/* mk-30 —— 目录式分类站：沙色底 / 纯白卡 / 蓝色作为唯一强调色 */
:root {
    --sand: #faf7f2;
    --card: #ffffff;
    --ink: #1f2933;
    --ink-2: #52606d;
    --ink-3: #7b8794;
    --blue: #2b6cb0;
    --line: #c9bfae;
    --gap: 24px;
}

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

html {
    font-size: 15.5px;
    line-height: 1.85;
}

html body {
    margin: 0;
    background-color: var(--sand);
    color: var(--ink);
    font-size: 15.5px;
    line-height: 1.85;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
}

main,
header,
footer {
    font-size: 15.5px;
    line-height: 1.85;
}

body a {
    color: var(--ink);
    text-decoration: none;
}

a:hover {
    color: var(--blue);
}

body h1,
body h2,
body h3 {
    margin: 0;
    font-weight: 600;
    line-height: 1.5;
}

body h1 {
    font-size: 30px;
}

body h2 {
    font-size: 20px;
}

body h3 {
    font-size: 16px;
}

body p {
    margin: 0 0 12px;
}

body ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

body img {
    max-width: 100%;
    border: 0;
    object-fit: cover;
}

.wrap {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}

.lede {
    color: var(--ink-2);
    max-width: 780px;
}

/* ===== 页头：上行分类、下行 logo 与工具链接 ===== */
.catalog-head {
    background-color: var(--card);
}

.cat-primary-inner {
    padding-top: 0;
    padding-bottom: 0;
}

.cat-primary-list {
    display: flex;
    flex-wrap: nowrap;
    gap: var(--gap);
    overflow-x: auto;
}

.cat-primary-list li {
    flex: 0 0 auto;
}

.cat-primary-list a {
    display: block;
    padding: 14px 0 12px;
    font-weight: 600;
    white-space: nowrap;
    border-bottom: 2px solid transparent;
}

.cat-primary-list a:hover {
    border-bottom-color: var(--line);
}

.cat-primary-list a.is-current {
    color: var(--blue);
    border-bottom-color: var(--blue);
}

.head-sub {
    background-color: var(--card);
    border-bottom: 1px solid var(--line);
}

.is-scrolled .head-sub {
    border-bottom-color: var(--blue);
}

.head-sub-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--gap);
    padding-top: 12px;
    padding-bottom: 12px;
}

.brand-logo {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.6px;
}

.head-sub-right {
    display: flex;
    align-items: center;
    gap: var(--gap);
}

.head-tools {
    display: flex;
    gap: 18px;
}

.head-tools a {
    font-size: 14px;
    color: var(--ink-2);
}

.menu-toggle {
    display: none;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    font-size: 14px;
    font-weight: 600;
    color: var(--blue);
    background-color: var(--card);
    border: 1px solid var(--line);
    cursor: pointer;
}

.mobile-menu {
    background-color: var(--card);
    border-bottom: 1px solid var(--line);
}

.mobile-menu[hidden] {
    display: none;
}

.mobile-menu-inner {
    padding-top: 12px;
    padding-bottom: 16px;
}

.mobile-menu-title {
    font-size: 13px;
    color: var(--ink-3);
    margin-bottom: 6px;
}

.mobile-menu-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    margin-bottom: 14px;
}

.mobile-menu-list a {
    font-weight: 600;
}

.mobile-menu-list a.is-current {
    color: var(--blue);
}

/* ===== 首页 Hero：左分类大条目 / 右单图 ===== */
.catalog-hero {
    background-color: var(--sand);
}

.hero-wrap {
    display: grid;
    grid-template-columns: 62fr 38fr;
    gap: var(--gap);
    align-items: start;
    padding-top: 44px;
    padding-bottom: 24px;
}

.hero-kicker {
    font-size: 13px;
    letter-spacing: 2px;
    color: var(--blue);
    margin-bottom: 8px;
}

.hero-lede {
    color: var(--ink-2);
    margin-top: 12px;
    margin-bottom: 20px;
}

