/* =========================================================
   云木雅集 · 原创品牌官网样式
   参考高端沉香类官网的信息架构与版式节奏，代码与视觉素材均为原创
   ========================================================= */

:root {
  --color-bg: #ffffff;
  --color-bg-soft: #faf7f3;
  --color-text: #2c2c2c;
  --color-text-muted: #666666;
  --color-text-light: #999999;
  --color-accent: #9b1c1c;
  --color-accent-hover: #7a1515;
  --color-line: #ece8e2;
  --color-border: #e5dfd6;
  --color-wood: #6b4428;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Noto Sans SC", sans-serif;
  --font-serif: "Songti SC", "STSong", "SimSun", "Noto Serif SC", serif;
  --container: 1180px;
  --header-gap: 18px;
  --radius: 2px;
  --shadow-soft: 0 4px 18px rgba(40, 20, 10, 0.06);
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border: 0;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), border-color var(--transition),
    opacity var(--transition), background var(--transition);
}

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

button,
input,
textarea {
  font: inherit;
}

.container {
  width: min(100% - 32px, var(--container));
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ---------- Top bar / Header ---------- */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--color-line);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  padding: 22px 0 10px;
  position: relative;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo img {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: 50%;
}
.brand-logo img[src*="logo.jpg"],
.brand-logo img[src*="uploads/"] {
  width: auto;
  max-height: 56px;
  max-width: 180px;
  border-radius: 0;
  object-fit: contain;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 30px;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  font-weight: 700;
  line-height: 1.2;
}

.brand-sub {
  display: block;
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--color-text-light);
  margin-top: 4px;
  font-weight: 400;
}

.header-hotline {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-muted);
  font-size: 14px;
}

.header-hotline .phone-icon {
  width: 18px;
  height: 18px;
  fill: var(--color-accent);
}

.header-hotline strong {
  color: var(--color-accent);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

/* ---------- Navigation ---------- */
.site-nav {
  border-top: 1px solid var(--color-line);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  position: relative;
  min-height: 52px;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px 2px;
}

.nav-list > li {
  position: relative;
}

.nav-list > li > a {
  display: block;
  padding: 14px 18px;
  font-size: 15px;
  color: var(--color-text);
  border-top: 2px solid transparent;
  margin-top: -1px;
}

.nav-list > li > a:hover,
.nav-list > li > a.is-active {
  color: var(--color-accent);
  border-top-color: var(--color-accent);
}

.nav-list > li:hover .submenu,
.nav-list > li:focus-within .submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.submenu {
  position: absolute;
  left: 0;
  top: 100%;
  transform: translateY(6px);
  min-width: 100%;
  width: max-content;
  background: #fff;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition), visibility var(--transition),
    transform var(--transition);
  z-index: 20;
}

.submenu a {
  display: block;
  padding: 9px 22px;
  font-size: 13px;
  color: var(--color-text-muted);
  white-space: nowrap;
  text-align: left;
}

.submenu a:hover {
  color: var(--color-accent);
  background: var(--color-bg-soft);
}

.nav-search {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-text-muted);
  font-size: 14px;
  cursor: pointer;
  background: none;
  border: 0;
  padding: 8px;
}

.nav-search:hover {
  color: var(--color-accent);
}

.nav-search svg {
  width: 16px;
  height: 16px;
}

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 10px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  margin: 5px 0;
  transition: var(--transition);
}

/* ---------- Hero Swiper ---------- */
.hero-swiper {
  width: 100%;
  background: #1a100c;
  position: relative;
}

.hero-swiper .swiper-slide {
  height: auto;
}

.hero-swiper .swiper-slide a {
  display: block;
  line-height: 0;
}

.hero-swiper .swiper-slide img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

/* 默认（窄屏 / 微信内置浏览器）：只显示手机端 */
.hero-swiper-pc {
  display: none !important;
}

.hero-swiper-mobile {
  display: block !important;
}

/* 1000px 及以上：只显示电脑端 */
@media (min-width: 1000px) {
  .hero-swiper-pc {
    display: block !important;
  }

  .hero-swiper-mobile {
    display: none !important;
  }
}

.hero-swiper .swiper-pagination-bullet {
  background: #fff;
  opacity: 0.45;
  width: 8px;
  height: 8px;
}

.hero-swiper .swiper-pagination-bullet-active {
  opacity: 1;
  background: var(--color-accent);
}

.hero-swiper .swiper-button-prev,
.hero-swiper .swiper-button-next {
  color: #fff;
  width: 42px;
  height: 42px;
  background: rgba(0, 0, 0, 0.28);
  border-radius: 50%;
}

