/* 关于我们页面样式 */
.aboutus-section {
    max-width: 900px;
    margin: 0 auto 36px auto;
    padding: 0 16px;
}

.aboutus-title {
    font-size: 22px;
    font-weight: 700;
    color: #0052D9;

    /* padding-left: 10px; */
    margin-bottom: 24px;
    margin-top: 32px;
    position: relative;
}

.aboutus-title::after {
    content: ' ';
    left: 0;
    bottom: -8px;
    width: 100px;
    height: 4px;
    background-color: #0052D9;
    position: absolute;
}

.aboutus-subtitle {
    font-size: 18px;
    font-weight: 700;
    color: #0052D9;
    /* border-left: 3px solid #0052D9; */
    /* padding-left: 8px; */
    margin-bottom: 18px;
    margin-top: 28px;
}

.aboutus-intro-row {
    display: flex;
    gap: 15px;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 12px;
}

.aboutus-intro-text {
    flex: 1 1 0;
    font-size: 15px;
    color: #222;
    line-height: 1.8;
}

.aboutus-intro-img {
    flex: 0 0 360px;
    max-width: 360px;
}

.aboutus-intro-img img {
    width: 100%;
    /* border-radius: 8px; */
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.aboutus-concept-text,
.aboutus-advantage-text {
    font-size: 15px;
    color: #222;
    line-height: 1.8;
    margin-bottom: 8px;
}

.aboutus-stats-bg {
    background: url('/static/image/aboutus-stats-bg.png') center/cover no-repeat;
    /* border-radius: 10px; */
    padding: 32px 150px;
    margin: 24px 0 0 0;
}

.aboutus-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0 24px;
    max-width: 800px;
    margin: 0 auto;
}

.aboutus-stat {
    text-align: center;
}

.aboutus-stat-num {
    font-size: 32px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 6px;
}

.aboutus-stat-label {
    font-size: 15px;
    color: #e3eaf5;
}

.aboutus-honor-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 18px;
}

.aboutus-honor-item {
    text-align: center;
    border: 2px solid #C6C3BC;
    padding: 5px;
    transition: all .16s ease;

}

.aboutus-honor-item:hover {
    border: 2px solid #0F4CBA;
}

.aboutus-honor-item img {
    width: 100%;
    /* max-width: 160px; */
    border-radius: 6px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    margin-bottom: 8px;
}

.aboutus-honor-label {
    font-size: 14px;
    color: #333;
    margin-top: 2px;
}


/* Reset and base */
* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
    color: #222;
}

.container {
    max-width: 1180px;
    margin: 0 auto;
}

.nav-container {
    max-width: 1220px;
}

/* Header */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100px;
    background: #fff;
}

.logo {
    display: flex;
    align-items: center;
    height: 50px;
    width: 185px;
    /* background-color: #c62828; */
}

.logo-img {
    width: 110px;
    height: 56px;
    background-color: #c62828;
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    border-radius: 2px;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
}


.search-box {
    display: flex;
    justify-content: center;
}

.search-form {
    width: 420px;
    max-width: 100%;
    position: relative;
}

.search-form input[type="search"] {
    width: 100%;
    height: 40px;
    padding: 8px 44px 8px 12px;
    border: 2px solid #5B5B5B;
    border-radius: 4px;
    font-size: 14px;
    outline: none;
}

.search-form input[type="search"]::placeholder {
    color: #a8a8a8;
}

.search-form button {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    border: 0;
    background: transparent;
    color: #555;
    font-size: 16px;
    padding: 6px 10px;
    cursor: pointer;
}

/* Navigation */
.nav {
    border-bottom: 1px solid #eee;
    padding-bottom: 6px;
    /* overflow-x: auto; */
    position: relative;
    /* ensure z-index and absolutely-positioned submenus stack above other content */
    z-index: 99999;
}

.nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 28px;
}

.nav ul li {
    position: relative;
}

 @media (min-width: 768px) {
    .nav ul li:hover ul.sub-nav {
        display: block;
    }
} 

.nav ul li:hover ul.sub-nav.active {
    display: block !important;
}

/* .nav ul li:active ul.sub-nav {
    display: block;
} */

.nav ul.sub-nav {
    display: none;
    position: absolute;
    z-index: 9999999;
    background-color: #fff;
}

.btn-close {
    display: none;
}

.nav a {
    display: inline-block;
    padding: 8px 20px;
    color: #333;
    text-decoration: none;
    border-radius: 4px;
    font-size: 20px;
    position: relative;
    padding-bottom: 14px;
    white-space: nowrap;
}

