/* ============================================================
   JZ GLASS — Swiss International Style Design System
   ------------------------------------------------------------
   快速改样式：
   1. 改强调色：改下面的 --accent（默认瑞士红）
   2. 改字体：改 --font
   3. 其余样式一般不需要动
   ============================================================ */

:root {
  --ink: #111110;            /* 主文字色（近黑） */
  --paper: #ffffff;          /* 页面底色 */
  --bg-alt: #f2f2ee;         /* 浅灰底（图片区、卡片区） */
  --accent: #e8380d;         /* 强调色：瑞士红（改成你的品牌色即可） */
  --grey: #6f6f6a;           /* 次要文字 */
  --line: #d9d9d3;           /* 细分隔线 */
  --line-dark: #111110;      /* 主结构线 */

  --font: "Helvetica Neue", Helvetica, Arial, "Segoe UI", sans-serif;

  --max: 1440px;             /* 内容最大宽度 */
  --pad: clamp(20px, 4vw, 64px);   /* 页面左右留白 */
  --sec: clamp(64px, 9vw, 140px);  /* 区块上下留白 */
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; cursor: pointer; background: none; border: 0; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }

::selection { background: var(--accent); color: var(--paper); }

/* ---------- 通用工具类 ---------- */
.container { max-width: var(--max); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }

.label {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.label .idx { color: var(--accent); margin-right: 0.75em; }

.h-display {
  font-size: clamp(40px, 7.5vw, 116px);
  line-height: 0.92;
  letter-spacing: -0.035em;
  font-weight: 700;
  text-transform: uppercase;
  word-break: break-word;
}
.h-display .dot { color: var(--accent); }

.h-sec {
  font-size: clamp(32px, 4.6vw, 72px);
  line-height: 1.0;
  letter-spacing: -0.03em;
  font-weight: 700;
  text-transform: uppercase;
}

.lead { font-size: clamp(17px, 1.4vw, 21px); line-height: 1.55; max-width: 52ch; }

.muted { color: var(--grey); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block;
  padding: 15px 30px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: 1px solid var(--ink);
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}
.btn-solid { background: var(--ink); color: var(--paper); }
.btn-solid:hover { background: var(--accent); border-color: var(--accent); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }
.btn-accent { background: var(--accent); border-color: var(--accent); color: var(--paper); }
.btn-accent:hover { background: var(--ink); border-color: var(--ink); }

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.arrow-link::after { content: "\2192"; font-size: 15px; transition: transform 0.18s ease; }
.arrow-link:hover::after { transform: translateX(6px); }
.arrow-link:hover { color: var(--accent); }

/* ---------- 顶部信息条 ---------- */
.topbar {
  border-bottom: 1px solid var(--line);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.topbar .container { display: flex; justify-content: space-between; gap: 16px; padding-top: 9px; padding-bottom: 9px; }
.topbar .tb-right { display: flex; gap: 24px; }
.topbar a:hover { color: var(--accent); }
@media (max-width: 640px) { .topbar .tb-right > :first-child { display: none; } }

/* ---------- 页头导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--paper);
  border-bottom: 1px solid var(--line-dark);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 72px; }

.wordmark {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
}
.wordmark .mark { width: 11px; height: 11px; background: var(--accent); display: inline-block; margin-left: 6px; }

.main-nav { display: flex; align-items: center; gap: clamp(18px, 2.4vw, 36px); }
.main-nav a {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}
.main-nav a:hover, .main-nav a.active { border-bottom-color: var(--accent); }

.header-cta { display: flex; align-items: center; gap: 16px; }
.header-cta .btn { padding: 11px 22px; }

.nav-toggle { display: none; width: 40px; height: 40px; position: relative; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 8px; right: 8px; height: 2px; background: var(--ink);
  transition: transform 0.2s ease, top 0.2s ease, opacity 0.2s ease;
}
.nav-toggle span { top: 19px; }
.nav-toggle span::before { top: -7px; left: 0; right: 0; }
.nav-toggle span::after { top: 7px; left: 0; right: 0; }

