/* ==========================================================================
   mk-24 · 手机客户端产品站样式
   白底 + 浅紫分区 + 紫色主按钮 + 天蓝标签；中圆角与极浅阴影
   ========================================================================== */

:root {
    --mk-white: #ffffff;
    --mk-lilac: #f6f4ff;
    --mk-purple: #6d4aff;
    --mk-purple-deep: #5636e0;
    --mk-purple-soft: #efeaff;
    --mk-sky: #38bdf8;
    --mk-sky-soft: #e6f6fe;
    --mk-ink: #16161d;
    --mk-muted: #5c5c6e;
    --mk-line: #ece8ff;
    --mk-radius: 12px;
    --mk-shadow: 0 6px 20px rgba(109, 74, 255, 0.08);
    --mk-shadow-lg: 0 14px 34px rgba(109, 74, 255, 0.14);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

html body {
    margin: 0;
    background: var(--mk-white);
    color: var(--mk-ink);
    font-family: "PingFang SC", system-ui, -apple-system, "Microsoft YaHei", sans-serif;
    font-size: 15.5px;
    line-height: 1.85;
}

body h1,
body h2,
body h3 {
    margin: 0 0 12px;
    font-weight: 700;
    line-height: 1.42;
}

body h1 {
    font-size: 46px;
    letter-spacing: -0.4px;
}

body h2 {
    font-size: 27px;
    letter-spacing: -0.2px;
}

body h3 {
    font-size: 17.5px;
}

body p {
    margin: 0 0 14px;
}

body ul,
body ol {
    margin: 0 0 14px;
    padding-left: 20px;
}

body li {
    margin-bottom: 6px;
}

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

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

.wrap {
    width: 100%;
    max-width: 1220px;
    margin: 0 auto;
    padding: 0 20px;
}

.eyebrow {
    margin: 0 0 10px;
    color: var(--mk-purple);
    font-size: 13px;
    letter-spacing: 0.08em;
}

.sec-lede {
    max-width: 760px;
    margin: 0 0 26px;
    color: var(--mk-muted);
}

.sub-h2 {
    margin-top: 30px;
    font-size: 21px;
}

.link-plain {
    display: inline-block;
    padding-bottom: 2px;
    color: var(--mk-purple);
    border-bottom: 1px solid var(--mk-purple-soft);
    font-weight: 700;
}

.link-plain:hover {
    border-bottom-color: var(--mk-purple);
}

.tag-sky {
    display: inline-block;
    padding: 2px 12px;
    border-radius: 999px;
    background: var(--mk-sky-soft);
    color: #0b6f96;
    font-size: 12.5px;
    line-height: 1.7;
}

.tag-purple {
    display: inline-block;
    padding: 2px 12px;
    border-radius: 999px;
    background: var(--mk-purple-soft);
    color: var(--mk-purple-deep);
    font-size: 12.5px;
    line-height: 1.7;
}

/* ---------- 顶部产品导航 ---------- */

.prod-nav {
    position: sticky;
    top: 0;
    z-index: 40;
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--mk-line);
    transition: box-shadow 0.25s ease;
}

.prod-nav.is-stuck {
    box-shadow: 0 6px 18px rgba(22, 22, 29, 0.07);
}

.nav-row {
    display: flex;
    align-items: center;
    gap: 18px;
    min-height: 66px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex: 0 0 auto;
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--mk-radius);
    background: var(--mk-purple);
    color: var(--mk-white);
    font-size: 14.5px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.brand-text {
    font-size: 15px;
    font-weight: 700;
}

.nav-desk {
    flex: 1 1 auto;
}

.nav-list {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 22px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-list li {
    margin: 0;
}

.nav-list a {
    display: inline-block;
    padding: 4px 2px;
    color: var(--mk-muted);
    font-size: 14.5px;
    border-bottom: 2px solid transparent;
}

.nav-list a:hover,
.nav-list a.is-active {
    color: var(--mk-purple);
    border-bottom-color: var(--mk-purple);
}

.btn-solid {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    min-height: 40px;
    padding: 0 20px;
    border: 0;
    border-radius: var(--mk-radius);
    background: var(--mk-purple);
    color: var(--mk-white);
    font-family: inherit;
    font-size: 14.5px;
    font-weight: 700;
    cursor: pointer;
}