.nav a:hover {
    background: transparent;
    color: #1976d2;
}

/* active underline */
.nav a::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    transform-origin: center;
    bottom: 4px;
    height: 3px;
    width: 60%;
    background: #1976d2;

    .nav li {
        position: relative;
    }

    .nav .sub-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        background: #fff;
        padding: 8px 6px;
        border-radius: 6px;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        min-width: 200px;
        /* ensure submenu floats above other page elements (banners, floats) */
        z-index: 99999999;
    }

    /* Submenu close button (visible on touch devices or when submenu is open) */
    .nav .sub-nav .sub-close {
        position: absolute;
        top: 6px;
        right: 6px;
        background: transparent;
        border: 0;
        color: #222;
        font-size: 18px;
        line-height: 1;
        padding: 6px;
        border-radius: 4px;
        cursor: pointer;
        display: none;
        /* default hidden on hover-capable devices */
    }

    /* show close button when submenu is open */
    .nav li.open>.sub-nav .sub-close,
    .nav li:focus-within>.sub-nav .sub-close,
    .nav li:hover>.sub-nav .sub-close {
        display: block;
    }

    /* On touch devices, always show the close control for discoverability */
    @media (hover: none) {
        .nav .sub-nav .sub-close {
            display: block;
        }
    }

    .nav li:hover>.sub-nav,
    .nav li:focus-within>.sub-nav,
    .nav li.open>.sub-nav {
        display: block;
    }

    .nav .sub-nav li {
        display: block;
    }

    .nav .sub-nav a {
        display: block;
        padding: 8px 12px;
        color: #222;
        white-space: nowrap;
    }

    .nav .sub-nav a:hover,
    .nav .sub-nav a:focus {
        background: #f5f8ff;
        color: #1976d2;
    }

    border-radius: 2px;
    transition: transform .18s ease;
}

.nav a.active {
    color: #1976d2;
}

.nav a.active::after {
    transform: translateX(-50%) scaleX(1);
}

.banner {
    overflow: hidden;
    min-height: 600px;
}

.banner img {
    width: 100%;
    height: 100%;
}

.section {
    padding: 60px 0 46px 0;
}



.support-inner {
    max-width: 1080px;
    margin: 0 auto;
    text-align: center;
}

.support-title {
    font-size: 28px;
    margin: 0 0 8px;
    font-weight: 800;
    color: #18181A;
}

.blue-text,
.support-title span {
    color: #0052D9;
}

.support-desc {
    color: #4A4A4A;
    margin: 10px 0 28px;
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    align-items: start;
}

.card {
    background: #fafafa;
    padding: 28px 18px;
    /* border: 1px solid #efefef; */
    /* border-radius: 4px; */
    text-align: center;
    transition: transform .16s ease, box-shadow .16s ease;
}

.card:focus,
.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 24px rgba(15, 30, 60, 0.06);
    outline: none;
}

.card-icon {
    width: 64px;
    height: 64px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 14px;
    font-size: 64px;
    color: #0b214a;
    /* border: 2px solid rgba(11, 33, 74, 0.06); */
    /* background: #fff; */
}

.card-title {
    font-size: 20px;
    margin: 30px 0 30px;
    color: #0b214a;
}

.card-text {
    color: #18181A;
    font-size: 14px;
    line-height: 1.6;
    min-height: 72px;
    margin-bottom: 14px;
}

.card-link {
    color: #18181A;
    text-decoration: underline;
    text-decoration-skip-ink: 2px;
    font-weight: 600;
    font-size: 14px;
}

.card-highlight .card-icon,
.card.card-highlight .card-icon,
.card:hover .card-icon {
    background: #0052D9;
    color: #fff;
    border-color: transparent;
}

.card:hover,
.card.card-highlight {
    background: #0052D9;
    color: #fff;
    border-color: #0052D9;
}

.card:hover .card-title,
.card:hover .card-text,
.card:hover .card-link {
    color: #fff;
}


.card.card-highlight .card-title,
.card.card-highlight .card-text,
.card.card-highlight .card-link {
    color: #fff;
}


/* Company section */
.section-company {
    padding: 66px 0;
    background: linear-gradient(180deg, #0b0f13 0%, #0b0f13 100%);
    color: #fff;
}

