@charset "gb2312";
/* ==========================================================================
   潍坊市利斯特机械设备有限公司 · 站点样式
   纯本地资源，无外部 CDN / 字体，首屏只依赖本文件
   ========================================================================== */

/* ---------- 0. 基础 ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

:root {
  --ink: #0a0f16;
  --ink-2: #111a24;
  --ink-3: #1b2634;
  --steel: #59667a;
  --muted: #7d8896;
  --line: #e2e5e9;
  --line-soft: #eef0f3;
  --line-dark: #222d3b;
  --paper: #f6f7f8;
  --paper-2: #eef1f3;
  --red: #b31f29;
  --red-2: #d0353f;
  --white: #fff;
  --wrap: 1280px;
  --pad: 28px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans CN", "Heiti SC", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.8;
  color: #26303c;
  background: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: color .25s var(--ease), background-color .25s var(--ease), border-color .25s var(--ease), opacity .25s var(--ease); }
a:hover { color: var(--red); }
img { border: 0; max-width: 100%; vertical-align: middle; }
ul, ol, dl, dt, dd, p, h1, h2, h3, h4, h5, h6, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
em, i { font-style: normal; }
strong, b { font-weight: 600; }
table { border-collapse: collapse; }
.clear { clear: both; height: 0; overflow: hidden; }
.fl { float: left; }
.fr { float: right; }
.pa { position: absolute; }
.pr { position: relative; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }

/* ---------- 1. 通用组件 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--red);
  flex: none;
}
.eyebrow--light { color: rgba(255, 255, 255, .55); }

.sec { padding: clamp(58px, 7vw, 100px) 0; }
.sec--tight { padding: clamp(44px, 5vw, 68px) 0; }
.sec--paper { background: var(--paper); }
.sec--ink { background: var(--ink); color: #fff; }

.sec-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: clamp(32px, 4vw, 56px);
}
.sec-head__main { max-width: 720px; }
.sec-head h2 {
  margin-top: 14px;
  font-size: clamp(26px, 2.5vw, 38px);
  line-height: 1.28;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--ink);
}
.sec-head p {
  margin-top: 12px;
  font-size: 14px;
  color: var(--muted);
  letter-spacing: .04em;
}
.sec-head .link-more { flex: none; }
.sec--ink .sec-head h2,
.sec--adv .sec-head h2 { color: #fff; }
.sec--ink .sec-head p,
.sec--adv .sec-head p { color: rgba(255, 255, 255, .5); }

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--steel);
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line);
}
.link-more span { transition: transform .3s var(--ease); }
.link-more:hover { color: var(--red); border-color: var(--red); }
.link-more:hover span { transform: translateX(4px); }
.sec--ink .link-more { color: rgba(255, 255, 255, .6); border-color: rgba(255, 255, 255, .22); }
.sec--ink .link-more:hover { color: #fff; border-color: #fff; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  height: 52px;
  padding: 0 34px;
  font-size: 14px;
  letter-spacing: .1em;
  background: var(--red);
  color: #fff;
  border: 1px solid var(--red);
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, .18);
  transform: translateY(101%);
  transition: transform .35s var(--ease);
}
.btn:hover { color: #fff; }
.btn:hover::after { transform: translateY(0); }
.btn > * { position: relative; z-index: 1; }
.btn--ghost { background: transparent; border-color: rgba(255, 255, 255, .38); color: #fff; }
.btn--ghost:hover { border-color: #fff; }
.btn--line { background: transparent; border-color: var(--line); color: var(--ink); }
.btn--line:hover { border-color: var(--ink); color: var(--ink); }
.btn--sm { height: 44px; padding: 0 24px; font-size: 13px; }

/* ---------- 2. 顶栏 + 主头部 ---------- */
.topbar {
  background: var(--ink);
  color: rgba(255, 255, 255, .55);
  font-size: 13px;
  letter-spacing: .04em;
}
.topbar__in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 40px;
  gap: 24px;
}
.topbar__slogan { display: flex; align-items: center; gap: 10px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar__slogan b { color: rgba(255, 255, 255, .9); font-weight: 400; }
.topbar__links { display: flex; align-items: center; gap: 22px; flex: none; }
.topbar__links a { display: inline-flex; align-items: center; gap: 6px; }
.topbar__links a:hover { color: #fff; }
.topbar__links .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--red-2); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s var(--ease);
}
.site-header.is-stuck { box-shadow: 0 12px 34px rgba(10, 15, 22, .09); }
.header__in {
  display: flex;
  align-items: center;
  gap: clamp(20px, 2.6vw, 48px);
  height: 86px;
}
.logo { flex: none; display: flex; align-items: center; }
.logo img { height: 46px; width: auto; display: block; }
.logo:hover { opacity: .85; }

.nav { margin-left: auto; flex: 0 1 auto; }
.nav > ul { display: flex; align-items: center; gap: 2px; }
.nav > ul > li { position: static; }
.nav > ul > li > a {
  display: flex;
  align-items: center;
  height: 86px;
  padding: 0 clamp(12px, 1.25vw, 20px);
  font-size: 16px;
  color: #1d2836;
  letter-spacing: .03em;
  position: relative;
  white-space: nowrap;
}
.nav > ul > li > a::after {
  content: "";
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 24px;
  height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .32s var(--ease);
}
.nav > ul > li:hover > a,
.nav > ul > li.is-active > a { color: var(--red); }
.nav > ul > li:hover > a::after,
.nav > ul > li.is-active > a::after { transform: scaleX(1); }
.nav .has-mega > a::before {
  content: "";
  position: absolute;
  right: 6px;
  top: 50%;
  width: 6px;
  height: 6px;
  margin-top: -6px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg);
  opacity: .5;
}

.header__cta { flex: none; display: flex; align-items: center; gap: 20px; white-space: nowrap; }
.header__tel { display: flex; flex-direction: column; line-height: 1.25; text-align: right; }
.header__tel span { font-size: 11px; letter-spacing: .16em; color: var(--muted); }
.header__tel b {
  font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
  font-size: 22px;
  letter-spacing: .02em;
  color: var(--ink);
  font-weight: 700;
}
.header__tel b:hover { color: var(--red); }

