@charset "UTF-8";
/* ==========================================================================
   湖北丰翔农牧科技有限公司 · 不锈钢料塔 / 定制成品粮仓 / 料线厂家
   全站响应式样式表
   ========================================================================== */

/* ---------- 1. 设计变量 ---------- */
:root {
  --brand: #e8471c;
  --brand-d: #c43712;
  --brand-l: #ff6a3d;
  --brand-soft: #fff3ee;
  --brand-soft-2: #ffe3d8;

  --ink: #0f151c;
  --ink-2: #1c2632;
  --ink-3: #33414f;
  --muted: #66727f;
  --muted-2: #8b98a6;

  --line: #e4e9ef;
  --line-2: #d3dae2;

  --bg: #ffffff;
  --bg-alt: #f5f7f9;
  --bg-alt-2: #eef2f6;
  --steel: #e9edf1;

  --radius: 4px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 2px rgba(15, 21, 28, .06), 0 2px 8px rgba(15, 21, 28, .05);
  --shadow: 0 4px 14px rgba(15, 21, 28, .08), 0 12px 32px rgba(15, 21, 28, .06);
  --shadow-lg: 0 18px 48px rgba(15, 21, 28, .14);

  --container: 1240px;
  --gap: 24px;
  --header-h: 72px;

  --ff: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Hiragino Sans GB",
        "Source Han Sans SC", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont,
        "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* ---------- 2. 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  margin: 0;
  font-family: var(--ff);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-3);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, picture, svg, video { max-width: 100%; display: block; height: auto; }

a { color: var(--brand); text-decoration: none; transition: color .2s; }
a:hover { color: var(--brand-d); }

h1, h2, h3, h4, h5 {
  margin: 0 0 .6em;
  color: var(--ink);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -.01em;
}
h1 { font-size: clamp(26px, 4.4vw, 44px); }
h2 { font-size: clamp(22px, 3.1vw, 34px); }
h3 { font-size: clamp(18px, 2.1vw, 22px); }
h4 { font-size: 17px; }

p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.3em; }
li { margin-bottom: .4em; }

:focus-visible {
  outline: 3px solid var(--brand);
  outline-offset: 2px;
  border-radius: 2px;
}

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--brand); color: #fff; padding: 12px 20px; font-weight: 600;
}
.skip-link:focus { left: 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;
}

/* ---------- 3. 布局工具 ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.container-narrow { max-width: 880px; }

.section { padding: clamp(48px, 6vw, 84px) 0; }
.section--alt { background: var(--bg-alt); }
.section--tight { padding: clamp(36px, 4vw, 56px) 0; }
.section--dark { background: var(--ink); color: rgba(255, 255, 255, .74); }
.section--dark h2, .section--dark h3, .section--dark h4 { color: #fff; }

.section-head { max-width: 780px; margin: 0 auto clamp(28px, 4vw, 48px); text-align: center; }
.section-head--left { margin-left: 0; text-align: left; }
.section-head p { color: var(--muted); margin: 0; font-size: 16px; }

.eyebrow {
  display: inline-block;
  font-size: 13px; font-weight: 700; letter-spacing: .16em;
  text-transform: uppercase; color: var(--brand);
  margin-bottom: 12px; position: relative; padding-left: 30px;
}
.eyebrow::before {
  content: ""; position: absolute; left: 0; top: 50%;
  width: 20px; height: 2px; background: var(--brand); transform: translateY(-50%);
}
.section-head:not(.section-head--left) .eyebrow { padding-left: 0; }
.section-head:not(.section-head--left) .eyebrow::before { display: none; }
.section--dark .eyebrow { color: var(--brand-l); }

.lead { font-size: 17px; color: var(--muted); }

.grid { display: grid; gap: var(--gap); }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }

