/* ============================================================
   Prototype F · Affordable Luxury 白底金黑撞色编辑画廊（多页面版）
   白底(#FFFFFF) × 金(#D4AF37) × 黑(#12100E)
   ------------------------------------------------------------
   设计来源：type-f-data/The Craft of Web UI Design.md + 品牌场景图
   - 一致导航（LOGO 左 / 七页跳转中 / 购物车右）由 site.js 注入
   - 排版：衬线大写展示标题 + 金色宽字距微标签 + 发丝线分割
   - 节奏：1160px 容器 · 100px 区块节奏 · 直角矩形按钮（0 圆角）
   - Hero 轮播 full-bleed 铺满视口，高度 min(80vh, 700px)
   - 瀑布流（CSS columns）· 详情主图 scroll-snap 横滑
   所有 hover/scroll 动效均为 CSS transition/animation，JS 仅切换状态类。
   ============================================================ */

:root {
  --white: #FFFFFF;
  --paper: #FAF8F3;
  --ink: #12100E;
  --ink-2: #423D34;
  --muted: #837B6D;
  --gold: #D4AF37;
  --gold-deep: #A9822A;
  --gold-soft: #F1D27E;
  --line: rgba(18, 16, 14, .14);
  --line-soft: rgba(18, 16, 14, .07);
  --line-gold: rgba(212, 175, 55, .5);
  --serif: Georgia, 'Times New Roman', 'Noto Serif SC', 'Songti SC', serif;
  --sans: 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --wrap: 1160px;
  --sec: 100px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
/* clip 而非 hidden：既吸收 full-bleed 100vw 在滚动条存在时的横向溢出，又不破坏 sticky 导航 */
html, body { overflow-x: clip; }
body {
  background: var(--white); color: var(--ink);
  font-family: var(--sans); font-size: 15px; line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; background: none; border: none; color: inherit; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }

/* ---------- 通用排版元件 ---------- */
.micro-label {
  display: inline-flex; align-items: center; gap: 14px;
  font-size: 12px; letter-spacing: .32em; text-transform: uppercase;
  color: var(--gold-deep);
}
.micro-label::before, .micro-label::after {
  content: ''; width: 36px; height: 1px; background: var(--line-gold);
}
.micro-label.left::after, .micro-label.solo::after { display: none; }
.sec-title {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(30px, 4vw, 44px); line-height: 1.15;
  letter-spacing: .02em; margin: 14px 0 10px;
}
.sec-sub { color: var(--muted); max-width: 640px; }
.sec-head { text-align: center; margin-bottom: 56px; }
.sec-head .sec-sub { margin: 0 auto; }

/* 棋盘格装饰带（品牌纹样） */
.checker-band {
  height: 12px;
  background: repeating-conic-gradient(var(--ink) 0 25%, var(--white) 0 50%);
  background-size: 12px 12px;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}

/* 按钮：直角矩形，黑面 ↔ 金面反转 */
.btn {
  position: relative; display: inline-flex; align-items: center; gap: 12px;
  padding: 14px 30px; border: 1px solid var(--ink);
  background: var(--ink); color: var(--white);
  font-size: 12px; letter-spacing: .22em; text-transform: uppercase;
  overflow: hidden; transition: color .35s ease, border-color .35s ease;
}
.btn::before {
  content: ''; position: absolute; inset: 0; background: var(--gold);
  transform: translateY(101%); transition: transform .35s cubic-bezier(.22, .61, .25, 1);
}
.btn > * { position: relative; }
.btn:hover { color: var(--ink); }
.btn:hover::before { transform: translateY(0); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost::before { background: var(--ink); }
.btn-ghost:hover { color: var(--white); }

/* 文本链接：下划线生长 */
.link-more {
  position: relative; display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; letter-spacing: .2em; text-transform: uppercase; color: var(--ink);
}
.link-more::after {
  content: ''; position: absolute; left: 0; bottom: -4px; height: 1px; width: 100%;
  background: var(--gold); transform: scaleX(.32); transform-origin: left;
  transition: transform .35s ease;
}
.link-more:hover::after { transform: scaleX(1); }
.link-more .arr { transition: transform .3s ease; }
.link-more:hover .arr { transform: translateX(5px); }

/* ---------- 沙箱横幅 ---------- */
.sandbox-banner {
  background: var(--ink); color: var(--gold-soft);
  text-align: center; font-size: 11px; letter-spacing: .18em;
  padding: 7px 12px; text-transform: uppercase;
}

