/* ==========================================================================
   SC05 · Row & Repeat — chain and franchise seating
   Layout: editorial spec-manual (numbered sections, sticky index rail,
   specification tables). Not a shop grid, not a hero carousel.
   ========================================================================== */

:root {
  /* 取自 cqmade.com 线上计算样式（非目测）：
     #143138 深青 / #0E3547 次深青 / #F7F2E8 米白 / #FFFFFF 白
     #DEB887 深底正文 / #222222 浅底正文 / #637176 次文字
     #D8A756 黄铜 / #A87324 暗金 / #D27C61 陶土 / #EFD298 沙金细线 */
  --paper: #FFFFFF;
  --cream: #F7F2E8;
  --paper-2: #F2ECDF;
  --card: #FFFFFF;
  --ink: #143138;
  --ink-2: #222222;
  --ink-3: #637176;
  --brand: #143138;
  --brand-2: #0E3547;
  --accent: #A87324;
  --brass: #D8A756;
  --clay: #D27C61;
  --on-dark: #DEB887;
  --line: #E4D9C2;
  --line-2: #EFD298;

  --serif: Arial, Helvetica, sans-serif;
  --sans: Arial, Helvetica, sans-serif;
  --mono: Arial, Helvetica, sans-serif;

  --wrap: 1240px;
  --pad: clamp(18px, 4vw, 44px);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 { margin: 0; font-weight: 400; }

p { margin: 0; }

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

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--pad); }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--brand); color: var(--paper); padding: 10px 16px;
}
.skip:focus { left: 8px; top: 8px; }

/* ------------------------------------------------------------------ 抬头 */
.strip {
  background: #FFFFFF;
  color: var(--ink-3);
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .05em;
  padding: 7px 0;
}
.strip .wrap { display: flex; justify-content: space-between; gap: 18px; }
.strip-r { display: flex; gap: 18px; }
.strip a { color: var(--ink-3); border-bottom: 1px solid var(--line-2); padding-bottom: 1px; }
.strip a:hover { color: var(--accent); border-color: var(--accent); }
.strip-cta { color: var(--brass) !important; }

.masthead {
  position: sticky; top: 0; z-index: 60;
  background: #FFFFFF;
  backdrop-filter: saturate(140%) blur(6px);
  border-bottom: 1px solid var(--line);
}
.masthead .wrap {
  display: flex; align-items: center; gap: clamp(16px, 3vw, 40px);
  min-height: 88px;
}
.mark { display: block; margin-right: auto; flex: none; }
.mark b {
  display: block; white-space: nowrap;
  font-family: var(--serif);
  font-size: clamp(20px, 2.2vw, 26px);
  line-height: 1;
  letter-spacing: -.01em;
}
.mark span {
  display: block;
  margin-top: 5px;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: .05em;
  color: var(--ink-3);
}

/* 顶层导航：Home · Products · 五个类目 · Rollout · Spec Sheet · About · Contact。
   类目直接排在条上，不再收进下拉，所以字距压紧一点，类目字号再小半档。 */
.nav { display: flex; align-items: center; gap: clamp(8px, 1.1vw, 16px); }
.nav a {
  font-size: 13px;
  color: var(--ink-2);
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  white-space: nowrap;
}
.nav a:hover { color: var(--ink); border-color: var(--line-2); }
.nav a[aria-current="page"] { color: var(--ink); border-color: var(--accent); }

.mast-cta { flex: none; }

.burger {
  display: none;
  width: 40px; height: 40px;
  border: 1px solid var(--line-2);
  background: transparent;
  padding: 0;
  cursor: pointer;
}
.burger span {
  display: block; width: 16px; height: 1px; margin: 4px auto;
  background: var(--ink);
}

/* ------------------------------------------------------------------ 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .04em;
  padding: 13px 20px;
  border: 1px solid transparent;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
  white-space: nowrap;
}
.btn-acc { background: var(--brass); color: #143138; }
.btn-acc:hover { background: #C6922F; }
.btn-dark { background: var(--brand); color: var(--paper); }
.btn-dark:hover { background: var(--brand-2); }
.btn-line { border-color: var(--line-2); color: var(--ink); }
.btn-line:hover { border-color: var(--ink); }
.btn-ghost { border-color: rgba(222, 184, 135, .42); color: var(--paper); }
.btn-ghost:hover { border-color: var(--brass); color: var(--brass); }

.kicker {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .05em;
  color: var(--accent);
}
.kicker.light { color: var(--clay); }

