/* mk-28 门户式导航官网样式：藏蓝 + 琥珀，白底与浅灰蓝交替，直角卡片，1px 分隔线 */

:root {
    --navy: #123a63;
    --amber: #e0a52e;
    --ink: #333c47;
    --muted: #6b7683;
    --line: #dfe4ea;
    --wash: #f4f6f9;
    --white: #ffffff;
}

* {
    box-sizing: border-box;
}

html body {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Heiti SC", Arial, sans-serif;
    font-size: 15.5px;
    line-height: 1.85;
    color: var(--ink);
    background: var(--white);
    -webkit-text-size-adjust: 100%;
}

body a {
    color: var(--ink);
    text-decoration: none;
}

a:hover {
    color: var(--navy);
}

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

body ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.wrap {
    width: 100%;
    max-width: 1220px;
    margin: 0 auto;
    padding: 0 18px;
}

body h1 {
    font-size: clamp(24px, 3.2vw, 34px);
    line-height: 1.35;
    margin: 0;
    color: var(--navy);
    letter-spacing: 0.5px;
}

body h2 {
    font-size: 19px;
    line-height: 1.5;
    margin: 0;
    color: var(--navy);
}

body h3 {
    font-size: 15.5px;
    line-height: 1.6;
    margin: 0;
    color: var(--navy);
}

.block-title {
    border-left: 4px solid var(--navy);
    padding-left: 10px;
    margin-bottom: 10px;
}

.sec-lead {
    margin: 0 0 16px;
    font-size: 14.5px;
    color: var(--muted);
    max-width: 88em;
}

.amber-link {
    display: inline-block;
    color: var(--navy);
    font-weight: 700;
}

.amber-link::after {
    content: "\203A";
    color: var(--amber);
    margin-left: 5px;
}

/* ---------- 页头三行 ---------- */

.portal-top {
    background: var(--navy);
    font-size: 12.5px;
}

.portal-top-inner {
    display: flex;
    justify-content: flex-end;
    overflow-x: auto;
}

.portal-quick {
    display: flex;
    gap: 26px;
    white-space: nowrap;
}

.portal-quick li {
    flex: 0 0 auto;
}

.portal-quick a {
    display: block;
    padding: 7px 0;
    color: rgba(255, 255, 255, 0.9);
}

.portal-quick a:hover {
    color: var(--amber);
}

.portal-mid {
    background: var(--white);
    border-bottom: 1px solid var(--line);
}

.portal-mid-inner {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    padding-top: 12px;
    padding-bottom: 12px;
}

.portal-logo a {
    display: flex;
    align-items: center;
    gap: 9px;
}

.portal-logo-mark {
    background: var(--navy);
    color: var(--white);
    font-size: 17px;
    font-weight: 700;
    padding: 2px 9px;
    letter-spacing: 1px;
}

.portal-logo-text {
    font-size: 17px;
    font-weight: 700;
    color: var(--navy);
    white-space: nowrap;
}

.portal-search {
    display: flex;
    flex: 1 1 220px;
    max-width: 380px;
    margin: 0 auto;
    border: 1px solid var(--line);
    background: var(--white);
}

.portal-search-input {
    flex: 1 1 auto;
    min-width: 0;
    border: 0;
    padding: 7px 10px;
    font-size: 14px;
    color: var(--ink);
    background: transparent;
    outline: none;
}

.portal-search-btn {
    flex: 0 0 auto;
    border: 0;
    border-left: 1px solid var(--line);
    background: var(--wash);
    color: var(--navy);
    padding: 7px 13px;
    cursor: pointer;
}

.portal-search-btn:hover {
    background: var(--amber);
    color: var(--white);
}

.portal-mid-links {
    display: flex;
    gap: 16px;
    font-size: 14px;
}

.portal-mid-links a {
    color: var(--navy);
    font-weight: 700;
}

.portal-menu-toggle {
    display: none;
    width: 40px;
    height: 36px;
    border: 1px solid var(--line);
    background: var(--wash);
    color: var(--navy);
    cursor: pointer;
}