/* 产品大菜单 */
.mega {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  background: #fff;
  border-top: 1px solid var(--line);
  box-shadow: 0 28px 60px rgba(10, 15, 22, .13);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity .28s var(--ease), transform .28s var(--ease), visibility .28s;
  z-index: 10;
}
.nav > ul > li.has-mega:hover .mega,
.nav > ul > li.has-mega:focus-within .mega { opacity: 1; visibility: visible; transform: translateY(0); }
.mega__in { display: grid; grid-template-columns: 300px 1fr; gap: 56px; padding-top: 44px; padding-bottom: 48px; }
.mega__side { border-right: 1px solid var(--line); padding-right: 44px; }
.mega__side h4 { font-size: 20px; color: var(--ink); margin-bottom: 6px; }
.mega__side em { display: block; font-size: 11px; letter-spacing: .2em; color: var(--muted); text-transform: uppercase; }
.mega__side p { margin-top: 20px; font-size: 13px; line-height: 1.9; color: var(--muted); }
.mega__side .btn--line { margin-top: 24px; }
.mega__cat { counter-reset: cat; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 40px; }
.mega__cat a {
  counter-increment: cat;
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 15px;
  color: #2a3543;
}
.mega__cat a::before {
  content: counter(cat, decimal-leading-zero);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--muted);
}
.mega__cat a:hover { color: var(--red); padding-left: 6px; }
.mega__cat a:hover::before { color: var(--red); }

/* 移动端菜单按钮 */
.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  margin-left: auto;
  position: relative;
  border: 1px solid var(--line);
}
.nav-toggle i,
.nav-toggle i::before,
.nav-toggle i::after {
  position: absolute;
  left: 13px;
  width: 20px;
  height: 1px;
  background: var(--ink);
  transition: transform .3s var(--ease), opacity .2s;
}
.nav-toggle i { top: 22px; }
.nav-toggle i::before { content: ""; left: 0; top: -6px; }
.nav-toggle i::after { content: ""; left: 0; top: 6px; }
body.nav-open .nav-toggle i { background: transparent; }
body.nav-open .nav-toggle i::before { transform: translateY(6px) rotate(45deg); }
body.nav-open .nav-toggle i::after { transform: translateY(-6px) rotate(-45deg); }

/* 抽屉 */
.drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(86vw, 380px);
  background: var(--ink);
  color: #fff;
  z-index: 200;
  padding: 24px 26px 40px;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform .4s var(--ease);
}
.drawer.is-open { transform: translateX(0); }
.drawer__head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 20px; border-bottom: 1px solid var(--line-dark); }
.drawer__head span { font-size: 12px; letter-spacing: .22em; color: rgba(255, 255, 255, .45); }
.drawer__close { font-size: 26px; line-height: 1; color: #fff; }
.drawer__nav { padding: 10px 0 4px; }
.drawer__nav > li { border-bottom: 1px solid var(--line-dark); }
.drawer__nav > li > a { display: block; padding: 18px 0; font-size: 17px; color: #fff; }
.drawer__nav small { display: block; font-size: 11px; letter-spacing: .16em; color: rgba(255, 255, 255, .32); margin-top: 4px; }
.drawer__cats { padding: 12px 0 10px; display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
.drawer__cats a { padding: 9px 0; font-size: 13px; color: rgba(255, 255, 255, .66); }
.drawer__cats a:hover { color: #fff; }
.drawer__foot { margin-top: 26px; padding-top: 24px; border-top: 1px solid var(--line-dark); }
.drawer__foot b { display: block; font-family: Arial, Helvetica, sans-serif; font-size: 27px; letter-spacing: .02em; color: #fff; }
.drawer__foot span { font-size: 11px; letter-spacing: .16em; color: rgba(255, 255, 255, .45); }
.drawer__foot .btn { margin-top: 18px; width: 100%; }
.drawer__mask {
  position: fixed;
  inset: 0;
  background: rgba(6, 10, 16, .55);
  z-index: 190;
  opacity: 0;
  visibility: hidden;
  transition: opacity .35s, visibility .35s;
}
body.nav-open .drawer__mask { opacity: 1; visibility: visible; }

/* ---------- 3. 首页首屏 ---------- */
.hero {
  position: relative;
  background: var(--ink);
  color: #fff;
  overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; }
.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 68% 42%;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(92deg, rgba(7, 11, 17, .98) 0%, rgba(7, 11, 17, .92) 34%, rgba(7, 11, 17, .58) 62%, rgba(7, 11, 17, .3) 100%),
    linear-gradient(180deg, rgba(7, 11, 17, .55) 0%, rgba(7, 11, 17, 0) 30%, rgba(7, 11, 17, .55) 100%);
  z-index: 1;
}
.hero__in {
  position: relative;
  z-index: 2;
  min-height: clamp(540px, 76vh, 720px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: clamp(70px, 10vw, 120px);
  padding-bottom: clamp(56px, 7vw, 88px);
}
.hero__copy { max-width: 760px; }
.hero__copy h1 {
  margin-top: 26px;
  font-size: clamp(32px, 4.1vw, 60px);
  line-height: 1.22;
  font-weight: 700;
  letter-spacing: .01em;
}
.hero__copy h1 em {
  display: inline-block;
  color: #fff;
  position: relative;
}
.hero__copy h1 em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 3px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  animation: heroLine 1.1s .7s var(--ease) forwards;
}
@keyframes heroLine { to { transform: scaleX(1); } }
.hero__copy p {
  margin-top: 26px;
  max-width: 560px;
  font-size: 15px;
  line-height: 2.05;
  color: rgba(255, 255, 255, .68);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 40px; }
.hero__metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin-top: clamp(44px, 5vw, 64px);
  border-top: 1px solid rgba(255, 255, 255, .16);
  max-width: 820px;
}
.hero__metrics li {
  padding: 24px 22px 0 0;
  border-right: 1px solid rgba(255, 255, 255, .12);
}
.hero__metrics li:last-child { border-right: 0; }
.hero__metrics b {
  display: block;
  font-family: Arial, Helvetica, sans-serif;
  font-size: clamp(24px, 2.2vw, 32px);
  font-weight: 700;
  letter-spacing: .02em;
  line-height: 1.2;
  color: #fff;
}
.hero__metrics b i { font-size: 13px; color: var(--red-2); margin-left: 2px; vertical-align: super; letter-spacing: .06em; }
.hero__metrics span { display: block; margin-top: 8px; font-size: 12px; letter-spacing: .12em; color: rgba(255, 255, 255, .45); }
.hero__side {
  position: absolute;
  right: calc(var(--pad) + 74px);
  top: 50%;
  z-index: 2;
  writing-mode: vertical-rl;
  font-size: 11px;
  letter-spacing: .42em;
  color: rgba(255, 255, 255, .28);
  text-transform: uppercase;
  transform: translateY(-50%);
}
.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 26px;
  z-index: 2;
  width: 1px;
  height: 44px;
  background: rgba(255, 255, 255, .28);
  overflow: hidden;
}
.hero__scroll::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 1px;
  height: 18px;
  background: #fff;
  animation: scrollDot 1.8s infinite var(--ease);
}
@keyframes scrollDot { 0% { transform: translateY(-20px); } 100% { transform: translateY(46px); } }

