/* ==========================================================================
   辰笛智能官网 · 主样式表
   设计语言：深墨黑 + 香槟金 + 暖白，大留白，克制的动效
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  --ink: #0B0B0D;
  --ink-2: #14141A;
  --ink-3: #1E1E24;
  --gold: #C8A063;
  --gold-deep: #A8843F;
  --gold-soft: #E4D0A6;
  --paper: #F7F6F3;
  --paper-2: #EFEDE7;
  --white: #FFFFFF;
  --text: #14141A;
  --text-2: #4A4A50;
  --text-3: #8A8880;
  --text-4: #B4B2A9;
  --line: #E4E1D8;
  --line-2: #EDEAE3;
  --line-dark: #2A2A31;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC",
          "Noto Sans CJK SC", sans-serif;
  --serif: "Songti SC", "Source Han Serif SC", "Noto Serif CJK SC", Georgia, serif;

  --wrap: 1280px;
  --pad: 48px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --header-h: 76px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  /* iOS 点击链接触发的灰色高亮块 */
  -webkit-tap-highlight-color: transparent;
}
/* 尊重系统「减少动态效果」设置 */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}
h1, h2, h3, h4, h5 {
  margin: 0;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: .01em;
}
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
a { color: inherit; text-decoration: none; transition: color .25s var(--ease), opacity .25s; }
img { max-width: 100%; height: auto; display: block; border: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; }
/* 统一原生控件外观：避免 iOS Safari 给 input/textarea 加内阴影，Android 加默认圆角 */
input, textarea, select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  border-radius: 0;
}
input[type="checkbox"], input[type="radio"] {
  -webkit-appearance: auto;
  -moz-appearance: auto;
  appearance: auto;
  width: auto;
  height: auto;
}
/* iOS 自动填充时的背景色修正 */
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus {
  -webkit-text-fill-color: var(--text);
  -webkit-box-shadow: 0 0 0 1000px #fff inset;
  transition: background-color 9999s ease-in-out 0s;
}
table { border-collapse: collapse; width: 100%; }
::selection { background: var(--gold); color: #fff; }
::-moz-selection { background: var(--gold); color: #fff; }

/* ---------- Layout ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--pad);
}
.section { padding: 96px 0; }
.section--paper { background: var(--paper); }
.section--ink { background: var(--ink); color: #EDEAE3; }
.section--tight { padding: 64px 0; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- Section head ---------- */
.sec-head { margin-bottom: 44px; }
.sec-head--center { text-align: center; }
.sec-head--split {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 32px; flex-wrap: wrap;
}
.eyebrow {
  display: inline-block;
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 14px;
  font-weight: 400;
}
.section--ink .eyebrow { color: var(--gold); }
.sec-title {
  font-size: 34px;
  letter-spacing: .02em;
  color: var(--text);
}
.section--ink .sec-title { color: #F2F0EC; }
.sec-sub {
  margin-top: 14px;
  color: var(--text-3);
  font-size: 15px;
  max-width: 620px;
  line-height: 1.8;
}
.sec-head--center .sec-sub { margin-left: auto; margin-right: auto; }
.section--ink .sec-sub { color: #8A8880; }
.sec-more {
  font-size: 13px;
  color: var(--text-3);
  border-bottom: 1px solid var(--line);
  padding-bottom: 3px;
  white-space: nowrap;
}
.sec-more:hover { color: var(--gold-deep); border-color: var(--gold); }
.sec-more::after { content: " →"; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 48px;
  padding: 0 30px;
  font-size: 14px;
  letter-spacing: .04em;
  border-radius: 2px;
  transition: all .28s var(--ease);
  white-space: nowrap;
}
.btn--gold { background: var(--gold); color: #16130C; }
.btn--gold:hover { background: #D6AF74; transform: translateY(-1px); }
.btn--ink { background: var(--ink); color: #F2F0EC; }
.btn--ink:hover { background: var(--ink-3); }
.btn--line { border: 1px solid var(--line); color: var(--text-2); }
.btn--line:hover { border-color: var(--ink); color: var(--ink); }
.btn--ghost { border: 1px solid rgba(200,160,99,.5); color: var(--gold-soft); }
.btn--ghost:hover { background: rgba(200,160,99,.12); border-color: var(--gold); }
.btn--sm { height: 38px; padding: 0 20px; font-size: 13px; }
.btn--block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(11, 11, 13, .92);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line-dark);
  transition: background .3s var(--ease);
}
.site-header__inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo img, .logo__img { height: 52px; width: auto; }
.logo__mark {
  width: 42px; height: 42px;
  border: 1.5px solid var(--gold);
  border-radius: 5px;
  display: grid; place-items: center;
  color: var(--gold);
  font-size: 19px;
  letter-spacing: 0;
  font-weight: 500;
  flex-shrink: 0;
  background: linear-gradient(160deg, rgba(200,160,99,.12), rgba(200,160,99,0) 55%);
}
.logo__text { display: flex; flex-direction: column; line-height: 1.1; }
.logo__cn { color: #F2F0EC; font-size: 21px; letter-spacing: .18em; font-weight: 500; }
.logo__en { color: var(--gold); font-size: 10px; letter-spacing: .3em; margin-top: 4px; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav > li { position: relative; }
.nav > li > a {
  display: block;
  margin: 0 2px;
  padding: 0 16px;
  height: calc(var(--header-h) - 18px);
  line-height: calc(var(--header-h) - 18px);
  margin-top: 9px;
  border-radius: 999px;
  font-size: 14.5px;
  color: #9C9A94;
  letter-spacing: .04em;
  transition: color .2s var(--ease), background .2s var(--ease);
}
.nav > li > a:hover { color: #F2F0EC; background: rgba(255,255,255,.06); }
.nav > li > a.is-active {
  color: var(--gold);
  background: linear-gradient(160deg, rgba(200,160,99,.16), rgba(200,160,99,.06));
}
.nav > li > a.is-active::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 12px;
  transform: translateX(-50%);
  width: 18px; height: 2px;
  border-radius: 2px;
  background: var(--gold);
}
.nav-drop {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  min-width: 210px;
  background: #15151A;
  border: 1px solid var(--line-dark);
  padding: 10px 0;
  opacity: 0;
  visibility: hidden;
  transition: all .25s var(--ease);
}
.nav > li:hover .nav-drop { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.nav-drop a {
  display: block;
  padding: 9px 22px;
  font-size: 13px;
  color: #9C9A94;
}
.nav-drop a:hover { color: var(--gold); background: rgba(255,255,255,.03); }

.header-cta { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.header-tel {
  display: flex; align-items: center; gap: 8px;
  font-size: 15px; color: var(--gold);
  letter-spacing: .04em;
  font-variant-numeric: tabular-nums;
}
.header-tel svg { width: 15px; height: 15px; }

.burger {
  display: none;
  width: 42px; height: 42px;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  gap: 5px;
  padding: 0;
}
.burger span {
  display: block; height: 1px; background: var(--gold);
  transition: all .3s var(--ease);
}
.burger span:nth-child(1) { width: 22px; }
.burger span:nth-child(2) { width: 22px; }
.burger span:nth-child(3) { width: 14px; }
.burger.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { width: 22px; transform: translateY(-6px) rotate(-45deg); }

/* Mobile drawer */
.drawer {
  position: fixed;
  inset: var(--header-h) 0 0;
  background: var(--ink);
  z-index: 85;
  padding: 24px var(--pad) 40px;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform .35s var(--ease);
  visibility: hidden;
}
.drawer.is-open { transform: translateX(0); visibility: visible; }
.drawer__nav > li { border-bottom: 1px solid var(--line-dark); }
.drawer__nav > li > a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0;
  font-size: 17px;
  color: #E4E1D8;
  letter-spacing: .04em;
}
.drawer__nav > li > a.is-active { color: var(--gold); }
.drawer__sub { padding: 0 0 14px 2px; display: flex; flex-wrap: wrap; gap: 10px; }
.drawer__sub a {
  font-size: 13px; color: #8A8880;
  padding: 6px 12px;
  border: 1px solid var(--line-dark);
  border-radius: 2px;
}
.drawer__foot { margin-top: 32px; }
.drawer__tel {
  display: block;
  font-size: 24px; color: var(--gold);
  letter-spacing: .06em;
  margin-bottom: 6px;
  font-variant-numeric: tabular-nums;
}
.drawer__hint { font-size: 13px; color: #6E6C74; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--ink);
  overflow: hidden;
}
/* 固定高度：所有屏共用同一容器高度，杜绝切换时的错位跳动 */
.hero__slides {
  position: relative;
  height: clamp(540px, 76vh, 760px);
}
.hero__slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity .9s var(--ease);
}
.hero__slide.is-active { opacity: 1; visibility: visible; }
.hero__bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  opacity: .55;
  transform: scale(1.06);
  transition: transform 7s var(--ease);
}
.hero__slide.is-active .hero__bg { transform: scale(1); }
.hero__bg::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(11,11,13,.95) 0%, rgba(11,11,13,.82) 40%, rgba(11,11,13,.30) 100%);
}
.hero__inner { position: relative; z-index: 2; width: 100%; }
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--gold);
  font-size: 12px;
  letter-spacing: .3em;
  margin-bottom: 24px;
}
.hero__eyebrow::before {
  content: "";
  width: 34px; height: 1px;
  background: var(--gold);
  opacity: .8;
}
.hero__title {
  font-size: clamp(32px, 4.6vw, 58px);
  line-height: 1.26;
  letter-spacing: .02em;
  color: #F5F3EE;
  max-width: 780px;
  font-weight: 400;
  text-wrap: balance;
}
.hero__sub {
  margin-top: 22px;
  font-size: 16px;
  line-height: 1.9;
  color: #A8A6A0;
  max-width: 540px;
}
.hero__acts { display: flex; align-items: center; gap: 22px; margin-top: 40px; flex-wrap: wrap; }
.hero__dots {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 30px;
  z-index: 3;
  display: flex;
  gap: 10px;
}
.hero__dot {
  width: 38px; height: 3px;
  border-radius: 3px;
  background: rgba(255,255,255,.22);
  padding: 0;
  transition: background .3s;
}
.hero__dot.is-active { background: var(--gold); }
.hero__scroll { display: none; }

