/* Contact page */
.contact-section { padding-top: 1.5rem; }

.contact-layout {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: 1fr;
    align-items: stretch;
}

.contact-panel {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.75rem;
    box-shadow: var(--shadow);
}

.contact-panel__head {
    margin-bottom: 1.5rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--line);
}

.contact-panel__company {
    margin: 0 0 0.5rem;
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.02em;
}

.contact-panel__lead {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.55;
}

.contact-methods {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.75rem;
}

.contact-method__link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--line);
    background: var(--bg-subtle);
    text-decoration: none;
    color: inherit;
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

a.contact-method__link:hover {
    border-color: var(--accent);
    background: var(--accent-soft);
    box-shadow: 0 2px 12px rgba(37, 99, 235, 0.08);
}

.contact-method--static .contact-method__link {
    cursor: default;
}

.contact-method__icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: #fff;
    border: 1px solid var(--line);
    font-size: 1.15rem;
}

.contact-method__body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.contact-method__label {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.contact-method__value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    font-style: normal;
    white-space: pre-line;
    word-break: break-word;
}

a.contact-method__link:hover .contact-method__value { color: var(--accent); }

.contact-method__arrow {
    flex-shrink: 0;
    color: var(--text-muted);
    font-size: 1.1rem;
    transition: transform 0.2s, color 0.2s;
}

a.contact-method__link:hover .contact-method__arrow {
    color: var(--accent);
    transform: translateX(3px);
}

.contact-method--static .contact-method__arrow { display: none; }

.contact-panel__actions {
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--line);
}

.contact-wechat__grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
}

@media (min-width: 520px) {
    .contact-wechat__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.contact-wechat__card {
    height: 100%;
    display: flex;
    flex-direction: column;
    background: linear-gradient(160deg, #eff6ff 0%, #ffffff 55%);
    border: 1px solid rgba(37, 99, 235, 0.15);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    text-align: center;
}

.contact-wechat__head {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.contact-wechat__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: #fff;
    border: 1px solid var(--line);
    font-size: 1.35rem;
    box-shadow: var(--shadow);
}

.contact-wechat__title {
    margin: 0 0 0.35rem;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text);
}

.contact-wechat__hint {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.5;
    max-width: 22rem;
}

.contact-wechat__figure {
    margin: 0;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-wechat__qr {
    display: block;
    width: min(200px, 72vw);
    height: auto;
    aspect-ratio: 1;
    object-fit: contain;
    border-radius: var(--radius-sm);
    border: 1px solid var(--line);
    background: #fff;
    padding: 8px;
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
}

@media (min-width: 768px) {
    .contact-layout {
        grid-template-columns: 1fr minmax(280px, 520px);
        gap: 2rem;
    }

    .contact-layout--solo {
        grid-template-columns: 1fr;
        max-width: 640px;
    }
}

@media (min-width: 900px) {
    .contact-layout {
        grid-template-columns: 1.15fr 0.85fr;
    }

    .contact-panel { padding: 2rem; }
    .contact-wechat__card { padding: 1.75rem; }
}

.inquiry-layout {
    display: grid;
    gap: 2rem;
    grid-template-columns: 1fr;
}

.inquiry-form {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.inquiry-form__honeypot { position: absolute; left: -9999px; }
.form-grid { display: grid; gap: 1rem; grid-template-columns: 1fr; margin-bottom: 1rem; }
.form-field { display: grid; gap: 0.4rem; margin-bottom: 1rem; }

.form-field label, .form-field legend {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text);
}

.form-field input, .form-field select, .form-field textarea {
    width: 100%;
    padding: 0.75rem 0.9rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--line);
    background: #fff;
    color: var(--text);
    font: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.req { color: #dc2626; }

/* 询盘 — 建站方案多选 */
.form-field--plans {
    margin-bottom: 1.25rem;
    padding: 1rem 1rem 1.1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: linear-gradient(180deg, #fafbfc 0%, #fff 100%);
}

.form-field--plans legend.plan-picker__legend {
    padding: 0;
    margin-bottom: 0.35rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text);
}

.plan-picker__hint {
    margin: 0 0 0.85rem;
    font-size: 0.8125rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.plan-picker {
    display: grid;
    gap: 0.75rem;
    grid-template-columns: 1fr;
}

.plan-card {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    min-width: 0;
}