/* ---------- 4. 产品中心 ---------- */
.cat-strip {
  display: grid;
  grid-template-columns: repeat(9, minmax(0, 1fr));
  border-top: 1px solid #d8dce1;
  border-bottom: 1px solid #d8dce1;
  margin-bottom: clamp(32px, 4vw, 48px);
  counter-reset: strip;
}
.cat-strip a {
  counter-increment: strip;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 17px 12px;
  border-right: 1px solid #e4e7eb;
  font-size: 12.5px;
  color: #33404f;
  white-space: nowrap;
  overflow: hidden;
}
.cat-strip a:last-child { border-right: 0; }
.cat-strip a::before {
  content: counter(strip, decimal-leading-zero);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 11px;
  color: #98a2af;
  letter-spacing: .06em;
}
.cat-strip a:hover { background: #fff; color: var(--red); box-shadow: inset 0 -2px 0 var(--red); }
.cat-strip a::before { transition: color .25s; }
.cat-strip a:hover::before { color: var(--red); }

.p-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
.p-card {
  background: #fff;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  transition: border-color .35s var(--ease), box-shadow .35s var(--ease), transform .35s var(--ease);
}
.p-card:hover { border-color: #c7ccd3; box-shadow: 0 22px 46px rgba(10, 15, 22, .09); transform: translateY(-3px); }
.p-card__ph {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--paper-2);
  overflow: hidden;
}
.p-card__ph img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .7s var(--ease);
}
.p-card:hover .p-card__ph img { transform: scale(1.05); }
.p-card__body { padding: 20px 22px 22px; display: flex; align-items: flex-end; justify-content: space-between; gap: 14px; }
.p-card__body h3 { font-size: 15px; font-weight: 600; line-height: 1.5; color: #1c2635; transition: color .25s; }
.p-card__body small {
  display: block;
  margin-top: 4px;
  font-size: 10px;
  letter-spacing: .18em;
  color: #a3acb8;
  text-transform: uppercase;
}
.p-card__body i {
  flex: none;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
  color: #b9c0c9;
  transform: translateX(-4px);
  transition: transform .3s var(--ease), color .3s;
}
.p-card:hover .p-card__body h3 { color: var(--red); }
.p-card:hover .p-card__body i { transform: translateX(0); color: var(--red); }

.p-card--line { background: transparent; border-color: var(--line); }

/* ---------- 5. 优势（深色） ---------- */
.sec--adv { position: relative; background: var(--ink); color: #fff; overflow: hidden; }
.sec--adv__bg { position: absolute; inset: 0; opacity: .22; }
.sec--adv__bg img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1); }
.sec--adv::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 11, 17, .94) 0%, rgba(7, 11, 17, .86) 100%);
}
.sec--adv > .wrap { position: relative; z-index: 2; }
.adv-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid rgba(255, 255, 255, .14); }
.adv-item { padding: 34px 30px 8px; border-right: 1px solid rgba(255, 255, 255, .1); }
.adv-item:last-child { border-right: 0; }
.adv-item b {
  display: block;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--red-2);
}
.adv-item h3 { margin-top: 26px; font-size: clamp(18px, 1.5vw, 22px); font-weight: 600; line-height: 1.4; letter-spacing: .02em; }
.adv-item h3 span { display: block; font-size: 18px; color: rgba(255, 255, 255, .55); font-weight: 400; margin-top: 4px; }
.adv-item em { display: block; margin-top: 10px; font-family: Arial, Helvetica, sans-serif; font-size: 10px; letter-spacing: .16em; color: rgba(255, 255, 255, .3); text-transform: uppercase; }
.adv-item p { margin-top: 22px; font-size: 13.5px; line-height: 2; color: rgba(255, 255, 255, .6); }

.adv-quote {
  margin-top: clamp(36px, 4vw, 56px);
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.adv-quote p { font-size: clamp(16px, 1.6vw, 21px); letter-spacing: .04em; color: rgba(255, 255, 255, .85); }
.adv-quote p span { color: var(--red-2); }
.adv-quote .link-more { color: rgba(255, 255, 255, .6); }

/* ---------- 6. 流程 ---------- */
.flow { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); position: relative; }
.flow::before {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  top: 34px;
  height: 1px;
  background: var(--line);
}
.flow li { position: relative; padding-right: 18px; }
.flow li i {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 68px;
  height: 68px;
  border: 1px solid var(--line);
  background: #fff;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--steel);
  position: relative;
  z-index: 1;
  transition: background .3s, color .3s, border-color .3s;
}
.flow li:hover i { background: var(--ink); border-color: var(--ink); color: #fff; }
.flow li b { display: block; margin-top: 22px; font-size: 16px; font-weight: 600; color: var(--ink); }
.flow li span { display: block; margin-top: 6px; font-size: 12.5px; color: var(--muted); line-height: 1.7; }
.flow-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: clamp(36px, 4vw, 52px);
  padding: 26px 30px;
  background: var(--paper);
  border-left: 3px solid var(--red);
}
.flow-foot p { font-size: 15px; color: var(--steel); }
.flow-foot p b { color: var(--ink); }
.flow-foot p b a { font-family: Arial, Helvetica, sans-serif; font-size: 21px; letter-spacing: .02em; }

/* ---------- 7. 工程案例 ---------- */
.c-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
.c-card { display: block; position: relative; overflow: hidden; background: var(--paper-2); }
.c-card figure { position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.c-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease), filter .5s; filter: saturate(.9); }
.c-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 11, 17, 0) 30%, rgba(7, 11, 17, .5) 66%, rgba(7, 11, 17, .93) 100%);
  pointer-events: none;
}
.c-card__cap {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 18px;
  z-index: 2;
  color: #fff;
}
.c-card__cap { text-shadow: 0 1px 12px rgba(0, 0, 0, .45); }
.c-card__cap small { display: block; font-size: 10px; letter-spacing: .2em; color: rgba(255, 255, 255, .62); text-transform: uppercase; }
.c-card__cap b { display: block; margin-top: 4px; font-size: 15px; font-weight: 500; line-height: 1.5; }
.c-card:hover img { transform: scale(1.05); filter: saturate(1.05); }
.c-card:hover .c-card__cap b { color: #fff; }

