/* mk-06 工程图册式样式：浅灰底、白底图框、砖红小标与短横线，无圆角无投影 */

:root {
    --ink: #23211e;
    --ink-soft: #4a4640;
    --muted: #6f6a62;
    --paper: #ffffff;
    --ground: #f4f4f2;
    --band: #ecebe6;
    --line: #c9c5bd;
    --line-soft: #e2dfd9;
    --brick: #8c2f1d;
    --wrap: 1220px;
    --gutter: 26px;
}

* {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
}

.mk06-body {
    margin: 0;
    padding: 0;
    background: var(--ground);
    color: var(--ink);
    font-family: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
    font-size: 15.5px;
    line-height: 1.95;
    overflow-wrap: break-word;
}

.mk06-body h1,
.mk06-body h2,
.mk06-body h3,
.mk06-body p,
.mk06-body li,
.mk06-body dd,
.mk06-body dt {
    overflow-wrap: break-word;
}

.mk06-body a {
    color: var(--ink);
    text-decoration: none;
}

.mk06-body a:hover {
    color: var(--brick);
}

.mk06-body img {
    display: block;
    max-width: 100%;
}

.wrap {
    width: 100%;
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

.rule {
    border: 0;
    border-top: 1px solid var(--line);
    margin: 0 0 26px;
}

.dept {
    display: inline-block;
    color: var(--brick);
    font-size: 13px;
    letter-spacing: 0.24em;
    margin-bottom: 6px;
}

.link-more {
    display: inline-block;
    color: var(--brick);
    font-size: 14px;
    border-bottom: 1px solid var(--brick);
}

/* 顶栏 */

.head-bar {
    display: flex;
    align-items: center;
    gap: 22px;
    height: 76px;
    padding: 0 max(var(--gutter), calc((100% - var(--wrap)) / 2));
    background: var(--paper);
    border-bottom: 1px solid var(--line);
}

.head-bar.is-fixed {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 60;
    box-shadow: 0 1px 6px rgba(35, 33, 30, 0.08);
}

.brand-img {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    background: var(--paper);
    border: 1px solid var(--line);
    color: var(--brick);
    font-size: 15px;
}

.brand-word {
    font-size: 19px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.head-nav {
    margin-left: auto;
}

ul.inline {
    display: flex;
    flex-wrap: nowrap;
    gap: 26px;
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 15.5px;
}

.tel-note {
    color: var(--muted);
    font-size: 14px;
    border-left: 1px solid var(--line);
    padding-left: 18px;
}

.nav-toggle {
    display: none;
    align-items: center;
    gap: 8px;
    font: inherit;
    font-size: 15px;
    color: var(--ink);
    background: var(--paper);
    border: 1px solid var(--line);
    padding: 7px 12px;
    cursor: pointer;
}

.nav-panel {
    display: none;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
}

.panel-list {
    list-style: none;
    margin: 0;
    padding: 0 0 12px;
}

.panel-list li {
    border-top: 1px solid var(--line-soft);
}

.panel-list a {
    display: block;
    padding: 12px var(--gutter);
    font-size: 15.5px;
}

/* 首页主视觉 */

.brand-hero {
    background: var(--paper);
    border-bottom: 1px solid var(--line);
}

.hero-head {
    padding-top: 40px;
    padding-bottom: 22px;
}

.hero-title {
    font-size: 34px;
    line-height: 1.55;
    font-weight: 700;
    margin: 0 0 12px;
}

.hero-lead {
    max-width: 960px;
    margin: 0;
    color: var(--ink-soft);
}

.brand-figure {
    margin: 0;
}

.brand-figure img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    object-position: 50% 45%;
    max-height: 560px;
}

.brand-figure figcaption {
    color: var(--muted);
    font-size: 13.5px;
    padding-top: 12px;
    padding-bottom: 4px;
}

