/* OEM / ODM Customization Services Page */

/* ---------- Banner ---------- */
.oem-banner {
    position: relative;
    padding: 140px 0 120px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--brand-ink-950) 0%, var(--brand-ink-900) 100%);
}

.oem-banner__bg {
    position: absolute;
    inset: 0;
    background-image: url('../images/banner_bg.jpg');
    background-size: cover;
    background-position: center;
    opacity: .08;
}

.oem-banner__inner {
    position: relative;
    max-width: 860px;
    margin: 0 auto;
    text-align: center;
}

.oem-banner__eyebrow {
    margin: 0 0 20px;
    color: var(--brand-signal);
    font-family: var(--brand-mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .15em;
    text-transform: uppercase;
}

.oem-banner__title {
    margin: 0 0 28px;
    color: var(--brand-paper);
    font-size: clamp(38px, 5.5vw, 62px);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -.02em;
}

.oem-banner__desc {
    margin: 0 0 48px;
    color: rgba(247, 249, 247, .85);
    font-size: 17.5px;
    line-height: 1.7;
}

.oem-banner__stats {
    display: flex;
    justify-content: center;
    gap: 64px;
    margin: 0 0 44px;
    padding: 32px 0;
    border-top: 1px solid rgba(247, 249, 247, .12);
    border-bottom: 1px solid rgba(247, 249, 247, .12);
}

.oem-stat {
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-align: center;
}

.oem-stat__value {
    display: block;
    color: var(--brand-signal);
    font-size: 32px;
    font-weight: 700;
    line-height: 1;
}

.oem-stat__label {
    color: rgba(247, 249, 247, .7);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: .05em;
}

.oem-banner__cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 40px;
    border: none;
    border-radius: 2px;
    background: var(--brand-signal-strong);
    color: var(--brand-ink-950);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: .02em;
    text-decoration: none;
    text-transform: uppercase;
    transition: background var(--brand-motion), transform var(--brand-motion);
}

.oem-banner__cta:hover {
    background: var(--brand-signal);
    transform: translateY(-2px);
}

/* ---------- Section Header ---------- */
.oem-section-header {
    margin: 0 0 64px;
    text-align: center;
}

.oem-section-header__title {
    margin: 0 0 16px;
    font-size: clamp(30px, 4.2vw, 42px);
    line-height: 1.22;
    letter-spacing: -.01em;
}

.oem-section-header__desc {
    margin: 0;
    color: var(--brand-ink-600);
    font-size: 16.5px;
    line-height: 1.6;
}

/* ---------- Customization Options ---------- */
.oem-options {
    padding: 100px 0;
    background: var(--brand-paper);
}

.oem-options__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.oem-option {
    padding: 40px 32px;
    border: 1px solid var(--brand-line);
    border-radius: var(--brand-radius-lg);
    background: var(--brand-surface);
    transition: border-color var(--brand-motion), box-shadow var(--brand-motion);
}

.oem-option:hover {
    border-color: var(--brand-signal-soft);
    box-shadow: var(--brand-shadow-md);
}

.oem-option__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin: 0 0 24px;
    border-radius: 8px;
    background: var(--brand-surface-soft);
    color: var(--brand-ink-700);
}

.oem-option__title {
    margin: 0 0 16px;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -.01em;
}

.oem-option__list {
    margin: 0;
    padding: 0 0 0 20px;
    list-style: none;
}

.oem-option__list li {
    position: relative;
    margin: 0 0 10px;
    padding-left: 12px;
    color: var(--brand-ink-600);
    font-size: 14.5px;
    line-height: 1.6;
}

.oem-option__list li:before {
    content: '—';
    position: absolute;
    left: -8px;
    color: var(--brand-signal-strong);
}

/* ---------- Service Models (OEM vs ODM) ---------- */
.oem-models {
    padding: 100px 0;
    background: var(--brand-surface);
}

.oem-models__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(440px, 1fr));
    gap: 40px;
}

.oem-model {
    position: relative;
    padding: 48px 40px;
    border: 2px solid var(--brand-line);
    border-radius: var(--brand-radius-lg);
    background: var(--brand-paper);
    transition: border-color var(--brand-motion), box-shadow var(--brand-motion);
}

.oem-model:hover {
    border-color: var(--brand-line-strong);
    box-shadow: var(--brand-shadow-lg);
}

.oem-model--featured {
    border-color: var(--brand-signal-soft);
    background: linear-gradient(to bottom, var(--brand-paper) 0%, rgba(183, 243, 74, .02) 100%);
}

.oem-model__badge {
    display: inline-block;
    margin: 0 0 20px;
    padding: 6px 14px;
    border-radius: 4px;
    background: var(--brand-ink-100);
    color: var(--brand-ink-700);
    font-family: var(--brand-mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.oem-model__badge--odm {
    background: var(--brand-signal-soft);
    color: var(--brand-ink-950);
}

.oem-model__title {
    margin: 0 0 12px;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -.01em;
}