/* ---------- 导航（每页一致，site.js 注入） ---------- */
.nav {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255, 255, 255, .94); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--wrap); margin: 0 auto; padding: 0 28px;
  height: 68px; display: flex; align-items: center; gap: 28px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.nav-logo img { height: 30px; width: auto; }
.nav-links {
  flex: 1; display: flex; justify-content: center; gap: 26px;
  font-size: 12px; letter-spacing: .16em; text-transform: uppercase;
}
.nav-links a { position: relative; padding: 6px 0; color: var(--ink-2); transition: color .25s; }
.nav-links a::after {
  content: ''; position: absolute; left: 0; bottom: 0; height: 1px; width: 100%;
  background: var(--gold); transform: scaleX(0); transform-origin: left;
  transition: transform .3s ease;
}
.nav-links a:hover, .nav-links a.is-active { color: var(--ink); }
.nav-links a:hover::after, .nav-links a.is-active::after { transform: scaleX(1); }
.nav-cart {
  position: relative; flex: 0 0 auto; width: 42px; height: 42px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); transition: border-color .25s, background .25s;
}
.nav-cart:hover { border-color: var(--gold); background: var(--paper); }
.nav-cart svg { width: 19px; height: 19px; stroke: var(--ink); }
.cart-badge {
  position: absolute; top: -7px; right: -7px; min-width: 18px; height: 18px;
  padding: 0 4px; background: var(--gold); color: var(--ink);
  font-size: 11px; font-weight: 700; line-height: 18px; text-align: center;
  transform: scale(0); transition: transform .3s cubic-bezier(.34, 1.56, .64, 1);
}
.cart-badge.show { transform: scale(1); }
.nav-burger { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-burger span { width: 22px; height: 2px; background: var(--ink); transition: transform .3s, opacity .3s; }

/* ---------- Hero：微陈述 + full-bleed 轮播 ---------- */
.hero { padding: 40px 0 64px; }
.hero-micro { text-align: center; margin-bottom: 26px; }
.carousel {
  position: relative;
  width: 100vw; margin-left: calc(50% - 50vw);   /* 横向铺满视口 */
  height: min(80vh, 700px);
  overflow: hidden; background: var(--paper);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.slide { position: absolute; inset: 0; opacity: 0; transition: opacity .9s ease; }
.slide.is-active { opacity: 1; }
.slide img { width: 100%; height: 100%; object-fit: cover; }
.hero-foot {
  max-width: var(--wrap); margin: 22px auto 0; padding: 0 28px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.dots { display: flex; gap: 10px; }
.dot { width: 30px; height: 3px; background: #DCD5C6; transition: background .3s, width .3s; }
.dot:hover { background: var(--muted); }
.dot.is-active { background: var(--ink); width: 46px; }
.hero-note { font-size: 12px; letter-spacing: .18em; color: var(--muted); text-transform: uppercase; }

/* ---------- 区块节奏 ---------- */
.section { padding: var(--sec) 0; }
.section-alt { background: var(--paper); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.page-head { text-align: center; padding: 72px 0 54px; }

/* ---------- Home Featured：交错编辑卡 ---------- */
.p-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px 56px; }
.p-card:nth-child(even) { margin-top: 56px; }   /* 交错节奏 */
/* 主推款（Hero）高亮：金色轮廓 + 角标 */
.p-card { position: relative; }
.p-card.is-hero .p-media { border-color: var(--gold); }
.m-item.is-hero { position: relative; }
.m-item.is-hero .p-media { border-color: var(--gold); }
.hero-badge {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  padding: 5px 12px; font-size: 11px; letter-spacing: .2em; text-transform: uppercase;
  background: var(--gold-deep); color: var(--white); pointer-events: none;
}
.p-media {
  position: relative; display: block; overflow: hidden; border: 1px solid var(--line);
  aspect-ratio: 1 / 1; background: var(--paper);
}
.p-media::after {           /* 金框偏移 */
  content: ''; position: absolute; inset: 12px; border: 1px solid var(--line-gold);
  opacity: 0; transform: translate(8px, 8px); transition: opacity .4s, transform .4s;
  pointer-events: none;
}
.p-card:hover .p-media::after, .m-item:hover .p-media::after { opacity: 1; transform: translate(0, 0); }
.p-media img {
  width: 100%; height: 100%; object-fit: cover; object-position: center;
  transition: transform .8s cubic-bezier(.22, .61, .25, 1);
}
.p-card:hover .p-media img, .m-item:hover .p-media img { transform: scale(1.05); }
.p-cat {
  margin: 18px 0 6px; font-size: 11px; letter-spacing: .26em;
  text-transform: uppercase; color: var(--gold-deep);
}
.p-name { font-family: var(--serif); font-size: 22px; font-weight: 500; letter-spacing: .01em; }
.p-desc { color: var(--muted); font-size: 14px; margin: 8px 0 16px; max-width: 46ch; }
.p-foot { display: flex; align-items: center; justify-content: space-between; gap: 14px; border-top: 1px solid var(--line-soft); padding-top: 14px; flex-wrap: wrap; }
.p-price { font-family: var(--serif); font-size: 19px; color: var(--ink); }
.p-price small { font-family: var(--sans); font-size: 11px; letter-spacing: .14em; color: var(--muted); margin-right: 6px; }
.btn-add {
  padding: 10px 18px; border: 1px solid var(--ink);
  font-size: 11px; letter-spacing: .2em; text-transform: uppercase;
  transition: background .3s, color .3s, border-color .3s;
}
.btn-add:hover { background: var(--gold); border-color: var(--gold); color: var(--ink); }
.grid-more { text-align: center; margin-top: 72px; }