@media (min-width: 600px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 992px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ---------- 4. 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 28px; border-radius: var(--radius);
  font-size: 15px; font-weight: 600; line-height: 1.2;
  border: 2px solid transparent; cursor: pointer;
  transition: background .2s, color .2s, border-color .2s, transform .2s, box-shadow .2s;
  text-align: center; white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn--primary { background: var(--brand); color: #fff; box-shadow: 0 6px 18px rgba(232, 71, 28, .3); }
.btn--primary:hover { background: var(--brand-d); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(232, 71, 28, .36); }
.btn--ghost { border-color: var(--line-2); color: var(--ink-2); background: #fff; }
.btn--ghost:hover { border-color: var(--brand); color: var(--brand); background: #fff; }
.btn--light { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .38); color: #fff; backdrop-filter: blur(6px); }
.btn--light:hover { background: #fff; color: var(--ink); border-color: #fff; }
.btn--lg { padding: 16px 36px; font-size: 16px; }
.btn--block { width: 100%; }

/* ---------- 5. 顶部信息条 ---------- */
.topbar {
  background: var(--ink); color: rgba(255, 255, 255, .76);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  font-size: 13px; line-height: 1.4;
}
.topbar .container {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; min-height: 38px; padding-top: 4px; padding-bottom: 4px;
}
.topbar__list { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; margin: 0; padding: 0; list-style: none; }
.topbar__list li { margin: 0; display: flex; align-items: center; gap: 6px; }
.topbar__list svg { width: 14px; height: 14px; color: var(--brand-l); flex: none; }
.topbar a { color: rgba(255, 255, 255, .82); }
.topbar a:hover { color: #fff; }
.topbar__tag { color: var(--brand-l); font-weight: 600; }
@media (max-width: 768px) {
  .topbar { font-size: 12px; }
  .topbar .container { min-height: 30px; gap: 8px; justify-content: space-between; }
  .topbar__list { gap: 12px; }
  .topbar__list li.topbar__hide-sm { display: none !important; }
}
@media (max-width: 520px) {
  .topbar { padding: 4px 0; }
  .topbar .container { justify-content: center; min-height: 26px; }
  .topbar .topbar__list:last-child { display: none !important; }
}

/* ---------- 6. 页头导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .97);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .25s;
}
.site-header.is-stuck { box-shadow: 0 4px 20px rgba(15, 21, 28, .08); }
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-h); gap: 20px;
}

.brand { display: flex; align-items: center; gap: 10px; flex: none; }
.brand img {
  height: 46px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  display: block;
}
.brand__text { display: flex; flex-direction: column; line-height: 1.25; }
.brand__name { font-size: 17px; font-weight: 700; color: var(--ink); letter-spacing: .02em; white-space: nowrap; }
.brand__sub { font-size: 11px; color: var(--muted-2); letter-spacing: .08em; white-space: nowrap; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  display: block; padding: 8px 14px; border-radius: var(--radius);
  color: var(--ink-2); font-size: 15px; font-weight: 500; position: relative;
}
.nav a::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px;
  height: 2px; background: var(--brand); transform: scaleX(0); transition: transform .22s;
}
.nav a:hover { color: var(--brand); }
.nav a:hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }
.nav a[aria-current="page"] { color: var(--brand); font-weight: 600; }

.header-cta { display: flex; align-items: center; gap: 14px; flex: none; }
.header-tel { display: flex; flex-direction: column; line-height: 1.2; text-align: right; }
.header-tel span { font-size: 11px; color: var(--muted-2); }
.header-tel strong { font-size: 18px; color: var(--brand); letter-spacing: .01em; font-variant-numeric: tabular-nums; }
@media (max-width: 1120px) { .header-tel { display: none; } }

.nav-toggle {
  display: none; width: 42px; height: 42px; border: 1px solid var(--line-2);
  background: #fff; border-radius: var(--radius); cursor: pointer;
  align-items: center; justify-content: center; flex: none;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block; width: 20px; height: 2px; background: var(--ink-2); content: "";
  transition: transform .25s, opacity .2s;
}
.nav-toggle span::before { transform: translateY(-6px); }
.nav-toggle span::after { transform: translateY(4px); }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: rotate(-45deg) translateY(-2px); }

