@charset "utf-8";

/* 页面独立样式：b2b-marketing.html。
   公共样式见 global.css；本文件在 global.css 后加载，保留原章节编号。 */

/* ==========================================================================
   11.0 B2B营销指南 - 页面基础与通用排版
   ========================================================================== */

#marketing-main [hidden] {
    display: none !important;
}

#marketing-main .mk-heading h1 {
    margin-top: 8px;
    color: #032d60;
    font-size: 34px;
    font-weight: 700;
    line-height: 1.5;
}

#marketing-main .mk-heading > p {
    max-width: 48rem;
    margin-top: 8px;
    color: #64758a;
    font-size: 15px;
    line-height: 1.9;
}

#marketing-main .mk-card h3 {
    margin: 0 0 8px;
    color: #12304e;
    font-size: 20px;
    font-weight: 600;
    line-height: 1.6;
}

#marketing-main .mk-card p {
    margin: 0;
    color: #62758a;
    font-size: 15px;
    line-height: 1.85;
}

.mk-pagination button {
    min-width: 40px;
    height: 40px;
    padding: 0 13px;
    border: 1px solid #d7e1ec;
    border-radius: 6px;
    background: #fff;
    color: #526579;
    font-size: 13px;
}

.mk-pagination button[aria-current=page] {
    background: #0869d8;
    border-color: #0869d8;
    color: #fff;
}

.mk-pagination button:disabled {
    opacity: .4;
    cursor: default;
}

#marketing-main .mk-empty h2 {
    color: #032d60;
    font-size: 22px;
}

#marketing-main .mk-empty p {
    margin: 12px 0 24px;
    color: #728197;
    font-size: 14px;
}

/* ==========================================================================
   11.1 B2B营销指南 - Hero首屏与面包屑
   ========================================================================== */

.mk-hero {
    padding: 126px 0 32px;
    background: linear-gradient(125deg,#f0f6ff,#f8fbff 70%,#edf7fd);
    border-bottom: 1px solid #dce6f0;
}

/* ==========================================================================
   11.4 B2B营销指南 - 服务、理念与功能模块
   ========================================================================== */

.mk-feature {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: center;
    gap: 44px;
    min-height: 340px;
    padding: 40px 44px;
    border-radius: 18px;
    background: radial-gradient(ellipse at 90% 10%, #136bab, transparent 65%), linear-gradient(125deg, #032d60, #06467c);
    color: #fff;
}

.mk-feature-label {
    display: inline-block;
    padding: 4px 12px;
    border: 1px solid #ffffff40;
    border-radius: 20px;
    color: #c9e7ff;
    font-size: 14px;
}

#marketing-main .mk-feature h2 {
    margin: 20px 0 16px;
    color: #fff;
    font-size: 34px;
    font-weight: 600;
    line-height: 1.45;
    letter-spacing: -.6px;
}

#marketing-main .mk-feature-copy p {
    color: #c4d8ec;
    font-size: 15px;
    line-height: 1.85;
}

.mk-feature-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 22px;
    margin-top: 26px;
    padding: 12px 18px;
    border: 1px solid #fff;
    border-radius: 6px;
    background: #fff;
    color: #06417a;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.6;
    text-decoration: none;
    transition: background .2s, border-color .2s;
}

.mk-feature-copy {
    min-width: 0;
}

#marketing-main .mk-feature-link {
    color: #06417a;
}

#marketing-main .mk-feature-link:hover {
    border-color: #e7f3ff;
    background: #e7f3ff;
}

#marketing-main .mk-feature-link:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 5px;
}

#marketing-main .mk-feature-steps {
    margin: 0;
    padding: 4px 24px;
    border: 1px solid #ffffff30;
    border-radius: 14px;
    background: #ffffff09;
    list-style: none;
}

.mk-feature-steps > li {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 22px 0;
}

.mk-feature-steps > li + li {
    border-top: 1px solid #ffffff24;
}

.mk-feature-number {
    display: grid;
    flex-shrink: 0;
    place-items: center;
    width: 38px;
    height: 38px;
    border: 1px solid #b4dcff60;
    border-radius: 50%;
    color: #d2eaff;
    font-size: 13px;
    font-weight: 600;
}

.mk-feature-steps strong {
    color: #fff;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.5;
}

#marketing-main .mk-feature-steps p {
    margin-top: 5px;
    color: #c4d8ec;
    font-size: 13px;
    line-height: 1.8;
}