.plan-card__select {
    display: block;
    cursor: pointer;
    margin: 0;
}

.plan-card__input {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.plan-card__box {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.9rem 1rem;
    border: 1.5px solid var(--line);
    border-radius: var(--radius-sm);
    background: #fff;
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

.plan-card__mark {
    flex-shrink: 0;
    display: grid;
    place-items: center;
    width: 1.25rem;
    height: 1.25rem;
    margin-top: 0.1rem;
    border: 1.5px solid var(--line-strong);
    border-radius: 4px;
    background: #fff;
    color: transparent;
    transition: border-color 0.2s, background 0.2s, color 0.2s;
}

.plan-card__check {
    display: block;
    width: 0.875rem;
    height: 0.875rem;
}

.plan-card__body {
    display: grid;
    gap: 0.25rem;
    min-width: 0;
}

.plan-card__title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text);
    line-height: 1.35;
}

.plan-card__summary {
    font-size: 0.8125rem;
    color: var(--text-muted);
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.plan-card__link {
    align-self: flex-start;
    margin-left: 2rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent);
    text-decoration: none;
}

.plan-card__link:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

.plan-card__select:hover .plan-card__box {
    border-color: rgba(37, 99, 235, 0.45);
    background: var(--accent-soft);
}

.plan-card__input:focus-visible + .plan-card__box {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.plan-card__input:checked + .plan-card__box {
    border-color: var(--accent);
    background: var(--accent-soft);
    box-shadow: var(--shadow-glow);
}

.plan-card__input:checked + .plan-card__box .plan-card__mark {
    border-color: var(--accent);
    background: var(--accent);
    color: #fff;
}

@media (min-width: 560px) {
    .plan-picker {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.form-check {
    display: flex;
    gap: 0.6rem;
    align-items: flex-start;
    margin: 1rem 0 1.25rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.form-alert { padding: 0.85rem 1rem; border-radius: var(--radius-sm); margin-bottom: 1rem; font-size: 0.875rem; }
.form-alert--success { background: #ecfdf5; border: 1px solid #a7f3d0; color: #047857; }
.form-alert--error { background: #fef2f2; border: 1px solid #fecaca; color: #b91c1c; }

.inquiry-aside {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.25rem 1.25rem 1.25rem 1.5rem;
    height: fit-content;
    box-shadow: var(--shadow);
    border-left: 3px solid var(--accent);
}

.inquiry-aside__title { margin: 0 0 0.75rem; font-size: 1rem; color: var(--text); font-weight: 600; }
.inquiry-aside a { color: var(--accent); text-decoration: none; }
.inquiry-aside a:hover { color: var(--accent-hover); }
.inquiry-aside address { font-style: normal; color: var(--text-muted); white-space: pre-line; }

.single-page-tabs { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }

.single-page-tabs a, .single-page-tabs__active {
    padding: 0.45rem 0.9rem;
    border-radius: 6px;
    font-size: 0.8125rem;
    font-family: var(--font-mono);
    text-decoration: none;
}

.single-page-tabs a {
    border: 1px solid var(--line);
    color: var(--text-muted);
    background: #fff;
    transition: all 0.2s;
}

.single-page-tabs a:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-soft);
}

.single-page-tabs__active {
    background: var(--accent-soft);
    color: var(--accent);
    border: 1px solid rgba(37, 99, 235, 0.25);
    font-weight: 600;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.faq-list { margin: 0; padding: 0; display: grid; gap: 1rem; }
.faq-item {
    margin: 0;
    padding: 1.25rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.faq-item__question {
    margin: 0 0 0.75rem;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text);
}
.faq-item__answer {
    margin: 0;
    color: var(--text-muted);
    line-height: 1.7;
}

@media (max-width: 767px) {
    .inquiry-layout { grid-template-columns: 1fr; gap: 1.25rem; }
    .inquiry-aside { order: -1; }
    .plan-picker { grid-template-columns: 1fr; }
    .plan-card__link { margin-left: 0; margin-top: 0.35rem; }
    .form-grid { grid-template-columns: 1fr; }
    .page-hero { padding: 2rem 0 1.5rem; }
    .contact-grid { grid-template-columns: 1fr; }
}

@media (min-width: 900px) {
    .form-grid { grid-template-columns: 1fr 1fr; }
    .inquiry-layout { grid-template-columns: 1.4fr 0.8fr; align-items: start; }
}