/* ------------------------------------------------------------------ 首页封面 */
.cover { background: var(--brand); color: var(--paper); }
/* 左图右文：图占宽的一侧在左，文字块靠右，内边距按镜像给 */
.cover-in {
  display: grid;
  grid-template-columns: minmax(0, 56fr) minmax(0, 44fr);
  align-items: stretch;
}
.cover-txt {
  display: flex; flex-direction: column; justify-content: center;
  order: 2;
  padding: clamp(34px, 3.6vw, 52px) clamp(26px, 4.7vw, 68px)
           clamp(34px, 3.6vw, 52px) clamp(24px, 3vw, 52px);
}
.cover h1 {
  font-family: var(--serif);
  font-weight: 700;
  color: #FFFFFF;
  font-size: clamp(30px, 3.2vw, 45px);
  line-height: 1.1;
  letter-spacing: -.015em;
  margin-top: 16px;
  max-width: 17ch;
}
.lede {
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.66;
  color: var(--ink-2);
  max-width: 52ch;
  margin-top: 22px;
}
.cover-act { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; padding-bottom: 4px; }
.cover-fig {
  margin: 0; position: relative; overflow: hidden;
  order: 1;
  background: var(--brand-2);
  /* 高度按 4:3 取景给足，宽度交给栅格，避免 cover 把画面放大后裁掉上下 */
  min-height: clamp(300px, 39.6vw, 570px);
}
.cover-fig img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; border: 0;
}
/* 首屏轮播：三层叠放，淡入淡出 */
.cover-slide {
  position: absolute; inset: 0; opacity: 0;
  transition: opacity .7s ease;
}
.cover-slide.is-on { opacity: 1; }
.cover-slide:nth-child(1) img { object-position: center 60%; }
.cover-slide:nth-child(2) img { object-position: center 55%; }
.cover-slide:nth-child(3) img { object-position: center 74%; }
.cover-dots {
  position: absolute; left: 50%; bottom: 18px; transform: translateX(-50%);
  display: flex; gap: 8px; z-index: 3;
}
.cover-dot {
  width: 7px; height: 7px; padding: 0; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .9); background: rgba(23, 47, 58, .38);
  box-shadow: 0 0 0 1px rgba(23, 47, 58, .38);
  cursor: pointer; transition: background .2s ease, border-color .2s ease;
}
.cover-dot.is-on { background: #FFFFFF; border-color: #FFFFFF; box-shadow: 0 0 0 1px rgba(23, 47, 58, .5); }
.cover-dot:hover { background: rgba(255, 255, 255, .8); }
.cover-fig figcaption {
  position: absolute; left: 16px; right: auto; bottom: 16px;
  max-width: 330px; margin: 0; padding: 11px 15px;
  background: #FFFFFF; color: var(--ink-2);
  border-left: 3px solid var(--brass);
  font-family: var(--sans); font-size: 12px; line-height: 1.45;
  letter-spacing: 0; text-transform: none;
}
.phero-fig figcaption,
.pd-gal-note {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--ink-3);
  margin-top: 10px;
}
.cover-rows {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid rgba(222, 184, 135, .28);
}
.cr-row {
  display: block;
  padding: 18px 24px 22px clamp(18px, 2.2vw, 30px);
  border-left: 1px solid rgba(222, 184, 135, .2);
}
.cr-row:first-child { border-left: 0; padding-left: clamp(26px, 4.7vw, 68px); }
.cr-row b { display: block; margin-top: 7px; }
.cr-row span {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .05em;
  color: var(--ink-3);
}
.cr-row b { font-weight: 400; font-size: 14px; }

/* 封面在深青底上的反转 */
.cover .kicker { color: var(--brass); }
.cover .kicker::before {
  content: ""; display: block; width: 48px; height: 2px;
  background: var(--brass); margin: 0 0 26px;
}
.cover .lede { color: var(--on-dark); }
.cover .btn-line { border-color: rgba(222, 184, 135, .38); color: var(--paper); }
.cover .btn-line:hover { border-color: var(--brass); color: var(--brass); }
.cover .cr-row span { color: rgba(222, 184, 135, .62); }
.cover .cr-row b { color: var(--paper); }

