@font-face {
    font-family: "tabler-icons";
    font-style: normal;
    font-weight: 400;
    font-display: block;
    src: url("/official-assets/tabler-icons/fonts/tabler-icons.woff2") format("woff2");
}

:root {
    --navy-950: #061627;
    --navy-900: #0a1d31;
    --navy-800: #132c45;
    --navy-700: #27465f;
    --ink: #0b1d2d;
    --text: #263d50;
    --muted: #647b8d;
    --teal-700: #00777d;
    --teal-600: #008b91;
    --teal-100: #dff2f1;
    --blue-600: #1478e5;
    --blue-100: #e9f2fd;
    --paper: #fbfcfb;
    --surface: #ffffff;
    --surface-soft: #f1f6f7;
    --line: #dce7ea;
    --line-dark: rgba(255, 255, 255, 0.15);
    --shadow-sm: 0 8px 24px rgba(6, 22, 39, 0.08);
    --shadow-lg: 0 32px 80px rgba(2, 15, 28, 0.24);
    --radius-sm: 12px;
    --radius: 20px;
    --radius-lg: 32px;
    --max: 1200px;
    --section-space: clamp(76px, 9vw, 128px);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    background: var(--paper);
}

body {
    margin: 0;
    color: var(--text);
    background: var(--paper);
    font-family: "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body.nav-open {
    overflow: hidden;
}

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

button,
a {
    -webkit-tap-highlight-color: transparent;
}

button {
    font: inherit;
}

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

.skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 100;
    padding: 10px 14px;
    color: var(--navy-950);
    background: var(--surface);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transform: translateY(-160%);
}

.skip-link:focus {
    transform: translateY(0);
}

.page-shell {
    min-height: 100vh;
    overflow: clip;
}

.container {
    width: min(var(--max), calc(100% - 48px));
    margin: 0 auto;
}

.section {
    padding: var(--section-space) 0;
}

section[id] {
    scroll-margin-top: 86px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 18px;
    color: var(--teal-700);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.eyebrow i {
    font-size: 18px;
}

.section-heading {
    margin: 0;
    color: var(--ink);
    font-size: clamp(34px, 4.4vw, 58px);
    font-weight: 950;
    letter-spacing: -0.045em;
    line-height: 1.12;
}

.section-intro {
    max-width: 680px;
    margin: 20px 0 0;
    color: var(--muted);
    font-size: clamp(16px, 1.6vw, 19px);
    line-height: 1.85;
}

.site-header {
    position: absolute;
    inset: 0 0 auto;
    z-index: 40;
    color: #ffffff;
    border-bottom: 1px solid var(--line-dark);
    background: rgba(6, 22, 39, 0.9);
}

.site-header.is-scrolled {
    position: fixed;
    background: rgba(6, 22, 39, 0.97);
    box-shadow: 0 12px 40px rgba(2, 15, 28, 0.2);
}

.nav {
    min-height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 34px;
}

.brand,
.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-weight: 900;
    white-space: nowrap;
}

.brand img,
.footer-brand img {
    width: 42px;
    height: 42px;
    object-fit: contain;
    border-radius: 12px;
}

.brand span {
    font-size: 20px;
    letter-spacing: -0.03em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-left: auto;
    color: #d8e6ef;
    font-size: 14px;
    font-weight: 800;
}

.nav-links a {
    position: relative;
    padding: 10px 0;
    white-space: nowrap;
}

.nav-links a::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 4px;
    left: 0;
    height: 2px;
    background: var(--teal-600);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 180ms ease;
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after,
.nav-links a.is-active::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav-cta,
.button {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 0 22px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-weight: 900;
    line-height: 1;
    cursor: pointer;
    transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.nav-cta {
    min-height: 42px;
    color: #ffffff;
    background: var(--teal-600);
    font-size: 14px;
}

.button-primary {
    color: #ffffff;
    background: var(--teal-600);
    box-shadow: 0 14px 34px rgba(0, 139, 145, 0.26);
}

.button-secondary {
    color: #ffffff;
    background: transparent;
    border-color: rgba(255, 255, 255, 0.42);
}

.button-light {
    color: var(--navy-950);
    background: #ffffff;
}

.nav-cta:hover,
.button:hover {
    transform: translateY(-2px);
}

.button-primary:hover,
.nav-cta:hover {
    background: #009aa1;
    box-shadow: 0 18px 40px rgba(0, 139, 145, 0.32);
}

.button-secondary:hover {
    border-color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
}

.nav-toggle {
    min-width: 56px;
    height: 44px;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 0;
    color: #ffffff;
    background: transparent;
    border: 1px solid var(--line-dark);
    border-radius: 10px;
    cursor: pointer;
}

.nav-toggle-label {
    font-size: 13px;
    font-weight: 900;
    letter-spacing: 0.08em;
}