.hero-actions {
    padding-top: 16px;
    padding-bottom: 20px;
}

.btn-brick {
    display: inline-block;
    border: 1px solid var(--brick);
    color: var(--brick);
    background: transparent;
    font-size: 15px;
    font-family: inherit;
    padding: 9px 22px;
    cursor: pointer;
}

.btn-brick:hover {
    background: var(--brick);
    color: var(--paper);
}

.case-nav-strip {
    border-top: 1px solid var(--line);
}

.strip-row {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-top: 4px;
    padding-bottom: 4px;
}

.strip-item {
    flex: 0 0 auto;
    padding: 12px 22px 12px 0;
    margin-right: 22px;
    border-right: 1px solid var(--line-soft);
}

.strip-no {
    color: var(--brick);
    font-size: 13px;
    margin-right: 8px;
    font-variant-numeric: tabular-nums;
}

.strip-name {
    font-size: 15px;
}

/* 通用区块 */

.sec {
    padding: 38px 0 46px;
}

.sec.paper {
    background: var(--paper);
}

.sec h2 {
    font-size: 25px;
    line-height: 1.6;
    font-weight: 700;
    margin: 0 0 12px;
}

.sec-lede {
    max-width: 960px;
    margin: 0 0 24px;
    color: var(--ink-soft);
}

.sec-foot {
    margin: 24px 0 0;
    color: var(--muted);
    font-size: 14.5px;
}

.sec h3 {
    font-size: 16.5px;
    margin: 0 0 8px;
    font-weight: 700;
}

/* 图框与裁切 */

.frame {
    margin: 0;
    padding: 8px;
    background: var(--paper);
    border: 1px solid var(--line);
}

.frame img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    object-position: 50% 50%;
    max-height: 520px;
}

.frame figcaption {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.8;
    padding-top: 9px;
}

.frame.ratio-square img {
    aspect-ratio: 1 / 1;
}

.frame.ratio-43 img {
    aspect-ratio: 4 / 3;
}

.frame.ratio-32 img {
    aspect-ratio: 3 / 2;
}

.frame.ratio-34 img {
    aspect-ratio: 3 / 4;
}

.frame.ratio-45 img {
    aspect-ratio: 4 / 5;
}

.frame.ratio-169 img {
    aspect-ratio: 16 / 9;
}

.frame.ratio-219 img {
    aspect-ratio: 21 / 9;
}

.frame.ratio-41 img {
    aspect-ratio: 4 / 1;
}

.frame.ratio-51 img {
    aspect-ratio: 5 / 1;
}

.frame.ratio-165 img {
    aspect-ratio: 16 / 5;
}

.frame.pos-top img {
    object-position: 50% 16%;
}

.frame.pos-high img {
    object-position: 50% 30%;
}

.frame.pos-mid img {
    object-position: 50% 50%;
}

.frame.pos-left img {
    object-position: 22% 50%;
}

.frame.pos-right img {
    object-position: 76% 45%;
}

.frame.pos-low img {
    object-position: 55% 72%;
}

.frame.pos-corner img {
    object-position: 30% 22%;
}

/* 核心业务 */

.biz-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.biz-item {
    display: grid;
    grid-template-columns: 148px 1fr;
    gap: 14px;
    align-content: start;
}

.biz-text h3 {
    margin-top: 2px;
}

.biz-text p {
    margin: 0 0 8px;
    font-size: 14.6px;
    color: var(--ink-soft);
}

.biz-text ul {
    margin: 0 0 10px;
    padding-left: 16px;
    font-size: 14px;
    color: var(--muted);
}

/* 游戏分类 */

.cat-columns {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.cat-col h3 {
    position: relative;
    padding-bottom: 12px;
    margin-bottom: 4px;
}

.cat-col h3::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 34px;
    height: 2px;
    background: var(--brick);
}

.cat-col ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.cat-col li {
    border-bottom: 1px solid var(--line-soft);
}

.cat-col a {
    display: block;
    padding: 7px 0;
    font-size: 14.5px;
}

/* 赛事场景 */

.scene-case {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 26px;
    align-items: start;
}