/* ------------------------------------------------------------------ 信任条 */
.trust { background: var(--cream); border-bottom: 1px solid var(--line); }
.tgrid { display: grid; grid-template-columns: repeat(4, 1fr); }
.tcell {
  padding: 26px clamp(14px, 2vw, 26px) 28px;
  border-left: 1px solid var(--line);
}
.tcell:first-child { border-left: 0; padding-left: 0; }
.tn {
  display: block;
  font-family: var(--mono); font-size: 10px; letter-spacing: .16em;
  color: var(--accent); margin-bottom: 10px;
}
.tcell b { display: block; font-family: var(--serif); font-size: 30px; line-height: 1; font-weight: 400; }
.tcell p { font-size: 13px; line-height: 1.55; color: var(--ink-2); margin-top: 10px; }

/* ------------------------------------------------------------------ 通用区块 */
.sec { padding: clamp(52px, 6.4vw, 92px) 0; }
.sec-tight { background: var(--cream); padding: clamp(34px, 4vw, 56px) 0 clamp(52px, 6vw, 80px); }
.sec-alt { background: var(--cream); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sec-head { max-width: 760px; margin-bottom: clamp(26px, 3.4vw, 46px); }
.sec-head h2 {
  font-family: var(--serif);
  font-size: clamp(26px, 3.3vw, 42px);
  line-height: 1.1;
  letter-spacing: -.015em;
  margin-top: 12px;
}
.sec-head p { margin-top: 14px; color: var(--ink-2); font-size: 15.5px; line-height: 1.68; max-width: 64ch; }
.sec-foot { margin-top: 26px; }

/* 家族卡 */
.rgrid {
  display: grid;
  /* 六个家族排三列两行。容器上限 1152，六列会压到 191px 一行只能放四个词，
     三列 383px 才放得下段落。类目增减时记得看末行是否留空。 */
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.rcard { background: var(--brand); color: var(--paper); display: flex; flex-direction: column; }
.rcard .ph { overflow: hidden; background: var(--paper-2); }
/* 类目卡图位改 1:1：16:11 的横位容不下竖构图（吧椅 0.8、套装/桌子 1:1、椅子 3:4），
   只能靠 cover 砍掉主体。方图位是能同时装下这几种构图的最小公共比例。 */
.rcard .ph img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; transition: transform .5s ease; }
.rcard:hover .ph img { transform: scale(1.03); }
/* flex:1 + p 的 flex:1，让五张卡的 CTA 全部贴底对齐，文字行数不同也不歪 */
.rc-b { padding: 16px 15px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.rn { font-family: var(--mono); font-size: 10px; letter-spacing: .16em; color: var(--brass); }
.rcard h3 { font-family: var(--serif); font-weight: 700; font-size: 19px; line-height: 1.2; color: #FFFFFF; }
.rcard p { font-size: 12.5px; line-height: 1.55; color: var(--on-dark); flex: 1; }
.go {
  font-family: var(--mono); font-size: 10px; letter-spacing: .05em;
  color: var(--ink-3);
}
.rcard .go { color: rgba(222, 184, 135, .62); }
.rcard:hover .go { color: var(--brass); }

/* 首页产品墙 · 纯图，鼠标悬停才出型号与品名 */
.sec-wall { padding-top: clamp(20px, 2.6vw, 40px); }
.wall {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.wcell { position: relative; display: block; overflow: hidden; background: var(--paper-2); }
.wcell img {
  display: block; width: 100%; height: auto; aspect-ratio: 1 / 1;
  object-fit: cover; transition: transform .6s ease;
}
.wcell:hover img, .wcell:focus-visible img { transform: scale(1.05); }
.wcap {
  position: absolute; left: 0; right: 0; bottom: 0;
  display: flex; flex-direction: column; gap: 3px;
  padding: 30px 9px 9px;
  background: linear-gradient(to top, rgba(20, 49, 56, .94), rgba(20, 49, 56, 0));
  opacity: 0; transform: translateY(6px);
  transition: opacity .28s ease, transform .28s ease;
}
.wcell:hover .wcap, .wcell:focus-visible .wcap { opacity: 1; transform: none; }
.wcap b {
  font-family: var(--mono); font-weight: 400; font-size: 9.5px;
  letter-spacing: .12em; color: var(--brass);
}
.wcap i {
  font-style: normal; font-size: 10.5px; line-height: 1.32; color: #FFFFFF;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.wall-foot {
  margin-top: 22px; max-width: 78ch;
  font-size: 13px; line-height: 1.62; color: var(--ink-3);
}
.wall-foot a { color: var(--ink); border-bottom: 1px solid var(--line-2); }
.wall-foot a:hover { color: var(--accent); border-color: var(--accent); }
.wall-cta { margin-top: 20px; }
@media (max-width: 1000px) { .wall { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (max-width: 640px) { .wall { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (hover: none) { .wcap { display: none; } }

