/* ==========================================================================
   mk-08 站点样式：现代软件 SaaS 官网视觉语言
   白底与浅灰分区底交替，靛蓝只用于按钮与链接，薄荷只用于图表与成功态。
   ========================================================================== */

:root {
    --ink: #1b1d2a;
    --body: #4c5165;
    --muted: #767c92;
    --line: #e7e9f4;
    --soft: #f7f8fc;
    --indigo: #3b3fd8;
    --indigo-deep: #2f33b4;
    --indigo-soft: #eef0ff;
    --mint: #22c39a;
    --white: #ffffff;
    --radius: 14px;
    --shadow: 0 8px 24px rgba(27, 29, 42, 0.06);
    --shadow-lift: 0 18px 48px rgba(27, 29, 42, 0.1);
    --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

* {
    box-sizing: border-box;
}

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

html body {
    margin: 0;
    padding: 0;
    background: var(--white);
    color: var(--body);
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
    font-size: 16px;
    line-height: 1.8;
}

body h1,
body h2,
body h3 {
    margin: 0;
    color: var(--ink);
    letter-spacing: -0.02em;
}

body h1 {
    font-size: 48px;
    font-weight: 600;
    line-height: 1.25;
}

body h2 {
    font-size: 30px;
    font-weight: 600;
    line-height: 1.35;
}

body h3 {
    font-size: 19px;
    font-weight: 600;
    line-height: 1.5;
}

body p {
    margin: 0 0 14px;
}

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

a:hover {
    text-decoration: underline;
}

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

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

.wrap {
    width: 100%;
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 24px;
}

.lead {
    font-size: 17px;
    color: var(--body);
}

.muted {
    color: var(--muted);
}

.text-link {
    font-weight: 500;
}

/* ---------- 顶部胶囊导航 ---------- */

.pill {
    position: sticky;
    top: 16px;
    z-index: 60;
    padding: 0 20px;
}

.pill-wrap {
    max-width: 1100px;
    margin: 0 auto;
}

.capsule {
    display: flex;
    align-items: center;
    gap: 16px;
    min-height: 60px;
    padding: 8px 14px 8px 18px;
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid var(--line);
    border-radius: 999px;
    box-shadow: var(--shadow);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 9px;
    background: var(--indigo);
    color: var(--white);
    font-size: 14px;
}

.main-nav {
    margin: 0 auto;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 4px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-link {
    display: inline-block;
    padding: 8px 12px;
    border-radius: 10px;
    font-size: 14px;
    color: var(--body);
}

.nav-link:hover {
    background: var(--soft);
    color: var(--ink);
    text-decoration: none;
}

.nav-link.is-active {
    color: var(--ink);
    font-weight: 600;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 20px;
    border: 1px solid var(--indigo);
    border-radius: 999px;
    background: var(--indigo);
    color: var(--white);
    font-size: 15px;
    font-weight: 500;
    line-height: 1.2;
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--indigo-deep);
    text-decoration: none;
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 11px 20px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--white);
    color: var(--ink);
    font-size: 15px;
    font-weight: 500;
    line-height: 1.2;
}

.btn-ghost:hover {
    border-color: #c9cdfa;
    color: var(--indigo);
    text-decoration: none;
}

.head-cta {
    padding: 9px 18px;
    font-size: 14px;
    white-space: nowrap;
}

.nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--white);
    color: var(--ink);
    font-size: 16px;
    cursor: pointer;
}

.drawer {
    display: none;
}

.drawer-list {
    margin: 8px 0 0;
    padding: 8px;
    list-style: none;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.drawer-list a {
    display: block;
    padding: 10px 12px;
    border-radius: 10px;
    color: var(--body);
    font-size: 15px;
}

.drawer-list a:hover {
    background: var(--soft);
    color: var(--ink);
    text-decoration: none;
}

/* ---------- 滚动后顶栏加深 ---------- */

.pill.is-scrolled .capsule {
    box-shadow: 0 12px 30px rgba(27, 29, 42, 0.12);
}

/* ---------- 首屏 ---------- */

.saas-hero {
    padding: 76px 0 88px;
}

.hero-center {
    max-width: 780px;
    margin: 0 auto;
    text-align: center;
}

.hero-center h1 {
    margin-bottom: 18px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
    margin: 26px 0 14px;
}

.hero-micro {
    font-size: 13px;
    line-height: 1.9;
    color: var(--muted);
}

.hero-micro span {
    display: block;
}

.panel-mock {
    margin-top: 54px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lift);
    overflow: hidden;
}

