/* ============================================================
   SOSOTTO — 高端珠宝批发官网
   视觉调性：参考梵克雅宝 —— 大面积留白、柔和色调、精致细节
   ============================================================ */

:root {
  --ivory: #FBF9F6;
  --ivory-deep: #F5F0E9;
  --white: #FFFFFF;
  --ink: #2A2521;
  --ink-soft: #554C43;
  --muted: #8E8378;
  --line: #E7DFD4;
  --gold: #A98B5F;
  --gold-deep: #8C7148;
  --gold-soft: #E5D7BF;
  --sage: #8CA396;
  --blush: #EAD8CE;
  --rose: #C99A8C;
  --radius: 2px;
  --font-serif: "Cormorant Garamond", "Noto Serif SC", "Songti SC", "SimSun", serif;
  --font-body: "Jost", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --shadow-soft: 0 18px 45px rgba(42, 37, 33, 0.08);
  --shadow-hover: 0 26px 60px rgba(42, 37, 33, 0.14);
  --ease: cubic-bezier(0.25, 0.8, 0.3, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--ivory);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select, textarea { font-family: inherit; color: var(--ink); }
ul, ol { list-style: none; }

::selection { background: var(--gold-soft); color: var(--ink); }

.container { width: min(1240px, 92%); margin: 0 auto; }

/* ---------- 排版 ---------- */
h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 500; color: var(--ink); }

.eyebrow {
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 18px;
}

.section-title {
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.25;
  letter-spacing: 0.04em;
}

.section-sub { color: var(--muted); max-width: 560px; margin-top: 14px; font-size: 15px; }

.section { padding: clamp(64px, 9vw, 120px) 0; }
.section-tight { padding: clamp(44px, 6vw, 80px) 0; }

.section-head { text-align: center; margin-bottom: clamp(36px, 5vw, 64px); }
.section-head .section-sub { margin-left: auto; margin-right: auto; }

.divider-flower {
  display: flex; align-items: center; justify-content: center; gap: 16px;
  color: var(--gold); margin: 6px 0 0;
}
.divider-flower::before, .divider-flower::after {
  content: ""; width: 56px; height: 1px; background: var(--gold-soft);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-size: 13px; letter-spacing: 0.22em; text-transform: uppercase;
  padding: 15px 38px; border: 1px solid var(--ink);
  background: transparent; color: var(--ink);
  transition: all 0.45s var(--ease);
  border-radius: var(--radius);
}
.btn:hover { background: var(--ink); color: var(--ivory); }
.btn-gold { border-color: var(--gold-deep); color: var(--gold-deep); }
.btn-gold:hover { background: var(--gold-deep); color: var(--white); }
.btn-solid { background: var(--ink); color: var(--ivory); border-color: var(--ink); }
.btn-solid:hover { background: var(--gold-deep); border-color: var(--gold-deep); }
.btn-quiet { border-color: var(--line); color: var(--ink-soft); }
.btn-quiet:hover { border-color: var(--ink); background: var(--ink); color: var(--ivory); }
.btn-sm { padding: 10px 22px; font-size: 12px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.text-link {
  font-size: 13px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--gold-deep); border-bottom: 1px solid transparent;
  padding-bottom: 2px; transition: border-color 0.3s;
}
.text-link:hover { border-color: var(--gold-deep); }

/* ---------- Header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 90;
  background: transparent;
  transition: background 0.4s, box-shadow 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(251, 249, 246, 0.94);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
  box-shadow: 0 6px 30px rgba(42, 37, 33, 0.05);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 86px;
}
.logo {
  font-family: var(--font-serif);
  font-size: 26px; letter-spacing: 0.34em; font-weight: 500;
  color: var(--ink);
}
.logo em { font-style: normal; color: var(--gold-deep); }

.main-nav { display: flex; gap: 34px; align-items: center; }
.main-nav a {
  font-size: 13.5px; letter-spacing: 0.14em; color: var(--ink-soft);
  position: relative; padding: 6px 0; transition: color 0.3s;
}
.main-nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 0; height: 1px; background: var(--gold-deep);
  transition: width 0.4s var(--ease);
}
.main-nav a:hover, .main-nav a.active { color: var(--ink); }
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 20px; }
.lang-switch {
  font-size: 12px; letter-spacing: 0.14em; color: var(--muted);
  display: flex; gap: 6px; align-items: center;
}
.lang-switch button {
  color: var(--muted); font-size: 12px; letter-spacing: 0.1em; padding: 4px 2px;
  transition: color 0.3s;
}
.lang-switch button.active { color: var(--gold-deep); border-bottom: 1px solid var(--gold-deep); }
.lang-switch .sep { color: var(--line); }

.icon-btn {
  position: relative; width: 38px; height: 38px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--ink-soft); transition: color 0.3s;
}
.icon-btn:hover { color: var(--gold-deep); }
.icon-btn svg { width: 21px; height: 21px; }
.icon-btn .badge {
  position: absolute; top: 0; right: -2px;
  min-width: 17px; height: 17px; padding: 0 4px;
  background: var(--gold-deep); color: var(--white);
  border-radius: 999px; font-size: 10.5px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-body); letter-spacing: 0;
}
.icon-btn .badge.hidden { display: none; }