.company-inner {
    max-width: 1080px;
    margin: 0 auto;
    display: flex;
    gap: 40px;
    align-items: center;
}

.company-media {
    position: relative;
    flex: 0 0 400px;
    /* background-color: #c62828; */
    height: 400px;
    position: relative;
    padding-left: 25px;
}

.company-media .block {
    position: relative;

}

.company-media .block::before {
    content: ' ';
    position: absolute;
    width: 25px;
    height: 130px;
    background-color: #0052D9;
    left: -25px;
    bottom: 0;
}

.company-media .block::after {
    content: ' ';
    position: absolute;
    width: 185px;
    height: 25px;
    background-color: #0052D9;
    left: -25px;
    bottom: -25px;
}

.company-media img {
    width: 100%;
    height: auto;
    display: block;
}


.company-content {
    flex: 1;
}

.company-heading {
    font-size: 28px;
    margin: 0 0 8px;
    color: #fff;
    font-weight: 800;
}

.company-heading::after {
    content: '';
    display: block;
    width: 115px;
    height: 3px;
    background: #0b78e6;
    margin-top: 8px;
    margin-bottom: 18px;
    border-radius: 2px;
}

.company-name {
    font-size: 18px;
    color: #FEFEFE;
    margin: 40px 0;
}

.company-content p {
    color: #FEFEFE;
    line-height: 1.9;
    font-size: 16px;
    margin-bottom: 12px;
}


/* Features (服务内容与特色) */
.section-features {
    background: linear-gradient(0deg, #1C4082 0%, #0052D9 100%);
    color: #fff;
    padding: 46px 0;
}

.features-inner {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 16px;
    text-align: center;
}

.features-title {
    font-size: 22px;
    margin-bottom: 18px;
    font-weight: 700;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
    align-items: start;
}

.feature-item {
    background: transparent;
    padding: 18px;
    color: rgba(255, 255, 255, 0.95);
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
    margin-bottom: 12px;
}

.feature-item h3 {
    font-size: 18px;
    margin: 16px 0;
}

.feature-item p {
    font-size: 14px;
    color: #FFFFFF;
    line-height: 1.9;
}

/* Partners (合作资源与优势) - background image with overlay */
.section-partners {
    padding: 60px 0;
    background-image: url('/static/image/partners.png');
    background-size: cover;
    background-position: center;
    position: relative;
}

.partners-inner {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
    color: #fff;
    text-align: center;
}

.partners-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 25px;
    z-index: 999;
}

.partners-desc {
    color: #FFFFFF;
    line-height: 1.9;
    margin-bottom: 10px;
}


/* 出版领域 Section */
.section-domains {
    padding: 56px 0;
    background: #f6f7f8;
}

.domains-inner {
    max-width: 1120px;
    margin: 0 auto;
    text-align: center;
    padding: 0 16px;
}

.domains-title {
    font-size: 26px;
    margin-bottom: 6px;
    color: #0b214a;
    font-weight: 800;
}

.domains-desc {
    color: #6b6b6b;
    margin-bottom: 26px;
}

.domains-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 35px;
    align-items: stretch;
}

.domain-card {
    background: #0052D9;
    color: #fff;
    /* padding: 26px 18px; */
    border-radius: 4px;
    box-shadow: 0 14px 30px rgba(11, 120, 230, 0.12);
    text-align: left;
    min-height: 260px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 8px 0px 24px 0px rgba(67, 67, 67, 0.21);
    position: relative;
    padding-bottom: 15px;
    padding-right: 15px;
}

.domain-card:hover .domain-note {
    display: block;
}

.domain-card:hover .domain-icon {
    color: rgba(255, 255, 255, 0.2);
}

.domain-icon {
    width: 64px;
    height: 64px;
    border-radius: 6px;
    /* background: rgba(255, 255, 255, 0.08); */
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 46px;
    color: #fff;
    margin: 0 auto;
    margin-bottom: 30px;
    margin-top: 35px;

}

.domain-name {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
    position: relative;
    box-shadow: 8px 0px 24px 0px rgba(67, 67, 67, 0.21);
    border-right: 1px solid #fff;
    color: #0052D9;
    background-color: #fff;
    width: 100px;
    height: 35px;
    line-height: 35px;
    padding-left: 15px;
}

.domain-name::after {
    content: ' ';
    position: absolute;
    /* 右上三角形 */
    width: 0;
    height: 0;
    border-left: 15px solid #fff;
    border-bottom: 35px solid transparent;
    right: -15px;
    top: 0;
    overflow: hidden;

