:root {
    --primary: #0c91eb;
    --primary-dark: #2b6dad;
    --text: #333;
    --muted: #8b939a;
    --line: #e7e7e7;
    --orange: #e59221;
    --page: #f1f1f1;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body, h1, h2, h3, p, ul, ol, li, dl, dt, dd {
    margin: 0;
    padding: 0;
}

body {
    min-width: 1200px;
    color: var(--text);
    background: #fff;
    font: 14px/1.5 "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}

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

a:hover {
    color: #f60;
}

img {
    display: block;
    max-width: 100%;
}

button, input, select {
    font: inherit;
}

.wrapper {
    width: 1200px;
    margin: 0 auto;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.site-header {
    height: 70px;
    background: #fff;
    border-bottom: 1px solid #e5e5e5;
    box-shadow: 0 1px 5px rgba(0, 0, 0, .03);
    z-index: 100;
}

.site-header.is-fixed {
    position: sticky;
    top: 0;
    box-shadow: 0 4px 18px rgba(27, 72, 112, .12);
}

.header-inner {
    width: 1310px;
    height: 70px;
    display: flex;
    align-items: center;
}

.brand {
    width: 190px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    color: var(--primary-dark);
    font-size: 30px;
    font-weight: 700;
    letter-spacing: 4px;
    flex: 0 0 190px;
}

.brand img {
    max-width: 175px;
    max-height: 55px;
    object-fit: contain;
}

.search {
    width: 710px;
    height: 36px;
    display: flex;
    border: 1px solid var(--primary);
    background: #fff;
}

.search-type {
    width: 90px;
    border-right: 1px solid #e0e0e0;
}

.search-type select {
    width: 100%;
    height: 34px;
    border: 0;
    padding: 0 9px;
    color: #555;
    background: #fff;
    outline: none;
}

.search input[type="search"] {
    min-width: 0;
    flex: 1;
    height: 34px;
    padding: 0 12px;
    border: 0;
    outline: none;
    color: #222;
}

.search button {
    position: relative;
    width: 90px;
    padding-left: 18px;
    border: 0;
    cursor: pointer;
}

.search button::before {
    content: "";
    position: absolute;
    top: 9px;
    left: 9px;
    width: 13px;
    height: 13px;
    border: 2px solid currentColor;
    border-radius: 50%;
}

.search button::after {
    content: "";
    position: absolute;
    top: 22px;
    left: 22px;
    width: 7px;
    height: 2px;
    background: currentColor;
    transform: rotate(45deg);
    transform-origin: left center;
}

.paper-search {
    color: #333;
    background: #e9e9e9;
}

.journal-search {
    color: #fff;
    background: var(--primary);
}

.search button:hover {
    filter: brightness(.96);
}

.header-links {
    flex: 1;
    min-width: 0;
    display: flex;
    justify-content: flex-end;
    padding-left: 12px;
    overflow: hidden;
    white-space: nowrap;
}

.header-links a {
    padding: 0 7px;
    font-size: 13px;
    line-height: 36px;
}

.content {
    display: grid;
    grid-template-columns: 120px 712px 250px;
    column-gap: 20px;
    align-items: start;
    padding: 20px 0 100px;
}

.category-panel,
.middle-column,
.ranking-panel {
    background: transparent;
}

.category-panel {
    min-height: 300px;
    overflow: visible;
    font-weight: 700;
}

.category-panel h2,
.ranking-panel h2 {
    height: 22px;
    padding: 0;
    color: var(--primary-dark);
    font-size: 18px;
    font-weight: 700;
    line-height: 22px;
    border-bottom: 0;
}

.category-panel h2 {
    margin-bottom: 10px;
}

.category-list a {
    height: 20px;
    margin-bottom: 20px;
    padding: 0;
    display: flex;
    align-items: center;
    border-bottom: 0;
    transition: background .18s, color .18s;
}

.category-list a:hover {
    color: var(--primary);
    background: transparent;
}

.category-icon {
    width: 20px;
    height: 20px;
    margin-right: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.category-icon img {
    width: 20px;
    height: 20px;
    object-fit: contain;
}

.category-icon i {
    width: 20px;
    height: 20px;
    color: #fff;
    background: var(--primary);
    border-radius: 50%;
    font-size: 12px;
    line-height: 20px;
    text-align: center;
    font-style: normal;
}

.category-list a:hover .category-icon i {
    color: #fff;
    background: var(--primary);
}

.category-list a > span:nth-child(2) {
    flex: 1;
    font-size: 13px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.category-list b {
    display: none;
}

.category-more {
    height: 20px;
    margin-top: 34px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
    color: #333;
    font-size: 13px;
}

.category-more span {
    color: #42c99a;
    font-size: 20px;
    line-height: 20px;
    letter-spacing: 1px;
}

.middle-column {
    background: transparent;
}

.hero {
    position: relative;
    width: 712px;
    height: 296px;
    overflow: hidden;
    background: #dceefb;
}