@media (max-width: 940px) {
  :root { --header-h: 62px; }
  .site-header { position: sticky; }
  .nav-toggle { display: flex; }
  .nav {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 2px solid var(--brand);
    padding: 8px 20px 20px; max-height: calc(100vh - var(--header-h));
    overflow-y: auto; transform: translateY(-8px);
    opacity: 0; visibility: hidden; transition: opacity .22s, transform .22s, visibility .22s;
    box-shadow: 0 12px 32px rgba(15, 21, 28, .15);
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
  .nav a { padding: 13px 8px; border-bottom: 1px solid var(--line); border-radius: 0; font-size: 16px; }
  .nav a:last-child { border-bottom: none; }
  .nav a::after { display: none; }
  .header-cta .btn { padding: 9px 16px; font-size: 13.5px; }
}

@media (max-width: 768px) {
  .brand img { height: 38px; }
  .brand__name { font-size: 15px; }
  .brand__sub { font-size: 10.5px; }
}

@media (max-width: 480px) {
  :root { --header-h: 56px; }
  .brand img { height: 34px; }
  .brand__name { font-size: 15px; }
  .brand__sub { display: none; }
  .header-cta .btn { display: none; }
}

/* ---------- 7. 首页 Hero ---------- */
.hero { position: relative; overflow: hidden; background: var(--ink); color: #fff; }
.hero__media { position: absolute; inset: 0; z-index: 0; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; }
.hero__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(9, 14, 20, .93) 0%, rgba(9, 14, 20, .78) 42%, rgba(9, 14, 20, .42) 72%, rgba(9, 14, 20, .3) 100%);
}
@media (max-width: 768px) {
  .hero__media::after { background: linear-gradient(180deg, rgba(9, 14, 20, .88) 0%, rgba(9, 14, 20, .78) 60%, rgba(9, 14, 20, .9) 100%); }
}
.hero__inner {
  position: relative; z-index: 1;
  padding: clamp(48px, 8vw, 112px) 0 clamp(44px, 6vw, 84px);
  max-width: 760px;
}
.hero h1 { color: #fff; margin-bottom: 18px; text-shadow: 0 2px 20px rgba(0, 0, 0, .35); }
.hero h1 em { font-style: normal; color: var(--brand-l); }
.hero__lead { font-size: clamp(14.5px, 1.5vw, 17px); color: rgba(255, 255, 255, .84); max-width: 660px; margin-bottom: 24px; }
.hero__tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 28px; padding: 0; list-style: none; }
.hero__tags li {
  margin: 0; padding: 6px 13px; font-size: 13px;
  background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 999px; color: rgba(255, 255, 255, .92); backdrop-filter: blur(4px);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__scroll {
  position: absolute; left: 50%; bottom: 20px; z-index: 2; transform: translateX(-50%);
  color: rgba(255, 255, 255, .55); font-size: 12px; letter-spacing: .2em;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  pointer-events: none;
}
.hero__scroll::after {
  content: ""; width: 1px; height: 26px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .6), transparent);
  animation: scrollHint 1.8s ease-in-out infinite;
}
@keyframes scrollHint { 0%, 100% { opacity: .25; } 50% { opacity: .9; } }
@media (max-width: 1200px) { .hero__scroll { display: none; } }
@media (max-height: 820px) { .hero__scroll { display: none; } }