/* ==========================================================================
   11.8 B2B营销指南 - 专项组件与兼容样式
   ========================================================================== */

.mk-heading {
    margin-bottom: 30px;
}

.mk-library.mk-wrap {
    max-width: 1160px;
    padding-top: 36px;
    padding-bottom: 64px;
    scroll-margin-top: 110px;
}

#mk-library-title {
    margin-bottom: 16px;
    color: #032d60;
    font-size: 22px;
    line-height: 1.5;
}

.mk-toolbar {
    margin-bottom: 24px;
}

.mk-category-tabs {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 4px;
    max-width: 100%;
    padding: 4px;
    border: 1px solid #dbe6f3;
    border-radius: 10px;
    background: #f1f6fc;
}

.mk-category-tabs button {
    min-height: 44px;
    padding: 8px 18px;
    border-radius: 7px;
    background: transparent;
    color: #41566e;
    font: inherit;
    font-weight: 600;
    white-space: nowrap;
    cursor: pointer;
}

.mk-category-tabs button:hover {
    background: #e5effa;
}

.mk-category-tabs button[aria-pressed="true"] {
    background: #fff;
    color: #075ab4;
    box-shadow: 0 1px 5px #153f7020;
}

.mk-category-tabs button:focus-visible {
    outline: 2px solid #0869d8;
    outline-offset: -2px;
}

.mk-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
}

.mk-card {
    min-width: 0;
    padding: 26px 30px;
    border: 1px solid #e5ebf2;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 3px 14px #153f7008;
    transition: border-color .2s, box-shadow .2s;
}

.mk-card:hover {
    border-color: #c2d8ef;
    box-shadow: 0 5px 20px #153f7010;
}

.mk-list-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px 14px;
    margin-bottom: 14px;
    color: #6b7e92;
    font-size: 13px;
    line-height: 1.7;
}

.mk-category,
.mk-card-pin {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    line-height: 1.7;
}

.mk-category {
    background: #edf4fc;
    color: #1263ad;
}

.mk-card-pin {
    background: #1263ad;
    color: #fff;
    font-weight: 600;
}

#marketing-main .mk-card:hover h3,
#marketing-main .mk-card:focus-visible h3 {
    color: #0869d8;
}

.mk-card:focus-visible {
    outline: 3px solid #176bdb;
    outline-offset: 3px;
}

#marketing-main .mk-card .mk-read-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    color: #0869d8;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.7;
}

.mk-read-more > span {
    font-size: 20px;
    line-height: 1;
}

.mk-pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}

.mk-empty {
    padding: 70px 20px;
    text-align: center;
}

/* ==========================================================================
   11.9 B2B营销指南 - 响应式与交互适配
   ========================================================================== */

@media (max-width:1000px) {

    #marketing-main .mk-feature h2 {
        font-size: 29px;
    }

}

@media (min-width: 761px) and (max-width: 1000px) {
    .mk-feature {
        gap: 28px;
        padding: 32px;
    }

    #marketing-main .mk-feature-steps {
        padding-inline: 18px;
    }

    .mk-feature-steps > li {
        gap: 12px;
    }
}

@media (max-width:760px) {

    .mk-hero {
        padding-top: 106px;
    }

    #marketing-main .mk-heading h1 {
        font-size: 28px;
    }

    #marketing-main .mk-heading > p {
        margin-top: 14px;
        font-size: 14px;
    }

    .mk-feature {
        grid-template-columns: 1fr;
        gap: 26px;
        padding: 28px;
    }

    #marketing-main .mk-feature h2 {
        font-size: 29px;
    }

}

@media (max-width:480px) {
    #marketing-main .mk-feature h2 {
        font-size: 27px;
    }

}

@media (max-width: 600px) {
    .mk-category-tabs {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .mk-category-tabs button {
        padding-inline: 4px;
    }

}

@media (max-width: 480px) {
    .mk-feature {
        padding: 28px 22px;
    }

    #marketing-main .mk-feature-steps {
        padding-inline: 16px;
    }

    .mk-feature-steps > li {
        gap: 14px;
        padding-block: 18px;
    }

    .mk-feature-steps strong {
        font-size: 17px;
    }
}

@media (max-width: 600px) {
    .mk-card {
        padding: 22px 20px;
    }

    #marketing-main .mk-card h3 {
        font-size: 18px;
    }

    #marketing-main .mk-card p {
        font-size: 14px;
    }

    .mk-list-meta {
        gap: 8px 10px;
        margin-bottom: 12px;
    }
}