/* ============================================================
   企业官网 —— 视觉系统 v2
   风格：简约大气 / 高端制造业质感
   配色：暖白底 + 墨黑字 + 品牌红强调 + 古铜金点缀   圆角：小   留白：大
   ============================================================ */

/* ---------- 变量 ---------- */
:root {
  --ink:      #14171C;
  --ink-2:    #3F454D;
  --ink-3:    #6B7280;
  --ink-4:    #97A0AB;

  --paper:    #FBFAF7;
  --paper-2:  #FFFFFF;
  --paper-3:  #F2EFE9;
  --line:     #E7E3DB;
  --line-2:   #D6D1C6;

  --brand:    #B91C1C;
  --brand-2:  #991B1B;
  --brand-3:  #7F1D1D;
  --gold:     #A87C2C;
  --gold-2:   #C9A86A;

  --r:        3px;
  --r-lg:     6px;
  --ease:     cubic-bezier(.22,.61,.36,1);
  --ease-out: cubic-bezier(.16,.84,.44,1);

  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
          "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;

  --hdr-h: 76px;
  --maxw: 1240px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-2);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
h1, h2, h3, h4 { margin: 0; color: var(--ink); font-weight: 600; letter-spacing: -.015em; line-height: 1.25; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; }

/* ---------- 布局 ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }
.section { padding: 108px 0; }
.section--soft { background: var(--paper-3); }
.section--dark { background: linear-gradient(135deg, #7F1D1D 0%, #2A0505 100%); color: #E5E5E5; }
.section--dark h2, .section--dark h3 { color: #fff; }
.section--tight { padding: 76px 0; }

/* ---------- 顶部滚动进度 ---------- */
.prog {
  position: fixed; top: 0; left: 0; height: 2px; width: 0;
  background: var(--gold); z-index: 200; transition: width .1s linear;
}

/* ---------- 页头 ---------- */
.hdr {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--hdr-h);
  background: rgba(251,250,247,.82);
  backdrop-filter: saturate(150%) blur(14px);
  -webkit-backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: background .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
}
.hdr.is-solid {
  background: rgba(251,250,247,.96);
  border-bottom-color: rgba(212,175,55,.22);
  box-shadow: 0 1px 24px rgba(14,17,22,.05);
}
.hdr__in {
  max-width: var(--maxw); margin: 0 auto; height: 100%;
  padding: 0 32px; display: flex; align-items: center; gap: 32px;
}

.logo { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.logo__mark {
  width: 38px; height: 38px; flex: 0 0 38px;
  display: grid; place-items: center;
  background: var(--brand); color: #fff;
  font-size: 13px; font-weight: 700; letter-spacing: .04em;
  border-radius: var(--r);
  overflow: hidden;
}
.logo__mark img {
  width: auto; height: 100%; max-width: 140px;
  display: block; object-fit: contain;
}
.logo__mark--img {
  width: auto; flex: 0 0 auto; height: auto; max-height: 46px; padding: 0;
  background: transparent;
}
.logo__box { display: flex; flex-direction: column; line-height: 1.2; }
.logo__txt { font-size: 16px; font-weight: 600; color: var(--ink); letter-spacing: -.01em; }
.logo__sub { font-size: 9.5px; color: var(--ink-4); letter-spacing: .2em; text-transform: uppercase; }
.logo.has-logo .logo__box { display: none; }
.logo.has-logo .logo__mark { display: flex; }

.nav { display: flex; align-items: center; gap: 34px; margin-left: auto; }
.nav a {
  position: relative; font-size: 14.5px; color: var(--ink-2); font-weight: 500;
  padding: 6px 0; transition: color .25s var(--ease);
}
.nav a::after {
  content: ''; position: absolute; left: 0; bottom: 0; height: 1px; width: 0;
  background: var(--gold); transition: width .3s var(--ease);
}
.nav a:hover { color: var(--ink); }
.nav a:hover::after, .nav a.is-on::after { width: 100%; }
.nav a.is-on { color: var(--ink); }

.hdr__cta {
  flex: 0 0 auto;
  padding: 10px 22px; font-size: 13.5px; font-weight: 600; letter-spacing: .01em;
  color: #fff; background: var(--brand); border-radius: var(--r);
  transition: background .25s var(--ease), transform .25s var(--ease);
}
.hdr__cta:hover { background: var(--brand-2); transform: translateY(-1px); }

.nav__toggle { display: none; margin-left: auto; width: 40px; height: 40px; background: none; border: 0; cursor: pointer; position: relative; }
.nav__toggle span, .nav__toggle span::before, .nav__toggle span::after {
  position: absolute; left: 9px; width: 22px; height: 1.5px; background: var(--ink); transition: .3s var(--ease);
}
.nav__toggle span { top: 19px; }
.nav__toggle span::before { content: ''; top: -7px; left: 0; }
.nav__toggle span::after { content: ''; top: 7px; left: 0; }
.nav__toggle.is-on span { background: transparent; }
.nav__toggle.is-on span::before { transform: translateY(7px) rotate(45deg); }
.nav__toggle.is-on span::after { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 15px 32px; font-size: 14.5px; font-weight: 600; letter-spacing: .01em;
  border: 1px solid transparent; border-radius: var(--r); cursor: pointer;
  transition: all .3s var(--ease); white-space: nowrap;
}
.btn--primary { background: var(--brand); color: #fff; }
.btn--primary:hover { background: var(--brand-2); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(185,28,28,.18); }
.btn--gold { background: var(--gold); color: #fff; }
.btn--gold:hover { background: #B8972E; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(212,175,55,.24); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn--ghost:hover { border-color: var(--ink); background: rgba(14,17,22,.03); transform: translateY(-2px); }
.btn--light { background: transparent; color: #fff; border-color: rgba(255,255,255,.32); }
.btn--light:hover { background: rgba(14,17,22,.1); border-color: rgba(255,255,255,.6); }
.btn__arw { transition: transform .3s var(--ease); }
.btn:hover .btn__arw { transform: translateX(4px); }