/* 内页头图 */
.page-hero {
  position: relative; background: var(--ink); color: #fff;
  padding: clamp(36px, 5vw, 68px) 0 clamp(32px, 4vw, 54px);
  overflow: hidden;
}
.page-hero__media { position: absolute; inset: 0; z-index: 0; }
.page-hero__media img { width: 100%; height: 100%; object-fit: cover; opacity: .34; }
.page-hero__inner { position: relative; z-index: 1; }
.page-hero h1 { color: #fff; margin-bottom: 10px; font-size: clamp(24px, 3.8vw, 38px); }
.page-hero p { color: rgba(255, 255, 255, .8); max-width: 720px; margin: 0; font-size: clamp(14px, 1.4vw, 16px); line-height: 1.65; }

/* ---------- 8. 面包屑 ---------- */
.breadcrumb { background: var(--bg-alt); border-bottom: 1px solid var(--line); font-size: 13.5px; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 12px 0; list-style: none; }
.breadcrumb li { margin: 0; display: flex; align-items: center; gap: 8px; color: var(--muted); }
.breadcrumb li + li::before { content: "/"; color: var(--line-2); }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb [aria-current="page"] { color: var(--ink-2); font-weight: 600; max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------- 9. 数据条 ---------- */
.stats { background: var(--ink-2); color: #fff; border-bottom: 1px solid rgba(255, 255, 255, .06); }
.stats .grid { gap: 0; }
.stats__item {
  padding: 28px 16px; text-align: center;
  border-right: 1px solid rgba(255, 255, 255, .09);
  border-bottom: 1px solid rgba(255, 255, 255, .09);
}
.stats__num { font-size: clamp(24px, 2.8vw, 36px); font-weight: 800; color: #fff; line-height: 1.15; font-variant-numeric: tabular-nums; }
.stats__num small { font-size: .55em; font-weight: 600; color: var(--brand-l); margin-left: 3px; }
.stats__label { font-size: 13.5px; color: rgba(255, 255, 255, .68); margin-top: 6px; }

@media (min-width: 992px) {
  .stats__item { padding: 32px 20px; border-bottom: none; }
  .stats__item:last-child { border-right: none; }
}
@media (max-width: 991px) and (min-width: 600px) {
  .stats__item:nth-child(2n) { border-right: none; }
  .stats__item:nth-child(3), .stats__item:nth-child(4) { border-bottom: none; }
}
@media (max-width: 599px) {
  .stats__item { padding: 18px 10px; }
  .stats__item:nth-child(2n) { border-right: none; }
  .stats__item:nth-child(3), .stats__item:nth-child(4) { border-bottom: none; }
  .stats__num { font-size: 22px; }
  .stats__label { font-size: 12px; margin-top: 4px; }
}

/* ---------- 10. 产品卡 ---------- */
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .28s, box-shadow .28s, border-color .28s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--line-2); }
.card__media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--steel); }
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.card:hover .card__media img { transform: scale(1.06); }
.card__badge {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  background: var(--brand); color: #fff; font-size: 12px; font-weight: 600;
  padding: 4px 10px; border-radius: 3px; letter-spacing: .04em;
}
.card__body { padding: 20px 20px 22px; display: flex; flex-direction: column; flex: 1; }
.card__body h3 { font-size: 18px; margin-bottom: 8px; }
.card__body p { font-size: 14.5px; color: var(--muted); margin-bottom: 14px; flex: 1; }
.card__spec { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 16px; padding: 0; list-style: none; }
.card__spec li {
  margin: 0; font-size: 12.5px; color: var(--ink-3);
  background: var(--bg-alt); border: 1px solid var(--line);
  padding: 3px 9px; border-radius: 3px;
}
.card__link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14.5px; font-weight: 600; color: var(--brand); margin-top: auto;
}
.card__link svg { width: 15px; height: 15px; transition: transform .22s; }
.card:hover .card__link svg { transform: translateX(4px); }

/* ---------- 11. 优势 / 特性 ---------- */
.feature {
  padding: 26px 24px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); border-top: 3px solid var(--brand);
  transition: box-shadow .28s, transform .28s;
}
.feature:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.feature__icon {
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--brand-soft); color: var(--brand);
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.feature__icon svg { width: 24px; height: 24px; }
.feature h3 { font-size: 17px; margin-bottom: 8px; }
.feature p { font-size: 14.5px; color: var(--muted); margin: 0; }

