/* mk-25 浅色产品生命周期服务站 —— 湖蓝流程线 + 珊瑚交互强调 */
:root {
    --bg: #f7f8f8;
    --card: #ffffff;
    --teal: #0d7d84;
    --teal-soft: #e8f4f5;
    --teal-panel: #eef7f8;
    --coral: #f2705a;
    --ink: #28323a;
    --ink-2: #5b676f;
    --line: #e6eaeb;
    --line-2: #d9e2e4;
    --radius: 2px;
}

* {
    box-sizing: border-box;
}

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

html body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-size: 15.5px;
    line-height: 1.9;
}

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

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

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

body h1,
body h2,
body h3 {
    margin: 0 0 10px;
    font-weight: 600;
    line-height: 1.5;
}

body h1 {
    font-size: 25px;
    letter-spacing: 0.01em;
}

body p {
    margin: 0 0 12px;
}

body ul,
body ol {
    margin: 0;
    padding: 0;
}

.wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ---------- 双轨页头 ---------- */
.two-track {
    display: grid;
    grid-template-columns: minmax(180px, 226px) 1fr;
    grid-template-rows: auto auto auto;
    align-items: stretch;
    background: var(--card);
    border-bottom: 1px solid var(--line-2);
}

.two-track.is-scrolled {
    box-shadow: 0 1px 6px rgba(40, 50, 58, 0.08);
}

.brand {
    grid-row: span 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 14px 20px;
    border-right: 1px solid var(--line);
    color: var(--ink);
}

.brand-name {
    font-size: 21px;
    font-weight: 700;
    letter-spacing: 4px;
    color: var(--teal);
    line-height: 1.3;
}

.brand-sub {
    font-size: 12.5px;
    color: var(--ink-2);
}

.brand-note {
    font-size: 12px;
    color: #7d888f;
}

.track-product,
.track-service {
    display: flex;
    align-items: center;
    gap: 2px;
    overflow-x: auto;
    padding: 0 12px;
}

.track-product {
    background: var(--teal-soft);
}

.track-service {
    background: var(--card);
    border-bottom: 1px solid var(--line-2);
}

.track-link {
    flex: 0 0 auto;
    padding: 10px 14px;
    color: var(--ink);
    font-size: 14.5px;
    white-space: nowrap;
    border-bottom: 2px solid transparent;
}

.track-link:hover {
    color: var(--coral);
    border-bottom-color: var(--coral);
}

.track-link[aria-current="page"] {
    color: var(--teal);
    border-bottom-color: var(--teal);
}

.track-note {
    display: block;
    font-size: 11.5px;
    color: var(--ink-2);
}

.track-jump {
    display: none;
    grid-column: 1 / -1;
    border-top: 1px solid var(--line);
    padding: 8px 14px 12px;
    background: var(--teal-panel);
}

.track-jump summary {
    cursor: pointer;
    font-size: 14.5px;
    color: var(--teal);
}

.track-jump ul {
    list-style: none;
    margin-top: 8px;
}

.track-jump li {
    margin-bottom: 4px;
}

/* ---------- 不等宽 Hero ---------- */
.parallel-hero {
    display: grid;
    grid-template-columns: 58% 42%;
    align-items: stretch;
    max-width: 1200px;
    margin: 0 auto;
    padding: 26px 20px 10px;
}

.family-panel {
    padding-right: 26px;
}

.family-figure img {
    width: 100%;
    aspect-ratio: 3 / 2;
    object-fit: cover;
    object-position: center 45%;
    max-height: 336px;
    border-radius: var(--radius);
}

.family-title {
    margin: 16px 0 8px;
    font-size: 27px;
}

.family-lead {
    color: var(--ink-2);
}

.family-points {
    list-style: none;
}

.family-points li {
    padding-left: 16px;
    border-left: 2px solid var(--teal-soft);
    margin-bottom: 6px;
    font-size: 14.5px;
    color: var(--ink-2);
}

.service-panel {
    background: var(--teal-panel);
    padding: 22px;
    border-radius: var(--radius);
}

