:root {
    --red: #e60012;
    --red2: #b8000e;
    --ink: #111827;
    --muted: #64748b;
    --line: #e5e7eb;
    --soft: #f8fafc;
    --white: #fff;
    --green: #13c2a3;
    --cyan: #38bdf8;
    --shadow: 0 24px 70px rgba(15, 23, 42, .12)
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    margin: 0;
    color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: #fff;
    line-height: 1.6
}

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

.container {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto
}

.section-pad {
    padding: 96px 0
}

.section-pad.compact {
    padding-top: 72px
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, .88);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(226, 232, 240, .85)
}

.navbar {
    width: min(1180px, calc(100% - 40px));
    height: 76px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px
}

.brand-mark {
    display: block;
    width: 54px;
    height: 54px;
    border-radius: 16px;
    object-fit: cover;
    box-shadow: 0 14px 30px rgba(230, 0, 18, .28)
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15
}

.brand-text strong {
    font-size: 19px;
    letter-spacing: .5px
}

.brand-text small {
    margin-top: 3px;
    color: var(--muted);
    font-size: 12px
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    color: #334155;
    font-size: 15px;
    font-weight: 600
}

.nav-links a {
    transition: color .2s
}

.nav-links a:hover {
    color: var(--red)
}

.nav-cta {
    padding: 10px 18px;
    color: #fff !important;
    background: var(--red);
    border-radius: 999px;
    box-shadow: 0 12px 26px rgba(230, 0, 18, .2)
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 12px;
    background: #fff1f2
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    margin: 4px auto;
    background: var(--red)
}

.hero {
    position: relative;
    overflow: hidden;
    min-height: 720px;
    display: flex;
    align-items: center;
    background: radial-gradient(circle at 20% 20%, rgba(230, 0, 18, .12), transparent 28%), linear-gradient(180deg, #fff7f7 0%, #fff 70%)
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.03fr .97fr;
    align-items: center;
    gap: 64px
}

.eyebrow {
    margin: 0 0 14px;
    color: var(--red);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase
}

h1,
h2,
h3,
p {
    margin-top: 0
}

h1 {
    margin-bottom: 24px;
    font-size: clamp(42px, 5vw, 72px);
    line-height: 1.05;
    letter-spacing: -.06em
}

h2 {
    margin-bottom: 18px;
    font-size: clamp(30px, 3.4vw, 46px);
    line-height: 1.18;
    letter-spacing: -.04em
}

h3 {
    margin-bottom: 10px;
    font-size: 21px
}

.hero-desc,
.section-heading p,
.about-text,
.contact-copy>p {
    color: var(--muted);
    font-size: 18px
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin: 34px 0
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 24px;
    border: 1px solid transparent;
    border-radius: 999px;
    font-weight: 800;
    cursor: pointer;
    transition: .2s
}

.btn:hover {
    transform: translateY(-2px)
}

.btn.primary {
    color: #fff;
    background: linear-gradient(135deg, var(--red), #ff4d4f);
    box-shadow: 0 16px 34px rgba(230, 0, 18, .28)
}

.btn.secondary {
    color: var(--red);
    background: #fff;
    border-color: rgba(230, 0, 18, .2)
}

.btn.full {
    width: 100%
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px
}

.hero-metrics div {
    padding: 18px;
    background: rgba(255, 255, 255, .78);
    border: 1px solid rgba(226, 232, 240, .9);
    border-radius: 18px
}

.hero-metrics strong,
.hero-metrics span {
    display: block
}

.hero-metrics strong {
    color: var(--red);
    font-size: 23px
}

.hero-metrics span {
    color: var(--muted);
    font-size: 13px
}

.hero-card {
    position: relative;
    min-height: 520px;
    padding: 34px;
    border: 1px solid rgba(255, 255, 255, .8);
    border-radius: 36px;
    background: linear-gradient(145deg, rgba(255, 255, 255, .88), rgba(255, 241, 242, .82));
    box-shadow: var(--shadow)
}

.charger-visual {
    width: min(320px, 82%);
    height: 420px;
    margin: 0 auto;
    padding: 34px 28px;
    border-radius: 36px 36px 26px 26px;
    background: linear-gradient(180deg, #1f2937, #0f172a);
    box-shadow: inset 0 0 0 8px rgba(255, 255, 255, .08), 0 24px 40px rgba(15, 23, 42, .28)
}

.charger-screen {
    height: 145px;
    padding: 22px;
    color: #fff;
    border-radius: 22px;
    background: linear-gradient(135deg, var(--red), #ff7a7a)
}

.charger-screen span,
.charger-screen strong {
    display: block
}

.charger-screen span {
    font-size: 48px;
    font-weight: 900;
    letter-spacing: -.08em
}

