/* Standalone English landing page */

:root {
    --en-navy: #082a5a;
    --en-blue: #0b63c7;
    --en-blue-dark: #063b77;
    --en-blue-light: #3aa7e8;
    --en-text: #12233f;
    --en-muted: #4f6478;
    --en-line: #dbeaf7;
    --en-white: #ffffff;
    --en-shadow: 0 12px 34px rgba(8, 42, 90, 0.08);
    --en-heading-font: "Times New Roman", "Source Han Serif SC", "STSong", "SimSun", "Songti SC", serif;
    --en-body-font: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", sans-serif;
    --en-header-height: 76px;
    --en-topbar-height: 38px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--en-header-height) + var(--en-topbar-height) + 12px);
}

body.en-landing {
    margin: 0;
    font-family: var(--en-body-font);
    font-size: 16px;
    color: var(--en-text);
    background: var(--en-white);
    line-height: 1.68;
    -webkit-font-smoothing: antialiased;
}

.en-landing a:not(.en-btn) {
    color: inherit;
    text-decoration: none;
}

.en-landing a.en-btn {
    text-decoration: none;
}

.en-landing img {
    max-width: 100%;
    height: auto;
    display: block;
}

.en-landing h1,
.en-landing h2,
.en-landing h3 {
    font-family: var(--en-heading-font);
    font-weight: 700;
    color: #0b376f;
}

.en-wrap {
    width: min(1180px, calc(100% - 48px));
    margin: 0 auto;
}

.en-topbar {
    background: #061d42;
    color: rgba(255, 255, 255, 0.9);
    font-size: 13px;
}

.en-topbar__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    min-height: var(--en-topbar-height);
    padding: 8px 0;
}

.en-topbar__inner > span:first-child {
    line-height: 1.5;
}

.en-topbar__links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 20px;
    flex-shrink: 0;
}

.en-topbar__links a {
    color: #fff;
    font-weight: 600;
    white-space: nowrap;
}

.en-topbar__links a:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.en-header {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: #fff;
    border-bottom: 1px solid var(--en-line);
    box-shadow: 0 4px 18px rgba(8, 42, 90, 0.04);
}

.en-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: var(--en-header-height);
}

.en-brand {
    flex-shrink: 0;
}

.en-brand__logo {
    width: auto;
    max-height: 52px;
}

.en-nav {
    display: flex;
    align-items: center;
    gap: 22px;
    font-size: 15px;
    font-weight: 600;
    color: #334155;
}

.en-nav > a:not(.en-nav__cta):hover {
    color: var(--en-blue);
}

.en-nav__cta {
    padding: 10px 18px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--en-blue-dark), var(--en-blue));
    color: #fff !important;
    box-shadow: 0 10px 22px rgba(11, 99, 199, 0.22);
    white-space: nowrap;
}

.en-nav__cta:hover {
    filter: brightness(1.06);
    box-shadow: 0 12px 26px rgba(11, 99, 199, 0.28);
}

.en-nav__lang-group {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-left: 4px;
}

.en-nav__lang {
    color: var(--en-blue);
    font-weight: 800;
}

.en-nav__lang--active {
    color: #94a3b8;
    font-weight: 700;
}

.en-nav__lang-divider {
    color: #cbd5e1;
}

.en-menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--en-line);
    border-radius: 12px;
    background: #fff;
    cursor: pointer;
    flex-shrink: 0;
}

.en-menu-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    margin: 4px auto;
    background: #0b376f;
}

.en-hero {
    background:
        radial-gradient(circle at 82% 20%, rgba(58, 167, 232, 0.28), transparent 28%),
        linear-gradient(135deg, #062b5f 0%, #0b3f84 48%, #1768c6 100%);
    color: #fff;
}

.en-hero__grid {
    display: grid;
    grid-template-columns: 1.12fr 0.88fr;
    gap: 40px;
    align-items: center;
    padding: 72px 0 68px;
}

.en-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 7px 13px;
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.en-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #32c5ff;
    box-shadow: 0 0 0 6px rgba(50, 197, 255, 0.16);
    flex-shrink: 0;
}