.service-panel-title {
    font-size: 18px;
    margin-bottom: 14px;
}

.service-entry {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    background: var(--card);
    border-left: 3px solid var(--coral);
    padding: 12px 14px;
    margin-bottom: 10px;
    color: var(--ink);
    border-radius: var(--radius);
}

.service-entry:hover {
    color: var(--coral);
}

.service-entry strong {
    display: block;
    font-size: 15px;
    font-weight: 600;
}

.service-entry em {
    display: block;
    font-size: 13px;
    font-style: normal;
    color: var(--ink-2);
}

.service-entry i {
    color: var(--coral);
}

/* ---------- 通用区块 ---------- */
.sec {
    padding: 34px 0 6px;
}

.sec-title {
    font-size: 22px;
}

.sec-title::before {
    content: "";
    display: inline-block;
    width: 18px;
    height: 3px;
    margin-right: 10px;
    background: var(--teal);
    vertical-align: middle;
}

.sec-lead {
    max-width: 880px;
    margin-bottom: 18px;
    color: var(--ink-2);
}

.sec-note {
    font-size: 13.5px;
    color: var(--ink-2);
}

/* ---------- 平台三卡 ---------- */
.platform-cards-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.p-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 16px;
}

.p-card h3 {
    font-size: 17px;
}

.p-card ul {
    list-style: none;
}

.p-card li {
    border-left: 2px solid var(--teal-soft);
    padding: 3px 0 3px 12px;
    margin-bottom: 6px;
    font-size: 14.5px;
    color: var(--ink-2);
}

.ratio-45 img {
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    object-position: center 35%;
    max-height: 300px;
    border-radius: var(--radius);
    margin-bottom: 12px;
}

.ratio-169 img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    object-position: center 60%;
    max-height: 300px;
    border-radius: var(--radius);
    margin-bottom: 12px;
}

/* ---------- 五阶段流程环 ---------- */
.lifecycle {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 14px;
    background-image: linear-gradient(to right, var(--teal) 0 100%);
    background-repeat: no-repeat;
    background-size: 100% 1px;
    background-position: 0 40px;
}

.life-node {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 14px;
}

.life-node.is-active {
    border-color: var(--teal);
}

.life-step {
    display: inline-block;
    width: 22px;
    height: 22px;
    line-height: 22px;
    margin-bottom: 8px;
    border-radius: 50%;
    background: var(--teal);
    color: #ffffff;
    font-size: 12.5px;
    text-align: center;
}

.life-node h3 {
    font-size: 15.5px;
    margin-bottom: 6px;
}

.life-node p {
    font-size: 13.8px;
    color: var(--ink-2);
    margin: 0;
}

.life-figure img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    object-position: center 70%;
    max-height: 96px;
    margin-top: 10px;
    border-radius: var(--radius);
}

/* ---------- 版本对照表 ---------- */
.version-table-wrap {
    overflow-x: auto;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

table.version {
    width: 100%;
    min-width: 660px;
    border-collapse: collapse;
}

table.version caption {
    padding: 12px 14px;
    text-align: left;
    color: var(--ink-2);
    font-size: 13.5px;
}

table.version th,
table.version td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    font-size: 14.5px;
    font-weight: 400;
}

table.version thead th {
    background: var(--teal-soft);
    font-weight: 600;
}

table.version tbody tr:last-child td {
    border-bottom: 0;
}

/* ---------- 客户端入口 / 支持入口 ---------- */
.dl-life,
.support-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.dl-block,
.sup-block,
.svc-card {
    display: flex;
    flex-direction: column;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 16px;
}

.dl-block h3,
.sup-block h3,
.svc-card h3 {
    font-size: 16px;
}

.dl-block p,
.sup-block p,
.svc-card p {
    flex: 1;
    font-size: 14px;
    color: var(--ink-2);
}

.sup-block i {
    color: var(--teal);
    font-size: 19px;
    margin-bottom: 6px;
}

.band-slim img {
    width: 100%;
    aspect-ratio: 21 / 9;
    object-fit: cover;
    object-position: center 28%;
    max-height: 230px;
    margin-bottom: 18px;
    border-radius: var(--radius);
}