.cat-lg-items li {
    border-top: 1px solid var(--line);
}

.cat-lg-items li:last-child {
    border-bottom: 1px solid var(--line);
}

.cat-lg-items a {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 2px 16px;
    padding: 14px 0;
}

.cat-lg-name {
    font-size: 17px;
    font-weight: 600;
}

.cat-lg-desc {
    grid-column: 1;
    font-size: 14px;
    color: var(--ink-2);
}

.cat-lg-items i {
    grid-row: 1 / span 2;
    grid-column: 2;
    color: var(--blue);
}

.cat-visual img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    max-height: 420px;
    border: 1px solid var(--line);
}

/* ===== 静态筛选标签 ===== */
.filter-static {
    padding-top: 12px;
    padding-bottom: 24px;
}

.filter-groups {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--gap);
    margin-top: 16px;
}

.filter-group-name {
    display: block;
    font-size: 13px;
    color: var(--ink-3);
    margin-bottom: 8px;
}

.filter-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.filter-tags span {
    display: inline-block;
    padding: 3px 10px;
    font-size: 13px;
    color: var(--ink-2);
    background-color: var(--card);
    border: 1px solid var(--line);
}

.filter-tags span.is-active {
    color: var(--blue);
    font-weight: 600;
    border-color: var(--blue);
}

/* ===== 通用条目网格 ===== */
.sect {
    padding-top: 28px;
    padding-bottom: 28px;
}

.sect-head {
    margin-bottom: 18px;
}

.cat-list-row {
    padding-bottom: 28px;
}

.cat-row-items {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gap);
    margin-top: 16px;
}

.cat-row-items a {
    display: block;
    padding: 18px;
    background-color: var(--card);
    border: 1px solid var(--line);
}

.cat-row-items a:hover {
    border-color: var(--blue);
}

.cat-row-name {
    display: block;
    font-weight: 600;
    margin-bottom: 4px;
}

.cat-row-desc {
    display: block;
    font-size: 14px;
    color: var(--ink-2);
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--gap);
}

.catalog-item {
    display: block;
    padding: 18px;
    background-color: var(--card);
    border: 1px solid var(--line);
}

.catalog-item:hover {
    border-color: var(--blue);
}

.catalog-item i {
    display: block;
    font-size: 18px;
    color: var(--blue);
    margin-bottom: 10px;
}

.catalog-item-name {
    display: block;
    font-weight: 600;
    margin-bottom: 4px;
}

.catalog-item-note {
    display: block;
    font-size: 14px;
    color: var(--ink-2);
}

/* ===== 产品展示：单列行式 ===== */
.disp-rows {
    border-top: 1px solid var(--line);
}

.disp-item {
    display: grid;
    grid-template-columns: 120px 1fr auto;
    gap: var(--gap);
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
}

.disp-thumb img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    max-height: 160px;
    border: 1px solid var(--line);
}

.thumb-b img {
    aspect-ratio: 1 / 1;
}

.thumb-c img {
    aspect-ratio: 16 / 9;
}

.thumb-d img {
    aspect-ratio: 4 / 3;
    object-position: 18% 50%;
}

.thumb-e img {
    aspect-ratio: 5 / 4;
    object-position: 82% 30%;
}

.disp-name {
    display: block;
    font-weight: 600;
}

.disp-note {
    display: block;
    font-size: 14px;
    color: var(--ink-2);
}

.disp-tag {
    display: inline-block;
    padding: 3px 10px;
    font-size: 13px;
    color: var(--ink-2);
    background-color: var(--card);
    border: 1px solid var(--line);
    white-space: nowrap;
}

/* ===== 场景三卡 ===== */
.scene-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gap);
}

.scene-card {
    background-color: var(--card);
    border: 1px solid var(--line);
}