.en-hero h1 {
    margin: 22px 0 18px;
    font-size: clamp(34px, 4.6vw, 54px);
    line-height: 1.12;
    letter-spacing: -0.02em;
    color: #fff;
    max-width: 720px;
}

.en-hero__lead {
    max-width: 680px;
    color: rgba(255, 255, 255, 0.94);
    font-size: 18px;
    line-height: 1.78;
    margin: 0 0 28px;
}

.en-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.en-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 22px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 15px;
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

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

.en-btn--primary {
    background: #fff;
    color: #063b77 !important;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
}

.en-btn--primary:hover {
    color: #063b77 !important;
    box-shadow: 0 14px 32px rgba(0, 0, 0, 0.22);
}

.en-btn--blue {
    background: linear-gradient(135deg, var(--en-blue-dark), var(--en-blue));
    color: #fff !important;
    box-shadow: 0 10px 22px rgba(11, 99, 199, 0.22);
}

.en-btn--blue:hover {
    color: #fff !important;
    filter: brightness(1.05);
}

.en-btn--ghost {
    border: 1px solid rgba(255, 255, 255, 0.42);
    color: #fff !important;
    background: rgba(255, 255, 255, 0.1);
}

.en-btn--ghost:hover {
    color: #fff !important;
    background: rgba(255, 255, 255, 0.16);
}

.en-btn--light {
    background: #fff;
    color: #0b63c7 !important;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.en-btn--light:hover {
    color: #0b63c7 !important;
}

.en-btn--ghost-light {
    border: 1px solid rgba(255, 255, 255, 0.42);
    color: #fff !important;
    background: rgba(255, 255, 255, 0.1);
}

.en-btn--ghost-light:hover {
    color: #fff !important;
    background: rgba(255, 255, 255, 0.16);
}

.en-hero-card {
    background: #fff;
    color: var(--en-text);
    border-radius: 28px;
    padding: 30px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.22);
}

.en-hero-card h2 {
    margin: 0 0 16px;
    font-size: 22px;
    line-height: 1.35;
    color: #0b376f;
}

.en-check-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 14px;
}

.en-check-list li {
    position: relative;
    padding-left: 32px;
    color: #3d5166;
    font-size: 15px;
    line-height: 1.72;
}

.en-check-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 3px;
    width: 22px;
    height: 22px;
    border-radius: 8px;
    background: #eef7ff;
    color: var(--en-blue);
    font-weight: 900;
    font-size: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.en-section {
    padding: 72px 0;
}

.en-section--alt {
    background: linear-gradient(180deg, #f8fcff, #fff);
}

.en-section-head {
    max-width: 820px;
    margin-bottom: 36px;
}

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

.en-kicker {
    display: inline-block;
    color: var(--en-blue);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.en-section-head h2 {
    margin: 0;
    font-size: clamp(28px, 3.2vw, 38px);
    line-height: 1.22;
    letter-spacing: -0.02em;
}

.en-section-head p {
    color: var(--en-muted);
    margin: 14px auto 0;
    font-size: 17px;
    line-height: 1.82;
    max-width: 760px;
}

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

.en-card {
    background: #fff;
    border: 1px solid var(--en-line);
    border-radius: 24px;
    padding: 26px 22px;
    box-shadow: var(--en-shadow);
    position: relative;
    overflow: hidden;
    height: 100%;
}

.en-card::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--en-blue-dark), var(--en-blue-light));
}

.en-card__icon {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    background: #eef7ff;
    display: grid;
    place-items: center;
    font-size: 22px;
    margin-bottom: 14px;
}

.en-card h3 {
    margin: 0 0 10px;
    font-size: 18px;
    line-height: 1.35;
}

.en-card p {
    margin: 0;
    color: var(--en-muted);
    font-size: 15px;
    line-height: 1.75;
}

.en-service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.en-service-card {
    background: #fff;
    border: 1px solid var(--en-line);
    border-radius: 26px;
    padding: 28px 26px;
    box-shadow: var(--en-shadow);
    height: 100%;
}

