:root {
    --bg: #f3f6fb;
    --panel: #ffffff;
    --ink: #0f1d38;
    --muted: #52688f;
    --brand: #0d7e84;
    --brand-strong: #0a666c;
    --accent: #df9b3e;
    --line: #d5e0ee;
    --deep: #112449;
    --deep-2: #1b3762;
    --radius: 14px;
    --shadow: 0 24px 42px -28px rgba(13, 30, 58, 0.45);
    --shadow-soft: 0 12px 28px -20px rgba(13, 30, 58, 0.32);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Plus Jakarta Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--ink);
    background:
        radial-gradient(circle at 12% -10%, #ffffff 0%, rgba(255, 255, 255, 0.3) 38%, transparent 62%),
        radial-gradient(circle at 92% 12%, rgba(13, 126, 132, 0.11) 0%, rgba(13, 126, 132, 0) 42%),
        linear-gradient(180deg, #f8fbff 0%, #f2f6fc 45%, #ecf2fa 100%);
    line-height: 1.65;
}

a,
button {
    font: inherit;
}

a:focus-visible,
button:focus-visible {
    outline: 3px solid rgba(226, 149, 47, 0.4);
    outline-offset: 2px;
}

.container {
    width: min(1120px, 92vw);
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
}

.navbar {
    background: rgba(248, 251, 255, 0.88);
    border-bottom: 1px solid rgba(205, 218, 236, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: 0 12px 24px -22px rgba(16, 39, 74, 0.55);
}

.nav-inner {
    min-height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    text-decoration: none;
    color: inherit;
}

.brand-mark {
    display: inline-grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border-radius: 11px;
    background: linear-gradient(140deg, var(--brand) 0%, #2da09c 100%);
    color: #fff;
    font-weight: 800;
    font-family: "Sora", sans-serif;
}

.brand-text {
    font-family: "Sora", sans-serif;
    font-size: 0.98rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 1.4rem;
}

.nav-menu a {
    position: relative;
    display: block;
    text-decoration: none;
    color: var(--ink);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.38rem 0;
}

.nav-menu a:hover {
    color: var(--brand);
}

.nav-menu a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -0.3rem;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--brand), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.24s ease;
}

.nav-menu a:hover::after {
    transform: scaleX(1);
}

.hamburger {
    display: none;
    border: 0;
    background: transparent;
    width: 42px;
    height: 42px;
    border-radius: 10px;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2.5px;
    margin: 4px auto;
    background: var(--ink);
    border-radius: 20px;
}

section {
    padding: 84px 0;
}

.hero {
    padding: 118px 0 98px;
    position: relative;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 22px 0 0;
    background: linear-gradient(135deg, #0f2142 0%, #1b3762 58%, #1d5260 100%);
    border-radius: 0 0 34px 34px;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 22px 0 0;
    border-radius: 0 0 34px 34px;
    background-image: radial-gradient(circle at 14% 18%, rgba(255, 255, 255, 0.13) 0, rgba(255, 255, 255, 0) 36%), radial-gradient(circle at 84% 82%, rgba(226, 149, 47, 0.14) 0, rgba(226, 149, 47, 0) 36%);
    pointer-events: none;
}

.hero-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: 1.1fr 0.9fr;
    position: relative;
    z-index: 1;
}

.hero-copy {
    padding: 2.2rem;
    border: 1px solid rgba(222, 236, 255, 0.32);
    border-radius: calc(var(--radius) + 6px);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    box-shadow: var(--shadow);
    backdrop-filter: blur(8px);
}

.eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--brand);
    margin-bottom: 0.75rem;
}

.hero .eyebrow {
    color: #8fe4db;
}

h1,
h2,
h3 {
    font-family: "Sora", sans-serif;
    line-height: 1.28;
}

h1 {
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    margin-bottom: 1rem;
    color: #ffffff;
}

h2 {
    font-size: clamp(1.45rem, 2.4vw, 2rem);
    margin-bottom: 0.95rem;
}

.hero-subtitle {
    color: rgba(236, 245, 255, 0.92);
    margin-bottom: 1.4rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-bottom: 1.2rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    border: 1px solid transparent;
    text-decoration: none;
    font-weight: 700;
    padding: 0.72rem 1.2rem;
}

.btn-primary {
    background: linear-gradient(120deg, var(--brand) 0%, #1ea59f 100%);
    color: #fff;
    box-shadow: 0 16px 28px -18px rgba(10, 102, 108, 0.8);
}