/* ---------- 8. 关于我们 ---------- */
.about-split { display: grid; grid-template-columns: 1.02fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.about-media { position: relative; }
.about-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; }
.about-media::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 16px;
  width: 76px;
  height: 76px;
  border-left: 2px solid rgba(255, 255, 255, .55);
  border-top: 2px solid rgba(255, 255, 255, .55);
  z-index: 2;
}
.about-media__tag {
  position: absolute;
  right: -20px;
  bottom: -20px;
  background: var(--ink);
  color: #fff;
  padding: 20px 26px;
  text-align: center;
  min-width: 132px;
}
.about-media__tag b { display: block; font-family: Arial, Helvetica, sans-serif; font-size: 34px; line-height: 1; letter-spacing: .02em; }
.about-media__tag span { display: block; margin-top: 8px; font-size: 11px; letter-spacing: .18em; color: rgba(255, 255, 255, .55); }
.about-copy h2 { font-size: clamp(24px, 2.2vw, 32px); line-height: 1.4; color: var(--ink); font-weight: 700; }
.about-copy .eyebrow { margin-bottom: 16px; }
.about-copy p { margin-top: 18px; font-size: 14.5px; line-height: 2.1; color: #505c6b; }
.about-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 32px; border-top: 1px solid var(--line); }
.about-facts li { padding: 22px 16px 0 0; }
.about-facts b { font-family: Arial, Helvetica, sans-serif; font-size: 26px; color: var(--ink); letter-spacing: .02em; }
.about-facts b i { font-size: 12px; color: var(--red); margin-left: 2px; }
.about-facts span { display: block; margin-top: 4px; font-size: 12px; letter-spacing: .1em; color: var(--muted); }
.about-copy .link-more { margin-top: 30px; }

/* ---------- 9. 新闻 ---------- */
.news-wrap { display: grid; grid-template-columns: 1.55fr .85fr; gap: clamp(32px, 4vw, 56px); align-items: start; }
.news-tabs { display: flex; gap: 34px; border-bottom: 1px solid var(--line); margin-bottom: 28px; }
.news-tabs button {
  position: relative;
  padding: 0 0 16px;
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--muted);
}
.news-tabs button::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease);
}
.news-tabs button.is-active { color: var(--ink); font-weight: 600; }
.news-tabs button.is-active::after { transform: scaleX(1); }
.news-tabs button:hover { color: var(--ink); }
.news-panel { display: none; }
.news-panel.is-active { display: block; animation: fadeUp .5s var(--ease) both; }
.news-feature { display: grid; grid-template-columns: 280px 1fr; gap: 26px; padding-bottom: 26px; border-bottom: 1px solid var(--line); }
.news-feature .ph { aspect-ratio: 4 / 3; overflow: hidden; background: var(--paper-2); }
.news-feature .ph img { width: 100%; height: 100%; object-fit: cover; }
.news-feature h3 { font-size: 18px; line-height: 1.6; font-weight: 600; color: var(--ink); }
.news-feature h3 a:hover { color: var(--red); }
.news-feature p { margin-top: 12px; font-size: 13.5px; line-height: 1.95; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.news-feature time { display: block; margin-top: 16px; font-family: Arial, Helvetica, sans-serif; font-size: 12px; letter-spacing: .1em; color: #9aa4b1; }
.news-list { margin-top: 6px; }
.news-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14.5px;
}
.news-list li a { color: #33404f; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; position: relative; padding-left: 18px; }
.news-list li a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  margin-top: -3px;
  border: 1px solid #b8c0ca;
  transform: rotate(45deg);
}
.news-list li a:hover { color: var(--red); padding-left: 24px; }
.news-list li a:hover::before { border-color: var(--red); }
.news-list li span { flex: none; font-family: Arial, Helvetica, sans-serif; font-size: 12px; letter-spacing: .06em; color: #9aa4b1; }

.news-aside { background: var(--paper); padding: 30px 28px 12px; }
.news-aside h3 { font-size: 16px; color: var(--ink); padding-bottom: 16px; border-bottom: 1px solid #dfe3e7; letter-spacing: .04em; }
.news-aside .news-list li { font-size: 13.5px; padding: 13px 0; }
.news-aside .news-list li a { color: #46525f; }
.news-aside .btn { width: 100%; margin: 18px 0 20px; }

/* ---------- 10. 咨询条 / 行动召唤 ---------- */
.cta {
  position: relative;
  background: var(--ink);
  color: #fff;
  overflow: hidden;
}
.cta__bg { position: absolute; inset: 0; opacity: .3; }
.cta__bg img { width: 100%; height: 100%; object-fit: cover; }
.cta::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7, 11, 17, .96) 0%, rgba(7, 11, 17, .8) 52%, rgba(7, 11, 17, .95) 100%);
}
.cta__in {
  position: relative;
  z-index: 2;
  padding-top: clamp(52px, 6vw, 84px);
  padding-bottom: clamp(52px, 6vw, 84px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
}
.cta__copy h2 { font-size: clamp(24px, 2.4vw, 34px); font-weight: 700; line-height: 1.35; }
.cta__copy p { margin-top: 14px; font-size: 14px; color: rgba(255, 255, 255, .58); letter-spacing: .04em; }
.cta__action { display: flex; align-items: center; gap: 34px; flex-wrap: wrap; }
.cta__tel span { display: block; font-size: 11px; letter-spacing: .18em; color: rgba(255, 255, 255, .45); }
.cta__tel b {
  display: block;
  margin-top: 4px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: clamp(26px, 2.6vw, 36px);
  letter-spacing: .02em;
  color: #fff;
}
.cta__tel b:hover { color: var(--red-2); }

/* ---------- 11. 内页头图 ---------- */
.page-head {
  position: relative;
  background: var(--ink-2);
  color: #fff;
  overflow: hidden;
}
.page-head__bg { position: absolute; inset: 0; }
.page-head__bg img { width: 100%; height: 100%; object-fit: cover; object-position: center 42%; }
.page-head::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7, 11, 17, .96) 0%, rgba(7, 11, 17, .78) 46%, rgba(7, 11, 17, .48) 100%);
}
.page-head__in {
  position: relative;
  z-index: 2;
  padding-top: clamp(52px, 6vw, 72px);
  padding-bottom: clamp(38px, 4.4vw, 54px);
  min-height: 216px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.crumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 12.5px; color: rgba(255, 255, 255, .45); letter-spacing: .04em; }
.crumb::before { content: "当前位置"; color: rgba(255, 255, 255, .32); margin-right: 4px; }
.crumb a { color: rgba(255, 255, 255, .68); }
.crumb a:hover { color: #fff; }
.crumb i, .crumb em { font-style: normal; color: rgba(255, 255, 255, .25); }
.crumb b { font-weight: 400; }
.page-head h1 {
  margin-top: 20px;
  font-size: clamp(26px, 3.2vw, 42px);
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: .02em;
}
.page-head__sub { margin-top: 12px; font-size: 13px; letter-spacing: .14em; color: rgba(255, 255, 255, .5); text-transform: uppercase; }
.page-head__rule { width: 46px; height: 3px; background: var(--red); margin-top: 24px; }