/* ---------- 首屏 ---------- */
.hero {
  position: relative; padding: calc(var(--hdr-h) + 92px) 0 92px;
  background: var(--paper); overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(900px 520px at 78% 8%, rgba(212,175,55,.13), transparent 62%),
    radial-gradient(700px 500px at 8% 92%, rgba(185,28,28,.07), transparent 60%);
  pointer-events: none;
}
.hero::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(14,17,22,.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(14,17,22,.045) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: radial-gradient(1000px 620px at 60% 30%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(1000px 620px at 60% 30%, #000 20%, transparent 78%);
}
.hero__in { position: relative; z-index: 2; max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }
.hero__grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 72px; align-items: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 11px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 26px;
}
.eyebrow::before { content: ''; width: 26px; height: 1px; background: var(--gold); }
.eyebrow--light { color: var(--gold-2); }
.eyebrow--light::before { background: var(--gold-2); }

.hero h1 {
  font-size: 60px; line-height: 1.14; letter-spacing: -.03em; font-weight: 600;
  margin-bottom: 26px; color: var(--ink);
}
.hero h1 em { font-style: normal; color: var(--gold); }
.hero__lead {
  font-size: 17px; line-height: 1.85; color: var(--ink-2);
  max-width: 30em; margin-bottom: 40px;
}
.hero__btns { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 64px; }

/* 首屏视觉块 */
.hero__vis { position: relative; }
.hero__vis-main {
  position: relative; aspect-ratio: 1 / 1; border-radius: var(--r-lg);
  background: linear-gradient(145deg, var(--brand) 0%, var(--brand-2) 55%, #7F1D1D 100%);
  overflow: hidden; box-shadow: 0 30px 70px rgba(185,28,28,.22);
}
.hero__vis-main::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 44px 44px;
}
.hero__vis-main::after {
  content: attr(data-txt);
  position: absolute; inset: 0; display: grid; place-items: center;
  color: rgba(212,175,55,.45); font-size: 13px; letter-spacing: .3em;
}
.hero__badge {
  position: absolute; left: -28px; bottom: 42px; z-index: 3;
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 20px 24px;
  box-shadow: 0 18px 44px rgba(14,17,22,.12);
}
.hero__badge b { display: block; font-size: 30px; font-weight: 600; color: var(--ink); line-height: 1.1; letter-spacing: -.02em; }
.hero__badge span { font-size: 12.5px; color: var(--ink-3); }

/* ---------- 加工中心大图标 ---------- */
.proc-icon {
  display: block; width: 100%; max-width: 460px; height: auto;
  margin: 0 0 0 auto;
  filter: drop-shadow(0 26px 48px rgba(14,17,22,.10));
  animation: procFloat 7s ease-in-out infinite;
}
@keyframes procFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@media (prefers-reduced-motion: reduce) {
  .proc-icon { animation: none; }
}

/* ---------- 数据条 ---------- */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
}
.stats__i { padding: 0 24px; position: relative; }
.stats__i + .stats__i { border-left: 1px solid var(--line); }
.stats__i:first-child { padding-left: 0; }
.stats__n {
  font-size: 42px; font-weight: 600; color: var(--ink);
  letter-spacing: -.03em; line-height: 1.1; font-variant-numeric: tabular-nums;
}
.stats__n sup { font-size: 18px; font-weight: 500; color: var(--gold); top: -.7em; margin-left: 2px; }
.stats__l { font-size: 13px; color: var(--ink-3); letter-spacing: .04em; }

/* ---------- 服务网络 ---------- */
.netline { margin: 0; }

/* ---------- 区块标题 ---------- */
.sec-hd { margin-bottom: 56px; max-width: 44em; }
.sec-hd--center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-hd__eyebrow { font-size: 11px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--gold); margin-bottom: 18px; }
.sec-hd h2 { font-size: 38px; letter-spacing: -.025em; line-height: 1.28; margin-bottom: 16px; }
.sec-hd p { font-size: 16px; color: var(--ink-3); line-height: 1.8; }