.mock-top {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--soft);
    border-bottom: 1px solid var(--line);
}

.mock-dots {
    display: flex;
    gap: 6px;
}

.mock-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #d6d9e8;
}

.mock-title {
    font-size: 13px;
    color: var(--muted);
}

.mock-chip {
    margin-left: auto;
    padding: 3px 10px;
    border-radius: 999px;
    background: var(--indigo-soft);
    color: var(--indigo);
    font-size: 12px;
}

.mock-body {
    display: grid;
    grid-template-columns: 200px minmax(0, 1fr);
}

.mock-side {
    padding: 18px 14px;
    border-right: 1px solid var(--line);
}

.mock-side ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.mock-side li {
    padding: 8px 10px;
    border-radius: 10px;
    font-size: 14px;
    color: var(--body);
}

.mock-side li.is-on {
    background: var(--indigo-soft);
    color: var(--indigo);
}

.mock-content {
    padding: 20px;
}

.mock-content img {
    width: 100%;
    aspect-ratio: 2 / 1;
    max-height: 300px;
    object-fit: cover;
    border-radius: 10px;
}

.mock-line {
    margin: 14px 0 0;
    font-size: 14px;
}

/* ---------- 通用分区 ---------- */

.page-section {
    padding: 96px 0;
}

.page-section.soft {
    background: var(--soft);
}

.sec-head {
    max-width: 760px;
    margin-bottom: 36px;
}

.sec-head.center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.sec-head h2 {
    margin-bottom: 14px;
}

/* ---------- 能力卡 ---------- */

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

.cap-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.cap-card img {
    width: 100%;
    aspect-ratio: 1 / 1;
    max-height: 118px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 16px;
}

.cap-card:nth-child(1) img {
    object-position: 50% 20%;
}

.cap-card:nth-child(2) img {
    object-position: 16% 50%;
}

.cap-card:nth-child(3) img {
    object-position: 84% 52%;
}

.cap-card:nth-child(4) img {
    object-position: 50% 80%;
}

.cap-card h3 {
    margin-bottom: 10px;
}

.cap-card p {
    font-size: 15px;
}

.cap-card .text-link {
    margin-top: auto;
    font-size: 14px;
}

/* ---------- 玩法模块 ---------- */

.module-tabs-static {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 26px;
}

.module-tabs-static span {
    padding: 8px 16px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--white);
    font-size: 14px;
    color: var(--ink);
}

.module-tabs-static .is-on {
    background: var(--indigo-soft);
    border-color: #c9cdfa;
    color: var(--indigo);
}

.module-panels {
    display: grid;
    gap: 24px;
}

.panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: center;
    gap: 26px;
    padding: 24px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.panel img {
    width: 100%;
    aspect-ratio: 3 / 2;
    max-height: 260px;
    object-fit: cover;
    border-radius: 10px;
}

.panel:nth-child(2) img {
    object-position: 50% 32%;
}

.panel:nth-child(3) img {
    object-position: 50% 68%;
}

.panel h2 {
    font-size: 22px;
    margin-bottom: 10px;
}

.panel ul {
    margin: 12px 0 0;
    font-size: 15px;
}

.panel li {
    margin-bottom: 8px;
}

/* ---------- 数据面板 ---------- */

.data-board {
    display: grid;
    gap: 22px;
}

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

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

.stat-card b {
    display: block;
    font-family: var(--mono);
    font-size: 34px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.03em;
}

.stat-label {
    font-size: 14px;
}

.stat-tag {
    display: inline-block;
    margin-top: 8px;
    font-size: 12px;
    color: var(--mint);
}

.bar-chart {
    display: grid;
    gap: 14px;
    padding: 22px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.bar-row {
    display: grid;
    grid-template-columns: 118px minmax(0, 1fr) 54px;
    align-items: center;
    gap: 12px;
    font-size: 14px;
}

.bar-row em {
    font-family: var(--mono);
    font-style: normal;
    color: var(--ink);
    text-align: right;
}

.bar-track {
    height: 10px;
    border-radius: 999px;
    background: var(--soft);
    overflow: hidden;
}

.bar-fill {
    display: block;
    height: 100%;
    border-radius: 999px;
    background: var(--mint);
    transition: width 0.9s ease;
}

.board-note {
    font-size: 14px;
    color: var(--muted);
}

/* ---------- 移动端区块 ---------- */

.mobile-split {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
    gap: 32px;
}

.client-steps {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 16px;
}

.client-steps li {
    padding: 18px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.step-no {
    display: block;
    font-family: var(--mono);
    font-size: 13px;
    color: var(--indigo);
    margin-bottom: 6px;
}