/* Hero strip below */
.hero-strip {
  border-top: 1px solid var(--line-dark);
  background: #0E0E11;
}
.hero-strip__inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.hero-strip__item {
  padding: 26px 0;
  text-align: center;
  border-right: 1px solid var(--line-dark);
}
.hero-strip__item:last-child { border-right: 0; }
.hero-strip__num {
  font-size: 26px;
  color: var(--gold);
  letter-spacing: .02em;
  font-variant-numeric: tabular-nums;
}
.hero-strip__label { font-size: 12px; color: #6E6C74; margin-top: 4px; letter-spacing: .1em; }

/* ---------- Category grid ---------- */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.cat-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  padding: 34px 30px 32px;
  transition: all .35s var(--ease);
  overflow: hidden;
  display: block;
}
.cat-card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--gold);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .4s var(--ease);
}
.cat-card:hover { border-color: var(--line); box-shadow: 0 18px 44px -28px rgba(20,20,26,.4); transform: translateY(-3px); }
.cat-card:hover::before { transform: scaleY(1); }
.cat-card__ico {
  width: 44px; height: 44px;
  margin-bottom: 22px;
  color: var(--gold-deep);
}
.cat-card__ico svg { width: 100%; height: 100%; stroke-width: 1.5; }
.cat-card__name { font-size: 18px; letter-spacing: .02em; margin-bottom: 10px; }
.cat-card__desc { font-size: 13.5px; color: var(--text-3); line-height: 1.85; }
.cat-card__arrow {
  margin-top: 22px;
  font-size: 12px;
  color: var(--gold-deep);
  letter-spacing: .1em;
  opacity: 0;
  transform: translateX(-6px);
  transition: all .35s var(--ease);
}
.cat-card:hover .cat-card__arrow { opacity: 1; transform: translateX(0); }

/* ---------- Product grid ---------- */
.prod-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.prod-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line-2);
  transition: all .4s var(--ease);
  overflow: hidden;
}
.prod-card:hover { border-color: var(--line); box-shadow: 0 20px 50px -30px rgba(20,20,26,.45); }
.prod-card__media {
  position: relative;
  display: block;
  flex: none;
  /* 产品图 p-*.jpg 统一 800×800（1:1），框也是 1:1，不裁切不变形 */
  aspect-ratio: 1 / 1;
  background: var(--paper-2);
  overflow: hidden;
}
.prod-card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .7s var(--ease);
}
.prod-card:hover .prod-card__media img { transform: scale(1.045); }
.prod-card__badges {
  position: absolute;
  left: 14px; top: 14px;
  display: flex; gap: 6px;
  z-index: 2;
}
.badge {
  font-size: 10px;
  letter-spacing: .1em;
  padding: 4px 9px;
  background: rgba(11,11,13,.82);
  color: var(--gold-soft);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.badge--gold { background: var(--gold); color: #16130C; }
.prod-card__body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.prod-card__cat { font-size: 11px; color: var(--text-4); letter-spacing: .12em; margin-bottom: 8px; }
.prod-card__name { font-size: 16.5px; line-height: 1.45; letter-spacing: .01em; }
.prod-card__name a:hover { color: var(--gold-deep); }
.prod-card__sub { margin-top: 9px; font-size: 13px; color: var(--text-3); line-height: 1.7; flex: 1; }
.prod-card__foot {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line-2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.prod-card__tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tag {
  font-size: 11px;
  color: var(--text-3);
  background: var(--paper);
  padding: 3px 8px;
  border-radius: 2px;
}
.prod-card__more { font-size: 12px; color: var(--gold-deep); white-space: nowrap; }
.prod-card__more::after { content: " →"; }

/* ---------- Solution ---------- */
.sol-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line-2); border: 1px solid var(--line-2); }
.sol-item {
  background: var(--white);
  padding: 38px 34px;
  display: flex;
  gap: 22px;
  transition: background .35s var(--ease);
  position: relative;
}
.sol-item:hover { background: var(--paper); }
.sol-item__ico { width: 42px; height: 42px; flex: 0 0 42px; color: var(--gold-deep); }
.sol-item__ico svg { width: 100%; height: 100%; stroke-width: 1.5; }
.sol-item__name { font-size: 17px; margin-bottom: 8px; }
.sol-item__desc { font-size: 13.5px; color: var(--text-3); line-height: 1.85; }
.sol-item__more { display: inline-block; margin-top: 14px; font-size: 12px; color: var(--gold-deep); letter-spacing: .06em; }

/* ---------- Feature / why choose ---------- */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line-dark); }
.why-item { padding: 36px 28px; background: #0E0E11; }
.why-item__ico { width: 34px; height: 34px; color: var(--gold); margin-bottom: 20px; }
.why-item__ico svg { width: 100%; height: 100%; stroke-width: 1.5; }
.why-item__title { font-size: 16px; color: #EDEAE3; margin-bottom: 10px; }
.why-item__desc { font-size: 13px; color: #6E6C74; line-height: 1.85; }

/* ---------- Stats band ---------- */
.stats-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat {
  text-align: center;
  padding: 10px 20px;
  border-right: 1px solid var(--line);
}
.stat:last-child { border-right: 0; }
.stat__num {
  font-size: 44px;
  color: var(--ink);
  letter-spacing: .01em;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}
.stat__num small { font-size: 18px; color: var(--gold-deep); margin-left: 2px; }
.stat__label { font-size: 13px; color: var(--text-3); margin-top: 10px; letter-spacing: .08em; }

/* ---------- News ---------- */
.news-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 44px; }
.news-lead {
  display: block;
  border: 1px solid var(--line-2);
  overflow: hidden;
  background: var(--white);
  transition: box-shadow .4s var(--ease);
}
.news-lead:hover { box-shadow: 0 18px 44px -30px rgba(20,20,26,.4); }
/* 新闻头条配图：后台上传统一 800×800（1:1），框也 1:1，不裁切不变形 */
.news-lead__media { aspect-ratio: 1 / 1; overflow: hidden; background: var(--paper-2); }
.news-lead__media img { width: 100%; height: 100%; object-fit: cover; object-position: center; transition: transform .7s var(--ease); }
.news-lead:hover .news-lead__media img { transform: scale(1.04); }
.news-lead__body { padding: 26px 28px 28px; }
.news-lead__title { font-size: 21px; line-height: 1.5; margin-bottom: 12px; }
.news-lead__sum { font-size: 13.5px; color: var(--text-3); line-height: 1.85; }
.news-list { display: flex; flex-direction: column; }
.news-item {
  display: flex;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-2);
}
.news-item:first-child { padding-top: 0; }
.news-item:last-child { border-bottom: 0; }
.news-item__date {
  flex: 0 0 62px;
  color: var(--text-4);
  font-size: 12px;
  line-height: 1.5;
  padding-top: 2px;
  font-variant-numeric: tabular-nums;
}
.news-item__date b { display: block; color: var(--gold-deep); font-size: 19px; font-weight: 400; }
.news-item__title { font-size: 15px; line-height: 1.6; }
.news-item__title a:hover { color: var(--gold-deep); }
.news-item__cat { font-size: 11px; color: var(--text-4); margin-top: 6px; letter-spacing: .08em; }

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--ink);
  position: relative;
  overflow: hidden;
}
.cta-band::after {
  content: "";
  position: absolute;
  right: -80px; top: -80px;
  width: 380px; height: 380px;
  border: 1px solid rgba(200,160,99,.14);
  border-radius: 50%;
}
.cta-band__inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding: 62px 0;
  flex-wrap: wrap;
}
.cta-band__title { font-size: 30px; color: #F2F0EC; letter-spacing: .02em; }
.cta-band__sub { margin-top: 12px; font-size: 14px; color: #7A7880; }
.cta-band__acts { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- Breadcrumb ---------- */
.crumb-bar {
  background: var(--paper);
  border-bottom: 1px solid var(--line-2);
}
.crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 16px 0;
  font-size: 12.5px;
  color: var(--text-3);
}
.crumb a:hover { color: var(--gold-deep); }
.crumb span.sep { color: var(--text-4); }
.crumb .current { color: var(--text-2); }

/* ---------- Page hero ---------- */
.page-hero {
  background: var(--ink);
  padding: 74px 0 68px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  left: 50%; top: -40%;
  width: 1px; height: 180%;
  background: linear-gradient(180deg, transparent, rgba(200,160,99,.18), transparent);
}
.page-hero__eyebrow { color: var(--gold); font-size: 11px; letter-spacing: .3em; margin-bottom: 18px; }
.page-hero__title { font-size: 40px; color: #F5F3EE; letter-spacing: .02em; font-weight: 400; }
.page-hero__sub { margin-top: 16px; color: #8A8880; font-size: 15px; max-width: 680px; line-height: 1.85; }

/* 带背景图的 hero：左侧压暗保证文字可读 */
.page-hero--image {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.page-hero--image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11,11,13,.94) 0%, rgba(11,11,13,.86) 42%, rgba(11,11,13,.55) 100%);
  pointer-events: none;
}
.page-hero--image .wrap { position: relative; z-index: 1; }
@media (max-width: 768px) {
  .page-hero--image::after {
    background: linear-gradient(180deg, rgba(11,11,13,.9) 0%, rgba(11,11,13,.82) 100%);
  }
}

/* ---------- Filter tabs ---------- */
.filter-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 26px 0;
  border-bottom: 1px solid var(--line-2);
  margin-bottom: 40px;
}
.filter-bar a {
  font-size: 13.5px;
  color: var(--text-3);
  padding: 8px 18px;
  border: 1px solid var(--line-2);
  border-radius: 2px;
  transition: all .25s var(--ease);
}
.filter-bar a:hover { border-color: var(--text-4); color: var(--text); }
.filter-bar a.is-on { background: var(--ink); border-color: var(--ink); color: #F2F0EC; }