/* ---------- 瀑布流（Product Overview / 分类页） ---------- */
.masonry { columns: 3; column-gap: 30px; }
.m-item { display: block; break-inside: avoid; margin: 0 0 34px; }
.m-item .p-media { aspect-ratio: auto; }   /* 比例由内联 style 指定，形成瀑布节奏 */
.m-name { font-family: var(--serif); font-size: 18px; font-weight: 500; margin-top: 12px; }
.m-meta { display: flex; justify-content: space-between; gap: 10px; margin-top: 4px; font-size: 13px; color: var(--muted); }
.m-meta .price { color: var(--gold-deep); font-family: var(--serif); }
.ov-sec { margin-bottom: 88px; }
.ov-head {
  display: flex; align-items: baseline; justify-content: space-between; gap: 16px;
  border-bottom: 1px solid var(--line); padding-bottom: 16px; margin-bottom: 34px;
}
.ov-head h3 { font-family: var(--serif); font-size: 26px; font-weight: 500; }
.ov-count { color: var(--muted); font-size: 12px; letter-spacing: .18em; text-transform: uppercase; }

/* ---------- 分类页 Hero ---------- */
.cat-hero { text-align: center; padding: 76px 0 58px; }
.cat-hero .sec-title { margin-bottom: 14px; }

/* ---------- Why Choose Leap ---------- */
.why-statement {
  font-family: var(--serif); font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.45; max-width: 820px; margin: 0 auto 60px; text-align: center;
}
.why-statement em { font-style: italic; color: var(--gold-deep); }
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-bottom: 64px; }
.why-item { border-top: 1px solid var(--line); padding-top: 22px; }
.why-item .n {
  font-family: var(--serif); font-size: 15px; color: var(--gold-deep);
  letter-spacing: .2em; display: block; margin-bottom: 12px;
}
.why-item h3 { font-family: var(--serif); font-size: 19px; font-weight: 500; margin-bottom: 10px; }
.why-item p { color: var(--muted); font-size: 14px; }
.why-link { text-align: center; }
.why-link a {
  font-family: var(--serif); font-size: clamp(18px, 2.2vw, 24px); font-style: italic;
  color: var(--ink); border-bottom: 1px solid var(--gold);
  padding-bottom: 4px; transition: color .3s, letter-spacing .3s;
}
.why-link a:hover { color: var(--gold-deep); letter-spacing: .02em; }

/* ---------- Home 品牌历程（黑面撞色 + 计数动画） ---------- */
.journey { background: var(--ink); color: #F5F1E8; }
.journey .micro-label { color: var(--gold-soft); }
.journey .sec-sub { color: rgba(245, 241, 232, .62); }
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 36px; margin: 64px 0 70px; text-align: center;
}
.stat { border-left: 1px solid rgba(212, 175, 55, .28); padding: 8px 10px; }
.stat-num {
  --n: 0; counter-reset: sn var(--n);
  font-family: var(--serif); font-size: clamp(40px, 4.6vw, 60px);
  color: var(--gold-soft); line-height: 1.1;
}
.stat-num::after { content: counter(sn); }
.stat-suf { font-family: var(--serif); font-size: clamp(22px, 2.4vw, 30px); color: var(--gold); }
.stat-label {
  display: block; margin-top: 10px; font-size: 11px;
  letter-spacing: .22em; text-transform: uppercase; color: rgba(245, 241, 232, .58);
}
@property --n { syntax: '<integer>'; inherits: false; initial-value: 0; }
.stats.in-view .stat-num { animation: count-up 1.8s cubic-bezier(.22, .61, .25, 1) forwards; }
@keyframes count-up { to { --n: var(--to); } }
.heritage { max-width: 780px; margin: 0 auto; text-align: center; }
.heritage p { color: rgba(245, 241, 232, .78); margin-bottom: 18px; }
.journey-more { margin-top: 34px; text-align: center; }
.journey-more .link-more { color: var(--gold-soft); }

/* ---------- Our Journey 页：居中品牌故事 ---------- */
.journey-doc { max-width: 820px; margin: 0 auto; padding: 0 28px; text-align: center; }
.jd-h {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(24px, 3vw, 34px); margin: 72px 0 22px;
}
.journey-doc > section:first-child .jd-h { margin-top: 0; }
.jd-p { color: var(--ink-2); margin-bottom: 16px; }
.jd-ul { list-style: none; margin: 26px 0 6px; }
.jd-ul li {
  padding: 16px 0; border-top: 1px solid var(--line-soft);
  color: var(--ink-2); font-size: 14.5px;
}
.jd-ul li::before { content: '— '; color: var(--gold-deep); }

/* ---------- CTA ---------- */
.cta-panel {
  position: relative; border: 1px solid var(--line);
  padding: 76px 40px; text-align: center; background: var(--white);
}
.cta-panel::before {
  content: ''; position: absolute; inset: 10px; border: 1px solid var(--line-gold);
  pointer-events: none;
}
.cta-title {
  font-family: var(--serif); font-size: clamp(28px, 3.6vw, 42px);
  line-height: 1.2; margin: 16px 0 12px;
}
.cta-title em { font-style: italic; color: var(--gold-deep); }
.cta-sub { color: var(--muted); margin-bottom: 34px; }

