/* ==========================================================================
   Big Beautiful Lashes · 大漂亮睫毛   产品展示
   粉色系 / 清新柔和 + 左侧固定分区导航 + 详情弹窗 + 中英双语
   ========================================================================== */

:root {
  --pink-50:  #fff7fa;
  --pink-100: #ffeef5;
  --pink-200: #ffdbe8;
  --pink-300: #ffc2d8;
  --pink-400: #ff9dc0;
  --pink-500: #f77aa7;
  --pink-600: #e35c8e;
  --pink-700: #c24272;
  --ink:      #443039;
  --ink-soft: #7d6670;
  --ink-mute: #a08e97;
  --line:     #f6dfe9;
  --white:    #ffffff;
  --radius:   16px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(226, 130, 168, .08);
  --shadow-md: 0 6px 20px rgba(226, 130, 168, .14);
  --shadow-lg: 0 14px 34px rgba(226, 130, 168, .20);
  --sidebar-w: 216px;          /* 侧边栏宽度 */
  --sidebar-gap: 30px;         /* 侧边栏与内容间距 */
  --content-max: 1180px;       /* 主内容最大宽度 */
  --breakpoint: 768px;         /* 窄于此值隐藏侧边栏 */
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB",
               "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, var(--pink-100), transparent 60%),
    radial-gradient(900px 460px at 90% 0%, #fdf1ff, transparent 55%),
    var(--pink-50);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body.modal-open { overflow: hidden; }

img { max-width: 100%; }

/* ==========================================================================
   左侧固定侧边导航
   ========================================================================== */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  z-index: 40;
  background: linear-gradient(180deg, #fff 0%, var(--pink-50) 100%);
  border-right: 1px solid var(--line);
  box-shadow: 2px 0 18px rgba(226, 130, 168, .07);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.sidebar-inner {
  padding: 22px 16px 26px;
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.sidebar-brand {
  display: block;
  text-decoration: none;
  padding: 10px 12px 14px;
  border-bottom: 1px dashed var(--pink-200);
  margin-bottom: 16px;
}

.sidebar-brand-en {
  display: block;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .04em;
  color: var(--pink-700);
  line-height: 1.3;
}

.sidebar-brand-cn {
  display: block;
  margin-top: 2px;
  font-size: 12px;
  color: var(--ink-mute);
  letter-spacing: .08em;
}

.sidebar-label {
  margin: 0 0 10px 12px;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.sidebar-nav { display: grid; gap: 4px; }

.nav-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--ink-soft);
  border: 1px solid transparent;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}

.nav-item:hover {
  background: var(--pink-100);
  color: var(--pink-700);
}

/* 当前浏览分区：粉色底色标记 */
.nav-item.active {
  background: linear-gradient(135deg, var(--pink-200), var(--pink-100));
  border-color: var(--pink-300);
  color: var(--pink-700);
  box-shadow: inset 3px 0 0 var(--pink-500);
}

.nav-text { min-width: 0; }

.nav-en {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-cn {
  display: block;
  font-size: 11.5px;
  color: var(--ink-mute);
  line-height: 1.4;
}

.nav-item.active .nav-cn { color: var(--pink-600); }

.nav-count {
  flex: 0 0 auto;
  min-width: 22px;
  padding: 1px 6px;
  text-align: center;
  font-size: 11px;
  font-weight: 700;
  color: var(--pink-600);
  background: var(--white);
  border: 1px solid var(--pink-200);
  border-radius: 999px;
}

.nav-item.active .nav-count {
  color: #fff;
  background: var(--pink-500);
  border-color: var(--pink-500);
}

.sidebar-foot {
  margin: auto 0 0;
  padding: 16px 12px 0;
  border-top: 1px dashed var(--pink-200);
  font-size: 11.5px;
  color: var(--ink-mute);
  line-height: 1.7;
}

/* ==========================================================================
   主内容区（避开侧边栏，width >= 768px 时留出左边距）
   ========================================================================== */
.main { min-height: 100vh; }