}

.domain-note {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    background-color: rgba(0, 0, 0, 0.2);
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    top: 0;
    display: none;
    padding: 30px 20px;
}

.domain-link {
    color: #fff;
    text-align: right;
    font-size: 14px;
    display: block;
    margin-top: 30px;
}


/* 流程指引 (flow) */
.section-flow {
    padding: 56px 0;
    background: #fff;
}

.flow-inner {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 16px;
    text-align: center;
}

.flow-title {
    font-size: 24px;
    color: #0b214a;
    font-weight: 800;
    margin-bottom: 6px;
}

.flow-sub {
    color: #6b6b6b;
    margin-bottom: 22px;
}

.flow-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap;
}

.flow-step {
    background: transparent;
    width: 180px;
    padding: 12px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.flow-step.last .flow-icon {
    height: 100px;
    width: 82px;
}

.flow-icon {
    width: 72px;
    height: 72px;
    /* border-radius: 50%; */
    /* background: #0b78e6; */
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 28px;
    margin-bottom: 12px;
}

.flow-icon img {
    width: 100%;
    height: 100%;
}

.flow-step-title {
    font-size: 18px;
    color: #0052D9;
    font-weight: 700;
    margin-bottom: 8px;
}

.flow-step-desc {
    font-size: 14px;
    color: #828181;
    margin-bottom: 14px;
    min-height: 40px;
}

.flow-cta {
    background: #0b78e6;
    color: #fff;
    border: 0;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 700;
}

.flow-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    /* font-size: 36px; */
    width: 50px;
    height: 47px;
    color: #d6dbe0;
    /* padding: 0 6px; */
    background: url('/static/image/db-arrow.png') 100% 100% no-repeat;
    /* background-size: cover; */
}


/* 最后一个版块：优势统计与服务卡片 */
.section-content {
    padding: 56px 0;
    background: #F5F5F5;
}

.content-inner {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 16px;
    text-align: center;
}

.content-title {
    margin: 0px 0 50px 0;
}

.stats-strip {
    background: url('/static/image/data-bg.png') 100% 100% no-repeat;
    color: #fff;
    border-radius: 4px;
    padding: 25px 0;
    margin-bottom: 28px;
}

.stats-wrap {
    display: flex;
    justify-content: space-around;
    align-items: center;
    max-width: 600px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
}

.stat-num {
    font-size: 32px;
    font-weight: 800;
    line-height: 1;
    white-space: nowrap;
}

.stat-num span {
    font-size: 14px;
    font-weight: 600;
}

.stat-label {
    margin-top: 6px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.9);
}

.service-cards {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
}

.svc-card {
    /* background: linear-gradient(180deg, #1e73d0 0%, #0b78e6 100%); */
    /* background-color: #c62828; */
    color: #fff;
    /* border-radius: 4px; */
    padding: 18px;
    /* box-shadow: 0 12px 24px rgba(11, 120, 230, 0.12); */
    min-height: 280px;
    display: flex;
    align-items: flex-start;
    text-align: left;
}

.svc-card-1 {
    background: url('/static/image/svc/1.png') center center no-repeat;
    background-size: cover;

}

.svc-card-2 {
    background: url('/static/image/svc/2.png') center center no-repeat;
    background-size: cover;

}

.svc-card-3 {
    background: url('/static/image/svc/3.png') center center no-repeat;
    background-size: cover;

}

.svc-card-4 {
    background: url('/static/image/svc/4.png') center center no-repeat;
    background-size: cover;

}

.svc-card-5 {
    background: url('/static/image/svc/5.png') center center no-repeat;
    background-size: cover;

}

.svc-body h4 {
    margin: 0 0 8px;
    font-size: 16px;
}

.svc-body p {
    margin: 0;
    font-size: 13px;
    line-height: 1.6;
    opacity: 0.95;
}

/* Small polish */
.search-form button:focus,
.search-form input:focus {
    outline: none;
}



.footer {
    background-color: #3F3F3F;
    text-align: center;
    padding: 20px;
    color: #8a8a8a;
    font-size: 14px;
}
.footer a {
    color: #8a8a8a;
    text-decoration: none;
}

/* 国际出版优势区块 */
.intl-advantage {
    padding: 48px 0 32px 0;
    text-align: center;
}

.intl-adv-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 32px;
    color: #222;
    position: relative;
}

