/* ==========================================================================
   山东鑫鼎机械科技有限公司 · 官网样式
   设计基准宽度 1440px，主色琥珀 #F0A500，CTA 橙 #F26B0A
   ========================================================================== */

/* ---------- 设计变量 ---------- */
:root {
  --amber: #f0a500;
  --amber-dark: #d18f00;
  --cta: #f26b0a;
  --cta-dark: #d95c05;

  --ink: #15181c;
  --ink-2: #191d21;
  --ink-3: #101315;
  --ink-4: #0a0c0e;

  --text: #18191c;
  --text-2: #454b54;
  --muted: #6b7280;
  --muted-2: #9aa1ab;

  --line: #e5e7eb;
  --line-dark: rgba(255, 255, 255, 0.1);
  --bg: #ffffff;
  --bg-soft: #f5f6f8;

  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 18px;

  --pad-x: clamp(20px, 8.33vw, 120px);
  --sec-y: clamp(44px, 4vw, 56px);

  --shadow-sm: 0 2px 8px rgba(15, 20, 28, 0.06);
  --shadow: 0 10px 30px rgba(15, 20, 28, 0.1);
  --shadow-lg: 0 18px 48px rgba(15, 20, 28, 0.16);

  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC",
    "Source Han Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
}

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

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

/* ---------- 布局 ---------- */
.wrap {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding-inline: var(--pad-x);
}

.section {
  padding-block: var(--sec-y);
}

.section--soft {
  background: var(--bg-soft);
}

.section--dark {
  background: var(--ink-2);
  color: #fff;
}

.section-head {
  margin-bottom: 28px;
}

.section-head--center {
  text-align: center;
  max-width: 760px;
  margin-inline: auto;
  margin-bottom: 32px;
}

/* 小标签 */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--amber);
  border-radius: 2px;
}

.section-head--center .eyebrow {
  justify-content: center;
}

/* 标题层级 */
.h1 {
  font-size: clamp(32px, 3.4vw, 48px);
  line-height: 1.18;
  font-weight: 900;
  letter-spacing: -0.5px;
}

.h2 {
  font-size: clamp(24px, 2.4vw, 34px);
  line-height: 1.3;
  font-weight: 900;
  letter-spacing: -0.3px;
}

.h3 {
  font-size: 20px;
  line-height: 1.4;
  font-weight: 900;
}

.sub {
  margin-top: 10px;
  font-size: 15px;
  color: var(--muted);
}

.section--dark .h2,
.section--dark .h1 {
  color: #fff;
}

.section--dark .sub {
  color: rgba(255, 255, 255, 0.62);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease, box-shadow 0.18s ease,
    border-color 0.18s ease, color 0.18s ease;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn--cta {
  background: var(--cta);
  color: #fff;
  box-shadow: 0 8px 22px rgba(242, 107, 10, 0.34);
}

.btn--cta:hover {
  background: var(--cta-dark);
  box-shadow: 0 12px 28px rgba(242, 107, 10, 0.4);
}

.btn--amber {
  background: var(--amber);
  color: var(--ink);
}

.btn--amber:hover {
  background: var(--amber-dark);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.28);
  color: #fff;
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn--outline {
  background: #fff;
  border-color: var(--line);
  color: var(--text);
}

.btn--outline:hover {
  border-color: var(--amber);
  color: var(--amber-dark);
}

.btn--sm {
  padding: 11px 20px;
  font-size: 14px;
}

.btn--block {
  width: 100%;
}

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--ink);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: box-shadow 0.2s ease;
}

.site-header.is-stuck {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
}

/* 品牌标识 */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: none;
}

.brand__mark {
  width: 36px;
  height: 36px;
  flex: none;
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand__name {
  font-size: 18px;
  font-weight: 900;
  color: #fff;
  line-height: 1.22;
  letter-spacing: 0.02em;
}

.brand__sub {
  font-size: 11px;
  font-weight: 500;
  color: var(--amber);
  line-height: 1.27;
  letter-spacing: 0.18em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}

.nav__links a {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.78);
  transition: color 0.18s ease;
  position: relative;
  padding-block: 4px;
}

.nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--amber);
  border-radius: 2px;
  transition: width 0.2s ease;
}

.nav__links a:hover,
.nav__links a.is-active {
  color: #fff;
}

.nav__links a:hover::after,
.nav__links a.is-active::after {
  width: 100%;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: none;
}

.nav__phone {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.02em;
}

.nav__phone svg {
  color: var(--amber);
}

.nav__toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: transparent;
  color: #fff;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