.support-banner img {
    width: 100%;
    aspect-ratio: 12 / 5;
    object-fit: cover;
    object-position: center 72%;
    max-height: 300px;
    margin-bottom: 20px;
    border-radius: var(--radius);
}

/* ---------- 资讯三列 ---------- */
.news-banner img {
    width: 100%;
    aspect-ratio: 5 / 2;
    object-fit: cover;
    object-position: center 40%;
    max-height: 280px;
    margin-bottom: 20px;
    border-radius: var(--radius);
}

.news-3col-2 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.news-col {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 16px;
}

.news-col h3 {
    font-size: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--line);
}

.news-col ul {
    list-style: none;
}

.news-col li {
    padding: 10px 0;
    border-bottom: 1px dashed var(--line);
    font-size: 14.5px;
}

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

.news-col li span {
    display: block;
    font-size: 13.5px;
    color: var(--ink-2);
}

/* ---------- 首页问答 ---------- */
.faq-life details,
.svc-life-faq details {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    margin-bottom: 10px;
}

.faq-life summary,
.svc-life-faq summary {
    cursor: pointer;
    padding: 13px 16px;
    font-weight: 600;
    list-style: none;
}

.faq-life summary::-webkit-details-marker,
.svc-life-faq summary::-webkit-details-marker {
    display: none;
}

.faq-life summary::after,
.svc-life-faq summary::after {
    content: "+";
    float: right;
    color: var(--teal);
    font-weight: 400;
}

.faq-life details[open] summary::after,
.svc-life-faq details[open] summary::after {
    content: "−";
    color: var(--coral);
}

.faq-life details p,
.svc-life-faq details p {
    margin: 0;
    padding: 0 16px 14px;
    font-size: 14.5px;
    color: var(--ink-2);
}

/* ---------- 浅色收尾 ---------- */
.cta-light {
    background: var(--card);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: 40px 20px;
    text-align: center;
}

.cta-light h2 {
    font-size: 23px;
}

.cta-light p {
    max-width: 740px;
    margin: 0 auto 18px;
    color: var(--ink-2);
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.btn-primary,
.btn-ghost {
    display: inline-block;
    border-radius: var(--radius);
    font-size: 15px;
}

.btn-primary {
    background: var(--coral);
    color: #ffffff;
    padding: 11px 26px;
}

.btn-primary:hover {
    color: #ffffff;
    opacity: 0.88;
}

.btn-ghost {
    border: 1px solid var(--teal);
    color: var(--teal);
    padding: 10px 25px;
}

.btn-ghost:hover {
    border-color: var(--coral);
    color: var(--coral);
}

/* ---------- 关于页 ---------- */
.about-life,
.svc-life-hero {
    background: var(--teal-panel);
    border-bottom: 1px solid var(--line-2);
    padding: 38px 0;
}

.about-life h1,
.svc-life-hero h1 {
    font-size: 26px;
}

.about-intro,
.svc-intro {
    max-width: 820px;
    color: var(--ink-2);
    margin-bottom: 0;
}

.about-body {
    padding: 32px 0 6px;
}

.about-body .wrap {
    display: grid;
    grid-template-columns: 1.4fr 0.6fr;
    gap: 26px;
    align-items: start;
}

.about-strip img {
    width: 100%;
    aspect-ratio: 3 / 1;
    object-fit: cover;
    object-position: center 85%;
    max-height: 260px;
    margin-top: 22px;
    border-radius: var(--radius);
}

.about-aside {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 16px;
    align-self: start;
}

.about-aside img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    object-position: center 30%;
    max-height: 180px;
    border-radius: var(--radius);
    margin-bottom: 12px;
}

.about-aside p {
    font-size: 13.5px;
    color: var(--ink-2);
    margin: 0;
}

.about-stages-4 {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    padding-bottom: 8px;
}

.about-stages-4 li {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 16px;
}

.stage-dot {
    display: inline-block;
    width: 9px;
    height: 9px;
    margin-right: 8px;
    border-radius: 50%;
    background: var(--teal);
}