.scene-card:hover {
    border-color: var(--blue);
}

.scene-card img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 300px;
}

.scene-wide img {
    aspect-ratio: 16 / 9;
    object-position: 50% 45%;
}

.scene-tall-a img {
    aspect-ratio: 3 / 4;
    object-position: 50% 22%;
}

.scene-tall-b img {
    aspect-ratio: 3 / 4;
    object-position: 50% 72%;
}

.scene-body {
    padding: 16px 18px 18px;
}

.scene-body h3 {
    margin-bottom: 6px;
}

.scene-body p {
    font-size: 14px;
    color: var(--ink-2);
    margin-bottom: 0;
}

/* ===== 品牌图文 ===== */
.brand-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gap);
    align-items: center;
}

.brand-copy p {
    color: var(--ink-2);
}

.brand-media img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 10;
    max-height: 360px;
    border: 1px solid var(--line);
    object-position: 50% 32%;
}

/* ===== 新闻目录块 ===== */
.news-cat-top {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: var(--gap);
    align-items: center;
    padding: 16px;
    background-color: var(--card);
    border: 1px solid var(--line);
}

.news-cat-top img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 1 / 1;
    max-height: 240px;
    border: 1px solid var(--line);
}

.news-cat-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gap);
    margin-top: var(--gap);
}

.news-col-item {
    padding: 12px 0;
    border-top: 1px solid var(--line);
}

.news-col-item:last-child {
    border-bottom: 1px solid var(--line);
}

.news-col-item h3 {
    font-size: 15px;
    margin-bottom: 4px;
}

.news-col-item p {
    font-size: 14px;
    color: var(--ink-2);
    margin-bottom: 0;
}

/* ===== 服务块与问答 ===== */
.svc-blocks {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--gap);
}

.svc-block {
    display: block;
    padding: 18px;
    background-color: var(--card);
    border: 1px solid var(--line);
}

.svc-block:hover {
    border-color: var(--blue);
}

.svc-block i {
    display: block;
    font-size: 18px;
    color: var(--blue);
    margin-bottom: 10px;
}

.svc-block-name {
    display: block;
    font-weight: 600;
    margin-bottom: 4px;
}

.svc-block-note {
    display: block;
    font-size: 14px;
    color: var(--ink-2);
}

.svc-faq {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px var(--gap);
    margin-top: var(--gap);
}

.svc-faq details {
    background-color: var(--card);
    border: 1px solid var(--line);
    padding: 12px 16px;
}

.svc-faq summary {
    font-weight: 600;
    cursor: pointer;
}

.svc-faq p {
    font-size: 14px;
    color: var(--ink-2);
    margin: 8px 0 0;
}

/* ===== 页脚上方窄带 ===== */
.foot-band img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 32 / 9;
    max-height: 320px;
    object-position: 50% 40%;
}

/* ===== 页脚 ===== */
.catalog-foot {
    background-color: var(--sand);
    border-top: 1px solid var(--line);
}

.foot-cols {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: var(--gap);
    padding-top: 32px;
    padding-bottom: 24px;
}

.foot-title {
    font-size: 15px;
    margin-bottom: 10px;
}

.foot-list li {
    margin-bottom: 6px;
}

.foot-list a {
    font-size: 14px;
    color: var(--ink-2);
}

.foot-base {
    padding-top: 14px;
    padding-bottom: 26px;
    border-top: 1px solid var(--line);
}

.foot-base p {
    font-size: 13px;
    color: var(--ink-3);
    margin-bottom: 0;
}

/* ===== 内页：通用页头 ===== */
.page-head {
    background-color: var(--sand);
    border-bottom: 1px solid var(--line);
    padding-top: 36px;
    padding-bottom: 28px;
}

.page-head h1 {
    margin-bottom: 10px;
}

.crumb {
    font-size: 13px;
    color: var(--ink-3);
    margin-bottom: 10px;
}

.end-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 20px;
    margin-top: 12px;
}

.end-links a {
    font-weight: 600;
    color: var(--blue);
}

/* ===== about.html ===== */
.about-cat {
    padding-top: 40px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--line);
}