/* ---------- 商品详情页 ---------- */
.pd-wrap { padding: 52px 0 var(--sec); }
.pd-crumb { margin-bottom: 30px; }
.pd-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: start; }
.pd-main {
  display: flex; gap: 12px; overflow-x: auto;
  scroll-snap-type: x mandatory; padding-bottom: 10px;
}
.pd-main img {
  flex: 0 0 100%; aspect-ratio: 1 / 1; object-fit: cover;
  scroll-snap-align: center; border: 1px solid var(--line); background: var(--paper);
}
.pd-swipe-hint { font-size: 11px; letter-spacing: .22em; color: var(--muted); text-transform: uppercase; margin: 6px 0 18px; }

/* 主图左右切换箭头（绝对定位于滚动容器外层包裹） */
.pd-gallery { position: relative; }
.pd-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 2;
  width: 40px; height: 40px; border-radius: 4px;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(18, 16, 14, .5); color: var(--white);
  font-family: var(--serif); font-size: 24px; line-height: 1;
  opacity: .7; transition: background .2s, opacity .2s;
}
.pd-arrow:hover { background: rgba(18, 16, 14, .7); opacity: 1; }
.pd-arrow[disabled] { opacity: .3; pointer-events: none; }
.pd-prev { left: 12px; }
.pd-next { right: 12px; }
.pd-detail img { width: 100%; border: 1px solid var(--line); margin-top: 12px; }

/* ---------- 悬停放大镜：圆形透镜跟随鼠标 ---------- */
.pd-main img, .pd-detail img { cursor: zoom-in; }
.pd-lens {
  position: fixed; z-index: 90; width: 200px; height: 200px; border-radius: 50%;
  display: none; pointer-events: none; background-repeat: no-repeat; background-color: var(--white);
  border: 1px solid var(--gold); box-shadow: 0 8px 28px rgba(0, 0, 0, .28);
}
.pd-lens.on { display: block; }

/* ---------- Lightbox 全屏查看器 ---------- */
.pd-lightbox {
  position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center;
  background: rgba(15, 13, 11, .93); opacity: 0; visibility: hidden;
  transition: opacity .3s ease, visibility .3s;
}
.pd-lightbox.open { opacity: 1; visibility: visible; }
.lb-stage { margin: 0; display: flex; align-items: center; justify-content: center; }
.lb-img {
  max-width: 88vw; max-height: 86vh; object-fit: contain;
  box-shadow: 0 12px 48px rgba(0, 0, 0, .5); transition: opacity .25s ease;
}
.lb-close {
  position: absolute; top: 18px; right: 22px; z-index: 2; width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .4); background: transparent; color: var(--white); font-size: 22px; cursor: pointer;
}
.lb-close:hover, .lb-close:focus-visible { background: rgba(255, 255, 255, .15); }
.lb-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 2; width: 48px; height: 48px; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .35); background: rgba(0, 0, 0, .25); color: var(--white); font-size: 24px; cursor: pointer;
}
.lb-arrow:hover, .lb-arrow:focus-visible { background: rgba(255, 255, 255, .18); }
.lb-prev { left: 22px; }
.lb-next { right: 22px; }
.lb-count {
  position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%);
  color: rgba(255, 255, 255, .75); font-size: 12px; letter-spacing: .2em;
}
.pd-name { font-family: var(--serif); font-size: clamp(26px, 3vw, 34px); font-weight: 500; margin: 12px 0 6px; }
.pd-price { font-family: var(--serif); font-size: 26px; color: var(--gold-deep); margin: 10px 0 14px; }
.pd-desc { color: var(--muted); max-width: 52ch; }
.pd-buy { display: flex; align-items: center; gap: 18px; margin: 28px 0 30px; flex-wrap: wrap; }
.pd-block2 { border-top: 1px solid var(--line); padding-top: 26px; }
.pd-block2 h3 { margin-bottom: 16px; }
.pd-block2 p { color: var(--ink-2); font-size: 14.5px; margin-bottom: 12px; }