.hero-wrap {
    position: relative;
    color: #ffffff;
    background: var(--navy-950);
}

.hero {
    min-height: 760px;
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(440px, 1.1fr);
    align-items: center;
    gap: clamp(44px, 7vw, 94px);
    padding-top: 142px;
    padding-bottom: 88px;
}

.hero-copy {
    position: relative;
    z-index: 2;
    min-width: 0;
}

.hero .eyebrow {
    color: #68d0d1;
}

.hero h1 {
    max-width: 690px;
    margin: 0;
    color: #ffffff;
    font-size: clamp(52px, 6.8vw, 88px);
    font-weight: 950;
    letter-spacing: -0.06em;
    line-height: 1.04;
}

.hero h1 em {
    display: block;
    color: #5cc4c6;
    font-style: normal;
}

.hero-lead {
    max-width: 610px;
    margin: 28px 0 0;
    color: #c8d7e2;
    font-size: clamp(17px, 1.7vw, 20px);
    line-height: 1.85;
    overflow-wrap: anywhere;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 34px;
}

.hero-proof {
    margin: 44px 0 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    list-style: none;
}

.hero-proof li {
    min-width: 0;
    padding-top: 16px;
    border-top: 1px solid var(--line-dark);
}

.hero-proof strong {
    display: block;
    color: #ffffff;
    font-size: 15px;
    font-weight: 900;
}

.hero-proof span {
    display: block;
    margin-top: 5px;
    color: #8fa7b8;
    font-size: 12px;
    line-height: 1.55;
}

.hero-visual {
    position: relative;
    min-width: 0;
    min-height: 620px;
    display: grid;
    place-items: center;
}

.device-stage {
    position: relative;
    width: min(460px, 92%);
    padding: 13px;
    background: #f5f8fa;
    border: 1px solid rgba(255, 255, 255, 0.55);
    border-radius: 44px;
    box-shadow: var(--shadow-lg);
    transform: rotate(2.4deg);
}

.device-stage::after {
    content: "";
    position: absolute;
    right: 36px;
    bottom: -34px;
    left: 36px;
    height: 48px;
    background: #071525;
    border-radius: 50%;
    filter: blur(20px);
    opacity: 0.55;
    z-index: -1;
}

.device-stage img {
    width: 100%;
    max-height: 596px;
    object-fit: cover;
    object-position: top center;
    border-radius: 33px;
}

.screen-note {
    position: absolute;
    z-index: 3;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 13px;
    color: #0d293b;
    background: #ffffff;
    border: 1px solid #dbe8ec;
    border-radius: 999px;
    box-shadow: var(--shadow-sm);
    font-size: 12px;
    font-weight: 900;
}

.screen-note i {
    color: var(--teal-700);
    font-size: 17px;
}

.screen-note.note-top {
    top: 104px;
    left: -6px;
}

.screen-note.note-bottom {
    right: -8px;
    bottom: 104px;
}

.hero-caption {
    position: absolute;
    right: 0;
    bottom: 10px;
    left: 0;
    color: #8199aa;
    text-align: center;
    font-size: 12px;
}

.workflow-section {
    background: var(--surface);
}

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

.workflow-head .section-intro {
    margin-right: auto;
    margin-left: auto;
}

.workflow-grid {
    position: relative;
    margin-top: 62px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.workflow-grid::before {
    content: "";
    position: absolute;
    top: 57px;
    right: 11%;
    left: 11%;
    height: 1px;
    background: var(--line);
}

.flow-step {
    position: relative;
    z-index: 1;
    padding: 0 clamp(16px, 2.5vw, 30px);
    text-align: center;
}

.flow-number {
    display: block;
    color: #dce5e8;
    font-size: 46px;
    font-weight: 950;
    letter-spacing: -0.06em;
    line-height: 1;
}

.flow-icon {
    width: 64px;
    height: 64px;
    margin: 14px auto 22px;
    display: grid;
    place-items: center;
    color: var(--teal-700);
    background: var(--surface);
    border: 1px solid #cfe0e4;
    border-radius: 50%;
    box-shadow: 0 0 0 10px var(--surface);
}

.flow-icon i {
    font-size: 27px;
}

.flow-step h3 {
    margin: 0;
    color: var(--ink);
    font-size: 21px;
    font-weight: 950;
}

.flow-step p {
    margin: 12px 0 0;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.75;
}

.flow-result {
    display: inline-flex;
    margin-top: 18px;
    padding: 5px 10px;
    color: var(--teal-700);
    background: var(--teal-100);
    border-radius: 999px;
    font-size: 11px;
    font-weight: 900;
}

.product-proof {
    background: var(--surface-soft);
}

.product-proof-grid {
    display: grid;
    grid-template-columns: minmax(260px, 0.72fr) minmax(520px, 1.28fr);
    align-items: center;
    gap: clamp(48px, 8vw, 112px);
}