/* ---------- 网格与卡片 ---------- */
.grid { display: grid; gap: 28px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  position: relative; padding: 38px 32px 34px;
  background: var(--paper-2); border: 1px solid var(--line);
  border-radius: var(--r); overflow: hidden;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
}
.card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 0; height: 2px;
  background: var(--gold); transition: width .5s var(--ease);
}
.card:hover { transform: translateY(-4px); border-color: var(--line-2); box-shadow: 0 18px 44px rgba(14,17,22,.08); }
.card:hover::before { width: 100%; }
.card__num {
  font-size: 12px; font-weight: 700; letter-spacing: .12em; color: var(--gold);
  margin-bottom: 18px; font-variant-numeric: tabular-nums;
}
.card__ico {
  width: 46px; height: 46px; margin-bottom: 22px; display: grid; place-items: center;
  border: 1px solid var(--line); border-radius: var(--r); color: var(--brand);
  transition: background .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease);
}
.card:hover .card__ico { background: var(--brand); border-color: var(--brand); color: #fff; }
.card__ico svg { width: 21px; height: 21px; }
.card h3 { font-size: 18px; margin-bottom: 12px; letter-spacing: -.01em; }
.card p { font-size: 14.5px; color: var(--ink-3); line-height: 1.8; }

/* ---------- 产品中心布局 ---------- */
.playout { display: grid; grid-template-columns: 232px 1fr; gap: 52px; align-items: start; }
.pcat { position: sticky; top: calc(var(--hdr-h) + 24px); }
.pcat__t { font-size: 11px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-4); padding-bottom: 14px; border-bottom: 1px solid var(--line); margin-bottom: 10px; }

/* 三级可展开分类树 */
.ptree { max-height: calc(100vh - var(--hdr-h) - 90px); overflow-y: auto; overflow-x: hidden; padding-right: 4px; }
.ptree__node { position: relative; }
.ptree__row {
  display: flex; align-items: center; gap: 8px; width: 100%;
  padding: 9px 10px; background: none; border: 0; cursor: pointer; border-radius: var(--r);
  font-size: 14.5px; color: var(--ink-2); text-align: left; line-height: 1.4;
  transition: background .2s var(--ease), color .2s var(--ease);
}
.ptree__row:hover { background: var(--paper-3); color: var(--ink); }
.ptree__node.is-on > .ptree__row { background: var(--brand); color: #fff; font-weight: 500; }
.ptree__node.is-on > .ptree__row:hover { color: #fff; }

.ptree__arrow {
  flex: 0 0 14px; width: 14px; height: 14px; position: relative; transition: transform .22s var(--ease);
}
.ptree__arrow::before {
  content: ""; position: absolute; top: 4px; left: 3px; width: 6px; height: 6px;
  border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
  transform: rotate(-45deg); opacity: .55;
}
.ptree__arrow.is-open { transform: rotate(90deg); }
.ptree__arrow--leaf::before { opacity: 0; }

.ptree__label { flex: 1 1 auto; }
.ptree__n { flex: 0 0 auto; font-size: 11.5px; color: var(--ink-4); font-variant-numeric: tabular-nums; }
.ptree__node.is-on > .ptree__row .ptree__n { color: rgba(255,255,255,.65); }

/* 层级缩进视觉线 */
.ptree__node--group > .ptree__row { font-weight: 600; color: var(--ink); }
.ptree__node--series { background: rgba(168,124,44,.04); }
.ptree__node--sub > .ptree__row { font-size: 13.5px; color: var(--ink-3); }

.pgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.pcard {
  display: block; background: var(--paper-2); border: 1px solid var(--line);
  border-radius: var(--r); overflow: hidden; position: relative;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease), opacity .35s var(--ease);
}
.pcard:hover { transform: translateY(-5px); border-color: var(--line-2); box-shadow: 0 20px 46px rgba(14,17,22,.09); }
.pcard.is-hidden { display: none; }
.pcard.is-out { opacity: 0; transform: scale(.97); }
.pcard__img {
  position: relative; aspect-ratio: 4 / 3; overflow: hidden;
  background: linear-gradient(150deg, #F4F2EE, #EAE6DF);
}
.pcard__img::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(14,17,22,.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(14,17,22,.05) 1px, transparent 1px);
  background-size: 32px 32px;
}
.pcard__img::after {
  content: attr(data-txt);
  position: absolute; inset: 0; display: grid; place-items: center;
  font-size: 11.5px; letter-spacing: .16em; color: var(--ink-4);
  transition: transform .5s var(--ease);
}
.pcard:hover .pcard__img::after { transform: scale(1.06); }
.pcard__no {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  font-size: 10.5px; font-weight: 700; letter-spacing: .1em; color: var(--ink-2);
  background: rgba(14,17,22,.06); padding: 4px 9px; border-radius: 2px;
}
.pcard__b { padding: 22px 24px 24px; }
.pcard__c { font-size: 11px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--gold); margin-bottom: 9px; }
.pcard__t { font-size: 16px; font-weight: 600; color: var(--ink); letter-spacing: -.01em; line-height: 1.45; margin-bottom: 10px; }
.pcard__d { font-size: 13.5px; color: var(--ink-3); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.pcard__more { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-size: 13px; font-weight: 600; color: var(--brand); }
.pcard__more svg { width: 14px; height: 14px; transition: transform .3s var(--ease); }
.pcard:hover .pcard__more svg { transform: translateX(4px); }

/* ---------- 产品详情 ---------- */
.crumb { padding: calc(var(--hdr-h) + 30px) 0 0; font-size: 13px; color: var(--ink-4); }
.crumb a:hover { color: var(--gold); }
.crumb span { color: var(--ink-2); }