@media (max-width: 960px) {
  .main-nav, .header-cta .btn { display: none; }
  .nav-toggle { display: block; }
  body.nav-open .main-nav {
    display: flex;
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 8px;
    background: var(--ink);
    padding: var(--pad);
  }
  body.nav-open .main-nav a {
    color: var(--paper);
    font-size: clamp(30px, 8vw, 56px);
    font-weight: 800;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    border-bottom: 0;
  }
  body.nav-open .main-nav a:hover, body.nav-open .main-nav a.active { color: var(--accent); }
  body.nav-open { overflow: hidden; }
  body.nav-open .nav-toggle span { background: transparent; }
  body.nav-open .nav-toggle span::before { background: var(--paper); top: -9px; transform: rotate(45deg); }
  body.nav-open .nav-toggle span::after { background: var(--paper); top: 9px; transform: rotate(-45deg); }
}

/* ---------- Hero ---------- */
.hero { border-bottom: 1px solid var(--line-dark); }
.hero .container { padding-top: clamp(48px, 7vw, 110px); padding-bottom: clamp(48px, 7vw, 110px); }
.hero .label { margin-bottom: clamp(20px, 3vw, 40px); }
.hero h1 { margin-bottom: clamp(28px, 4vw, 56px); }
.hero-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 28px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; }

/* Hero 里的几何图块（瑞士风格的图形元素） */
.hero-figure { position: relative; overflow: hidden; border: 1px solid var(--line-dark); background: var(--bg-alt); }
.hero-figure img { width: 100%; height: clamp(220px, 32vw, 460px); object-fit: cover; }
.hero-figure .tag {
  position: absolute; left: 0; bottom: 0;
  background: var(--accent); color: var(--paper);
  padding: 10px 18px; font-size: 11px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase;
}

/* ---------- 滚动信息条（Ticker） ---------- */
.ticker { overflow: hidden; border-bottom: 1px solid var(--line-dark); background: var(--paper); }
.ticker-track { display: flex; width: max-content; animation: ticker 28s linear infinite; }
.ticker-track span {
  display: inline-block; padding: 12px 0 12px 28px; margin-right: 28px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; white-space: nowrap;
}
.ticker-track span::before { content: "\25A0"; color: var(--accent); margin-right: 28px; }
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- 通用区块 ---------- */
.section { padding-top: var(--sec); padding-bottom: var(--sec); border-bottom: 1px solid var(--line-dark); }
.section.no-rule { border-bottom: 0; }
.section-head {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end;
  gap: 20px; margin-bottom: clamp(36px, 5vw, 72px);
}
.section-head .label { margin-bottom: 14px; }
.section-head p { max-width: 44ch; color: var(--grey); font-size: 15px; }

/* ---------- 特性双栏（技术支持 / 配送） ---------- */
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line-dark); }
.feature-cell { padding: clamp(28px, 3.6vw, 56px); border-right: 1px solid var(--line-dark); }
.feature-cell:last-child { border-right: 0; }
.feature-cell .num { font-size: 13px; font-weight: 700; color: var(--accent); letter-spacing: 0.1em; display: block; margin-bottom: 40px; }
.feature-cell h3 { font-size: clamp(24px, 2.6vw, 40px); line-height: 1.05; letter-spacing: -0.02em; text-transform: uppercase; margin-bottom: 18px; }
.feature-cell p { color: var(--grey); max-width: 46ch; margin-bottom: 26px; }
@media (max-width: 760px) {
  .feature-grid { grid-template-columns: 1fr; }
  .feature-cell { border-right: 0; border-bottom: 1px solid var(--line-dark); }
  .feature-cell:last-child { border-bottom: 0; }
}