.oem-model__subtitle {
    margin: 0 0 24px;
    color: var(--brand-ink-600);
    font-size: 15px;
    font-style: italic;
}

.oem-model__desc {
    margin: 0 0 32px;
    color: var(--brand-ink-700);
    font-size: 15.5px;
    line-height: 1.7;
}

.oem-model__features-title {
    margin: 0 0 16px;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
}

.oem-model__list {
    margin: 0 0 28px;
    padding: 0 0 0 24px;
    list-style: none;
}

.oem-model__list li {
    position: relative;
    margin: 0 0 12px;
    padding-left: 8px;
    color: var(--brand-ink-600);
    font-size: 14.5px;
    line-height: 1.6;
}

.oem-model__list li:before {
    content: '✓';
    position: absolute;
    left: -16px;
    color: var(--brand-signal-strong);
    font-weight: 700;
}

.oem-model__timeline {
    padding: 16px 20px;
    border-radius: 6px;
    background: var(--brand-surface-soft);
    color: var(--brand-ink-700);
    font-size: 14px;
}

.oem-model__timeline strong {
    color: var(--brand-ink-950);
}

/* ---------- Timeline ---------- */
.oem-timeline {
    padding: 100px 0;
    background: var(--brand-paper);
}

.oem-timeline__track {
    display: flex;
    flex-direction: column;
    gap: 0;
    max-width: 900px;
    margin: 0 auto;
}

.oem-timeline__step {
    position: relative;
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 32px;
    padding: 0 0 48px;
}

.oem-timeline__step:not(:last-child):after {
    content: '';
    position: absolute;
    top: 52px;
    left: 39px;
    width: 2px;
    height: calc(100% - 52px);
    background: linear-gradient(to bottom, var(--brand-line-strong), var(--brand-line));
}

.oem-timeline__marker {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border: 3px solid var(--brand-signal-strong);
    border-radius: 50%;
    background: var(--brand-paper);
    color: var(--brand-ink-950);
    font-family: var(--brand-mono);
    font-size: 24px;
    font-weight: 700;
    z-index: 1;
}

.oem-timeline__content {
    padding-top: 8px;
}

.oem-timeline__title {
    margin: 0 0 12px;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -.01em;
}

.oem-timeline__desc {
    margin: 0 0 16px;
    color: var(--brand-ink-600);
    font-size: 15px;
    line-height: 1.7;
}

.oem-timeline__duration {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 4px;
    background: var(--brand-surface-soft);
    color: var(--brand-ink-700);
    font-family: var(--brand-mono);
    font-size: 12px;
    font-weight: 600;
}

/* ---------- Use Cases ---------- */
.oem-cases {
    padding: 100px 0;
    background: var(--brand-surface);
}

.oem-cases__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.oem-case {
    padding: 36px 32px;
    border: 1px solid var(--brand-line);
    border-radius: var(--brand-radius-lg);
    background: var(--brand-paper);
    transition: border-color var(--brand-motion), transform var(--brand-motion);
}

.oem-case:hover {
    border-color: var(--brand-line-strong);
    transform: translateY(-4px);
}

.oem-case__icon {
    margin: 0 0 20px;
    font-size: 40px;
    line-height: 1;
}

.oem-case__title {
    margin: 0 0 14px;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -.01em;
}

.oem-case__desc {
    margin: 0 0 20px;
    color: var(--brand-ink-600);
    font-size: 14.5px;
    line-height: 1.7;
}

.oem-case__example {
    padding: 14px 18px;
    border-left: 3px solid var(--brand-signal-soft);
    background: var(--brand-surface-soft);
    font-size: 13.5px;
    line-height: 1.6;
}

.oem-case__example strong {
    display: block;
    margin: 0 0 6px;
    color: var(--brand-ink-950);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .05em;
}

/* ---------- Contact Form ---------- */
.oem-contact {
    padding: 100px 0 120px;
    background: var(--brand-paper);
}

.oem-contact__layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: stretch;
}

.oem-contact__title {
    margin: 0 0 20px;
    font-size: clamp(28px, 3.8vw, 38px);
    line-height: 1.28;
    letter-spacing: -.01em;
}

.oem-contact__desc {
    margin: 0 0 36px;
    color: var(--brand-ink-600);
    font-size: 16px;
    line-height: 1.7;
}

.oem-contact__highlights {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 0 0 40px;
    padding: 28px 24px;
    border-radius: var(--brand-radius-lg);
    background: var(--brand-surface);
}

.oem-contact__highlight {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14.5px;
    line-height: 1.5;
}

.oem-contact__highlight strong {
    color: var(--brand-signal-strong);
    font-size: 18px;
}

.oem-contact__direct {
    padding: 24px;
    border: 1px solid var(--brand-line);
    border-radius: var(--brand-radius-lg);
    background: var(--brand-surface);
}

.oem-contact__direct p {
    margin: 0 0 12px;
    font-size: 14.5px;
    line-height: 1.6;
}