.en-service-card h3 {
    margin: 0 0 12px;
    font-size: 20px;
    line-height: 1.32;
}

.en-service-card p {
    color: var(--en-muted);
    margin: 0 0 16px;
    font-size: 16px;
    line-height: 1.75;
}

.en-service-card ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 10px;
    color: #3d5166;
    font-size: 15px;
    line-height: 1.65;
}

.en-service-card li {
    position: relative;
    padding-left: 18px;
}

.en-service-card li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.62em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--en-blue);
}

.en-process-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    border: 1px solid var(--en-line);
    border-radius: 30px;
    background: #fff;
    box-shadow: 0 16px 44px rgba(8, 42, 90, 0.07);
    overflow: hidden;
    position: relative;
}

.en-process-grid::before {
    content: "";
    position: absolute;
    top: 46px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, #dbeaf7, var(--en-blue-light), #dbeaf7);
    z-index: 0;
}

.en-step {
    padding: 28px 20px 30px;
    min-height: 180px;
    border-right: 1px solid #edf4fb;
    position: relative;
    z-index: 1;
}

.en-step:last-child {
    border-right: 0;
}

.en-step__num {
    display: inline-flex;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--en-blue-dark), var(--en-blue));
    color: #fff;
    font-weight: 900;
    font-size: 15px;
    margin-bottom: 14px;
    box-shadow: 0 8px 18px rgba(11, 99, 199, 0.25);
}

.en-step h3 {
    margin: 0 0 10px;
    font-size: 17px;
    line-height: 1.35;
}

.en-step p {
    margin: 0;
    color: var(--en-muted);
    font-size: 15px;
    line-height: 1.72;
}

.en-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    padding: 36px;
    border-radius: 28px;
    background: linear-gradient(135deg, var(--en-blue-dark), var(--en-blue) 55%, var(--en-blue-light));
    color: #fff;
    box-shadow: 0 20px 56px rgba(8, 55, 116, 0.22);
}

.en-stats > div {
    text-align: center;
}

.en-stats strong {
    display: block;
    font-family: var(--en-heading-font);
    font-size: clamp(32px, 4vw, 40px);
    line-height: 1;
    margin-bottom: 10px;
    letter-spacing: -0.03em;
    color: #fff;
}

.en-stats span {
    display: block;
    color: rgba(255, 255, 255, 0.9);
    font-size: 15px;
    line-height: 1.6;
}

.en-workinchina {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    align-items: stretch;
    padding: 36px;
    border-radius: 28px;
    background: radial-gradient(circle at 15% 20%, rgba(58, 167, 232, 0.12), transparent 28%), #fff;
    border: 1px solid var(--en-line);
    box-shadow: var(--en-shadow);
}

.en-workinchina__copy h2 {
    margin: 0 0 14px;
    font-size: clamp(26px, 3vw, 34px);
    line-height: 1.25;
}

.en-workinchina__copy p {
    color: var(--en-muted);
    margin: 0 0 16px;
    font-size: 16px;
    line-height: 1.82;
}

.en-workinchina__panel {
    border-radius: 22px;
    background: linear-gradient(135deg, var(--en-navy), var(--en-blue));
    padding: 28px;
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 280px;
    position: relative;
    overflow: hidden;
}

.en-workinchina__panel::after {
    content: "Work\A in China";
    white-space: pre;
    position: absolute;
    right: -8px;
    bottom: -20px;
    font-family: var(--en-heading-font);
    font-size: clamp(48px, 8vw, 74px);
    line-height: 0.86;
    font-weight: 900;
    letter-spacing: -0.08em;
    color: rgba(255, 255, 255, 0.08);
    pointer-events: none;
}

.en-workinchina__panel h3,
.en-workinchina__panel p,
.en-workinchina__panel .en-btn {
    position: relative;
    z-index: 1;
}

.en-workinchina__panel h3 {
    margin: 0;
    font-size: 30px;
    color: #fff;
}