/* ---------- 12. 图文分栏 ---------- */
.split { display: grid; grid-template-columns: 1fr; gap: clamp(28px, 4vw, 56px); align-items: center; }
@media (min-width: 900px) { .split { grid-template-columns: 1fr 1fr; } .split--wide-left { grid-template-columns: 1.15fr .85fr; } }
.split__media { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.split__media img { width: 100%; }
.split__text .eyebrow { padding-left: 30px; }

.check-list { list-style: none; padding: 0; margin: 0 0 24px; }
.check-list li { position: relative; padding-left: 30px; margin-bottom: 11px; font-size: 15px; }
.check-list li::before {
  content: ""; position: absolute; left: 0; top: .55em;
  width: 16px; height: 8px; border-left: 2px solid var(--brand);
  border-bottom: 2px solid var(--brand); transform: rotate(-45deg) scale(.85);
}

/* ---------- 13. 画廊 / 案例 ---------- */
.gallery { display: grid; gap: 12px; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 640px) { .gallery { grid-template-columns: repeat(3, 1fr); gap: 16px; } }
@media (min-width: 1040px) { .gallery { grid-template-columns: repeat(4, 1fr); } }
.gallery__item {
  position: relative; aspect-ratio: 4 / 3; overflow: hidden;
  border-radius: var(--radius); cursor: zoom-in; background: var(--steel);
  border: 1px solid var(--line); padding: 0;
}
.gallery__item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.gallery__item:hover img { transform: scale(1.07); }
.gallery__item figcaption {
  position: absolute; inset: auto 0 0 0; z-index: 2;
  background: linear-gradient(0deg, rgba(9, 14, 20, .88), rgba(9, 14, 20, 0));
  color: #fff; font-size: 13px; padding: 26px 12px 10px; text-align: left;
  opacity: 0; transform: translateY(6px); transition: opacity .28s, transform .28s;
}
.gallery__item:hover figcaption, .gallery__item:focus-visible figcaption { opacity: 1; transform: translateY(0); }
@media (hover: none) { .gallery__item figcaption { opacity: 1; transform: none; } }

.gallery--wide { display: grid; gap: 12px; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 640px) { .gallery--wide { grid-template-columns: repeat(2, 1fr); gap: 16px; } }
@media (min-width: 1040px) { .gallery--wide { grid-template-columns: repeat(3, 1fr); } }
.gallery--wide .gallery__item { aspect-ratio: 16 / 11; }

@media (max-width: 480px) {
  .gallery, .gallery--wide { gap: 8px; }
  .gallery__item figcaption { font-size: 11px; padding: 16px 8px 6px; }
}

.tabs { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 32px; }
.tab {
  padding: 9px 20px; border: 1px solid var(--line-2); background: #fff;
  border-radius: 999px; font-size: 14.5px; color: var(--ink-3); cursor: pointer;
  font-family: inherit; transition: all .2s;
}
.tab:hover { border-color: var(--brand); color: var(--brand); }
.tab[aria-selected="true"] { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 600; }

/* ---------- 14. 灯箱 ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 300; display: none;
  background: rgba(9, 14, 20, .94); align-items: center; justify-content: center;
  padding: 24px; backdrop-filter: blur(4px);
}
.lightbox.is-open { display: flex; }
.lightbox img { max-width: min(1200px, 92vw); max-height: 82vh; width: auto; border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.lightbox__cap { color: rgba(255, 255, 255, .8); text-align: center; font-size: 14px; margin-top: 14px; }
.lightbox__close, .lightbox__nav {
  position: absolute; background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .3);
  color: #fff; width: 46px; height: 46px; border-radius: 50%; cursor: pointer;
  display: flex; align-items: center; justify-content: center; font-size: 20px; transition: background .2s;
}
.lightbox__close:hover, .lightbox__nav:hover { background: rgba(255, 255, 255, .26); }
.lightbox__close { top: 20px; right: 20px; }
.lightbox__nav--prev { left: 16px; top: 50%; transform: translateY(-50%); }
.lightbox__nav--next { right: 16px; top: 50%; transform: translateY(-50%); }
.lightbox__figure { display: flex; flex-direction: column; align-items: center; margin: 0; }
@media (max-width: 640px) { .lightbox__nav { width: 40px; height: 40px; } .lightbox__nav--prev { left: 4px; } .lightbox__nav--next { right: 4px; } }

