/* =========================================================
   浙江德圣钢业 · 品牌官网站
   设计令牌 / 全局样式
   主色：品牌蓝 #0B70BD（沿用原站）+ 深钢蓝 + 金色点缀
   ========================================================= */

:root {
  --ink: #04101c;
  --navy-900: #072138;
  --navy-850: #082743;
  --navy-800: #0a2b46;
  --navy-700: #103c5c;
  --brand: #0b70bd;
  --brand-dark: #085b9a;
  --brand-light: #1e8ad8;
  --gold: #c0923c;
  --gold-soft: #ddb264;
  --gold-pale: #f0dcb4;

  --paper: #ffffff;
  --paper-2: #f6f9fc;
  --paper-3: #eef4f9;
  --line: #e4ecf3;
  --line-strong: #d3e0ea;

  --text: #10222f;
  --text-2: #566a7a;
  --text-3: #8a9aa8;

  --wrap: 1280px;
  --pad: clamp(20px, 4.4vw, 48px);
  --sec-y: clamp(64px, 8vw, 116px);

  --shadow-sm: 0 2px 10px rgba(7, 33, 56, 0.05);
  --shadow-md: 0 20px 48px -22px rgba(7, 33, 56, 0.3);
  --shadow-lg: 0 40px 80px -40px rgba(4, 20, 34, 0.5);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC",
    system-ui, -apple-system, sans-serif;
  --font-num: "Oswald", "Barlow Condensed", "Arial Narrow", "PingFang SC", sans-serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--paper);
  line-height: 1.75;
  font-size: 15px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p, ul, figure { margin: 0; }
ul { list-style: none; padding: 0; }
button { font-family: inherit; cursor: pointer; }

::selection { background: var(--brand); color: #fff; }

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

.num { font-family: var(--font-num); font-weight: 500; letter-spacing: 0.01em; }

/* ---------------- 顶部工具条 ---------------- */
.utilbar {
  background: var(--ink);
  color: #93a7b7;
  font-size: 12px;
  letter-spacing: 0.02em;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.utilbar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 36px;
  gap: 16px;
}
.utilbar__slogan { display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.utilbar__slogan::before {
  content: "";
  width: 4px; height: 4px;
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(192, 146, 60, 0.18);
}
.utilbar__links { display: flex; align-items: center; gap: 14px; white-space: nowrap; }
.utilbar__links a { transition: color 0.25s; }
.utilbar__links a:hover { color: var(--gold-soft); }
.utilbar__links span { color: #33485a; }

/* ---------------- 头部 ---------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background: var(--navy-900);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.07);
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.site-header.is-stuck {
  background: rgba(6, 26, 43, 0.96);
  backdrop-filter: blur(14px) saturate(1.2);
  box-shadow: 0 14px 34px -18px rgba(0, 0, 0, 0.75);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  height: 92px;
  transition: height 0.35s var(--ease);
}
.is-stuck .wrap { height: 76px; }

.brand { display: flex; align-items: center; gap: 22px; flex-shrink: 0; }
.brand__logo img {
  width: 198px;
  height: auto;
  transition: width 0.35s var(--ease);
}
.is-stuck .brand__logo img { width: 182px; }

.brand__phone {
  padding-left: 22px;
  border-left: 1px solid rgba(255, 255, 255, 0.16);
  line-height: 1.3;
}
.brand__phone small {
  display: block;
  color: #8fa4b5;
  font-size: 11px;
  letter-spacing: 0.14em;
}
.brand__phone strong {
  display: block;
  font-family: var(--font-num);
  font-size: 25px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: #fff;
  margin-top: 2px;
}
.brand__phone strong:hover { color: var(--gold-soft); }

.nav { display: flex; align-items: stretch; height: 100%; margin-left: auto; }
.nav > li { position: relative; display: flex; }
.nav > li > a {
  position: relative;
  display: flex;
  align-items: center;
  padding: 0 clamp(9px, 1vw, 15px);
  color: #dde8f0;
  font-size: 15px;
  letter-spacing: 0.04em;
  transition: color 0.25s;
  white-space: nowrap;
}
.nav > li > a::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 22px;
  width: 0; height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--gold-soft));
  transform: translateX(-50%);
  transition: width 0.3s var(--ease);
}
.nav > li:hover > a,
.nav > li.is-current > a { color: #fff; }
.nav > li:hover > a::after,
.nav > li.is-current > a::after { width: 22px; }

.nav__drop {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translate(-50%, 10px);
  min-width: 178px;
  background: #fff;
  border-top: 2px solid var(--gold);
  box-shadow: 0 26px 48px -20px rgba(4, 20, 34, 0.45);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.26s var(--ease), transform 0.26s var(--ease), visibility 0.26s;
  z-index: 20;
}
.nav > li:hover .nav__drop { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.nav__drop a {
  display: block;
  padding: 10px 22px;
  font-size: 14px;
  color: var(--text-2);
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: background 0.2s, color 0.2s, padding 0.2s;
}
.nav__drop a:hover { background: var(--paper-2); color: var(--brand); padding-left: 27px; }

.header__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 42px;
  padding: 0 20px;
  background: linear-gradient(135deg, var(--gold-soft), var(--gold));
  color: #201504;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  flex-shrink: 0;
  transition: transform 0.25s var(--ease), box-shadow 0.25s;
}
.header__cta:hover { transform: translateY(-2px); box-shadow: 0 12px 24px -12px rgba(192, 146, 60, 0.9); }

/* 汉堡 */
.burger {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: transparent;
  position: relative;
  flex-shrink: 0;
}
.burger i {
  position: absolute;
  left: 12px;
  width: 18px; height: 1.5px;
  background: #fff;
  transition: transform 0.3s var(--ease), opacity 0.2s;
}
.burger i:nth-child(1) { top: 15px; }
.burger i:nth-child(2) { top: 21px; }
.burger i:nth-child(3) { top: 27px; }
body.menu-open .burger i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
body.menu-open .burger i:nth-child(2) { opacity: 0; }
body.menu-open .burger i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------------- 移动抽屉 ---------------- */
.drawer {
  position: fixed;
  inset: 0 0 0 auto;
  width: min(86vw, 380px);
  background: var(--navy-900);
  z-index: 140;
  transform: translateX(102%);
  transition: transform 0.42s var(--ease);
  overflow-y: auto;
  padding: 26px 26px 48px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
body.menu-open .drawer { transform: translateX(0); }
.drawer__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.drawer__head img { width: 168px; }
.drawer__close {
  width: 38px; height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: none;
  color: #fff;
  font-size: 18px;
  line-height: 1;
}
.drawer nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 2px;
  color: #dfe9f1;
  font-size: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.drawer nav a span {
  font-family: var(--font-num);
  font-size: 12px;
  color: #5d7a92;
}
.drawer nav a:hover { color: var(--gold-soft); }
.drawer__contact { margin-top: 26px; border-top: 1px solid rgba(255, 255, 255, 0.1); padding-top: 22px; }
.drawer__contact small { color: #7f97a9; font-size: 11px; letter-spacing: 0.16em; }
.drawer__contact strong {
  display: block;
  font-family: var(--font-num);
  font-size: 30px;
  color: #fff;
  margin: 4px 0 14px;
}
.drawer__contact p { color: #93a7b7; font-size: 13px; line-height: 1.9; }
.mask {
  position: fixed;
  inset: 0;
  background: rgba(4, 16, 28, 0.6);
  backdrop-filter: blur(3px);
  z-index: 130;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s, visibility 0.35s;
}
body.menu-open .mask { opacity: 1; visibility: visible; }