.portal-nav {
    background: var(--white);
    border-bottom: 1px solid var(--line);
}

.portal-grid[data-scrolled="true"] .portal-nav {
    border-bottom-color: var(--amber);
}

.portal-nav ul {
    display: flex;
    overflow-x: auto;
    white-space: nowrap;
}

.portal-nav li {
    flex: 0 0 auto;
}

.portal-nav a {
    display: block;
    padding: 11px 20px 8px;
    font-size: 16px;
}

.portal-nav a.is-current {
    color: var(--navy);
    font-weight: 700;
}

.portal-nav a.is-current::after {
    content: "";
    display: block;
    width: 22px;
    height: 3px;
    margin: 5px auto 0;
    background: var(--amber);
}

.portal-mobile-panel {
    border-bottom: 1px solid var(--line);
    background: var(--wash);
    padding: 12px 0 16px;
}

.panel-title {
    margin: 0 0 8px;
    font-size: 13px;
    font-weight: 700;
    color: var(--navy);
}

.panel-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px 16px;
    font-size: 14.5px;
}

.panel-links a {
    display: block;
    padding: 5px 0;
}

/* ---------- 首页 Hero ---------- */

.portal-hero {
    padding-top: 24px;
    background: var(--white);
}

.hero-head {
    border-bottom: 1px solid var(--line);
    padding-bottom: 14px;
    margin-bottom: 20px;
}

.hero-sub {
    margin: 10px 0 0;
    font-size: 15.5px;
    color: #46505c;
}

.hero-note {
    margin: 6px 0 0;
    font-size: 14px;
    color: var(--muted);
    max-width: 76em;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: 22px;
}

.hero-news-list {
    border: 1px solid var(--line);
    padding: 14px 16px 6px;
}

.news-lines a {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 4px 9px;
    padding: 9px 0;
    border-bottom: 1px solid var(--line);
}

.news-lines li:last-child a {
    border-bottom: 0;
}

.hero-tag {
    flex: 0 0 auto;
    background: var(--navy);
    color: var(--white);
    font-size: 12px;
    line-height: 1.65;
    padding: 1px 7px;
}

.hero-line {
    flex: 1 1 180px;
    min-width: 0;
    overflow-wrap: anywhere;
    font-size: 15px;
}

.hero-figure {
    margin: 0;
    background: var(--wash);
    border: 1px solid var(--line);
    padding: 8px;
}

.hero-figure img {
    width: 100%;
    aspect-ratio: 21 / 9;
    object-fit: cover;
    object-position: center 45%;
    max-height: 340px;
    border-radius: 4px;
}

.hero-figure figcaption {
    padding-top: 8px;
    font-size: 13.5px;
    color: var(--muted);
}

.hero-figure figcaption a {
    color: var(--navy);
    font-weight: 700;
}

.quick-grid-6 {
    margin-top: 24px;
}

.quick-cards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
}

.quick-card {
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: var(--wash);
    padding: 13px 16px 15px;
}

.quick-card i {
    color: var(--amber);
    font-size: 18px;
}

.quick-card h3 {
    margin: 6px 0 3px;
}

.quick-card p {
    margin: 0;
    font-size: 14px;
    color: var(--muted);
}

/* ---------- 首页各分区 ---------- */

.sec-quick,
.sec-sport,
.sec-feature,
.sec-news,
.sec-faq {
    padding: 30px 0;
    background: var(--white);
}

.sec-esport,
.sec-client {
    padding: 30px 0;
    background: var(--wash);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.link-groups {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid var(--line);
}

.link-group {
    border-bottom: 1px solid var(--line);
    padding: 16px 20px 18px;
}

.link-group + .link-group {
    border-left: 1px solid var(--line);
}

.link-group-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.link-group-thumb {
    flex: 0 0 auto;
    width: 58px;
    aspect-ratio: 4 / 3;
    height: 44px;
    max-height: 44px;
    object-fit: cover;
    object-position: center 30%;
    border-radius: 4px;
}