.pd { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.pd__img {
  position: relative; aspect-ratio: 1 / 1; border-radius: var(--r-lg); overflow: hidden;
  background: linear-gradient(145deg, #F4F2EE, #EAE6DF); border: 1px solid var(--line);
}
.pd__img::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(14,17,22,.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(14,17,22,.05) 1px, transparent 1px);
  background-size: 44px 44px;
}
.pd__img::after {
  content: attr(data-txt); position: absolute; inset: 0;
  display: grid; place-items: center; font-size: 12px; letter-spacing: .2em; color: var(--ink-4);
}
.pthumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 12px; }
.pthumb {
  aspect-ratio: 1 / 1; border: 1px solid var(--line); border-radius: var(--r);
  background: linear-gradient(145deg, #F4F2EE, #EAE6DF); cursor: pointer;
  transition: border-color .3s var(--ease), transform .3s var(--ease);
  display: grid; place-items: center; font-size: 10.5px; color: var(--ink-4); letter-spacing: .1em;
}
.pthumb:hover, .pthumb.is-on { border-color: var(--brand); transform: translateY(-2px); }

.pd__info h1 { font-size: 34px; letter-spacing: -.025em; line-height: 1.3; margin: 14px 0 18px; }
.pd__lead { font-size: 16px; line-height: 1.85; color: var(--ink-3); margin-bottom: 30px; }
.feat { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; padding: 22px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-bottom: 30px; }
.feat__i { text-align: center; }
.feat__i svg { width: 20px; height: 20px; color: var(--gold); margin-bottom: 8px; }
.feat__i b { display: block; font-size: 13px; font-weight: 600; color: var(--ink); }
.feat__i span { font-size: 11.5px; color: var(--ink-4); }

.spec { width: 100%; border-collapse: collapse; font-size: 14px; }
.spec th, .spec td { padding: 13px 0; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.spec th { width: 96px; font-weight: 500; color: var(--ink-4); font-size: 13px; padding-right: 16px; }
.spec td { color: var(--ink); }
.pd__cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }

/* ---------- Tab ---------- */
.tabs { margin-top: 8px; }
.tab__bar { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 34px; flex-wrap: wrap; }
.tab__btn {
  padding: 14px 22px; background: none; border: 0; cursor: pointer;
  font-size: 15px; font-weight: 500; color: var(--ink-3); position: relative;
  transition: color .25s var(--ease);
}
.tab__btn::after { content: ''; position: absolute; left: 0; bottom: -1px; height: 2px; width: 0; background: var(--gold); transition: width .3s var(--ease); }
.tab__btn:hover { color: var(--ink); }
.tab__btn.is-on { color: var(--ink); font-weight: 600; }
.tab__btn.is-on::after { width: 100%; }
.tab__panel { display: none; font-size: 15.5px; line-height: 1.9; color: var(--ink-2); max-width: 60em; }
.tab__panel.is-on { display: block; animation: fade .45s var(--ease); }
.tab__panel p + p { margin-top: 14px; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- 流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
.steps::before {
  content: ''; position: absolute; top: 27px; left: 12%; right: 12%; height: 1px;
  background: repeating-linear-gradient(to right, var(--line-2) 0 6px, transparent 6px 12px);
}
.step { position: relative; padding: 0 22px; text-align: center; }
.step__n {
  position: relative; z-index: 2; width: 56px; height: 56px; margin: 0 auto 22px;
  display: grid; place-items: center; background: var(--paper-2); border: 1px solid var(--line-2);
  border-radius: 50%; font-size: 17px; font-weight: 600; color: var(--brand);
  font-variant-numeric: tabular-nums; transition: all .4s var(--ease);
}
.section--soft .step__n { background: var(--paper-2); }
.step:hover .step__n { background: var(--brand); border-color: var(--brand); color: #fff; }
.step h3 { font-size: 16.5px; margin-bottom: 10px; }
.step p { font-size: 14px; color: var(--ink-3); line-height: 1.75; }

/* ---------- 图文交错 ---------- */
.showcase { display: grid; grid-template-columns: 1fr 1fr; gap: 0; align-items: stretch; border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
.showcase__img {
  min-height: 380px; position: relative;
  background: linear-gradient(145deg, var(--brand) 0%, var(--brand-2) 60%, #7F1D1D 100%);
}
.showcase__img::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 40px 40px;
}
.showcase__img::after {
  content: attr(data-txt); position: absolute; inset: 0; display: grid; place-items: center;
  color: rgba(255,255,255,.45); font-size: 12px; letter-spacing: .22em;
}
/* 图片占位块被替换为真实图片后：隐藏占位标签与网格叠层 */
[data-txt].is-filled::before,
[data-txt].is-filled::after { display: none !important; }
[data-txt].is-filled {
  background-size: cover; background-position: center; background-repeat: no-repeat;
  background-color: var(--paper);
}
/* 内容图位（showcase/图廊）有图时：高度贴合图片真实比例，配合 JS 的 aspect-ratio + contain，整图不裁不留边 */
.showcase__img.is-filled,
.gallery__item.is-filled { align-self: start; }
.showcase__txt { padding: 56px 52px; background: var(--paper-2); display: flex; flex-direction: column; justify-content: center; }
/* 工厂配套环境：设备标签 */
.factory__eq { display: flex; flex-wrap: wrap; gap: 10px; }
.factory__eq span { padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px; font-size: 14px; color: var(--ink-2); background: var(--paper); }
/* 公司实景图廊 */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.gallery__item { min-height: 220px; border-radius: var(--r-lg); border: 1px solid var(--line); }
@media (max-width: 760px) { .gallery { grid-template-columns: repeat(2, 1fr); gap: 12px; } .gallery__item { min-height: 160px; } }
.showcase__txt h3 { font-size: 26px; letter-spacing: -.02em; margin-bottom: 16px; }
.showcase__txt p { font-size: 15px; color: var(--ink-3); line-height: 1.85; margin-bottom: 22px; }
.showcase__list { display: grid; gap: 12px; }
.showcase__list li { display: flex; align-items: flex-start; gap: 10px; font-size: 14.5px; color: var(--ink-2); }
.showcase__list svg { width: 16px; height: 16px; color: var(--gold); flex: 0 0 16px; margin-top: 5px; }