.btn-solid:hover {
    background: var(--mk-purple-deep);
}

.btn-wide {
    width: 100%;
}

.nav-fold {
    display: none;
    position: relative;
}

.nav-fold summary {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 42px;
    height: 42px;
    padding: 0 10px;
    border: 1px solid var(--mk-line);
    border-radius: var(--mk-radius);
    cursor: pointer;
    list-style: none;
}

.nav-fold summary::-webkit-details-marker {
    display: none;
}

.fold-bar {
    display: block;
    height: 2px;
    border-radius: 2px;
    background: var(--mk-ink);
}

.fold-panel {
    position: absolute;
    right: 0;
    top: calc(100% + 10px);
    width: min(280px, 78vw);
    padding: 12px 16px;
    border: 1px solid var(--mk-line);
    border-radius: var(--mk-radius);
    background: var(--mk-white);
    box-shadow: var(--mk-shadow-lg);
}

.fold-panel ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.fold-panel a {
    display: block;
    padding: 7px 0;
    color: var(--mk-muted);
    font-size: 15px;
    border-bottom: 1px solid var(--mk-lilac);
}

.fold-panel a.is-active {
    color: var(--mk-purple);
    font-weight: 700;
}

/* ---------- 首屏：设备展示 ---------- */

.hero-band {
    background: var(--mk-lilac);
    border-bottom: 1px solid var(--mk-line);
}

.device-hero {
    padding: 58px 0 64px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 40px;
}

.device-copy h1 {
    margin-bottom: 16px;
}

.lead {
    color: var(--mk-muted);
    font-size: 16px;
}

.store-btns {
    display: grid;
    gap: 12px;
    margin: 24px 0 12px;
}

.store-block {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    border: 1px solid var(--mk-line);
    border-radius: var(--mk-radius);
    background: var(--mk-white);
    box-shadow: var(--mk-shadow);
}

.store-block:hover {
    border-color: var(--mk-purple-soft);
    box-shadow: var(--mk-shadow-lg);
}

.store-ico {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--mk-purple-soft);
    color: var(--mk-purple);
}

.store-txt strong {
    display: block;
    font-size: 15.5px;
}

.store-txt em {
    display: block;
    color: var(--mk-muted);
    font-size: 13.5px;
    font-style: normal;
    line-height: 1.7;
}

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

.device-stack {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 430px;
}

.phone {
    position: relative;
    width: 232px;
    padding: 12px 10px;
    border: 2px solid var(--mk-line);
    border-radius: 36px;
    background: var(--mk-white);
    box-shadow: var(--mk-shadow-lg);
}

.phone-notch {
    display: block;
    width: 64px;
    height: 6px;
    margin: 0 auto 8px;
    border-radius: 999px;
    background: var(--mk-line);
}

.phone img {
    width: 100%;
    aspect-ratio: 3 / 4;
    object-position: center 30%;
    border-radius: 26px;
    max-height: 340px;
}

.phone-left {
    z-index: 1;
    transform: rotate(-6deg) translateX(18px);
}

.phone-right {
    z-index: 2;
    margin-left: -42px;
    transform: rotate(6deg) translateX(-18px);
}

.phone-right img {
    aspect-ratio: 3 / 4.3;
    object-position: center 62%;
}

/* ---------- 通用分区外壳 ---------- */

.band {
    padding: 62px 0;
}

.band-lilac {
    background: var(--mk-lilac);
    border-top: 1px solid var(--mk-line);
    border-bottom: 1px solid var(--mk-line);
}

.sec-more {
    margin: 22px 0 0;
}

/* ---------- 能力块 3x2 ---------- */

.cap-2x3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.cap-card {
    padding: 22px 20px;
    border: 1px solid var(--mk-line);
    border-radius: var(--mk-radius);
    background: var(--mk-white);
    box-shadow: var(--mk-shadow);
}

.cap-card h3 {
    margin-bottom: 8px;
}

.cap-card p {
    margin: 0;
    color: var(--mk-muted);
    font-size: 14.5px;
}

.cap-ico {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    margin-bottom: 14px;
    border-radius: var(--mk-radius);
    background: var(--mk-purple);
    color: var(--mk-white);
}