.group-note {
    margin: 6px 0 4px;
    font-size: 13.5px;
    color: var(--muted);
}

.group-links li {
    border-bottom: 1px dashed var(--line);
}

.group-links li:last-child {
    border-bottom: 0;
}

.group-links a {
    display: block;
    position: relative;
    padding: 7px 0 7px 14px;
    font-size: 15px;
}

.group-links a::before {
    content: "\203A";
    position: absolute;
    left: 0;
    color: var(--amber);
}

.sport-portal {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 26px;
}

.sport-list li {
    border-bottom: 1px solid var(--line);
    padding: 12px 0 14px;
}

.entry-tag {
    display: inline-block;
    background: var(--navy);
    color: var(--white);
    font-size: 12px;
    padding: 1px 7px;
}

.sport-list h3 {
    margin: 6px 0 4px;
}

.sport-list p {
    margin: 0;
    font-size: 14.5px;
    color: #4c5560;
}

.sport-figure {
    margin: 0;
}

.sport-figure img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    object-position: center 42%;
    max-height: 240px;
    border-radius: 4px;
}

.sport-figure figcaption {
    margin-top: 8px;
    font-size: 13.5px;
    color: var(--muted);
}

.esport-portal {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.esport-card {
    background: var(--white);
    border: 1px solid var(--line);
    padding: 16px 16px 18px;
}

.esport-card i {
    color: var(--navy);
    font-size: 20px;
}

.esport-card h3 {
    margin: 8px 0 4px;
}

.esport-card p {
    margin: 0 0 4px;
    font-size: 14px;
    color: var(--muted);
}

.feature-4row {
    border-top: 1px solid var(--line);
}

.feature-row {
    display: grid;
    grid-template-columns: 46px 160px minmax(0, 1fr);
    align-items: start;
    gap: 14px;
    border-bottom: 1px solid var(--line);
    padding: 13px 4px;
}

.feature-row i {
    color: var(--amber);
    font-size: 19px;
    line-height: 1.9;
}

.feature-row h3 {
    line-height: 1.9;
}

.feature-row p {
    margin: 0;
    font-size: 14.5px;
    color: #4c5560;
}

.client-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.client-block {
    background: var(--white);
    border: 1px solid var(--line);
    padding: 14px 16px 16px;
}

.client-figure {
    width: 100%;
    aspect-ratio: 16 / 9;
    height: 118px;
    max-height: 118px;
    object-fit: cover;
    object-position: center 35%;
    border-radius: 4px;
    margin-bottom: 10px;
}

.client-block h3 {
    margin-bottom: 4px;
}

.client-block p {
    margin: 0 0 6px;
    font-size: 14px;
    color: var(--muted);
}

.client-block .amber-link {
    font-size: 14.5px;
}

.news-portal {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
}

.news-col-figure {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    object-position: center 40%;
    max-height: 210px;
    border-radius: 4px;
    margin-bottom: 10px;
}

.news-col-figure.is-band {
    aspect-ratio: 3 / 1;
    object-position: center 55%;
    max-height: 150px;
}

.news-col h3 {
    border-bottom: 1px solid var(--line);
    padding-bottom: 6px;
}

.news-note {
    margin: 8px 0 0;
    font-size: 13.5px;
    color: var(--muted);
}

.faq-portal {
    border-top: 1px solid var(--line);
}

.faq-portal details {
    border-bottom: 1px solid var(--line);
    padding: 10px 2px 12px;
}

.faq-portal summary {
    cursor: pointer;
    font-size: 15.5px;
    font-weight: 700;
    color: var(--navy);
}

.faq-portal p {
    margin: 8px 0 0;
    font-size: 14.5px;
    color: #4c5560;
}

.faq-more {
    margin: 14px 0 0;
}

/* ---------- 内页：about ---------- */

.about-head {
    background: var(--navy);
    color: var(--white);
    padding: 30px 0 32px;
}