/* 分类页与目录页的图墙：格子少一些，图大一些 */
.wall-cat { grid-template-columns: repeat(6, minmax(0, 1fr)); margin-top: 18px; }
.blk-grid .wall-cat { margin-top: 20px; }
@media (max-width: 1000px) { .wall-cat { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 640px) { .wall-cat { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* 左图右文 */
.split { display: grid; grid-template-columns: .92fr 1.08fr; gap: clamp(26px, 4vw, 64px); align-items: start; }
.split-fig { margin: 0; }
.split-fig img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border: 1px solid var(--line-2); }
.split-txt h2 {
  font-family: var(--serif); font-size: clamp(24px, 2.9vw, 36px);
  line-height: 1.14; letter-spacing: -.015em; margin: 12px 0 0;
}
.split-txt > p { margin-top: 16px; color: var(--ink-2); font-size: 15.5px; line-height: 1.68; }
.pts { margin-top: 26px; border-top: 1px solid var(--line-2); }
.pts li { display: grid; grid-template-columns: 42px 1fr; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.pn { font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; color: var(--accent); padding-top: 3px; }
.pts b { display: block; font-weight: 500; font-size: 14.5px; }
.pts p { margin-top: 5px; font-size: 13.5px; line-height: 1.6; color: var(--ink-2); }
.split-txt .btn { margin-top: 28px; }


/* 五步 */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(0, 1fr)); gap: 1px; background: var(--line); border-top: 1px solid var(--ink); }
.step { background: var(--paper); padding: 20px 18px 24px; }
.sn { font-family: var(--mono); font-size: 10.5px; letter-spacing: .05em; color: var(--accent); }
.step h3 { font-family: var(--serif); font-size: 18px; margin-top: 12px; line-height: 1.2; }
.step p { font-size: 13px; line-height: 1.6; color: var(--ink-2); margin-top: 8px; }

/* ------------------------------------------------------------------ 内页首屏 */
.phero { padding-top: clamp(26px, 3.4vw, 50px); }
.phero .wrap {
  display: grid; grid-template-columns: 1.06fr .94fr;
  gap: clamp(26px, 4vw, 58px); align-items: start;
}
.phero-solo .wrap { grid-template-columns: 1fr; max-width: 900px; }
.phero h1 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(28px, 3.7vw, 46px);
  line-height: 1.08;
  letter-spacing: -.015em;
  margin-top: 14px;
  max-width: 20ch;
}
.hero-facts {
  margin: 30px 0 0; border-top: 1px solid var(--ink);
  display: grid; grid-template-columns: 1fr 1fr; column-gap: clamp(18px, 3vw, 40px);
}
.hero-facts > div {
  display: grid; grid-template-columns: minmax(84px, 42%) 1fr; gap: 10px;
  align-items: baseline; padding: 11px 0; border-bottom: 1px solid var(--line);
}
.hero-facts dt {
  font-family: var(--mono); font-size: 9.5px; letter-spacing: .05em;
  color: var(--ink-3); margin: 0;
}
.hero-facts dd { margin: 0; font-size: 13px; line-height: 1.45; }
.phero-fig { margin: 0; display: flex; flex-direction: column; justify-content: flex-start; }
/* 按图片自身比例出图，不做 cover 拉伸裁切 —— 配图是实拍/图纸，切掉两侧等于看不到全景。
   各页配图比例不一（4:3 横图、1.6 横图、0.8 竖图），所以不写死 aspect-ratio，
   width/height 属性由 build 按文件真实尺寸输出，加载前后不会跳。 */
.phero-fig img {
  width: 100%; height: auto;
  object-fit: cover; border: 1px solid var(--line-2);
}

.crumb {
  font-family: var(--mono); font-size: 10px; letter-spacing: .05em;
  color: var(--ink-3);
  padding: 18px 0 10px;
}
.crumb a { color: var(--ink-2); }
.crumb a:hover { color: var(--accent); }
.crumb span { margin: 0 8px; color: var(--line-2); }
.crumb b { font-weight: 400; color: var(--ink); }