.scene-fig.ratio-34 img {
    max-height: 520px;
}

.scene-fig.ratio-43 img {
    max-height: 420px;
}

/* 案例行 */

.case-band {
    margin-bottom: 26px;
}

.case-band img {
    max-height: 300px;
}

.case-row {
    display: grid;
    grid-template-columns: 176px 1fr 128px;
    gap: 22px;
    align-items: start;
    padding: 20px 0;
    border-top: 1px solid var(--line);
}

.case-row figure img {
    max-height: 190px;
}

.case-text p {
    margin: 0 0 8px;
    color: var(--ink-soft);
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.tags li {
    font-size: 12.5px;
    color: var(--muted);
    border: 1px solid var(--line);
    padding: 1px 8px;
}

/* 品牌说明 */

.intro-two {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 36px;
    align-items: start;
}

.intro-text p {
    margin: 0 0 14px;
    color: var(--ink-soft);
}

.intro-figure img {
    max-height: 460px;
}

.fact-title {
    font-size: 19px;
    margin: 34px 0 14px;
}

.intro-facts {
    display: grid;
    grid-template-columns: 130px 1fr;
    gap: 10px 20px;
    margin: 0;
    border-top: 1px solid var(--line);
    padding-top: 18px;
}

.intro-facts dt {
    color: var(--brick);
    font-size: 14px;
}

.intro-facts dd {
    margin: 0;
    font-size: 14.5px;
    color: var(--ink-soft);
}

/* 资讯文字行 */

.news-lines {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 36px;
    margin: 0;
    padding: 0;
}

.news-lines li {
    padding: 14px 0;
    border-bottom: 1px solid var(--line-soft);
}

.news-lines a {
    font-weight: 700;
    font-size: 15.5px;
}

.news-lines span {
    display: block;
    color: var(--muted);
    font-size: 14px;
}

/* 服务区 */

.svc-band {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 36px;
    align-items: start;
    background: var(--paper);
    border: 1px solid var(--line);
    padding: 26px 28px;
}

.svc-note p {
    margin: 0 0 12px;
    color: var(--ink-soft);
}

.svc-ask {
    list-style: none;
    margin: 0;
    padding: 0;
}

.svc-ask li {
    border-top: 1px dashed var(--line);
}

.svc-ask a {
    display: block;
    padding: 8px 0;
    font-size: 14.8px;
    color: var(--ink-soft);
}

.svc-title {
    font-size: 18px;
    margin: 0 0 14px;
}

.svc-actions .btn-brick {
    display: block;
    width: 100%;
    text-align: center;
    margin-bottom: 12px;
}

/* 页脚 */

.multi {
    background: var(--paper);
    border-top: 1px solid var(--line);
    margin-top: 26px;
}

.foot-grid {
    display: grid;
    grid-template-columns: 1.25fr 1fr 1fr 1.15fr;
    gap: 34px;
    padding-top: 40px;
    padding-bottom: 24px;
}

.foot-title {
    position: relative;
    font-size: 15.5px;
    margin: 0 0 14px;
    padding-bottom: 10px;
}

.foot-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 30px;
    height: 2px;
    background: var(--brick);
}

.foot-line {
    margin: 0;
    color: var(--muted);
    font-size: 14.5px;
}

.foot-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.foot-links li {
    padding: 4px 0;
    font-size: 14.5px;
    color: var(--muted);
}

.foot-links a {
    color: var(--ink-soft);
}

.foot-copy {
    margin: 16px 0 0;
    padding-top: 12px;
    border-top: 1px solid var(--line-soft);
    color: var(--muted);
    font-size: 13px;
}

/* 关于页 */

.about-head-band {
    background: var(--band);
    border-bottom: 1px solid var(--line);
    padding: 40px 0 34px;
}

.about-head-band h1 {
    font-size: 30px;
    line-height: 1.6;
    margin: 0 0 12px;
}