.charger-screen strong {
    margin-top: 8px;
    font-size: 13px;
    letter-spacing: .15em
}

.charge-bar {
    height: 12px;
    margin: 34px 0;
    overflow: hidden;
    border-radius: 999px;
    background: rgba(255, 255, 255, .13)
}

.charge-bar span {
    display: block;
    width: 76%;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--green), var(--cyan))
}

.charger-body-lines {
    height: 112px;
    border-radius: 22px;
    background: repeating-linear-gradient(180deg, rgba(255, 255, 255, .1) 0 2px, transparent 2px 20px)
}

.status-panel {
    position: absolute;
    right: 20px;
    bottom: 24px;
    width: min(320px, calc(100% - 40px));
    padding: 22px;
    border-radius: 22px;
    background: rgba(255, 255, 255, .92);
    box-shadow: 0 20px 50px rgba(15, 23, 42, .16)
}

.status-panel p {
    margin-bottom: 12px;
    color: var(--muted);
    font-size: 14px
}

.status-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-top: 1px solid var(--line)
}

.status-row strong {
    color: var(--red)
}

.hero-bg-orb {
    position: absolute;
    border-radius: 999px;
    filter: blur(8px);
    opacity: .34
}

.orb-one {
    right: 8%;
    top: 120px;
    width: 210px;
    height: 210px;
    background: var(--red)
}

.orb-two {
    right: 32%;
    bottom: 80px;
    width: 160px;
    height: 160px;
    background: var(--green)
}

.section-heading {
    max-width: 760px;
    margin: 0 auto 44px;
    text-align: center
}

.section-heading.align-left {
    margin: 0;
    text-align: left
}

.cards-grid {
    display: grid;
    gap: 22px
}

.cards-grid.four {
    grid-template-columns: repeat(4, 1fr)
}

.service-card,
.advantage-card,
.license-card,
.process-card,
.contact-form,
.dashboard-card {
    border: 1px solid var(--line);
    border-radius: 28px;
    background: #fff;
    box-shadow: 0 14px 40px rgba(15, 23, 42, .06)
}

.service-card {
    padding: 28px;
    transition: .2s
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow)
}

.card-icon {
    display: inline-flex;
    margin-bottom: 28px;
    color: var(--red);
    font-size: 28px;
    font-weight: 900
}

.service-card p,
.advantage-card p,
.process-list span,
.license-card dd,
.contact-info,
.form-note {
    color: var(--muted)
}

.platform-section,
.about-section {
    background: var(--soft)
}

.platform-grid,
.about-grid,
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 56px
}

.check-list {
    display: grid;
    gap: 12px;
    padding: 0;
    margin: 28px 0 0;
    list-style: none
}

.check-list li {
    position: relative;
    padding-left: 30px;
    color: #334155;
    font-weight: 600
}

.check-list li:before {
    position: absolute;
    left: 0;
    top: 1px;
    content: "✓";
    width: 22px;
    height: 22px;
    display: grid;
    place-items: center;
    color: #fff;
    background: linear-gradient(135deg, var(--green), var(--cyan));
    border-radius: 999px;
    font-size: 13px
}

.dashboard-card {
    padding: 28px;
    background: #0f172a;
    color: #fff;
    box-shadow: 0 28px 80px rgba(15, 23, 42, .28)
}

.dashboard-top {
    display: flex;
    gap: 8px;
    margin-bottom: 22px
}

.dashboard-top span {
    width: 11px;
    height: 11px;
    border-radius: 999px;
    background: #ef4444
}

.dashboard-top span:nth-child(2) {
    background: #f59e0b
}

.dashboard-top span:nth-child(3) {
    background: #22c55e
}

.dashboard-title {
    margin-bottom: 26px;
    font-size: 24px;
    font-weight: 900
}

.chart-bars {
    display: flex;
    align-items: end;
    gap: 14px;
    height: 210px;
    padding: 22px;
    border-radius: 24px;
    background: rgba(255, 255, 255, .06)
}

.chart-bars i {
    flex: 1;
    border-radius: 999px 999px 8px 8px;
    background: linear-gradient(180deg, var(--cyan), var(--green))
}

.dashboard-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 18px
}

.dashboard-stats div {
    padding: 18px;
    border-radius: 18px;
    background: rgba(255, 255, 255, .08)
}

.dashboard-stats span,
.dashboard-stats strong {
    display: block
}

.dashboard-stats span {
    color: #cbd5e1;
    font-size: 13px
}

.dashboard-stats strong {
    margin-top: 6px;
    font-size: 22px
}

.advantage-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 22px
}

.advantage-card {
    padding: 30px
}

.advantage-card.highlight {
    grid-row: span 2;
    color: #fff;
    background: linear-gradient(135deg, var(--red), #ff6b6b);
    border-color: transparent
}