.about-head h1 {
    color: var(--white);
}

.about-eyebrow {
    margin: 0 0 8px;
    font-size: 13.5px;
    color: var(--amber);
    letter-spacing: 1px;
}

.about-lead {
    margin: 12px 0 0;
    font-size: 15.5px;
    color: rgba(255, 255, 255, 0.9);
    max-width: 70em;
}

.about-body {
    padding: 30px 0;
}

.about-cols {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
}

.about-col-title {
    border-bottom: 2px solid var(--line);
    padding-bottom: 8px;
    margin-bottom: 12px;
}

.about-para {
    border-bottom: 1px dashed var(--line);
    padding-bottom: 10px;
    margin-bottom: 12px;
}

.about-para p {
    margin: 6px 0 0;
    font-size: 14.5px;
    color: #4c5560;
}

.about-figure {
    margin: 0;
}

.about-figure img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    object-position: center 35%;
    max-height: 260px;
    border-radius: 4px;
}

.about-figure figcaption {
    margin-top: 8px;
    font-size: 13.5px;
    color: var(--muted);
}

.about-facts {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    background: var(--wash);
    border: 1px solid var(--line);
    padding: 20px;
}

.about-fact {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.about-fact-num {
    flex: 0 0 auto;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--navy);
    color: var(--white);
    font-size: 19px;
    font-weight: 700;
}

.about-fact-text {
    margin: 0;
    font-size: 14.5px;
    color: #4c5560;
}

.about-end {
    text-align: center;
    padding: 28px 0 8px;
}

.about-end-line {
    margin: 10px 0 14px;
    font-size: 15.5px;
    color: #46505c;
}

.about-end-links {
    display: flex;
    justify-content: center;
    gap: 22px;
    flex-wrap: wrap;
}

/* ---------- 内页：product ---------- */

.prod-head {
    background: var(--wash);
    border-bottom: 1px solid var(--line);
    padding: 26px 0;
}

.prod-head-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    gap: 24px;
    align-items: center;
}

.prod-head-note {
    margin: 10px 0 0;
    font-size: 14.5px;
    color: #4c5560;
}

.prod-head-figs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.prod-head-fig {
    margin: 0;
}

.prod-head-fig img {
    width: 100%;
    object-fit: cover;
    border-radius: 4px;
    max-height: 150px;
}

.prod-head-fig img.is-tall {
    aspect-ratio: 5 / 4;
    object-position: center 30%;
}

.prod-head-fig img.is-wide {
    aspect-ratio: 16 / 7;
    object-position: center 60%;
}

.prod-body {
    padding: 30px 0;
}

.prod-body-grid {
    display: grid;
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 28px;
}

.prod-rail-note {
    margin: 0 0 10px;
    font-size: 13.5px;
    color: var(--muted);
}

.prod-rail {
    border-right: 1px solid var(--line);
    padding-right: 20px;
}

.prod-rail-title {
    margin-bottom: 10px;
}

.prod-rail-list li {
    border-bottom: 1px solid var(--line);
}

.prod-rail-list a {
    display: block;
    padding: 9px 0 9px 12px;
    position: relative;
    font-size: 15px;
}

.prod-rail-list a::before {
    content: "";
    position: absolute;
    left: 0;
    top: 17px;
    width: 5px;
    height: 5px;
    background: var(--amber);
}

.prod-cat {
    margin-bottom: 22px;
}

.prod-cat-title {
    border-left: 4px solid var(--navy);
    padding-left: 10px;
    margin-bottom: 6px;
}

.prod-cat-note {
    margin: 0 0 8px;
    font-size: 14px;
    color: var(--muted);
}

.prod-rows {
    border-top: 1px solid var(--line);
}

.prod-row {
    display: grid;
    grid-template-columns: minmax(0, 210px) minmax(0, 1fr);
    gap: 12px;
    border-bottom: 1px solid var(--line);
    padding: 9px 2px;
}

.prod-row-title {
    font-size: 15px;
    color: var(--navy);
    font-weight: 700;
}