/* ---------- 行业应用（4 格） ---------- */
.industry-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line-dark); }
.industry-cell {
  padding: clamp(24px, 2.6vw, 40px);
  border-right: 1px solid var(--line-dark);
  min-height: 300px;
  display: flex; flex-direction: column; justify-content: space-between; gap: 40px;
  transition: background 0.18s ease, color 0.18s ease;
}
.industry-cell:last-child { border-right: 0; }
.industry-cell .idx { font-size: 12px; font-weight: 700; letter-spacing: 0.12em; color: var(--accent); }
.industry-cell h3 { font-size: clamp(20px, 1.8vw, 28px); line-height: 1.08; letter-spacing: -0.02em; text-transform: uppercase; }
.industry-cell p { font-size: 14px; color: var(--grey); margin-top: 12px; transition: color 0.18s ease; }
.industry-cell .go { font-size: 22px; margin-top: auto; }
.industry-cell:hover { background: var(--ink); color: var(--paper); }
.industry-cell:hover p { color: #b9b9b2; }
@media (max-width: 960px) { .industry-grid { grid-template-columns: 1fr 1fr; } .industry-cell:nth-child(2n) { border-right: 0; } .industry-cell:nth-child(-n+2) { border-bottom: 1px solid var(--line-dark); } }
@media (max-width: 560px) { .industry-grid { grid-template-columns: 1fr; } .industry-cell { border-right: 0; min-height: 0; } .industry-cell:nth-child(-n+2) { border-bottom: 0; } .industry-cell:not(:last-child) { border-bottom: 1px solid var(--line-dark); } }

/* ---------- 产品分类卡（Collections） ---------- */
.collection-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--line-dark); }
.collection-card { display: flex; flex-direction: column; border-right: 1px solid var(--line-dark); }
.collection-card:last-child { border-right: 0; }
.collection-card .ph { background: #f2f2ee; border-bottom: 1px solid var(--line-dark); }
.collection-card .ph img { width: 100%; height: clamp(200px, 22vw, 320px); object-fit: contain; padding: clamp(20px, 2.6vw, 40px); transition: transform 0.25s ease; }
.collection-card:hover .ph img { transform: translateY(-6px); }
.collection-card .body { padding: clamp(20px, 2.4vw, 32px); display: flex; flex-direction: column; gap: 10px; flex: 1; }
.collection-card h3 { font-size: clamp(22px, 2vw, 30px); text-transform: uppercase; letter-spacing: -0.02em; line-height: 1.05; }
.collection-card .count { font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); font-weight: 700; }
.collection-card .arrow-link { margin-top: auto; padding-top: 18px; }
@media (max-width: 900px) { .collection-grid { grid-template-columns: 1fr; } .collection-card { border-right: 0; border-bottom: 1px solid var(--line-dark); } .collection-card:last-child { border-bottom: 0; } }

/* ---------- 编号卖点列表（Why choose us） ---------- */
.why-list { border-top: 1px solid var(--line-dark); }
.why-row {
  display: grid; grid-template-columns: 90px 1fr 1.4fr; gap: 24px; align-items: baseline;
  padding: clamp(20px, 2.4vw, 34px) 0;
  border-bottom: 1px solid var(--line-dark);
  transition: padding-left 0.2s ease;
}
.why-row:hover { padding-left: 18px; }
.why-row .num { font-size: clamp(20px, 2vw, 30px); font-weight: 800; color: var(--accent); letter-spacing: -0.02em; }
.why-row h3 { font-size: clamp(18px, 1.7vw, 26px); text-transform: uppercase; letter-spacing: -0.015em; line-height: 1.15; }
.why-row p { color: var(--grey); font-size: 15px; max-width: 60ch; }
@media (max-width: 760px) { .why-row { grid-template-columns: 56px 1fr; } .why-row p { grid-column: 2; } }

/* ---------- 装饰横幅（黑底 CTA 区） ---------- */
.banner-dark { background: var(--ink); color: var(--paper); border-bottom: 1px solid var(--line-dark); }
.banner-dark .container { padding-top: var(--sec); padding-bottom: var(--sec); }
.banner-dark .h-sec { max-width: 18ch; }
.banner-dark .h-sec .hl { color: var(--accent); }
.banner-dark .section-head p { color: #a7a7a0; }
.banner-dark .btn-ghost { border-color: var(--paper); }
.banner-dark .btn-ghost:hover { background: var(--paper); color: var(--ink); }
.banner-dark .arrow-link:hover { color: var(--accent); }