.cap-thumb {
    width: 100%;
    aspect-ratio: 16 / 10;
    margin-bottom: 16px;
    border-radius: 10px;
    object-position: center 40%;
    max-height: 150px;
}

.cap-card-media .cap-ico {
    background: var(--mk-purple-soft);
    color: var(--mk-purple);
}

/* ---------- 体育：左文右图 ---------- */

.sport-duo {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 44px;
}

.dot-list {
    padding-left: 18px;
    list-style: disc;
    color: var(--mk-muted);
}

.sport-figure {
    margin: 0;
}

.sport-figure img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-position: center 35%;
    border-radius: var(--mk-radius);
    border: 1px solid var(--mk-line);
    max-height: 430px;
}

/* ---------- 电竞：行式条目 ---------- */

.esport-rows {
    display: grid;
    gap: 16px;
}

.esport-row {
    display: grid;
    grid-template-columns: 230px minmax(0, 1fr);
    align-items: center;
    gap: 22px;
    padding: 16px;
    border: 1px solid var(--mk-line);
    border-radius: var(--mk-radius);
    background: var(--mk-white);
}

.esport-row:nth-child(even) {
    background: var(--mk-lilac);
}

.esport-thumb {
    margin: 0;
}

.esport-thumb img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-position: center 45%;
    border-radius: 10px;
    max-height: 160px;
}

.esport-body h3 {
    margin-bottom: 6px;
}

.esport-body p {
    margin: 0 0 10px;
    color: var(--mk-muted);
    font-size: 14.5px;
}

.esport-plain {
    grid-template-columns: minmax(0, 1fr);
    border-style: dashed;
}

/* ---------- 版本：三张等高卡 ---------- */

.version-cards-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.version-card {
    display: flex;
    flex-direction: column;
    padding: 24px 20px;
    border: 1px solid var(--mk-line);
    border-radius: var(--mk-radius);
    background: var(--mk-white);
    box-shadow: var(--mk-shadow);
}

.version-card ul {
    flex: 1 1 auto;
    color: var(--mk-muted);
    font-size: 14.5px;
}

.version-card .link-plain {
    align-self: flex-start;
}

/* ---------- 指南：横向编号步骤 ---------- */

.guide-steps-4 {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: guide;
}

.guide-steps-4 li {
    margin: 0;
    padding: 20px 18px;
    border: 1px solid var(--mk-line);
    border-radius: var(--mk-radius);
    background: var(--mk-white);
}

.step-no {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    margin-bottom: 12px;
    border-radius: 50%;
    background: var(--mk-sky);
    color: var(--mk-white);
    font-size: 15px;
    font-weight: 700;
}

.guide-steps-4 h3 {
    font-size: 16px;
}

.guide-steps-4 p {
    margin: 0;
    color: var(--mk-muted);
    font-size: 14.5px;
}

/* ---------- 问答折叠 ---------- */

.faq-device,
.app-faq {
    display: grid;
    gap: 12px;
    max-width: 880px;
}

.faq-device details,
.app-faq details {
    border: 1px solid var(--mk-line);
    border-radius: var(--mk-radius);
    background: var(--mk-white);
}

.faq-device summary,
.app-faq summary {
    position: relative;
    padding: 15px 52px 15px 18px;
    font-weight: 700;
    cursor: pointer;
    list-style: none;
}

.faq-device summary::-webkit-details-marker,
.app-faq summary::-webkit-details-marker {
    display: none;
}

.faq-device summary::after,
.app-faq summary::after {
    content: "+";
    position: absolute;
    right: 18px;
    top: 14px;
    color: var(--mk-purple);
    font-size: 19px;
    font-weight: 700;
}

.faq-device details[open] summary::after,
.app-faq details[open] summary::after {
    content: "\2212";
}

.faq-device details p,
.app-faq details p {
    margin: 0;
    padding: 0 18px 16px;
    color: var(--mk-muted);
    font-size: 14.5px;
}

/* ---------- 关于页 ---------- */

.about-prod {
    padding: 54px 0 58px;
    background: var(--mk-lilac);
    border-bottom: 1px solid var(--mk-line);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
    gap: 44px;
}

.about-lede p {
    color: var(--mk-muted);
}

.about-figure {
    margin: 0;
}

.about-figure img {
    width: 100%;
    aspect-ratio: 4 / 5;
    object-position: center 22%;
    border-radius: var(--mk-radius);
    border: 1px solid var(--mk-line);
    max-height: 430px;
}