.prod-row-title a {
    color: var(--navy);
}

.prod-row-note {
    margin: 0;
    font-size: 14.5px;
    color: #4c5560;
}

.prod-foot {
    border-top: 1px solid var(--line);
    padding-top: 14px;
    font-size: 14px;
    color: var(--muted);
}

/* ---------- 内页：news ---------- */

.news-page-head {
    background: var(--navy);
    color: var(--white);
    padding: 28px 0 30px;
}

.news-page-head h1 {
    color: var(--white);
}

.news-page-note {
    margin: 10px 0 0;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.88);
    max-width: 70em;
}

.news-page-body {
    padding: 28px 0 20px;
}

.news-page-tail {
    padding: 0 0 28px;
}

.news-lead {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 24px;
    border-bottom: 2px solid var(--navy);
    padding-bottom: 22px;
}

.news-lead-tag {
    display: inline-block;
    background: var(--navy);
    color: var(--white);
    font-size: 12px;
    padding: 1px 8px;
}

.news-lead-title {
    font-size: 22px;
    line-height: 1.5;
    margin: 10px 0 8px;
    color: var(--navy);
}

.news-lead-notes p {
    margin: 0 0 6px;
    font-size: 14.5px;
    color: #4c5560;
}

.news-lead-figure {
    margin: 0;
}

.news-lead-figure img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    object-position: center 20%;
    max-height: 230px;
    border-radius: 4px;
}

.news-trio {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    padding: 24px 0 20px;
}

.news-trio-col {
    border-top: 3px solid var(--amber);
    padding-top: 12px;
}

.news-trio-col h2 {
    margin-bottom: 8px;
}

.news-trio-list li {
    border-bottom: 1px dashed var(--line);
}

.news-trio-list a {
    display: block;
    padding: 8px 0;
    font-size: 14.5px;
}

.news-trio-col p {
    margin: 8px 0 0;
    font-size: 13.5px;
    color: var(--muted);
}

.news-arch {
    display: flex;
    align-items: center;
    gap: 18px;
    border-top: 1px solid var(--line);
    padding-top: 16px;
}

.news-arch-text {
    flex: 1 1 auto;
    min-width: 0;
    font-size: 14.5px;
    color: #4c5560;
}

.news-arch-text p {
    margin: 0 0 8px;
}

.news-arch-text p:last-child {
    margin-bottom: 0;
}

.news-tail {
    border-top: 1px dashed var(--line);
    margin-top: 16px;
    padding-top: 12px;
}

.news-tail p {
    margin: 0 0 8px;
    font-size: 14.5px;
    color: #4c5560;
}

.news-tail p:last-child {
    margin-bottom: 0;
}

.news-arch-figure {
    flex: 0 0 auto;
    margin: 0;
}

.news-arch-figure img {
    width: 132px;
    aspect-ratio: 1 / 1;
    height: 132px;
    max-height: 132px;
    object-fit: cover;
    object-position: center 72%;
    border-radius: 4px;
}

/* ---------- 内页：contact ---------- */

.contact-head {
    background: var(--wash);
    border-bottom: 1px solid var(--line);
    padding: 26px 0;
}

.contact-head-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 24px;
    align-items: center;
}

.contact-head-note {
    margin: 10px 0 0;
    font-size: 14.5px;
    color: #4c5560;
}

.contact-head-figure {
    margin: 0;
}

.contact-head-figure img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    object-position: center 78%;
    max-height: 210px;
    border-radius: 4px;
}

.contact-body {
    padding: 28px 0;
}

.contact-body-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 30px;
}

.guide-group {
    border-bottom: 1px solid var(--line);
    padding-bottom: 12px;
    margin-bottom: 16px;
}

.guide-title {
    margin-bottom: 6px;
}

.guide-line {
    margin: 0 0 4px;
    font-size: 14.5px;
    color: #4c5560;
}

.guide-intro {
    margin: 0 0 16px;
    padding: 10px 12px;
    background: var(--wash);
    font-size: 14.5px;
    color: #4c5560;
}