.content {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 24px 40px;
}

@media (min-width: 768px) {
  .content,
  .site-header .header-inner,
  .site-footer .footer-grid,
  .site-footer .copyright {
    margin-left: calc(var(--sidebar-w) + var(--sidebar-gap));
    margin-right: auto;
    max-width: var(--content-max);
  }
  .site-header .header-inner,
  .site-footer .footer-grid,
  .site-footer .copyright {
    padding-left: 24px;
    padding-right: 24px;
  }
}

/* ---------------- 顶部总标题 ---------------- */
.site-header {
  text-align: center;
  padding: 52px 0 38px;
  margin-bottom: 36px;
  background: linear-gradient(170deg, #fff 0%, var(--pink-100) 55%, var(--pink-50) 100%);
  border-bottom: 1px solid var(--line);
}

.site-header .eyebrow {
  margin: 0 0 10px;
  font-size: 12.5px;
  letter-spacing: .2em;
  color: var(--pink-600);
  text-transform: uppercase;
}

.site-title {
  margin: 0;
  font-size: clamp(28px, 4.4vw, 44px);
  font-weight: 800;
  letter-spacing: .04em;
  color: var(--pink-700);
  text-shadow: 0 2px 0 #fff, 0 8px 22px rgba(226, 130, 168, .16);
}

.site-title-cn {
  margin: 6px 0 0;
  font-size: clamp(15px, 2.2vw, 19px);
  font-weight: 600;
  letter-spacing: .22em;
  color: var(--pink-600);
}

.site-subtitle {
  margin: 8px 0 0;
  font-size: clamp(12px, 1.7vw, 15px);
  letter-spacing: .16em;
  color: var(--ink-soft);
}

.site-note {
  display: inline-block;
  margin: 18px 0 0;
  padding: 7px 18px;
  max-width: 100%;
  font-size: 12px;
  color: var(--pink-700);
  background: var(--white);
  border: 1px solid var(--pink-200);
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
}

/* ---------------- 分区 ---------------- */
.section { margin: 42px 0 0; scroll-margin-top: 24px; }

.section-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
  padding-bottom: 12px;
  margin-bottom: 22px;
  border-bottom: 2px solid var(--pink-200);
}

.section-title {
  position: relative;
  margin: 0;
  padding-left: 16px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

.section-title::before {
  content: "";
  position: absolute;
  left: 0; top: .35em;
  width: 6px; height: 1.05em;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--pink-400), var(--pink-600));
}

.section-en {
  font-size: clamp(18px, 2.4vw, 23px);
  font-weight: 700;
  color: var(--pink-700);
}

.section-cn {
  font-size: clamp(12px, 1.6vw, 14px);
  font-weight: 500;
  color: var(--ink-mute);
}

.section-count {
  font-size: 12.5px;
  color: var(--ink-mute);
  background: var(--white);
  border: 1px solid var(--pink-200);
  border-radius: 999px;
  padding: 3px 12px;
}

/* ---------------- 网格：PC 4 / 平板 2 / 手机 1 ---------------- */
.grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}

/* ---------------- 产品卡片 ---------------- */
.card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

.card:hover,
.card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--pink-300);
  box-shadow: var(--shadow-lg);
  outline: none;
}

.card:focus-visible { box-shadow: var(--shadow-lg), 0 0 0 3px var(--pink-200); }

/* 正方形产品图，居中裁剪不变形 */
.card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: linear-gradient(150deg, var(--pink-100), #fff);
  overflow: hidden;
}

.card-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform .35s ease;
}

.card:hover .card-media img { transform: scale(1.04); }

.card-media .no-img {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12.5px;
  color: var(--ink-mute);
  text-align: center;
  padding: 0 12px;
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 15px 16px 17px;
  flex: 1;
}

.card-name {
  margin: 0;
  line-height: 1.35;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

/* 双语：英文主标题 + 中文副标题 */
.bi-en {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--ink);
}

.bi-cn {
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-mute);
  letter-spacing: .03em;
}

.card-code { line-height: 1; }

.code-tag {
  display: inline-block;
  padding: 2px 9px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--pink-600);
  background: var(--pink-100);
  border: 1px solid var(--pink-200);
  border-radius: 999px;
}

/* 规格信息行 */
.spec-list {
  margin: 2px 0 0;
  display: grid;
  gap: 6px;
  font-size: 12.5px;
  min-height: 62px;
}