.user-chip {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; letter-spacing: 0.08em; color: var(--ink-soft);
  padding: 7px 14px; border: 1px solid var(--line);
  transition: all 0.3s;
}
.user-chip:hover { border-color: var(--gold-deep); color: var(--gold-deep); }

.header-cta {
  font-size: 12.5px; letter-spacing: 0.18em; text-transform: uppercase;
  border: 1px solid var(--ink); padding: 10px 22px;
  transition: all 0.35s;
}
.header-cta:hover { background: var(--ink); color: var(--ivory); }

.menu-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.menu-toggle span { width: 22px; height: 1.5px; background: var(--ink); transition: all 0.3s; }

/* 移动端抽屉 */
.mobile-nav {
  display: none; position: fixed; inset: 86px 0 0 0; z-index: 85;
  background: var(--ivory); padding: 30px 6%;
  flex-direction: column; gap: 4px;
}
.mobile-nav.open { display: block; }
.mobile-nav a {
  font-family: var(--font-serif); font-size: 22px; padding: 13px 0;
  border-bottom: 1px solid var(--line); color: var(--ink-soft);
}
.mobile-nav .m-actions { display: flex; gap: 14px; margin-top: 24px; }

/* ---------- Hero ---------- */
.hero {
  position: relative; height: 100vh; min-height: 640px;
  overflow: hidden;
}
.hero-slide {
  position: absolute; inset: 0; opacity: 0;
  transition: opacity 1.4s var(--ease);
  background-size: cover; background-position: center;
}
.hero-slide.active { opacity: 1; }
.hero-slide::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(42,37,33,0.16), rgba(42,37,33,0.30));
}
.hero-content {
  position: absolute; inset: 0; z-index: 2;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; color: var(--white); padding: 0 8%;
}
.hero-eyebrow {
  font-size: 13px; letter-spacing: 0.55em; text-transform: uppercase;
  color: rgba(255,255,255,0.85); margin-bottom: 26px;
}
.hero-title {
  font-size: clamp(40px, 6vw, 76px); line-height: 1.18; letter-spacing: 0.06em;
  color: var(--white); font-weight: 400;
  text-shadow: 0 4px 30px rgba(42,37,33,0.35);
}
.hero-sub {
  margin-top: 22px; max-width: 560px;
  color: rgba(255,255,255,0.92); font-size: 16.5px; font-weight: 300; letter-spacing: 0.06em;
}
.hero-btns { margin-top: 44px; display: flex; gap: 18px; flex-wrap: wrap; justify-content: center; }
.btn-inverse { border-color: rgba(255,255,255,0.85); color: var(--white); }
.btn-inverse:hover { background: var(--white); color: var(--ink); }
.btn-ghost-w { border-color: rgba(255,255,255,0.4); color: rgba(255,255,255,0.9); }
.btn-ghost-w:hover { border-color: var(--white); background: transparent; color: var(--white); }

.hero-dots {
  position: absolute; bottom: 38px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 12px; z-index: 3;
}
.hero-dots button {
  width: 34px; height: 2px; background: rgba(255,255,255,0.38);
  transition: background 0.4s;
}
.hero-dots button.active { background: var(--white); }

.hero-scroll {
  position: absolute; bottom: 36px; right: 6%; z-index: 3;
  writing-mode: vertical-rl; font-size: 11px; letter-spacing: 0.4em;
  color: rgba(255,255,255,0.7); text-transform: uppercase;
}

/* ---------- 系列卡片 ---------- */
.series-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px;
}
.series-card { position: relative; overflow: hidden; display: block; }
.series-card .frame {
  aspect-ratio: 4 / 5; overflow: hidden; background: var(--ivory-deep);
}
.series-card img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 1.2s var(--ease);
}
.series-card:hover img { transform: scale(1.06); }
.series-card .veil {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 46%, rgba(42,37,33,0.55));
  opacity: 0.85; transition: opacity 0.5s;
}
.series-card:hover .veil { opacity: 1; }
.series-card .caption {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
  padding: 30px; text-align: center; color: var(--white);
}
.series-card .caption h3 {
  color: var(--white); font-size: 26px; letter-spacing: 0.16em;
}
.series-card .caption p {
  font-size: 12.5px; letter-spacing: 0.3em; text-transform: uppercase;
  color: rgba(255,255,255,0.8); margin-top: 8px;
}

/* ---------- 商品卡片 ---------- */
.product-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px 22px;
}
.product-card {
  background: var(--white); border: 1px solid var(--line);
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease), border-color 0.5s;
  display: flex; flex-direction: column;
}
.product-card:hover {
  transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: var(--gold-soft);
}
.product-card .thumb {
  position: relative; aspect-ratio: 1 / 1; overflow: hidden; background: var(--ivory-deep);
}
.product-card .thumb img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 1.1s var(--ease);
}
.product-card:hover .thumb img { transform: scale(1.05); }
.product-card .tag {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  font-size: 10.5px; letter-spacing: 0.22em; text-transform: uppercase;
  padding: 5px 12px; background: rgba(251,249,246,0.94); color: var(--gold-deep);
}
.product-card .hover-view {
  position: absolute; inset: auto 0 0 0; z-index: 2;
  padding: 14px; display: flex; justify-content: center; gap: 10px;
  background: linear-gradient(180deg, transparent, rgba(42,37,33,0.55));
  opacity: 0; transform: translateY(8px);
  transition: all 0.45s var(--ease);
}
.product-card:hover .hover-view { opacity: 1; transform: translateY(0); }
.hover-view .btn { padding: 10px 20px; font-size: 11.5px; }
.hover-view .btn-white { background: var(--white); color: var(--ink); border-color: var(--white); }
.hover-view .btn-white:hover { background: var(--gold-deep); border-color: var(--gold-deep); color: var(--white); }