/* ---------------- 通用板块标题 ---------------- */
.section { padding: var(--sec-y) 0; position: relative; }
.section--tight { padding: clamp(46px, 6vw, 78px) 0; }
.section--paper { background: var(--paper-2); }
.section--navy {
  background: var(--navy-900);
  color: #fff;
  overflow: hidden;
}
.section--navy::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 74px 74px;
  mask-image: radial-gradient(ellipse at 65% 30%, #000 10%, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse at 65% 30%, #000 10%, transparent 72%);
  pointer-events: none;
}
.section--navy > .wrap { position: relative; z-index: 2; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}
.eyebrow::before {
  content: "";
  width: 30px; height: 1px;
  background: var(--gold);
  opacity: 0.85;
}
.section--navy .eyebrow { color: var(--gold-soft); }
.section--navy .eyebrow::before { background: var(--gold-soft); }

.sec-title {
  font-size: clamp(27px, 2.85vw, 42px);
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--text);
}
.sec-title em {
  font-style: normal;
  color: var(--brand);
}
.section--navy .sec-title { color: #fff; }
.section--navy .sec-title em { color: var(--gold-soft); }

.sec-head { margin-bottom: clamp(34px, 4vw, 56px); }
.sec-head__row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}
.sec-lead {
  max-width: 520px;
  color: var(--text-2);
  font-size: 14.5px;
  line-height: 1.95;
  margin-top: 14px;
}
.section--navy .sec-lead { color: #a3b8c8; }

.numeral {
  position: absolute;
  right: calc(var(--pad) - 6px);
  top: clamp(28px, 4vw, 52px);
  font-family: var(--font-num);
  font-size: clamp(72px, 11vw, 150px);
  font-weight: 600;
  line-height: 0.8;
  color: rgba(11, 112, 189, 0.06);
  pointer-events: none;
  user-select: none;
}
.section--navy .numeral { color: rgba(255, 255, 255, 0.05); }

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  letter-spacing: 0.1em;
  color: var(--text-2);
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line-strong);
  transition: color 0.25s, border-color 0.25s, gap 0.25s;
}
.link-more svg { width: 15px; height: 15px; }
.link-more:hover { color: var(--brand); border-color: var(--brand); gap: 15px; }
.section--navy .link-more { color: #cddbe6; border-color: rgba(255, 255, 255, 0.25); }
.section--navy .link-more:hover { color: var(--gold-soft); border-color: var(--gold-soft); }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 54px;
  padding: 0 30px;
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), box-shadow 0.3s, background 0.3s, color 0.3s, border-color 0.3s;
  white-space: nowrap;
}
.btn svg { width: 17px; height: 17px; }
.btn--gold {
  background: linear-gradient(135deg, var(--gold-soft), var(--gold));
  color: #1e1403;
  box-shadow: 0 16px 34px -18px rgba(192, 146, 60, 0.95);
}
.btn--gold:hover { transform: translateY(-2px); box-shadow: 0 22px 38px -18px rgba(192, 146, 60, 1); }
.btn--ghost {
  border-color: rgba(255, 255, 255, 0.3);
  color: #fff;
  background: rgba(255, 255, 255, 0.03);
}
.btn--ghost:hover { background: #fff; color: var(--navy-900); border-color: #fff; }
.btn--line { border-color: var(--line-strong); color: var(--text); }
.btn--line:hover { border-color: var(--brand); color: var(--brand); }

/* ---------------- Hero ---------------- */
.hero {
  position: relative;
  background: var(--navy-900);
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 70% at 78% 18%, rgba(30, 138, 216, 0.34), transparent 62%),
    radial-gradient(52% 60% at 10% 92%, rgba(11, 112, 189, 0.22), transparent 66%),
    linear-gradient(160deg, #061a2c 0%, #072138 46%, #0a2b46 100%);
}
.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.038) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.038) 1px, transparent 1px);
  background-size: 82px 82px;
  mask-image: linear-gradient(115deg, #000 5%, transparent 68%);
  -webkit-mask-image: linear-gradient(115deg, #000 5%, transparent 68%);
}
.hero__beams {
  position: absolute;
  inset: -20% -10% auto auto;
  width: 62vw;
  height: 140%;
  background: linear-gradient(112deg, transparent 34%, rgba(255, 255, 255, 0.05) 42%, transparent 47%),
    linear-gradient(112deg, transparent 56%, rgba(221, 178, 100, 0.09) 60%, transparent 64%);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(0, 0.97fr);
  align-items: center;
  gap: clamp(32px, 4vw, 64px);
  padding: clamp(48px, 6vw, 86px) 0 clamp(96px, 9vw, 132px);
}
.hero__copy { max-width: 620px; }
.hero__since {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 11.5px;
  letter-spacing: 0.3em;
  color: #a9bdcb;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.hero__since b {
  color: var(--gold-soft);
  font-family: var(--font-num);
  font-weight: 500;
  letter-spacing: 0.12em;
}
.hero__since::after {
  content: "";
  width: 46px; height: 1px;
  background: linear-gradient(90deg, rgba(221, 178, 100, 0.9), transparent);
}
.hero h1 {
  font-size: clamp(34px, 4.1vw, 60px);
  line-height: 1.24;
  font-weight: 700;
  letter-spacing: 0.01em;
  margin-bottom: 24px;
}
.hero h1 em {
  font-style: normal;
  position: relative;
  color: #fff;
  background: linear-gradient(180deg, transparent 66%, rgba(221, 178, 100, 0.42) 66%, rgba(221, 178, 100, 0.42) 92%, transparent 92%);
  padding-bottom: 2px;
}
.hero h1 span { color: var(--gold-soft); }
.hero__desc {
  font-size: clamp(14px, 1.15vw, 15.5px);
  line-height: 2.05;
  color: #b7c8d5;
  max-width: 590px;
  margin-bottom: 34px;
  text-wrap: pretty;
}
.hero__desc b { color: #fff; font-weight: 600; white-space: nowrap; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }

.hero__media { position: relative; }
.hero__shot {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3.35;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.hero__shot img { width: 100%; height: 100%; object-fit: cover; }
.hero__shot::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(165deg, rgba(7, 33, 56, 0.06) 30%, rgba(4, 16, 28, 0.5));
}
.hero__frame {
  position: absolute;
  inset: -14px -14px auto auto;
  width: 118px; height: 118px;
  border-top: 1px solid rgba(221, 178, 100, 0.6);
  border-right: 1px solid rgba(221, 178, 100, 0.6);
  pointer-events: none;
}
.hero__tag {
  position: absolute;
  left: -18px;
  bottom: 34px;
  background: linear-gradient(135deg, var(--gold-soft), var(--gold));
  color: #1e1403;
  padding: 13px 20px;
  line-height: 1.35;
  box-shadow: 0 16px 30px -16px rgba(0, 0, 0, 0.7);
}
.hero__tag small { display: block; font-size: 10.5px; letter-spacing: 0.22em; opacity: 0.75; }
.hero__tag strong { font-size: 19px; letter-spacing: 0.03em; }

.hero__spec {
  position: absolute;
  right: -10px;
  bottom: -30px;
  width: min(268px, 74%);
  background: rgba(9, 37, 60, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(16px);
  padding: 20px 22px;
  box-shadow: var(--shadow-md);
}
.hero__spec h4 {
  font-size: 11px;
  letter-spacing: 0.24em;
  color: #90a8ba;
  font-weight: 500;
  margin-bottom: 14px;
  text-transform: uppercase;
}
.hero__spec li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 13px;
  color: #a9bfce;
}
.hero__spec li:first-of-type { border-top: 0; }
.hero__spec li b {
  color: #fff;
  font-family: var(--font-num);
  font-weight: 500;
  font-size: 14.5px;
  letter-spacing: 0.04em;
}