/* ---------- 12. 内页布局 与 左侧栏 ---------- */
.inner-layout {
  display: grid;
  grid-template-columns: 258px minmax(0, 1fr);
  gap: clamp(28px, 3.4vw, 56px);
  align-items: start;
  padding-top: clamp(40px, 5vw, 68px);
  padding-bottom: clamp(56px, 6vw, 88px);
}
.side { position: sticky; top: 108px; }
.about-side .side-card { padding: 26px 24px; }
.about-banner { margin: 0 0 30px; }
.about-banner img { width: 100%; aspect-ratio: 16 / 7; object-fit: cover; display: block; }
.about-banner figcaption { margin-top: 10px; font-size: 12px; letter-spacing: .06em; color: #9aa4b0; }
.about-side__list { margin: 18px 0 0; border-top: 1px solid var(--line-soft); }
.about-side__list li { display: flex; align-items: baseline; gap: 8px; padding: 14px 0; border-bottom: 1px solid var(--line-soft); }
.about-side__list b { font-family: Arial, Helvetica, sans-serif; font-size: 24px; color: var(--ink); line-height: 1; }
.about-side__list b i { font-size: 12px; color: var(--red); margin-left: 2px; font-style: normal; vertical-align: super; }
.about-side__list span { font-size: 12.5px; letter-spacing: .08em; color: var(--muted); }
.about-side__note { margin-top: 18px; font-size: 13px; line-height: 1.95; color: #6b7784; }
.about-side .btn { margin-top: 22px; width: 100%; justify-content: center; }
.side__link { display: inline-flex; align-items: center; gap: 8px; margin-top: 16px; font-size: 12.5px; letter-spacing: .1em; color: #7a8694; }
.side__link:hover { color: var(--red); }
.side-card { border: 1px solid var(--line); background: #fff; margin-bottom: 20px; }
.side-card__head {
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}
.side-card__head h2 { font-size: 17px; font-weight: 600; color: var(--ink); letter-spacing: .04em; }
.side-card__head em { font-family: Arial, Helvetica, sans-serif; font-size: 10px; letter-spacing: .18em; color: #a9b2be; text-transform: uppercase; }
.side-nav dl { padding: 6px 0 14px; }
.side-nav dt { border-bottom: 1px solid var(--line-soft); }
.side-nav dt:last-child { border-bottom: 0; }
.side-nav dt > a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  font-size: 14.5px;
  color: #33404f;
  position: relative;
}
.side-nav dt > a::before {
  content: "";
  width: 4px;
  height: 4px;
  background: #c2c9d1;
  flex: none;
  transition: background .2s;
}
.side-nav dt > a:hover { color: var(--red); background: #fafbfc; }
.side-nav dt > a:hover::before { background: var(--red); }
.side-nav dt.is-cur > a,
.side-nav dt.cur > a,
.side-nav dt.active > a,
.side-nav dt.on > a { color: var(--red); font-weight: 600; }
.side-nav dt.is-cur > a::before,
.side-nav dt.cur > a::before,
.side-nav dt.active > a::before,
.side-nav dt.on > a::before { background: var(--red); }
.nav > ul > li.navcur > a,
.nav > ul > li.cur > a { color: var(--red); }
.nav > ul > li.navcur > a::after,
.nav > ul > li.cur > a::after { transform: scaleX(1); }
.side-nav dt > a[href^="/case"],
.side-nav dt > a[href^="/about"] { }
.side-sub dt > a {
  padding-left: 40px;
  font-size: 13px;
  color: #6b7784;
}
.side-nav dt.side-sub.is-hide { display: none; }
.side-nav dt.is-cur > a { color: var(--red); font-weight: 600; }
.side-nav dt.is-cur > a::before { background: var(--red); }
.side-sub dt > a::before { width: 3px; height: 1px; background: #c2c9d1; }
.side-contact { background: var(--ink); color: #fff; padding: 26px 24px 24px; }
.side-contact > span { display: flex; align-items: center; gap: 8px; font-size: 11px; letter-spacing: .18em; color: rgba(255, 255, 255, .45); }
.side-contact .btn span { color: #fff; font-size: 13px; letter-spacing: .1em; }
.side-contact b {
  display: block;
  margin-top: 8px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 27px;
  letter-spacing: .02em;
  color: #fff;
}
.side-contact b:hover { color: var(--red-2); }
.side-contact p { margin-top: 14px; font-size: 12.5px; line-height: 1.9; color: rgba(255, 255, 255, .55); }
.side-contact .btn { width: 100%; margin-top: 18px; height: 44px; font-size: 13px; }

.side-qr { border: 1px solid var(--line); padding: 20px 22px; text-align: center; }
.side-qr img { width: 130px; height: 130px; object-fit: contain; }
.side-qr span { display: block; margin-top: 10px; font-size: 12px; letter-spacing: .1em; color: var(--muted); }

/* ---------- 13. 列表 ---------- */
.main-col { min-width: 0; }
.list-intro { margin-bottom: 28px; font-size: 13.5px; color: var(--muted); display: flex; align-items: center; gap: 12px; }
.list-intro::before { content: ""; width: 20px; height: 1px; background: var(--red); }

.pro-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.pro-grid .p-card__ph { aspect-ratio: 1 / 1; }

.case-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.case-grid .c-card figure { aspect-ratio: 4 / 3; }

.news-rows { border-top: 1px solid var(--line); }
.news-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 132px;
  gap: 28px;
  align-items: center;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.news-row h3 { font-size: 16.5px; font-weight: 600; line-height: 1.6; color: #1d2836; }
.news-row h3 a:hover { color: var(--red); }
.news-row p { margin-top: 8px; font-size: 13px; line-height: 1.9; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-row__date {
  text-align: right;
  padding-left: 20px;
  border-left: 1px solid var(--line);
  transition: border-color .25s;
}
.news-row__date span {
  display: block;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: #9aa4b1;
}
.news-row__date em {
  display: block;
  margin-top: 10px;
  font-size: 11.5px;
  letter-spacing: .08em;
  color: #c0c7d0;
}
.news-row:hover .news-row__date { border-color: var(--red); }
.news-row:hover .news-row__date em { color: var(--red); }