.intl-adv-title::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 76px;
    height: 2px;
    background: #0052D9;
    /* top: 100%; */
    bottom: -8px;
    background: url(/static/image/dot-line.png) no-repeat;
}

.dot-title {
    position: relative;
    margin-bottom: 50px !important;
}

.dot-title::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 76px;
    height: 2px;
    background: #0052D9;
    /* top: 100%; */
    bottom: -8px;
    background: url(/static/image/dot-line.png) no-repeat;
}

.intl-adv-cards {
    display: flex;
    justify-content: center;
    gap: 32px;
    background: #fff;
    box-shadow: 3px 0px 27px 0px rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    padding: 32px 18px;
    max-width: 900px;
    margin: 68px auto 48px auto;
}

.intl-adv-card {
    flex: 1 1 0;
    min-width: 180px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.intl-adv-icon {
    /* font-size: 32px;
    color: #0052D9; */
    margin-bottom: 8px;
    background: url('/static/image/intl-adv-icon.png') 100% 100%;
    width: 39px;
    height: 42px;
}

.intl-adv-desc {
    font-size: 15px;
    color: #222;
    margin-bottom: 8px;
}

.intl-adv-btn {
    background: #0052D9;
    color: #fff;
    border: none;
    border-radius: 4px;
    padding: 6px 22px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background .18s;
}

.intl-adv-btn:hover {
    background: #1251a5;
}

/* 出书案例区块 */
.intl-cases {
    padding: 32px 0 48px 0;
    text-align: center;
}

.intl-cases-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 28px;
    color: #222;
}

.intl-cases-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.case-img-box {
    position: relative;
    border: 2px solid #C6C6C6;
    /* height: 252px; */
    padding: 8px 15px;
}

.case-img {
    width: 100%;
}

/* 服务项目 - 出版注意事项 */
.service-section {
    max-width: 1100px;
    margin: 36px auto;
    padding: 0 16px;
}

.service-section .service-title {
    text-align: center;
    font-size: 22px;
    font-weight: 700;
    color: #222;
    margin-bottom: 60px;
}


.service-section .service-cards {
    /* display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 80px;
    align-items: start; */
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px 80px;
    flex-wrap: wrap;
}

.service-section .service-card {
    background: #fff;
    border: 2px solid #0052D9;
    /* border-radius: 4px; */
    overflow: hidden;
    width: 300px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.04);
}

.service-section .service-card .card-head {
    background: #0052D9;
    color: #fff;
    padding: 16px 12px;
    font-weight: 700;
    text-align: center;
}

.service-section .service-card .card-body {
    padding: 18px 16px;
    color: #222;
    font-size: 14px;
    line-height: 1.8;
    min-height: 260px;
}

.service-section .service-card .card-body ol {
    margin: 0;
    padding-left: 18px;
}

.service-section .service-card .card-body li {
    margin-bottom: 8px;
}


/* 合作出版社样式 */
.partners-section {
    max-width: 1100px;
    margin: 40px auto;
    padding: 0 16px;
}

.partners-section .partners-title {
    text-align: center;
    font-size: 22px;
    font-weight: 700;
    color: #222;
    margin-bottom: 22px;
}

.partners-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    grid-auto-rows: minmax(160px, auto);
    gap: 20px;
    align-items: start;
}

.partner-card {
    /* background: linear-gradient(180deg, rgba(25, 118, 210, 0.95), rgba(25, 118, 210, 0.85)); */
    background: url('/static/image/srv_1.png') center/cover no-repeat;
    color: #fff;
    /* border-radius: 8px; */
    padding: 18px;
    box-shadow: 0 8px 30px rgba(25, 118, 210, 0.08);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 240px;
    text-align: center;
}

.partner-card:nth-child(2) {
    background: url('/static/image/srv_2.png') center/cover no-repeat;
}

.partner-card:nth-child(3) {
    background: url('/static/image/srv_3.png') center/cover no-repeat;
}

.partner-card:nth-child(4) {
    background: url('/static/image/srv_4.png') center/cover no-repeat;
}

.partner-card:nth-child(5) {
    background: url('/static/image/srv_5.png') center/cover no-repeat;
}

.partner-large {
    grid-row: span 2;
    height: 500px;
    background: url('/static/image/srv_1.png') center/cover no-repeat;
}

.partner-inner h4 {
    margin: 0 0 30px 0;
    font-size: 22px;
    font-weight: 700;
}

.partner-inner ul {
    margin: 0;
    padding-left: 18px;
    list-style: none;
}