.advantage-card.highlight p {
    color: rgba(255, 255, 255, .84)
}

.license-card,
.process-card {
    padding: 30px
}

.license-card {
    margin-top: 28px
}

.license-card dl {
    margin: 0
}

.license-card div {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 18px;
    padding: 13px 0;
    border-top: 1px solid var(--line)
}

.license-card dt {
    color: #334155;
    font-weight: 800
}

.license-card dd {
    margin: 0
}

.license-card a {
    color: var(--red);
    font-weight: 800
}

.process-list {
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: process
}

.process-list li {
    position: relative;
    padding: 0 0 28px 54px;
    counter-increment: process
}

.process-list li:last-child {
    padding-bottom: 0
}

.process-list li:before {
    position: absolute;
    left: 0;
    top: 0;
    content: counter(process);
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    color: #fff;
    background: var(--red);
    border-radius: 999px;
    font-weight: 900
}

.process-list li:after {
    position: absolute;
    left: 16px;
    top: 42px;
    bottom: 8px;
    content: "";
    width: 2px;
    background: var(--line)
}

.process-list li:last-child:after {
    display: none
}

.process-list strong,
.process-list span {
    display: block
}

.contact-section {
    background: linear-gradient(135deg, #fff7f7, #fff 45%, #f0fdfa)
}

.contact-form {
    display: grid;
    gap: 18px;
    padding: 30px
}

.contact-form label,
.contact-form span {
    display: block
}

.contact-form span {
    margin-bottom: 8px;
    color: #334155;
    font-weight: 800
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 13px 15px;
    color: var(--ink);
    font: inherit;
    outline: none;
    background: #fff
}

input:focus,
select:focus,
textarea:focus {
    border-color: rgba(230, 0, 18, .45);
    box-shadow: 0 0 0 4px rgba(230, 0, 18, .08)
}

textarea {
    resize: vertical
}

.form-note {
    margin: -4px 0 0;
    font-size: 13px
}

.site-footer {
    color: #cbd5e1;
    background: #0f172a
}

.footer-grid {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    padding: 46px 0
}

.footer-brand .brand-text strong {
    color: #fff
}

.footer-grid p {
    margin: 16px 0 0;
    color: #94a3b8
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    font-weight: 700
}

.footer-links a:hover {
    color: #fff
}

.footer-bottom {
    display: flex;
    justify-content: center;
    gap: 24px;
    padding: 18px 20px;
    border-top: 1px solid rgba(255, 255, 255, .08);
    color: #94a3b8;
    font-size: 13px
}

@media(max-width:980px) {
    .nav-toggle {
        display: block
    }

    .nav-links {
        position: absolute;
        left: 20px;
        right: 20px;
        top: 84px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 16px;
        border: 1px solid var(--line);
        border-radius: 22px;
        background: #fff;
        box-shadow: var(--shadow)
    }

    .nav-links.open {
        display: flex
    }

    .nav-links a {
        padding: 12px 10px
    }

    .hero-grid,
    .platform-grid,
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr
    }

    .cards-grid.four,
    .advantage-grid {
        grid-template-columns: repeat(2, 1fr)
    }

    .advantage-card.highlight {
        grid-row: auto
    }
}

@media(max-width:680px) {

    .container,
    .navbar {
        width: min(100% - 28px, 1180px)
    }

    .section-pad {
        padding: 66px 0
    }

    .hero {
        min-height: auto
    }

    .hero-grid {
        gap: 38px
    }

    .hero-metrics,
    .cards-grid.four,
    .advantage-grid,
    .dashboard-stats {
        grid-template-columns: 1fr
    }

    .hero-card {
        min-height: 470px;
        padding: 20px
    }

    .charger-visual {
        height: 370px
    }

    .license-card div {
        grid-template-columns: 1fr;
        gap: 4px
    }

    .footer-grid,
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start
    }
}

.mission-banner {
    margin: 24px 0 0;
    padding: 18px 20px;
    border: 1px solid rgba(255, 255, 255, .28);
    border-radius: 20px;
    background: rgba(203, 12, 12, 0.12);
    backdrop-filter: blur(12px);
    box-shadow: 0 18px 45px rgba(0, 0, 0, .12)
}

.mission-banner span {
    display: block;
    color: rgba(255, 255, 255, .78);
    font-size: .82rem;
    font-weight: 800;
    letter-spacing: .16em
}

.mission-banner strong {
    display: block;
    margin-top: 4px;
    color: #fff;
    font-size: clamp(1.7rem, 4vw, 2.8rem);
    line-height: 1.1
}

.mission-banner small {
    display: block;
    margin-top: 8px;
    color: rgba(255, 255, 255, .82);
    font-size: .95rem
}