.band-lead {
    max-width: 960px;
    margin: 0;
    color: var(--ink-soft);
}

.about-body {
    padding-top: 38px;
}

.about-two-col {
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 36px;
    align-items: start;
}

.about-text h2,
.about-side h2 {
    font-size: 22px;
    margin: 0 0 14px;
}

.about-text p {
    margin: 0 0 14px;
    color: var(--ink-soft);
}

.about-points {
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
    font-size: 14.5px;
}

.about-side figure {
    margin-bottom: 18px;
}

.about-facts {
    display: grid;
    grid-template-columns: 96px 1fr;
    gap: 8px 16px;
    margin: 0 0 18px;
}

.about-facts dt {
    color: var(--brick);
    font-size: 14px;
}

.about-facts dd {
    margin: 0;
    font-size: 14.4px;
    color: var(--ink-soft);
}

.about-stage {
    padding-top: 8px;
}

.about-milestones {
    list-style: none;
    counter-reset: stage;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 26px;
    margin: 0 0 26px;
    padding: 0;
}

.about-milestones li {
    border-top: 2px solid var(--brick);
    padding-top: 14px;
}

.about-milestones li::before {
    counter-increment: stage;
    content: "0" counter(stage);
    display: block;
    color: var(--brick);
    font-size: 13px;
    letter-spacing: 0.2em;
    margin-bottom: 6px;
}

.about-milestones h3 {
    font-size: 16.5px;
}

.about-milestones p {
    margin: 0;
    color: var(--ink-soft);
    font-size: 14.5px;
}

.check-list {
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
    font-size: 14.5px;
}

.about-cert-note {
    background: var(--paper);
    border-left: 3px solid var(--brick);
    padding: 18px 24px;
    margin-bottom: 46px;
}

.about-cert-note h2 {
    font-size: 18px;
    margin: 0 0 8px;
}

.about-cert-note p {
    margin: 0;
    color: var(--ink-soft);
}

/* 业务目录页 */

.prod-head {
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 40px 0 34px;
}

.prod-head-grid {
    display: grid;
    grid-template-columns: 1fr 220px;
    gap: 34px;
    align-items: start;
}

.prod-head h1 {
    font-size: 30px;
    line-height: 1.6;
    margin: 0 0 12px;
}

.prod-head-text p {
    margin: 0;
    max-width: 780px;
    color: var(--ink-soft);
}

.prod-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    list-style: none;
    margin: 18px 0 0;
    padding: 0;
}

.prod-tags li {
    font-size: 13.5px;
    color: var(--muted);
    border: 1px solid var(--line);
    background: var(--paper);
    padding: 2px 10px;
}

.head-portrait img {
    max-height: 290px;
}

.prod-body {
    padding-top: 38px;
}

.prod-catalog {
    display: grid;
    grid-template-columns: 236px 1fr;
    gap: 38px;
    align-items: start;
}

.cat-side h2,
.cat-main h2 {
    font-size: 22px;
    margin: 0 0 14px;
}

.cat-side p {
    margin: 0 0 16px;
    color: var(--ink-soft);
    font-size: 14.5px;
}

.cat-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

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

.cat-list a {
    display: inline-block;
    padding: 10px 0;
    font-size: 15px;
}

.cat-list .is-current a {
    color: var(--brick);
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 6px;
}

.item-rows {
    list-style: none;
    margin: 0;
    padding: 0;
}

.item-row {
    display: grid;
    grid-template-columns: 150px 1fr 104px;
    gap: 20px;
    align-items: start;
    padding: 16px 0;
    border-top: 1px solid var(--line);
}

.item-row h3 {
    font-size: 15.5px;
    margin: 0;
}

.item-row p {
    margin: 0;
    font-size: 14.5px;
    color: var(--ink-soft);
}

.item-tag {
    font-size: 12.5px;
    color: var(--brick);
    border: 1px solid var(--line);
    text-align: center;
    padding: 2px 6px;
}