/* ---------- 目录下载表单 ---------- */
.catalog-form { display: flex; flex-wrap: wrap; gap: 18px; align-items: flex-end; margin-top: 34px; }
.catalog-form .field { flex: 1 1 320px; }
.catalog-form input { width: 100%; background: transparent; border: 0; border-bottom: 1px solid var(--paper); padding: 14px 0; color: var(--paper); font-size: 16px; }
.catalog-form input::placeholder { color: #8c8c85; text-transform: uppercase; font-size: 12px; letter-spacing: 0.14em; }
.catalog-form input:focus { outline: 0; border-bottom-color: var(--accent); }
.form-note { margin-top: 16px; font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); min-height: 1.4em; }

/* ---------- 产品页 ---------- */
.page-head { border-bottom: 1px solid var(--line-dark); }
.page-head .container { padding-top: clamp(40px, 5vw, 84px); padding-bottom: clamp(40px, 5vw, 84px); }
.page-head h1 { margin: 18px 0 20px; }

.products-layout { display: grid; grid-template-columns: 280px 1fr; min-height: 60vh; }
.products-side { border-right: 1px solid var(--line-dark); }
.products-side-inner { position: sticky; top: 92px; padding: clamp(24px, 3vw, 44px) clamp(20px, 2.4vw, 36px); max-height: calc(100vh - 92px); overflow: auto; }
.side-group { margin-bottom: 30px; }
.side-group > .label { display: block; margin-bottom: 12px; padding-bottom: 10px; border-bottom: 1px solid var(--line-dark); }
.side-group a {
  display: flex; justify-content: space-between; align-items: baseline; gap: 10px;
  padding: 7px 0; font-size: 14px; color: var(--grey);
}
.side-group a .n { font-size: 11px; letter-spacing: 0.08em; }
.side-group a:hover { color: var(--ink); }
.side-group a.active { color: var(--accent); font-weight: 700; }
.products-main { padding: clamp(24px, 3vw, 44px) clamp(20px, 2.6vw, 40px); }
.toolbar { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; margin-bottom: 26px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.toolbar .label { color: var(--grey); }

.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.product-card { background: var(--paper); padding: 0; display: flex; flex-direction: column; transition: background 0.18s ease; }
.product-card .ph { background: #f2f2ee; }
.product-card .ph img { width: 100%; aspect-ratio: 4 / 4.6; object-fit: contain; padding: clamp(36px, 3.8vw, 58px); transition: transform 0.25s ease; }
.product-card:hover .ph img { transform: translateY(-6px) scale(1.03); }
.product-card .body { padding: 18px 20px 22px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.product-card .code { font-size: 10px; font-weight: 700; letter-spacing: 0.14em; color: var(--accent); text-transform: uppercase; }
.product-card h3 { font-size: 16px; line-height: 1.25; letter-spacing: -0.01em; }
.product-card .specs { margin-top: auto; padding-top: 14px; font-size: 12px; color: var(--grey); line-height: 1.7; }
.product-card .specs b { color: var(--ink); font-weight: 600; }
@media (max-width: 1100px) { .product-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 960px) { .products-layout { grid-template-columns: 1fr; } .products-side { border-right: 0; border-bottom: 1px solid var(--line-dark); } .products-side-inner { position: static; max-height: none; } }

/* 玻璃类型 / 装饰工艺信息卡 */
.info-grid { display: grid; grid-template-columns: repeat(2, 1fr); background: #ffffff; border: 1px solid var(--line-dark); }
.info-card { background: var(--paper); padding: clamp(22px, 2.4vw, 34px); outline: 1px solid var(--line); outline-offset: -0.5px; }
.info-card .idx { color: var(--accent); font-size: 12px; font-weight: 700; letter-spacing: 0.12em; display: block; margin-bottom: 14px; }
.info-card h3 { font-size: clamp(20px, 2vw, 28px); text-transform: uppercase; letter-spacing: -0.02em; margin-bottom: 10px; }
.info-card p { color: var(--grey); font-size: 14px; }
@media (max-width: 760px) { .info-grid { grid-template-columns: 1fr; } }