.hero-slide,
.brand-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity .45s ease;
    pointer-events: none;
}

.hero-slide.is-active,
.brand-slide.is-active {
    opacity: 1;
    pointer-events: auto;
}

.hero-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-empty {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-left: 70px;
    color: #fff;
    background: linear-gradient(118deg, #147bc5 0%, #39a7ee 58%, #9fd8f6 100%);
}

.hero-empty small {
    font-size: 16px;
    letter-spacing: 2px;
}

.hero-empty strong {
    margin: 9px 0 4px;
    font-size: 48px;
    letter-spacing: 12px;
}

.hero-empty p {
    font-size: 18px;
}

.carousel-dots {
    position: absolute;
    z-index: 4;
    left: 0;
    right: 0;
    bottom: 15px;
    display: flex;
    justify-content: center;
    gap: 7px;
}

.carousel-dots button {
    width: 28px;
    height: 4px;
    padding: 0;
    border: 0;
    border-radius: 2px;
    background: rgba(255, 255, 255, .58);
    cursor: pointer;
}

.carousel-dots button.is-active {
    background: var(--orange);
}

.two-column-block {
    width: 712px;
    margin: 20px 0;
    padding: 0;
    display: grid;
    grid-template-columns: 336px 336px;
    gap: 40px;
    background: #fff;
}

.section-title {
    height: 30px;
    color: var(--primary);
    font-size: 18px;
    line-height: 29px;
    border-bottom: 1px solid #dcdcdc;
    position: relative;
}

.section-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 74px;
    height: 2px;
    background: var(--primary);
}

.topic-chips {
    height: 30px;
    margin-left: -8px;
    display: flex;
    align-items: center;
    gap: 3px;
    overflow: hidden;
    white-space: nowrap;
}

.topic-chips a {
    padding: 2px 8px;
    color: #0a86e2;
    font-size: 12px;
    border-radius: 11px;
}

.topic-chips a:hover {
    color: #fff;
    background: #0a86e2;
}

.article-item,
.news-item {
    padding: 10px 0;
    border-bottom: 1px dashed #ededed;
}

.article-item:last-child,
.news-item:last-child {
    border-bottom: 0;
}

.article-item h3,
.news-item h3 {
    height: 24px;
    overflow: hidden;
    font-weight: 400;
    line-height: 24px;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.article-item h3 {
    margin-bottom: 5px;
}

.article-item h3 a,
.news-item h3 a {
    font-size: 14px;
    color: #0a0a0a;
}

.article-item h3 a:hover,
.news-item h3 a:hover {
    color: var(--primary);
}

.article-item > p {
    height: 38px;
    overflow: hidden;
    color: rgba(0, 0, 0, .65);
    font-size: 12px;
    line-height: 19px;
    text-align: justify;
}

.article-meta {
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: rgba(0, 0, 0, .6);
    font-size: 12px;
}

.article-meta > span:first-child {
    min-width: 0;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.article-meta b,
.article-meta i {
    font-style: normal;
    font-weight: 400;
}

.article-meta i {
    padding: 0 5px;
    color: #bbb;
}

.heat {
    flex: 0 0 auto;
    height: 28px;
    display: flex;
    align-items: center;
    margin-right: 10px;
}

.heat img {
    width: 16px;
    height: 28px;
}

.wide-ad {
    width: 712px;
    height: 104px;
    display: block;
    overflow: hidden;
    background: #e8f2f9;
}

.wide-ad img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.journal-recommend {
    margin: 20px 0;
    padding: 0 18px 18px;
    background: #fff;
}

.recommend-title {
    height: 44px;
    color: var(--primary-dark);
    font-size: 18px;
    font-weight: 700;
    line-height: 44px;
    border-bottom: 1px solid var(--line);
}

.journal-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px 16px;
    padding-top: 18px;
}

.journal-card {
    min-width: 0;
    text-align: center;
}

.journal-cover {
    width: 104px;
    height: 140px;
    margin: 0 auto 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(145deg, #167fc7, #58aee8);
    box-shadow: 0 4px 12px rgba(30, 85, 125, .18);
    transition: transform .2s ease;
}

.journal-card:hover .journal-cover {
    transform: translateY(-3px);
}

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

.journal-cover i {
    color: #fff;
    font-size: 22px;
    font-style: normal;
    letter-spacing: 3px;
}

.journal-card strong,
.journal-card small {
    display: block;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.journal-card strong {
    color: #444;
    font-weight: 400;
}

.journal-card small {
    margin-top: 3px;
    color: #999;
    font-size: 12px;
}

.news-block {
    padding-bottom: 12px;
}

.news-item p {
    height: 76px;
    overflow: hidden;
    color: rgba(0, 0, 0, .65);
    font-size: 12px;
    line-height: 19px;
    text-align: justify;
}