/* ---------- Product detail ---------- */
.pd-top {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, 1fr);
  gap: 56px;
  padding: 48px 0 0;
}
.pd-gallery__main {
  background: var(--paper);
  border: 1px solid var(--line-2);
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.pd-gallery__main img { width: 100%; height: 100%; object-fit: contain; padding: 24px; }
.pd-thumbs { display: flex; gap: 10px; margin-top: 12px; }
.pd-thumb {
  width: 76px; height: 76px;
  border: 1px solid var(--line-2);
  background: var(--paper);
  overflow: hidden;
  padding: 0;
  transition: border-color .25s;
}
.pd-thumb img { width: 100%; height: 100%; object-fit: contain; padding: 6px; }
.pd-thumb.is-on { border-color: var(--gold); }

.pd-info { padding-top: 6px; }
.pd-info__badges { display: flex; gap: 6px; margin-bottom: 16px; }
.pd-info__cat { font-size: 11.5px; color: var(--gold-deep); letter-spacing: .16em; margin-bottom: 12px; }
.pd-info__title { font-size: 32px; line-height: 1.36; letter-spacing: .01em; font-weight: 400; }
.pd-info__sub { margin-top: 14px; font-size: 15px; color: var(--text-3); line-height: 1.8; }
.pd-info__summary {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--line-2);
  font-size: 14.5px;
  color: var(--text-2);
  line-height: 1.95;
}
.pd-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 26px; }
.pd-kpi {
  border: 1px solid var(--line-2);
  padding: 14px 14px 12px;
  background: var(--white);
}
.pd-kpi b { display: block; font-size: 20px; font-weight: 500; color: var(--gold-deep); line-height: 1.2; }
.pd-kpi span { display: block; font-size: 11.5px; color: var(--text-3); margin-top: 4px; }
.pd-acts { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
.pd-note { margin-top: 16px; font-size: 12.5px; color: var(--text-4); }
.pd-note a { color: var(--gold-deep); }

.pd-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-2);
  border: 1px solid var(--line-2);
  margin-top: 56px;
}
.pd-feature { background: var(--white); padding: 28px 26px; }
.pd-feature__ico { width: 28px; height: 28px; color: var(--gold-deep); margin-bottom: 16px; }
.pd-feature__ico svg { width: 100%; height: 100%; stroke-width: 1.5; }
.pd-feature__title { font-size: 15px; margin-bottom: 8px; }
.pd-feature__desc { font-size: 13px; color: var(--text-3); line-height: 1.8; }

.pd-body {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
  gap: 56px;
  padding: 72px 0 0;
}
.pd-content h3 {
  font-size: 22px;
  margin: 40px 0 16px;
  letter-spacing: .01em;
  position: relative;
  padding-left: 16px;
}
.pd-content h3::before {
  content: "";
  position: absolute;
  left: 0; top: .55em;
  width: 3px; height: 16px;
  background: var(--gold);
}
.pd-content h3:first-child { margin-top: 0; }
.pd-content p { font-size: 15px; color: var(--text-2); line-height: 2; margin-bottom: 18px; }

.spec-table { border-top: 2px solid var(--ink); margin-top: 8px; }
.spec-table tr { border-bottom: 1px solid var(--line-2); }
.spec-table th, .spec-table td { padding: 13px 0; font-size: 13.5px; text-align: left; vertical-align: top; }
.spec-table th { width: 100px; color: var(--text-3); font-weight: 400; }
.spec-table td { color: var(--text); }

.pd-side { position: relative; }
.pd-side__inner { position: sticky; top: calc(var(--header-h) + 24px); }
.pd-consult {
  background: var(--paper);
  border: 1px solid var(--line-2);
  padding: 28px 26px;
}
.pd-consult__title { font-size: 17px; margin-bottom: 10px; }
.pd-consult__desc { font-size: 13px; color: var(--text-3); line-height: 1.85; margin-bottom: 20px; }
.pd-consult__tel { display: block; font-size: 22px; color: var(--ink); letter-spacing: .04em; margin-bottom: 4px; font-variant-numeric: tabular-nums; }
.pd-consult__time { font-size: 12px; color: var(--text-4); margin-bottom: 20px; }
.pd-related { margin-top: 32px; }
.pd-related__title { font-size: 13px; color: var(--text-3); letter-spacing: .12em; margin-bottom: 16px; }
.pd-related__item { display: flex; gap: 14px; padding: 12px 0; border-bottom: 1px solid var(--line-2); }
.pd-related__item img { width: 64px; height: 64px; object-fit: cover; background: var(--paper); flex: 0 0 64px; }
.pd-related__item b { display: block; font-size: 13.5px; font-weight: 400; line-height: 1.5; }
.pd-related__item span { font-size: 11.5px; color: var(--text-4); }

/* ---------- Article ---------- */
.article-wrap { max-width: 820px; margin: 0 auto; }
.article-head { padding: 56px 0 36px; border-bottom: 1px solid var(--line-2); margin-bottom: 40px; }
.article-head h1 { font-size: 32px; line-height: 1.45; letter-spacing: .01em; font-weight: 400; }
.article-meta {
  display: flex; flex-wrap: wrap; gap: 18px;
  margin-top: 20px;
  font-size: 12.5px; color: var(--text-4);
}
.article-meta span { display: flex; align-items: center; gap: 6px; }
.article-body { font-size: 15.5px; line-height: 2.05; color: var(--text-2); }
.article-body h2 { font-size: 23px; color: var(--text); margin: 44px 0 18px; letter-spacing: .01em; }
.article-body h3 { font-size: 18px; color: var(--text); margin: 34px 0 14px; }
.article-body p { margin-bottom: 20px; }
.article-body img { margin: 28px 0; }
.article-body ul, .article-body ol { margin: 0 0 20px; padding-left: 22px; list-style: revert; }
.article-body li { margin-bottom: 8px; }
.article-body blockquote {
  margin: 28px 0;
  padding: 4px 0 4px 24px;
  border-left: 2px solid var(--gold);
  color: var(--text-3);
  font-size: 15px;
}
.article-tags { margin-top: 44px; display: flex; gap: 8px; flex-wrap: wrap; }
.article-nav {
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--line-2);
  display: grid;
  gap: 10px;
}
.article-nav a { font-size: 13.5px; color: var(--text-3); }
.article-nav a:hover { color: var(--gold-deep); }

/* ---------- Rich text shared ---------- */
.rte { font-size: 15px; line-height: 2; color: var(--text-2); }
.rte h2 { font-size: 26px; color: var(--text); margin: 44px 0 18px; }
.rte h3 { font-size: 19px; color: var(--text); margin: 34px 0 14px; padding-left: 14px; position: relative; }
.rte h3::before {
  content: ""; position: absolute; left: 0; top: .5em;
  width: 3px; height: 15px; background: var(--gold);
}
.rte h2:first-child, .rte h3:first-child { margin-top: 0; }
.rte p { margin-bottom: 18px; }
.rte ul, .rte ol { margin: 0 0 18px; padding-left: 22px; list-style: revert; }
.rte li { margin-bottom: 8px; }
.rte img { margin: 24px 0; border-radius: 2px; }
.rte a { color: var(--gold-deep); border-bottom: 1px solid rgba(168,132,63,.3); }
.rte strong { color: var(--text); font-weight: 500; }
.rte blockquote {
  margin: 24px 0; padding: 16px 22px;
  background: var(--paper);
  border-left: 2px solid var(--gold);
  color: var(--text-3);
  font-size: 14px;
}

/* ---------- FAQ ---------- */
.faq-list { max-width: 940px; margin: 0 auto; border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
  text-align: left;
  font-size: 15.5px;
  color: var(--text);
  line-height: 1.65;
}
.faq-q:hover { color: var(--gold-deep); }
.faq-q__ico {
  flex: 0 0 18px;
  width: 18px; height: 18px;
  position: relative;
  margin-top: 4px;
}
.faq-q__ico::before, .faq-q__ico::after {
  content: ""; position: absolute; background: var(--gold-deep);
  transition: transform .3s var(--ease), opacity .3s;
}
.faq-q__ico::before { left: 0; top: 8px; width: 18px; height: 1px; }
.faq-q__ico::after { left: 8px; top: 0; width: 1px; height: 18px; }
.faq-item.is-open .faq-q__ico::after { transform: rotate(90deg); opacity: 0; }
.faq-a { display: none; padding: 0 0 24px; font-size: 14px; color: var(--text-3); line-height: 1.95; max-width: 820px; }
.faq-item.is-open .faq-a { display: block; }