/* ---------------- 数据条 ---------------- */
.stats {
  position: relative;
  z-index: 6;
  margin-top: -62px;
}
.stats__box {
  background: #fff;
  box-shadow: 0 34px 70px -34px rgba(4, 20, 34, 0.42);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
}
.stats__item {
  padding: 34px 30px 32px;
  position: relative;
  border-left: 1px solid var(--line);
}
.stats__item:first-child { border-left: 0; }
.stats__item::before {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 0; height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--gold-soft));
  transition: width 0.5s var(--ease);
}
.stats__item:hover::before { width: 100%; }
.stats__val {
  font-family: var(--font-num);
  font-size: clamp(30px, 3vw, 40px);
  font-weight: 500;
  line-height: 1;
  color: var(--navy-900);
  letter-spacing: 0.01em;
  display: flex;
  align-items: baseline;
  gap: 3px;
}
.stats__val i {
  font-style: normal;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  color: var(--brand);
}
.stats__label {
  margin-top: 12px;
  font-size: 13.5px;
  color: var(--text);
  font-weight: 500;
  letter-spacing: 0.04em;
}
.stats__sub { font-size: 12px; color: var(--text-3); margin-top: 3px; letter-spacing: 0.02em; }

/* ---------------- 关于我们 ---------------- */
.about__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(36px, 5vw, 78px);
  align-items: stretch;
}
.about__media { position: relative; padding-bottom: 54px; display: flex; flex-direction: column; justify-content: center; }
.about__media-main {
  position: relative;
  flex: 1 1 auto;
  min-height: 430px;
  max-height: 632px;
  aspect-ratio: 4 / 3.5;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.about__media-main img { width: 100%; height: 100%; object-fit: cover; }
.about__media-sub {
  position: absolute;
  right: -6px;
  bottom: 0;
  width: 46%;
  aspect-ratio: 5 / 4;
  border: 7px solid #fff;
  overflow: hidden;
  box-shadow: 0 24px 50px -26px rgba(4, 20, 34, 0.55);
}
.about__media-sub img { width: 100%; height: 100%; object-fit: cover; }
.about__badge {
  position: absolute;
  left: 0; bottom: 26px;
  background: var(--navy-900);
  color: #fff;
  padding: 16px 22px;
  text-align: center;
  box-shadow: var(--shadow-md);
}
.about__badge b {
  display: block;
  font-family: var(--font-num);
  font-size: 30px;
  font-weight: 500;
  line-height: 1;
  color: var(--gold-soft);
}
.about__badge span { font-size: 10.5px; letter-spacing: 0.2em; color: #9db1c1; }

.about__body p {
  color: var(--text-2);
  font-size: 14.5px;
  line-height: 2.1;
  margin-bottom: 16px;
}
.about__body p:first-of-type::first-letter { font-size: 1em; }
.about__body strong { color: var(--text); font-weight: 600; }
.about__quote {
  margin: 26px 0 30px;
  padding: 18px 24px;
  background: linear-gradient(90deg, rgba(11, 112, 189, 0.07), transparent);
  border-left: 3px solid var(--brand);
  color: var(--navy-900);
  font-size: 15px;
  line-height: 1.9;
  font-weight: 500;
}
.about__quote b { color: var(--brand); font-family: var(--font-num); font-size: 19px; }
.about__facts {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  margin-top: clamp(38px, 4.6vw, 62px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.about__fact {
  padding: 22px 22px 20px;
  border-left: 1px solid var(--line);
  position: relative;
  transition: background 0.3s;
}
.about__fact:first-child { border-left: 0; padding-left: 0; }
.about__fact:hover { background: rgba(11, 112, 189, 0.03); }
.about__fact::before {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 0; height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--gold-soft));
  transition: width 0.45s var(--ease);
}
.about__fact:hover::before { width: 100%; }
.about__fact span {
  display: block;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--text-3);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.about__fact b { font-size: 14.5px; color: var(--text); font-weight: 600; letter-spacing: 0.01em; }

/* 应用领域标签 */
.fieldset {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 30px;
}
.fieldset span {
  font-size: 12.5px;
  color: var(--text-2);
  background: var(--paper-2);
  border: 1px solid var(--line);
  padding: 5px 12px;
  letter-spacing: 0.03em;
  transition: color 0.25s, border-color 0.25s, background 0.25s;
}
.fieldset span:hover { color: var(--brand); border-color: rgba(11, 112, 189, 0.35); background: #fff; }
.fieldset em {
  font-style: normal;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--text-3);
  align-self: center;
  margin-right: 4px;
}

/* ---------------- 产品 ---------------- */
.cats {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: clamp(28px, 3vw, 42px);
}
.cat {
  background: #fff;
  padding: 24px 22px 22px;
  position: relative;
  overflow: hidden;
  transition: background 0.32s var(--ease), color 0.32s;
}
.cat::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--brand), var(--brand-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.cat:hover { background: var(--navy-900); color: #fff; }
.cat:hover::after { transform: scaleX(1); }
.cat__idx {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
  display: block;
  margin-bottom: 10px;
}
.cat__name { font-size: 16px; font-weight: 600; letter-spacing: 0.02em; }
.cat__sub { font-size: 12px; color: var(--text-3); margin-top: 4px; letter-spacing: 0.02em; }
.cat:hover .cat__sub { color: #93a9ba; }
.cat__arw {
  position: absolute;
  right: 20px; top: 24px;
  width: 16px; height: 16px;
  opacity: 0;
  transform: translate(-6px, 6px);
  transition: opacity 0.3s, transform 0.3s;
  color: var(--gold-soft);
}
.cat:hover .cat__arw { opacity: 1; transform: translate(0, 0); }

.prod-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(14px, 1.6vw, 22px);
}
.prod {
  background: #fff;
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
  transition: box-shadow 0.35s var(--ease), transform 0.35s var(--ease), border-color 0.35s;
}
.prod:hover {
  transform: translateY(-4px);
  box-shadow: 0 28px 52px -28px rgba(4, 20, 34, 0.35);
  border-color: var(--line-strong);
}
.prod__media {
  position: relative;
  aspect-ratio: 4 / 3.05;
  overflow: hidden;
  background: var(--paper-3);
}
.prod__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.05) brightness(1.02);
  transition: transform 0.7s var(--ease), filter 0.5s;
}
.prod:hover .prod__media img { filter: saturate(0.96) contrast(1.05) brightness(1.04); }
.prod:hover .prod__media img { transform: scale(1.06); }
.prod__veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 52%, rgba(4, 16, 28, 0.55));
  opacity: 0;
  transition: opacity 0.4s;
}
.prod:hover .prod__veil { opacity: 1; }
.prod__view {
  position: absolute;
  left: 20px;
  bottom: 18px;
  color: #fff;
  font-size: 12px;
  letter-spacing: 0.16em;
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s, transform 0.4s;
}
.prod:hover .prod__view { opacity: 1; transform: translateY(0); }
.prod__body { padding: 18px 20px 20px; }
.prod__cat {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--brand);
  text-transform: uppercase;
  display: block;
  margin-bottom: 7px;
}
.prod__name {
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text);
  line-height: 1.55;
  transition: color 0.3s;
}
.prod:hover .prod__name { color: var(--brand); }
.prod__meta {
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-3);
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.prod__meta span { position: relative; padding-left: 11px; }
.prod__meta span::before {
  content: "";
  position: absolute;
  left: 0; top: 7px;
  width: 3px; height: 3px;
  background: var(--gold);
}