.hero-swiper .swiper-button-prev::after,
.hero-swiper .swiper-button-next::after {
  font-size: 16px;
  font-weight: 700;
}

/* ---------- Sections ---------- */
.section {
  padding: 48px 0 20px;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 22px;
  gap: 16px;
}

.section-title {
  margin: 0;
  font-size: 24px;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.06em;
}

.section-more {
  color: var(--color-accent);
  font-size: 14px;
  flex-shrink: 0;
}

.section-more:hover {
  color: var(--color-accent-hover);
}

.section-desc {
  color: var(--color-text-muted);
  max-width: 720px;
  margin: 0 0 28px;
  font-size: 14px;
}

/* ---------- Home grids (configurable cols) ---------- */
.home-grid {
  display: grid;
  gap: 22px;
  width: 100%;
}

.home-grid.cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.home-grid.cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.home-grid.cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.home-grid .product-card {
  height: 100%;
}

.product-section.section {
  margin-top: 0;
}

/* ---------- Feature grid (3 cols) ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 28px;
}

.feature-card {
  background: #fff;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(40, 20, 10, 0.1);
}

.feature-card img {
  width: 100%;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}

.feature-card h3 {
  margin: 0;
  padding: 14px 16px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
  text-align: center;
  line-height: 1.5;
}

/* ---------- Media grid (2 cols) ---------- */
.media-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.media-card {
  border: 1px solid var(--color-border);
  background: #fff;
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.media-card:hover {
  box-shadow: var(--shadow-soft);
}

.media-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.media-card:hover img {
  transform: scale(1.03);
}

.media-card .media-body {
  padding: 14px 16px 18px;
  text-align: center;
}

.media-card h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
}

.media-card p {
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--color-text-light);
}

/* ---------- Intro block ---------- */
.intro-block {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
  padding: 36px 0 20px;
}

.intro-block h1 {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.2vw, 40px);
  color: var(--color-accent);
  letter-spacing: 0.08em;
  font-weight: 700;
}

.intro-block p {
  margin: 0 0 14px;
  color: var(--color-text-muted);
  font-size: 15px;
}

.intro-visual {
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.intro-visual img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 22px;
  border: 1px solid var(--color-accent);
  background: var(--color-accent);
  color: #fff;
  font-size: 14px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: var(--transition);
}

.btn:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--color-accent);
}

.btn-ghost:hover {
  background: var(--color-accent);
  color: #fff;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- Product swiper ---------- */
.product-section {
  background: var(--color-bg-soft);
  padding: 48px 0 56px;
  margin-top: 20px;
}

.product-swiper {
  padding: 8px 4px 36px;
}

.product-card {
  background: #fff;
  border: 1px solid var(--color-border);
  overflow: hidden;
  height: 100%;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.product-card:hover {
  border-color: var(--color-wood);
  box-shadow: var(--shadow-soft);
}

.product-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: #f7f2ea;
}

.product-card .product-info {
  padding: 14px 14px 18px;
}

.product-card h3 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  text-align: center;
}

.product-card .meta {
  font-size: 13px;
  color: var(--color-text-light);
  text-align: center;
}

.product-swiper .swiper-pagination-bullet-active {
  background: var(--color-accent);
}

.product-swiper .swiper-button-prev,
.product-swiper .swiper-button-next {
  color: var(--color-accent);
}

.product-swiper .swiper-button-prev::after,
.product-swiper .swiper-button-next::after {
  font-size: 18px;
}

/* ---------- News list ---------- */
.news-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-line);
}

.news-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--color-line);
}

.news-date {
  text-align: center;
  color: var(--color-accent);
}

.news-date .day {
  display: block;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.1;
}

.news-date .ym {
  display: block;
  font-size: 12px;
  color: var(--color-text-light);
  margin-top: 4px;
}

.news-item h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 600;
}

.news-item h3 a:hover {
  color: var(--color-accent);
}

.news-item p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------- Page banner (inner pages) ---------- */
.page-banner {
  background: #2a1810;
  color: #f5e6d3;
  padding: 48px 0;
  text-align: center;
}

.page-banner h1 {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: 34px;
  letter-spacing: 0.12em;
}

.page-banner p {
  margin: 0;
  color: #d4b896;
  font-size: 15px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding: 16px 0;
  font-size: 13px;
  color: var(--color-text-light);
}

.breadcrumb a:hover {
  color: var(--color-accent);
}

.breadcrumb .sep {
  opacity: 0.5;
}

/* ---------- Content pages ---------- */
.content-wrap {
  padding: 20px 0 60px;
}

.prose {
  max-width: 820px;
  margin: 0 auto;
}

.prose h2 {
  color: var(--color-accent);
  font-size: 22px;
  margin: 32px 0 14px;
}