.btn-primary:hover {
    background: linear-gradient(120deg, var(--brand-strong) 0%, #178f8a 100%);
}

.btn-secondary {
    border-color: rgba(255, 255, 255, 0.5);
    color: #eef5ff;
    background: rgba(255, 255, 255, 0.08);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.16);
}

.hero-points {
    list-style: none;
    display: grid;
    gap: 0.45rem;
    color: rgba(233, 244, 255, 0.88);
    font-size: 0.95rem;
}

.hero-points li::before {
    content: "• ";
    color: var(--accent);
    font-weight: 700;
}

.hero-panel {
    display: grid;
    gap: 0.9rem;
}

.metric-card {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(247, 251, 255, 0.92) 100%);
    border: 1px solid rgba(214, 228, 244, 0.9);
    border-radius: var(--radius);
    padding: 1.1rem 1.2rem;
    box-shadow: var(--shadow-soft);
}

.metric-label {
    color: var(--muted);
    font-size: 0.92rem;
}

.metric-value {
    font-size: 2rem;
    font-family: "Sora", sans-serif;
    font-weight: 800;
    color: var(--brand);
    margin-top: 0.25rem;
}

.metric-unit {
    color: var(--muted);
    font-size: 0.9rem;
}

.section-wrap,
.section-head,
.service-card,
.coverage-item,
.process-list li,
.contact-main,
.contact-card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--panel);
    box-shadow: var(--shadow-soft);
}

.about,
.services,
.advantages,
.process {
    position: relative;
}

.about::before,
.services::before,
.advantages::before,
.process::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 8px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(13, 126, 132, 0.22), transparent);
}

.section-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    padding: 1.5rem;
}

.section-wrap p {
    color: var(--muted);
    margin-bottom: 0.85rem;
}

.about-badges {
    display: grid;
    gap: 0.8rem;
}

.about-badges article {
    padding: 1rem;
    background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
    border-radius: 12px;
    border: 1px solid var(--line);
}

.about-badges h3 {
    margin-bottom: 0.35rem;
    font-size: 1rem;
}

.about-badges p {
    margin: 0;
    color: var(--muted);
    font-size: 0.95rem;
}

.section-head {
    padding: 1.2rem 1.3rem;
    margin-bottom: 1.25rem;
    border-top: 4px solid rgba(13, 126, 132, 0.28);
}

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

.service-grid,
.coverage-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.service-card,
.coverage-item {
    padding: 1.15rem;
    position: relative;
    overflow: hidden;
}

.service-card::before,
.coverage-item::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--brand) 0%, var(--accent) 100%);
    opacity: 0;
    transition: opacity 0.25s ease;
}

.service-card:hover,
.coverage-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 22px 32px -24px rgba(13, 30, 58, 0.62);
}

.service-card:hover::before,
.coverage-item:hover::before {
    opacity: 1;
}

.service-card h3,
.coverage-item h3 {
    font-size: 1.02rem;
    margin-bottom: 0.6rem;
}

.service-card ul {
    padding-left: 1rem;
    color: var(--muted);
    display: grid;
    gap: 0.45rem;
    font-size: 0.94rem;
}

.coverage-item p {
    color: var(--muted);
    font-size: 0.95rem;
}

.process-list {
    list-style: none;
    display: grid;
    gap: 0.8rem;
}

.process-list li {
    padding: 1rem 1.1rem;
    color: var(--muted);
}

.process-list strong {
    color: var(--ink);
}

.contact {
    background: linear-gradient(135deg, #172d56 0%, #224373 58%, #1f5e68 100%);
    padding-bottom: 84px;
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 18% 20%, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0) 35%);
}

.contact .container {
    position: relative;
    z-index: 1;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.12fr 0.88fr;
    gap: 1.2rem;
}

.contact-main,
.contact-card {
    padding: 1.45rem;
    border-color: rgba(230, 240, 255, 0.72);
}

.contact-main > p {
    color: var(--muted);
}

.contact-main h2 {
    margin-bottom: 0.7rem;
    color: var(--ink);
}

.contact .eyebrow {
    color: var(--brand);
}

.contact-actions {
    margin-top: 1rem;
    display: grid;
    gap: 0.8rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.contact-link {
    text-decoration: none;
    color: inherit;
    border: 1px solid #d3e1f1;
    border-radius: 12px;
    padding: 0.95rem;
    background: linear-gradient(180deg, #ffffff 0%, #f9fcff 100%);
    box-shadow: 0 14px 24px -20px rgba(19, 33, 58, 0.55);
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-link span {
    display: block;
    font-size: 0.8rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--muted);
}