/* ---------------- 材质与规格 ---------------- */
.specs__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: clamp(34px, 4.4vw, 66px);
  align-items: start;
}
.grades {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 28px;
}
.grade {
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 16px 12px 14px;
  text-align: center;
  background: rgba(255, 255, 255, 0.02);
  transition: border-color 0.3s, background 0.3s, transform 0.3s;
}
.grade:hover {
  border-color: rgba(221, 178, 100, 0.65);
  background: rgba(221, 178, 100, 0.07);
  transform: translateY(-2px);
}
.grade b {
  display: block;
  font-family: var(--font-num);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: #fff;
}
.grade span {
  display: block;
  font-size: 10.5px;
  color: #8fa5b6;
  margin-top: 5px;
  letter-spacing: 0.04em;
}
.spec-table { border-top: 1px solid rgba(255, 255, 255, 0.16); }
.spec-row {
  display: grid;
  grid-template-columns: 116px 1fr;
  gap: 20px;
  padding: 17px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: background 0.3s;
}
.spec-row:hover { background: rgba(255, 255, 255, 0.03); }
.spec-row dt {
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: #8fa5b6;
}
.spec-row dd {
  margin: 0;
  font-size: 14px;
  color: #e6eef4;
  line-height: 1.8;
}
.spec-row dd b { color: var(--gold-soft); font-weight: 600; }
.specs__note {
  margin-top: 24px;
  font-size: 12px;
  color: #7f97a9;
  line-height: 1.9;
  padding-left: 14px;
  border-left: 2px solid rgba(221, 178, 100, 0.5);
}

/* ---------------- 公司生产 ---------------- */
.factory__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: clamp(150px, 14.5vw, 205px);
  gap: clamp(10px, 1.2vw, 16px);
}
.fac {
  position: relative;
  overflow: hidden;
  background: var(--navy-800);
}
.fac--big { grid-column: span 2; grid-row: span 2; }
.fac img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.06);
  transition: transform 0.85s var(--ease), filter 0.5s;
}
.fac:hover img { filter: saturate(0.95) contrast(1.06); }
.fac:hover img { transform: scale(1.055); }
.fac::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(4, 16, 28, 0.05) 40%, rgba(4, 16, 28, 0.82));
  transition: opacity 0.4s;
}
.fac__cap {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 18px;
  z-index: 2;
  color: #fff;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
}
.fac__cap b {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.03em;
  display: flex;
  align-items: center;
  gap: 9px;
}
.fac__cap b::before {
  content: "";
  width: 16px; height: 1px;
  background: var(--gold-soft);
  flex-shrink: 0;
}
.fac--big .fac__cap b { font-size: 20px; }
.fac__cap i {
  font-style: normal;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: rgba(255, 255, 255, 0.55);
}

/* ---------------- 服务优势 ---------------- */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.adv {
  background: #fff;
  padding: clamp(26px, 2.6vw, 38px) clamp(22px, 2.2vw, 32px);
  position: relative;
  transition: background 0.35s var(--ease);
}
.adv::before {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--brand), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--ease);
}
.adv:hover::before { transform: scaleX(1); }
.adv__icon {
  width: 46px; height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand);
  background: rgba(11, 112, 189, 0.07);
  margin-bottom: 20px;
  transition: background 0.35s, color 0.35s;
}
.adv__icon svg { width: 24px; height: 24px; }
.adv:hover .adv__icon { background: var(--brand); color: #fff; }
.adv h3 { font-size: 17px; font-weight: 600; letter-spacing: 0.02em; margin-bottom: 9px; }
.adv p { font-size: 13.5px; color: var(--text-2); line-height: 1.95; }
.adv__no {
  position: absolute;
  right: 24px; top: 24px;
  font-family: var(--font-num);
  font-size: 13px;
  color: var(--text-3);
  letter-spacing: 0.1em;
}

/* ---------------- 新闻 ---------------- */
.news__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(26px, 3.4vw, 52px);
  align-items: start;
}
.news-feature {
  display: block;
  background: #fff;
  border: 1px solid var(--line);
  overflow: hidden;
  transition: box-shadow 0.4s var(--ease), transform 0.4s var(--ease);
}
.news-feature:hover { transform: translateY(-4px); box-shadow: 0 30px 56px -30px rgba(4, 20, 34, 0.35); }
.news-feature__media { aspect-ratio: 5 / 3.2; overflow: hidden; }
.news-feature__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease); }
.news-feature:hover img { transform: scale(1.05); }
.news-feature__body { padding: 24px 26px 28px; }
.news-feature__tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
  border: 1px solid rgba(192, 146, 60, 0.4);
  padding: 3px 10px;
  margin-bottom: 14px;
}
.news-feature h3 {
  font-size: 20px;
  line-height: 1.55;
  font-weight: 600;
  letter-spacing: 0.01em;
  margin-bottom: 12px;
  transition: color 0.3s;
}
.news-feature:hover h3 { color: var(--brand); }
.news-feature p { font-size: 13.5px; color: var(--text-2); line-height: 1.95; }

.news-list { border-top: 1px solid var(--line); }
.news-item {
  display: grid;
  grid-template-columns: 96px 1fr 24px;
  gap: 18px;
  align-items: center;
  padding: 19px 6px 19px 0;
  border-bottom: 1px solid var(--line);
  transition: padding 0.3s var(--ease), background 0.3s;
}
.news-item:hover { padding-left: 12px; background: linear-gradient(90deg, rgba(11, 112, 189, 0.05), transparent 70%); }
.news-item time {
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--text-3);
}
.news-item h4 {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.6;
  transition: color 0.3s;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.news-item:hover h4 { color: var(--brand); }
.news-item i {
  color: var(--text-3);
  transition: transform 0.3s, color 0.3s;
  display: flex;
}
.news-item i svg { width: 16px; height: 16px; }
.news-item:hover i { transform: translateX(4px); color: var(--brand); }

/* ---------------- 联系我们 ---------------- */
.contact {
  background: var(--navy-900);
  color: #fff;
  position: relative;
  overflow: hidden;
  padding: var(--sec-y) 0;
}
.contact__glow {
  position: absolute;
  right: -12%;
  top: -30%;
  width: 68vw; height: 68vw;
  background: radial-gradient(circle, rgba(11, 112, 189, 0.3), transparent 62%);
  pointer-events: none;
}
.contact__glow2 {
  position: absolute;
  left: -18%;
  bottom: -40%;
  width: 56vw; height: 56vw;
  background: radial-gradient(circle, rgba(192, 146, 60, 0.14), transparent 64%);
  pointer-events: none;
}
.contact .wrap { position: relative; z-index: 2; }
.contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
  gap: clamp(36px, 5vw, 76px);
  align-items: center;
}
.contact__title {
  font-size: clamp(27px, 2.9vw, 44px);
  line-height: 1.32;
  font-weight: 700;
  margin-bottom: 10px;
}
.contact__title em { font-style: normal; color: var(--gold-soft); }
.contact__sub { color: #a3b8c8; font-size: 14px; line-height: 1.95; margin-bottom: 30px; }

.telblock {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 28px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-left: 2px solid var(--gold);
  margin-bottom: 14px;
  transition: background 0.35s, border-color 0.35s;
}
.telblock:hover { background: rgba(255, 255, 255, 0.08); border-color: rgba(221, 178, 100, 0.6); }
.telblock__icon {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(221, 178, 100, 0.14);
  color: var(--gold-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.telblock__icon svg { width: 21px; height: 21px; }
.telblock small {
  display: block;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: #90a8ba;
  margin-bottom: 2px;
}
.telblock strong {
  font-family: var(--font-num);
  font-size: clamp(29px, 3.3vw, 41px);
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.1;
  color: var(--gold-soft);
  transition: color 0.3s;
}
.telblock:hover strong { color: #fff; }
.telblock__hint {
  margin-left: auto;
  font-size: 11.5px;
  color: #7f97a9;
  letter-spacing: 0.08em;
  text-align: right;
  line-height: 1.7;
  flex-shrink: 0;
}