.dev-notes-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.dev-note {
    padding: 24px 20px;
    border: 1px solid var(--mk-line);
    border-radius: var(--mk-radius);
    background: var(--mk-white);
    box-shadow: var(--mk-shadow);
}

.dev-note .cap-ico {
    margin-bottom: 12px;
}

.dev-note h2 {
    font-size: 19px;
}

.dev-note p {
    margin: 0;
    color: var(--mk-muted);
    font-size: 14.5px;
}

.about-note {
    padding: 56px 0 62px;
    background: var(--mk-lilac);
    border-top: 1px solid var(--mk-line);
}

.note-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 40px;
}

.note-figure {
    margin: 0;
}

.note-figure img {
    width: 100%;
    aspect-ratio: 3 / 2;
    object-position: center 58%;
    border-radius: var(--mk-radius);
    border: 1px solid var(--mk-line);
    max-height: 300px;
}

/* ---------- 产品页 ---------- */

.prod-intro {
    padding: 52px 0 40px;
    background: var(--mk-lilac);
    border-bottom: 1px solid var(--mk-line);
}

.prod-intro p {
    max-width: 800px;
    color: var(--mk-muted);
}

.cap-mod {
    padding: 54px 0;
    border-bottom: 1px solid var(--mk-line);
}

.cap-mod-alt {
    background: var(--mk-lilac);
}

.cap-mod-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
    gap: 42px;
}

.cap-mod-rev .cap-mod-figure {
    order: -1;
}

.cap-mod-copy {
    min-width: 0;
}

.cap-mod-figure {
    margin: 0;
    min-width: 0;
}

.cap-mod-figure img {
    width: 100%;
    aspect-ratio: 3 / 2;
    object-position: center 40%;
    border-radius: var(--mk-radius);
    border: 1px solid var(--mk-line);
    max-height: 360px;
}

.fig-fourthree img {
    aspect-ratio: 4 / 3;
    object-position: center 58%;
}

.fig-square img {
    aspect-ratio: 1 / 1;
    object-position: center 30%;
    max-height: 330px;
}

.fig-wide img {
    aspect-ratio: 16 / 9;
    object-position: center 65%;
    max-height: 300px;
}

.mod-list {
    padding-left: 18px;
    list-style: disc;
    color: var(--mk-muted);
}

.prod-cta {
    padding: 48px 0 62px;
    background: var(--mk-lilac);
}

.prod-cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 18px;
    padding: 26px 24px;
    border: 1px solid var(--mk-line);
    border-radius: var(--mk-radius);
    background: var(--mk-white);
    box-shadow: var(--mk-shadow);
}

.prod-cta-inner h2 {
    margin: 0;
    font-size: 21px;
}

.prod-cta-inner p {
    margin: 6px 0 0;
    color: var(--mk-muted);
    font-size: 14.5px;
}

/* ---------- 资讯页 ---------- */

.news-prod {
    padding: 54px 0 64px;
}

.news-head {
    padding: 50px 0 34px;
    background: var(--mk-lilac);
    border-bottom: 1px solid var(--mk-line);
}

.news-head p {
    max-width: 780px;
    color: var(--mk-muted);
}

.news-flow {
    display: grid;
    gap: 22px;
    margin-top: 26px;
}

.news-lead-card {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 26px;
    align-items: center;
    padding: 20px;
    border: 1px solid var(--mk-line);
    border-radius: var(--mk-radius);
    background: var(--mk-white);
    box-shadow: var(--mk-shadow);
}

.news-lead-card img {
    width: 100%;
    aspect-ratio: 3 / 2;
    object-position: center 42%;
    border-radius: 10px;
    max-height: 320px;
}

.news-stamp {
    display: block;
    margin-bottom: 8px;
    color: var(--mk-sky);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.news-pair {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
}

.news-mini {
    padding: 18px;
    border: 1px solid var(--mk-line);
    border-radius: var(--mk-radius);
    background: var(--mk-white);
}

.news-mini img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-position: center 50%;
    margin-bottom: 14px;
    border-radius: 10px;
    max-height: 210px;
}