/* ---------- Footer ---------- */
.footer { background: var(--paper); border-top: 1px solid var(--line); padding: 56px 0 40px; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer img { height: 26px; }
.footer-links { display: flex; gap: 22px; font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.footer-links a:hover { color: var(--ink); }
.footer-copy { width: 100%; margin-top: 26px; padding-top: 18px; border-top: 1px solid var(--line-soft); font-size: 12px; color: var(--muted); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* ---------- 购物车抽屉 ---------- */
.overlay {
  position: fixed; inset: 0; background: rgba(18, 16, 14, .42);
  opacity: 0; pointer-events: none; transition: opacity .4s ease; z-index: 60;
}
.overlay.show { opacity: 1; pointer-events: auto; }
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 70;
  width: min(430px, 94vw); background: var(--white);
  border-left: 1px solid var(--line); box-shadow: -24px 0 60px rgba(18, 16, 14, .14);
  transform: translateX(105%); transition: transform .45s cubic-bezier(.22, .61, .25, 1);
  display: flex; flex-direction: column;
}
.drawer.open { transform: translateX(0); }
.cart-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; border-bottom: 1px solid var(--line);
}
.cart-head h3 { font-family: var(--serif); font-size: 20px; font-weight: 500; }
.cart-close { font-size: 22px; line-height: 1; padding: 4px 8px; transition: color .25s, transform .25s; }
.cart-close:hover { color: var(--gold-deep); transform: rotate(90deg); }
.cart-list { flex: 1; overflow-y: auto; padding: 10px 24px; }
.cart-empty { text-align: center; color: var(--muted); padding: 60px 0; font-size: 14px; }
.cart-item { display: flex; gap: 14px; padding: 18px 0; border-bottom: 1px solid var(--line-soft); }
.cart-item img { width: 64px; height: 64px; object-fit: cover; border: 1px solid var(--line); flex: 0 0 auto; }
.ci-body { flex: 1; min-width: 0; }
.ci-name { font-family: var(--serif); font-size: 15px; font-weight: 500; padding-right: 8px; }
.ci-price { font-size: 12px; color: var(--muted); margin: 2px 0 10px; }
.stepper { display: inline-flex; align-items: center; border: 1px solid var(--line); }
.stepper button { width: 26px; height: 26px; font-size: 14px; transition: background .2s, color .2s; }
.stepper button:hover { background: var(--ink); color: var(--gold-soft); }
.stepper output { width: 34px; text-align: center; font-size: 13px; }
.ci-side { display: flex; flex-direction: column; align-items: flex-end; justify-content: space-between; }
.ci-sub { font-family: var(--serif); font-size: 15px; }
.ci-remove { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); transition: color .25s; }
.ci-remove:hover { color: #B3402E; }
.cart-foot { border-top: 1px solid var(--line); padding: 18px 24px 22px; background: var(--paper); }
.cart-total { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 14px; }
.cart-total .t { font-size: 12px; letter-spacing: .22em; text-transform: uppercase; color: var(--muted); }
.cart-total .v { font-family: var(--serif); font-size: 24px; }
.cart-foot .btn { width: 100%; justify-content: center; }
.cart-foot .btn[disabled] { opacity: .4; pointer-events: none; }
.cart-note { margin-top: 10px; text-align: center; font-size: 11px; letter-spacing: .12em; color: var(--muted); }

/* ---------- 滚动显现（JS 仅加类，动画为 CSS） ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .nav-links {
    position: absolute; top: 68px; left: 0; right: 0;
    background: var(--white); border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: center; gap: 4px; padding: 18px 0 22px;
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: transform .35s ease, opacity .35s ease;
  }
  .nav-links a { padding: 8px 0; }
  .nav.open .nav-links { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-burger { display: inline-flex; }
  .nav.open .nav-burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav.open .nav-burger span:nth-child(2) { opacity: 0; }
  .nav.open .nav-burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .why-grid { grid-template-columns: 1fr; gap: 30px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .masonry { columns: 2; }
  .pd-grid { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 768px) {
  /* 移动端：箭头默认隐藏，hover/touch 时显现，避免遮挡主图 */
  .pd-arrow { opacity: 0; }
  .pd-gallery:hover .pd-arrow:not([disabled]), .pd-arrow:focus-visible { opacity: .7; }
  .pd-gallery:hover .pd-arrow[disabled] { opacity: .3; }
  /* 触摸设备禁用悬停放大镜，Lightbox 仍可用 */
  .pd-lens { display: none !important; }
  .lb-arrow { width: 40px; height: 40px; }
  .lb-prev { left: 8px; }
  .lb-next { right: 8px; }
}
@media (max-width: 720px) {
  :root { --sec: 72px; }
  .wrap { padding: 0 20px; }
  .p-grid { grid-template-columns: 1fr; gap: 40px; }
  .p-card:nth-child(even) { margin-top: 0; }
  .hero-foot { flex-direction: column; align-items: center; gap: 16px; }
  .masonry { columns: 1; }
  .ov-head { flex-direction: column; align-items: flex-start; gap: 6px; }
  .pd-grid { gap: 32px; }
  .cta-panel { padding: 56px 24px; }
  .footer-inner { justify-content: center; text-align: center; }
  .footer-copy { justify-content: center; text-align: center; }
}

/* ---------- 降级：减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .stats .stat-num { --n: var(--to); }
  .reveal { opacity: 1; transform: none; }
}

/* ============================================================
   管理后台（隐藏入口 /admin.html · 白底金黑同前台体系）
   ============================================================ */
.hidden { display: none !important; }
.loading { color: var(--muted); font-size: 13px; padding: 10px 0; }

/* 按钮变体：小尺寸 / 危险色 */
.btn-small { padding: 8px 16px; font-size: 11px; gap: 8px; }
.btn-danger { border-color: #9A2B1E; background: #9A2B1E; }
.btn-danger::before { background: var(--ink); }
.btn[disabled] { opacity: .35; pointer-events: none; }