.contact__rows {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 6px;
}
.crow { background: var(--navy-900); padding: 18px 22px; display: flex; gap: 13px; align-items: flex-start; }
.crow svg { width: 16px; height: 16px; color: var(--gold-soft); flex-shrink: 0; margin-top: 5px; }
.crow small {
  display: block;
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: #7f97a9;
  margin-bottom: 3px;
}
.crow b { font-size: 14px; font-weight: 500; color: #e3edf4; line-height: 1.7; letter-spacing: 0.02em; word-break: break-all; }

/* 二维码卡 */
.qr-card {
  position: relative;
  background: #fff;
  color: var(--text);
  padding: 34px 32px 30px;
  text-align: center;
  box-shadow: 0 44px 90px -44px rgba(0, 0, 0, 0.75);
}
.qr-card::before {
  content: "";
  position: absolute;
  inset: 9px;
  border: 1px solid rgba(11, 112, 189, 0.14);
  pointer-events: none;
}
.qr-card__corner {
  position: absolute;
  width: 26px; height: 26px;
  border: 2px solid var(--gold);
}
.qr-card__corner--tl { left: -2px; top: -2px; border-right: 0; border-bottom: 0; }
.qr-card__corner--tr { right: -2px; top: -2px; border-left: 0; border-bottom: 0; }
.qr-card__corner--bl { left: -2px; bottom: -2px; border-right: 0; border-top: 0; }
.qr-card__corner--br { right: -2px; bottom: -2px; border-left: 0; border-top: 0; }
.qr-card__head {
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.qr-card__img {
  width: 100%;
  max-width: 236px;
  margin: 0 auto;
  padding: 10px;
  background: #fff;
  border: 1px solid var(--paper-3);
  cursor: zoom-in;
  transition: transform 0.35s var(--ease), box-shadow 0.35s;
}
.qr-card__img:hover { transform: translateY(-3px); box-shadow: 0 20px 40px -22px rgba(7, 33, 56, 0.4); }
.qr-card__img img { width: 100%; height: auto; }
.qr-card__t {
  margin-top: 18px;
  font-size: 16.5px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--navy-900);
}
.qr-card__d {
  font-size: 12.5px;
  color: var(--text-2);
  line-height: 1.85;
  margin-top: 7px;
}
.qr-card__foot {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px dashed var(--line-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  font-size: 11.5px;
  color: var(--text-3);
  letter-spacing: 0.06em;
}
.qr-card__foot span { display: flex; align-items: center; gap: 5px; }
.qr-card__foot svg { width: 13px; height: 13px; color: var(--brand); }

/* ---------------- 页脚 ---------------- */
.footer { background: var(--ink); color: #8fa2b1; font-size: 13px; }
.footer__top {
  display: grid;
  grid-template-columns: 1.5fr 0.75fr 0.9fr 1.15fr;
  gap: clamp(24px, 3.4vw, 54px);
  padding: clamp(46px, 5.4vw, 70px) 0 clamp(34px, 4vw, 48px);
}
.footer__logo { width: 196px; margin-bottom: 20px; opacity: 0.95; }
.footer__desc { font-size: 12.8px; line-height: 2; color: #7d92a3; max-width: 320px; }
.footer h4 {
  font-size: 13px;
  color: #fff;
  font-weight: 600;
  letter-spacing: 0.16em;
  margin-bottom: 18px;
  padding-bottom: 12px;
  position: relative;
}
.footer h4::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 22px; height: 1px;
  background: var(--gold);
}
.footer__links li { margin-bottom: 11px; }
.footer__links a { font-size: 13px; color: #8fa2b1; transition: color 0.25s, padding 0.25s; }
.footer__links a:hover { color: var(--gold-soft); padding-left: 5px; }
.footer__contact li { margin-bottom: 13px; line-height: 1.75; font-size: 12.8px; }
.footer__contact b { color: #d7e3ec; font-weight: 500; }
.footer__tel {
  font-family: var(--font-num);
  font-size: 27px;
  color: #fff;
  letter-spacing: 0.04em;
  display: block;
  margin-bottom: 14px;
}
.footer__tel:hover { color: var(--gold-soft); }
.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 12px;
  color: #6b8093;
}
.footer__bottom a { color: #8fa2b1; }
.footer__bottom a:hover { color: var(--gold-soft); }

/* ---------------- 悬浮侧栏 ---------------- */
.rail {
  position: fixed;
  right: 18px;
  bottom: 96px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: transparent;
}
.rail__btn {
  width: 52px; height: 52px;
  background: var(--navy-900);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  border: 0;
  position: relative;
  transition: background 0.28s, color 0.28s;
  font-size: 10px;
  letter-spacing: 0.04em;
}
.rail__btn svg { width: 18px; height: 18px; }
.rail__btn:hover { background: var(--brand); color: #fff; }
.rail__btn--gold { background: linear-gradient(135deg, var(--gold-soft), var(--gold)); color: #201504; }
.rail__btn--gold:hover { background: linear-gradient(135deg, #e8c47c, #c99a43); color: #201504; }
.rail__qr {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translate(6px, -50%);
  background: #fff;
  padding: 12px;
  box-shadow: 0 24px 50px -22px rgba(0, 0, 0, 0.55);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
  text-align: center;
}
.rail__qr img { width: 132px; height: 132px; object-fit: contain; }
.rail__qr p { font-size: 11px; color: var(--text-2); margin-top: 8px; letter-spacing: 0.06em; }
.rail__btn:hover .rail__qr { opacity: 1; visibility: visible; transform: translate(0, -50%); }
.rail__btn--top { height: 46px; box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.2); }
.rail__btn--top.is-off { opacity: 0; visibility: hidden; transform: translateY(8px); }
.rail__btn--top { transition: background 0.28s, color 0.28s, opacity 0.3s, visibility 0.3s, transform 0.3s; }

/* ---------------- 二维码弹窗 ---------------- */
.qr-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(4, 16, 28, 0.82);
  backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s, visibility 0.35s;
}
.qr-modal.is-open { opacity: 1; visibility: visible; }
.qr-modal__box {
  background: #fff;
  padding: 30px;
  text-align: center;
  max-width: 400px;
  width: 100%;
  transform: scale(0.94);
  transition: transform 0.4s var(--ease);
  position: relative;
}
.qr-modal.is-open .qr-modal__box { transform: scale(1); }
.qr-modal__box img { width: 100%; max-width: 300px; margin: 0 auto 16px; }
.qr-modal__box b { display: block; font-size: 17px; color: var(--navy-900); letter-spacing: 0.03em; }
.qr-modal__box p { font-size: 12.5px; color: var(--text-2); margin-top: 6px; line-height: 1.8; }
.qr-modal__close {
  position: absolute;
  right: 10px; top: 10px;
  width: 32px; height: 32px;
  border: 0;
  background: var(--paper-2);
  color: var(--text-2);
  font-size: 16px;
  line-height: 1;
}

/* ---------------- 入场动画 ---------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
  will-change: opacity, transform;
}
[data-reveal].is-in { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: 0.1s; }
[data-reveal][data-delay="2"] { transition-delay: 0.2s; }
[data-reveal][data-delay="3"] { transition-delay: 0.3s; }
[data-reveal][data-delay="4"] { transition-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 1240px) {
  .brand__phone { display: none; }
  .header__cta { display: none; }
  .nav > li > a { padding: 0 10px; font-size: 14.5px; }
}