/* ---------- 首屏 ---------- */
.hero {
  position: relative;
  background: radial-gradient(
      1200px 520px at 78% 10%,
      rgba(240, 165, 0, 0.14),
      transparent 65%
    ),
    linear-gradient(180deg, #15181c 0%, #101315 100%);
  color: #fff;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(240, 165, 0, 0.45),
    transparent
  );
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 560px);
  align-items: center;
  gap: 56px;
  padding-block: clamp(48px, 5vw, 76px);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border: 1px solid rgba(240, 165, 0, 0.42);
  border-radius: 999px;
  background: rgba(240, 165, 0, 0.1);
  font-size: 13px;
  font-weight: 500;
  color: #f6c65a;
  margin-bottom: 18px;
}

.hero__badge svg {
  flex: none;
}

.hero h1 {
  font-size: clamp(34px, 3.6vw, 48px);
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: -0.6px;
}

.hero h1 em {
  font-style: normal;
  color: var(--amber);
}

.hero__pitch {
  margin-top: 16px;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.01em;
}

.hero__desc {
  margin-top: 14px;
  max-width: 560px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.66);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 26px;
}

.hero__cta .btn--ghost {
  font-variant-numeric: tabular-nums;
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero__trust li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
}

.hero__trust svg {
  color: var(--amber);
  flex: none;
}

.hero__media {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.5);
}

.hero__media img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.hero__media::after {
  content: "";
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  border-radius: inherit;
  border: 1px solid rgba(255, 255, 255, 0.14);
  pointer-events: none;
}

/* ---------- 核心优势 ---------- */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.adv-card {
  position: relative;
  padding: 30px 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.adv-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: rgba(240, 165, 0, 0.5);
}

.adv-card__icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: rgba(240, 165, 0, 0.12);
  color: var(--amber-dark);
  margin-bottom: 18px;
}

.adv-card h3 {
  font-size: 19px;
  font-weight: 900;
  margin-bottom: 10px;
}

.adv-card p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.adv-card__no {
  position: absolute;
  top: 24px;
  right: 26px;
  font-size: 34px;
  font-weight: 900;
  color: rgba(21, 24, 28, 0.05);
  line-height: 1;
}

/* ---------- 应用场景 ---------- */
.scene-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.scene-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.scene-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.scene-card__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 9 / 5;
}

.scene-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.scene-card:hover .scene-card__media img {
  transform: scale(1.06);
}

.scene-card__body {
  padding: 14px 16px 18px;
}

.scene-card h3 {
  font-size: 16px;
  font-weight: 900;
  margin-bottom: 6px;
}

.scene-card p {
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 产品中心 ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.product-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(240, 165, 0, 0.45);
}

.product-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--bg-soft);
}

.product-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card:hover .product-card__media img {
  transform: scale(1.04);
}

.product-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 20px 22px 22px;
}

.product-card h3 {
  font-size: 20px;
  font-weight: 900;
}

.product-card__specs {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.9;
  color: var(--muted);
}

.product-card__foot {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 18px;
}

.product-card__price small {
  display: block;
  font-size: 13px;
  color: var(--muted-2);
}

.product-card__price strong {
  font-size: 24px;
  font-weight: 900;
  color: var(--cta);
  letter-spacing: -0.5px;
}

.note {
  margin-top: 16px;
  font-size: 12px;
  color: var(--muted-2);
}

/* ---------- 服务流程 ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
  counter-reset: step;
}

.step {
  position: relative;
  padding: 24px 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.step::after {
  content: "";
  position: absolute;
  top: 40px;
  right: -9px;
  width: 18px;
  height: 2px;
  background: var(--line);
}

.step:last-child::after {
  display: none;
}

.step__no {
  font-size: 30px;
  font-weight: 900;
  line-height: 1;
  color: rgba(240, 165, 0, 0.35);
  margin-bottom: 12px;
  letter-spacing: -1px;
}

.step h3 {
  font-size: 17px;
  font-weight: 900;
  margin-bottom: 8px;
}

.step p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 厂家实力 ---------- */
.factory-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 26px;
}

.stat {
  padding: 20px 22px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
}

.stat strong {
  display: block;
  font-size: 36px;
  font-weight: 900;
  line-height: 1.1;
  color: var(--amber);
  letter-spacing: -1px;
}

.stat span {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.62);
}

.factory-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.factory-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
}

.factory-item img {
  width: 100%;
  height: 100%;
  aspect-ratio: 5 / 4;
  object-fit: cover;
}