.product-card .info { padding: 20px 20px 22px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.product-card .sn { font-size: 11px; letter-spacing: 0.24em; color: var(--muted); }
.product-card h3 { font-size: 19px; letter-spacing: 0.06em; line-height: 1.4; }
.product-card .mat { font-size: 13px; color: var(--muted); }
.product-card .row-price {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-top: auto; padding-top: 12px;
}
.product-card .price { font-family: var(--font-serif); font-size: 20px; color: var(--ink); }
.product-card .moq { font-size: 11.5px; color: var(--muted); letter-spacing: 0.06em; }

/* ---------- 品牌故事摘要 ---------- */
.brand-strip {
  background: var(--ivory-deep);
}
.brand-strip .bs-grid {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(36px, 6vw, 90px);
  align-items: center;
}
.brand-strip .img-frame { position: relative; }
.brand-strip .img-frame img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.brand-strip .img-frame::after {
  content: ""; position: absolute; inset: 18px -18px -18px 18px;
  border: 1px solid var(--gold); z-index: -1; pointer-events: none;
}
.brand-copy .lead {
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.2vw, 27px); line-height: 1.7; color: var(--ink);
  margin-bottom: 22px;
}
.brand-copy p { color: var(--ink-soft); font-size: 15.5px; margin-bottom: 14px; font-weight: 300; }

/* ---------- 优势卡片 ---------- */
.adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.adv-card {
  background: var(--white); border: 1px solid var(--line);
  padding: 46px 34px; text-align: center;
  transition: transform 0.5s var(--ease), box-shadow 0.5s;
}
.adv-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
.adv-card .ico {
  width: 64px; height: 64px; margin: 0 auto 24px;
  border: 1px solid var(--gold-soft); border-radius: 999px;
  display: flex; align-items: center; justify-content: center;
  color: var(--gold-deep);
}
.adv-card .ico svg { width: 28px; height: 28px; }
.adv-card h3 { font-size: 21px; letter-spacing: 0.1em; margin-bottom: 12px; }
.adv-card p { font-size: 14px; color: var(--muted); font-weight: 300; }

/* ---------- CTA 横幅 ---------- */
.cta-banner {
  background: linear-gradient(120deg, #37483D, #55695C);
  color: var(--white); text-align: center;
}
.cta-banner h2 { color: var(--white); }
.cta-banner p { color: rgba(255,255,255,0.82); margin: 16px auto 34px; max-width: 520px; font-weight: 300; }

/* ---------- 页面标题带 ---------- */
.page-band {
  padding: 172px 0 64px;
  background: var(--ivory-deep);
  text-align: center;
}
.page-band h1 { font-size: clamp(32px, 4vw, 50px); letter-spacing: 0.1em; }
.page-band .crumbs {
  margin-top: 16px; font-size: 12px; letter-spacing: 0.2em;
  color: var(--muted); text-transform: uppercase;
}
.page-band .crumbs a:hover { color: var(--gold-deep); }

/* ---------- 商品列表页 ---------- */
.shop-layout { display: grid; grid-template-columns: 250px 1fr; gap: 44px; align-items: start; }
.filter-panel {
  background: var(--white); border: 1px solid var(--line);
  padding: 30px 26px; position: sticky; top: 110px;
}
.filter-panel h3 {
  font-size: 14px; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--ink); padding-bottom: 14px; border-bottom: 1px solid var(--line);
  margin-bottom: 18px;
}
.filter-group { margin-bottom: 24px; }
.filter-group .fg-title {
  font-size: 12px; letter-spacing: 0.18em; color: var(--muted);
  text-transform: uppercase; margin-bottom: 10px;
}
.filter-list button {
  display: flex; align-items: center; gap: 9px;
  width: 100%; text-align: left; padding: 6px 0;
  font-size: 14.5px; color: var(--ink-soft); transition: color 0.25s;
}
.filter-list button:hover { color: var(--gold-deep); }
.filter-list button.active { color: var(--gold-deep); font-weight: 500; }
.filter-list button.active::before {
  content: ""; width: 5px; height: 5px; background: var(--gold-deep);
  border-radius: 999px; display: inline-block;
}
.filter-list .count { margin-left: auto; font-size: 11.5px; color: var(--muted); }

.shop-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 26px; padding-bottom: 18px; border-bottom: 1px solid var(--line);
  flex-wrap: wrap; gap: 12px;
}
.shop-toolbar .result-count { font-size: 13.5px; color: var(--muted); letter-spacing: 0.06em; }
.shop-toolbar select {
  background: transparent; border: 1px solid var(--line);
  padding: 9px 14px; font-size: 13.5px; color: var(--ink-soft);
  outline: none; letter-spacing: 0.05em;
}
.shop-toolbar select:focus { border-color: var(--gold); }

