/* Product Category Support — /product-category/.../support/ */
.sp-page {
    --sp-red: #c81e1e;
    --sp-red-hover: #a30000;
    --sp-border: #d1d5db;
    --sp-text: #1f2937;
    --sp-muted: #6b7280;
    --sp-field-bg: transparent;
    background: #fff;
}

.sp-page .sp-container {
    width: 100%;
    max-width: 1440px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

@media (min-width: 768px) {
    .sp-page .sp-container {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

/* Breadcrumb styles moved to css/style.css (.parwatt-breadcrumb) */

/* Hero */
.sp-page .sp-hero {
    position: relative;
    min-height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, #1a2b4c 0%, #2d4a8a 100%);
    background-size: cover;
    background-position: center;
    color: #fff;
    overflow: hidden;
}

@media (min-width: 768px) {
    .sp-page .sp-hero {
        min-height: 400px;
    }
}

.sp-page .sp-hero__bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.sp-page .sp-hero__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, var(--sp-hero-overlay, 0.45));
    z-index: 1;
}

.sp-page .sp-hero__inner {
    position: relative;
    z-index: 2;
    padding: 3rem 1rem;
}

.sp-page .sp-hero__title {
    margin: 0;
    font-size: clamp(2rem, 5vw, 3.25rem);
    line-height: 1.15;
    font-weight: 600;
    color: #fff;
}

/* Breadcrumb */
.sp-page .parwatt-breadcrumb {
    background: #fff;
    padding: 1rem 0;
    border-bottom: none;
    position: relative;
    z-index: 2;
}

/* Tab nav */
.sp-page .sp-tabs-wrap {
    padding: 2rem 0 0;
    background: #fff;
}

.sp-page .sp-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

.sp-page .sp-tabs__btn {
    appearance: none;
    border: 1px solid #e5e7eb;
    background: #f3f4f6;
    color: var(--sp-text);
    border-radius: 999px;
    padding: 0.65rem 2rem;
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.sp-page .sp-tabs__btn:hover {
    border-color: var(--sp-red);
    color: var(--sp-red);
}

.sp-page .sp-tabs__btn.is-active {
    background: var(--sp-red);
    border-color: var(--sp-red);
    color: #fff;
}

/* Panels */
.sp-page .sp-panels {
    padding: 2.5rem 0 4rem;
}

.sp-page .sp-warranty-form {
    width: 100%;
    max-width: 100%;
    margin: 0;
}

.sp-page .sp-panel__title {
    margin: 0 0 2rem;
    text-align: center;
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 600;
    color: var(--sp-text);
}

/* Form sections */
.sp-page .sp-form-section {
    margin-bottom: 3.5rem;
}

.sp-page .sp-form-section__title {
    margin: 0 0 1.75rem;
    font-size: 16px !important;
    font-weight: 600;
    color: var(--sp-text);
    line-height: 1.5;
}

.sp-page .sp-form-section--basic {
    padding-bottom: 1rem;
}

.sp-page .sp-form-section--basic .sp-form-grid + .sp-form-grid {
    margin-top: 2.25rem;
}

.sp-page .sp-form-section__hint {
    margin: 0 0 1.5rem;
    font-size: 0.875rem;
    color: var(--sp-muted);
    line-height: 1.6;
}

.sp-page .sp-form-grid {
    display: grid;
    gap: 2rem 2.5rem;
}

.sp-page .sp-form-grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.sp-page .sp-form-grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.sp-page .sp-form-grid--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (max-width: 900px) {
    .sp-page .sp-form-grid--4,
    .sp-page .sp-form-grid--3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 600px) {
    .sp-page .sp-form-grid--4,
    .sp-page .sp-form-grid--3,
    .sp-page .sp-form-grid--2 {
        grid-template-columns: 1fr;
    }
}

.sp-page .sp-field {
    min-width: 0;
}

.sp-page .sp-field__label {
    display: block;
    margin-bottom: 0.75rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--sp-text);
    line-height: 1.4;
}