.factory-item figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 26px 14px 12px;
  font-size: 13px;
  font-weight: 500;
  color: #fff;
  background: linear-gradient(
    180deg,
    transparent,
    rgba(10, 12, 14, 0.82)
  );
}

/* ---------- 客户案例 ---------- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.case-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.case-card__media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.case-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-card__city {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(21, 24, 28, 0.78);
  backdrop-filter: blur(4px);
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.02em;
}

.case-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 18px 20px 20px;
}

.case-card__type {
  display: inline-block;
  align-self: flex-start;
  padding: 3px 10px;
  border-radius: 4px;
  background: rgba(240, 165, 0, 0.14);
  color: var(--amber-dark);
  font-size: 13px;
  font-weight: 700;
}

.case-card blockquote {
  margin: 12px 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-2);
}

.case-card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.case-card__boss {
  font-size: 13px;
  font-weight: 700;
}

.case-card__years {
  font-size: 12px;
  color: var(--muted-2);
}

/* ---------- 表单 ---------- */
.form-band {
  background: linear-gradient(135deg, #16191d 0%, #241a0c 100%);
  color: #fff;
}

.form-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 460px);
  gap: 48px;
  align-items: start;
}

.form-card {
  padding: 28px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.field {
  margin-bottom: 14px;
}

.field label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.78);
}

.field input,
.field select {
  width: 100%;
  height: 46px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  font-size: 14px;
  transition: border-color 0.18s ease, background 0.18s ease;
}

.field select option {
  color: var(--text);
}

.field input::placeholder {
  color: rgba(255, 255, 255, 0.38);
}

.field input:focus,
.field select:focus {
  border-color: var(--amber);
  background: rgba(255, 255, 255, 0.1);
  outline: none;
}

.form-tip {
  margin-top: 10px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
  text-align: center;
}

.form-done {
  display: none;
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 8px;
  background: rgba(240, 165, 0, 0.14);
  border: 1px solid rgba(240, 165, 0, 0.4);
  font-size: 13px;
  color: #f6c65a;
}

.form-done.is-on {
  display: block;
}

.info-list {
  display: grid;
  gap: 18px;
  margin-top: 26px;
}

.info-item {
  display: flex;
  gap: 14px;
}

.info-item__icon {
  flex: none;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--amber);
}

.info-item dt {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 2px;
}

.info-item dd {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  line-height: 1.6;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--ink-4);
  color: rgba(255, 255, 255, 0.7);
  padding-block: 52px 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 36px;
}

.footer-brand .brand {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.5);
  max-width: 300px;
}

.footer-phone {
  display: inline-block;
  margin-top: 16px;
  font-size: 24px;
  font-weight: 900;
  color: var(--amber);
  letter-spacing: 0.02em;
}

.footer-col h4 {
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
}

.footer-col li + li {
  margin-top: 9px;
}

.footer-col a,
.footer-col span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.62);
  line-height: 1.7;
  transition: color 0.18s ease;
}

.footer-col a:hover {
  color: var(--amber);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-block: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.42);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.42);
}

.footer-bottom a:hover {
  color: var(--amber);
}

/* ---------- 悬浮咨询 ---------- */
.floating {
  position: fixed;
  right: 18px;
  bottom: 22px;
  z-index: 80;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.floating a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  width: 62px;
  height: 62px;
  border-radius: 12px;
  background: rgba(21, 24, 28, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 11px;
  font-weight: 500;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.28);
  transition: transform 0.18s ease, background 0.18s ease;
}

.floating a:hover {
  transform: translateY(-2px);
  background: var(--ink);
}

.floating a svg {
  color: var(--amber);
}

.floating a.floating--cta {
  background: var(--cta);
  border-color: transparent;
}

.floating a.floating--cta svg {
  color: #fff;
}

/* ==========================================================================
   内页通用
   ========================================================================== */

/* 内页标题区 */
.page-hero {
  background: linear-gradient(180deg, #15181c 0%, #101315 100%);
  color: #fff;
  padding-block: clamp(34px, 3vw, 44px) clamp(40px, 3.4vw, 52px);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: 14px;
}

.breadcrumb a:hover {
  color: var(--amber);
}

.breadcrumb strong {
  color: rgba(255, 255, 255, 0.86);
  font-weight: 700;
}

.page-hero h1 {
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.25;
  font-weight: 900;
  letter-spacing: -0.5px;
}

.page-hero .sub {
  color: rgba(255, 255, 255, 0.6);
  font-size: 15px;
}

/* 产品主信息 */
.product-main {
  display: grid;
  grid-template-columns: minmax(0, 560px) minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