/* 文档区：左索引 + 右正文 */
.doc {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: clamp(24px, 4vw, 60px);
  padding: clamp(24px, 3vw, 42px) 0 clamp(50px, 6vw, 80px);
  border-top: 1px solid var(--ink);
  margin-top: clamp(24px, 3.4vw, 40px);
}
.doc-narrow { grid-template-columns: minmax(0, 1fr); max-width: 820px; }
.doc-solo { grid-template-columns: minmax(0, 1fr); }
.rail {
  position: sticky; top: 104px; align-self: start;
  display: flex; flex-direction: column; gap: 2px;
  border-left: 1px solid var(--line-2);
  padding-left: 2px;
}
.rail a {
  display: block;
  font-size: 12.5px; line-height: 1.4;
  color: var(--ink-3);
  padding: 7px 0 7px 14px;
  border-left: 1px solid transparent;
  margin-left: -2px;
}
.rail a span {
  font-family: var(--mono); font-size: 9.5px; letter-spacing: .1em;
  margin-right: 8px; color: var(--line-2);
}
.rail a:hover { color: var(--ink); }
.rail a.is-on { color: var(--ink); border-left-color: var(--accent); }
.rail a.is-on span { color: var(--accent); }

.blk { margin-bottom: clamp(26px, 3.2vw, 42px); }
.blk h2 {
  font-family: var(--serif);
  font-size: clamp(21px, 2.3vw, 27px);
  line-height: 1.22;
  letter-spacing: -.01em;
  display: flex; align-items: baseline; gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}
.blk h2 .n {
  font-family: var(--mono); font-size: 11px; letter-spacing: .1em;
  color: var(--accent); flex: none;
}
.blk-rel h2 { padding-left: 0; }
.blk-grid h2 .n { color: var(--line-2); }
.blk h2 .cnt {
  font-family: var(--mono); font-size: 10px; letter-spacing: .05em;
  color: var(--ink-3); margin-left: auto;
}
.blk > p { margin-top: 14px; font-size: 15.5px; line-height: 1.72; color: var(--ink-2); max-width: 70ch; }
.blk p + p { margin-top: 12px; }
.blk-intro { font-size: 14.5px; color: var(--ink-3); max-width: 62ch; margin-top: 10px; }
.blk ul.tight { margin-top: 14px; display: grid; gap: 8px; }
.blk ul.tight li {
  font-size: 14px; color: var(--ink-2); padding-left: 16px; position: relative; line-height: 1.55;
}
.blk ul.tight li::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 5px; height: 1px; background: var(--accent);
}
.doc-split { display: grid; grid-template-columns: minmax(0, 1fr) 250px; gap: clamp(22px, 3vw, 44px); }
.doc-side { align-self: start; position: sticky; top: 104px; }
.side-card {
  border: 1px solid var(--line-2);
  background: var(--paper-2);
  padding: 18px 18px 20px;
}
.side-card h4 {
  font-family: var(--mono); font-size: 10px; letter-spacing: .05em;
  color: var(--accent); margin-bottom: 12px;
}
.side-card li { font-size: 12.5px; color: var(--ink-2); }

/* 产品网格 */
.pgrid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--line); border: 1px solid var(--line);
}
.pcard {
  background: var(--card); display: flex; flex-direction: column;
  transition: background .18s ease;
}
.pcard:hover { background: #FCFAF4; }
.pcard .ph { background: var(--paper-2); overflow: hidden; }
.pcard .ph img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
.pc-b { padding: 14px 15px 18px; display: flex; flex-direction: column; gap: 6px; }
.pc-model { font-family: var(--mono); font-size: 10px; letter-spacing: .12em; color: var(--accent); }
.pcard h3 { font-size: 14.5px; line-height: 1.32; font-weight: 500; }
.pc-specs { display: grid; gap: 4px; margin-top: 4px; }
.pc-specs li {
  font-family: var(--mono); font-size: 10.5px; color: var(--ink-3);
  line-height: 1.45;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.pc-go {
  font-family: var(--mono); font-size: 9.5px; letter-spacing: .05em;
  color: var(--ink-3); margin-top: 6px;
}
.pcard:hover .pc-go { color: var(--accent); }