.prod-groups {
    padding-top: 8px;
}

.group-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.grp-cell {
    border-top: 2px solid var(--brick);
    padding-top: 14px;
}

.grp-cell p {
    margin: 0 0 10px;
    color: var(--ink-soft);
    font-size: 14.8px;
}

.grp-cell ul {
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
    font-size: 14.2px;
}

.prod-note {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 36px;
    align-items: start;
    padding-top: 8px;
}

.note-text p {
    margin: 0 0 16px;
    color: var(--ink-soft);
}

.prod-steps {
    list-style: none;
    counter-reset: step;
    margin: 0;
    padding: 0;
}

.prod-steps li {
    position: relative;
    counter-increment: step;
    padding: 12px 0 12px 42px;
    border-top: 1px solid var(--line-soft);
}

.prod-steps li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: 12px;
    width: 26px;
    height: 26px;
    border: 1px solid var(--brick);
    color: var(--brick);
    font-size: 13px;
    line-height: 24px;
    text-align: center;
}

.prod-steps strong {
    display: block;
    font-size: 15.5px;
}

.prod-steps p {
    margin: 4px 0 0;
    color: var(--muted);
    font-size: 14.3px;
}

.note-figure img {
    max-height: 420px;
}

.prod-band {
    padding-top: 8px;
    padding-bottom: 46px;
}

.prod-band img {
    max-height: 260px;
}

.band-line {
    margin: 22px 0 0;
    color: var(--ink-soft);
}

/* 资讯页 */

.news-head {
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 40px 0 34px;
}

.news-head h1 {
    font-size: 30px;
    line-height: 1.6;
    margin: 0 0 12px;
}

.news-head p {
    max-width: 960px;
    margin: 0;
    color: var(--ink-soft);
}

.news-body {
    padding-top: 38px;
}

.news-main {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 38px;
    align-items: start;
}

.lead-figure {
    margin-bottom: 20px;
}

.lead-figure img {
    max-height: 420px;
}

.news-lead h2 {
    font-size: 23px;
    line-height: 1.6;
    margin: 0 0 12px;
}

.news-lead p {
    margin: 0 0 14px;
    color: var(--ink-soft);
}

.news-side h2 {
    font-size: 20px;
    margin: 0 0 12px;
}

.brief-list {
    list-style: none;
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--line);
}

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

.brief-list a {
    font-weight: 700;
}

.brief-list span {
    display: block;
    color: var(--muted);
    font-size: 14px;
}

.news-archive {
    padding-top: 8px;
}

.archive-groups {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 38px;
}

.archive-group {
    margin-bottom: 22px;
}

.archive-group h3 {
    font-size: 15.5px;
    color: var(--brick);
    margin: 0 0 8px;
}

.archive-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.archive-list li {
    padding: 7px 0;
    border-bottom: 1px dashed var(--line-soft);
    font-size: 14.5px;
    color: var(--ink-soft);
}

.news-note {
    padding-top: 8px;
    padding-bottom: 46px;
}

.news-note h2 {
    font-size: 22px;
    margin: 0 0 14px;
}

.news-note p {
    margin: 0 0 14px;
    color: var(--ink-soft);
    max-width: 960px;
}

.note-band {
    margin-top: 22px;
}

.note-band img {
    max-height: 240px;
}

/* 服务页 */

.contact-head {
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 40px 0 34px;
}

.contact-head h1 {
    font-size: 30px;
    line-height: 1.6;
    margin: 0 0 12px;
}

.contact-head p {
    max-width: 960px;
    margin: 0;
    color: var(--ink-soft);
}

.contact-body {
    padding-top: 38px;
}

.contact-office {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 38px;
    align-items: start;
}

.office-note h2,
.office-form h2 {
    font-size: 22px;
    margin: 0 0 14px;
}

.office-note p,
.office-form p {
    margin: 0 0 14px;
    color: var(--ink-soft);
}