.product-media {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-soft);
}

.product-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.product-media__note {
  padding: 10px 14px;
  font-size: 12px;
  color: var(--muted-2);
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
}

.product-name {
  font-size: 28px;
  font-weight: 900;
  letter-spacing: -0.4px;
}

.price-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-top: 14px;
}

.price-row span {
  font-size: 13px;
  color: var(--muted);
}

.price-row strong {
  font-size: 32px;
  font-weight: 900;
  color: var(--cta);
  letter-spacing: -1px;
  line-height: 1;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.chip {
  padding: 7px 14px;
  border-radius: 999px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  font-size: 12px;
  font-weight: 700;
  color: var(--text-2);
}

.product-desc {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.product-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.trust-row li {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--muted);
}

.trust-row svg {
  color: var(--amber-dark);
  flex: none;
}

/* 参数表 */
.spec-table {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}

.spec-table__row {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  border-bottom: 1px solid var(--line);
}

.spec-table__row:last-child {
  border-bottom: none;
}

.spec-table__row:nth-child(even) {
  background: #fafbfc;
}

.spec-table__k {
  padding: 14px 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  border-right: 1px solid var(--line);
}

.spec-table__v {
  padding: 14px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

/* 配置清单 */
.config-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.config-card {
  padding: 20px;
  background: var(--bg-soft);
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.config-card:hover {
  background: #fff;
  border-color: var(--line);
}

.config-card h3 {
  font-size: 15px;
  font-weight: 900;
  margin-bottom: 7px;
}

.config-card p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* 酿造流程 */
.flow {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
}

.flow-item {
  position: relative;
  padding: 18px 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
}

.flow-item span {
  display: block;
  font-size: 20px;
  font-weight: 900;
  color: var(--amber);
  line-height: 1;
  margin-bottom: 10px;
  letter-spacing: -0.5px;
}

.flow-item h3 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
}

/* 底部转化条 */
.cta-band {
  background: linear-gradient(120deg, #16191d 0%, #2a1d09 100%);
  color: #fff;
}

.cta-band__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding-block: clamp(32px, 3vw, 44px);
}

.cta-band h2 {
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 900;
  letter-spacing: -0.3px;
}

.cta-band p {
  margin-top: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.62);
}

.cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ==========================================================================
   关于我们
   ========================================================================== */
.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 520px);
  gap: 48px;
  align-items: center;
}

.intro-text p + p {
  margin-top: 14px;
}

.intro-text p {
  font-size: 14px;
  line-height: 1.95;
  color: var(--text-2);
}

.intro-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.intro-stats strong {
  display: block;
  font-size: 26px;
  font-weight: 900;
  color: var(--cta);
  line-height: 1.2;
  letter-spacing: -0.5px;
}

.intro-stats span {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: var(--muted);
}

.intro-media {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.intro-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 4;
  object-fit: cover;
}

/* 发展历程 */
.timeline {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
  position: relative;
  padding-top: 8px;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 24px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--line);
}

.timeline-item {
  position: relative;
  padding-top: 34px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: 19px;
  left: 0;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--amber);
}

.timeline-item strong {
  display: block;
  font-size: 20px;
  font-weight: 900;
  color: var(--text);
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}

.timeline-item p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* 资质荣誉 */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.cert-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.cert-card__icon {
  flex: none;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: rgba(240, 165, 0, 0.12);
  color: var(--amber-dark);
}

.cert-card h3 {
  font-size: 15px;
  font-weight: 900;
}

.cert-card p {
  margin-top: 3px;
  font-size: 12px;
  color: var(--muted-2);
}

/* 服务理念 */
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.value-card {
  padding: 26px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  border-top: 3px solid var(--amber);
}

.value-card h3 {
  font-size: 17px;
  font-weight: 900;
  margin-bottom: 8px;
}

.value-card p {
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

/* ==========================================================================
   联系我们
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 520px);
  gap: 40px;
  align-items: start;
}

.contact-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.contact-card__rows {
  padding: 8px 24px;
}

.contact-row {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.contact-row:last-child {
  border-bottom: none;
}

.contact-row__icon {
  flex: none;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: rgba(240, 165, 0, 0.12);
  color: var(--amber-dark);
}

.contact-row dt {
  font-size: 12px;
  color: var(--muted-2);
  margin-bottom: 2px;
}

.contact-row dd {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
}

.contact-row dd a:hover {
  color: var(--cta);
}

.map-card {
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}

.map-canvas {
  position: relative;
  display: grid;
  place-items: center;
  gap: 10px;
  padding: 34px 20px;
  background: repeating-linear-gradient(
      0deg,
      #eef1f4 0 1px,
      transparent 1px 26px
    ),
    repeating-linear-gradient(90deg, #eef1f4 0 1px, transparent 1px 26px),
    #f7f8fa;
  text-align: center;
}