/* ---------- CTA ---------- */
.cta-bar { background: var(--brand); position: relative; overflow: hidden; }
.cta-bar::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(700px 340px at 80% 20%, rgba(212,175,55,.22), transparent 65%);
}
.cta-bar__in {
  position: relative; z-index: 2; max-width: var(--maxw); margin: 0 auto; padding: 78px 32px;
  display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap;
}
.cta-bar h2 { font-size: 32px; color: #fff; letter-spacing: -.025em; margin-bottom: 10px; line-height: 1.35; }
.cta-bar p { font-size: 15px; color: rgba(255,255,255,.62); }

/* ---------- 页脚 ---------- */
.ftr { background: var(--paper-3); color: rgba(255,255,255,.55); position: relative; overflow: hidden; padding: 88px 0 0; }
.ftr__in { max-width: var(--maxw); margin: 0 auto; padding: 0 32px; position: relative; z-index: 2; }
.ftr__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 64px; }
.ftr h4 { font-size: 13px; color: var(--ink); font-weight: 600; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 22px; }
.ftr li { font-size: 14px; line-height: 2.1; }
.ftr li a { transition: color .25s var(--ease); }
.ftr li a:hover { color: var(--gold); }
.ftr__logo { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.ftr__logo .logo__mark { background: var(--gold); }
.ftr__logo .logo__txt { color: var(--ink); }
.ftr__desc { font-size: 14px; line-height: 1.9; max-width: 30em; }
.ftr__wm {
  font-size: 13px; letter-spacing: .3em; text-transform: uppercase;
  color: rgba(14,17,22,.08); margin-top: 26px; font-weight: 600;
}
.ftr__btm {
  border-top: 1px solid rgba(14,17,22,.1); padding: 26px 0;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 13px; color: var(--ink-4);
}

/* ---------- 表单 ---------- */
.form { display: grid; gap: 20px; }
.f-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.f-g { display: flex; flex-direction: column; gap: 8px; }
.f-g label { font-size: 13px; font-weight: 500; color: var(--ink-2); }
.f-g label i { color: var(--gold); font-style: normal; margin-left: 2px; }
.f-g input, .f-g select, .f-g textarea {
  width: 100%; padding: 14px 16px; font-family: inherit; font-size: 14.5px; color: var(--ink);
  background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--r);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.f-g textarea { resize: vertical; min-height: 132px; line-height: 1.75; }
.f-g input:focus, .f-g select:focus, .f-g textarea:focus {
  outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(185,28,28,.08);
}
.f-g input::placeholder, .f-g textarea::placeholder { color: var(--ink-4); }
#formMsg { display: none; font-size: 14px; padding: 14px 18px; border-radius: var(--r); background: rgba(212,175,55,.1); color: #C9A227; border: 1px solid rgba(212,175,55,.28); }
#formMsg.is-on { display: block; }
#formMsg.is-err { background: rgba(200,70,70,.08); color: #A33; border-color: rgba(200,70,70,.25); }
.form__note { font-size: 12.5px; color: var(--ink-4); }

/* 蜜罐字段：对访客不可见，只诱捕机器人 */
.hp-field {
  position: absolute !important; left: -9999px !important; top: auto;
  width: 1px; height: 1px; overflow: hidden; opacity: 0; pointer-events: none;
}

/* ---------- 联系信息卡 ---------- */
.ct-grid { display: grid; grid-template-columns: 1fr .82fr; gap: 64px; align-items: start; }
.ct-card { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.ct-card__i { background: var(--paper-2); padding: 26px 28px; display: flex; gap: 18px; align-items: flex-start; }
.ct-card__i svg { width: 20px; height: 20px; color: var(--gold); flex: 0 0 20px; margin-top: 3px; }
.ct-card__i b { display: block; font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-4); margin-bottom: 6px; }
.ct-card__i p, .ct-card__i a { font-size: 15.5px; color: var(--ink); line-height: 1.6; }
.ct-card__i a:hover { color: var(--gold); }