/* 分页 */
.meneame, .pager { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.meneame a, .meneame span, .pager a, .pager span {
  min-width: 42px;
  height: 42px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
  color: #46525f;
  background: #fff;
}
.meneame a:hover, .pager a:hover { border-color: var(--red); color: var(--red); }
.meneame .cur, .meneame .current, .pager .cur, .pager .current { background: var(--ink); border-color: var(--ink); color: #fff; }
.meneame input, .pager input { height: 42px; border: 1px solid var(--line); width: 56px; text-align: center; }

/* ---------- 14. 详情页 ---------- */
.article { background: #fff; }
.article-head { padding-bottom: 26px; border-bottom: 1px solid var(--line); }
.article-head h1 { font-size: clamp(22px, 2.2vw, 30px); line-height: 1.5; font-weight: 700; color: var(--ink); }
.article-meta { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 22px; font-size: 12.5px; color: #9aa4b1; letter-spacing: .04em; }
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta i { width: 3px; height: 3px; background: #c6ccd4; border-radius: 50%; }
.article-body { padding: 32px 0 8px; font-size: 15px; line-height: 2.1; color: #3a4552; }
.article-body img { max-width: 100%; height: auto; display: block; margin: 20px auto; }
.article-body p { margin: 0 0 16px; }
.article-body h2, .article-body h3, .article-body h4 { margin: 26px 0 12px; color: var(--ink); line-height: 1.5; }
.article-body h2 { font-size: 20px; }
.article-body h3 { font-size: 17px; }
.article-body ul, .article-body ol { margin: 0 0 16px; padding-left: 22px; list-style: disc; }
.article-body table { width: 100%; margin: 18px 0; font-size: 14px; }
.article-body table th, .article-body table td { border: 1px solid var(--line); padding: 10px 14px; text-align: left; }
.article-body table th { background: var(--paper); font-weight: 600; }
.article-body a { color: var(--red); text-decoration: underline; text-underline-offset: 3px; }
.article-body blockquote { margin: 20px 0; padding: 16px 22px; background: var(--paper); border-left: 3px solid var(--red); color: #4b5665; }
.article-tags { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 10px; align-items: center; font-size: 12.5px; color: var(--muted); }
.article-tags span { letter-spacing: .04em; }
.article-tags a { padding: 6px 14px; border: 1px solid var(--line); color: #56626f; }
.article-tags a:hover { border-color: var(--red); color: var(--red); }

.pager-nav {
  margin-top: 34px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.pager-nav a, .pager-nav span {
  padding: 22px 0;
  font-size: 13.5px;
  color: #4b5665;
  display: flex;
  align-items: center;
  gap: 10px;
}
.pager-nav a:hover { color: var(--red); }
.pager-nav .pager-nav__prev { border-right: 1px solid var(--line); padding-right: 20px; }
.pager-nav .pager-nav__next { justify-content: flex-end; text-align: right; padding-left: 20px; }
.pager-nav small { display: block; font-size: 11px; letter-spacing: .16em; color: #a7b0bb; margin-bottom: 4px; }
.pager-nav span { color: #a7b0bb; }
.back-list { margin-top: 26px; }

/* 产品详情 */
.pro-detail { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(28px, 4vw, 56px); align-items: start; }
.pro-detail__ph { background: var(--paper); border: 1px solid var(--line); overflow: hidden; }
.pro-detail__ph img { width: 100%; height: auto; display: block; }
.pro-detail__title h1,
.pro-detail__title h2 { font-size: clamp(22px, 2.1vw, 28px); line-height: 1.48; font-weight: 700; color: var(--ink); margin-top: 16px; }
.pro-detail__lead { margin-top: 14px; font-size: 15.5px; line-height: 1.95; color: #39424f; }
.city-tags { margin-top: 26px; padding-top: 18px; border-top: 1px solid var(--line-soft); font-size: 12.5px; line-height: 2.2; color: #8d98a6; letter-spacing: .03em; }
.city-tags a { color: var(--red); margin-left: 12px; white-space: nowrap; }
.city-tags a:hover { text-decoration: underline; }
.detail-points { margin-top: 24px; border-top: 1px solid var(--line); }
.detail-points li {
  display: flex;
  gap: 6px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 13.5px;
  line-height: 1.8;
  color: #56626f;
}
.detail-points li b {
  flex: none;
  width: 46px;
  height: 22px;
  line-height: 22px;
  text-align: center;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--red);
  border: 1px solid rgba(179, 31, 41, .32);
}
.pro-detail__meta { margin-top: 18px; padding: 18px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 28px; font-size: 12.5px; color: #8d98a6; letter-spacing: .04em; }
.pro-detail__desc { margin-top: 22px; font-size: 14.5px; line-height: 2.05; color: #4b5665; }
.pro-detail__desc img { max-width: 100%; height: auto; }
.pro-detail__btns { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.pro-detail__note { margin-top: 22px; padding: 16px 20px; background: var(--paper); font-size: 12.5px; color: var(--muted); line-height: 1.9; border-left: 3px solid var(--red); }
.pro-remark { margin-top: 40px; padding-top: 30px; border-top: 1px solid var(--line); }
.pro-remark h2 { font-size: 18px; color: var(--ink); margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
.pro-remark h2::before { content: ""; width: 3px; height: 16px; background: var(--red); }
.pro-remark div { font-size: 14.5px; line-height: 2.05; color: #4b5665; }
.pro-remark img { max-width: 100%; height: auto; }
.pro-remark[hidden] { display: none; }

/* 产品详情 · 通用说明（后台未填写说明时的兜底内容） */
.pro-fallback { margin-top: 44px; padding-top: 32px; border-top: 1px solid var(--line); }
.pro-fallback__head { max-width: 760px; }
.pro-fallback__head h2 { font-size: 18px; color: var(--ink); margin: 10px 0 12px; display: flex; align-items: center; gap: 10px; }
.pro-fallback__head h2::before { content: ""; width: 3px; height: 16px; background: var(--red); }
.pro-fallback__head p { font-size: 14px; line-height: 1.95; color: #4b5665; }
.fall-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin-top: 26px; background: var(--line); border: 1px solid var(--line); }
.fall-item { background: #fff; padding: 24px 26px 26px; }
.fall-item b { display: block; font-size: 13px; letter-spacing: .04em; color: var(--red); font-weight: 600; padding-bottom: 10px; }
.fall-item p { font-size: 13.5px; line-height: 2; color: #4b5665; }
.fall-req { display: grid; grid-template-columns: 1.35fr 1fr; gap: 34px; margin-top: 26px; padding: 28px 30px; background: var(--paper); border-left: 3px solid var(--red); }
.fall-req h3 { font-size: 15px; color: var(--ink); margin-bottom: 16px; }
.fall-req ul { display: grid; gap: 11px; }
.fall-req li { font-size: 13.5px; line-height: 1.85; color: #4b5665; }
.fall-req li b { color: var(--ink); font-weight: 600; margin-right: 8px; }
.fall-req__side { align-self: center; }
.fall-req__side p { font-size: 12.5px; line-height: 1.95; color: var(--muted); }
.fall-req__side .btn { margin-top: 16px; }
.fall-req__tel { display: block; margin-top: 12px; font-size: 13px; color: var(--steel); }
.fall-req__tel:hover { color: var(--red); }