.about-cat p {
    max-width: 820px;
}

.about-body {
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    gap: var(--gap);
    padding-top: 28px;
    padding-bottom: 28px;
}

.about-block {
    padding-bottom: 14px;
    margin-bottom: 14px;
    border-bottom: 1px solid var(--line);
}

.about-block:last-child {
    border-bottom: 0;
    margin-bottom: 0;
}

.about-block h3 {
    margin-bottom: 6px;
}

.about-block p {
    font-size: 14px;
    color: var(--ink-2);
    margin-bottom: 0;
}

.about-media img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 260px;
    border: 1px solid var(--line);
    margin-bottom: 12px;
}

.about-media-a img {
    aspect-ratio: 3 / 4;
    object-position: 50% 24%;
}

.about-media-b img {
    aspect-ratio: 16 / 9;
    object-position: 50% 68%;
}

.about-cat-index {
    padding-top: 28px;
    padding-bottom: 28px;
    border-top: 1px solid var(--line);
}

.about-index-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gap);
    margin-top: 16px;
}

.about-index-item {
    padding: 16px;
    background-color: var(--card);
    border: 1px solid var(--line);
}

.about-index-item:hover {
    border-color: var(--blue);
}

.about-index-tag {
    display: inline-block;
    padding: 2px 10px;
    font-size: 13px;
    color: var(--blue);
    border: 1px solid var(--blue);
    margin-bottom: 8px;
}

.about-index-item h3 {
    margin-bottom: 4px;
}

.about-index-item p {
    font-size: 14px;
    color: var(--ink-2);
    margin-bottom: 0;
}

.about-cat-note {
    padding-top: 28px;
    padding-bottom: 36px;
    text-align: center;
    border-top: 1px solid var(--line);
}

.about-cat-note p {
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
    color: var(--ink-2);
}

.about-cat-note .end-links {
    justify-content: center;
}

/* ===== product.html ===== */
.prod-quick-row {
    display: flex;
    flex-wrap: nowrap;
    gap: 12px;
    overflow-x: auto;
    margin-top: 14px;
    padding-bottom: 4px;
}

.prod-quick-row a {
    flex: 0 0 auto;
    padding: 5px 14px;
    font-size: 14px;
    background-color: var(--card);
    border: 1px solid var(--line);
}

.prod-quick-row a:hover {
    border-color: var(--blue);
}

.prod-catalog {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: var(--gap);
    padding-top: 28px;
    padding-bottom: 28px;
}

.prod-tree {
    align-self: start;
    background-color: var(--card);
    border: 1px solid var(--line);
    padding: 16px;
}

.prod-tree-list li {
    margin-bottom: 4px;
}

.prod-tree-list a {
    display: block;
    padding: 6px 0 6px 12px;
    font-size: 14px;
    color: var(--ink-2);
    border-left: 2px solid transparent;
}

.prod-tree-list a.is-current {
    color: var(--blue);
    font-weight: 600;
    border-left-color: var(--blue);
}

.prod-group {
    padding-bottom: 16px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--line);
}

.prod-group:last-child {
    border-bottom: 0;
    margin-bottom: 0;
    padding-bottom: 0;
}

.prod-group h3 {
    margin-bottom: 10px;
}

.prod-entries {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gap);
}

.prod-entry {
    padding: 14px 16px;
    background-color: var(--card);
    border: 1px solid var(--line);
}

.prod-entry:hover {
    border-color: var(--blue);
}

.prod-entry-name {
    display: block;
    font-weight: 600;
}

.prod-entry-note {
    display: block;
    font-size: 14px;
    color: var(--ink-2);
    margin-bottom: 6px;
}

.prod-visual {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--gap);
    margin-top: 16px;
}

.prod-visual figure {
    margin: 0;
    background-color: var(--card);
    border: 1px solid var(--line);
}