/* ---------- 时间轴 ---------- */
.tl { position: relative; padding-left: 30px; }
.tl::before { content: ''; position: absolute; left: 5px; top: 8px; bottom: 8px; width: 1px; background: var(--line); }
.tl__i { position: relative; padding-bottom: 34px; }
.tl__i::before {
  content: ''; position: absolute; left: -30px; top: 8px; width: 11px; height: 11px;
  border-radius: 50%; background: var(--paper); border: 2px solid var(--gold);
}
.tl__y { font-size: 12px; font-weight: 700; letter-spacing: .12em; color: var(--gold); margin-bottom: 6px; font-variant-numeric: tabular-nums; }
.tl__t { font-size: 17px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.tl__d { font-size: 14.5px; color: var(--ink-3); line-height: 1.8; }

/* ---------- 占位块 ---------- */
.ph {
  display: grid; place-items: center; text-align: center; padding: 20px;
  background: repeating-linear-gradient(45deg, var(--paper-2) 0 10px, var(--paper-3) 10px 20px);
  border: 1px dashed var(--line-2); border-radius: var(--r);
  font-size: 12.5px; color: var(--ink-4); letter-spacing: .08em;
}
.ph-inline { color: var(--gold); font-weight: 500; }

/* ---------- 入场动画 ---------- */
.js .reveal { opacity: 0; transform: translateY(22px); }
.js .reveal.is-in { opacity: 1; transform: none; transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .hero__grid { grid-template-columns: 1fr; gap: 56px; }
  .hero__vis { max-width: 460px; }
  .playout { grid-template-columns: 1fr; gap: 32px; }
  .pcat { position: static; }
  .pcat__t { display: none; }
  .ptree { max-height: none; overflow: visible; }
  .pgrid { grid-template-columns: repeat(2, 1fr); }
  .ftr__grid { grid-template-columns: 1fr 1fr; }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .brands { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 860px) {
  .wrap, .hdr__in, .hero__in, .cta-bar__in, .ftr__in { padding-left: 22px; padding-right: 22px; }
  .section { padding: 76px 0; }
  .hero { padding-top: calc(var(--hdr-h) + 56px); }
  .hero h1 { font-size: 40px; }
  .hero__lead { font-size: 16px; }
  .hero__grid { grid-template-columns: 1fr; gap: 34px; }
  .proc-icon { max-width: 320px; margin: 0 auto; }
  .hero__badge { left: 0; padding: 16px 20px; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 30px 0; border-top: 0; }
  .stats__i { padding: 0 18px; }
  .stats__i + .stats__i { border-left: 0; }
  .stats__i:nth-child(even) { border-left: 1px solid var(--line); }
  .stats__n { font-size: 34px; }
  .sec-hd h2 { font-size: 30px; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .pd { grid-template-columns: 1fr; gap: 40px; }
  .steps { grid-template-columns: 1fr; gap: 34px; }
  .steps::before { display: none; }
  .showcase { grid-template-columns: 1fr; }
  .showcase__txt { padding: 40px 28px; }
  .ct-grid { grid-template-columns: 1fr; gap: 44px; }
  .f-row { grid-template-columns: 1fr; }
  .feat { grid-template-columns: 1fr; gap: 18px; }
  .cta-bar__in { padding: 56px 22px; }
  .cta-bar h2 { font-size: 25px; }

  /* 移动端导航 */
  .nav__toggle { display: block; }
  .hdr__cta { display: none; }
  .nav {
    position: fixed; top: var(--hdr-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    max-height: 0; overflow: hidden; transition: max-height .4s var(--ease);
    margin-left: 0;
  }
  .nav.is-open { max-height: 340px; box-shadow: 0 18px 40px rgba(14,17,22,.1); }
  .nav a { padding: 17px 22px; border-bottom: 1px solid var(--line); font-size: 15.5px; }
  .nav a::after { display: none; }
}

@media (max-width: 560px) {
  .pgrid { grid-template-columns: 1fr; }
  .brands { grid-template-columns: repeat(2, 1fr); }
  .ftr__grid { grid-template-columns: 1fr; gap: 36px; }
  .logo__sub { display: none; }
  .hero h1 { font-size: 33px; }
  .pthumbs { grid-template-columns: repeat(4, 1fr); gap: 8px; }
}