.prose p {
  color: var(--color-text-muted);
  margin: 0 0 14px;
}

.prose ul {
  margin: 0 0 16px;
  padding-left: 1.2em;
  list-style: disc;
  color: var(--color-text-muted);
}

.prose li {
  margin-bottom: 8px;
}

/* ---------- Product detail ---------- */
.product-detail-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
  margin-bottom: 40px;
}

.product-detail-gallery {
  min-width: 0;
  border: 1px solid var(--color-border);
  background: #f7f2ea;
  overflow: hidden;
}

.product-detail-swiper {
  width: 100%;
}

.product-detail-swiper .swiper-slide img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
}

.product-detail-swiper .swiper-button-prev,
.product-detail-swiper .swiper-button-next {
  color: var(--color-accent);
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.85);
  border-radius: 50%;
}

.product-detail-swiper .swiper-button-prev::after,
.product-detail-swiper .swiper-button-next::after {
  font-size: 14px;
  font-weight: 700;
}

.product-detail-swiper .swiper-pagination-bullet-active {
  background: var(--color-accent);
}

.product-detail-empty {
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  color: var(--color-text-light);
  background: var(--color-bg-soft);
}

.product-detail-info h1 {
  margin: 0 0 12px;
  color: var(--color-accent);
  font-size: clamp(24px, 3vw, 32px);
  font-family: var(--font-serif);
  letter-spacing: 0.06em;
  line-height: 1.35;
}

.product-detail-sub {
  margin: 0 0 12px;
  color: var(--color-text-muted);
  font-size: 15px;
}

.product-detail-meta {
  margin: 0 0 22px;
  color: var(--color-text-light);
  font-size: 13px;
}

.product-detail-body {
  border-top: 1px solid var(--color-line);
  padding-top: 28px;
}

.product-detail-body .section-title {
  margin-bottom: 16px;
}

.product-detail-prose {
  max-width: none;
  margin: 0;
}

.product-detail-prose img {
  max-width: 100%;
  height: auto;
}

.idea-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin: 28px 0;
}

.idea-item {
  border: 1px solid var(--color-border);
  padding: 22px 20px;
  background: var(--color-bg-soft);
}

.idea-item h3 {
  margin: 0 0 10px;
  font-size: 16px;
  color: var(--color-accent);
}

.idea-item p {
  margin: 0;
  font-size: 14px;
  color: var(--color-text-muted);
}

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

.product-catalog .product-card.is-hidden {
  display: none;
}

/* ---------- Category filter (products page) ---------- */
.category-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 8px 0 28px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-line);
}

.category-nav button,
.category-nav a {
  appearance: none;
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-text-muted);
  padding: 8px 18px;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  border-radius: var(--radius);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.category-nav button:hover,
.category-nav a:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.category-nav button.is-active,
.category-nav a.is-active {
  color: #fff;
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.product-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.product-toolbar .result-count {
  font-size: 13px;
  color: var(--color-text-light);
}

/* ---------- Pagination ---------- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 36px 0 12px;
}

.pagination button,
.pagination span {
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-text-muted);
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
}

.pagination button:hover:not(:disabled) {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.pagination button.is-active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
  cursor: default;
}

.pagination button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pagination .page-ellipsis {
  border: 0;
  background: transparent;
  cursor: default;
  min-width: 24px;
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--color-border);
  margin-bottom: 12px;
  background: #fff;
}

.faq-item summary {
  cursor: pointer;
  padding: 16px 20px;
  font-weight: 600;
  list-style: none;
  position: relative;
  padding-right: 42px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-accent);
  font-size: 20px;
}

.faq-item[open] summary::after {
  content: "–";
}

.faq-item .faq-body {
  padding: 0 20px 18px;
  color: var(--color-text-muted);
  font-size: 14px;
  border-top: 1px solid var(--color-line);
}

.faq-item .faq-body p {
  margin: 14px 0 0;
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 36px;
  align-items: start;
}

.contact-info h2 {
  margin: 0 0 16px;
  color: var(--color-accent);
  font-size: 22px;
}

.contact-info dl {
  margin: 0;
}

.contact-info dt {
  font-size: 13px;
  color: var(--color-text-light);
  margin-top: 14px;
}

.contact-info dd {
  margin: 4px 0 0;
  font-size: 16px;
  color: var(--color-text);
}

.contact-form {
  border: 1px solid var(--color-border);
  padding: 28px 24px;
  background: var(--color-bg-soft);
}

.contact-form h3 {
  margin: 0 0 18px;
  font-size: 18px;
}

.form-row {
  margin-bottom: 14px;
}

.form-row label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--color-text-muted);
}