.guide-tail {
    margin: 14px 0 0;
    font-size: 14px;
    line-height: 1.9;
    color: var(--muted);
}

.form-help {
    margin-top: 14px;
    border-top: 1px dashed var(--line);
    padding-top: 12px;
}

.form-help p {
    margin: 0 0 6px;
    font-size: 14px;
    color: #4c5560;
}

.guide-figure {
    margin: 0;
}

.guide-figure img {
    width: 100%;
    aspect-ratio: 21 / 9;
    object-fit: cover;
    object-position: center 65%;
    max-height: 170px;
    border-radius: 4px;
}

.guide-figure figcaption {
    margin-top: 8px;
    font-size: 13.5px;
    color: var(--muted);
}

.contact-form-col {
    border: 1px solid var(--line);
    padding: 18px 20px 20px;
}

.contact-form-title {
    margin-bottom: 10px;
}

.form-field {
    margin-bottom: 12px;
}

.form-label {
    display: block;
    font-size: 14px;
    color: var(--navy);
    font-weight: 700;
    margin-bottom: 4px;
}

.form-input,
.form-select,
.form-area {
    display: block;
    width: 100%;
    border: 1px solid var(--line);
    background: var(--white);
    color: var(--ink);
    font-size: 14.5px;
    font-family: inherit;
    padding: 8px 10px;
}

.form-area {
    min-height: 96px;
    resize: vertical;
}

.form-btn {
    display: inline-block;
    border: 0;
    background: var(--navy);
    color: var(--white);
    font-size: 15px;
    font-family: inherit;
    padding: 9px 26px;
    cursor: pointer;
}

.form-btn:hover {
    background: var(--amber);
}

.form-note {
    margin: 10px 0 0;
    font-size: 13px;
    color: var(--muted);
}

.form-links {
    margin: 12px 0 0;
    padding-top: 10px;
    border-top: 1px solid var(--line);
    font-size: 14.5px;
}

/* ---------- 内页：sports ---------- */

.sport-portal-hero {
    background: var(--wash);
    border-bottom: 1px solid var(--line);
    padding: 26px 0;
}

.sport-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 24px;
    align-items: center;
}

.sport-hero-note {
    margin: 10px 0 0;
    font-size: 14.5px;
    color: #4c5560;
}

.sport-hero-figure {
    margin: 0;
}

.sport-hero-figure img {
    width: 100%;
    aspect-ratio: 21 / 9;
    object-fit: cover;
    object-position: center 35%;
    max-height: 200px;
    border-radius: 4px;
}

.sport-portal-cats {
    padding: 28px 0;
}

.cats-cols {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    border-top: 1px solid var(--line);
}

.cats-col {
    border-bottom: 1px solid var(--line);
    padding: 14px 20px 16px;
}

.cats-col + .cats-col {
    border-left: 1px solid var(--line);
}

.cats-col-title {
    border-bottom: 1px solid var(--line);
    padding-bottom: 6px;
    margin-bottom: 6px;
}

.cats-list li {
    border-bottom: 1px dashed var(--line);
}

.cats-list li:last-child {
    border-bottom: 0;
}

.cats-list a {
    display: block;
    padding: 6px 0;
    font-size: 14.5px;
}

.sport-portal-list {
    padding: 0 0 30px;
}

.sport-list-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.5fr);
    gap: 20px;
    align-items: center;
    margin-bottom: 16px;
}

.sport-list-head img {
    width: 100%;
    aspect-ratio: 3 / 1;
    height: 84px;
    max-height: 84px;
    object-fit: cover;
    object-position: center 55%;
    border-radius: 4px;
}

.sport-list-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 26px;
}

.sport-entry {
    border-bottom: 1px solid var(--line);
    padding: 12px 0 14px;
}

.sport-entry h3 {
    margin: 6px 0 4px;
}

.sport-entry p {
    margin: 0;
    font-size: 14.5px;
    color: #4c5560;
}

.sport-portal-faq {
    background: var(--wash);
    border-top: 1px solid var(--line);
    padding: 28px 0;
}