.cat-tabs { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 30px; }
.cat-tab {
  padding: 9px 22px; font-size: 13.5px; letter-spacing: 0.1em;
  border: 1px solid var(--line); color: var(--ink-soft);
  transition: all 0.3s; background: var(--white);
}
.cat-tab:hover { border-color: var(--gold); color: var(--gold-deep); }
.cat-tab.active { background: var(--ink); border-color: var(--ink); color: var(--ivory); }

.load-more-wrap { text-align: center; margin-top: 44px; }

/* ---------- 商品详情 ---------- */
.pd-layout {
  display: grid; grid-template-columns: 1.08fr 0.92fr;
  gap: clamp(34px, 5vw, 70px); align-items: start;
}
.pd-gallery .main-img {
  position: relative; aspect-ratio: 1/1; overflow: hidden;
  background: var(--ivory-deep); cursor: zoom-in;
}
.pd-gallery .main-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease); }
.pd-gallery .main-img:hover img { transform: scale(1.05); }
.pd-gallery .zoom-hint {
  position: absolute; bottom: 14px; right: 14px;
  background: rgba(251,249,246,0.92); color: var(--ink-soft);
  font-size: 11px; letter-spacing: 0.14em; padding: 6px 12px;
}
.pd-thumbs { display: flex; gap: 12px; margin-top: 14px; }
.pd-thumbs button {
  width: 82px; aspect-ratio: 1/1; overflow: hidden;
  border: 1px solid var(--line); opacity: 0.65; transition: all 0.3s;
}
.pd-thumbs button.active { border-color: var(--gold-deep); opacity: 1; }
.pd-thumbs img { width: 100%; height: 100%; object-fit: cover; }

.pd-info h1 { font-size: clamp(26px, 3vw, 36px); line-height: 1.35; letter-spacing: 0.04em; }
.pd-info .pd-sn { font-size: 12px; letter-spacing: 0.26em; color: var(--muted); margin-top: 10px; }
.pd-price-row {
  display: flex; align-items: baseline; gap: 16px;
  margin: 26px 0; padding: 20px 0;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.pd-price { font-family: var(--font-serif); font-size: 34px; color: var(--ink); }
.pd-moq { font-size: 13px; color: var(--muted); letter-spacing: 0.06em; }

.pd-spec { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin: 24px 0; }
.pd-spec > div {
  padding: 11px 0; font-size: 14px;
  border-bottom: 1px dashed var(--line);
  display: flex; gap: 14px;
}
.pd-spec .k { color: var(--muted); min-width: 64px; letter-spacing: 0.08em; }
.pd-spec .v { color: var(--ink-soft); }

.pd-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0 18px; }
.qty-stepper {
  display: inline-flex; align-items: center;
  border: 1px solid var(--line); height: 50px;
}
.qty-stepper button { width: 46px; height: 100%; font-size: 17px; color: var(--ink-soft); transition: color 0.25s; }
.qty-stepper button:hover { color: var(--gold-deep); }
.qty-stepper input {
  width: 56px; height: 100%; border: none; text-align: center;
  background: transparent; font-size: 15px; outline: none;
  border-left: 1px solid var(--line); border-right: 1px solid var(--line);
  -moz-appearance: textfield;
}
.qty-stepper input::-webkit-outer-spin-button,
.qty-stepper input::-webkit-inner-spin-button { -webkit-appearance: none; }

.pd-desc h3 {
  font-size: 15px; letter-spacing: 0.24em; text-transform: uppercase;
  margin-bottom: 14px; color: var(--ink);
}
.pd-desc p { font-size: 15px; color: var(--ink-soft); font-weight: 300; margin-bottom: 12px; }

.pd-note {
  display: flex; gap: 12px; align-items: flex-start;
  background: var(--ivory-deep); padding: 16px 18px;
  font-size: 13px; color: var(--ink-soft); margin-top: 20px;
}
.pd-note svg { flex-shrink: 0; width: 17px; height: 17px; margin-top: 3px; color: var(--gold-deep); }

/* 图片放大层 */
.zoom-overlay {
  position: fixed; inset: 0; z-index: 200; display: none;
  background: rgba(30, 26, 22, 0.92);
  align-items: center; justify-content: center; padding: 4%;
  cursor: zoom-out;
}
.zoom-overlay.open { display: flex; }
.zoom-overlay img { max-width: 92%; max-height: 92%; object-fit: contain; }
.zoom-overlay .close-tip {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  color: rgba(255,255,255,0.75); font-size: 12px; letter-spacing: 0.3em; text-transform: uppercase;
}

/* ---------- 款式预览页 ---------- */
.collection-hero { position: relative; height: 62vh; min-height: 440px; overflow: hidden; }
.collection-hero .bg {
  position: absolute; inset: 0; background-size: cover; background-position: center;
}
.collection-hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(42,37,33,0.28), rgba(42,37,33,0.42));
}
.collection-hero .inner {
  position: absolute; inset: 0; z-index: 2;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; color: var(--white); padding: 0 10%;
}
.collection-hero h1 { color: var(--white); font-size: clamp(34px, 5vw, 58px); letter-spacing: 0.14em; }
.collection-hero p { margin-top: 18px; max-width: 600px; color: rgba(255,255,255,0.9); font-weight: 300; }