.office-times {
    list-style: none;
    margin: 0 0 20px;
    padding: 0;
}

.office-times li {
    border-top: 1px solid var(--line-soft);
    padding: 9px 0;
    font-size: 14.6px;
    color: var(--muted);
}

.office-figure img {
    max-height: 430px;
}

.ask-form {
    display: grid;
    gap: 14px;
    margin-bottom: 12px;
}

.field {
    display: grid;
    gap: 6px;
}

.field label {
    font-size: 14.4px;
    color: var(--muted);
}

.field input,
.field textarea {
    width: 100%;
    font: inherit;
    font-size: 15px;
    color: var(--ink);
    background: var(--paper);
    border: 1px solid var(--line);
    padding: 10px 12px;
}

.form-status {
    min-height: 22px;
    margin: 0;
    color: var(--brick);
    font-size: 14.2px;
}

.form-note {
    font-size: 13.2px;
    color: var(--muted);
}

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

.contact-scope {
    padding-top: 8px;
}

.contact-scope h2 {
    font-size: 22px;
    margin: 0 0 14px;
}

.contact-scope p {
    margin: 0 0 14px;
    color: var(--ink-soft);
    max-width: 960px;
}

.scope-list {
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
    font-size: 14.6px;
}

.contact-ask {
    padding-top: 8px;
    padding-bottom: 46px;
}

.contact-ask h2 {
    font-size: 22px;
    margin: 0 0 20px;
}

.ask-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 26px 38px;
}

.ask-item {
    border-top: 1px solid var(--line);
    padding-top: 14px;
}

.ask-item h3 {
    font-size: 16.5px;
    margin: 0 0 8px;
}

.ask-item p {
    margin: 0;
    color: var(--ink-soft);
    font-size: 14.6px;
}

/* 案例中心页 */

.case-head {
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 40px 0 34px;
}

.case-head h1 {
    font-size: 30px;
    line-height: 1.6;
    margin: 0 0 12px;
}

.case-head p {
    max-width: 960px;
    margin: 0 0 22px;
    color: var(--ink-soft);
}

.case-head .case-band img {
    max-height: 300px;
}

.case-body {
    padding-top: 38px;
}

.case-filters h2 {
    font-size: 22px;
    margin: 0 0 14px;
}

.filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 22px;
    list-style: none;
    margin: 0 0 14px;
    padding: 0;
}

.filter-row a {
    font-size: 15px;
    color: var(--ink-soft);
}

.filter-row .is-current a {
    color: var(--brick);
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 6px;
}

.filter-note {
    margin: 0;
    max-width: 960px;
    color: var(--muted);
    font-size: 14.4px;
}

.masonry-head {
    padding-top: 8px;
}

.masonry-head h2 {
    font-size: 22px;
    margin: 0 0 12px;
}

.case-masonry {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 92px;
    gap: 22px;
}

.m-cell {
    display: grid;
    grid-template-rows: 1fr auto;
    row-gap: 8px;
    min-height: 0;
    overflow: hidden;
}

.m-a {
    grid-column: 1 / 2;
    grid-row: 1 / 5;
}

.m-b {
    grid-column: 2 / 4;
    grid-row: 1 / 3;
}

.m-c {
    grid-column: 2 / 3;
    grid-row: 3 / 5;
}

.m-d {
    grid-column: 3 / 4;
    grid-row: 3 / 5;
}

.m-e {
    grid-column: 1 / 4;
    grid-row: 5 / 7;
}

.m-shot {
    min-height: 0;
    overflow: hidden;
}

.m-shot img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    max-height: 100%;
}

.masonry-note {
    margin: 22px 0 0;
    max-width: 960px;
    color: var(--muted);
    font-size: 14.4px;
}

.case-notes {
    padding-top: 8px;
}

.case-notes h2 {
    font-size: 22px;
    margin: 0 0 20px;
}

.note-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.case-note {
    border-top: 2px solid var(--brick);
    padding-top: 14px;
}