.sport-faq-item {
    border-bottom: 1px solid var(--line);
    padding: 10px 2px 12px;
}

.sport-faq-item summary {
    cursor: pointer;
    font-size: 15.5px;
    font-weight: 700;
    color: var(--navy);
}

.sport-faq-item p {
    margin: 8px 0 0;
    font-size: 14.5px;
    color: #4c5560;
}

/* ---------- 页脚 ---------- */

.portal-grid-foot {
    background: var(--navy);
    color: rgba(255, 255, 255, 0.86);
    padding: 28px 0 18px;
    font-size: 14px;
}

.foot-cols {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
    padding-bottom: 18px;
}

.foot-col-title {
    color: var(--white);
    font-size: 15px;
    padding-bottom: 6px;
    margin-bottom: 8px;
    border-bottom: 2px solid var(--amber);
    display: inline-block;
}

.foot-col a {
    display: block;
    padding: 4px 0;
    color: rgba(255, 255, 255, 0.86);
    font-size: 14px;
}

.foot-col a:hover {
    color: var(--amber);
}

.foot-note {
    margin: 0 0 6px;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    padding-top: 14px;
    font-size: 13.5px;
}

.foot-copy {
    margin: 0;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.62);
}

/* ---------- 响应式 ---------- */

@media (max-width: 1080px) {
    .hero-grid,
    .sport-portal,
    .news-portal,
    .about-cols,
    .contact-body-grid,
    .prod-head-grid,
    .contact-head-grid,
    .sport-hero-grid,
    .news-lead {
        grid-template-columns: minmax(0, 1fr);
    }

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

    .prod-body-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .prod-rail {
        border-right: 0;
        border-bottom: 1px solid var(--line);
        padding-right: 0;
        padding-bottom: 14px;
    }

    .sport-figure img,
    .news-lead-figure img {
        max-height: 300px;
    }
}

@media (max-width: 900px) {
    .portal-menu-toggle {
        display: block;
    }

    .portal-quick {
        gap: 18px;
    }

    .link-groups,
    .quick-cards,
    .cats-cols {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .link-group:nth-child(3),
    .link-group:nth-child(2),
    .cats-col:nth-child(3) {
        border-left: 0;
    }

    .cats-col:nth-child(2) {
        border-left: 1px solid var(--line);
    }

    .client-3,
    .about-facts,
    .news-trio {
        grid-template-columns: minmax(0, 1fr);
    }

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

    .feature-row {
        grid-template-columns: 38px minmax(0, 1fr);
    }

    .feature-row p {
        grid-column: 2 / 3;
    }
}

@media (max-width: 767px) {
    html body {
        font-size: 15px;
    }

    .portal-mid-links {
        display: none;
    }

    .portal-search {
        max-width: none;
    }

    .quick-cards,
    .esport-portal,
    .cats-cols,
    .sport-list-grid,
    .prod-head-figs,
    .panel-links {
        grid-template-columns: minmax(0, 1fr);
    }

    .link-groups {
        grid-template-columns: minmax(0, 1fr);
    }

    .link-group + .link-group,
    .cats-col + .cats-col {
        border-left: 0;
    }

    .sport-list-head {
        grid-template-columns: minmax(0, 1fr);
    }

    .prod-row {
        grid-template-columns: minmax(0, 1fr);
    }

    .news-arch {
        flex-direction: column;
        align-items: flex-start;
    }

    .news-arch-figure img {
        width: 100%;
        height: auto;
        aspect-ratio: 3 / 1;
        max-height: 160px;
    }

    .portal-logo-text {
        font-size: 15.5px;
    }

    .about-end-links {
        gap: 14px;
    }
}

@media (max-width: 480px) {
    .portal-quick {
        gap: 14px;
        font-size: 12px;
    }

    .portal-nav a {
        padding: 10px 13px 7px;
        font-size: 15px;
    }

    .foot-cols {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero-figure img {
        max-height: 220px;
    }
}