.admin-body { background: var(--paper); }
.admin-tag {
  font-size: 12px; letter-spacing: .32em; text-transform: uppercase;
  color: var(--gold-deep); padding-bottom: 2px; border-bottom: 1px solid var(--line-gold);
}
.admin-user-slot { display: inline-flex; align-items: center; gap: 12px; }
.nav-user { font-size: 12px; letter-spacing: .08em; color: var(--ink-2); white-space: nowrap; }

/* ---------- 内置登录 / 拒绝访问 ---------- */
.admin-auth, .admin-denied {
  display: flex; align-items: center; justify-content: center;
  min-height: calc(100vh - 76px); padding: 40px 28px;
}
.auth-card {
  width: min(420px, 100%); background: var(--white);
  border: 1px solid var(--line); border-top: 3px solid var(--gold);
  padding: 44px 40px; text-align: center;
}
.auth-icon { font-size: 42px; color: var(--gold-deep); line-height: 1; margin-bottom: 14px; }
.auth-card h2 { font-family: var(--serif); font-size: 26px; font-weight: 500; letter-spacing: .02em; margin-bottom: 6px; }
.auth-sub { color: var(--muted); font-size: 13px; margin-bottom: 26px; }
.auth-card label {
  display: block; text-align: left; font-size: 11px; letter-spacing: .22em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 16px;
}
.auth-card input {
  display: block; width: 100%; margin-top: 6px; padding: 11px 14px;
  border: 1px solid var(--line); background: var(--paper);
  font-size: 14px; letter-spacing: normal; color: var(--ink);
}
.auth-card input:focus { outline: none; border-color: var(--gold); background: var(--white); }
.auth-card .btn { width: 100%; justify-content: center; }
.denied-card {
  width: min(480px, 100%); background: var(--white);
  border: 1px solid var(--line); border-top: 3px solid #9A2B1E;
  padding: 48px 40px; text-align: center;
}
.denied-icon { font-size: 46px; color: #9A2B1E; line-height: 1; margin-bottom: 12px; }
.denied-card h2 { font-family: var(--serif); font-size: 26px; font-weight: 500; margin-bottom: 10px; }
.denied-card p { color: var(--muted); font-size: 14px; margin-bottom: 26px; }

/* ---------- 工作区布局 ---------- */
.admin-main {
  max-width: var(--wrap); margin: 0 auto; padding: 40px 28px 80px;
  display: flex; flex-direction: row; gap: 28px; align-items: flex-start;
}
@media (max-width: 1080px) {
  .admin-main { flex-direction: column; align-items: stretch; } /* 纵向模式拉伸子项，宽度由父容器约束 */
}
/* 后台左侧锚点导航（窄屏降级为顶部横向导航） */
.admin-side {
  position: sticky; top: 96px; width: 188px; flex: none;
  display: flex; flex-direction: column; gap: 4px;
}
.admin-side a {
  padding: 10px 14px; border: 1px solid transparent; text-decoration: none;
  font-size: 12px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted); transition: all .2s;
}
.admin-side a:hover { color: var(--gold-deep); border-color: var(--line-soft); background: var(--white); }
.admin-content { flex: 1; min-width: 0; width: 100%; max-width: 100%; display: flex; flex-direction: column; gap: 28px; }
@media (max-width: 1080px) {
  /* 需在 .admin-side 基础规则之后，否则 sticky/188px 会覆盖降级样式 */
  .admin-side { position: static; width: 100%; flex-direction: row; flex-wrap: wrap; }
}
.panel {
  background: var(--white); border: 1px solid var(--line);
  padding: 26px 28px;
}
.panel h2 { font-family: var(--serif); font-size: 20px; font-weight: 500; letter-spacing: .02em; margin-bottom: 20px; }
.panel-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; gap: 14px; }
.panel-head h2 { margin-bottom: 0; }
.count { font-size: 13px; color: var(--gold-deep); font-weight: 400; font-family: var(--sans); }
.form-msg { font-size: 13px; min-height: 22px; margin-bottom: 8px; color: var(--muted); }
.form-msg.ok { color: #2E6B34; }
.form-msg.err { color: #9A2B1E; }

/* ---------- 存储统计 ---------- */
.admin-stats { display: flex; align-items: center; gap: 30px; flex-wrap: wrap; }
.admin-stats .stat span {
  display: block; font-size: 10px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 3px;
}
.admin-stats .stat b { font-family: var(--serif); font-size: 19px; font-weight: 500; color: var(--ink); }
.admin-stats .stat b.gold { color: var(--gold-deep); }
.stat-bars { flex-basis: 100%; display: flex; flex-direction: column; gap: 8px; }
.stat-bar-wrap { flex: 1; min-width: 220px; display: flex; align-items: center; gap: 14px; }
.stat-bar { flex: 1; height: 8px; background: var(--line-soft); overflow: hidden; }
.stat-bar i {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, var(--gold), var(--gold-deep));
  transition: width .5s ease;
}
.stat-bars .stat-bar-wrap + .stat-bar-wrap .stat-bar i {
  background: linear-gradient(90deg, #9aa3b2, #6b7280);
}
.stat-bar-label { font-size: 12px; color: var(--muted); white-space: nowrap; }