.prod-visual img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 260px;
}

.prod-visual-a img {
    aspect-ratio: 16 / 9;
    object-position: 50% 40%;
}

.prod-visual-b img {
    aspect-ratio: 4 / 3;
    object-position: 20% 60%;
}

.prod-visual figcaption {
    padding: 10px 16px 14px;
    font-size: 14px;
    color: var(--ink-2);
}

.prod-order {
    display: grid;
    gap: 12px;
    margin-top: 14px;
}

.prod-order-item {
    display: grid;
    grid-template-columns: 96px 1fr;
    gap: var(--gap);
    align-items: start;
    padding: 12px 16px;
    background-color: var(--card);
    border: 1px solid var(--line);
}

.prod-order-tag {
    font-weight: 600;
    color: var(--blue);
}

.prod-order-item p {
    font-size: 14px;
    color: var(--ink-2);
    margin-bottom: 0;
}

/* ===== news.html ===== */
.news-strip img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 21 / 9;
    max-height: 240px;
    border: 1px solid var(--line);
    object-position: 50% 55%;
}

.news-lead {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--gap);
    align-items: center;
    padding: 16px;
    background-color: var(--card);
    border: 1px solid var(--line);
}

.news-lead img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    max-height: 220px;
    border: 1px solid var(--line);
}

.news-lead figcaption {
    font-size: 13px;
    color: var(--ink-3);
    margin-top: 6px;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gap);
}

.news-card {
    padding: 16px;
    background-color: var(--card);
    border: 1px solid var(--line);
}

.news-card:hover {
    border-color: var(--blue);
}

.news-card-tag {
    display: inline-block;
    padding: 2px 10px;
    font-size: 13px;
    color: var(--blue);
    border: 1px solid var(--blue);
    margin-bottom: 8px;
}

.news-card h3 {
    font-size: 15px;
    margin-bottom: 4px;
}

.news-card p {
    font-size: 14px;
    color: var(--ink-2);
    margin-bottom: 0;
}

.news-archive-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gap);
    margin-top: 14px;
}

.news-archive-row a {
    display: block;
    padding: 12px 16px;
    font-size: 14px;
    background-color: var(--card);
    border: 1px solid var(--line);
}

.news-archive-row a:hover {
    border-color: var(--blue);
}

/* ===== contact.html ===== */
.contact-cat {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gap);
    padding-top: 28px;
    padding-bottom: 28px;
}

.contact-notes {
    padding: 18px;
    background-color: var(--card);
    border: 1px solid var(--line);
}

.contact-note-item {
    padding-bottom: 12px;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--line);
}

.contact-note-item:last-child {
    padding-bottom: 0;
    margin-bottom: 0;
    border-bottom: 0;
}

.contact-note-item h3 {
    margin-bottom: 4px;
}

.contact-note-item p {
    font-size: 14px;
    color: var(--ink-2);
    margin-bottom: 0;
}

.contact-notes img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    max-height: 180px;
    margin-top: 14px;
    border: 1px solid var(--line);
    object-position: 28% 45%;
}

.contact-form {
    padding: 18px;
    background-color: var(--card);
    border: 1px solid var(--line);
}

.field {
    margin-bottom: 14px;
}

.field label {
    display: block;
    font-size: 14px;
    margin-bottom: 6px;
}

.field input,
.field textarea {
    width: 100%;
    padding: 9px 12px;
    font-size: 14px;
    font-family: inherit;
    color: var(--ink);
    background-color: var(--sand);
    border: 1px solid var(--line);
}

.field textarea {
    min-height: 120px;
    resize: vertical;
}

.form-btn {
    padding: 8px 20px;
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    color: var(--card);
    background-color: var(--blue);
    border: 1px solid var(--blue);
    cursor: pointer;
}

.form-note {
    font-size: 13px;
    color: var(--ink-3);
    margin-top: 10px;
    margin-bottom: 0;
}

.contact-faq {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gap);
    margin-top: 14px;
}

.contact-faq-item {
    padding: 16px;
    background-color: var(--card);
    border: 1px solid var(--line);
}