@media (max-width: 1080px) {
  .nav { display: none; }
  .burger { display: block; }
  .site-header .wrap { height: 74px; }
  .brand__logo img { width: 176px; }
  .hero__inner { grid-template-columns: 1fr; gap: 46px; padding-bottom: 86px; }
  .hero__copy { max-width: 100%; }
  .hero__spec { position: static; width: 100%; margin-top: 16px; }
  .hero__media { max-width: 620px; }
  .hero__tag { left: 0; }
  .factory__grid { grid-template-columns: repeat(2, 1fr); }
  .fac--big { grid-column: span 2; grid-row: span 1; }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .news__grid { grid-template-columns: 1fr; }
  .news-feature { max-width: 560px; }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .cats { grid-template-columns: repeat(2, 1fr); }
  .cat:last-child { grid-column: span 2; }
  .prod-grid { grid-template-columns: repeat(3, 1fr); }
  .about__grid { grid-template-columns: 1fr; gap: 42px; }
  .about__media { max-width: 560px; }
  .about__facts { grid-template-columns: repeat(3, 1fr); }
  .about__fact:nth-child(4) { border-left: 0; padding-left: 0; }
  .about__media-main { min-height: 0; flex: 0 0 auto; aspect-ratio: 4 / 3.2; }
  .specs__grid { grid-template-columns: 1fr; gap: 40px; }
  .contact__grid { grid-template-columns: 1fr; gap: 40px; }
  .qr-card { max-width: 380px; }
}

/* 平板区间：导航收起后，把热线重新显示出来 */
@media (min-width: 700px) and (max-width: 1080px) {
  .brand__phone { display: block; }
}

@media (max-width: 760px) {
  body { font-size: 14.5px; }
  .utilbar__slogan { display: none; }
  .utilbar .wrap { justify-content: flex-end; height: 32px; }
  .hero__inner { padding-top: 38px; padding-bottom: 74px; }
  .hero h1 { font-size: clamp(30px, 8vw, 40px); }
  .hero__actions .btn { flex: 1 1 100%; }
  .hero__shot { aspect-ratio: 4 / 3; }
  .hero__frame { display: none; }
  .hero__tag { padding: 10px 15px; }
  .hero__tag strong { font-size: 16px; }
  .stats { margin-top: -48px; }
  .stats__box { grid-template-columns: 1fr 1fr; }
  .stats__item { padding: 24px 20px; }
  .stats__item:nth-child(3) { border-left: 0; }
  .stats__item:nth-child(3),
  .stats__item:nth-child(4) { border-top: 1px solid var(--line); }
  .cats { grid-template-columns: 1fr 1fr; }
  .prod-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .prod__body { padding: 14px 14px 16px; }
  .prod__name { font-size: 14px; }
  .prod__meta { display: none; }
  .factory__grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 132px; }
  .fac--big { grid-column: span 2; }
  .fac__cap { left: 14px; right: 14px; bottom: 12px; }
  .fac__cap b { font-size: 13px; }
  .fac--big .fac__cap b { font-size: 16px; }
  .fac__cap i { display: none; }
  .adv-grid { grid-template-columns: 1fr; }
  .adv__no { display: none; }
  .grades { grid-template-columns: repeat(2, 1fr); }
  .about__facts { grid-template-columns: repeat(2, 1fr); }
  .about__fact:nth-child(odd) { border-left: 0; padding-left: 0; }
  .spec-row { grid-template-columns: 88px 1fr; gap: 12px; }
  .contact__rows { grid-template-columns: 1fr; }
  .telblock { padding: 18px 18px; gap: 14px; }
  .telblock__hint { display: none; }
  .telblock__icon { width: 38px; height: 38px; }
  .qr-card { padding: 26px 20px 24px; }
  .qr-card__img { max-width: 200px; }
  .footer__top { grid-template-columns: 1fr; gap: 30px; }
  .footer__bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
  .news-item { grid-template-columns: 1fr 18px; gap: 4px 12px; padding: 15px 0; }
  .news-item time { grid-column: 1; font-size: 11.5px; }
  .news-item h4 { grid-column: 1; white-space: normal; font-size: 14px; }
  .news-item i { grid-column: 2; grid-row: 1 / span 2; }
  .rail { right: 10px; bottom: 70px; }
  .rail__btn { width: 46px; height: 46px; }
  .rail__qr { display: none; }
  .numeral { display: none; }
  .section--navy::before { background-size: 54px 54px; }
}

@media (max-width: 380px) {
  .prod-grid { grid-template-columns: 1fr; }
  .brand__logo img { width: 152px; }
  .stats__val { font-size: 26px; }
}

/* =========================================================
   内页组件
   关于我们 / 供应产品 / 分类页 / 公司生产 / 荣誉资质 / 服务支持 / 联系我们
   ========================================================= */

/* ---------------- 内页横幅 ---------------- */
.page-hero {
  position: relative;
  background: var(--navy-900);
  color: #fff;
  overflow: hidden;
  isolation: isolate;
  padding: clamp(26px, 3.4vw, 40px) 0 clamp(44px, 5.4vw, 76px);
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.042) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.042) 1px, transparent 1px);
  background-size: 64px 64px;
}
.page-hero::after {
  content: "";
  position: absolute;
  right: -14%;
  top: -46%;
  width: 64%;
  height: 190%;
  z-index: -1;
  background: radial-gradient(closest-side, rgba(11, 112, 189, 0.5), transparent 72%);
}
.page-hero__inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: clamp(24px, 4vw, 56px);
}
.page-hero__title {
  margin: 0 0 18px;
  font-size: clamp(31px, 4.1vw, 53px);
  line-height: 1.17;
  font-weight: 600;
  letter-spacing: 0.004em;
}
.page-hero__title em { font-style: normal; color: var(--gold-soft); white-space: nowrap; }
.page-hero__lead {
  margin: 0;
  max-width: 660px;
  text-wrap: pretty;
  color: #b7c8d5;
  font-size: 15px;
  line-height: 1.95;
}
.page-hero__num {
  flex-shrink: 0;
  text-align: right;
  font-family: var(--font-num);
  font-size: clamp(62px, 9.2vw, 130px);
  line-height: 0.86;
  color: rgba(255, 255, 255, 0.075);
  letter-spacing: 0.02em;
  padding-bottom: 4px;
}
.page-hero__num span {
  display: block;
  margin-top: 14px;
  font-family: var(--font);
  font-size: 10.5px;
  letter-spacing: 0.34em;
  color: rgba(221, 178, 100, 0.66);
}
.page-hero .eyebrow { color: var(--gold-soft); }
.page-hero .eyebrow::before { background: var(--gold); }
.page-hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }

/* 面包屑 */
.crumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: clamp(24px, 3.2vw, 42px);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.4);
}
.crumb a { color: rgba(255, 255, 255, 0.72); transition: color 0.25s; }
.crumb a:hover { color: var(--gold-soft); }
.crumb i { font-style: normal; color: rgba(255, 255, 255, 0.22); }
.crumb b { font-weight: 400; color: var(--gold-soft); }