.proof-copy .section-heading {
    font-size: clamp(38px, 4.5vw, 62px);
}

.proof-list {
    margin: 30px 0 0;
    padding: 0;
    display: grid;
    gap: 15px;
    list-style: none;
}

.proof-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: var(--navy-700);
    font-weight: 750;
}

.proof-list i {
    width: 24px;
    height: 24px;
    flex: 0 0 24px;
    display: grid;
    place-items: center;
    color: #ffffff;
    background: var(--teal-600);
    border-radius: 50%;
    font-size: 14px;
}

.proof-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 32px;
    color: var(--teal-700);
    font-weight: 900;
}

.proof-link:hover i {
    transform: translateX(3px);
}

.proof-link i {
    transition: transform 160ms ease;
}

.screen-figure {
    margin: 0;
    position: relative;
}

.screen-card {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
    padding: 18px;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: 0 28px 70px rgba(16, 48, 68, 0.15);
}

.screen-card img {
    width: 100%;
    max-height: 650px;
    object-fit: cover;
    object-position: top center;
    border-radius: 22px;
}

.screen-figure figcaption {
    margin-top: 16px;
    color: var(--muted);
    text-align: center;
    font-size: 13px;
}

.audience-section {
    background: var(--surface);
}

.audience-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 40px;
}

.audience-head .section-intro {
    max-width: 510px;
    margin: 0;
}

.audience-list {
    margin-top: 58px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.audience-item {
    min-width: 0;
    padding: 34px clamp(22px, 3.2vw, 40px);
}

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

.audience-item i {
    color: var(--teal-700);
    font-size: 33px;
}

.audience-item h3 {
    margin: 18px 0 0;
    color: var(--ink);
    font-size: 23px;
    font-weight: 950;
}

.audience-item p {
    margin: 12px 0 0;
    color: var(--muted);
    font-size: 14px;
}

.value-section {
    color: #ffffff;
    background: var(--navy-900);
}

.value-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(380px, 1.1fr);
    align-items: center;
    gap: clamp(44px, 8vw, 110px);
}

.value-section .eyebrow {
    color: #5cc4c6;
}

.value-section .section-heading {
    color: #ffffff;
}

.value-section .section-intro {
    color: #b8c9d4;
}

.value-points {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border: 1px solid var(--line-dark);
    border-radius: var(--radius);
    overflow: hidden;
}

.value-point {
    min-height: 168px;
    padding: 28px;
}

.value-point:nth-child(2n) {
    border-left: 1px solid var(--line-dark);
}

.value-point:nth-child(n + 3) {
    border-top: 1px solid var(--line-dark);
}

.value-point i {
    color: #5cc4c6;
    font-size: 26px;
}

.value-point strong {
    display: block;
    margin-top: 16px;
    color: #ffffff;
    font-size: 17px;
    font-weight: 900;
}

.value-point span {
    display: block;
    margin-top: 7px;
    color: #8fa7b8;
    font-size: 13px;
}

.contact-section {
    background: var(--paper);
}

.contact-panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 52px;
    padding: clamp(34px, 5vw, 62px);
    color: #ffffff;
    background: var(--teal-700);
    border-radius: var(--radius-lg);
    box-shadow: 0 26px 60px rgba(0, 92, 97, 0.2);
}

.contact-panel h2 {
    margin: 0;
    font-size: clamp(32px, 4vw, 52px);
    font-weight: 950;
    letter-spacing: -0.04em;
    line-height: 1.15;
}

.contact-panel p {
    max-width: 720px;
    margin: 17px 0 0;
    color: #d9f0ef;
}

.contact-actions {
    display: grid;
    gap: 10px;
}

.contact-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 18px 30px;
    margin-top: 26px;
    color: #ffffff;
    font-size: 14px;
    font-weight: 800;
}

.contact-meta a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.contact-meta i {
    font-size: 18px;
}

.site-footer {
    padding: 34px 0 42px;
    color: var(--muted);
    background: var(--paper);
    border-top: 1px solid var(--line);
}

.footer-inner {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
    font-size: 12px;
}

.footer-brand {
    color: var(--ink);
    font-size: 14px;
}

.footer-brand img {
    width: 34px;
    height: 34px;
}

.footer-links {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 22px;
    font-weight: 750;
}

.footer-links a:hover {
    color: var(--teal-700);
}

.beian {
    color: inherit;
    white-space: nowrap;
    transition: color 0.2s ease;
}

.beian:hover {
    color: var(--teal-700);
}

a:focus-visible,
button:focus-visible {
    outline: 3px solid #65c9cc;
    outline-offset: 3px;
}

[data-reveal] {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 560ms ease, transform 560ms ease;
}

[data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 1080px) {
    .hero {
        grid-template-columns: minmax(0, 1fr) minmax(360px, 0.82fr);
    }