.news-mini:last-child img {
    aspect-ratio: 1 / 1;
    object-position: center 35%;
    max-height: 230px;
}

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

.news-text-card {
    padding: 20px 18px;
    border: 1px dashed var(--mk-line);
    border-radius: var(--mk-radius);
    background: var(--mk-lilac);
}

.news-text-card p {
    margin: 0;
    color: var(--mk-muted);
    font-size: 14.5px;
}

.news-browse {
    margin-top: 26px;
    padding: 20px 22px;
    border-left: 3px solid var(--mk-sky);
    background: var(--mk-lilac);
    border-radius: 0 var(--mk-radius) var(--mk-radius) 0;
}

.news-browse p {
    margin: 0;
    color: var(--mk-muted);
}

/* ---------- 联系页 ---------- */

.contact-band {
    padding: 46px 0 20px;
    background: var(--mk-lilac);
}

.contact-banner {
    margin: 0 0 26px;
}

.contact-banner img {
    width: 100%;
    aspect-ratio: 5 / 2;
    object-position: center 48%;
    border-radius: var(--mk-radius);
    border: 1px solid var(--mk-line);
    max-height: 260px;
}

.contact-prod {
    padding: 30px 0 60px;
}

.contact-prod-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 36px;
    align-items: start;
}

.contact-item {
    padding: 18px 0;
    border-bottom: 1px solid var(--mk-line);
}

.contact-item h2 {
    font-size: 20px;
}

.contact-item p {
    margin: 0 0 8px;
    color: var(--mk-muted);
    font-size: 14.5px;
}

.contact-side {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-top: 20px;
    padding: 16px;
    border: 1px solid var(--mk-line);
    border-radius: var(--mk-radius);
    background: var(--mk-white);
}

.contact-side img {
    flex: 0 0 auto;
    width: 96px;
    aspect-ratio: 1 / 1;
    object-position: center 45%;
    border-radius: 10px;
}

.contact-side p {
    margin: 0;
    color: var(--mk-muted);
    font-size: 14px;
}

.prod-form {
    padding: 26px 22px;
    border: 1px solid var(--mk-line);
    border-radius: var(--mk-radius);
    background: var(--mk-white);
    box-shadow: var(--mk-shadow);
}

.prod-form h2 {
    font-size: 22px;
    margin-bottom: 6px;
}

.form-hint {
    margin: 0 0 18px;
    color: var(--mk-muted);
    font-size: 14px;
}

.field {
    display: block;
    margin-bottom: 16px;
}

.field-label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 700;
}

.field input,
.field select,
.field textarea {
    width: 100%;
    padding: 11px 13px;
    border: 1px solid var(--mk-line);
    border-radius: var(--mk-radius);
    background: var(--mk-lilac);
    color: var(--mk-ink);
    font-family: inherit;
    font-size: 15px;
    line-height: 1.7;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
    outline: 2px solid var(--mk-purple-soft);
    border-color: var(--mk-purple);
}

.form-tip {
    min-height: 24px;
    margin: 12px 0 0;
    color: var(--mk-purple-deep);
    font-size: 14px;
}

.contact-tail {
    padding: 0 0 58px;
}

/* ---------- 客户端页 ---------- */

.app-hero {
    padding: 52px 0 56px;
    background: var(--mk-lilac);
    border-bottom: 1px solid var(--mk-line);
}

.app-hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 40px;
}

.app-phones {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.app-phones .phone img {
    aspect-ratio: 9 / 16;
    object-position: center 18%;
    max-height: 330px;
}

.app-phones .phone-right img {
    aspect-ratio: 9 / 16;
    object-position: center 70%;
}

.app-cap-4 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.app-cap {
    display: grid;
    grid-template-columns: 200px minmax(0, 1fr);
    align-items: center;
    gap: 18px;
    padding: 18px;
    border: 1px solid var(--mk-line);
    border-radius: var(--mk-radius);
    background: var(--mk-white);
}

.app-cap img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-position: center 35%;
    border-radius: 10px;
    max-height: 150px;
}

.app-cap-plain {
    grid-template-columns: minmax(0, 1fr);
    align-content: start;
}