/* 产品网格翻页：每页 12 条（3 列 × 4 行），由 js/site.js 接管 */
.pgrid .pcard[hidden] { display: none; }
.pager {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: 6px; margin-top: clamp(24px, 3vw, 34px);
}
.pager[hidden] { display: none; }
.pager button {
  min-width: 40px; height: 40px; padding: 0 12px;
  background: transparent; border: 1px solid var(--line-2); color: var(--ink-2);
  font-family: var(--mono); font-size: 12px; letter-spacing: .05em;
  cursor: pointer; transition: border-color .18s ease, color .18s ease, background .18s ease;
}
.pager button:hover:not(:disabled):not([aria-current]) {
  border-color: var(--accent); color: var(--accent);
}
.pager button[aria-current="page"] {
  background: var(--ink); border-color: var(--ink); color: var(--paper);
}
.pager button:disabled { opacity: .32; cursor: not-allowed; }
.pager .pg-gap {
  min-width: 16px; text-align: center; color: var(--ink-3);
  font-family: var(--mono); font-size: 12px;
}
.pager .pg-total {
  margin-left: 10px; color: var(--ink-3);
  font-family: var(--mono); font-size: 11px; letter-spacing: .1em;
}

/* 相关链接 */
.rel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.rel { background: var(--card); padding: 20px 18px 22px; display: flex; flex-direction: column; gap: 8px; }
.rel h3 { font-family: var(--serif); font-size: 18px; line-height: 1.2; }
.rel p { font-size: 13px; line-height: 1.55; color: var(--ink-2); flex: 1; }
.rel:hover { background: #FCFAF4; }
.rel:hover .go { color: var(--accent); }

/* FAQ */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer;
  padding: 16px 34px 16px 0; position: relative;
  font-size: 14.5px; font-weight: 500; color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 4px; top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono); font-size: 15px; color: var(--accent);
}
.faq details[open] summary::after { content: "–"; }
.faq .ans { padding: 0 34px 18px 0; }
.faq .ans p { font-size: 14px; line-height: 1.7; color: var(--ink-2); max-width: 72ch; }
.faq-page .faq { border-top: 1px solid var(--ink); }

/* 产品详情 */
.pd { padding-top: clamp(18px, 2.4vw, 32px); }
.pd-grid { display: grid; grid-template-columns: 1.04fr .96fr; gap: clamp(26px, 4vw, 56px); align-items: start; }
.pd-main { margin: 0; }
.pd-main img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; border: 1px solid var(--line-2); }
.pd-info h1 {
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(23px, 2.6vw, 33px);
  line-height: 1.15; letter-spacing: -.012em; margin-top: 12px;
}
.pd-lede {
  margin-top: 14px; font-family: var(--mono); font-size: 11.5px;
  letter-spacing: .04em; color: var(--ink-3);
}
.spec { width: 100%; border-collapse: collapse; margin-top: 22px; }
.spec th {
  text-align: left; vertical-align: top;
  font-family: var(--mono); font-size: 9.5px; font-weight: 400;
  letter-spacing: .05em; color: var(--ink-3);
  padding: 9px 12px 9px 0; border-bottom: 1px solid var(--line);
  width: 34%;
}
.spec td {
  font-size: 13.5px; color: var(--ink); padding: 9px 0;
  border-bottom: 1px solid var(--line);
}
.pd-act { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.pd-note {
  margin-top: 16px; font-family: var(--mono); font-size: 10px;
  letter-spacing: .05em; color: var(--ink-3);
}
.prose-p { margin-bottom: 14px; font-size: 15.5px; line-height: 1.72; color: var(--ink-2); max-width: 70ch; }
.body-h {
  font-family: var(--mono); font-size: 10px; letter-spacing: .05em;
  color: var(--ink-3);
  margin: 26px 0 6px; padding-top: 14px; border-top: 1px solid var(--line);
}
.spec-list { max-width: 70ch; margin-bottom: 18px; }
.spec-list li {
  display: grid; grid-template-columns: 132px minmax(0, 1fr); gap: 16px;
  align-items: baseline;
  padding: 10px 0; border-bottom: 1px solid var(--line);
}
.spec-list b {
  font-family: var(--mono); font-size: 9.5px; font-weight: 400;
  letter-spacing: .05em; color: var(--ink-3);
}
.spec-list span { font-size: 13.5px; line-height: 1.5; color: var(--ink); }
.prose-p a { color: var(--ink); border-bottom: 1px solid var(--accent); }
.prose-p a:hover { color: var(--accent); }

/* 关于页 */
.facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-bottom: 32px; }
.fcell { background: var(--card); padding: 20px 18px; }
.fcell b { display: block; font-family: var(--serif); font-size: 19px; font-weight: 400; }
.fcell p { margin-top: 7px; font-size: 13px; color: var(--ink-2); line-height: 1.55; }