.map-canvas__pin {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--cta);
  color: #fff;
  box-shadow: 0 10px 22px rgba(242, 107, 10, 0.36);
}

.map-canvas strong {
  display: block;
  font-size: 15px;
  font-weight: 900;
}

.map-canvas span {
  font-size: 13px;
  color: var(--muted);
}

.map-card__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
}

/* 留言表单（浅色） */
.form-card--light {
  background: #fff;
  border: 1px solid var(--line);
}

.form-card--light .field label {
  color: var(--text-2);
}

.form-card--light .field input,
.form-card--light .field select {
  background: #fff;
  border-color: var(--line);
  color: var(--text);
}

.form-card--light .field input::placeholder {
  color: var(--muted-2);
}

.form-card--light .form-tip {
  color: var(--muted-2);
}

/* 常见问题 */
.faq {
  display: grid;
  gap: 12px;
}

.faq-item {
  padding: 20px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.faq-item h3 {
  font-size: 15px;
  font-weight: 900;
  margin-bottom: 7px;
}

.faq-item p {
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1180px) {
  .hero__inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 34px;
  }

  .hero__media {
    max-width: 640px;
  }

  .scene-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .step::after {
    display: none;
  }

  .factory-grid,
  .config-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .product-main,
  .intro-grid,
  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
  }

  .form-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
  }

  .footer-top {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px;
  }

  .timeline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px 14px;
  }

  .timeline::before {
    display: none;
  }
}

@media (max-width: 900px) {
  .nav__links,
  .nav__phone {
    display: none;
  }

  .nav__toggle {
    display: inline-flex;
  }

  .adv-grid,
  .product-grid,
  .case-grid,
  .cert-grid,
  .value-grid,
  .factory-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .spec-table__row {
    grid-template-columns: 140px minmax(0, 1fr);
  }

  .mobile-open .nav__links {
    display: flex;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px var(--pad-x) 18px;
    background: #15181c;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin: 0;
  }

  .mobile-open .nav__links a {
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .mobile-open .nav__links a::after {
    display: none;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 14px;
  }

  .adv-grid,
  .product-grid,
  .case-grid,
  .cert-grid,
  .value-grid,
  .scene-grid,
  .steps,
  .config-grid,
  .flow,
  .factory-stats,
  .factory-grid,
  .timeline,
  .form-row,
  .intro-stats {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .hero__pitch {
    font-size: 17px;
  }

  .hero h1 {
    font-size: 29px;
    letter-spacing: -0.4px;
  }

  .page-hero h1 {
    font-size: 26px;
  }

  .cta-band__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .floating {
    right: 12px;
    bottom: 14px;
    flex-direction: row;
  }

  .floating a {
    width: 56px;
    height: 56px;
  }

  .product-card__foot {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .product-card__foot .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ---------- 微信咨询二维码弹窗 ---------- */
.wx-modal {
  position: fixed;
  top: 0; right: 0; bottom: 0; left: 0;
  z-index: 200;
  display: none;
}
.wx-modal.is-open { display: block; }
.wx-modal__mask {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background: rgba(10, 12, 14, 0.62);
}
.wx-modal__panel {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: min(320px, calc(100vw - 48px));
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 26px 24px 22px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.wx-modal__close {
  position: absolute;
  right: 10px;
  top: 10px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--bg-soft);
  color: var(--muted);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}
.wx-modal__close:hover { background: var(--line); color: var(--ink); }
.wx-modal__qr {
  display: block;
  width: 208px;
  height: 208px;
  object-fit: contain;
  margin: 0 auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #fff;
}
.wx-modal__placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 208px;
  height: 208px;
  margin: 0 auto;
  border-radius: var(--radius);
  border: 1px dashed var(--line);
  background: var(--bg-soft);
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}
.wx-modal__placeholder b { color: var(--cta); font-size: 18px; }
.wx-modal__panel h3 {
  margin: 14px 0 6px;
  font-size: 18px;
  color: var(--ink);
}
.wx-modal__tip {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}
.wx-modal__copy {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: var(--bg-soft);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 13px;
  color: var(--text-2);
}
.wx-modal__copy button {
  flex-shrink: 0;
  border: none;
  border-radius: 8px;
  padding: 7px 16px;
  background: var(--amber);
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.wx-modal__copy button:hover { background: var(--amber-dark); }
.wx-modal__placeholder > div { display: block; }