/* ---------- 官方店铺 ---------- */
.shops { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 8px; }
.shop {
  display: block; position: relative; padding: 28px 26px 26px;
  background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--r);
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.shop::before {
  content: ''; position: absolute; left: 0; top: 0; width: 100%; height: 2px;
  background: var(--gold); transform: scaleX(0); transform-origin: left;
  transition: transform .35s var(--ease);
}
.shop:hover { transform: translateY(-4px); border-color: var(--line-2); box-shadow: 0 16px 36px rgba(14,17,22,.07); }
.shop:hover::before { transform: scaleX(1); }
.shop__tag {
  display: inline-block; font-size: 11px; letter-spacing: .1em; color: var(--gold);
  border: 1px solid var(--gold); border-radius: 2px; padding: 3px 9px; margin-bottom: 14px;
}
/* 平台标识块：1688 / 淘宝 / 微信，一眼可辨 */
.shop__top { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.shop__top .shop__tag { margin-bottom: 0; }
.shop__logo {
  flex: 0 0 auto; width: 40px; height: 40px; border-radius: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--ink); color: #fff; font-size: 12px; font-weight: 700;
  letter-spacing: -.02em; line-height: 1;
}
.shop__logo--1688 { background: #FF6A00; font-size: 10.5px; letter-spacing: 0; }
.shop__logo--taobao { background: #FF5000; font-size: 12.5px; letter-spacing: .04em; }
.shop__logo--wechat { background: #07C160; }
.shop__logo svg { width: 24px; height: 24px; }
.shop__nm { font-size: 17px; font-weight: 600; letter-spacing: -.01em; margin-bottom: 8px; color: var(--ink); }
.shop__d { font-size: 13.5px; line-height: 1.7; color: var(--ink-3); }
.shop__go {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 16px;
  font-size: 13.5px; font-weight: 500; color: var(--brand);
}
.shop__go svg { width: 15px; height: 15px; transition: transform .3s var(--ease); }
.shop:hover .shop__go svg { transform: translateX(4px); }
.shop__tip { display: block; margin-top: 10px; font-size: 12px; color: var(--ink-4); }

/* 链接未填时的占位卡：虚线弱化，等待补链接；填了网址后自动变正式卡片 */
.shop--ph { border-style: dashed; background: transparent; cursor: default; }
.shop--ph:hover { transform: none; border-color: var(--line); box-shadow: none; }
.shop--ph::before { display: none; }
.shop--ph .shop__tag { color: var(--ink-4); border-color: var(--line-2); }
.shop--ph .shop__nm { color: var(--ink-2); }
.shop--ph .shop__d { color: var(--ink-4); }
.shop__go--ph { color: var(--ink-4); font-weight: 400; }

/* 微信小程序二维码卡 */
.shop__qrimg {
  display: block; width: 108px; height: 108px; margin: 16px 0 2px;
  padding: 6px; background: #fff; border: 1px solid var(--line); border-radius: 8px;
  object-fit: contain; transition: transform .3s var(--ease);
}
.shop--qr:hover .shop__qrimg { transform: scale(1.03); }

/* ---------- 生产基地 ---------- */
.branch {
  margin-top: 30px; padding: 22px 26px; background: var(--paper-3);
  border-left: 3px solid var(--gold); border-radius: 0 var(--r) var(--r) 0;
}
.branch__role { font-size: 11.5px; letter-spacing: .12em; color: var(--gold); margin-bottom: 6px; }
.branch__nm { font-size: 16px; font-weight: 600; color: var(--ink); margin-bottom: 10px; }
.branch__i { font-size: 13.5px; line-height: 1.8; color: var(--ink-2); }
.branch__i b { color: var(--ink-3); font-weight: 400; margin-right: 8px; }

/* ---------- 联系页：分公司卡 ---------- */
.br-card {
  margin-top: 22px; padding: 24px 26px; background: var(--paper-2);
  border: 1px solid var(--line); border-radius: var(--r);
}
.br-card__h { font-size: 15.5px; font-weight: 600; color: var(--ink); margin-bottom: 4px; }
.br-card__r { font-size: 12px; color: var(--gold); letter-spacing: .08em; margin-bottom: 14px; }
.br-card__i { font-size: 13.5px; line-height: 1.9; color: var(--ink-2); }
.br-card__i b { color: var(--ink-3); font-weight: 400; margin-right: 8px; }

@media (max-width: 900px) { .shops { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .shops { grid-template-columns: 1fr; } }

/* ---------- 分区销售经理 ---------- */
.reps {
  display: grid; grid-template-columns: repeat(6, 1fr);
  gap: 20px; margin-top: 40px;
}
/* 5 位对接人：3 + 2 居中排布，不留孤行 */
.rep { grid-column: span 2; }
.rep:nth-child(4) { grid-column: 2 / span 2; }
.rep:nth-child(5) { grid-column: 4 / span 2; }
.rep {
  background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--r);
  padding: 30px 24px 26px; text-align: center;
  transition: box-shadow .35s var(--ease), border-color .35s var(--ease), transform .35s var(--ease);
}
.rep:hover { border-color: var(--gold); box-shadow: 0 18px 44px rgba(14,17,22,.08); transform: translateY(-3px); }
.rep.is-hit {
  border-color: var(--gold); box-shadow: 0 0 0 3px rgba(184, 137, 74, .14), 0 18px 44px rgba(14,17,22,.08);
}
.rep.is-dim { opacity: .32; }