/* 车间工序图带 */
.ws { margin-bottom: 32px; }
.ws-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px; background: var(--line); border: 1px solid var(--line);
  margin-top: 22px;
}
.ws-cell { margin: 0; background: var(--card); }
.ws-cell img {
  display: block; width: 100%; height: auto;
  aspect-ratio: 4 / 3; object-fit: cover;
}
.ws-cell figcaption { padding: 13px 15px 16px; }
.ws-cell b { display: block; font-family: var(--serif); font-size: 16px; font-weight: 400; }
.ws-cell span { display: block; margin-top: 6px; font-size: 12.5px; color: var(--ink-2); line-height: 1.5; }

/* 联系表单 */
.brief { margin-top: 22px; max-width: 620px; display: grid; gap: 18px; }
.frow { display: grid; gap: 6px; }
.frow label {
  font-family: var(--mono); font-size: 9.5px; letter-spacing: .05em;
  color: var(--ink-3);
}
.frow input, .frow textarea {
  font-family: var(--sans); font-size: 15px; color: var(--ink);
  background: transparent; border: 0; border-bottom: 1px solid var(--line-2);
  padding: 9px 0; outline: none; resize: vertical;
}
.frow input:focus, .frow textarea:focus { border-color: var(--accent); }
.brief .btn { justify-self: start; }
.form-note { font-family: var(--mono); font-size: 10px; letter-spacing: .08em; color: var(--ink-3); }

/* CTA 带 */
.band { background: var(--brass); color: var(--brand); padding: clamp(44px, 5.4vw, 74px) 0; }
.band-in { display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(24px, 4vw, 56px); align-items: end; }
.band h2 {
  font-family: var(--serif); font-weight: 700; font-size: clamp(26px, 3.2vw, 42px);
  line-height: 1.1; letter-spacing: -.022em; margin-top: 12px; max-width: 22ch;
  color: var(--brand);
}
.band p { margin-top: 14px; font-size: 14.5px; line-height: 1.68; color: rgba(20, 49, 56, .78); max-width: 52ch; }
.band-act { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.band-note {
  font-family: var(--mono); font-size: 10px; letter-spacing: .05em;
  color: rgba(20, 49, 56, .62);
}

/* 黄铜底上的反转 */
.band .kicker.light { color: #7A5015; }
.band .btn-acc { background: var(--brand); color: var(--paper); }
.band .btn-acc:hover { background: #0C2429; }
.band .btn-ghost { border-color: rgba(20, 49, 56, .38); color: var(--brand); }
.band .btn-ghost:hover { border-color: var(--brand); }

/* 页脚 */
.foot { background: var(--cream); border-top: 1px solid var(--line-2); padding: clamp(34px, 4vw, 52px) 0 22px; }
.foot-top { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: clamp(20px, 3vw, 44px); }
.foot-mark b { font-family: var(--serif); font-size: 22px; font-weight: 400; }
.foot-mark p { margin-top: 10px; font-size: 13px; line-height: 1.6; color: var(--ink-2); max-width: 34ch; }
.foot-col h4 {
  font-family: var(--mono); font-size: 9.5px; letter-spacing: .05em;
  color: var(--ink-3); margin-bottom: 12px;
}
.foot-col li { font-size: 13px; line-height: 1.9; color: var(--ink-2); }
.foot-col a:hover { color: var(--accent); }
.foot-bot {
  margin-top: clamp(24px, 3vw, 38px); padding-top: 16px;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-family: var(--mono); font-size: 10px; letter-spacing: .05em;
  color: var(--ink-3);
}

/* WhatsApp 浮窗 */
.wa { position: fixed; right: clamp(14px, 2vw, 26px); bottom: clamp(14px, 2vw, 26px); z-index: 90; }
.wa[hidden] { display: none; }
.wa.is-in { animation: waIn .5s ease both; }
@keyframes waIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.wa-btn {
  width: 54px; height: 54px; border-radius: 50%;
  background: var(--brand); color: #FFFFFF;
  border: 1px solid rgba(245, 242, 234, .3);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; padding: 0;
  box-shadow: 0 6px 20px rgba(20, 49, 56, .22);
}
.wa-btn svg { width: 26px; height: 26px; }
.wa-btn:hover { background: var(--brand-2); }
.wa-panel {
  width: 268px; margin-bottom: 10px;
  background: var(--card); border: 1px solid var(--line-2);
  padding: 18px 18px 16px;
  box-shadow: 0 12px 34px rgba(20, 49, 56, .18);
  position: relative;
}
.wa-panel[hidden] { display: none; }
.wa-panel b { font-family: var(--serif); font-size: 17px; font-weight: 400; }
.wa-panel p { margin: 8px 0 14px; font-size: 12.5px; line-height: 1.55; color: var(--ink-2); }
.wa-panel .btn { width: 100%; }
.wa-x {
  position: absolute; top: 6px; right: 8px;
  background: none; border: 0; cursor: pointer;
  font-size: 18px; line-height: 1; color: var(--ink-3);
}
.wa-x:hover { color: var(--ink); }