.oem-contact__direct p:last-child {
    margin: 0;
}

.oem-contact__direct a {
    color: var(--brand-signal-strong);
    text-decoration: none;
    font-weight: 600;
}

.oem-contact__direct a:hover {
    text-decoration: underline;
}

.oem-contact__form {
    padding: 52px 48px;
    border: none;
    border-radius: 16px;
    background: #ffffff;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
}

/* Contact Form 7 美化样式 */
.oem-contact__form .wpcf7-form p {
    margin: 0 0 22px;
}

.oem-contact__form .wpcf7-form p:last-of-type {
    margin: 28px 0 0;
}

.oem-contact__form label {
    display: block;
    margin: 0 0 8px;
    font-size: 14px;
    font-weight: 600;
    color: #1a1a1a;
    letter-spacing: -.01em;
}

.oem-contact__form .wpcf7-form-control-wrap {
    display: block;
}

.oem-contact__form input[type="text"],
.oem-contact__form input[type="email"],
.oem-contact__form input[type="tel"],
.oem-contact__form input[type="url"],
.oem-contact__form textarea,
.oem-contact__form select {
    width: 100%;
    padding: 13px 16px;
    border: 1.5px solid #e5e5e5;
    border-radius: 8px;
    background: #ffffff;
    font-size: 15px;
    line-height: 1.5;
    color: #1a1a1a;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    font-family: inherit;
    box-sizing: border-box;
}

.oem-contact__form input[type="text"]:hover,
.oem-contact__form input[type="email"]:hover,
.oem-contact__form input[type="tel"]:hover,
.oem-contact__form input[type="url"]:hover,
.oem-contact__form textarea:hover,
.oem-contact__form select:hover {
    border-color: #c4c4c4;
}

.oem-contact__form input[type="text"]:focus,
.oem-contact__form input[type="email"]:focus,
.oem-contact__form input[type="tel"]:focus,
.oem-contact__form input[type="url"]:focus,
.oem-contact__form textarea:focus,
.oem-contact__form select:focus {
    outline: none;
    border-color: #facc15;
    box-shadow: 0 0 0 3px rgba(250, 204, 21, 0.08);
}

.oem-contact__form input::placeholder,
.oem-contact__form textarea::placeholder {
    color: #a3a3a3;
}

.oem-contact__form textarea {
    min-height: 150px;
    resize: vertical;
    line-height: 1.6;
}

.oem-contact__form .wpcf7-submit {
    display: inline-block;
    padding: 15px 44px;
    border: none;
    border-radius: 8px;
    background: var(--brand-accent-500);
    color: #1a1a1a;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s ease;
    letter-spacing: -.01em;
}

.oem-contact__form .wpcf7-submit:hover {
    background: var(--brand-accent-600);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(250, 204, 21, 0.3);
}

.oem-contact__form .wpcf7-submit:active {
    transform: translateY(0);
}

.oem-contact__form .wpcf7-not-valid-tip {
    display: block;
    margin: 6px 0 0;
    font-size: 13px;
    color: #dc2626;
    font-weight: 500;
}

.oem-contact__form .wpcf7-response-output {
    margin: 24px 0 0;
    padding: 14px 18px;
    border-radius: 8px;
    font-size: 14px;
    line-height: 1.6;
    font-weight: 500;
}

.oem-contact__form .wpcf7-validation-errors {
    border: 1.5px solid #fca5a5;
    background: #fef2f2;
    color: #dc2626;
}

.oem-contact__form .wpcf7-mail-sent-ok {
    border: 1.5px solid #86efac;
    background: #f0fdf4;
    color: #16a34a;
}

.oem-contact__form .wpcf7-spinner {
    margin: 0 0 0 12px;
}

.oem-contact__form .wpcf7-form.submitting .wpcf7-submit {
    opacity: 0.6;
    cursor: wait;
    pointer-events: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .oem-banner__stats {
        gap: 48px;
    }

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

    .oem-contact__layout {
        grid-template-columns: minmax(0, 1fr);
        gap: 56px;
    }
}

@media (max-width: 768px) {
    .oem-banner {
        padding: 100px 0 80px;
    }

    .oem-banner__stats {
        flex-direction: column;
        gap: 28px;
    }

    .oem-options,
    .oem-models,
    .oem-timeline,
    .oem-cases,
    .oem-contact {
        padding: 72px 0;
    }

    .oem-section-header {
        margin: 0 0 48px;
    }

    .oem-options__grid,
    .oem-cases__grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 24px;
    }

    .oem-timeline__step {
        grid-template-columns: 60px 1fr;
        gap: 20px;
        padding-bottom: 36px;
    }

    .oem-timeline__step:not(:last-child):after {
        top: 42px;
        left: 29px;
        height: calc(100% - 42px);
    }

    .oem-timeline__marker {
        width: 60px;
        height: 60px;
        font-size: 20px;
    }

    .oem-contact__form {
        padding: 32px 28px;
    }
}