/* 案例详情 */
.case-detail__ph { background: #fff; border: 1px solid var(--line); text-align: center; padding: 12px; }
.case-detail__ph img { max-width: 100%; max-height: 620px; width: auto; height: auto; display: inline-block; }

/* 案例详情 · 交付内容 / 配置 / 问答 */
.case-more { margin-top: 44px; padding-top: 32px; border-top: 1px solid var(--line); }
.case-tiers { margin-top: 30px; }
.case-tiers h3, .case-faq h3 { font-size: 15px; color: var(--ink); margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
.case-tiers h3::before, .case-faq h3::before { content: ""; width: 3px; height: 14px; background: var(--red); }
.case-tiers ul { border-top: 1px solid var(--line); }
.case-tiers li {
  display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 18px;
  padding: 16px 0; border-bottom: 1px solid var(--line); align-items: baseline;
}
.case-tiers li b { font-size: 13.5px; color: var(--ink); font-weight: 600; }
.case-tiers li span { font-size: 13px; line-height: 1.9; color: #4b5665; }
.case-faq { margin-top: 30px; }
.case-faq dl { border: 1px solid var(--line); background: #fff; }
.case-faq dt {
  font-size: 13.5px; color: var(--ink); font-weight: 600;
  padding: 14px 20px; background: var(--paper); border-top: 1px solid var(--line);
}
.case-faq dt:first-child { border-top: 0; }
.case-faq dt::before { content: "Q "; color: var(--red); font-family: Arial, Helvetica, sans-serif; }
.case-faq dd { padding: 14px 20px 18px; font-size: 13px; line-height: 1.95; color: #4b5665; }
.case-cta {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px;
  margin-top: 30px; padding: 26px 30px; background: var(--ink); border-left: 3px solid var(--red);
}
.case-cta b { display: block; font-size: 16px; color: #fff; }
.case-cta p { margin-top: 8px; font-size: 12.5px; line-height: 1.9; color: rgba(255, 255, 255, .58); max-width: 560px; }
.case-cta__btns { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.case-cta__tel { font-size: 13px; color: rgba(255, 255, 255, .72); font-family: Arial, Helvetica, sans-serif; letter-spacing: .02em; }
.case-cta__tel:hover { color: #fff; }

/* ---------- 15. 联系我们 ---------- */
.contact-main { padding-top: clamp(44px, 5vw, 66px); padding-bottom: clamp(60px, 7vw, 96px); }
.contact-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
.contact-card { border: 1px solid var(--line); padding: 30px 28px; background: #fff; }
.contact-card em { font-family: Arial, Helvetica, sans-serif; font-size: 10px; letter-spacing: .18em; color: #a9b2be; text-transform: uppercase; }
.contact-card h3 { margin-top: 12px; font-size: 15px; font-weight: 600; color: var(--ink); letter-spacing: .06em; }
.contact-card p, .contact-card a { margin-top: 12px; font-size: 14px; line-height: 1.9; color: #4b5665; display: block; }
.contact-card b { font-family: Arial, Helvetica, sans-serif; font-size: 21px; letter-spacing: .02em; color: var(--ink); }
.contact-card a:hover { color: var(--red); }
.map-wrap { margin-top: 26px; border: 1px solid var(--line); background: var(--paper); }
#mapContainer { width: 100%; height: 480px; }

/* ---------- 16. 页脚 ---------- */
.footer { background: #080c12; color: rgba(255, 255, 255, .58); padding-top: clamp(48px, 6vw, 78px); }
.footer__top {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr 1.1fr;
  gap: clamp(28px, 4vw, 60px);
  padding-bottom: clamp(38px, 4.6vw, 56px);
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.footer__brand .logo-box { display: inline-flex; align-items: center; }
.footer__brand .logo-box img { height: 40px; width: auto; }
.footer__brand p { margin-top: 20px; font-size: 13px; line-height: 1.95; color: rgba(255, 255, 255, .45); max-width: 320px; }
.footer__brand .tel { margin-top: 22px; }
.footer__brand .tel span { display: block; font-size: 11px; letter-spacing: .16em; color: rgba(255, 255, 255, .35); }
.footer__brand .tel b { font-family: Arial, Helvetica, sans-serif; font-size: 28px; color: #fff; letter-spacing: .02em; }
.footer__brand .tel b:hover { color: var(--red-2); }
.footer__col h4 { font-size: 13px; letter-spacing: .16em; color: #fff; font-weight: 600; padding-bottom: 14px; border-bottom: 1px solid rgba(255, 255, 255, .12); }
.footer__col ul { margin-top: 14px; }
.footer__col li { padding: 6px 0; font-size: 13px; }
.footer__col a { color: rgba(255, 255, 255, .55); }
.footer__col a:hover { color: #fff; }
.footer__contact li { display: flex; gap: 12px; padding: 7px 0; font-size: 13px; line-height: 1.8; }
.footer__contact li span { flex: none; color: rgba(255, 255, 255, .32); width: 42px; }
.footer__contact li p { color: rgba(255, 255, 255, .6); }
.footer__qr { margin-top: 18px; display: flex; align-items: center; gap: 12px; }
.footer__qr img { width: 84px; height: 84px; background: #fff; padding: 4px; }
.footer__qr span { font-size: 11.5px; line-height: 1.7; color: rgba(255, 255, 255, .4); }
.footer__bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding: 22px 0 26px; font-size: 12.5px; color: rgba(255, 255, 255, .35); }
.footer__bottom .links { display: flex; gap: 18px; flex-wrap: wrap; }
.footer__bottom a:hover { color: #fff; }