/* ---------- Form ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row { margin-bottom: 16px; }
.field-label { display: block; font-size: 12.5px; color: var(--text-3); margin-bottom: 8px; letter-spacing: .04em; }
.field-label .req { color: var(--gold-deep); }
.input, .textarea, .select {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--white);
  padding: 13px 15px;
  font-size: 14px;
  color: var(--text);
  border-radius: 2px;
  transition: border-color .25s, box-shadow .25s;
  outline: none;
}
.input:focus, .textarea:focus, .select:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(200,160,99,.12);
}
.textarea { min-height: 120px; resize: vertical; line-height: 1.7; }
.input::placeholder, .textarea::placeholder { color: var(--text-4); }
/* iOS Safari：聚焦时若字号 < 16px 会自动放大整个页面。
   移动端单独提到 16px，桌面端保持 14px 的紧凑排版。 */
@media (max-width: 768px) {
  .input, .textarea, .select { font-size: 16px; padding: 12px 13px; }
}
.form-hint { font-size: 12px; color: var(--text-4); margin-top: 12px; line-height: 1.7; }
.form-msg { font-size: 13px; padding: 12px 16px; margin-bottom: 18px; border-radius: 2px; display: none; }
.form-msg.is-on { display: block; }
.form-msg--ok { background: #EDF5EC; color: #2C6E3F; border: 1px solid #C8E2C4; }
.form-msg--err { background: #FCF0F0; color: #A32D2D; border: 1px solid #F2CFCF; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 64px; }
.contact-info__item { display: flex; gap: 18px; padding: 22px 0; border-bottom: 1px solid var(--line-2); }
.contact-info__ico { width: 20px; height: 20px; flex: 0 0 20px; color: var(--gold-deep); margin-top: 4px; }
.contact-info__ico svg { width: 100%; height: 100%; stroke-width: 1.5; }
.contact-info__label { font-size: 12px; color: var(--text-4); letter-spacing: .1em; margin-bottom: 6px; }
.contact-info__val { font-size: 15px; color: var(--text); line-height: 1.7; }
.contact-info__val--lg { font-size: 24px; color: var(--ink); letter-spacing: .04em; font-variant-numeric: tabular-nums; }
.contact-card { background: var(--paper); padding: 40px 36px; border: 1px solid var(--line-2); }
.qr-box { display: flex; gap: 20px; align-items: center; margin-top: 28px; padding-top: 26px; border-top: 1px solid var(--line); }
.qr-box img { width: 96px; height: 96px; object-fit: contain; background: #fff; padding: 6px; border: 1px solid var(--line); }

/* ---------- Pager ---------- */
.pager { display: flex; gap: 6px; justify-content: center; margin-top: 56px; flex-wrap: wrap; }
.pager__item {
  min-width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0 12px;
  font-size: 13px;
  color: var(--text-3);
  border: 1px solid var(--line-2);
  border-radius: 2px;
  transition: all .25s;
}
.pager__item:hover { border-color: var(--text-4); color: var(--text); }
.pager__item.is-current { background: var(--ink); border-color: var(--ink); color: #F2F0EC; }

/* ---------- Empty ---------- */
.empty { text-align: center; padding: 80px 20px; color: var(--text-4); font-size: 14px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: #7A7880; padding: 72px 0 0; }
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 52px;
  border-bottom: 1px solid var(--line-dark);
}
.footer-brand__logo { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.footer-brand__desc { font-size: 13px; line-height: 1.95; color: #6E6C74; max-width: 300px; }
.footer-brand__badges { display: flex; gap: 8px; margin-top: 22px; flex-wrap: wrap; }
.footer-brand__badges span {
  font-size: 11px; color: #5C5A56;
  border: 1px solid var(--line-dark);
  padding: 4px 10px;
  border-radius: 2px;
}
.footer-col h4 { font-size: 13px; color: #C4C1BA; letter-spacing: .12em; margin-bottom: 18px; font-weight: 400; }
.footer-col li { margin-bottom: 12px; }
.footer-col a { font-size: 13px; color: #7A7880; }
.footer-col a:hover { color: var(--gold); }
.footer-contact__tel { display: block; font-size: 26px; color: var(--gold); letter-spacing: .04em; margin-bottom: 6px; font-variant-numeric: tabular-nums; }
.footer-contact__time { font-size: 12px; color: #5C5A56; margin-bottom: 18px; }
.footer-contact p { font-size: 13px; line-height: 1.9; color: #6E6C74; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0 28px;
  font-size: 12px;
  color: #55534F;
  flex-wrap: wrap;
}
.footer-bottom a:hover { color: var(--gold); }
.footer-bottom__links { display: flex; gap: 18px; flex-wrap: wrap; }

/* ---------- Mobile action bar ---------- */
.mobile-bar {
  display: none;
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 80;
  background: rgba(11,11,13,.96);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--line-dark);
  padding-bottom: env(safe-area-inset-bottom);
}
.mobile-bar__inner { display: grid; grid-template-columns: repeat(3, 1fr); }
.mobile-bar a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  height: 56px;
  font-size: 11px;
  color: #9C9A94;
  letter-spacing: .04em;
}
.mobile-bar a svg { width: 17px; height: 17px; }
.mobile-bar a.is-key { background: var(--gold); color: #16130C; }

/* ---------- 方案详情配图 ---------- */
.sol-figure { margin: 0 0 36px; }
.sol-figure img {
  width: 100%;
  height: auto;
  border-radius: 3px;
  /* 后台上传统一 800×800（1:1），框也 1:1，不裁切不变形 */
  aspect-ratio: 1 / 1;
  object-fit: cover;
}
@media (max-width: 768px) {
  .sol-figure { margin-bottom: 26px; }
}

/* ---------- 选品方法（四条） ---------- */
.method-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  margin: 0;
  padding: 0;
  list-style: none;
}
.method {
  padding: 38px 30px 34px 0;
  border-right: 1px solid var(--line);
  position: relative;
}
.method:last-child { border-right: 0; padding-right: 0; }
.method:not(:first-child) { padding-left: 30px; }
.method__no {
  display: block;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gold);
  margin-bottom: 18px;
  font-weight: 500;
}
.method__title {
  font-size: 18px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.55;
  margin: 0 0 12px;
}
.method__desc {
  font-size: 14px;
  line-height: 1.9;
  color: #6E6B64;
  margin: 0;
}
@media (max-width: 1024px) {
  .method-band { grid-template-columns: repeat(2, 1fr); }
  .method:nth-child(2n) { border-right: 0; padding-right: 0; }
  .method:nth-child(2n+1) { padding-left: 0; }
  .method:nth-child(n+3) { border-top: 1px solid var(--line); }
  .method:nth-child(3) { padding-left: 0; }
  .method:nth-child(4) { padding-left: 30px; }
}
@media (max-width: 768px) {
  .method-band { grid-template-columns: 1fr; }
  .method, .method:not(:first-child), .method:nth-child(4) { padding: 26px 0; border-right: 0; border-top: 1px solid var(--line); }
  .method:first-child { border-top: 0; }
  .method__no { margin-bottom: 12px; }
  .method__title { font-size: 16.5px; margin-bottom: 9px; }
  .method__desc { font-size: 13.5px; }
}

/* ---------- 品牌简介（GEO 可摘取区块） ---------- */
.section--intro { background: var(--white); padding: 84px 0; }
.brand-intro { max-width: 980px; margin: 0 auto; }
.brand-intro__head { text-align: center; margin-bottom: 34px; }
.brand-intro__head .eyebrow { display: block; margin-bottom: 14px; }
.brand-intro__title {
  font-size: 30px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: .02em;
  margin: 0;
}
.brand-intro__text {
  font-size: 16px;
  line-height: 2.1;
  color: #4A4841;
  text-align: justify;
  margin: 0 auto 40px;
  max-width: 860px;
}
.brand-intro__facts {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin: 0;
}
.brand-intro__facts > div {
  background: var(--white);
  padding: 22px 14px;
  text-align: center;
}
.brand-intro__facts dt {
  font-size: 12px;
  color: #8B8880;
  letter-spacing: .06em;
  margin-bottom: 9px;
}
.brand-intro__facts dd {
  margin: 0;
  font-size: 15px;
  color: var(--ink);
  font-weight: 500;
  line-height: 1.4;
}
@media (max-width: 1024px) {
  .brand-intro__facts { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .section--intro { padding: 56px 0; }
  .brand-intro__title { font-size: 23px; }
  .brand-intro__text { font-size: 14.5px; line-height: 1.95; margin-bottom: 30px; text-align: left; }
  .brand-intro__facts { grid-template-columns: repeat(2, 1fr); }
  .brand-intro__facts > div { padding: 18px 10px; }
  .brand-intro__facts dt { font-size: 11px; }
  .brand-intro__facts dd { font-size: 14px; }
}

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(20px); }
.reveal.is-in { opacity: 1; transform: none; transition: opacity .8s var(--ease), transform .8s var(--ease); }
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal.is-in { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Notice bar ---------- */
.notice-bar {
  background: #17150F;
  border-bottom: 1px solid #2A2318;
  font-size: 12.5px;
  color: #B7A176;
}
.notice-bar__inner {
  display: flex; align-items: center; gap: 10px;
  height: 38px;
  overflow: hidden;
}
.notice-bar__dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--gold); flex-shrink: 0;
  animation: pulse 2.4s infinite;
}
.notice-bar span.txt { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.notice-bar a { color: var(--gold); margin-left: auto; white-space: nowrap; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .3; } }

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1180px) {
  :root { --pad: 32px; }
  .nav > li > a { padding: 0 12px; font-size: 13.5px; }
  .hero__title { font-size: 46px; }
  .pd-top { gap: 40px; }
}

@media (max-width: 1024px) {
  .nav, .header-tel { display: none; }
  .burger { display: flex; }
  .hero__slides { height: clamp(480px, 62vh, 560px); }
  .hero__title { font-size: 40px; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr; gap: 32px; }
  .pd-top { grid-template-columns: 1fr; gap: 36px; }
  .pd-body { grid-template-columns: 1fr; gap: 44px; }
  .pd-side__inner { position: static; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; }
  .stats-band { grid-template-columns: repeat(2, 1fr); }
  .stat { padding: 22px 10px; border-bottom: 1px solid var(--line); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(3), .stat:nth-child(4) { border-bottom: 0; }
}

@media (max-width: 768px) {
  :root { --pad: 20px; --header-h: 62px; }
  body { font-size: 14.5px; }
  .section { padding: 60px 0; }
  .section--tight { padding: 44px 0; }
  .sec-title { font-size: 25px; }
  .sec-sub { font-size: 14px; }
  .sec-head { margin-bottom: 30px; }
  .sec-head--split { align-items: flex-start; gap: 18px; }

  .logo img, .logo__img { height: 40px; }
  .logo__cn { font-size: 16px; }
  .header-cta .btn { display: none; }