.case-note h3 {
    font-size: 16.5px;
    margin: 0 0 8px;
}

.case-note p {
    margin: 0;
    color: var(--ink-soft);
    font-size: 14.6px;
}

.case-close {
    padding-top: 8px;
    padding-bottom: 46px;
}

.case-close h2 {
    font-size: 22px;
    margin: 0 0 12px;
}

.case-close p {
    margin: 0;
    color: var(--ink-soft);
    max-width: 960px;
}

/* 相邻段落间距：同一栏目内出现两段说明时保持同一节奏 */

.prod-head-text p + p,
.news-head p + p,
.contact-head p + p,
.case-close p + p {
    margin-top: 12px;
}

.band-lead + .band-lead,
.filter-note + .filter-note {
    margin-top: 10px;
}

/* 响应式 */

@media (max-width: 1080px) {
    .biz-row {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .biz-item {
        grid-template-columns: 210px 1fr;
    }

    .foot-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 980px) {
    .head-nav {
        display: none;
    }

    .nav-toggle {
        display: inline-flex;
        margin-left: auto;
    }

    .nav-panel {
        display: block;
    }

    .js-on .nav-panel {
        display: none;
    }

    .js-on .nav-panel.is-open {
        display: block;
    }

    ul.inline {
        display: none;
    }

    .cat-columns,
    .group-grid,
    .note-grid,
    .about-milestones {
        grid-template-columns: 1fr 1fr;
    }

    .scene-case,
    .intro-two,
    .prod-catalog,
    .prod-note,
    .news-main,
    .contact-office,
    .ask-grid,
    .about-two-col,
    .prod-head-grid {
        grid-template-columns: 1fr;
    }

    .case-row {
        grid-template-columns: 132px 1fr;
    }

    .case-row .link-more {
        grid-column: 2 / 3;
    }

    .item-row {
        grid-template-columns: 130px 1fr;
    }

    .item-tag {
        grid-column: 2 / 3;
        justify-self: start;
    }

    .svc-band {
        grid-template-columns: 1fr;
    }

    .prod-head-grid .head-portrait {
        max-width: 240px;
    }
}

@media (max-width: 760px) {
    .hero-title {
        font-size: 26px;
    }

    .about-head-band h1,
    .prod-head h1,
    .news-head h1,
    .contact-head h1,
    .case-head h1 {
        font-size: 24px;
    }

    .sec h2 {
        font-size: 21px;
    }

    .news-lines,
    .archive-groups,
    .cat-columns,
    .group-grid,
    .note-grid,
    .about-milestones {
        grid-template-columns: 1fr;
    }

    .frame img {
        max-height: 360px;
    }

    .biz-item {
        grid-template-columns: 1fr;
    }

    .case-row {
        grid-template-columns: 1fr;
    }

    .case-row .link-more {
        grid-column: 1 / 2;
    }

    .item-row {
        grid-template-columns: 1fr;
    }

    .item-tag {
        grid-column: 1 / 2;
    }

    .case-masonry {
        grid-template-columns: 1fr;
        grid-auto-rows: auto;
        gap: 18px;
    }

    .m-a,
    .m-b,
    .m-c,
    .m-d,
    .m-e {
        grid-column: auto;
        grid-row: auto;
    }

    .m-cell {
        grid-template-rows: auto auto;
    }

    .m-shot img {
        height: auto;
        aspect-ratio: 4 / 3;
        max-height: none;
    }

    .intro-facts,
    .about-facts {
        grid-template-columns: 1fr;
    }

    .head-bar {
        height: auto;
        flex-wrap: wrap;
        row-gap: 8px;
        padding-top: 10px;
        padding-bottom: 10px;
    }

    .tel-note {
        border-left: 0;
        padding-left: 0;
    }
}

@media (max-width: 520px) {
    .foot-grid {
        grid-template-columns: 1fr;
    }

    .strip-item {
        padding-right: 16px;
        margin-right: 16px;
    }
}