/* ---------- 产品详情页 ---------- */
.detail-layout { display: grid; grid-template-columns: 1.05fr 1fr; }
.detail-media { border-right: 1px solid var(--line-dark); background: #f2f2ee; display: flex; flex-direction: column; align-items: stretch; }
#detail-image { flex: 1 1 auto; width: 100%; min-height: 380px; max-height: 560px; object-fit: contain; padding: clamp(32px, 4vw, 72px); }
.detail-thumbs { display: flex; flex-wrap: wrap; gap: 10px; padding: 0 clamp(28px, 3vw, 48px) clamp(22px, 2.4vw, 34px); }
.detail-thumbs img {
  width: 78px; height: 94px; object-fit: contain; background: var(--bg-alt);
  border: 1px solid var(--line); padding: 6px; cursor: pointer;
  opacity: 0.72; transition: opacity 0.15s ease, border-color 0.15s ease;
}
.detail-thumbs img:hover { opacity: 1; }
.detail-thumbs img.active { border-color: var(--accent); opacity: 1; }
.detail-info { padding: clamp(28px, 3.6vw, 64px); }
.detail-info .crumbs { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--grey); margin-bottom: 28px; }
.detail-info .crumbs a:hover { color: var(--accent); }
.detail-info .crumbs .sep { margin: 0 10px; color: var(--accent); }
.detail-info h1 { font-size: clamp(30px, 3.4vw, 54px); line-height: 1.02; letter-spacing: -0.025em; text-transform: uppercase; margin-bottom: 8px; }
.detail-info .code-line { color: var(--accent); font-size: 12px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 30px; }
.spec-table { border-top: 1px solid var(--line-dark); margin-bottom: 34px; }
.spec-table .row { display: grid; grid-template-columns: 160px 1fr; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.spec-table .row dt { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--grey); font-weight: 700; padding-top: 2px; }
.detail-ctas { display: flex; flex-wrap: wrap; gap: 14px; }
@media (max-width: 940px) { .detail-layout { grid-template-columns: 1fr; } .detail-media { border-right: 0; border-bottom: 1px solid var(--line-dark); } }

/* ---------- 关于页 ---------- */
.manifesto-item { display: grid; grid-template-columns: 90px 1fr; gap: 24px; padding: clamp(36px, 5vw, 80px) 0; border-bottom: 1px solid var(--line-dark); }
.manifesto-item:first-child { border-top: 1px solid var(--line-dark); }
.manifesto-item .num { color: var(--accent); font-weight: 800; font-size: 20px; }
.manifesto-item h2 { font-size: clamp(28px, 4.2vw, 64px); line-height: 1.02; letter-spacing: -0.03em; text-transform: uppercase; max-width: 20ch; }
.manifesto-item p { margin-top: 22px; color: var(--grey); max-width: 58ch; font-size: 16px; }
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line-dark); }
.stat-cell { padding: clamp(24px, 3vw, 44px); border-right: 1px solid var(--line-dark); }
.stat-cell:last-child { border-right: 0; }
.stat-cell .v { font-size: clamp(36px, 4.4vw, 72px); font-weight: 800; letter-spacing: -0.04em; line-height: 1; }
.stat-cell .v em { color: var(--accent); font-style: normal; }
.stat-cell .k { margin-top: 12px; font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--grey); font-weight: 700; }
@media (max-width: 860px) { .stats-row { grid-template-columns: 1fr 1fr; } .stat-cell:nth-child(2n) { border-right: 0; } .stat-cell:nth-child(-n+2) { border-bottom: 1px solid var(--line-dark); } }

