;
    fill: white;
}

/* 底部 */
footer {
    background: #0e2a2f;
    color: #cfe3e8;
    padding: 2.5rem 0 1.8rem;
}

.footer-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
}

.friend-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.8rem;
    margin-bottom: 2rem;
    padding: 0.5rem 0 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.friend-links a {
    color: #cfe3e8;
    text-decoration: none;
    padding: 0.3rem 1rem;
    background: rgba(255, 255, 255, 0.07);
    border-radius: 30px;
    transition: 0.2s;
    font-size: 1rem;
}

.friend-links a:hover {
    background: var(--primary-light);
    color: white;
}

.copyright {
    font-size: 1rem;
    line-height: 1.5;
    opacity: 0.7;
}

@media (max-width: 768px) {
    /* ===== 移动端：隐藏桌面导航，显示汉堡按钮 ===== */
    .nav-links { display: none !important; }
    .nav-contact { display: none !important; }
    .nav-mobile-actions { display: flex; }
    .nav-mobile-phone { display: inline-flex; }
    .nav-menu-btn { display: flex; }

    .nav-container {
        padding: 0.6rem 12px;
    }

    .logo {
        font-size: 1.15rem;
    }
    .logo span {
        display: none; /* 移动端隐藏括号手机号 */
    }

    .highlight-data {
        justify-content: space-between;
    }

    .contact-phone-inline {
        padding: 1rem 1.2rem;
        display: block;
        font-size: 1.2rem;
        width: 95%;
        text-align: center;
        margin: 1.2rem auto;
    }

    .data-card {
        flex: 0 0 46%;
    }

    .hero {
        padding: 2rem 0;
    }
    .hero-title {
        font-size: 1.4rem;
        margin-bottom: 0.8rem;
    }
    .hero-desc {
        font-size: 0.95rem;
        margin-bottom: 1.2rem;
    }
    .hero-content {
        padding: 0 14px;
    }
    .product-info {
        padding: 0.8rem 0.6rem 1rem;
        font-size: 1.2rem;
    }
    .product-grid {
        gap: 1rem;
    }
    .section-title {
        font-size: 1.5rem;
        margin-bottom: 1.2rem;
    }

    .stat-item {
        font-size: 0.8rem;
        padding: 0.4rem 1rem;
    }

    .about-image {
        flex: 1;
    }
}


/* 文章详情 */

a {
    color: inherit;
    text-decoration: none;
}

li {
    list-style: none;
}

img {
    max-width: 100%;
}

.section_news .mains .mains_fr_box ul {
    padding: 0;
}

.section_news {
    padding: 55px 0;
}

.phone_medile {
    display: none;
    color: #ffffff;
    cursor: pointer;
    font-size: 15px;
    text-align: center;
    background-color: #0069e6;
    padding: 15px 20px;
    position: fixed;
    bottom: 26px;
    left: 50%;
    width: 80%;
    transform: translate(-50%, 10px);
    border-radius: 330px;
}

.phone_medile img {
    width: 20px;
    vertical-align: middle;
    margin-right: 5px;
}

.section_news .mains {
    display: flex;
    justify-content: space-between;
    gap: 25px;
    align-items: flex-start;
    flex-wrap: wrap;
}

.section_news .mains .mains_fl_box {
    flex: 1;
    padding: 20px 25px;
    background-color: #ffffff;
    margin: 10px 0;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.section_news .mains .mains_fr_box {
    width: 25%;
}

.box_page_line {
    padding: 15px;
    background: #e5ebff;
    border-radius: 10px;
}

.box_page_line .line {
    color: #333333;
    line-height: 1.5;
    font-size: 14px;
}

.box_page_line .line img {
    width: 18px;
}

.section_news .main_box {
    padding: 20px 25px;
    background-color: #ffffff;
    margin: 10px 0;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.section_news .main_content {
    margin: 25px 0;
}

.main_content .title {
    text-align: center;
    padding-bottom: 10px;
    border-bottom: 1px solid #e1e1e1;
}

.main_content .title h4 {
    font-size: 1.8rem;
    line-height: 1.5;
    font-weight: 700;
}

.main_content .title .time {
    color: #999;
    text-align: center;
    width: 100%;
    margin-top: 10px;
    font-size: 12px;
}