/* 右侧悬浮服务 */
.dock {
  position: fixed;
  right: 18px;
  bottom: 96px;
  z-index: 60;
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.dock a, .dock button {
  position: relative;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 15, 22, .9);
  color: #fff;
  font-size: 11px;
  line-height: 1.2;
  text-align: center;
  letter-spacing: .04em;
  transition: background .25s;
}
.dock a:first-child { background: var(--red); }
.dock a:hover, .dock button:hover { background: var(--red); color: #fff; }
.dock .dock__icon { display: flex; align-items: center; justify-content: center; color: #fff; opacity: .92; }
.dock a:hover .dock__icon { opacity: 1; }
.dock__pop--text span { display: block; padding: 6px 10px; font-size: 12px; line-height: 1.7; color: #4b5665; white-space: nowrap; }
.dock__pop {
  position: absolute;
  right: 58px;
  top: 50%;
  transform: translateY(-50%) scale(.96);
  background: #fff;
  padding: 10px;
  box-shadow: 0 18px 40px rgba(10, 15, 22, .2);
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s, transform .25s, visibility .25s;
}
.dock__pop img { width: 128px; height: 128px; }
.dock__pop span { display: block; text-align: center; font-size: 11px; color: #66717e; padding-top: 6px; }
.dock a:hover .dock__pop { opacity: 1; visibility: visible; transform: translateY(-50%) scale(1); }
.dock__top { display: none; }
.dock__top.is-show { display: flex; }

/* ---------- 17. 动效 ---------- */
html.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
html.js .reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { html.js .reveal { opacity: 1; transform: none; transition: none; } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* ---------- 18. 响应式 ---------- */
@media (max-width: 1240px) {
  .header__in { gap: 28px; }
  .nav > ul > li > a { padding: 0 14px; font-size: 15px; }
  .nav > ul > li > a::after { left: 14px; right: 14px; }
  .header__tel { display: none; }
  .mega__in { grid-template-columns: 240px 1fr; gap: 40px; }
  .cat-strip { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .cat-strip a:nth-child(5n) { border-right: 0; }
  .cat-strip a:nth-child(n+6) { border-top: 1px solid #e4e7eb; }
}

@media (max-width: 1080px) {
  .p-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .c-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .adv-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .adv-item:nth-child(2n) { border-right: 0; }
  .adv-item:nth-child(n+3) { border-top: 1px solid rgba(255, 255, 255, .1); }
  .inner-layout { grid-template-columns: 226px minmax(0, 1fr); }
  .news-wrap { grid-template-columns: 1fr; }
  .about-split { grid-template-columns: 1fr; }
  .about-media { max-width: 640px; }
  .pro-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .case-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .contact-grid { grid-template-columns: 1fr 1fr; }
}

/* 平板 / 手机 */
@media (max-width: 920px) {
  :root { --pad: 20px; }
  .topbar { display: none; }
  .header__in { height: 68px; }
  .logo img { height: 38px; }
  .nav { display: none; }
  .header__cta { display: none; }
  .nav-toggle { display: block; }
  .hero__in { min-height: 520px; }
  .hero__copy h1 { font-size: clamp(28px, 7vw, 40px); }
  .hero__copy p { font-size: 14px; }
  .hero__metrics { grid-template-columns: 1fr 1fr; }
  .hero__metrics li { padding: 18px 14px 0 0; border-right: 0; border-bottom: 1px solid rgba(255, 255, 255, .1); }
  .hero__metrics li:nth-child(2n) { border-right: 0; padding-right: 0; }
  .hero__metrics li:nth-child(n+3) { border-bottom: 0; }
  .hero__side { display: none; }
  .hero__scroll { display: none; }
  .flow { grid-template-columns: 1fr 1fr 1fr; gap: 30px 18px; }
  .flow::before { display: none; }
  .flow li i { width: 54px; height: 54px; }
  .sec-head { flex-direction: column; align-items: flex-start; gap: 18px; }
  .news-feature { grid-template-columns: 1fr; }
  .news-feature .ph { max-width: 100%; }
  .news-row { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .news-row__date { text-align: left; padding-left: 0; border-left: 0; display: flex; align-items: center; gap: 12px; }
  .news-row__date em { margin-top: 0; }
  .inner-layout { grid-template-columns: 1fr; }
  .side { display: none; }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
  .dock { right: 10px; bottom: 74px; }
  .dock { flex-direction: column; }
  .dock a, .dock button { width: 42px; height: 42px; }
  .page-head__in { min-height: 176px; }
  .pro-detail { grid-template-columns: 1fr; }
  .fall-grid { grid-template-columns: 1fr; }
  .fall-req { grid-template-columns: 1fr; gap: 22px; padding: 24px 22px; }
  .fall-item { padding: 20px 20px 22px; }
  .case-tiers li { grid-template-columns: 1fr; gap: 6px; }
  .case-cta { padding: 22px; }
  .about-media__tag { right: -6px; bottom: -14px; padding: 14px 18px; min-width: 110px; }
  .about-media__tag b { font-size: 26px; }
  #mapContainer { height: 360px; }
}

@media (max-width: 640px) {
  body { font-size: 14px; }
  .p-grid, .c-grid, .pro-grid, .case-grid, .contact-grid { grid-template-columns: 1fr; }
  .cat-strip {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-top: 0;
    counter-reset: strip;
  }
  .cat-strip a { border-right: 0; border-bottom: 1px solid var(--line); padding: 14px 0; min-width: 0; font-size: 13px; white-space: normal; }
  .cat-strip a:nth-child(2n) { padding-left: 16px; border-left: 1px solid var(--line); }
  .flow { grid-template-columns: 1fr 1fr; }
  .hero__actions .btn { flex: 1 1 100%; }
  .cta__in { flex-direction: column; align-items: flex-start; gap: 28px; }
  .footer__top { grid-template-columns: 1fr; gap: 34px; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .about-media { max-width: 100%; }
  .about-facts { grid-template-columns: 1fr 1fr; gap: 14px 0; }
  .pager-nav { grid-template-columns: 1fr; }
  .pager-nav .pager-nav__prev { border-right: 0; border-bottom: 1px solid var(--line); padding-right: 0; }
  .pager-nav .pager-nav__next { justify-content: flex-start; text-align: left; padding-left: 0; }
  .pager-nav a span, .pager-nav span span { white-space: normal; word-break: break-word; }
  .article-body { font-size: 14.5px; }
}

/* 移动端侧栏切换（仅在窄屏出现） */
.side-mobile-head { display: none; }
.side-mobile-head button {
  width: 100%;
  height: 52px;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  font-size: 14px;
  color: var(--ink);
  background: #fff;
  margin-bottom: 16px;
}
.side-mobile-head button span { font-size: 12px; color: var(--muted); }

/* 打印 */
@media print {
  .site-header, .topbar, .dock, .footer, .side, .cta { display: none !important; }
  body { color: #000; }
}