.series-switcher {
  display: flex; justify-content: center; gap: 0; flex-wrap: wrap;
  border: 1px solid var(--line); background: var(--white);
  margin: -34px auto 0; width: fit-content; position: relative; z-index: 3;
}
.series-switcher a {
  padding: 18px 34px; font-size: 14px; letter-spacing: 0.16em;
  color: var(--ink-soft); transition: all 0.3s;
  border-right: 1px solid var(--line);
}
.series-switcher a:last-child { border-right: none; }
.series-switcher a:hover { color: var(--gold-deep); }
.series-switcher a.active { background: var(--ink); color: var(--ivory); }

.masonry-grid {
  columns: 3; column-gap: 24px;
}
.masonry-grid .m-item { break-inside: avoid; margin-bottom: 24px; position: relative; display: block; overflow: hidden; }
.masonry-grid .m-item img { width: 100%; transition: transform 1.1s var(--ease); }
.masonry-grid .m-item:hover img { transform: scale(1.04); }
.masonry-grid .m-cap {
  position: absolute; inset: auto 0 0 0; padding: 44px 22px 20px;
  background: linear-gradient(180deg, transparent, rgba(42,37,33,0.72));
  color: var(--white); opacity: 0; transform: translateY(10px);
  transition: all 0.45s var(--ease);
  display: flex; align-items: flex-end; justify-content: space-between; gap: 12px;
}
.masonry-grid .m-item:hover .m-cap { opacity: 1; transform: translateY(0); }
.m-cap h4 { color: var(--white); font-size: 19px; letter-spacing: 0.08em; }
.m-cap .m-price { font-family: var(--font-serif); font-size: 17px; }
.m-cap .m-quick {
  flex-shrink: 0; border: 1px solid rgba(255,255,255,0.7); color: var(--white);
  font-size: 11px; letter-spacing: 0.16em; padding: 7px 13px; text-transform: uppercase;
  transition: all 0.3s;
}
.m-cap .m-quick:hover { background: var(--white); color: var(--ink); }

/* ---------- 关于我们 ---------- */
.about-story { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(34px, 5vw, 80px); align-items: center; }
.about-story .img-frame img { width: 100%; aspect-ratio: 3/3.4; object-fit: cover; }
.about-story .img-frame { position: relative; }
.about-story .img-frame::after {
  content: ""; position: absolute; inset: 18px -18px -18px 18px;
  border: 1px solid var(--gold); z-index: -1;
}
.timeline { max-width: 760px; margin: 0 auto; position: relative; padding-left: 34px; }
.timeline::before { content: ""; position: absolute; left: 5px; top: 6px; bottom: 6px; width: 1px; background: var(--gold-soft); }
.tl-item { position: relative; padding-bottom: 38px; }
.tl-item::before {
  content: ""; position: absolute; left: -34px; top: 8px;
  width: 11px; height: 11px; border-radius: 999px;
  background: var(--ivory); border: 1px solid var(--gold-deep);
}
.tl-item .tl-year { font-family: var(--font-serif); font-size: 24px; color: var(--gold-deep); }
.tl-item h4 { font-size: 19px; margin: 4px 0 8px; letter-spacing: 0.06em; }
.tl-item p { font-size: 14.5px; color: var(--muted); font-weight: 300; }

.value-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.value-item {
  background: var(--white); border: 1px solid var(--line);
  padding: 30px 28px;
}
.value-item h4 { font-size: 19px; letter-spacing: 0.08em; margin-bottom: 10px; }
.value-item p { font-size: 14px; color: var(--muted); font-weight: 300; }
.value-item .num { font-family: var(--font-serif); font-size: 30px; color: var(--gold-soft); }

/* ---------- 公告页 ---------- */
.notice-tabs { display: flex; justify-content: center; gap: 12px; margin-bottom: 46px; flex-wrap: wrap; }
.notice-tab {
  padding: 11px 28px; font-size: 13.5px; letter-spacing: 0.14em;
  border: 1px solid var(--line); color: var(--ink-soft); background: var(--white);
  transition: all 0.3s;
}
.notice-tab.active { background: var(--ink); color: var(--ivory); border-color: var(--ink); }

.policy-block { max-width: 860px; margin: 0 auto 56px; }
.policy-block h3 { font-size: 24px; letter-spacing: 0.1em; margin-bottom: 8px; }
.policy-block .policy-list li {
  position: relative; padding: 12px 0 12px 30px;
  border-bottom: 1px dashed var(--line);
  font-size: 15px; color: var(--ink-soft); font-weight: 300;
}
.policy-block .policy-list li::before {
  content: ""; position: absolute; left: 2px; top: 22px;
  width: 6px; height: 6px; background: var(--gold); transform: rotate(45deg);
}