.sp-page .sp-field__label .required {
    color: var(--sp-red);
}

.sp-page .sp-field input[type="text"],
.sp-page .sp-field input[type="email"],
.sp-page .sp-field input[type="tel"],
.sp-page .sp-field input[type="number"],
.sp-page .sp-field select,
.sp-page .sp-field textarea {
    display: block;
    width: 100%;
    box-sizing: border-box;
    border: none;
    border-bottom: 1px solid var(--sp-border);
    border-radius: 0;
    padding: 0.75rem 0;
    font-size: 0.9375rem;
    line-height: 1.4;
    color: var(--sp-text);
    background: var(--sp-field-bg);
    transition: border-color 0.2s ease;
}

.sp-page .sp-field input:focus,
.sp-page .sp-field select:focus,
.sp-page .sp-field textarea:focus {
    outline: none;
    border-bottom-color: var(--sp-red);
}

.sp-page .sp-field input::placeholder,
.sp-page .sp-field textarea::placeholder {
    color: #9ca3af;
}

.sp-page .sp-field textarea {
    min-height: 160px;
    resize: vertical;
    border: 1px solid var(--sp-border);
    border-radius: 4px;
    padding: 1rem;
    margin-top: 0.25rem;
}

.sp-page .sp-field--phone {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 0.75rem;
    align-items: end;
}

.sp-page .sp-config-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 0.5rem;
    align-items: flex-end;
}

.sp-page .sp-config-row input[type="text"] {
    width: 3.5rem;
    min-width: 0;
    flex: 0 1 3.5rem;
}

.sp-page .sp-config-row input[name="config_cells"],
.sp-page .sp-config-row input[name="config_groups"] {
    width: 4rem;
    flex: 0 1 4rem;
}

.sp-page .sp-config-row__sep {
    font-size: 0.875rem;
    color: var(--sp-muted);
    padding-bottom: 0.55rem;
}

.sp-page .sp-field--suffix {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.5rem;
    align-items: end;
}

.sp-page .sp-field--suffix span {
    font-size: 0.875rem;
    color: var(--sp-muted);
    padding-bottom: 0.55rem;
}

/* UPS table */
.sp-page .sp-ups-table-wrap {
    overflow-x: auto;
    margin-bottom: 0;
    margin-top: 0.5rem;
}

.sp-page .sp-ups-table {
    width: 100%;
    min-width: 760px;
    border-collapse: collapse;
    font-size: 0.8125rem;
}

.sp-page .sp-ups-table th,
.sp-page .sp-ups-table td {
    border: 1px solid var(--sp-border);
    padding: 0.85rem 0.65rem;
    vertical-align: middle;
    text-align: center;
}

.sp-page .sp-ups-table th {
    background: #f9fafb;
    font-weight: 600;
    color: var(--sp-text);
}

.sp-page .sp-ups-table td:first-child {
    text-align: left;
    font-weight: 500;
    white-space: nowrap;
    background: #fafafa;
}

.sp-page .sp-ups-table input {
    width: 100%;
    min-width: 60px;
    border: none;
    border-bottom: 1px solid #e5e7eb;
    padding: 0.5rem 0.35rem;
    text-align: center;
    font-size: 0.8125rem;
    background: transparent;
}

.sp-page .sp-ups-table input:focus {
    outline: none;
    border-bottom-color: var(--sp-red);
}

.sp-page .sp-ups-table .sp-ups-note {
    min-width: 140px;
    width: 18%;
}

.sp-page .sp-ups-table .sp-ups-note textarea {
    width: 100%;
    min-height: 168px;
    height: 100%;
    border: 1px solid #e5e7eb;
    border-radius: 4px;
    padding: 0.75rem;
    font-size: 0.8125rem;
    resize: vertical;
    box-sizing: border-box;
}

.sp-page .sp-ups-table__extra-row td {
    padding: 0.65rem;
    vertical-align: top;
}

.sp-page .sp-ups-table__extra-label {
    background: #fafafa;
}

.sp-page .sp-ups-table__extra-cell textarea {
    width: 100%;
    min-height: 88px;
    border: none;
    border-bottom: 1px solid #e5e7eb;
    border-radius: 0;
    padding: 0.5rem 0.35rem;
    font-size: 0.8125rem;
    resize: vertical;
    background: transparent;
    box-sizing: border-box;
}

.sp-page .sp-ups-table__extra-cell textarea:focus {
    outline: none;
    border-bottom-color: var(--sp-red);
}

/* Attachments */
.sp-page .sp-attachments {
    margin-top: 3rem;
    margin-bottom: 1rem;
}