.en-workinchina__panel p {
    color: rgba(255, 255, 255, 0.88);
    margin: 14px 0 0;
    font-size: 16px;
    line-height: 1.75;
}

.en-contact {
    background: linear-gradient(135deg, #061d42, #0b3f84);
    color: #fff;
    padding: 56px 0;
}

.en-contact__inner {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 28px;
    align-items: center;
}

.en-contact h2 {
    color: #fff;
    margin: 0 0 12px;
    font-size: clamp(26px, 3vw, 32px);
    line-height: 1.25;
}

.en-contact p {
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    max-width: 720px;
    font-size: 16px;
    line-height: 1.8;
}

.en-contact__actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.en-footer {
    background: #06172f;
    color: rgba(255, 255, 255, 0.82);
    padding: 36px 0;
    font-size: 14px;
    line-height: 1.7;
}

.en-footer__grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 24px;
    align-items: start;
}

.en-footer__title {
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}

.en-footer p {
    margin: 0 0 8px;
}

.en-footer a {
    color: #fff;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.en-footer a:hover {
    color: #dbeafe;
}

.en-footer__links {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.en-footer__links a {
    text-decoration: none;
    font-weight: 600;
}

.en-footer__links a:hover {
    text-decoration: underline;
}

@media (max-width: 1100px) {
    .en-nav {
        gap: 16px;
        font-size: 14px;
    }

    .en-brand__logo {
        max-height: 44px;
    }

    .en-process-grid::before {
        display: none;
    }
}

@media (max-width: 980px) {
    :root {
        --en-header-height: 64px;
    }

    .en-hero__grid,
    .en-workinchina,
    .en-contact__inner,
    .en-footer__grid {
        grid-template-columns: 1fr;
    }

    .en-audience-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .en-process-grid {
        grid-template-columns: 1fr;
        border-radius: 24px;
    }

    .en-process-grid .en-step {
        border-right: 0;
        border-bottom: 1px solid #edf4fb;
        min-height: 0;
        padding: 24px 22px;
    }

    .en-process-grid .en-step:last-child {
        border-bottom: 0;
    }

    .en-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        padding: 28px 24px;
    }

    .en-menu-toggle {
        display: block;
    }

    .en-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 12px 24px 20px;
        background: #fff;
        border-bottom: 1px solid var(--en-line);
        box-shadow: 0 12px 28px rgba(8, 42, 90, 0.08);
    }

    .en-nav.is-open {
        display: flex;
    }

    .en-nav > a,
    .en-nav__lang-group {
        padding: 12px 0;
        border-bottom: 1px solid #edf4fb;
    }

    .en-nav__cta {
        text-align: center;
        margin-top: 4px;
    }

    .en-nav__lang-group {
        justify-content: flex-start;
        margin-left: 0;
    }

    .en-header__inner {
        position: relative;
    }

    .en-hero__actions,
    .en-contact__actions {
        width: 100%;
    }

    .en-hero__actions .en-btn,
    .en-contact__actions .en-btn {
        flex: 1 1 auto;
        min-width: min(100%, 260px);
    }

    .en-contact__actions,
    .en-footer__links {
        justify-content: flex-start;
    }

    .en-workinchina {
        padding: 28px;
    }
}

@media (max-width: 640px) {
    .en-wrap {
        width: min(100% - 28px, 1180px);
    }

    .en-topbar__inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .en-topbar__inner > span:first-child {
        font-size: 12px;
    }

    .en-hero__grid {
        padding: 48px 0;
        gap: 28px;
    }

    .en-hero-card {
        padding: 22px;
    }

    .en-audience-grid,
    .en-service-grid,
    .en-stats {
        grid-template-columns: 1fr;
    }

    .en-section {
        padding: 52px 0;
    }

    .en-workinchina {
        padding: 22px;
        gap: 20px;
    }

    .en-workinchina__panel {
        min-height: 220px;
    }

    .en-hero__actions .en-btn,
    .en-contact__actions .en-btn {
        width: 100%;
    }

    .en-brand__logo {
        max-height: 36px;
    }
}