/* ---------- 联系页 ---------- */
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; }
.contact-info { border-right: 1px solid var(--line-dark); padding: clamp(28px, 3.6vw, 64px); }
.contact-info .block { padding: 26px 0; border-bottom: 1px solid var(--line); }
.contact-info .block:first-child { padding-top: 0; }
.contact-info .block .label { color: var(--accent); margin-bottom: 10px; }
.contact-info .block .big { font-size: clamp(20px, 2.2vw, 32px); font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; }
.contact-info .block .big a:hover { color: var(--accent); }
.contact-form { padding: clamp(28px, 3.6vw, 64px); }
.form-field { margin-bottom: 26px; }
.form-field label { display: block; font-size: 11px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--grey); margin-bottom: 4px; }
.form-field input, .form-field textarea {
  width: 100%; border: 0; border-bottom: 1px solid var(--ink); background: transparent;
  padding: 12px 0; font-size: 16px; border-radius: 0;
}
.form-field input:focus, .form-field textarea:focus { outline: 0; border-bottom-color: var(--accent); }
.form-field textarea { resize: vertical; min-height: 110px; }
@media (max-width: 860px) { .contact-layout { grid-template-columns: 1fr; } .contact-info { border-right: 0; border-bottom: 1px solid var(--line-dark); } }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--ink); color: var(--paper); }
.site-footer .container { padding-top: clamp(48px, 6vw, 90px); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: clamp(40px, 5vw, 72px); }
.footer-grid .label { color: #8b8b84; display: block; margin-bottom: 18px; }
.footer-grid a { display: block; padding: 5px 0; font-size: 14px; color: #d8d8d2; }
.footer-grid a:hover { color: var(--accent); }
.footer-grid .foot-tag { font-size: clamp(18px, 1.6vw, 24px); font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; text-transform: uppercase; max-width: 18ch; }
.footer-grid .foot-tag .hl { color: var(--accent); }
.footer-bottom { border-top: 1px solid #2c2c2a; padding: 20px 0 24px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: #8b8b84; }
.footer-word { overflow: hidden; }
.footer-word .wordmark { font-size: clamp(64px, 13.5vw, 210px); letter-spacing: -0.045em; line-height: 0.9; display: block; padding-bottom: 0.05em; color: var(--paper); }
.footer-word .wordmark .mark { width: 0.16em; height: 0.16em; margin-left: 0.06em; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }

/* 变体明细表 */
.variant-table { border-top: 1px solid var(--line-dark); font-size: 13px; }
.vrow { display: grid; grid-template-columns: 1.2fr 1fr 1fr 1.2fr 1fr; gap: 14px; padding: 10px 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.vrow.vhead { font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--grey); font-weight: 700; align-items: end; line-height: 1.3; }
.vt-pack .vrow { grid-template-columns: 0.85fr 0.75fr 1.2fr 1.4fr 0.85fr; }
.vt-dim .vrow { grid-template-columns: minmax(0, 1.1fr) repeat(var(--dim-n, 4), minmax(0, 1fr)); }
.vt-dim .vrow span:nth-child(n+2) { font-variant-numeric: tabular-nums; }
/* 尺寸表列更窄，表头字距收一点，"Diameter (mm)" 才不会折行，两张表头才一样高 */
.vt-dim .vhead { letter-spacing: 0.06em; }

/* 两张表上下堆叠、按信息密度取宽：Packing 列少值短，限宽铺不满；
   Dimensions 列多数值密，占满全宽正好（--dim-n 驱动列数） */
#detail-variants { display: grid; grid-template-columns: 1fr; gap: clamp(24px, 4vw, 44px); align-items: start; }
@media (min-width: 1200px) {
  #detail-variants .vt-col-pack { max-width: 76%; }
}
.vt-col { min-width: 0; }
.vt-col + .vt-col { margin-top: clamp(30px, 4vw, 44px); }
.tbl-head { margin-bottom: 14px; }
.tbl-note { font-size: 11px; color: var(--grey); margin-top: 14px; }

/* 包装 / 瓶身尺寸：全宽区块，两表左右并列 */
.detail-tables { border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); background: var(--paper); }
.detail-tables .container { padding-top: clamp(30px, 3vw, 44px); padding-bottom: clamp(30px, 3vw, 44px); }
@media (min-width: 941px) { .detail-tables .container { padding-left: clamp(28px, 3.6vw, 64px); padding-right: clamp(28px, 3.6vw, 64px); } }
@media (min-width: 941px) and (max-width: 1439px) {
  .vt-pack .vrow, .vt-dim .vrow { gap: 8px; }
  .vt-pack .vrow:not(.vhead), .vt-dim .vrow:not(.vhead) { font-size: 11.5px; }
  .vt-pack .vhead, .vt-dim .vhead { font-size: 8.5px; letter-spacing: 0.05em; }
}
@media (max-width: 640px) {
  .vrow, .vt-pack .vrow, .vt-dim .vrow { display: block; padding: 12px 0; }
  .vrow.vhead { display: none; }
  .vrow span { display: flex; gap: 12px; padding: 3px 0; font-size: 13px; }
  .vrow span::before {
    content: attr(data-l);
    flex: 0 0 40%;
    font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--grey); font-weight: 700; padding-top: 3px;
  }
  .vrow span:first-child::before { color: var(--accent); }
}