.sp-page .sp-attachments__label {
    display: block;
    margin-bottom: 0.75rem;
    font-size: 0.9375rem;
    font-weight: 600;
}

.sp-page .sp-attachments__add {
    appearance: none;
    border: 1px solid var(--sp-red);
    background: #fff;
    color: var(--sp-red);
    border-radius: 4px;
    padding: 0.55rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
}

.sp-page .sp-attachments__add:hover:not(:disabled) {
    background: var(--sp-red);
    color: #fff;
}

.sp-page .sp-attachments__add:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.sp-page .sp-attachments__input {
    display: none;
}

.sp-page .sp-attachments__list {
    list-style: none;
    margin: 0.75rem 0 0;
    padding: 0;
}

.sp-page .sp-attachments__item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--sp-muted);
    padding: 0.35rem 0;
}

.sp-page .sp-attachments__remove {
    appearance: none;
    border: none;
    background: none;
    color: var(--sp-red);
    cursor: pointer;
    font-size: 1.1rem;
    line-height: 1;
    padding: 0 0.25rem;
}

/* Submit — 图三：红色方块箭头 + 黑色 SUBMIT 文字，整体居中 */
.sp-page .sp-form-actions {
    margin-top: 3.5rem;
    padding-top: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.sp-page .sp-submit {
    appearance: none;
    display: inline-flex;
    align-items: center;
    gap: 0.85rem;
    border: none;
    background: transparent;
    padding: 0;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.sp-page .sp-submit:hover:not(:disabled) {
    opacity: 0.85;
}

.sp-page .sp-submit:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.sp-page .sp-submit__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    background: var(--sp-red);
    color: #fff;
    border-radius: 6px;
    font-size: 1.35rem;
    line-height: 1;
    flex-shrink: 0;
}

.sp-page .sp-submit__text {
    color: #111827;
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    line-height: 1;
}

.sp-page .sp-form-status {
    font-size: 0.875rem;
    margin: 0;
    text-align: center;
    width: 100%;
}

.sp-page .sp-form-status.is-success {
    color: #15803d;
}

.sp-page .sp-form-status.is-error {
    color: #b91c1c;
}

.sp-page .sp-form-status.is-loading {
    color: var(--sp-muted);
}

/* CF7 form in support panel */
.sp-page .sp-warranty-form--cf7 .wpcf7-form,
.sp-page .sp-warranty-form--cf7 form {
    margin: 0;
    width: 100%;
    max-width: 100%;
}

.sp-page .sp-warranty-form--cf7 .wpcf7-form p:has([type="submit"]),
.sp-page .sp-warranty-form--cf7 form p:has([type="submit"]) {
    display: flex;
    justify-content: center;
    margin-top: 3rem;
}

.sp-page .sp-warranty-form--cf7 input[type="text"],
.sp-page .sp-warranty-form--cf7 input[type="email"],
.sp-page .sp-warranty-form--cf7 input[type="tel"],
.sp-page .sp-warranty-form--cf7 select,
.sp-page .sp-warranty-form--cf7 textarea {
    display: block;
    width: 100%;
    box-sizing: border-box;
    border: none;
    border-bottom: 1px solid var(--sp-border);
    border-radius: 0;
    padding: 0.55rem 0;
    font-size: 0.9375rem;
    background: transparent;
}

.sp-page .sp-warranty-form--cf7 input[type="submit"],
.sp-page .sp-warranty-form--cf7 .wpcf7-submit {
    appearance: none;
    display: inline-flex;
    align-items: center;
    gap: 0.85rem;
    border: none;
    background: transparent;
    color: #111827;
    border-radius: 0;
    padding: 0;
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    cursor: pointer;
}

.sp-page .sp-warranty-form--cf7 input[type="submit"]:hover,
.sp-page .sp-warranty-form--cf7 .wpcf7-submit:hover {
    opacity: 0.85;
    background: transparent;
}

/* FAQ — Kehua 风格 */
.sp-page .sp-faq {
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 1rem 0 2rem;
}

.sp-page .sp-faq__inner {
    width: 100%;
}

.sp-page .sp-faq__title {
    margin: 0 0 2.5rem;
    text-align: center;
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 600;
    color: var(--sp-text);
    line-height: 1.15;
}

.sp-page .sp-faq__intro {
    text-align: center;
    color: var(--sp-muted);
    margin: -1.5rem 0 2rem;
    line-height: 1.6;
    font-size: 0.9375rem;
}