.notice-item { border: 1px solid var(--line); background: var(--white); margin-bottom: 14px; }
.notice-item .ni-head {
  width: 100%; display: flex; align-items: center; gap: 18px;
  padding: 20px 26px; text-align: left; transition: background 0.3s;
}
.notice-item .ni-head:hover { background: var(--ivory-deep); }
.ni-date {
  font-family: var(--font-serif); font-size: 15px; color: var(--gold-deep);
  min-width: 96px; letter-spacing: 0.06em;
}
.ni-title { font-size: 16.5px; flex: 1; color: var(--ink); }
.ni-type {
  font-size: 11px; letter-spacing: 0.16em; padding: 4px 12px;
  background: var(--ivory-deep); color: var(--ink-soft); text-transform: uppercase;
}
.ni-arrow { color: var(--muted); transition: transform 0.35s; }
.notice-item.open .ni-arrow { transform: rotate(180deg); }
.ni-body {
  max-height: 0; overflow: hidden; transition: max-height 0.5s var(--ease);
}
.notice-item.open .ni-body { max-height: 420px; }
.ni-body .inner {
  padding: 0 26px 24px 140px; font-size: 14.5px; color: var(--ink-soft); font-weight: 300;
  border-top: 1px dashed var(--line); padding-top: 18px;
}

/* ---------- 联系我们 ---------- */
.contact-layout { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(34px, 5vw, 70px); }
.contact-cards { display: flex; flex-direction: column; gap: 18px; }
.contact-card {
  background: var(--white); border: 1px solid var(--line);
  padding: 26px 28px; display: flex; gap: 18px; align-items: flex-start;
  transition: border-color 0.3s;
}
.contact-card:hover { border-color: var(--gold-soft); }
.contact-card .ico {
  width: 44px; height: 44px; flex-shrink: 0;
  border: 1px solid var(--gold-soft); border-radius: 999px;
  display: flex; align-items: center; justify-content: center; color: var(--gold-deep);
}
.contact-card .ico svg { width: 19px; height: 19px; }
.contact-card h4 { font-size: 17px; letter-spacing: 0.08em; margin-bottom: 5px; }
.contact-card p { font-size: 14.5px; color: var(--muted); font-weight: 300; }
.qr-box {
  background: var(--white); border: 1px solid var(--line); padding: 28px;
  text-align: center;
}
.qr-placeholder {
  width: 168px; height: 168px; margin: 0 auto 16px;
  border: 1px solid var(--gold-soft);
  display: flex; align-items: center; justify-content: center;
  background:
    linear-gradient(var(--ink) 2px, transparent 2px) 0 0 / 14px 14px,
    linear-gradient(90deg, var(--ink) 2px, transparent 2px) 0 0 / 14px 14px,
    var(--white);
  opacity: 0.9;
  position: relative;
}
.qr-placeholder::after {
  content: "WeChat"; position: absolute; inset: auto 0 10px 0;
  font-size: 10px; letter-spacing: 0.2em; color: var(--gold-deep);
  background: var(--white); padding: 3px 0;
}

.form-card { background: var(--white); border: 1px solid var(--line); padding: clamp(28px, 4vw, 46px); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 20px; }
.field label {
  display: block; font-size: 12px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 8px;
}
.field label .req { color: var(--rose); margin-left: 2px; }
.field input, .field select, .field textarea {
  width: 100%; border: 1px solid var(--line); background: var(--ivory);
  padding: 13px 16px; font-size: 14.5px; outline: none;
  transition: border-color 0.3s, background 0.3s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--gold); background: var(--white);
}
.field textarea { resize: vertical; min-height: 110px; }
.field .err-msg {
  display: none; font-size: 12.5px; color: var(--rose); margin-top: 6px;
}
.field.invalid input, .field.invalid textarea, .field.invalid select { border-color: var(--rose); }
.field.invalid .err-msg { display: block; }

.form-success {
  display: none; text-align: center; padding: 46px 20px;
}
.form-success.show { display: block; }
.form-success .ok-ring {
  width: 74px; height: 74px; margin: 0 auto 22px;
  border: 1px solid var(--gold-deep); border-radius: 999px;
  display: flex; align-items: center; justify-content: center; color: var(--gold-deep);
}
.form-success h3 { font-size: 24px; margin-bottom: 10px; }
.form-success p { color: var(--muted); font-size: 14.5px; }

/* ---------- 登录注册 ---------- */
.auth-wrap {
  min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr;
}
.auth-side {
  position: relative; background-size: cover; background-position: center;
  display: flex; align-items: flex-end; padding: 60px;
}
.auth-side::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(42,37,33,0.1), rgba(42,37,33,0.5));
}
.auth-side .quote { position: relative; z-index: 2; color: var(--white); max-width: 430px; }
.auth-side .quote h2 { color: var(--white); font-size: clamp(28px, 3vw, 40px); line-height: 1.35; }
.auth-side .quote p { margin-top: 14px; color: rgba(255,255,255,0.85); font-weight: 300; font-size: 15px; }
.auth-main {
  display: flex; flex-direction: column; justify-content: center;
  padding: clamp(40px, 6vw, 90px) clamp(24px, 6vw, 100px);
  background: var(--ivory);
}
.auth-main .back-home {
  font-size: 12px; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 40px; display: inline-block;
}
.auth-main .back-home:hover { color: var(--gold-deep); }
.auth-title { font-size: clamp(28px, 3vw, 38px); letter-spacing: 0.08em; }
.auth-sub { color: var(--muted); font-size: 14.5px; margin: 10px 0 34px; font-weight: 300; }
.auth-tabs { display: flex; gap: 30px; border-bottom: 1px solid var(--line); margin-bottom: 30px; }
.auth-tabs button {
  font-size: 15px; letter-spacing: 0.14em; padding: 0 2px 14px;
  color: var(--muted); position: relative; transition: color 0.3s;
}
.auth-tabs button.active { color: var(--ink); }
.auth-tabs button.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px;
  height: 2px; background: var(--gold-deep);
}
.auth-form .btn { margin-top: 8px; }
.auth-alt { margin-top: 22px; font-size: 13.5px; color: var(--muted); text-align: center; }
.auth-alt a { color: var(--gold-deep); border-bottom: 1px solid transparent; }
.auth-alt a:hover { border-color: var(--gold-deep); }