.client-steps h3 {
    margin-bottom: 6px;
}

.client-steps p {
    margin: 0;
    font-size: 15px;
}

.phone-frame {
    max-width: 300px;
    margin: 0 auto;
    padding: 12px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 28px;
    box-shadow: var(--shadow-lift);
}

.phone-frame img {
    width: 100%;
    aspect-ratio: 2 / 3;
    max-height: 420px;
    object-fit: cover;
    border-radius: 20px;
}

.client-link {
    margin-top: 22px;
    font-size: 15px;
}

/* ---------- 五步流程 ---------- */

.flow-steps {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 18px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.flow-steps li {
    position: relative;
    padding-top: 36px;
}

.flow-steps li::before {
    content: "";
    position: absolute;
    top: 12px;
    left: 0;
    right: -18px;
    height: 2px;
    background: var(--line);
}

.flow-steps li:last-child::before {
    right: 0;
}

.flow-dot {
    position: absolute;
    top: 4px;
    left: 0;
    width: 16px;
    height: 16px;
    border: 4px solid var(--indigo-soft);
    border-radius: 50%;
    background: var(--indigo);
}

.flow-steps h3 {
    font-size: 17px;
    margin-bottom: 8px;
}

.flow-steps p {
    font-size: 14px;
}

/* ---------- 常见问题 ---------- */

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

.faq-item {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.faq-q {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 18px;
    border: 0;
    background: var(--white);
    color: var(--ink);
    font-family: inherit;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.6;
    text-align: left;
    cursor: pointer;
}

.faq-q i {
    color: var(--indigo);
    transition: transform 0.2s ease;
}

.faq-item.is-open .faq-q i {
    transform: rotate(180deg);
}

.faq-body {
    display: block;
    padding: 0 18px 16px;
    font-size: 15px;
}

.faq-body p:last-child {
    margin-bottom: 0;
}

.js-on .faq-item:not(.is-open) .faq-body {
    display: none;
}

.faq-tail {
    margin-top: 30px;
    text-align: center;
    font-size: 15px;
}

/* ---------- 页脚 ---------- */

.saas-foot {
    padding: 64px 0 28px;
    background: var(--soft);
    border-top: 1px solid var(--line);
}

.foot-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 28px;
}

.foot-title {
    margin-bottom: 12px;
    font-size: 13px;
    font-weight: 600;
    color: var(--indigo);
    letter-spacing: 0.02em;
}

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

.foot-col li {
    margin-bottom: 8px;
    font-size: 14px;
}

.foot-bottom {
    margin-top: 36px;
    padding-top: 18px;
    border-top: 1px solid var(--line);
    font-size: 13px;
    color: var(--muted);
}

/* ---------- 内页页头 ---------- */

.page-head {
    padding: 64px 0 40px;
    background: var(--soft);
    border-bottom: 1px solid var(--line);
}

.page-head.center {
    text-align: center;
}

.page-head h1 {
    font-size: 38px;
    margin-bottom: 14px;
}

.page-head .lead {
    max-width: 720px;
}

.page-head.center .lead {
    margin-left: auto;
    margin-right: auto;
}

.head-band {
    margin-top: 32px;
    overflow: hidden;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.head-band img {
    width: 100%;
    aspect-ratio: 6 / 1;
    max-height: 240px;
    object-fit: cover;
}

/* ---------- about ---------- */

.about-metrics {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
    margin-bottom: 56px;
}

.metric-block {
    padding: 22px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.metric-value {
    display: block;
    font-family: var(--mono);
    font-size: 30px;
    font-weight: 600;
    color: var(--ink);
}

.metric-label {
    display: block;
    margin: 6px 0 10px;
    font-size: 14px;
}

.metric-note {
    font-size: 12px;
    color: var(--mint);
}

.about-cols {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) 260px;
    gap: 28px;
    align-items: start;
}

.about-col {
    padding: 24px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.about-col h2 {
    font-size: 22px;
    margin-bottom: 14px;
}

.about-col p {
    font-size: 15px;
}

.about-figure {
    overflow: hidden;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.about-figure img {
    width: 100%;
    aspect-ratio: 2 / 3;
    max-height: 380px;
    object-fit: cover;
}

.team-note {
    margin-top: 56px;
    padding: 28px;
    background: var(--soft);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.team-note h2 {
    font-size: 22px;
    margin-bottom: 12px;
}