.mains .mains_fr_box .box_detail_title {
    color: #204c41;
    box-sizing: border-box;
    border-bottom: 1px solid #e1e1e1;
    align-items: center;
    width: 100%;
    height: 36px;
    padding-left: 6px;
    font-size: 18px;
    font-weight: 700;
    display: flex;
    position: relative;
    margin-bottom: 10px;
}

.mains .mains_fr_box .box_detail_title::before {
    content: "";
    background-color: #204c41;
    width: 100px;
    height: 1px;
    position: absolute;
    bottom: -1px;
    left: 0;
}


.custom-html-style table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15px;
    line-height: 1.5;
}

.custom-html-style table th {
    text-align: center !important;
    padding: 12px 14px;
    white-space: nowrap;
    background-color: #f5f5f5;
    font-weight: 600;
    border-bottom: 2px solid #ddd;
}

.custom-html-style table td {
    text-align: left;
    padding: 12px 14px;
    border-bottom: 1px solid #eee;
}


.custom-html-style ol,
.custom-html-style ul {
    line-height: 28px;
    padding: 0;
}

.custom-html-style li {
    margin-bottom: 8px;
    line-height: 1.7;
    text-indent: 30px;
    list-style: none;
}

.custom-html-style p strong,
.custom-html-style li strong {
    font-weight: 400;
}


.custom-html-style table tbody tr:nth-child(even) {
    background-color: #fafafa;
}


.custom-html-style table tbody tr:hover {
    background-color: #f0f7ff;
}

.custom-html-style table td strong {
    font-weight: 400;
}

.main_content .custom-html-style img {
    max-width: 100%;
    margin: 0 auto;
    display: block;
}

.main_content .custom-html-style p {
    margin: 10px 0;
    font-size: 16px;
    line-height: 2;
    text-indent: 30px;
}

.main_content .custom-html-style h1 {
    border: none;
    margin: 25px 0;
    padding: 0;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.2;
}

.main_content .custom-html-style h2 {
    border: none;
    margin: 20px 0;
    padding: 0;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.7;
    text-indent: 30px;
}

.main_content .custom-html-style h3 {
    border: none;
    margin: 20px 0;
    padding: 0;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.7;
    text-indent: 30px;
}

.main_content .custom-html-style h4 {
    border: none;
    margin: 20px 0;
    padding: 0;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.7;
    text-indent: 30px;
}


.main_content .custom-html-style h5 {
    border: none;
    margin: 20px 0;
    padding: 0;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.7;
    text-indent: 30px;
}

.main_content .custom-html-style em {
    font-style: normal;
}

.main_content .custom-html-style strong {
    font-weight: 400;
}

.main_content .custom-html-style p {
    margin: 10px 0;
    font-size: 16px;
    line-height: 2;
    text-indent: 30px;
}

@media (max-width: 768px) {
    .section_news .mains {
        flex-direction: column;
    }

    .section_news .mains .mains_fr_box {
        width: 100%;
    }
}

/* ===== 分站推荐区 ===== */
.city_web {
    padding: 15px;
}

.rand-shop-100 {
    background: #ffffff;
    padding: 0.95rem 0;
    font-size: 12px;
    line-height: 1.4;
}

.rand-shop-100__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 12px;
}

.rand-shop-100__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
}

.rand-shop-100__item {
    margin: 0;
    min-width: 0;
}

.rand-shop-100__item a {
    display: block;
    padding: 8px 10px;
    color: #4a5568;
    text-decoration: none;
    font-size: 14px;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.rand-shop-100__item a:hover {
    color: #2563eb;
    border-color: #93c5fd;
    background: #eff6ff;
}

.rand-shop-100__list .rand-shop-extra {
    display: none;
}

.rand-shop-100__list.expanded .rand-shop-extra {
    display: list-item;
}

.rand-shop-more-btn {
    display: block;
    width: 130px;
    margin: 12px auto 0;
    cursor: pointer;
    background: #5384c5;
    border-radius: 36px;
    padding: 8px 10px;
    color: #ffffff;
    text-align: center;
    font-size: 14px;
}

.rand-shop-more-btn:hover {
    background: rgba(83, 132, 197, 0.64);
}

@media (max-width: 991px) {
    .rand-shop-100__list {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 575px) {
    .rand-shop-100__list {
        grid-template-columns: repeat(2, 1fr);
        gap: 5px 6px;
    }

    .rand-shop-100__item a {
        font-size: 11px;
        padding: 4px 6px;
    }
}