/* ---------- 主推款管理面板 ---------- */
.hero-hint { font-size: 13px; line-height: 1.65; color: var(--muted); margin-bottom: 16px; }
.hero-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 6px; }
.hero-row label {
  display: flex; align-items: center; gap: 10px;
  font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--muted);
}
.hero-row select {
  min-width: 320px; padding: 9px 12px; border: 1px solid var(--line);
  background: var(--white); font-size: 13px; color: var(--ink);
}
.hero-row select:focus { outline: none; border-color: var(--gold); }

/* ---------- 商品表主推/权重列 + 表单主推开关 ---------- */
.td-hero { white-space: nowrap; }
.hero-flag { color: var(--gold-deep); font-size: 18px; margin-right: 6px; }
.row-weight {
  width: 74px; padding: 6px 8px; border: 1px solid var(--line);
  background: var(--white); font-size: 13px;
}
.row-weight:focus { outline: none; border-color: var(--gold); }
.form-row-ops { grid-template-columns: 1fr 1fr; }
.check-label input[type="checkbox"] { width: 16px; height: 16px; margin-top: 8px; accent-color: var(--gold-deep); }
.field-hint {
  display: block; margin-top: 6px; font-size: 11px; letter-spacing: 0;
  text-transform: none; color: var(--muted); line-height: 1.5;
}

/* ---------- 轮播图管理 ---------- */
.slide-rows { display: flex; flex-direction: column; gap: 10px; margin-bottom: 18px; }
.slide-row {
  display: flex; align-items: center; gap: 14px;
  padding: 10px 12px; border: 1px solid var(--line-soft); background: var(--paper);
}
.slide-row.disabled { opacity: .55; }
.slide-thumb { width: 96px; height: 54px; object-fit: cover; flex: none; background: var(--ink); }
.slide-alt { flex: 1; min-width: 120px; padding: 8px 12px; border: 1px solid var(--line); background: var(--white); font-size: 13px; color: var(--ink); }
.slide-alt:focus { outline: none; border-color: var(--gold); }
.slide-idx { font-size: 12px; letter-spacing: .1em; color: var(--muted); flex: none; }
.slide-ops { display: flex; gap: 6px; flex: none; }
.slide-ops button {
  padding: 6px 10px; border: 1px solid var(--line); background: var(--white);
  font-size: 11px; letter-spacing: .08em; color: var(--ink-2); transition: all .2s;
}
.slide-ops button:hover:not([disabled]) { border-color: var(--gold-deep); color: var(--gold-deep); }
.slide-ops button.danger:hover { border-color: #9A2B1E; color: #9A2B1E; }
.slide-ops button[disabled] { opacity: .3; }
.slide-add { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.slide-preview { width: 96px; height: 54px; object-fit: cover; border: 1px solid var(--line-gold); }
.slide-add input[type='text'] { flex: 1; min-width: 160px; padding: 10px 14px; border: 1px solid var(--line); background: var(--white); font-size: 13px; }
.slide-add input[type='text']:focus { outline: none; border-color: var(--gold); }

/* ---------- 商品表单与表格 ---------- */
.admin-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 28px; align-items: stretch; } /* 上下分栏：表单在上、表格在下，各占满容器宽 */
#productForm label {
  display: block; font-size: 11px; letter-spacing: .2em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 14px;
}
#productForm input, #productForm select, #productForm textarea {
  display: block; width: 100%; margin-top: 6px; padding: 10px 12px;
  border: 1px solid var(--line); background: var(--paper);
  font-size: 14px; letter-spacing: normal; color: var(--ink); font-family: inherit;
}
#productForm input:focus, #productForm select:focus, #productForm textarea:focus {
  outline: none; border-color: var(--gold); background: var(--white);
}
.form-row { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 12px; }
.form-actions { display: flex; gap: 12px; }

/* ---------- 编辑模式深色主题（is-editing） ---------- */
#productForm { transition: background-color .35s ease, border-color .35s ease, color .35s ease; scroll-margin-top: 84px; } /* scroll-margin：scrollIntoView 后避开 sticky 导航 */
#productForm.is-editing {
  background: #1b1712; border-color: var(--line-gold); color: #f5f1e8;
}
#productForm.is-editing h2 { color: var(--gold); }
#productForm.is-editing label { color: #c9c2b2; }
#productForm.is-editing input, #productForm.is-editing select, #productForm.is-editing textarea {
  background: #262019; border-color: rgba(255, 255, 255, .18); color: #f5f1e8;
}
#productForm.is-editing input:focus, #productForm.is-editing select:focus, #productForm.is-editing textarea:focus {
  border-color: var(--gold); background: #2e2720;
}
#productForm.is-editing input::placeholder, #productForm.is-editing textarea::placeholder { color: #8d8677; }
#productForm.is-editing .field-hint, #productForm.is-editing .gallery-hint { color: #b9b2a4; }
#productForm.is-editing .gallery-item { background: #262019; border-color: rgba(255, 255, 255, .18); }
#productForm.is-editing .gallery-add { border-color: var(--line-gold); color: var(--gold); }
#productForm.is-editing .form-msg.ok { color: #9fd8a6; }
#productForm.is-editing .form-msg.err { color: #ff9d8f; }
/* 深色表单内按钮反转为金/浅描边，保证对比度 */
#productForm.is-editing .btn { background: transparent; border-color: var(--gold); color: var(--gold); }
#productForm.is-editing .btn::before { background: var(--gold); }
#productForm.is-editing .btn:hover { color: #1b1712; }
#productForm.is-editing .btn-ghost { border-color: rgba(255, 255, 255, .35); color: #e8e2d4; }
#productForm.is-editing .btn-ghost::before { background: #e8e2d4; }
#productForm.is-editing .btn-ghost:hover { color: #1b1712; }