/* ---------------- 两栏：侧栏 + 正文 ---------------- */
.split {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: clamp(26px, 4vw, 58px);
  align-items: stretch;
}
.split > aside { align-self: start; position: sticky; top: 104px; }
.split > * { min-width: 0; }
.subnav {
  border: 1px solid var(--line);
  background: #fff;
}
.subnav__t {
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--text-3);
  text-transform: uppercase;
}
.subnav a {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 13px 20px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  color: var(--text-2);
  transition: color 0.25s, background 0.25s;
}
.subnav a:last-child { border-bottom: 0; }
.subnav a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 0;
  background: var(--gold);
  transition: height 0.35s var(--ease);
}
.subnav a:hover { color: var(--brand); background: var(--paper-2); }
.subnav a:hover::before { height: 100%; }
.subnav a.is-on { color: var(--brand); background: rgba(11, 112, 189, 0.05); font-weight: 500; }
.subnav a.is-on::before { height: 100%; }
.subnav a i { font-style: normal; font-family: var(--font-num); font-size: 11.5px; color: var(--text-3); }
.subnav__aside {
  margin-top: 18px;
  border: 1px solid var(--line);
  background: var(--navy-900);
  color: #fff;
  padding: 24px 22px;
}
.subnav__aside small { display: block; font-size: 11px; letter-spacing: 0.16em; color: rgba(255, 255, 255, 0.42); margin-bottom: 8px; }
.subnav__aside strong {
  display: block;
  font-family: var(--font-num);
  font-size: 25px;
  letter-spacing: 0.03em;
  color: var(--gold-soft);
  margin-bottom: 14px;
}
.subnav__aside p { margin: 0 0 16px; font-size: 12.5px; line-height: 1.8; color: #a9bccb; }
.subnav__aside .qr-mini { width: 116px; background: #fff; padding: 8px; }
.subnav__aside .qr-mini img { width: 100%; }

/* ---------------- 正文排版 ---------------- */
.prose > *:first-child { margin-top: 0; }
.prose h2 {
  margin: 0 0 22px;
  font-size: clamp(23px, 2.6vw, 31px);
  line-height: 1.34;
  font-weight: 600;
  letter-spacing: 0.004em;
}
.prose h2 em { font-style: normal; color: var(--brand); }
.prose h3 {
  margin: 34px 0 12px;
  font-size: 17.5px;
  font-weight: 600;
  color: var(--text);
  padding-left: 13px;
  border-left: 3px solid var(--gold);
  line-height: 1.5;
}
.prose p { margin: 0 0 18px; color: var(--text-2); font-size: 15.5px; line-height: 2.05; }
.prose p strong { color: var(--text); font-weight: 600; }
.prose p:last-child { margin-bottom: 0; }
.prose__lead { font-size: 16.5px !important; color: var(--text) !important; line-height: 1.95 !important; }

.pullquote {
  margin: 30px 0 0;
  padding: 22px 26px;
  border-left: 2px solid var(--gold);
  background: var(--paper-2);
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.9;
}
.pullquote b { color: var(--brand); font-family: var(--font-num); font-size: 19px; letter-spacing: 0.02em; }

/* ---------------- 信息卡网格 ---------------- */
.info-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.info-grid--3 { grid-template-columns: repeat(3, 1fr); }
.info-card { background: #fff; padding: 28px 24px 26px; transition: background 0.3s; }
.info-card:hover { background: var(--paper-2); }
.info-card span {
  display: block;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--text-3);
  margin-bottom: 12px;
  text-transform: uppercase;
}
.info-card b {
  display: block;
  font-family: var(--font-num);
  font-size: 21px;
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: var(--brand);
  font-weight: 500;
  margin-bottom: 10px;
}
.info-card p { margin: 0; font-size: 13px; line-height: 1.85; color: var(--text-3); }

/* ---------------- 参数表 ---------------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); background: #fff; }
.info-table { width: 100%; border-collapse: collapse; min-width: 560px; }
.info-table thead th {
  background: var(--paper-2);
  padding: 14px 20px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--text-2);
  border-bottom: 1px solid var(--line-strong);
  white-space: nowrap;
}
.info-table tbody td {
  padding: 15px 20px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.8;
  vertical-align: top;
}
.info-table tbody tr:last-child td { border-bottom: 0; }
.info-table tbody tr:hover td { background: rgba(11, 112, 189, 0.028); }
.info-table tbody td:first-child {
  color: var(--text);
  font-weight: 500;
  white-space: nowrap;
  width: 156px;
}
.info-table b { color: var(--brand); font-weight: 600; }

/* ---------------- 流程 ---------------- */
.flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.flow__step { position: relative; background: #fff; padding: 26px 24px 24px; transition: background 0.3s; }
.flow__step:hover { background: var(--paper-2); }
.flow__step b {
  display: block;
  font-family: var(--font-num);
  font-size: 25px;
  font-weight: 400;
  color: var(--brand);
  letter-spacing: 0.04em;
  line-height: 1;
  margin-bottom: 14px;
}
.flow__step h4 { margin: 0 0 7px; font-size: 14.5px; font-weight: 600; }
.flow__step p { margin: 0; font-size: 12.5px; line-height: 1.8; color: var(--text-3); }

/* ---------------- 资质 / 能力卡 ---------------- */
.cert-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.cert {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 26px 26px 24px;
  border: 1px solid var(--line);
  background: #fff;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.cert:hover { border-color: rgba(11, 112, 189, 0.32); box-shadow: var(--shadow-sm); }
.cert__icon {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(192, 146, 60, 0.4);
  color: var(--gold);
}
.cert__icon svg { width: 21px; height: 21px; }
.cert h4 { margin: 0 0 8px; font-size: 15.5px; font-weight: 600; }
.cert p { margin: 0; font-size: 13px; line-height: 1.85; color: var(--text-3); }

/* ---------------- 图文带 ---------------- */
.photo-band { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.photo-band figure { position: relative; margin: 0; overflow: hidden; aspect-ratio: 4 / 3; }
.photo-band img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.86) contrast(1.05);
  transition: transform 0.85s var(--ease), filter 0.5s;
}
.photo-band figure:hover img { transform: scale(1.05); filter: saturate(0.96) contrast(1.05); }
.photo-band figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 34px 18px 15px;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: #fff;
  background: linear-gradient(transparent, rgba(4, 16, 28, 0.84));
}

/* ---------------- 问答 ---------------- */
.qa { border-top: 1px solid var(--line); }
.qa details { border-bottom: 1px solid var(--line); }
.qa summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 19px 44px 19px 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  transition: color 0.25s;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary:hover { color: var(--brand); }
.qa summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 15px;
  font-size: 21px;
  font-weight: 300;
  color: var(--brand);
  transition: transform 0.3s var(--ease);
}
.qa details[open] summary::after { content: "\2212"; }
.qa details[open] summary { color: var(--brand); }
.qa p { margin: 0; padding: 0 44px 22px 0; font-size: 14px; line-height: 1.95; color: var(--text-2); }

/* ---------------- 行动条 ---------------- */
.cta-band {
  position: relative;
  background: var(--navy-900);
  color: #fff;
  overflow: hidden;
  isolation: isolate;
  padding: clamp(40px, 5vw, 68px) 0;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
}
.cta-band::after {
  content: "";
  position: absolute;
  left: -12%;
  bottom: -70%;
  width: 50%;
  height: 180%;
  z-index: -1;
  background: radial-gradient(closest-side, rgba(11, 112, 189, 0.42), transparent 72%);
}
.cta-band__grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(26px, 4vw, 56px);
  flex-wrap: wrap;
}
.cta-band h2 {
  margin: 0 0 12px;
  font-size: clamp(23px, 2.7vw, 32px);
  font-weight: 600;
  line-height: 1.32;
}
.cta-band h2 em { font-style: normal; color: var(--gold-soft); white-space: nowrap; }
.cta-band h2 { text-wrap: pretty; }
.cta-band p { margin: 0; font-size: 14px; line-height: 1.9; color: #b0c3d1; max-width: 520px; }
.cta-band__grid > div:first-child { flex: 1 1 400px; min-width: 0; max-width: 600px; }
.cta-band__actions { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; flex: 0 1 auto; }
.cta-band__qr { display: flex; align-items: center; gap: 16px; padding-left: 26px; border-left: 1px solid rgba(255, 255, 255, 0.14); }
.cta-band__qr div { width: 104px; background: #fff; padding: 7px; }
.cta-band__qr img { width: 100%; }
.cta-band__qr p { margin: 0; font-size: 12.5px; line-height: 1.75; color: #a9bccb; max-width: 130px; }