  .hero__slides { height: clamp(460px, 88vh, 560px); }
  .hero__inner { padding: 56px 0 62px; }
  .hero__title { font-size: 30px; line-height: 1.32; }
  .hero__sub { font-size: 14px; margin-top: 16px; }
  .hero__eyebrow { font-size: 11px; margin-bottom: 18px; }
  .hero__acts { margin-top: 28px; gap: 14px; }
  .hero__acts .btn { height: 44px; padding: 0 22px; font-size: 13.5px; }
  .hero__scroll { display: none; }
  .hero__dots { left: var(--pad); bottom: 22px; }
  .hero__bg { background-position: 72% center; opacity: .45; }
  .hero__bg::after { background: linear-gradient(180deg, rgba(11,11,13,.9) 0%, rgba(11,11,13,.86) 60%, rgba(11,11,13,.7) 100%); }

  .hero-strip__inner { grid-template-columns: repeat(2, 1fr); }
  .hero-strip__item { padding: 18px 0; border-bottom: 1px solid var(--line-dark); }
  .hero-strip__item:nth-child(2) { border-right: 0; }
  .hero-strip__item:nth-child(3), .hero-strip__item:nth-child(4) { border-bottom: 0; }
  .hero-strip__num { font-size: 21px; }
  .hero-strip__label { font-size: 11px; }

  .cat-grid { grid-template-columns: 1fr; gap: 12px; }
  .cat-card { padding: 24px 22px; }
  .cat-card__ico { width: 34px; height: 34px; margin-bottom: 16px; }
  .cat-card__name { font-size: 16.5px; }
  .cat-card__arrow { opacity: 1; transform: none; margin-top: 14px; }

  .prod-grid { grid-template-columns: 1fr; gap: 16px; }
  .prod-card__body { padding: 18px 18px 20px; }

  .sol-list { grid-template-columns: 1fr; }
  .sol-item { padding: 26px 22px; gap: 16px; }
  .sol-item__ico { width: 32px; height: 32px; flex: 0 0 32px; }

  .why-grid { grid-template-columns: 1fr; }
  .why-item { padding: 26px 22px; }

  .stats-band { grid-template-columns: repeat(2, 1fr); border: 1px solid var(--line); }
  .stat__num { font-size: 30px; }
  .stat__label { font-size: 12px; margin-top: 6px; }

  .news-lead__body { padding: 20px 18px 22px; }
  .news-lead__title { font-size: 17px; }
  .news-item { gap: 14px; padding: 16px 0; }
  .news-item__date { flex-basis: 54px; }

  .cta-band__inner { padding: 44px 0; flex-direction: column; align-items: flex-start; gap: 26px; }
  .cta-band__title { font-size: 23px; }
  .cta-band__sub { font-size: 13.5px; }

  .page-hero { padding: 48px 0 44px; }
  .page-hero__title { font-size: 27px; }
  .page-hero__sub { font-size: 14px; }
  .crumb { padding: 12px 0; font-size: 11.5px; }
  /* 移动端可点区域 ≥ 44px（含触点外扩），避免手指点不中 */
  .crumb a { position: relative; display: inline-block; padding: 6px 2px; }
  .crumb a::after { content: ''; position: absolute; left: -6px; right: -6px; top: -8px; bottom: -8px; }

  /* 产品卡：标题 + 查看详情 都是链接，但行高只有 21px，把热区上下撑开 */
  .prod-card__name a { position: relative; display: block; padding: 3px 0; }
  .prod-card__foot a { position: relative; display: inline-block; padding: 9px 0; font-size: 13px; }
  .prod-card__foot a::after { content: ''; position: absolute; left: -8px; right: -8px; top: 0; bottom: 0; }

  .filter-bar { padding: 18px 0; margin-bottom: 26px; gap: 6px; overflow-x: auto; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; }
  .filter-bar::-webkit-scrollbar { display: none; }
  .filter-bar a { flex: 0 0 auto; padding: 7px 14px; font-size: 12.5px; }

  .pd-top { padding: 28px 0 0; gap: 28px; }
  .pd-info__title { font-size: 24px; }
  .pd-info__sub { font-size: 14px; }
  .pd-info__summary { font-size: 14px; margin-top: 20px; padding-top: 20px; }
  .pd-kpis { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .pd-kpi { padding: 11px 10px; }
  .pd-kpi b { font-size: 16px; }
  .pd-kpi span { font-size: 10.5px; }
  .pd-acts { margin-top: 24px; }
  .pd-acts .btn { flex: 1; min-width: 140px; }
  .pd-thumb { width: 60px; height: 60px; }
  .pd-features { grid-template-columns: repeat(2, 1fr); margin-top: 36px; }
  .pd-feature { padding: 20px 18px; }
  .pd-body { padding-top: 40px; }
  .pd-content h3 { font-size: 18px; margin: 30px 0 12px; }
  .pd-content p { font-size: 14.5px; line-height: 1.95; }
  .spec-table th { width: 84px; font-size: 12.5px; }
  .spec-table td { font-size: 12.5px; }

  .article-head { padding: 32px 0 24px; margin-bottom: 28px; }
  .article-head h1 { font-size: 23px; }
  .article-body { font-size: 15px; line-height: 1.95; }
  .article-body h2 { font-size: 19px; margin: 32px 0 14px; }
  .article-body h3 { font-size: 16.5px; }
  .rte h2 { font-size: 20px; }
  .rte h3 { font-size: 17px; }

  .form-grid { grid-template-columns: 1fr; gap: 0; }
  .contact-card { padding: 26px 20px; }
  .contact-info__val--lg { font-size: 21px; }
  .qr-box { flex-direction: column; align-items: flex-start; gap: 12px; }

  .faq-q { font-size: 14.5px; padding: 18px 0; }

  .pager { margin-top: 36px; }
  .pager__item { min-width: 36px; height: 36px; font-size: 12.5px; }

  .site-footer { padding-top: 48px; padding-bottom: 56px; }
  .footer-top { grid-template-columns: 1fr; gap: 30px; padding-bottom: 32px; }
  .footer-col h4 { margin-bottom: 12px; }
  .footer-bottom { padding: 18px 0 20px; font-size: 11.5px; gap: 10px; }

  .mobile-bar { display: block; }

  .notice-bar__inner { height: 34px; font-size: 11.5px; }
  .notice-bar a { display: none; }
}

@media (max-width: 400px) {
  .hero__title { font-size: 26px; }
  .pd-kpis { grid-template-columns: repeat(2, 1fr); }
  .pd-features { grid-template-columns: 1fr; }
}

/* ==========================================================================
   兼容层：旧版浏览器回退
   ========================================================================== */

/* 1. flex 容器内的 gap —— Safari 14.0 及以下、Chrome 83 及以下不支持。
      用「子元素 margin + 负外边距」在不支持 gap 的浏览器里补回间距。
      注：@supports (gap: 1px) 在同时支持 flex-gap 的浏览器里为真，故用 not 反向。
      grid 容器不受影响（grid-gap 支持得早），因此排除 grid。 */
@supports not (gap: 1px) {
  .sec-head--split > *:not(:last-child) { margin-right: 32px; }
  .header-cta > *:not(:last-child) { margin-right: 14px; }
  .hero__acts > *:not(:last-child) { margin-right: 22px; }
  .prod-card__tags > *:not(:last-child) { margin-right: 6px; }
  .pd-acts > *:not(:last-child) { margin-right: 12px; }
  .cta-band__acts > *:not(:last-child) { margin-right: 14px; }
  .footer-bottom__links > *:not(:last-child) { margin-right: 18px; }
  .logo > *:not(:last-child) { margin-right: 10px; }
  .header-tel > *:not(:last-child) { margin-right: 8px; }
  .nav > li:not(:last-child) { margin-right: 2px; }
}

/* 2. aspect-ratio —— Safari 14.0 及以下不支持，用 padding-top 占位保持同样的图框比例。
      仅对「图片撑满容器」的卡片生效；详情大图本身 1:1 有 min-height 兜底。 */
@supports not (aspect-ratio: 1 / 1) {
  .prod-card__media { position: relative; height: 0; padding-top: 87.5%; }
  .prod-card__media > img {
    position: absolute; inset: 0; top: 0; left: 0;
    width: 100%; height: 100%;
  }
  /* 1:1 框 = 100% 高度占位（width 的 100%） */
  .news-lead__media { position: relative; height: 0; padding-top: 100%; }
  .news-lead__media > img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
  .sol-figure img { height: auto; }
  .sol-cell__media { position: relative; height: 0; padding-top: 100%; }
  .sol-cell__media > img { position: absolute; inset: 0; width: 100%; height: 100%; }
  .case-card__media { position: relative; height: 0; padding-top: 100%; }
  .case-card__media > img { position: absolute; inset: 0; width: 100%; height: 100%; }
  .cat-card__media { position: relative; height: 0; padding-top: 100%; }
  .cat-card__media > img { position: absolute; inset: 0; width: 100%; height: 100%; }
  .show-card img { height: auto; }
}

/* 3. position: sticky —— 极旧浏览器降级为常驻顶部（不吸顶但始终可见，不遮挡内容）。 */
@supports not (position: sticky) {
  .site-header { position: relative; }
}

/* 4. 磨砂降级：不支持 backdrop-filter 时用更实的底色保证文字可读。 */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .site-header { background: rgba(11, 11, 13, .97); }
  .mobile-bar { background: rgba(11, 11, 13, .99); }
  .badge { background: rgba(11, 11, 13, .92); }
}

/* 5. object-fit 兜底：IE / 旧 Edge 不支持，图片会拉伸。
      用 max-height + 居中裁剪不了的场景可接受，至少不溢出容器。 */
@supports not (object-fit: cover) {
  .prod-card__media img,
  .news-lead__media img { width: 100%; height: auto; }
}