.rep__av {
  width: 52px; height: 52px; margin: 0 auto 16px; border-radius: 50%;
  background: linear-gradient(150deg, var(--brand), var(--brand-2));
  color: #fff; font-size: 20px; font-weight: 600;
  display: flex; align-items: center; justify-content: center;
}
/* 与图册封底分区地图一致的颜色标识 */
/* 与图册封底分区地图一致的色值（实测：王橙红 ac4f12 / 郭金黄 ab8400 / 赵绿 4f7a30 / 刘深蓝 2f4c8f） */
.rep__av--orange { background: linear-gradient(150deg, #c25c14, #96430c); }
.rep__av--gold   { background: linear-gradient(150deg, #b58708, #8a6606); }
.rep__av--green  { background: linear-gradient(150deg, #56813a, #3e6128); }
.rep__av--navy   { background: linear-gradient(150deg, #33518f, #263d6f); }
.rep__av--ink    { background: linear-gradient(150deg, #3a414b, #23282f); }
.rep__nm { font-size: 16.5px; font-weight: 600; color: var(--ink); }
.rep__role { font-size: 12.5px; color: var(--ink-3); margin-top: 5px; letter-spacing: .04em; }
.rep__area {
  font-size: 12.5px; line-height: 1.7; color: var(--ink-2);
  margin: 14px 0 18px; padding-top: 14px; border-top: 1px dashed var(--line);
}
.rep__area b { display: block; color: var(--ink-3); font-weight: 400; margin-bottom: 5px; font-size: 11.5px; letter-spacing: .06em; }
.rep__area--none { color: var(--ink-4); font-style: italic; }

.rep__tel {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 15px; font-weight: 600; color: var(--ink);
  letter-spacing: .01em; transition: color .25s var(--ease);
}
.rep__tel svg { width: 15px; height: 15px; color: var(--gold); flex: none; }
.rep__tel:hover { color: var(--gold); }

/* 服务覆盖区域 */
.areawrap { margin-top: 46px; padding-top: 34px; border-top: 1px solid var(--line); }
.areawrap__h {
  font-size: 13px; color: var(--ink-3); letter-spacing: .06em;
  margin-bottom: 18px; display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap;
}
.areawrap__h span { font-size: 12.5px; color: var(--gold); letter-spacing: 0; }

.areas { display: flex; flex-wrap: wrap; gap: 9px; }
.area {
  font: inherit; font-size: 13px; color: var(--ink-2);
  padding: 7px 15px; background: var(--paper-2);
  border: 1px solid var(--line); border-radius: 2px; cursor: pointer;
  transition: all .22s var(--ease);
}
.area:hover { border-color: var(--gold); color: var(--ink); }
.area.is-on { background: var(--brand); border-color: var(--brand); color: #fff; }
.area--plain { cursor: default; color: var(--ink-3); }

/* ---------- 产品图 / 品牌标识 ---------- */
.pcard__img--has, .pd__img--has {
  background: var(--paper-2);
  overflow: hidden;
}
.pcard__img--has::after { display: none; }      /* 有图就去掉占位文字 */
.pcard__img--has img, .pd__img--has img {
  width: 100%; height: 100%; object-fit: contain;
  display: block; transition: transform .5s var(--ease);
}
.pcard:hover .pcard__img--has img { transform: scale(1.04); }
.pcard__img--has .pcard__no {
  background: rgba(255, 255, 255, .88); color: var(--ink-3);
}

/* 品牌标识图片：由 header 区 .logo__mark--img 统一控制 */

@media (max-width: 1100px) {
  .reps { grid-template-columns: repeat(2, 1fr); }
  .rep:nth-child(4), .rep:nth-child(5) { grid-column: auto; }
}
@media (max-width: 980px) { .reps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) {
  .reps { grid-template-columns: 1fr; gap: 14px; }
  .rep { grid-column: auto; padding: 24px 20px 22px; }
}

/* 联系页：店铺与基地同排（4 列） */
.shops--4 { grid-template-columns: repeat(4, 1fr); }
.shops--4 .br-card {
  margin-top: 0; height: 100%;
  display: flex; flex-direction: column; justify-content: center;
  border-style: dashed; background: transparent;
}
.shops--4 .br-card__r { margin-bottom: 10px; }
.shops--4 .br-card__i { line-height: 1.8; }
@media (max-width: 1200px) { .shops--4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .shops--4 { grid-template-columns: 1fr; } }

/* ---------- LOGO 对齐（可视化编辑器可调） ---------- */
.hdr__in[data-logo-align="center"] { justify-content: center; flex-wrap: wrap; gap: 8px 32px; }
.hdr__in[data-logo-align="center"] .nav { margin-left: auto; }
.hdr__in[data-logo-align="right"] .logo { margin-left: auto; }
.hdr__in[data-logo-align="right"] .nav { margin-left: 32px; }

/* ============ 公司简介正文（官方简介版） ============ */
.about-profile p { font-size: 15px; line-height: 1.9; color: var(--ink-2); margin: 0 0 14px; }

/* ============ 自有工厂 · 厂区名片 ============ */
.factory-card {
  margin-top: 22px;
  padding: 16px 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-left: 3px solid var(--brand);
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.7;
}
.factory-card b { display: inline-block; margin-right: 8px; color: var(--ink); font-size: 14px; }
.factory-card span {
  display: inline-block;
  padding: 1px 8px;
  background: rgba(185, 28, 28, .07);
  color: var(--brand);
  border-radius: 99px;
  font-size: 11.5px;
}
.factory-card p { margin: 4px 0 0; color: var(--ink-3); }

/* ============ 资料下载卡 ============ */
.dl-card { text-align: left; display: flex; flex-direction: column; }
.dl-card .card__ico { margin-bottom: 16px; }
.dl-card p { min-height: 44px; }
.dl-card .btn { margin-top: auto; align-self: flex-start; }
.dl-card.is-missing { opacity: .72; }
.dl-card.is-missing .btn { pointer-events: none; }