.contact-faq-item h3 {
    margin-bottom: 6px;
}

.contact-faq-item p {
    font-size: 14px;
    color: var(--ink-2);
    margin-bottom: 0;
}

.contact-end {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: var(--gap);
    align-items: center;
    padding-top: 28px;
    padding-bottom: 32px;
    border-top: 1px solid var(--line);
}

.contact-end img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    max-height: 240px;
    border: 1px solid var(--line);
    object-position: 70% 45%;
}

/* ===== guide.html ===== */
.guide-cat-hero {
    padding-top: 40px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--line);
}

.guide-hero-pair {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: var(--gap);
    margin-top: 20px;
}

.guide-hero-pair img {
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid var(--line);
}

.guide-pair-a img {
    aspect-ratio: 16 / 9;
    max-height: 220px;
    object-position: 50% 50%;
}

.guide-pair-b img {
    aspect-ratio: 16 / 9;
    max-height: 220px;
    object-position: 15% 35%;
}

.guide-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--gap);
    margin-top: 16px;
}

.guide-step {
    padding: 16px;
    background-color: var(--card);
    border: 1px solid var(--line);
}

.step-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    margin-bottom: 10px;
    color: var(--card);
    background-color: var(--blue);
}

.guide-step h3 {
    margin-bottom: 4px;
}

.guide-step p {
    font-size: 14px;
    color: var(--ink-2);
    margin-bottom: 0;
}

.guide-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gap);
    margin-top: 16px;
}

.guide-list-item {
    padding: 16px;
    background-color: var(--card);
    border: 1px solid var(--line);
}

.guide-list-item h3 {
    margin-bottom: 6px;
}

.guide-list-item p {
    font-size: 14px;
    color: var(--ink-2);
    margin-bottom: 6px;
}

.guide-list-item p:last-child {
    margin-bottom: 0;
}

.guide-faq {
    display: grid;
    gap: 12px;
    margin-top: 16px;
}

.guide-faq details {
    padding: 12px 16px;
    background-color: var(--card);
    border: 1px solid var(--line);
}

.guide-faq summary {
    font-weight: 600;
    cursor: pointer;
}

.guide-faq p {
    font-size: 14px;
    color: var(--ink-2);
    margin: 8px 0 0;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .filter-groups,
    .catalog-grid,
    .svc-blocks,
    .guide-steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .cat-row-items,
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .prod-catalog {
        grid-template-columns: 200px 1fr;
    }
}

@media (max-width: 860px) {
    .head-tools {
        display: none;
    }

    .menu-toggle {
        display: inline-flex;
    }

    .hero-wrap,
    .brand-2col,
    .about-body,
    .prod-catalog,
    .prod-visual,
    .contact-cat,
    .contact-end,
    .guide-hero-pair,
    .news-lead,
    .news-cat-top {
        grid-template-columns: 1fr;
    }

    .scene-3,
    .news-cat-cols,
    .svc-faq,
    .about-index-grid,
    .contact-faq,
    .guide-list,
    .prod-entries,
    .news-archive-row {
        grid-template-columns: 1fr;
    }

    .disp-item {
        grid-template-columns: 96px 1fr;
    }

    .disp-tag {
        grid-column: 1 / -1;
        justify-self: start;
    }

    .foot-cols {
        grid-template-columns: 1fr;
    }

    .cat-visual img,
    .news-lead img,
    .news-cat-top img {
        max-height: 260px;
    }
}

@media (max-width: 560px) {
    .wrap {
        padding-left: 16px;
        padding-right: 16px;
    }

    body h1 {
        font-size: 23px;
    }

    body h2 {
        font-size: 18px;
    }

    .filter-groups,
    .catalog-grid,
    .cat-row-items,
    .news-grid,
    .svc-blocks,
    .guide-steps {
        grid-template-columns: 1fr;
    }

    .prod-order-item {
        grid-template-columns: 1fr;
        gap: 4px;
    }
}