/* ---------------- 分页 ---------------- */
.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: clamp(36px, 4.4vw, 60px);
}
.pager a { background: #fff; padding: 22px 26px; transition: background 0.28s; }
.pager a:hover { background: var(--paper-2); }
.pager small { display: block; font-size: 11px; letter-spacing: 0.18em; color: var(--text-3); margin-bottom: 7px; }
.pager b { font-size: 15px; font-weight: 500; color: var(--text); transition: color 0.25s; }
.pager a:hover b { color: var(--brand); }
.pager a:last-child { text-align: right; }

/* ---------------- 产品分类大卡 ---------------- */
.cat-lg-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.cat-lg {
  grid-column: span 2;
  display: block;
  background: #fff;
  overflow: hidden;
}
.cat-lg:nth-child(4), .cat-lg:nth-child(5) { grid-column: span 3; }
.cat-lg__media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--paper-3); }
.cat-lg__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.05);
  transition: transform 0.85s var(--ease), filter 0.5s;
}
.cat-lg:hover .cat-lg__media img { transform: scale(1.055); filter: saturate(0.98) contrast(1.05); }
.cat-lg__idx {
  position: absolute;
  top: 14px;
  left: 16px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: #fff;
  background: rgba(4, 16, 28, 0.62);
  padding: 4px 9px;
  backdrop-filter: blur(4px);
}
.cat-lg__body { padding: 22px 24px 26px; }
.cat-lg__body h3 { margin: 0 0 7px; font-size: 18px; font-weight: 600; transition: color 0.25s; }
.cat-lg:hover .cat-lg__body h3 { color: var(--brand); }
.cat-lg__body p { margin: 0 0 14px; font-size: 13px; line-height: 1.8; color: var(--text-3); }
.cat-lg__tags { display: flex; flex-wrap: wrap; gap: 6px; }
.cat-lg__tags span {
  font-size: 11.5px;
  letter-spacing: 0.03em;
  color: var(--text-2);
  border: 1px solid var(--line);
  padding: 3px 9px;
}

/* 侧栏内三列产品 */
.prod-grid--3 { grid-template-columns: repeat(3, 1fr); }

/* ---------------- 联系页专用 ---------------- */
.contact-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.contact-card { background: #fff; padding: 26px 24px; transition: background 0.3s; }
.contact-card:hover { background: var(--paper-2); }
.contact-card small { display: block; font-size: 11.5px; letter-spacing: 0.14em; color: var(--text-3); margin-bottom: 10px; }
.contact-card b { display: block; font-size: 16.5px; font-weight: 600; color: var(--text); line-height: 1.6; word-break: break-all; }
.contact-card b a { transition: color 0.25s; }
.contact-card b a:hover { color: var(--brand); }
.contact-card p { margin: 8px 0 0; font-size: 12.5px; line-height: 1.8; color: var(--text-3); }

/* 区位卡 */
.geo {
  position: relative;
  border: 1px solid var(--line);
  background: var(--paper-2);
  padding: 30px 30px 28px;
  overflow: hidden;
}
.geo::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(11, 112, 189, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 112, 189, 0.1) 1px, transparent 1px);
  background-size: 34px 34px;
}
.geo > * { position: relative; }
.geo h4 { margin: 0 0 14px; font-size: 15px; font-weight: 600; }
.geo ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 11px; }
.geo li { display: flex; gap: 12px; font-size: 13.5px; color: var(--text-2); line-height: 1.8; }
.geo li b { flex-shrink: 0; width: 62px; color: var(--text-3); font-size: 12.5px; letter-spacing: 0.04em; }

/* ---------------- 内页响应式 ---------------- */
@media (max-width: 1080px) {
  .page-hero__num { display: none; }
  .split { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .split > aside { position: static; }
  .subnav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .subnav__t { display: none; }
  .subnav a { border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); padding: 13px 16px; }
  .subnav a::before { display: none; }
  .subnav__aside { display: none; }
  .info-grid, .info-grid--3 { grid-template-columns: repeat(2, 1fr); }
  .contact-cards { grid-template-columns: repeat(2, 1fr); }
  .cat-lg-grid { grid-template-columns: repeat(2, 1fr); }
  .cat-lg, .cat-lg:nth-child(4), .cat-lg:nth-child(5) { grid-column: span 1; }
  .cat-lg:last-child { grid-column: span 2; }
  .prod-grid--3 { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .photo-band { grid-template-columns: repeat(2, 1fr); }
  .photo-band figure:first-child { grid-column: span 2; aspect-ratio: 16 / 8; }
}

@media (max-width: 760px) {
  .page-hero { padding: 22px 0 40px; }
  .page-hero__lead { font-size: 14px; }
  .page-hero__actions .btn { flex: 1 1 100%; justify-content: center; }
  .info-grid, .info-grid--3 { grid-template-columns: 1fr; }
  .info-card { padding: 22px 20px; }
  .contact-cards { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
  .cert { padding: 22px 20px; }
  .cat-lg-grid { grid-template-columns: 1fr; }
  .cat-lg:last-child { grid-column: span 1; }
  .prod-grid--3 { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: 1fr; }
  .photo-band { grid-template-columns: 1fr; }
  .photo-band figure:first-child { grid-column: span 1; aspect-ratio: 4 / 3; }
  .pager { grid-template-columns: 1fr; }
  .pager a:last-child { text-align: left; }
  .cta-band__qr { padding-left: 0; border-left: 0; border-top: 1px solid rgba(255, 255, 255, 0.14); padding-top: 20px; width: 100%; }
  .cta-band__actions { width: 100%; }
  .cta-band__actions .btn { flex: 1 1 100%; justify-content: center; }
  .prose p { font-size: 14.5px; line-height: 1.95; }
  .info-table { min-width: 0; }
  .info-table thead th { padding: 11px 13px; font-size: 11px; letter-spacing: 0.06em; }
  .info-table tbody td { padding: 12px 13px; font-size: 13px; }
  .info-table tbody td:first-child { width: 88px; white-space: normal; }
  .table-wrap { overflow-x: visible; }
  .geo { padding: 24px 20px; }
}

@media (max-width: 380px) {
  .prod-grid--3 { grid-template-columns: 1fr; }
}

/* ---------------- 车间条目（公司生产） ---------------- */
.ws-list { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.ws { display: grid; grid-template-columns: 1fr 1fr; background: #fff; }
.ws--rev .ws__media { order: 2; }
.ws__media { position: relative; overflow: hidden; aspect-ratio: 16 / 10; background: var(--paper-3); }
.ws__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.86) contrast(1.06);
  transition: transform 0.9s var(--ease), filter 0.5s;
}
.ws:hover .ws__media img { transform: scale(1.04); filter: saturate(0.96) contrast(1.06); }
.ws__body {
  padding: clamp(26px, 3.2vw, 46px) clamp(24px, 3.4vw, 48px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.ws__no {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold);
}
.ws__body h3 {
  margin: 12px 0 14px;
  font-size: clamp(18px, 1.9vw, 23px);
  font-weight: 600;
  line-height: 1.4;
}
.ws__body p { margin: 0 0 18px; font-size: 14px; line-height: 1.95; color: var(--text-2); }
.ws__tags { display: flex; flex-wrap: wrap; gap: 8px; }
.ws__tags span {
  font-size: 11.5px;
  color: var(--text-2);
  border: 1px solid var(--line);
  padding: 3px 10px;
  letter-spacing: 0.03em;
}

@media (max-width: 900px) {
  .ws { grid-template-columns: 1fr; }
  .ws--rev .ws__media { order: 0; }
  .ws__media { aspect-ratio: 16 / 9; }
}