/* ---------- 购物车 ---------- */
.cart-layout { display: grid; grid-template-columns: 1fr 360px; gap: 40px; align-items: start; }
.cart-table { background: var(--white); border: 1px solid var(--line); }
.cart-row {
  display: grid; grid-template-columns: 96px 1fr auto auto;
  gap: 20px; align-items: center; padding: 20px 24px;
  border-bottom: 1px solid var(--line);
}
.cart-row:last-child { border-bottom: none; }
.cart-row .p-img { width: 96px; aspect-ratio: 1/1; overflow: hidden; background: var(--ivory-deep); }
.cart-row .p-img img { width: 100%; height: 100%; object-fit: cover; }
.cart-row h4 { font-size: 17px; letter-spacing: 0.04em; }
.cart-row .p-meta { font-size: 12.5px; color: var(--muted); margin-top: 4px; }
.cart-row .remove-link {
  font-size: 12px; letter-spacing: 0.1em; color: var(--muted);
  margin-top: 8px; display: inline-block;
}
.cart-row .remove-link:hover { color: var(--rose); }
.cart-row .p-line-total {
  font-family: var(--font-serif); font-size: 19px; min-width: 100px; text-align: right;
}
.cart-summary {
  background: var(--white); border: 1px solid var(--line);
  padding: 32px 30px; position: sticky; top: 110px;
}
.cart-summary h3 { font-size: 19px; letter-spacing: 0.14em; margin-bottom: 20px; }
.sum-row {
  display: flex; justify-content: space-between; font-size: 14px;
  color: var(--ink-soft); padding: 8px 0;
}
.sum-row.total {
  border-top: 1px solid var(--line); margin-top: 10px; padding-top: 16px;
  font-family: var(--font-serif); font-size: 23px; color: var(--ink);
}
.offline-note {
  background: var(--ivory-deep); padding: 14px 16px;
  font-size: 12.5px; color: var(--ink-soft); margin: 18px 0;
  line-height: 1.7;
}
.cart-empty { text-align: center; padding: 80px 20px; }
.cart-empty .big-ico { font-size: 44px; color: var(--gold-soft); margin-bottom: 18px; }
.cart-empty h3 { font-size: 24px; margin-bottom: 10px; }
.cart-empty p { color: var(--muted); margin-bottom: 26px; font-weight: 300; }

/* ---------- 用户中心 ---------- */
.account-layout { display: grid; grid-template-columns: 260px 1fr; gap: 40px; align-items: start; }
.account-side {
  background: var(--white); border: 1px solid var(--line); position: sticky; top: 110px;
}
.account-user { padding: 30px 26px; border-bottom: 1px solid var(--line); text-align: center; }
.avatar {
  width: 66px; height: 66px; margin: 0 auto 14px;
  border-radius: 999px; background: var(--ivory-deep);
  border: 1px solid var(--gold-soft);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif); font-size: 26px; color: var(--gold-deep);
}
.account-user h4 { font-size: 19px; }
.account-user .co { font-size: 12.5px; color: var(--muted); margin-top: 4px; }
.account-menu button {
  width: 100%; text-align: left; padding: 15px 26px;
  font-size: 14.5px; letter-spacing: 0.1em; color: var(--ink-soft);
  border-left: 2px solid transparent; transition: all 0.3s;
}
.account-menu button:hover { color: var(--gold-deep); background: var(--ivory); }
.account-menu button.active {
  color: var(--gold-deep); background: var(--ivory);
  border-left-color: var(--gold-deep); font-weight: 500;
}
.account-menu .logout-btn { color: var(--rose); border-top: 1px solid var(--line); }

.account-panel { background: var(--white); border: 1px solid var(--line); padding: clamp(24px, 3vw, 40px); }
.account-panel h2 { font-size: 24px; letter-spacing: 0.1em; margin-bottom: 22px; }
.profile-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 30px; }
.profile-grid .field { margin-bottom: 0; }
.profile-grid .field { padding: 12px 0; border-bottom: 1px dashed var(--line); }

.status-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 22px; }
.status-tab {
  padding: 8px 18px; font-size: 13px; letter-spacing: 0.08em;
  border: 1px solid var(--line); color: var(--ink-soft); transition: all 0.3s;
}
.status-tab.active { background: var(--ink); color: var(--ivory); border-color: var(--ink); }

.order-card { border: 1px solid var(--line); margin-bottom: 16px; }
.order-head {
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  padding: 15px 22px; background: var(--ivory-deep); font-size: 13px;
}
.order-head .oid { font-family: var(--font-serif); font-size: 16px; letter-spacing: 0.05em; }
.order-head .otime { color: var(--muted); }
.order-status {
  margin-left: auto; font-size: 12px; letter-spacing: 0.1em;
  padding: 4px 14px; text-transform: uppercase;
}
.st-pending { background: #F4E9D8; color: #8C7148; }
.st-confirmed { background: #E3EBE5; color: #4C6B57; }
.st-shipped { background: #E5E9F2; color: #56658C; }
.st-completed { background: #ECECEC; color: #7A7A7A; }
.st-cancelled { background: #F3E3E1; color: #A05B52; }