.about-stages-4 h3 {
    display: inline;
    font-size: 15.5px;
}

.about-stages-4 p {
    margin: 8px 0 0;
    font-size: 14px;
    color: var(--ink-2);
}

.about-promise {
    max-width: 640px;
    margin: 0 auto;
    padding: 34px 20px 46px;
    text-align: center;
}

/* ---------- 平台页 ---------- */
.prod-life {
    padding: 30px 20px 10px;
}

.prod-top {
    padding-bottom: 6px;
}

.prod-top h1 {
    font-size: 25px;
}

.prod-index {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 6px;
}

.prod-index a {
    background: var(--card);
    border: 1px solid var(--line);
    border-left: 3px solid var(--teal);
    padding: 12px 14px;
    border-radius: var(--radius);
    font-size: 14.5px;
}

.prod-item {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 26px;
    padding: 30px 0;
    border-bottom: 1px solid var(--line);
}

.prod-item:last-child {
    border-bottom: 0;
}

.prod-note {
    padding: 26px 0 6px;
}

.prod-figure img {
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    object-position: center 72%;
    max-height: 380px;
    border-radius: var(--radius);
}

.prod-points {
    list-style: none;
    margin: 10px 0 14px;
}

.prod-points li {
    border-left: 2px solid var(--teal);
    padding: 4px 0 4px 14px;
    margin-bottom: 6px;
    font-size: 14.5px;
    color: var(--ink-2);
}

/* ---------- 资讯页 ---------- */
.news-life {
    padding: 30px 0 16px;
}

.news-cats {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 6px;
}

.news-cats span {
    background: var(--teal-soft);
    color: var(--teal);
    padding: 5px 12px;
    border-radius: var(--radius);
    font-size: 13.5px;
}

.news-row {
    display: grid;
    grid-template-columns: 132px 1fr;
    gap: 18px;
    padding: 18px 0;
    border-bottom: 1px solid var(--line);
}

.news-head-band img {
    width: 100%;
    aspect-ratio: 16 / 5;
    object-fit: cover;
    object-position: center 15%;
    max-height: 220px;
    margin-bottom: 4px;
    border-radius: var(--radius);
}

.news-mid-band img {
    width: 100%;
    aspect-ratio: 4 / 1;
    object-fit: cover;
    object-position: center 55%;
    max-height: 160px;
    margin: 22px 0 4px;
    border-radius: var(--radius);
}

.news-list {
    margin-top: 6px;
    border-top: 1px solid var(--line);
}

.news-row h3 {
    font-size: 16.5px;
    margin-bottom: 4px;
}

.contact-head-band img {
    width: 100%;
    aspect-ratio: 16 / 5;
    object-fit: cover;
    object-position: center 22%;
    max-height: 200px;
    margin-bottom: 4px;
    border-radius: var(--radius);
}

.contact-aside img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    object-position: center 82%;
    max-height: 240px;
    margin-top: 22px;
    border-radius: var(--radius);
}

.contact-form button {
    border: 0;
    font-family: inherit;
    cursor: pointer;
}

.svc-hero-band img {
    width: 100%;
    aspect-ratio: 12 / 5;
    object-fit: cover;
    object-position: center 68%;
    max-height: 240px;
    margin-top: 18px;
    border-radius: var(--radius);
}

.svc-faq-band img {
    width: 100%;
    aspect-ratio: 6 / 1;
    object-fit: cover;
    object-position: center 10%;
    max-height: 150px;
    margin: 22px 0 10px;
    border-radius: var(--radius);
}

.news-row p {
    margin: 0;
    font-size: 14.5px;
    color: var(--ink-2);
}

.news-date {
    color: var(--teal);
    font-size: 14px;
}

.news-lead {
    padding: 20px 0;
    border-top: 1px solid var(--line);
}

/* ---------- 联系页 ---------- */
.contact-life {
    padding: 30px 0 10px;
}

.channel-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 30px;
}

.channel {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 18px;
}

.channel h3 {
    font-size: 16px;
}

.channel p {
    margin: 0;
    font-size: 14.5px;
    color: var(--ink-2);
}

.contact-split {
    display: grid;
    grid-template-columns: 1fr 0.78fr;
    gap: 26px;
    align-items: start;
}