/* ---------- 15. 服务流程 ---------- */
.steps { display: grid; gap: 16px; grid-template-columns: 1fr; counter-reset: step; }
@media (min-width: 600px) { .steps { grid-template-columns: repeat(2, 1fr); gap: 20px; } }
@media (min-width: 960px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.step {
  position: relative;
  padding: 22px 18px 18px 58px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  position: absolute; left: 16px; top: 20px;
  font-size: 20px; font-weight: 800; color: var(--brand); line-height: 1;
  font-variant-numeric: tabular-nums;
}
.step h3 { font-size: 16px; margin-bottom: 6px; }
.step p { font-size: 14px; color: var(--muted); margin: 0; line-height: 1.6; }

/* ---------- 16. FAQ（GEO 关键内容） ---------- */
.faq { max-width: 900px; margin: 0 auto; }
.faq__item { border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; margin-bottom: 12px; overflow: hidden; }
.faq__item[open] { border-color: var(--brand-soft-2); box-shadow: var(--shadow-sm); }
.faq__q {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 16px;
  padding: 16px 20px; margin: 0; cursor: pointer; list-style: none;
  font-size: 15.5px; font-weight: 600; color: var(--ink); line-height: 1.55;
}
.faq__q::-webkit-details-marker { display: none; }
.faq__q::after {
  content: ""; flex: none; width: 10px; height: 10px; margin-top: 6px;
  border-right: 2px solid var(--brand); border-bottom: 2px solid var(--brand);
  transform: rotate(45deg); transition: transform .25s;
}
.faq__item[open] .faq__q::after { transform: rotate(-135deg); }
.faq__a { padding: 0 20px 18px; font-size: 14.5px; color: var(--ink-3); line-height: 1.7; }
.faq__a p:last-child, .faq__a ul:last-child { margin-bottom: 0; }
.faq__a table { margin-top: 8px; }

/* ---------- 17. 表格 ---------- */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
}
table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 440px; background: #fff; }
.table-kv { min-width: 0 !important; width: 100%; table-layout: fixed; }
.table-kv th { width: 115px; font-weight: 600; white-space: nowrap; border-right: 1px solid var(--line); background: var(--bg-alt); }
.table-kv td { word-break: break-word; }
caption { caption-side: bottom; padding: 10px 14px; font-size: 12.5px; color: var(--muted); text-align: left; }
th, td { padding: 11px 12px; text-align: left; border-bottom: 1px solid var(--line); }
thead th { background: var(--ink-2); color: #fff; font-weight: 600; white-space: nowrap; font-size: 13.5px; }
tbody tr:nth-child(even) { background: var(--bg-alt); }
tbody tr:last-child td { border-bottom: 0; }
td strong { color: var(--ink); }
@media (max-width: 480px) {
  table { font-size: 13px; }
  th, td { padding: 9px 10px; }
  .table-kv th { width: 92px; font-size: 12.5px; padding: 9px 6px; }
  .table-kv td { font-size: 12.5px; padding: 9px 8px; }
}