.spec-row { display: flex; gap: 8px; align-items: baseline; }

.spec-row dt {
  flex: 0 0 84px;
  margin: 0;
  font-size: 11px;
  color: var(--ink-mute);
  line-height: 1.4;
}

.spec-row dd {
  margin: 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  word-break: break-word;
}

.spec-row dd .bi-en { font-size: 12.5px; font-weight: 600; color: var(--ink); }
.spec-row dd .bi-cn { font-size: 11px; color: var(--ink-mute); }

/* 价格与库存 */
.card-foot {
  margin-top: auto;
  padding-top: 11px;
  border-top: 1px dashed var(--pink-200);
  display: grid;
  gap: 8px;
}

.price-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  font-size: 13.5px;
}

.price-label {
  font-size: 10.5px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-right: 4px;
}

.price-retail { font-weight: 700; color: var(--pink-600); }
.price-wholesale { color: var(--ink-soft); }

.stock-row { display: flex; align-items: center; gap: 8px; }

.stock-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 11px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  background: var(--pink-100);
  color: var(--pink-700);
  border: 1px solid var(--pink-200);
}

.stock-pill::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.stock-pill.out {
  background: #fdf0f3;
  color: #b08494;
  border-color: #f3dde4;
}

/* ---------------- 状态提示 ---------------- */
.loading,
.load-error {
  margin: 60px auto;
  max-width: 620px;
  text-align: center;
  font-size: 14px;
  color: var(--ink-soft);
}

.load-error {
  padding: 20px 24px;
  background: #fff;
  border: 1px solid var(--pink-200);
  border-left: 4px solid var(--pink-500);
  border-radius: var(--radius-sm);
  text-align: left;
  line-height: 1.8;
}

.load-error code {
  background: var(--pink-100);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 12.5px;
  color: var(--pink-700);
}

/* ==========================================================================
   产品详情弹窗
   ========================================================================== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal[hidden] { display: none; }

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(68, 48, 57, .42);
  backdrop-filter: blur(2px);
  animation: fadeIn .18s ease;
}

.modal-dialog {
  position: relative;
  width: min(880px, 100%);
  max-height: min(88vh, 780px);
  overflow: auto;
  background: var(--white);
  border: 1px solid var(--pink-200);
  border-radius: 20px;
  box-shadow: 0 24px 60px rgba(150, 70, 105, .28);
  animation: popIn .22s ease;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes popIn {
  from { opacity: 0; transform: translateY(14px) scale(.98); }
  to   { opacity: 1; transform: none; }
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 14px;
  z-index: 2;
  width: 34px;
  height: 34px;
  font-size: 22px;
  line-height: 1;
  color: var(--pink-700);
  background: rgba(255, 255, 255, .92);
  border: 1px solid var(--pink-200);
  border-radius: 50%;
  cursor: pointer;
  transition: background .18s ease, transform .18s ease;
}

.modal-close:hover { background: var(--pink-100); transform: rotate(90deg); }

.modal-body {
  display: grid;
  grid-template-columns: minmax(0, 340px) minmax(0, 1fr);
  gap: 0;
}

.m-media {
  position: relative;
  aspect-ratio: 1 / 1;
  background: linear-gradient(150deg, var(--pink-100), #fff);
  border-right: 1px solid var(--line);
  overflow: hidden;
}

.m-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.m-media .no-img {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-mute);
  font-size: 13px;
}

.m-info {
  padding: 26px 26px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.m-name {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-right: 34px;
}

.m-name .bi-en { font-size: 22px; font-weight: 800; color: var(--pink-700); line-height: 1.25; }
.m-name .bi-cn { font-size: 14px; color: var(--ink-soft); letter-spacing: .04em; }

.m-code {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 9px;
  flex-wrap: wrap;
}

.m-code .code-tag { font-size: 12.5px; }

.m-code-label {
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.m-cat { margin: 0; display: flex; flex-direction: column; }
.m-cat .bi-en { font-size: 13.5px; font-weight: 600; color: var(--pink-600); }
.m-cat .bi-cn { font-size: 12px; }

.m-list {
  margin: 4px 0 0;
  padding: 14px 0 0;
  border-top: 1px dashed var(--pink-200);
  display: grid;
  gap: 9px;
}