.partner-inner ul li {
    margin-bottom: 10px;
    white-space: nowrap;
}


.partner-inner p {
    margin: 0;
    line-height: 1.6;
}

/* 图书案例样式 */
.bookcases-section {
    max-width: 1100px;
    margin: 40px auto;
    padding: 0 16px 40px 16px;
}

.bookcases-title {
    text-align: center;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 18px;
}

.book-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 18px;
    list-style: none;
    padding: 0;
    margin: 0 auto;
}

.book-item {
    background: #fff;
    border: 2px solid #C6C6C6;
    display: flex;
    align-items: center;
    justify-content: center;
    max-height: 250px;
    max-width: 218px;
    padding: 50px 18px;
    overflow: hidden;
}
.case-img-box:hover,
.book-item:hover {
    border-color: #0052D9;
}
.case-img-box:hover img,
.book-item:hover img {
    transform: scale(1.3);
    transition: all 0.4s ease;

}
.case-img-box:hover img{
    transition: all 0.3s ease;
    transform: scale(1.1);
}

.case-img-box img,
.book-item img {
    width: 100%;
    height: auto;
    display: block;
}


/* 选题分类（服务页） */
.topic-section {
    /* max-width: 900px; */
    padding: 0 16px;
    text-align: center;
    background: #E6E6E6;
}

.topic-inner {
    max-width: 1180px;
    padding: 100px 0 100px 0;
    margin: 0 auto;
}

.topic-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 18px;
    color: #222;
}

.topic-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px 28px;
    justify-items: center;
}

.topic-card {
    width: 100%;
    max-width: 420px;
    border: 2px solid #1976d2;
    /* border-radius: 6px; */
    padding: 18px 14px;
    background: #fff;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.04);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.topic-card h4 {
    color: #1976d2;
    margin: 0 0 8px 0;
    font-size: 16px;
    font-weight: 700;
}

.topic-card p {
    margin: 0;
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    text-align: center;
}

.topic-cta-wrap {
    margin-top: 22px;
}

.topic-cta {
    display: inline-block;
    background: #0052D9;
    color: #fff;
    padding: 10px 46px;
    border-radius: 26px;
    text-decoration: none;
    font-weight: 700;
}


/* 右侧浮动工具栏 */
.float-tools {
    position: fixed;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 9999;
}

.ft-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ft-item {
    position: relative;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #fff;
    color: #1976d2;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
    cursor: pointer;
    transition: background .15s ease, color .15s ease, transform .12s ease;
}

.ft-item a {
    color: inherit;
    display: block;
    width: 100%;
    height: 100%;
    text-align: center;
    line-height: 48px;
}

.ft-item i {
    font-size: 18px;
}

.ft-item:hover,
.ft-item.show {
    background: #0052D9;
    color: #fff;
    transform: translateY(-4px);
}

.ft-tooltip {
    position: absolute;
    right: 62px;
    top: 50%;
    transform: translateY(-50%) translateX(6px);
    background: #fff;
    border-radius: 6px;
    padding: 8px 10px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border: 1px solid rgba(0, 0, 0, 0.06);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all .16s ease;
    text-align: left;
    color: #0052D9;
}

.ft-item:hover .ft-tooltip,
.ft-item.show .ft-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
}

.ft-tooltip strong {
    color: #1976d2;
    font-size: 16px;
    display: block;
}

.ft-qr-box img {
    display: block;
    width: 120px;
    height: 120px;
    object-fit: cover;
}


/* 自定义 Swiper 分页样式（横向圆角指示器/类似示例图） */
.banner .swiper {
    position: relative;
}

.banner .swiper-slide img {
    width: 100%;
    height: auto;
    display: block;
}

.banner .swiper-pagination {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 30px;
    /* display: flex; */
    gap: 10px;
    z-index: 40;
}

.banner .swiper-pagination-bullet {
    width: 40px;
    height: 10px;
    border-radius: 12px;
    background: #C4C4C4;
    /* border: 2px solid rgba(25,118,210,0.95); */
    opacity: 1;
    /* box-shadow: 0 4px 10px rgba(0,0,0,0.08); */
    transition: all .16s ease;
}

.banner .swiper-pagination-bullet-active {
    background: #FFFFFF;
    /* transform: scale(1.2); */
    width: 80px;
}

.js-link{
    cursor: pointer;
}


.layui-layer-title.layui-layer-title{
    font-size: 18px;
}