/* ---------- 18. 询价 CTA 条 ---------- */
.cta-band {
  position: relative; background: linear-gradient(115deg, var(--ink) 0%, var(--ink-2) 55%, #33211a 100%);
  color: #fff; padding: clamp(44px, 5.5vw, 72px) 0; overflow: hidden;
}
.cta-band::before {
  content: ""; position: absolute; right: -80px; top: -80px;
  width: 320px; height: 320px; border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 71, 28, .35), transparent 68%);
}
.cta-band__inner {
  position: relative; display: flex; flex-wrap: wrap; gap: 28px;
  align-items: center; justify-content: space-between;
}
.cta-band h2 { color: #fff; margin-bottom: 8px; }
.cta-band p { color: rgba(255, 255, 255, .72); margin: 0; max-width: 640px; }
.cta-band__actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- 19. 联系页 ---------- */
.contact-grid {
  display: grid;
  gap: 28px;
  grid-template-columns: 1fr;
  align-items: start;
}
@media (min-width: 860px) {
  .contact-grid {
    grid-template-columns: 1fr 1.1fr;
    gap: 32px;
  }
}

.contact-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 3vw, 32px);
  box-shadow: var(--shadow-sm);
}

.info-list { list-style: none; padding: 0; margin: 0; }
.info-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--line-2);
}
.info-list li:last-child { border-bottom: 0; }
.info-list__icon {
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--brand-soft);
  color: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
}
.info-list__icon svg { width: 20px; height: 20px; }
.info-list__content {
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex: 1;
  min-width: 0;
}
.info-list__label {
  font-size: 13px;
  color: var(--muted-2);
  line-height: 1.3;
}
.info-list__value {
  font-size: 16px;
  color: var(--ink);
  font-weight: 600;
  line-height: 1.4;
  word-break: break-word;
}
.info-list__value a { color: var(--brand); }
.info-list__value a:hover { color: var(--brand-d); text-decoration: underline; }

.contact-qr-card {
  margin-top: 20px;
  padding: 14px 16px;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 16px;
}
.contact-qr-card img {
  width: 96px;
  height: 96px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 4px;
  flex: none;
}
.contact-qr-card__text {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.55;
}
.contact-qr-card__text strong {
  display: block;
  font-size: 15px;
  color: var(--ink);
  margin-bottom: 3px;
}

.form {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 3vw, 34px);
  box-shadow: var(--shadow-sm);
}
.form__row { display: grid; gap: 16px; grid-template-columns: 1fr; margin-bottom: 16px; }
@media (min-width: 640px) { .form__row--2 { grid-template-columns: 1fr 1fr; } }
.field label { display: block; font-size: 13.5px; font-weight: 600; color: var(--ink-2); margin-bottom: 6px; }
.field label .req { color: var(--brand); margin-left: 2px; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 12px 14px;
  font-size: 16px; /* 防止移动端聚焦缩放 */
  font-family: inherit;
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  transition: border-color .2s, box-shadow .2s;
  box-sizing: border-box;
}
.field textarea { resize: vertical; min-height: 100px; line-height: 1.6; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(232, 71, 28, .14);
}
.form__note { font-size: 13px; color: var(--muted-2); margin: 14px 0 0; line-height: 1.6; }
.form__msg { display: none; margin-top: 14px; padding: 12px 16px; border-radius: var(--radius); font-size: 14.5px; }
.form__msg.is-ok { display: block; background: var(--brand-soft); border: 1px solid var(--brand-soft-2); color: var(--brand-d); }

.map-embed {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-alt);
  min-height: 280px;
  margin-top: 24px;
}
.map-embed iframe { width: 100%; height: 100%; min-height: 280px; border: 0; display: block; }