.form-row input,
.form-row textarea {
  width: 100%;
  border: 1px solid var(--color-border);
  background: #fff;
  padding: 10px 12px;
  outline: none;
  transition: border-color var(--transition);
}

.form-row input:focus,
.form-row textarea:focus {
  border-color: var(--color-accent);
}

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

.form-tip {
  margin: 12px 0 0;
  font-size: 12px;
  color: var(--color-text-light);
}

/* ---------- Footer ---------- */
.site-footer {
  background: #1f1612;
  color: #cfc4b8;
  padding: 48px 0 24px;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr repeat(3, 1fr);
  gap: 28px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .brand-name {
  color: #f5e6d3;
  font-size: 24px;
}

.footer-brand p {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: #a89a8c;
}

.footer-col h4 {
  margin: 0 0 14px;
  color: #f5e6d3;
  font-size: 15px;
  font-weight: 600;
}

.footer-col a {
  display: block;
  font-size: 13px;
  color: #a89a8c;
  padding: 4px 0;
}

.footer-col a:hover {
  color: #f5e6d3;
}

.footer-hotline {
  margin-top: 10px;
}

.footer-hotline strong {
  display: block;
  color: #f5e6d3;
  font-size: 20px;
  margin-top: 4px;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-top: 20px;
  font-size: 12px;
  color: #8a7d70;
}

.footer-bottom a:hover {
  color: #f5e6d3;
}

/* ---------- Float tools ---------- */
.float-tools {
  position: fixed;
  right: 18px;
  bottom: 28px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.float-tools a,
.float-tools button {
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 2px;
  background: var(--color-accent);
  color: #fff;
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 12px;
  box-shadow: 0 6px 16px rgba(155, 28, 28, 0.28);
}

.float-tools a:hover,
.float-tools button:hover {
  background: var(--color-accent-hover);
}

/* ---------- Search modal ---------- */
.search-modal {
  position: fixed;
  inset: 0;
  background: rgba(20, 12, 8, 0.55);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 18vh;
  z-index: 200;
}

.search-modal.is-open {
  display: flex;
}

.search-panel {
  width: min(92vw, 520px);
  background: #fff;
  padding: 24px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
}

.search-panel form {
  display: flex;
  gap: 10px;
}

.search-panel input {
  flex: 1;
  border: 1px solid var(--color-border);
  padding: 12px 14px;
  outline: none;
}

.search-panel input:focus {
  border-color: var(--color-accent);
}

.search-close {
  margin-top: 14px;
  background: none;
  border: 0;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 13px;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .header-hotline {
    position: static;
    transform: none;
  }

  .header-brand {
    flex-direction: column;
    gap: 10px;
  }

  .nav-search {
    position: static;
    transform: none;
  }

  .nav-inner {
    flex-wrap: wrap;
    justify-content: space-between;
    padding: 8px 0;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 860px) {
  .feature-grid,
  .media-grid,
  .intro-block,
  .contact-grid,
  .idea-grid,
  .product-catalog,
  .product-detail-top {
    grid-template-columns: 1fr;
  }

  /* 一行三列：手机端改为一列 */
  .home-grid.cols-3 {
    grid-template-columns: 1fr !important;
  }

  /* 一行四列 / 两列：手机端保持两列，避免过小 */
  .home-grid.cols-2,
  .home-grid.cols-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 12px;
  }

  .nav-toggle {
    display: block;
    position: relative;
    z-index: 5;
  }

  .nav-inner {
    justify-content: space-between;
    flex-wrap: wrap;
  }

  .nav-search {
    position: relative;
    right: auto;
    top: auto;
    transform: none;
    z-index: 5;
  }

  .nav-list {
    display: none;
    width: 100%;
    flex-direction: column;
    background: #fff;
    border-top: 1px solid var(--color-line);
    order: 3;
  }

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

  .nav-list > li > a {
    border-top: 0;
    border-left: 3px solid transparent;
    padding: 12px 16px;
  }

  .nav-list > li > a.is-active,
  .nav-list > li > a:hover {
    border-left-color: var(--color-accent);
    border-top-color: transparent;
    background: var(--color-bg-soft);
  }

  .submenu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    border: 0;
    background: var(--color-bg-soft);
    display: none;
  }

  .nav-list > li.is-open .submenu {
    display: block;
  }

  .hero-swiper .swiper-button-prev,
  .hero-swiper .swiper-button-next {
    display: none;
  }

  .section-title {
    font-size: 20px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .brand-name {
    font-size: 24px;
  }

  .news-item {
    grid-template-columns: 56px 1fr;
    gap: 12px;
  }

  .float-tools {
    right: 10px;
    bottom: 16px;
  }
}