.sp-page .sp-faq__filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 2rem 2.5rem;
    margin-bottom: 2.5rem;
}

.sp-page .sp-faq__filter {
    appearance: none;
    border: none;
    background: none;
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0;
    font-size: 0.9375rem;
    color: var(--sp-text);
    cursor: pointer;
    transition: color 0.2s ease;
}

.sp-page .sp-faq__filter:hover {
    color: var(--sp-red);
}

.sp-page .sp-faq__filter-dot {
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
    border: 1px solid #cbd5e1;
    background: #fff;
    box-sizing: border-box;
    flex-shrink: 0;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.sp-page .sp-faq__filter.is-active .sp-faq__filter-dot {
    background: var(--sp-red);
    border-color: var(--sp-red);
}

.sp-page .sp-faq__count {
    margin: 0 0 1rem;
    font-size: 0.875rem;
    color: var(--sp-red);
    line-height: 1.4;
}

.sp-page .sp-faq__list {
    border-top: 1px solid #e5e7eb;
}

.sp-page .sp-faq__item {
    border-bottom: 1px solid #e5e7eb;
}

.sp-page .sp-faq__item[hidden] {
    display: none;
}

.sp-page .sp-faq__button {
    appearance: none;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    padding: 1.35rem 0;
    border: none;
    background: none;
    text-align: left;
    cursor: pointer;
}

.sp-page .sp-faq__question {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: #111827;
    line-height: 1.45;
    transition: color 0.2s ease;
}

.sp-page .sp-faq__button:hover .sp-faq__question,
.sp-page .sp-faq__item.is-open .sp-faq__question {
    color: var(--sp-text);
}

.sp-page .sp-faq__toggle {
    flex-shrink: 0;
    width: 1.5rem;
    text-align: center;
    font-size: 1.35rem;
    font-weight: 300;
    line-height: 1;
    color: #6b7280;
    transition: transform 0.25s ease, color 0.2s ease;
}

.sp-page .sp-faq__item.is-open .sp-faq__toggle {
    transform: rotate(45deg);
    color: var(--sp-red);
}

.sp-page .sp-faq__answer {
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transition: max-height 0.3s ease, opacity 0.3s ease;
}

.sp-page .sp-faq__answer-inner {
    padding: 0 0 1.35rem;
    color: var(--sp-muted);
    line-height: 1.65;
    font-size: 0.9375rem;
}

.sp-page .sp-faq__answer-inner p {
    margin: 0 0 0.75rem;
}

.sp-page .sp-faq__answer-inner p:last-child {
    margin-bottom: 0;
}

/* FAQ 分页跳转 */
.sp-page .sp-faq__pager {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.65rem 0.85rem;
    margin-top: 2.5rem;
    padding-top: 0.5rem;
}

.sp-page .sp-faq__pager-current {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2rem;
    height: 2rem;
    padding: 0 0.35rem;
    background: var(--sp-red);
    color: #fff;
    border-radius: 6px;
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1;
}

.sp-page .sp-faq__pager-skip,
.sp-page .sp-faq__pager-page {
    font-size: 0.9375rem;
    color: #111827;
    line-height: 1;
}

.sp-page .sp-faq__pager-input-wrap {
    margin: 0;
}

.sp-page .sp-faq__pager-input {
    width: 4.5rem;
    height: 2rem;
    padding: 0 0.85rem;
    border: 1px solid #d1d5db;
    border-radius: 999px;
    background: #fff;
    font-size: 0.875rem;
    color: var(--sp-text);
    text-align: center;
    box-sizing: border-box;
    -moz-appearance: textfield;
}

.sp-page .sp-faq__pager-input::-webkit-outer-spin-button,
.sp-page .sp-faq__pager-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.sp-page .sp-faq__pager-input:focus {
    outline: none;
    border-color: var(--sp-red);
}

.sp-page .sp-faq__pager-confirm {
    appearance: none;
    height: 2rem;
    padding: 0 1.15rem;
    border: 1px solid var(--sp-red);
    border-radius: 999px;
    background: #fff;
    color: var(--sp-red);
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
}

.sp-page .sp-faq__pager-confirm:hover {
    background: var(--sp-red);
    color: #fff;
}

.sp-page .sp-empty {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--sp-muted);
}