/* ---------- 20. 页脚 ---------- */
.site-footer { background: #0a0f14; color: rgba(255, 255, 255, .58); font-size: 14.5px; padding-top: clamp(44px, 5vw, 68px); }
.footer-grid { display: grid; gap: 32px; grid-template-columns: 1fr; padding-bottom: 40px; }
@media (min-width: 700px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1.2fr; } }
.site-footer h3 { color: #fff; font-size: 16px; margin-bottom: 18px; position: relative; padding-bottom: 12px; }
.site-footer h3::after { content: ""; position: absolute; left: 0; bottom: 0; width: 28px; height: 2px; background: var(--brand); }
.site-footer a { color: rgba(255, 255, 255, .68); }
.site-footer a:hover { color: var(--brand-l); }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 10px; }
.footer-brand img {
  height: 48px;
  width: auto;
  max-width: 150px;
  object-fit: contain;
  margin-bottom: 16px;
  filter: brightness(1.05);
  background: #fff;
  padding: 6px 10px;
  border-radius: var(--radius);
}
.footer-brand p { margin: 0; font-size: 14px; line-height: 1.8; }
.footer-keywords { font-size: 13px; color: rgba(255, 255, 255, .38); line-height: 1.9; }
.footer-keywords a { color: rgba(255, 255, 255, .48); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1); padding: 20px 0 26px;
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between;
  font-size: 13px; color: rgba(255, 255, 255, .42);
}
.footer-bottom p { margin: 0; }
.footer-bottom a { color: rgba(255, 255, 255, .55); }

/* ---------- 21. 浮动操作 ---------- */
.float-cta {
  position: fixed; right: 18px; bottom: 22px; z-index: 90;
  display: flex; flex-direction: column; gap: 10px;
}
.float-cta a {
  width: 50px; height: 50px; border-radius: 50%; display: flex;
  align-items: center; justify-content: center; color: #fff;
  box-shadow: 0 6px 20px rgba(9, 14, 20, .28); transition: transform .22s, box-shadow .22s;
}
.float-cta a:hover { transform: translateY(-3px) scale(1.05); color: #fff; }
.float-cta a svg { width: 24px; height: 24px; }
.float-cta__tel { background: var(--brand); }
.float-cta__wx { background: #22a35a; }
.float-cta__top { background: var(--ink-2); opacity: 0; visibility: hidden; transition: opacity .25s, visibility .25s, transform .22s; }
.float-cta__top.is-show { opacity: 1; visibility: visible; }

@media (max-width: 640px) {
  .float-cta { right: 10px; bottom: 16px; gap: 8px; }
  .float-cta a { width: 40px; height: 40px; box-shadow: 0 4px 14px rgba(9, 14, 20, .22); }
  .float-cta a svg { width: 19px; height: 19px; }
  body { padding-bottom: 20px; }
}

/* 微信二维码弹层 */
.qr-pop {
  position: fixed; right: 18px; bottom: 84px; z-index: 91;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 16px; box-shadow: var(--shadow-lg); text-align: center;
  display: none; width: 200px;
}
.qr-pop.is-open { display: block; }
.qr-pop img { width: 160px; height: 160px; object-fit: contain; margin: 0 auto 8px; }
.qr-pop p { margin: 0; font-size: 13px; color: var(--muted); line-height: 1.5; }
@media (max-width: 640px) {
  .qr-pop {
    right: 50% !important;
    bottom: 50% !important;
    transform: translate(50%, 50%);
    width: min(280px, 86vw);
    padding: 22px 18px;
  }
}

/* ---------- 22. 动效 ---------- */
[data-reveal] { opacity: 1; transition: transform .35s ease, opacity .35s ease; }
[data-reveal].is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}

/* ---------- 23. 杂项 ---------- */
.anchor-offset { display: block; position: relative; top: calc(-1 * (var(--header-h) + 12px)); visibility: hidden; }
.note-box {
  background: var(--brand-soft); border-left: 3px solid var(--brand);
  padding: 16px 20px; border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 14.5px; color: var(--ink-3); margin: 0 0 20px;
}
.note-box strong { color: var(--brand-d); }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.mt-24 { margin-top: 24px; } .mt-32 { margin-top: 32px; } .mb-32 { margin-bottom: 32px; }