.contact-link strong {
    margin-top: 0.25rem;
    display: block;
    font-size: 1.05rem;
    line-height: 1.35;
    color: var(--ink);
    word-break: break-word;
}

.contact-link:hover {
    border-color: rgba(0, 109, 119, 0.45);
    transform: translateY(-2px);
    box-shadow: 0 20px 30px -24px rgba(19, 33, 58, 0.8);
}

.contact-card h3 {
    margin-bottom: 0.9rem;
    color: var(--ink);
}

.contact-card p {
    margin-bottom: 0.65rem;
    color: var(--muted);
    background: #f8fbff;
    border: 1px solid #d9e5f4;
    border-radius: 10px;
    padding: 0.72rem 0.8rem;
}

.contact-card p:last-child {
    margin-bottom: 0;
}

.site-footer {
    border-top: 1px solid rgba(178, 196, 220, 0.45);
    background: linear-gradient(180deg, #e9f0fa 0%, #e3ebf6 100%);
}

.footer-inner {
    min-height: 96px;
    display: grid;
    place-content: center;
    text-align: center;
    gap: 0.25rem;
    font-size: 0.82rem;
    line-height: 1.45;
    color: var(--muted);
}

.floating-cta {
    position: fixed;
    right: 20px;
    bottom: 20px;
    background: linear-gradient(135deg, #0f7f85 0%, #189a95 100%);
    color: #fff;
    text-decoration: none;
    min-width: 58px;
    height: 58px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 1rem;
    font-size: 0.95rem;
    font-weight: 700;
    box-shadow: var(--shadow);
    border: 1px solid rgba(210, 237, 238, 0.9);
    z-index: 1200;
}

.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.45s ease, transform 0.45s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: none;
}

@media (max-width: 980px) {
    .hero-grid,
    .section-wrap,
    .contact-grid {
        grid-template-columns: 1fr;
    }

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

    .brand-text {
        max-width: 180px;
        line-height: 1.2;
    }

    .hero::before,
    .hero::after {
        border-radius: 0 0 24px 24px;
    }
}

@media (max-width: 760px) {
    section {
        padding: 56px 0;
    }

    .services {
        padding-bottom: 34px;
    }

    .advantages {
        padding-top: 34px;
    }

    .section-head {
        margin-bottom: 0.9rem;
    }

    .nav-inner {
        min-height: 72px;
    }

    .hero {
        padding: 82px 0 64px;
    }

    .hero::before,
    .hero::after {
        inset: 0;
        border-radius: 0 0 18px 18px;
    }

    .hero-grid {
        gap: 1.1rem;
    }

    .hero-copy {
        padding: 1.4rem;
    }

    .footer-inner {
        min-height: 84px;
        font-size: 0.74rem;
        gap: 0.18rem;
    }

    .hero-panel {
        gap: 0.7rem;
    }

    .hamburger {
        display: inline-block;
    }

    .nav-menu {
        position: absolute;
        top: 72px;
        left: 4vw;
        right: 4vw;
        padding: 0.8rem;
        border-radius: 12px;
        border: 1px solid var(--line);
        background: #fff;
        display: none;
        flex-direction: column;
        gap: 0.4rem;
        box-shadow: var(--shadow);
    }

    .nav-menu a {
        width: 100%;
        padding: 0.78rem 0.85rem;
        border-radius: 8px;
    }

    .nav-menu a:hover {
        background: #f4f8ff;
    }

    .nav-menu.active {
        display: flex;
    }

    .service-grid,
    .coverage-grid {
        grid-template-columns: 1fr;
    }

    .contact {
        padding-bottom: 56px;
    }

    .floating-cta {
        right: 14px;
        bottom: 14px;
        height: 52px;
        min-width: 52px;
        font-size: 0.88rem;
        padding: 0 0.88rem;
    }

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

    .contact-link strong {
        font-size: 0.96rem;
    }

    .hero-copy,
    .metric-card,
    .section-wrap,
    .section-head,
    .service-card,
    .coverage-item,
    .process-list li,
    .contact-main,
    .contact-card {
        border-radius: 12px;
    }
}

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

    * {
        transition: none !important;
        animation: none !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}