    .hero h1 {
        font-size: clamp(50px, 7vw, 72px);
    }

    .screen-note.note-top {
        left: -24px;
    }

    .screen-note.note-bottom {
        right: -24px;
    }

    .product-proof-grid {
        grid-template-columns: minmax(260px, 0.85fr) minmax(430px, 1.15fr);
    }
}

@media (max-width: 900px) {
    .container {
        width: min(var(--max), calc(100% - 36px));
    }

    .nav-toggle {
        display: inline-flex;
    }

    .nav-cta {
        display: none;
    }

    .nav-links {
        position: fixed;
        inset: 78px 0 auto;
        display: grid;
        gap: 0;
        margin: 0;
        padding: 18px;
        color: #ffffff;
        background: var(--navy-950);
        border-top: 1px solid var(--line-dark);
        box-shadow: 0 24px 40px rgba(0, 0, 0, 0.24);
        transform: translateY(-130%);
        transition: transform 220ms ease;
    }

    .nav-links a {
        min-height: 54px;
        display: flex;
        align-items: center;
        padding: 0 12px;
        border-bottom: 1px solid var(--line-dark);
    }

    .nav-links a::after {
        display: none;
    }

    .nav-links.is-open {
        transform: translateY(0);
    }

    .hero {
        grid-template-columns: minmax(0, 1fr);
        min-height: auto;
        padding-top: 142px;
        text-align: center;
    }

    .hero h1,
    .hero-lead {
        margin-right: auto;
        margin-left: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-visual {
        min-height: 570px;
        margin-top: 12px;
    }

    .device-stage {
        width: min(430px, 78vw);
    }

    .workflow-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 46px 0;
    }

    .workflow-grid::before {
        display: none;
    }

    .product-proof-grid,
    .value-grid {
        grid-template-columns: 1fr;
    }

    .proof-copy {
        max-width: 700px;
    }

    .screen-card {
        max-width: 560px;
    }

    .audience-head {
        align-items: flex-start;
        flex-direction: column;
    }

    .audience-head .section-intro {
        margin-top: 0;
    }

    .contact-panel {
        grid-template-columns: 1fr;
    }

    .contact-actions {
        display: flex;
        flex-wrap: wrap;
    }

    .footer-inner {
        grid-template-columns: 1fr;
        justify-items: start;
    }

    .footer-links {
        justify-content: flex-start;
        flex-wrap: wrap;
    }
}

@media (max-width: 680px) {
    :root {
        --section-space: 76px;
    }

    .container {
        width: min(var(--max), calc(100% - 28px));
    }

    .brand img {
        width: 36px;
        height: 36px;
    }

    .brand span {
        font-size: 18px;
    }

    .nav {
        min-height: 70px;
    }

    .nav-links {
        inset: 70px 0 auto;
    }

    .hero {
        gap: 36px;
        padding-top: 116px;
        padding-bottom: 72px;
    }

    .hero h1 {
        font-size: clamp(44px, 14.8vw, 64px);
        letter-spacing: -0.055em;
    }

    .hero-lead {
        font-size: 16px;
    }

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

    .button {
        width: 100%;
    }

    .hero-proof {
        grid-template-columns: 1fr;
        text-align: left;
    }

    .hero-visual {
        min-height: 510px;
    }

    .device-stage {
        width: min(380px, 84vw);
        padding: 9px;
        border-radius: 32px;
        transform: rotate(1deg);
    }

    .device-stage img {
        max-height: 500px;
        border-radius: 24px;
    }

    .screen-note {
        display: none;
    }

    .workflow-grid {
        grid-template-columns: 1fr;
        gap: 0;
        margin-top: 46px;
    }

    .flow-step {
        padding: 28px 12px;
        border-top: 1px solid var(--line);
    }

    .flow-number {
        font-size: 36px;
    }

    .product-proof-grid {
        gap: 44px;
    }

    .screen-card {
        padding: 10px;
        border-radius: 24px;
    }

    .screen-card img {
        max-height: 560px;
        border-radius: 17px;
    }

    .audience-list {
        grid-template-columns: 1fr;
    }

    .audience-item + .audience-item {
        border-top: 1px solid var(--line);
        border-left: 0;
    }

    .value-points {
        grid-template-columns: 1fr;
    }

    .value-point:nth-child(2n) {
        border-left: 0;
    }

    .value-point + .value-point {
        border-top: 1px solid var(--line-dark);
    }

    .contact-panel {
        gap: 32px;
        border-radius: 24px;
    }

    .contact-actions {
        display: grid;
    }

    .contact-meta {
        display: grid;
        gap: 10px;
    }

    .footer-links {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px 26px;
    }
}

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

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }

    [data-reveal] {
        opacity: 1;
        transform: none;
    }
}