.app-cap h3 {
    margin-bottom: 6px;
}

.app-cap p {
    margin: 0;
    color: var(--mk-muted);
    font-size: 14.5px;
}

.app-version-table {
    padding: 56px 0;
    background: var(--mk-lilac);
    border-top: 1px solid var(--mk-line);
    border-bottom: 1px solid var(--mk-line);
}

.table-scroll {
    overflow-x: auto;
    border: 1px solid var(--mk-line);
    border-radius: var(--mk-radius);
    background: var(--mk-white);
}

.table-scroll table {
    width: 100%;
    min-width: 620px;
    border-collapse: collapse;
    font-size: 15px;
}

.table-scroll caption {
    padding: 14px 16px;
    color: var(--mk-muted);
    font-size: 13.5px;
    text-align: left;
}

.table-scroll th,
.table-scroll td {
    padding: 13px 16px;
    border-top: 1px solid var(--mk-line);
    text-align: left;
}

.table-scroll thead th {
    background: var(--mk-purple-soft);
    color: var(--mk-purple-deep);
}

.app-steps {
    padding: 52px 0;
}

.app-steps-list {
    max-width: 860px;
    padding-left: 18px;
    list-style: disc;
    color: var(--mk-muted);
}

.dot-list::marker,
.mod-list::marker,
.app-steps-list::marker {
    color: var(--mk-purple);
}

.app-faq-band {
    padding: 52px 0 64px;
    background: var(--mk-lilac);
    border-top: 1px solid var(--mk-line);
}

/* ---------- 页脚 ---------- */

.prod-foot {
    padding: 52px 0 24px;
    border-top: 1px solid var(--mk-line);
    background: var(--mk-white);
}

.foot-grid {
    display: grid;
    grid-template-columns: 1.3fr repeat(3, minmax(0, 1fr));
    gap: 30px;
}

.foot-brand .brand-mark {
    margin-bottom: 14px;
}

.foot-note {
    margin: 0;
    color: var(--mk-muted);
    font-size: 14px;
}

.foot-col h3 {
    margin-bottom: 10px;
    font-size: 15px;
}

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

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

.foot-col a {
    color: var(--mk-muted);
    font-size: 14px;
}

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

.foot-base {
    margin-top: 34px;
    padding-top: 18px;
    border-top: 1px solid var(--mk-lilac);
}

.foot-base p {
    margin: 0 0 6px;
    color: var(--mk-muted);
    font-size: 13px;
}

/* ---------- 响应式 ---------- */

@media (max-width: 900px) {
    body h1 {
        font-size: 34px;
    }

    body h2 {
        font-size: 23px;
    }

    .nav-desk {
        display: none;
    }

    .nav-fold {
        display: block;
        margin-left: auto;
    }

    .hero-grid,
    .about-grid,
    .note-grid,
    .sport-duo,
    .cap-mod-grid,
    .news-lead-card,
    .contact-prod-grid,
    .app-hero-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .device-hero {
        padding: 40px 0 46px;
    }

    .device-stack,
    .app-phones {
        min-height: 0;
        margin-top: 12px;
    }

    .phone {
        width: 178px;
    }

    .cap-2x3,
    .version-cards-3,
    .dev-notes-3,
    .guide-steps-4,
    .news-text-row,
    .app-cap-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

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

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

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

    .cap-mod-rev .cap-mod-figure {
        order: 0;
    }
}

@media (max-width: 620px) {
    .hero-grid {
        gap: 26px;
    }

    .nav-row {
        gap: 10px;
    }

    .btn-solid {
        padding: 0 14px;
    }

    .phone {
        width: 44%;
        max-width: 170px;
        padding: 10px 8px;
        border-radius: 26px;
    }

    .phone img {
        border-radius: 18px;
    }

    .phone-left,
    .phone-right {
        transform: none;
    }

    .phone-right {
        margin-left: -14px;
    }

    .device-stack,
    .app-phones {
        gap: 10px;
    }

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

    .cap-2x3,
    .version-cards-3,
    .dev-notes-3,
    .guide-steps-4,
    .news-text-row,
    .news-pair,
    .app-cap-4 {
        grid-template-columns: minmax(0, 1fr);
    }

    .band,
    .cap-mod,
    .app-steps,
    .app-version-table,
    .app-faq-band {
        padding: 38px 0;
    }

    .esport-row {
        padding: 12px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .phone-left,
    .phone-right {
        transition: none;
    }
}