/* ==========================================================================
   悬浮咨询（滚动常驻）
   桌面端：右下角收成一个圆形按钮，点开向上弹出面板
   移动端：贴在底部操作栏之上，同样可展开
   ========================================================================== */
.consult {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 95;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  font-size: 14px;
}
.consult__toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 52px;
  padding: 0 20px 0 16px;
  border-radius: 26px;
  background: var(--ink);
  color: var(--gold-soft);
  border: 1px solid rgba(200,160,99,.42);
  box-shadow: 0 14px 34px -12px rgba(11,11,13,.55);
  transition: background .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
}
.consult__toggle:hover {
  background: var(--ink-3);
  transform: translateY(-2px);
  box-shadow: 0 18px 40px -12px rgba(11,11,13,.62);
}
.consult__toggle-ico { width: 19px; height: 19px; flex: 0 0 19px; }
.consult__toggle-txt { font-size: 14px; letter-spacing: .04em; }

/* 展开态：按钮变收起 */
.consult.is-open .consult__toggle { background: var(--gold); color: #16130C; border-color: var(--gold); }

.consult__panel {
  width: 292px;
  margin-bottom: 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  box-shadow: 0 24px 60px -22px rgba(11,11,13,.42);
  padding: 18px 18px 14px;
  transform-origin: bottom right;
  animation: consultIn .26s var(--ease) both;
}
.consult__panel[hidden] { display: none; }
@keyframes consultIn {
  from { opacity: 0; transform: translateY(10px) scale(.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.consult__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}
.consult__title { font-size: 15px; font-weight: 500; color: var(--ink); }
.consult__close {
  width: 26px; height: 26px;
  display: grid; place-items: center;
  font-size: 20px; line-height: 1;
  color: var(--text-4);
  border-radius: 50%;
  transition: background .2s, color .2s;
}
.consult__close:hover { background: var(--paper-2); color: var(--text-2); }
.consult__desc {
  font-size: 12.5px;
  color: var(--text-3);
  line-height: 1.7;
  margin-bottom: 14px;
}
.consult__item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 12px;
  border-radius: 3px;
  border: 1px solid var(--line-2);
  margin-bottom: 8px;
  transition: border-color .2s, background .2s;
}
.consult__item:hover { border-color: var(--gold); background: rgba(200,160,99,.05); }
.consult__item--key { background: var(--ink); border-color: var(--ink); }
.consult__item--key:hover { background: var(--ink-3); border-color: var(--ink-3); }
.consult__ico {
  width: 17px; height: 17px;
  flex: 0 0 17px;
  color: var(--gold-deep);
  display: grid; place-items: center;
}
.consult__ico svg { width: 100%; height: 100%; stroke-width: 1.5; }
.consult__item--key .consult__ico { color: var(--gold); }
.consult__body { display: flex; flex-direction: column; line-height: 1.35; min-width: 0; }
.consult__label { font-size: 11px; color: var(--text-4); letter-spacing: .06em; }
.consult__item--key .consult__label { color: #8A8880; }
.consult__val {
  font-size: 15px;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.consult__item--key .consult__val { color: var(--gold-soft); font-variant-numeric: tabular-nums; }

.consult__qr {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px 12px;
  margin-bottom: 8px;
  border: 1px dashed var(--line);
  border-radius: 3px;
}
.consult__qr img { width: 74px; height: 74px; border-radius: 2px; }
.consult__qr span { font-size: 12px; color: var(--text-3); line-height: 1.6; }

.consult__time {
  font-size: 11.5px;
  color: var(--text-4);
  text-align: center;
  padding-top: 8px;
  border-top: 1px solid var(--line-2);
  margin: 6px 0 0;
}

/* 桌面端：贴近滚动内容时不遮挡页脚，滚动到底自动上浮 */
.consult.is-end { bottom: 28px; }

@media (max-width: 1024px) {
  .consult { right: 12px; top: 50%; }
  .consult__panel { width: 278px; }
}

/* 移动端：贴在底部操作栏上方，展开时全宽化 */
@media (max-width: 768px) {
  .consult {
    right: 14px;
    /* 底栏 56px + 安全区 */
    bottom: calc(56px + env(safe-area-inset-bottom) + 12px);
    align-items: flex-end;
  }
  .consult__toggle {
    height: 46px;
    padding: 0 16px 0 13px;
    border-radius: 23px;
  }
  .consult__toggle-txt { font-size: 13px; }
  .consult__panel {
    width: calc(100vw - 28px);
    max-width: 340px;
    margin-bottom: 10px;
    max-height: calc(100vh - 200px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .consult__val { font-size: 16px; }
  /* 触摸目标 */
  .consult__item { padding: 13px 12px; }
  .consult__close { width: 34px; height: 34px; font-size: 22px; }
}

@media (max-width: 400px) {
  .consult__panel { width: calc(100vw - 20px); }
  .consult { right: 10px; }
}

/* 打印时隐藏 */
@media print {
  .consult, .mobile-bar { display: none !important; }
}

/* ================= 明星产品 · 大图展示 ================= */
.showcase { padding-top: 8px; }
/* 三图并排：等宽三列，每张都是 1:1 方图（后台统一 800×800），不裁切不变形。
   v1.1.8 起由原来的「1 张 16:8.5 横幅 + 2 张 4:3」改为三列等大方图，
   彻底消除横幅框对 1:1 图的上下各裁 23% 的变形问题。 */
.show-trio {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.show-card {
  position: relative;
  display: block;
  border-radius: var(--radius-lg, 16px);
  overflow: hidden;
  background: #111114;
  box-shadow: 0 24px 60px rgba(0,0,0,.16);
}
.show-card img {
  width: 100%;
  /* 800×800 上传图 → 框也是 1:1，完整显示不裁切 */
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform .8s var(--ease);
}
.show-card:hover img { transform: scale(1.04); }
.show-card__cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 68px 26px 24px;
  background: linear-gradient(180deg, rgba(11,11,13,0) 0%, rgba(11,11,13,.86) 78%);
  color: #F2F0EC;
}
.show-card__tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--gold);
  color: #14100a;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  margin-bottom: 10px;
}
.show-card__name { font-size: 18px; font-weight: 600; letter-spacing: .02em; line-height: 1.4; }
.show-card__sub {
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(242,240,236,.72);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.show-card__more {
  display: inline-block;
  margin-top: 12px;
  font-size: 12.5px;
  color: var(--gold);
  letter-spacing: .08em;
}
.show-card:hover .show-card__more { text-decoration: underline; }

@media (max-width: 900px) {
  .show-trio { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
}
@media (max-width: 620px) {
  .show-trio { grid-template-columns: 1fr; gap: 14px; }
  .show-card__cap { padding: 56px 20px 20px; }
  .show-card__name { font-size: 17px; }
}

/* ================= 底部二维码 ================= */
.footer-contact__qr {
  margin-top: 14px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--line-dark);
  border-radius: 10px;
}
.footer-contact__qr img {
  width: 92px; height: 92px;
  border-radius: 6px;
  display: block;
  background: #fff;
}
.footer-contact__qr span {
  font-size: 12.5px;
  color: #9C9A94;
  letter-spacing: .06em;
}

/* ================= 场景九宫格 ================= */
/* ===== 首页「你的门，属于哪一种？」九宫格（v1.1.6：带场景配图） ===== */
.sol-grid9 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  /* 内容不足 9 格时整体居中，不留一边空一边满 */
  justify-content: center;
  max-width: 1180px;
  margin: 0 auto;
}
.sol-cell {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 0 0 22px;
  overflow: hidden;
  background: var(--white, #fff);
  border: 1px solid var(--line);
  border-radius: 14px;
  transition: border-color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
}
/* 场景配图：框比例 = 后台上传图的比例 1:1（800×800），不裁切、不变形。
   ★ flex: none 必须写：.sol-cell 是 column flex 容器，
     不写 aspect-ratio 会被 flex 算法拉高/压扁，图片再跟着 height:100% 变形，
     看起来就是「锁被拉长」。
   ★ 比例必须与上传图一致（1/1）：原来写 4/3、后又试 3/2，
     而后台统一传 800×800，框不是 1:1 就会被 cover 上下/左右裁掉一截。 */
.sol-cell__media {
  position: relative;
  display: block;
  flex: none;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--paper, #F7F6F3);
}
.sol-cell__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform .5s var(--ease);
}
.sol-cell__fallback {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  color: var(--gold);
  background: var(--paper, #F7F6F3);
}
.sol-cell__fallback svg { width: 40px; height: 40px; }
/* 图标徽章已从首页九宫格移除（只在解决方案内页出现），此处保留类名占位不再输出图形 */
.sol-cell__ico { display: none; }
.sol-cell__body {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 22px 20px 0;
}
.sol-cell__name { font-size: 16.5px; font-weight: 600; color: var(--ink); letter-spacing: .02em; }
.sol-cell__desc {
  margin-top: 7px;
  font-size: 13px;
  line-height: 1.7;
  color: #7C7A74;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.sol-cell__more {
  margin-top: 12px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12.5px;
  color: var(--gold);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity .25s var(--ease), transform .25s var(--ease);
}
.sol-cell__more svg { width: 13px; height: 13px; }
/* 悬停：卡片抬起、边框变深、图片轻微放大、箭头出现 */
.sol-cell:hover {
  border-color: var(--ink);
  transform: translateY(-4px);
  box-shadow: 0 20px 44px rgba(11,11,13,.16);
}
.sol-cell:hover .sol-cell__media img { transform: scale(1.04); }
.sol-cell:hover .sol-cell__ico { background: var(--gold); color: #14100a; }
.sol-cell:hover .sol-cell__more { opacity: 1; transform: none; }

@media (max-width: 1024px) {
  .sol-grid9 { grid-template-columns: repeat(2, 1fr); gap: 14px; }
}
@media (max-width: 680px) {
  .sol-grid9 { grid-template-columns: 1fr; gap: 12px; }
  .sol-cell__body { padding: 20px 18px 0; }
}