.m-row { display: flex; gap: 12px; align-items: baseline; }

.m-row dt {
  flex: 0 0 108px;
  margin: 0;
  display: flex;
  flex-direction: column;
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-soft);
}

.m-dt-cn { font-size: 11px; font-weight: 400; color: var(--ink-mute); }

.m-row dd {
  margin: 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  word-break: break-word;
}

.m-row dd .bi-en { font-size: 13.5px; font-weight: 600; color: var(--ink); }
.m-row dd .bi-cn { font-size: 12px; }

.m-price {
  padding-top: 14px;
  border-top: 1px dashed var(--pink-200);
}

.m-price .price-row { font-size: 16px; gap: 6px 20px; }
.m-price .price-retail { font-size: 19px; }

.m-stock { display: flex; }

.m-contact {
  margin-top: 6px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.m-contact-title {
  flex: 1 0 100%;
  margin: 0 0 2px;
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.m-btn {
  display: inline-block;
  padding: 9px 20px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  color: var(--pink-700);
  background: var(--white);
  border: 1px solid var(--pink-300);
  border-radius: 999px;
  transition: background .18s ease, transform .18s ease, box-shadow .18s ease;
}

.m-btn:hover { background: var(--pink-100); transform: translateY(-1px); }

.m-btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--pink-500), var(--pink-600));
  border-color: transparent;
  box-shadow: 0 6px 16px rgba(226, 92, 142, .3);
}

.m-btn-primary:hover {
  background: linear-gradient(135deg, var(--pink-600), var(--pink-700));
}

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer {
  margin-top: 66px;
  padding: 42px 0 24px;
  background: linear-gradient(180deg, var(--pink-100), #fff);
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 30px;
}

.footer-brand { margin: 0; font-size: 20px; color: var(--pink-700); }

.footer-brand-cn {
  margin: 4px 0 0;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--pink-600);
}

.footer-en {
  margin: 6px 0 0;
  font-size: 12.5px;
  letter-spacing: .12em;
  color: var(--ink-soft);
}

.footer-factory {
  margin: 10px 0 0;
  font-size: 12.5px;
  color: var(--ink-mute);
  line-height: 1.7;
}

.site-footer h3 { margin: 0 0 12px; font-size: 14.5px; color: var(--pink-700); }

.contact-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  font-size: 13px;
}

.contact-list li { display: flex; gap: 10px; flex-wrap: wrap; }
.contact-list span { flex: 0 0 104px; color: var(--ink-mute); font-size: 12.5px; }

.contact-list a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--pink-200);
}

.contact-list a:hover { color: var(--pink-600); border-color: var(--pink-400); }

.copyright {
  margin: 32px 0 0;
  padding: 16px 24px 0;
  border-top: 1px solid var(--line);
  text-align: center;
  font-size: 12px;
  color: var(--ink-mute);
}

/* ==========================================================================
   响应式：平板 2 列
   ========================================================================== */
@media (max-width: 1024px) {
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
  .site-header { padding: 44px 0 32px; }
  .modal-body { grid-template-columns: minmax(0, 280px) minmax(0, 1fr); }
}

/* ==========================================================================
   响应式：窄于 768px 隐藏侧边栏，恢复上下滚动浏览
   ========================================================================== */
@media (max-width: 767px) {
  .sidebar { display: none; }
  .site-header { padding: 36px 0 28px; margin-bottom: 26px; }
  .content { padding: 0 16px 32px; }
  .grid { grid-template-columns: 1fr; gap: 18px; }
  .section { margin-top: 34px; }
  .spec-list { min-height: 0; }
  .card-media img { transition: none; }
  .card:hover { transform: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 22px; }

  /* 弹窗在手机上改为上下堆叠 */
  .modal { padding: 14px; align-items: flex-start; }
  .modal-dialog { max-height: 92vh; }
  .modal-body { grid-template-columns: 1fr; }
  .m-media { border-right: none; border-bottom: 1px solid var(--line); aspect-ratio: 1 / 1; }
  .m-media img { position: relative; }
  .m-media .no-img { position: relative; padding: 60px 0; }
  .m-info { padding: 20px 18px 22px; }
  .m-row dt { flex: 0 0 84px; }
  .footer-grid,
  .copyright { margin-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}