/* ------------------------------------------------------------------ 响应式 */
@media (max-width: 1080px) {
  /* 六类在 2 列下正好三行，末格不再跨满（五类时代跨满是补空位用的）。 */
  .rgrid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .doc { grid-template-columns: 1fr; }
  .rail { display: none; }
  .doc-split { grid-template-columns: 1fr; }
  .doc-side { position: static; }
  .pgrid { grid-template-columns: repeat(2, 1fr); }
  .pager button { min-width: 34px; height: 34px; padding: 0 8px; font-size: 11px; }
  .pager .pg-total { margin-left: 4px; letter-spacing: .06em; }
}

/* 导航项多（Home + Products + 五类 + 四个页面页），1200 以下整条收进汉堡抽屉：
   11 项在 1200 刚好排满，再窄就横向挤爆。 */
@media (max-width: 1200px) {
  .nav { display: none; }
  .burger { display: block; }
  .masthead .wrap { min-height: 64px; }
  .nav.is-open {
    display: flex; flex-direction: column; align-items: flex-start; gap: 0;
    position: absolute; left: 0; right: 0; top: 100%;
    background: #FFFFFF; border-bottom: 1px solid var(--line);
    padding: 8px var(--pad) 16px;
  }
  .nav.is-open a { width: 100%; padding: 12px 0; border-bottom: 1px solid var(--line); }
  /* 抽屉里类目与普通项一样摊成一行一项，样式无需分开 */
}

@media (max-width: 900px) {
  .mast-cta { display: none; }
  .cover-in, .phero .wrap, .pd-grid, .split, .band-in { grid-template-columns: 1fr; }
  /* 小屏回到文字在前、图在后，标题不落到首屏之外 */
  .cover-txt, .cover-fig { order: 0; }
  .cover h1 { max-width: none; }
  .cover-fig img { height: 100%; }
  /* 小屏图注上移，给底部轮播圆点让位 */
  .cover-fig figcaption { bottom: 44px; max-width: min(280px, calc(100% - 32px)); padding: 8px 12px; font-size: 11px; }
  .cover-rows { grid-template-columns: 1fr; }
  .cover .cr-row, .cover .cr-row:first-child { border-left: 0; padding-left: var(--pad); padding-right: var(--pad); }
  .cover .cr-row + .cr-row { border-top: 1px solid rgba(222, 184, 135, .2); }
  .ws-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tgrid { grid-template-columns: repeat(2, 1fr); }
  .tcell { border-left: 0; padding-left: 0; }
  .tcell:nth-child(odd) { border-right: 1px solid var(--line); }
  .foot-top { grid-template-columns: 1fr 1fr; }
  .facts { grid-template-columns: 1fr; }
  .rel-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  body { font-size: 15px; }
  .strip { font-size: 9px; letter-spacing: .05em; }
  .strip .wrap { flex-direction: column; gap: 4px; }
  .strip-r { gap: 12px; }
  .rgrid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .pgrid { grid-template-columns: 1fr; }
  .tgrid { grid-template-columns: 1fr; }
  .tcell:nth-child(odd) { border-right: 0; }
  .foot-top { grid-template-columns: 1fr; }
  .foot-bot { flex-direction: column; gap: 6px; }
  .cover-act .btn, .band-act .btn { width: 100%; }
  .band-act { align-items: stretch; }
  .faq summary { font-size: 14px; }
  .pd-act .btn { width: 100%; }
  .wa-panel { width: min(268px, calc(100vw - 40px)); }
  /* 窄屏下 2×2 事实格每格只剩 ~150px，标签占 42% 后正文被压成一行一两个词，改成标签压在值上方 */
  .hero-facts > div { grid-template-columns: 1fr; gap: 3px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .wa.is-in { animation: none; }
  .rcard .ph img { transition: none; }
}

/* 打印：文档式版式本来就适合打印 */
@media print {
  .strip, .masthead, .wa, .band, .foot { display: none !important; }
  body { background: #fff; }
  .doc { border-top: 0; }
}