/* ================= 工程案例 ================= */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.case-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.case-card:hover {
  transform: translateY(-4px);
  border-color: rgba(200,160,99,.55);
  box-shadow: 0 20px 44px rgba(11,11,13,.12);
}
/* 运营案例配图：后台上传统一 800×800（1:1），框也 1:1，不裁切不变形 */
.case-card__media { aspect-ratio: 1 / 1; overflow: hidden; background: var(--paper); }
.case-card__media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .7s var(--ease); }
.case-card:hover .case-card__media img { transform: scale(1.04); }
.case-card__body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.case-card__meta { font-size: 12px; color: var(--gold); letter-spacing: .14em; }
.case-card__title { margin-top: 8px; font-size: 17px; font-weight: 600; color: var(--ink); line-height: 1.45; }
.case-card__sum { margin-top: 9px; font-size: 13.5px; line-height: 1.75; color: #7C7A74; flex: 1; }
.case-card__more {
  margin-top: 14px;
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 12.5px; color: var(--gold);
}
.case-card__more svg { width: 13px; height: 13px; }

@media (max-width: 1024px) { .case-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 680px) { .case-grid { grid-template-columns: 1fr; } }

/* ============================================================
   v1.0.4 首页 UI 升级（覆盖式增强，放在文件末尾以获得更高优先级）
   ============================================================ */

/* --- 服务承诺条：金线 + 深色渐变 --- */
.hero-strip {
  border-top: none;
  background: linear-gradient(180deg, #101014 0%, #0B0B0D 100%);
  position: relative;
}
.hero-strip::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--gold) 30%, var(--gold) 70%, transparent 100%);
  opacity: .85;
}
.hero-strip__item {
  position: relative;
  padding: 30px 0;
  transition: background .3s var(--ease);
}
.hero-strip__item:hover { background: rgba(200, 160, 99, .05); }
.hero-strip__num {
  font-size: 27px;
  background: linear-gradient(180deg, #E8CD96 0%, var(--gold) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 500;
}

/* --- 品牌简介：两栏卡片（左正文 / 右事实网格） --- */
.brand-intro {
  max-width: 1120px;
  margin: 0 auto;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 30px 70px -40px rgba(20, 20, 26, .25);
  padding: 52px 56px;
  display: grid;
  grid-template-columns: 1.15fr .95fr;
  gap: 48px;
  align-items: stretch;
  position: relative;
  overflow: hidden;
}
.brand-intro::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold-deep), var(--gold) 40%, transparent 90%);
}
.brand-intro__main { min-width: 0; }
.brand-intro__head { text-align: left; margin-bottom: 22px; }
.brand-intro__head .eyebrow { display: block; margin-bottom: 12px; }
.brand-intro__text { font-size: 15px; line-height: 2.05; color: var(--text-2); text-align: justify; margin: 0; }
.brand-intro {
  align-items: stretch;
}
.brand-intro__facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-auto-rows: 1fr;
  gap: 12px;
  margin: 0;
  height: 100%;
  align-content: stretch;
}
.brand-intro__facts > div,
.brand-fact {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: left;
  background: var(--paper);
  border: 1px solid var(--line-2);
  border-radius: 12px;
  padding: 18px 20px 17px 26px;
  transition: border-color .3s var(--ease), background .3s var(--ease), transform .3s var(--ease), box-shadow .3s var(--ease);
}
.brand-intro__facts > div::before,
.brand-fact::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 3px;
  border-radius: 0 2px 2px 0;
  background: linear-gradient(180deg, var(--gold), var(--gold-soft));
  opacity: .9;
}
.brand-intro__facts > div:hover,
.brand-fact:hover {
  border-color: rgba(200, 160, 99, .5);
  background: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -18px rgba(20, 20, 26, .25);
}
.brand-intro__facts dt {
  font-size: 11.5px;
  color: var(--gold-deep);
  letter-spacing: .16em;
  margin-bottom: 6px;
}
.brand-intro__facts dd {
  margin: 0;
  font-size: 13.5px;
  color: var(--text);
  line-height: 1.6;
}
.section--intro { background: linear-gradient(180deg, var(--white) 0%, var(--paper) 100%); }

@media (max-width: 1024px) {
  .brand-intro { grid-template-columns: 1fr; padding: 38px 32px; gap: 30px; }
}
@media (max-width: 680px) {
  .brand-intro { padding: 30px 22px; border-radius: 14px; }
  .brand-intro__facts { grid-template-columns: repeat(2, 1fr); }
}

/* --- 产品卡：上浮 + 金边 --- */
.section .prod-card { transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease); }
.section .prod-card:hover {
  transform: translateY(-5px);
  border-color: rgba(200, 160, 99, .55);
  box-shadow: 0 26px 56px -30px rgba(20, 20, 26, .38);
}

/* --- 大图实拍：圆角 + 阴影 --- */
.show-card {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 30px 70px -42px rgba(20, 20, 26, .5);
}

/* --- 选品方法：白卡化 --- */
.method {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 30px 28px;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.method:hover {
  transform: translateY(-4px);
  border-color: rgba(200, 160, 99, .5);
  box-shadow: 0 22px 50px -30px rgba(20, 20, 26, .3);
}
.method__no {
  color: var(--gold);
  opacity: .9;
}

/* --- 资讯卡 --- */
.news-lead {
  border-radius: 14px;
  overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.news-lead:hover {
  transform: translateY(-4px);
  box-shadow: 0 26px 56px -32px rgba(20, 20, 26, .38);
}
.news-item {
  border-radius: 10px;
  transition: background .3s var(--ease);
}
.news-item:hover { background: var(--paper); }

/* --- FAQ 白卡 --- */
.faq-list { border-top: 0; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-bottom: 10px;
  overflow: hidden;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.faq-item:hover { border-color: rgba(200, 160, 99, .45); }
.faq-item.is-open {
  border-color: rgba(200, 160, 99, .55);
  box-shadow: 0 16px 40px -28px rgba(20, 20, 26, .3);
}
.faq-item .faq-q { padding: 20px 26px; font-weight: 500; }
.faq-item .faq-q__ico { margin-right: 2px; }
.faq-item .faq-a { padding: 0 26px 22px; max-width: none; line-height: 1.95; }
.faq-item.is-open .faq-q { color: var(--gold-deep); }

/* --- 九宫格卡片圆角 --- */
.sol-cell { border-radius: 14px; }

/* --- 分类卡圆角 --- */
.cat-card { border-radius: 14px; }

/* ============================================================
   v1.0.6 UI 评审改版（2026-10-21）
   1 导航下拉  2 首屏右移露图  3 九宫格金描边  4 系列卡补图
   5 分类页双栏  6 列表卡参数  7 金色纪律  8 断崖字阶  详情页固定CTA
   ============================================================ */

/* --- 8. 断崖式字阶：主标题 48-64px / 小节标题加大加粗 --- */
.hero__title {
  font-size: clamp(34px, 5vw, 64px);
  font-weight: 500;
  line-height: 1.22;
}
.sec-title {
  font-size: clamp(30px, 3.6vw, 48px);
  font-weight: 600;
  line-height: 1.28;
}
.page-hero__title { font-size: clamp(34px, 4.2vw, 54px); font-weight: 500; }

/* --- 2. 首屏：背景右移露产品，左侧暗场保文案 --- */
.hero__bg {
  background-position: 68% center;
  opacity: .82;
}
.hero__bg::after {
  background: linear-gradient(90deg,
    rgba(11,11,13,.96) 0%,
    rgba(11,11,13,.86) 32%,
    rgba(11,11,13,.38) 68%,
    rgba(11,11,13,.14) 100%);
}
.hero__inner { max-width: calc(var(--wrap) - 260px); }
.hero__dots { gap: 12px; bottom: 34px; }
.hero__dot { width: 46px; height: 4px; border-radius: 4px; }
@media (max-width: 900px) {
  .hero__bg { background-position: 62% center; }
  .hero__inner { max-width: none; }
}

/* --- 1. 导航下拉：两处均有 + 箭头指示；右侧间距收紧 --- */
.nav > li > a { padding: 0 13px; margin: 0 1px; }
.nav > li:has(.nav-drop) > a::after {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  margin-left: 7px;
  vertical-align: 3px;
  transition: transform .25s var(--ease);
}
.nav > li:has(.nav-drop):hover > a::after { transform: rotate(225deg); vertical-align: 1px; }
.nav-drop {
  border-radius: 12px;
  box-shadow: 0 24px 54px -22px rgba(11,11,13,.55);
  padding: 12px 0;
}
.nav-drop a { padding: 10px 24px; font-size: 13.5px; }
.nav-drop a:hover { color: #F2F0EC; background: rgba(255,255,255,.05); }
.header-cta { gap: 10px; }
.header-tel { gap: 6px; font-size: 14.5px; }

/* --- 3. 场景九宫格：统一米白基调，悬停只用金色描边，不翻黑 --- */
.sol-cell__ico { color: #6E6C66; background: rgba(11,11,13,.05); }
.sol-cell__more { color: #8A8880; }
.sol-cell:hover {
  background: #FFFFFF;
  border-color: rgba(200,160,99,.6);
  transform: translateY(-3px);
  box-shadow: 0 18px 40px -26px rgba(20,20,26,.28);
}
.sol-cell:hover .sol-cell__ico { background: rgba(11,11,13,.06); color: var(--ink); }
.sol-cell:hover .sol-cell__name { color: var(--ink); }
.sol-cell:hover .sol-cell__desc { color: #55534E; }
.sol-cell:hover .sol-cell__more { color: var(--gold-deep); opacity: 1; transform: none; }

/* --- 4. 产品系列卡：上图下文 + 金色文字箭头常显，六卡等高 --- */
.cat-card { padding: 0; display: flex; flex-direction: column; }
.cat-card__media {
  /* 系列封面图：后台上传统一 800×800（1:1），框也 1:1，不裁切不变形 */
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--paper-2);
  flex: none;
}
.cat-card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .7s var(--ease);
}
.cat-card:hover .cat-card__media img { transform: scale(1.05); }
.cat-card__media-fallback {
  height: 100%;
  display: grid; place-items: center;
  color: #B9B7B1;
}
.cat-card__media-fallback svg { width: 54px; height: 54px; stroke-width: 1.2; }
.cat-card__body { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.cat-card__name { font-size: 18px; margin-bottom: 8px; }
.cat-card__desc {
  font-size: 13.5px;
  color: var(--text-3);
  line-height: 1.8;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.cat-card__arrow {
  margin-top: 18px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--gold-deep);
  letter-spacing: .06em;
  opacity: 1;
  transform: none;
  transition: transform .3s var(--ease);
}
.cat-card__arrow svg { width: 13px; height: 13px; }
.cat-card:hover .cat-card__arrow { transform: translateX(4px); opacity: 1; }