.team-figure {
    margin-top: 22px;
    overflow: hidden;
    border-radius: var(--radius);
    border: 1px solid var(--line);
}

.team-figure img {
    width: 100%;
    aspect-ratio: 3 / 1;
    max-height: 260px;
    object-fit: cover;
}

/* ---------- product ---------- */

.prod-modules {
    display: grid;
    gap: 0;
}

.prod-jump {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 14px;
    margin: 26px 0 0;
    padding: 0;
    list-style: none;
}

.prod-jump li {
    padding: 16px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.prod-jump p {
    margin: 0;
    font-size: 14px;
}

.module-row {
    padding: 72px 0;
}

.module-row.soft {
    background: var(--soft);
}

.module-inner {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: center;
    gap: 34px;
}

.module-row.flip .module-inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
}

.module-row.flip .module-media {
    order: 2;
}

.module-media img {
    width: 100%;
    aspect-ratio: 3 / 2;
    max-height: 300px;
    object-fit: cover;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.module-row.flip .module-media img {
    aspect-ratio: 2 / 3;
    max-height: 380px;
    object-position: 50% 30%;
}

.mod-index {
    display: block;
    font-family: var(--mono);
    font-size: 13px;
    color: var(--indigo);
    margin-bottom: 10px;
}

.module-copy h2 {
    font-size: 26px;
    margin-bottom: 12px;
}

.module-copy ul {
    font-size: 15px;
}

.module-copy li {
    margin-bottom: 8px;
}

/* ---------- news ---------- */

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

.news-card {
    display: flex;
    flex-direction: column;
    padding: 18px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.news-card img {
    width: 100%;
    aspect-ratio: 3 / 2;
    max-height: 200px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 14px;
}

.news-card.tall img {
    aspect-ratio: 4 / 3;
    object-position: 50% 72%;
}

.news-cat {
    font-size: 12px;
    color: var(--indigo);
}

.news-card h2 {
    font-size: 19px;
    margin: 8px 0 10px;
}

.news-card p {
    font-size: 15px;
}

.news-card .text-link {
    margin-top: auto;
    font-size: 14px;
}

.news-note {
    margin-top: 56px;
    padding: 28px;
    background: var(--soft);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.news-note h2 {
    font-size: 22px;
    margin-bottom: 12px;
}

/* ---------- contact ---------- */

.contact-saas {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 32px;
    align-items: start;
}

.info-item {
    padding: 22px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 18px;
}

.info-item h2 {
    font-size: 20px;
    margin-bottom: 10px;
}

.info-item p {
    font-size: 15px;
}

.info-icon {
    color: var(--indigo);
    margin-right: 8px;
}

.info-figure {
    overflow: hidden;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.info-figure img {
    width: 100%;
    aspect-ratio: 4 / 5;
    max-height: 340px;
    object-fit: cover;
    object-position: 50% 28%;
}

.contact-form {
    padding: 26px;
    background: var(--soft);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.contact-form h2 {
    font-size: 22px;
    margin-bottom: 8px;
}

.field {
    margin-bottom: 16px;
}

.field label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    color: var(--ink);
}

.field input,
.field select,
.field textarea {
    width: 100%;
    padding: 11px 13px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--white);
    color: var(--ink);
    font-family: inherit;
    font-size: 15px;
    line-height: 1.6;
}

.field textarea {
    min-height: 120px;
    resize: vertical;
}

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

.form-status {
    display: none;
    margin-top: 14px;
    padding: 12px 14px;
    border: 1px solid #bfe9dd;
    border-radius: 10px;
    background: #effaf6;
    color: #157a5d;
    font-size: 14px;
}

.form-status.is-shown {
    display: block;
}

.contact-note {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 26px;
    align-items: center;
    margin-top: 56px;
    padding: 26px;
    background: var(--soft);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.contact-note h2 {
    font-size: 22px;
    margin-bottom: 10px;
}

.note-band {
    overflow: hidden;
    border-radius: var(--radius);
    border: 1px solid var(--line);
}

.note-band img {
    width: 100%;
    aspect-ratio: 21 / 9;
    max-height: 200px;
    object-fit: cover;
    object-position: 50% 60%;
}

.note-square {
    overflow: hidden;
    border-radius: var(--radius);
    border: 1px solid var(--line);
}

.note-square img {
    width: 100%;
    aspect-ratio: 5 / 4;
    max-height: 220px;
    object-fit: cover;
    object-position: 30% 50%;
}

/* ---------- service ---------- */

.svc-timeline {
    display: grid;
    gap: 0;
    margin: 0;
    padding: 0;
    list-style: none;
    position: relative;
}