.brand-story {
    width: 712px;
    height: 200px;
    position: relative;
    overflow: hidden;
    background: #dbe8ee;
}

.brand-gallery,
.brand-slide,
.brand-slide img {
    width: 100%;
    height: 100%;
}

.brand-slide img {
    object-fit: cover;
}

.brand-copy {
    position: absolute;
    z-index: 3;
    top: 0;
    right: 0;
    width: 340px;
    height: 200px;
    padding: 10px;
    color: #666;
    background: rgba(248, 244, 235, .92);
}

.brand-copy > div {
    height: 100%;
    padding: 15px;
    border: 1px solid #fff;
}

.brand-copy h2 {
    margin-bottom: 10px;
    color: #000;
    font-size: 15px;
    text-align: center;
}

.brand-copy p {
    max-height: 126px;
    overflow: hidden;
    font-size: 13px;
    line-height: 2;
    text-indent: 2em;
    text-align: justify;
}

.ranking-panel {
    min-height: 540px;
    padding-bottom: 0;
}

.ranking-panel ol {
    list-style: none;
    margin-top: 20px;
    padding: 0 10px;
}

.ranking-panel li {
    height: 20px;
    margin-top: 16px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.ranking-panel em {
    width: 22px;
    flex: 0 0 22px;
    color: #777;
    font-style: normal;
}

.ranking-panel em.top-three {
    color: #e94731;
    font-weight: 700;
}

.ranking-panel a {
    width: 120px;
    height: 20px;
    line-height: 18px;
    overflow: hidden;
    color: #333;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.ranking-panel a:hover {
    color: var(--primary);
}

.ranking-panel time {
    width: 85px;
    margin-left: auto;
    overflow: hidden;
    color: #a4a4a4;
    font-size: 12px;
    line-height: 20px;
    text-align: right;
    white-space: nowrap;
}

.site-footer {
    padding: 30px 0 22px;
    color: #fff;
    background: #333;
}

.site-footer a {
    color: #fff;
}

.site-footer a:hover {
    color: #f60;
}

.footer-main {
    min-height: 155px;
    display: flex;
    border-bottom: 1px solid #4a4a4a;
}

.footer-links {
    flex: 1;
    display: flex;
    padding-bottom: 22px;
}

.footer-links dl {
    width: 145px;
    text-align: left;
}

.footer-links dt {
    margin-bottom: 8px;
    color: #f5f5f5;
    font-size: 16px;
    font-weight: 700;
}

.footer-links dd {
    color: #c7c7c7;
    line-height: 27px;
}

.footer-links dd a {
    color: #c7c7c7;
}

.footer-contact {
    width: 390px;
    padding: 0 0 18px 38px;
    border-left: 1px solid #555;
    color: #d5d5d5;
    line-height: 25px;
}

.service-phone {
    margin-bottom: 7px;
}

.service-phone strong {
    color: #fff;
    font-size: 20px;
}

.footer-about p {
    margin: 0;
}

.rights-notice,
.copyright {
    margin-top: 10px;
    text-align: center;
    line-height: 26px;
}

.footer-badges {
    min-height: 34px;
    margin-top: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.footer-badges img {
    max-width: 124px;
    max-height: 40px;
    object-fit: contain;
}

.back-top {
    position: fixed;
    right: 28px;
    bottom: 38px;
    width: 48px;
    height: 48px;
    display: none;
    border: 0;
    border-radius: 3px;
    color: #fff;
    background: rgba(51, 51, 51, .84);
    cursor: pointer;
}

.back-top.is-visible {
    display: block;
}

.back-top span {
    position: absolute;
    right: 56px;
    top: 11px;
    width: 70px;
    height: 26px;
    display: none;
    color: #fff;
    background: #333;
    line-height: 26px;
}

.back-top:hover span {
    display: block;
}

@media (max-width: 900px) {
    body {
        min-width: 0;
    }

    .wrapper {
        width: calc(100% - 24px);
    }

    .site-header,
    .header-inner {
        height: auto;
    }

    .header-inner {
        padding: 10px 0;
        flex-wrap: wrap;
    }

    .brand {
        width: 150px;
        flex-basis: 150px;
        justify-content: flex-start;
    }

    .search {
        width: calc(100% - 150px);
    }

    .header-links {
        width: 100%;
        flex-basis: 100%;
        justify-content: center;
    }

    .content {
        width: calc(100% - 24px);
        grid-template-columns: 1fr;
    }

    .category-panel,
    .ranking-panel {
        display: none;
    }

    .middle-column,
    .hero,
    .two-column-block,
    .wide-ad,
    .brand-story {
        width: 100%;
    }

    .two-column-block {
        grid-template-columns: 1fr;
    }

    .journal-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-main {
        display: block;
    }

    .footer-links {
        flex-wrap: wrap;
    }

    .footer-contact {
        width: 100%;
        padding-left: 0;
        border-left: 0;
    }
}