.img-gallery { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: -2px 0 16px; }
.gallery-item {
  position: relative; width: 74px; height: 74px;
  border: 1px solid var(--line); background: var(--paper); overflow: hidden;
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; }
.gallery-item .main-flag {
  position: absolute; top: 4px; left: 4px; background: var(--gold); color: var(--ink);
  font-size: 9px; letter-spacing: .12em; text-transform: uppercase; padding: 2px 6px;
}
.gallery-item .rm-img {
  position: absolute; top: 2px; right: 2px; width: 20px; height: 20px;
  background: rgba(18, 16, 14, .72); color: #fff; font-size: 14px; line-height: 1;
  display: flex; align-items: center; justify-content: center;
}
.gallery-item .rm-img:hover { background: #9A2B1E; }
.gallery-add {
  width: 74px; height: 74px; display: flex; align-items: center; justify-content: center;
  border: 1px dashed var(--line-gold); color: var(--gold-deep); font-size: 22px; cursor: pointer;
  transition: background .2s;
}
.gallery-add:hover { background: rgba(212, 175, 55, .08); }
.gallery-hint { font-size: 12px; color: var(--muted); letter-spacing: .05em; text-transform: none; }

.table-wrap { overflow-x: auto; max-width: 100%; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.admin-table th, .admin-table td { padding: 10px 8px; text-align: left; border-bottom: 1px solid var(--line-soft); }
.admin-table th {
  font-size: 10px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--gold-deep); font-weight: 600;
}
.admin-table tr:hover td { background: rgba(212, 175, 55, .06); }
.admin-table .th-num, .admin-table .td-num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.thumb { width: 46px; height: 46px; object-fit: cover; display: block; background: var(--paper); }
.thumb-ph {
  width: 46px; height: 46px; display: flex; align-items: center; justify-content: center;
  background: var(--paper); color: var(--gold-deep); font-size: 20px;
}
.row-actions { display: flex; gap: 8px; white-space: nowrap; }

/* ---------- Tooltip（存储明细） ---------- */
.tip-cell { position: relative; cursor: help; }
.tip-cell::after {
  content: attr(data-tip);
  position: absolute; bottom: calc(100% + 10px); right: 0; z-index: 30;
  min-width: 210px; max-width: 340px; padding: 9px 13px;
  background: var(--ink); color: var(--white);
  border: 1px solid var(--line-gold);
  font-size: 12px; line-height: 1.7; text-align: left; white-space: normal;
  box-shadow: 0 12px 32px rgba(18, 16, 14, .3);
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
  pointer-events: none;
}
.tip-cell:hover::after { opacity: 1; visibility: visible; transform: none; }
.tip-cell[data-tip='']::after { display: none; }

/* ---------- 前台公告栏（settings.announcement_html） ---------- */
.announce-bar {
  background: var(--gold); color: var(--ink); text-align: center;
  padding: 9px 24px; font-family: var(--font-serif); font-size: 14px;
  letter-spacing: .02em; border-bottom: 1px solid rgba(18, 16, 14, .22);
}
.announce-bar strong { font-weight: 700; }

/* ---------- 后台 · 全站设置面板 ---------- */
.admin-settings form { display: flex; flex-direction: column; gap: 16px; max-width: 760px; }
.admin-settings label {
  display: block; font-size: 11px; letter-spacing: .2em; text-transform: uppercase;
  color: var(--muted);
}
.admin-settings input, .admin-settings textarea {
  display: block; width: 100%; margin-top: 6px; padding: 10px 12px;
  border: 1px solid var(--line); background: var(--paper);
  font-size: 14px; letter-spacing: normal; text-transform: none; color: var(--ink); font-family: inherit;
}
.admin-settings input:focus, .admin-settings textarea:focus {
  outline: none; border-color: var(--gold); background: var(--white);
}
.logo-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.logo-row img {
  width: 84px; height: 52px; object-fit: contain; padding: 6px;
  border: 1px solid var(--line); background: var(--paper);
}

/* ---------- 后台响应式 ---------- */
@media (max-width: 1000px) {
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .slide-row { flex-wrap: wrap; }
  .slide-alt { flex-basis: 100%; order: 5; }
  .admin-stats { gap: 18px; }
  .announce-bar { font-size: 13px; padding: 8px 16px; }
}