/* --- 6. 产品列表卡：一句话卖点 + 2 个核心参数 + 悬停上浮 --- */
.prod-card:hover {
  transform: translateY(-6px);
  border-color: var(--line);
  box-shadow: 0 26px 56px -30px rgba(20,20,26,.38);
}
.prod-card__sub { margin-top: 8px; }
.prod-card__specs { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 12px; }
.prod-card__spec {
  font-size: 11.5px;
  color: #55534E;
  background: var(--paper);
  border: 1px solid var(--line-2);
  padding: 4px 9px;
  border-radius: 3px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.prod-card__spec::before {
  content: "";
  width: 4px; height: 4px;
  border-radius: 50%;
  background: #9C9A94;
  flex: none;
}
.prod-card__foot { justify-content: flex-end; }
.prod-card__more { color: var(--text); font-weight: 500; }
.prod-card__more:hover { color: var(--gold-deep); }

/* --- 7. 金色纪律：标签/徽标/次要链接回归中性，金色只留主 CTA 与品牌字 --- */
.badge { color: #C9C7C1; }
.cat-card__ico { display: none; }

/* --- 5. 分类页：左图右文双栏导购 --- */
.cat-intro {
  display: grid;
  grid-template-columns: minmax(0, 460px) minmax(0, 1fr);
  align-items: stretch;
  background: var(--white);
  border: 1px solid var(--line-2);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 48px;
}
/* 图片框：固定 4:5 竖版比例，contain 保证产品图完整不被裁切，也不会被正文高度拉变形 */
.cat-intro__media {
  position: relative;
  background: var(--paper-2);
  min-height: 0;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.cat-intro__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}
.cat-intro__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  padding: 48px 56px 46px 48px;
}
.cat-intro__title {
  font-size: 22px;
  font-weight: 600;
  line-height: 1.55;
  margin: 12px 0 16px;
  letter-spacing: .01em;
  color: var(--ink);
}
.cat-intro__rte {
  font-size: 14.5px;
  color: #55534E;
  line-height: 1.95;
}
.cat-intro__rte p { margin: 0 0 12px; }
.cat-intro__rte p:last-child { margin-bottom: 0; }
.cat-intro__acts { margin-top: 28px; display: flex; gap: 14px; flex-wrap: wrap; }
@media (max-width: 1024px) {
  .cat-intro { grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); }
  .cat-intro__body { padding: 36px 34px 34px 30px; }
  .cat-intro__title { font-size: 20px; }
}
@media (max-width: 900px) {
  .cat-intro { grid-template-columns: 1fr; }
  .cat-intro__media { aspect-ratio: 1 / 1; }
  .cat-intro__body { padding: 28px 26px 30px; justify-content: flex-start; }
  .cat-intro__title { font-size: 19px; margin: 10px 0 12px; }
  .cat-intro__rte { font-size: 14px; line-height: 1.9; }
}

/* --- 5b. 产品详情页：底部固定金色预约条 --- */
.pd-fixbar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 85;
  background: rgba(255,255,255,.97);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
  box-shadow: 0 -10px 34px -20px rgba(20,20,26,.3);
}
.pd-fixbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-top: 11px;
  padding-bottom: 11px;
}
.pd-fixbar__info { min-width: 0; }
.pd-fixbar__info b { display: block; font-size: 15px; letter-spacing: .02em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pd-fixbar__info span { display: block; font-size: 12px; color: var(--text-3); margin-top: 2px; }
.pd-fixbar__acts { display: flex; align-items: center; gap: 18px; flex-shrink: 0; }
.pd-fixbar__tel {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.pd-fixbar__tel svg { width: 15px; height: 15px; }
@media (max-width: 760px) {
  .pd-fixbar { display: none; } /* 移动端底部已有 mobile-bar 电话入口 */
}

/* ============================================================
   v1.0.7（2026-10-21）
   1 文章 meta 错位修复  2 详情页建议零售价  3 页脚联系列重排
   ============================================================ */

/* --- 1. 文章 meta 修复：icon() 输出的 svg 无宽高（默认 300x150）撑爆容器致文字竖排 --- */
.article-meta { gap: 10px 28px; align-items: center; }
.article-meta span { display: inline-flex; align-items: center; gap: 7px; white-space: nowrap; }
.article-meta svg { width: 15px; height: 15px; flex: none; }
/* 零特异性全局兜底：未被任何规则设定尺寸的内联 svg 给基准大小，避免同类问题再犯 */
:where(main svg:not([width]):not([height]), footer svg:not([width]):not([height]), .drawer svg:not([width]):not([height])) {
  width: 1.05em; height: 1.05em; flex: none;
}

/* --- 2. 产品详情页建议零售价 --- */
.pd-price {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 22px 0 4px;
  padding: 16px 22px;
  background: linear-gradient(160deg, rgba(200,160,99,.10), rgba(200,160,99,.02) 60%);
  border: 1px solid rgba(200,160,99,.28);
  border-radius: 10px;
  width: fit-content;
}
.pd-price__label { font-size: 12.5px; color: var(--text-3); letter-spacing: .08em; }
.pd-price__cur { font-size: 16px; color: var(--gold-deep); font-weight: 500; }
.pd-price__num {
  font-size: 30px;
  font-weight: 600;
  color: var(--gold-deep);
  letter-spacing: .01em;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.pd-price__note { font-size: 11.5px; color: var(--text-4); align-self: flex-end; padding-bottom: 2px; }

/* --- 3. 页脚联系栏重排：地址分行、邮箱微信独立成行、节奏统一 --- */
.footer-contact__rows { margin: 16px 0 4px; }
.footer-contact__rows p {
  margin: 0 0 11px;
  font-size: 13px;
  line-height: 1.8;
  color: #8A8880;
}
.footer-contact__rows p:last-child { margin-bottom: 0; }
.footer-contact__qr { margin-top: 18px; }

/* ============================================================
   v1.0.9：产品详情页首屏视频 + 缩略图视频角标
   ============================================================ */
.pd-gallery__main .pd-gallery__video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  background: #0B0B0D;
}
.pd-thumb { position: relative; }
.pd-thumb--video::after {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 26px; height: 26px;
  border-radius: 50%;
  background: rgba(11, 11, 13, .58);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, .35) inset;
  pointer-events: none;
}
.pd-thumb--video::before {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-32%, -50%);
  border-style: solid;
  border-width: 6px 0 6px 10px;
  border-color: transparent transparent transparent #fff;
  z-index: 1;
  pointer-events: none;
}

/* ============================================================
   v1.1.0：详情页参考图改版（箭头/计数器/价格整行/编号卖点/保障行）
   ============================================================ */
/* 图集：箭头 + 计数器 + 缩略图横向滚动 */
.pd-gallery { position: relative; }
.pd-gal-nav__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 0;
  background: rgba(255, 255, 255, .92);
  color: var(--ink);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(11, 11, 13, .18);
  transition: background .2s, transform .2s;
}
.pd-gal-nav__btn:hover { background: #fff; transform: translateY(-50%) scale(1.06); }
.pd-gal-nav__btn[data-gallery-prev] { left: 12px; }
.pd-gal-nav__btn[data-gallery-next] { right: 12px; }
.pd-gal-nav__count {
  position: absolute;
  right: 14px; bottom: 14px;
  z-index: 3;
  font-size: 12px;
  color: #F2F0EC;
  background: rgba(11, 11, 13, .62);
  padding: 4px 10px;
  border-radius: 999px;
  font-variant-numeric: tabular-nums;
  letter-spacing: .06em;
  pointer-events: none;
}
.pd-thumbs {
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: thin;
  padding-bottom: 4px;
}
.pd-thumbs .pd-thumb { flex: none; }

/* 价格块：整行浅金底 + 大字 + 右侧备注 */
.pd-price {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  margin: 20px 0 6px;
  padding: 20px 26px;
  background: linear-gradient(160deg, #FBF3E2, #F7EDD8 70%);
  border: 1px solid rgba(200, 160, 99, .38);
  border-radius: 10px;
}
.pd-price__main { display: flex; align-items: baseline; gap: 8px; }
.pd-price__label { font-size: 12.5px; color: var(--text-3); letter-spacing: .08em; }
.pd-price__cur { font-size: 18px; color: var(--gold-deep); font-weight: 600; }
.pd-price__num {
  font-size: 34px;
  font-weight: 700;
  color: var(--gold-deep);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.pd-price__note { font-size: 12px; color: var(--text-4); text-align: right; }

/* 两列编号卖点 */
.pd-points {
  list-style: none;
  margin: 20px 0 4px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 26px;
}
.pd-point { display: flex; align-items: flex-start; gap: 10px; }
.pd-point__no {
  flex: none;
  width: 20px; height: 20px;
  margin-top: 1px;
  border-radius: 50%;
  border: 1.5px solid var(--gold-deep);
  color: var(--gold-deep);
  font-size: 11px;
  font-style: normal;
  font-weight: 600;
  display: grid;
  place-items: center;
  line-height: 1;
}
.pd-point__txt { font-size: 14px; color: var(--text-2); line-height: 1.6; }
@media (max-width: 640px) { .pd-points { grid-template-columns: 1fr; } }

/* 服务保障行 */
.pd-assure {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 0;
  margin-top: 18px;
  font-size: 12.5px;
  color: var(--text-3);
}
.pd-assure span { display: inline-flex; align-items: center; }
.pd-assure span::before {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--gold);
  margin-right: 7px;
}
.pd-assure span + span { margin-left: 22px; }