.order-items { padding: 8px 22px; }
.order-item {
  display: grid; grid-template-columns: 64px 1fr auto auto;
  gap: 16px; align-items: center; padding: 13px 0;
  border-bottom: 1px dashed var(--line);
}
.order-item:last-child { border-bottom: none; }
.order-item img { width: 64px; height: 64px; object-fit: cover; }
.order-item h5 { font-size: 15px; font-weight: 500; font-family: var(--font-body); }
.order-item .qty-x { color: var(--muted); font-size: 13px; }
.order-item .sum { font-family: var(--font-serif); font-size: 16px; }
.order-foot {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px; border-top: 1px solid var(--line); font-size: 14px;
}
.order-foot .ototal { font-family: var(--font-serif); font-size: 20px; }

.dl-list li {
  display: grid; grid-template-columns: 64px 1fr auto; gap: 16px;
  align-items: center; padding: 14px 0; border-bottom: 1px dashed var(--line);
}
.dl-list img { width: 64px; height: 64px; object-fit: cover; }
.dl-list h5 { font-size: 15px; font-weight: 500; font-family: var(--font-body); }
.dl-list .dl-time { font-size: 12.5px; color: var(--muted); margin-top: 3px; }

.fav-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }

/* ---------- Toast ---------- */
.toast-wrap { position: fixed; top: 104px; right: 26px; z-index: 300; display: flex; flex-direction: column; gap: 10px; }
.toast {
  display: flex; align-items: center; gap: 12px;
  background: var(--ink); color: var(--ivory);
  padding: 14px 20px; font-size: 13.5px; letter-spacing: 0.05em;
  box-shadow: var(--shadow-soft);
  animation: toastIn 0.45s var(--ease);
  max-width: 340px;
}
.toast.err { background: #7C4A42; }
.toast .t-ico { flex-shrink: 0; width: 17px; height: 17px; }
@keyframes toastIn { from { opacity: 0; transform: translateX(24px); } to { opacity: 1; transform: none; } }
.toast.out { opacity: 0; transform: translateX(24px); transition: all 0.4s; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: #B9B0A6; }
.footer-main {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 44px; padding: clamp(54px, 7vw, 90px) 0 54px;
}
.footer-brand .logo { color: var(--ivory); display: inline-block; margin-bottom: 18px; }
.footer-brand p { font-size: 13.5px; font-weight: 300; max-width: 300px; line-height: 1.9; }
.footer-col h4 {
  color: var(--ivory); font-size: 14px; letter-spacing: 0.24em;
  text-transform: uppercase; margin-bottom: 20px; font-family: var(--font-body);
  font-weight: 500;
}
.footer-col li { margin-bottom: 11px; }
.footer-col a, .footer-col span { font-size: 13.5px; color: #B9B0A6; font-weight: 300; transition: color 0.3s; }
.footer-col a:hover { color: var(--ivory); text-decoration: underline; text-underline-offset: 4px; }
.footer-bar {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 22px 0; display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: 10px;
  font-size: 12.5px; color: #8E8378;
}
.footer-bar a { color: #8E8378; }
.footer-bar a:hover { color: var(--ivory); }

/* ---------- 淡入动画 ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .shop-layout { grid-template-columns: 1fr; }
  .filter-panel { position: static; }
  .pd-layout, .contact-layout, .cart-layout, .brand-strip .bs-grid, .about-story { grid-template-columns: 1fr; }
  .masonry-grid { columns: 2; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .auth-wrap { grid-template-columns: 1fr; }
  .auth-side { min-height: 300px; }
  .account-layout { grid-template-columns: 1fr; }
  .account-side { position: static; }
}
@media (max-width: 760px) {
  .main-nav, .lang-switch.desktop-only { display: none; }
  .menu-toggle { display: flex; }
  .header-inner { height: 74px; }
  .mobile-nav { inset: 74px 0 0 0; }
  .page-band { padding: 140px 0 48px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .series-grid, .adv-grid { grid-template-columns: 1fr; }
  .masonry-grid { columns: 1; }
  .form-row { grid-template-columns: 1fr; }
  .profile-grid, .value-list, .fav-grid { grid-template-columns: 1fr; }
  .cart-row { grid-template-columns: 72px 1fr; }
  .cart-row .p-line-total { grid-column: 2; text-align: left; }
  .ni-body .inner { padding-left: 26px; }
  .hero { min-height: 540px; height: 88vh; }
  .footer-main { grid-template-columns: 1fr; gap: 34px; }
}

/* ---------- 商品下架提示 ---------- */
.off-band {
  display: none; margin: 16px 0 4px; padding: 12px 18px;
  background: var(--ivory-deep); border: 1px solid var(--gold-soft);
  color: var(--gold-deep); font-size: 13.5px; letter-spacing: 0.06em;
}
.btn:disabled, .btn[disabled] { opacity: 0.45; pointer-events: none; }