.contact-form {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 22px;
}

.field {
    margin-bottom: 14px;
}

.field label {
    display: block;
    margin-bottom: 6px;
    font-size: 13.5px;
    color: var(--ink-2);
}

.field input,
.field select,
.field textarea {
    width: 100%;
    border: 1px solid var(--line-2);
    border-radius: var(--radius);
    padding: 9px 11px;
    background: var(--card);
    color: var(--ink);
    font-family: inherit;
    font-size: 14.5px;
}

.field textarea {
    min-height: 96px;
    resize: vertical;
}

.contact-note {
    background: var(--teal-panel);
    border-radius: var(--radius);
    padding: 18px;
}

.contact-note h3 {
    font-size: 16px;
}

.contact-note p {
    font-size: 14.5px;
    color: var(--ink-2);
}

.quick-links {
    list-style: none;
    margin-top: 6px;
}

.quick-links li {
    margin-bottom: 10px;
}

.quick-links li span {
    display: block;
    font-size: 13.5px;
    color: var(--ink-2);
}

/* ---------- 支持中心页 ---------- */
.svc-life-flow {
    list-style: none;
    padding-top: 26px;
}

.svc-flow-item {
    display: grid;
    grid-template-columns: 210px 1fr;
    gap: 24px;
    padding: 24px 0;
    border-bottom: 1px solid var(--line);
}

.svc-flow-item:first-child {
    border-top: 1px solid var(--line);
}

.svc-flow-name {
    font-size: 17px;
    color: var(--teal);
}

.svc-flow-name span {
    display: block;
    font-size: 13px;
    color: var(--ink-2);
}

.svc-flow-body p {
    margin-bottom: 8px;
}

.svc-life-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 26px;
}

.svc-card i {
    color: var(--teal);
    font-size: 19px;
    margin-bottom: 6px;
}

/* ---------- 页脚 ---------- */
.life-foot {
    margin-top: 44px;
    background: var(--card);
    border-top: 1px solid var(--line-2);
}

.foot-cols {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    padding: 32px 0 18px;
}

.foot-col h3 {
    font-size: 15px;
    color: var(--teal);
}

.foot-col ul {
    list-style: none;
}

.foot-col li {
    margin-bottom: 6px;
}

.foot-col a {
    color: var(--ink-2);
    font-size: 14.5px;
}

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

.foot-base {
    padding: 16px 0 30px;
    border-top: 1px solid var(--line);
    font-size: 13.5px;
    color: var(--ink-2);
}

.foot-base p {
    margin: 0 0 6px;
}

.foot-brand {
    color: var(--ink);
    font-weight: 600;
}

/* ---------- 断点 ---------- */
@media (max-width: 1024px) {
    .platform-cards-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .lifecycle {
        grid-template-columns: repeat(3, 1fr);
        background-image: none;
    }

    .dl-life,
    .support-4,
    .svc-life-cards,
    .about-stages-4,
    .prod-index {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .two-track {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto auto;
    }

    .brand {
        grid-row: auto;
        grid-column: 1 / -1;
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .track-jump {
        display: block;
    }
}

@media (max-width: 768px) {
    .parallel-hero {
        grid-template-columns: 1fr;
        padding: 20px 16px 6px;
    }

    .family-panel {
        padding-right: 0;
    }

    .service-panel {
        margin-top: 18px;
    }

    .about-body .wrap,
    .contact-split,
    .prod-item,
    .svc-flow-item {
        grid-template-columns: 1fr;
    }

    .news-3col-2,
    .channel-3,
    .foot-cols {
        grid-template-columns: 1fr;
    }

    .news-row {
        grid-template-columns: 1fr;
        gap: 6px;
    }
}

@media (max-width: 480px) {
    .platform-cards-3,
    .dl-life,
    .support-4,
    .svc-life-cards,
    .about-stages-4,
    .prod-index {
        grid-template-columns: 1fr;
    }

    .family-title {
        font-size: 22px;
    }

    .about-life h1,
    .svc-life-hero h1 {
        font-size: 22px;
    }
}