/* ---------- Decoration 页 ---------- */
.chip-row, .tech-for { display: flex; flex-wrap: wrap; gap: 10px; align-items: baseline; }
.chip {
  display: inline-block; padding: 7px 14px; border: 1px solid var(--ink);
  font-size: 11px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  transition: background 0.15s ease, color 0.15s ease;
}
.chip:hover { background: var(--ink); color: var(--paper); }
.tech-row {
  display: grid; grid-template-columns: 140px 1fr; gap: 28px;
  padding: clamp(28px, 3.4vw, 52px) 0;
  border-top: 1px solid var(--line-dark);
  transition: padding-left 0.2s ease;
}
.tech-row:hover { padding-left: 14px; }
.tech-row:last-child { border-bottom: 1px solid var(--line-dark); }
.tech-num { font-size: clamp(36px, 4.4vw, 72px); font-weight: 800; letter-spacing: -0.04em; line-height: 0.9; color: var(--accent); }
.tech-body h3 { font-size: clamp(24px, 2.6vw, 40px); text-transform: uppercase; letter-spacing: -0.02em; line-height: 1.05; }
.tech-tag { margin: 8px 0 12px; font-weight: 700; font-size: 14px; color: var(--accent); }
.tech-body > p:not(.tech-tag) { color: var(--grey); max-width: 68ch; }
.tech-for { margin-top: 18px; }
.tech-for .label { color: var(--grey); }
/* 工艺示意图（右侧）：≥1100px 三栏（编号/正文/图），之下图随正文下方堆叠 */
.tech-img { width: 100%; max-width: 340px; justify-self: end; align-self: center; border: 1px solid var(--line); }
@media (min-width: 1100px) {
  .tech-row { grid-template-columns: 140px 1fr minmax(260px, 340px); }
}
@media (max-width: 1099px) {
  .tech-row { grid-template-columns: 140px 1fr; }
  .tech-img { justify-self: start; max-width: 420px; }
}
@media (max-width: 720px) { .tech-row { grid-template-columns: 1fr; gap: 12px; } }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line-dark); }
.process-cell { padding: clamp(22px, 2.6vw, 38px); border-right: 1px solid var(--line-dark); }
.process-cell:last-child { border-right: 0; }
.process-cell .idx { display: block; color: var(--accent); font-weight: 800; font-size: 15px; margin-bottom: 40px; }
.process-cell h3 { font-size: clamp(18px, 1.8vw, 26px); text-transform: uppercase; letter-spacing: -0.015em; line-height: 1.1; margin-bottom: 12px; }
.process-cell p { color: var(--grey); font-size: 14px; }
@media (max-width: 900px) { .process-grid { grid-template-columns: 1fr 1fr; } .process-cell:nth-child(2n) { border-right: 0; } .process-cell:nth-child(-n+2) { border-bottom: 1px solid var(--line-dark); } }
@media (max-width: 560px) { .process-grid { grid-template-columns: 1fr; } .process-cell { border-right: 0; } .process-cell:nth-child(-n+2) { border-bottom: 0; } .process-cell:not(:last-child) { border-bottom: 1px solid var(--line-dark); } }

/* ---------- 杂项 ---------- */
.section-gap { height: 1px; }
.notice { background: var(--accent); color: var(--paper); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; }
.notice .container { padding-top: 8px; padding-bottom: 8px; text-align: center; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ticker-track { animation: none; }
  *, *::before, *::after { transition: none !important; }
}