.svc-step {
    position: relative;
    padding: 0 0 32px 40px;
}

.svc-step::before {
    content: "";
    position: absolute;
    top: 20px;
    bottom: 0;
    left: 9px;
    width: 2px;
    background: var(--line);
}

.svc-step:last-child::before {
    display: none;
}

.svc-step::after {
    content: "";
    position: absolute;
    top: 6px;
    left: 2px;
    width: 14px;
    height: 14px;
    border: 4px solid var(--indigo-soft);
    border-radius: 50%;
    background: var(--indigo);
}

.svc-step-no {
    display: block;
    font-family: var(--mono);
    font-size: 13px;
    color: var(--indigo);
    margin-bottom: 6px;
}

.svc-step h3 {
    font-size: 20px;
    margin-bottom: 8px;
}

.svc-step p {
    font-size: 15px;
    margin-bottom: 8px;
}

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

.sla-card {
    padding: 24px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.sla-card h2 {
    font-size: 20px;
    margin-bottom: 10px;
}

.sla-card p {
    font-size: 15px;
}

.svc-help {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.help-item {
    padding: 20px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.help-item h3 {
    font-size: 17px;
    margin-bottom: 8px;
}

.help-item p {
    font-size: 14px;
}

.svc-figure {
    margin-top: 40px;
    overflow: hidden;
    border-radius: var(--radius);
    border: 1px solid var(--line);
}

.svc-figure img {
    width: 100%;
    aspect-ratio: 4 / 3;
    max-height: 300px;
    object-fit: cover;
    object-position: 50% 30%;
}

/* ---------- 响应式 ---------- */

@media (max-width: 1024px) {
    .cap-grid,
    .about-metrics,
    .news-cards {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

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

    .about-figure {
        grid-column: 1 / -1;
    }

    .about-figure img {
        aspect-ratio: 16 / 7;
        max-height: 280px;
    }

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

    .prod-jump {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .flow-steps li::before {
        right: 0;
    }
}

@media (max-width: 900px) {
    .main-nav,
    .head-cta {
        display: none;
    }

    .nav-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        margin-left: auto;
    }

    .drawer {
        display: block;
    }

    .js-on .drawer {
        display: none;
    }

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

    .mobile-split,
    .contact-saas,
    .contact-note,
    .module-inner,
    .module-row.flip .module-inner,
    .panel {
        grid-template-columns: minmax(0, 1fr);
    }

    .module-row.flip .module-media {
        order: 0;
    }

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

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

    .mock-side {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .page-section,
    .module-row {
        padding: 64px 0;
    }

    .page-head h1,
    .hero-center h1 {
        font-size: 32px;
    }

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

@media (max-width: 640px) {
    .cap-grid,
    .about-metrics,
    .news-cards,
    .stat-row,
    .faq-two,
    .svc-help,
    .flow-steps,
    .prod-jump,
    .about-cols {
        grid-template-columns: minmax(0, 1fr);
    }

    .bar-row {
        grid-template-columns: 96px minmax(0, 1fr) 46px;
        gap: 8px;
        font-size: 13px;
    }

    .saas-foot {
        padding: 48px 0 24px;
    }
}

/* ---------- 兼容 Tailwind Play CDN 的 preflight ---------- */
/* cdn.tailwindcss.com 会在运行时向 head 末尾注入 preflight 样式，它的元素选择器
   排在本文件之后，会把同名的元素规则覆盖掉（标题字号、段落间距、链接颜色等）。
   下面用 body 前缀提高优先级把基础排版补回来；带类名的规则优先级更高，
   仍然按本文件前面的写法生效，不受这一段影响。 */

html body {
    line-height: 1.8;
}

body h1,
body h2,
body h3 {
    font-weight: 600;
    letter-spacing: -0.02em;
}

body h1 {
    font-size: 48px;
    line-height: 1.25;
}

body h2 {
    font-size: 30px;
    line-height: 1.35;
}

body h3 {
    font-size: 19px;
    line-height: 1.5;
}

body p {
    margin: 0 0 14px;
}

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

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

body button,
body input,
body select,
body textarea {
    font-family: inherit;
}

/* 结构性列表：不缩进、不显示项目符号，保持与设计稿一致的排版 */
body .nav-list,
body .drawer-list,
body .mock-side ul,
body .panel ul,
body .module-copy ul,
body .foot-col ul,
body .prod-jump,
body .client-steps,
body .flow-steps,
body .svc-timeline {
    margin: 0;
    padding-left: 0;
    list-style: none;
}