/* =========================================================
   青禾环保企业官网 · 公共样式
   结构：设计变量 / 基础样式 / 组件 / 首页 / 内页 / 响应式
   ========================================================= */

/* ---------- 1. 设计变量 ---------- */
:root {
  --green-950: #0b2419;
  --green-900: #103526;
  --green-800: #194d36;
  --green-700: #216b48;
  --green-600: #2e8b57;
  --green-500: #3da66b;
  --green-300: #a9d88f;
  --green-200: #cce9be;
  --green-100: #e7f4ea;
  --green-50: #f2f8f3;
  --ink: #172a21;
  --ink-soft: #43564c;
  --muted: #697a70;
  --line: #dfe9e2;
  --paper: #ffffff;
  --canvas: #fafcfa;
  --warm: #f0e9d8;
  --shadow-sm: 0 8px 24px rgba(18, 61, 42, 0.08);
  --shadow-md: 0 18px 48px rgba(18, 61, 42, 0.12);
  --shadow-lg: 0 30px 80px rgba(10, 41, 28, 0.18);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 30px;
  --radius-pill: 999px;
  --container: 1180px;
  --header-height: 80px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC",
    "Microsoft YaHei", system-ui, sans-serif;
  --font-display: "Source Han Serif SC", "Noto Serif SC", "Songti SC",
    "Microsoft YaHei", serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--canvas);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.nav-open,
body.modal-open {
  overflow: hidden;
}

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

img {
  height: auto;
}

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

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

button {
  border: 0;
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.65;
}

h1,
h2,
h3,
h4,
p,
ul,
ol,
dl,
dd,
figure {
  margin: 0;
}

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

h1,
h2,
h3,
h4 {
  color: var(--green-950);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.02em;
}

p {
  color: var(--muted);
}

::selection {
  color: var(--green-950);
  background: var(--green-200);
}

:focus-visible {
  outline: 3px solid #7dd79d;
  outline-offset: 4px;
}

[hidden] {
  display: none !important;
}

.container {
  width: min(var(--container), calc(100% - 48px));
  margin-inline: auto;
}

.section {
  position: relative;
  padding: 108px 0;
}

.section-soft {
  background: var(--green-50);
}

.section-tight {
  padding: 72px 0;
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 16px;
  z-index: 3000;
  padding: 10px 18px;
  color: #fff;
  background: var(--green-900);
  border-radius: 8px;
  transform: translateY(-150%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

/* ---------- 3. 公共组件 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--green-700);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 24px;
  height: 2px;
  background: currentColor;
  content: "";
}

.eyebrow-light {
  color: var(--green-200);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 430px);
  gap: 56px;
  align-items: end;
  margin-bottom: 48px;
}

.section-heading h2 {
  max-width: 680px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.035em;
}

.section-heading p {
  font-size: 1rem;
  line-height: 1.9;
}

.section-heading--center {
  display: block;
  max-width: 760px;
  margin-inline: auto;
  margin-bottom: 52px;
  text-align: center;
}

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

.section-heading--center p {
  max-width: 630px;
  margin: 18px auto 0;
}

.btn {
  display: inline-flex;
  min-height: 50px;
  padding: 12px 24px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--green-950);
  background: var(--green-300);
  border: 1px solid var(--green-300);
  border-radius: var(--radius-pill);
  font-size: 0.94rem;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  white-space: nowrap;
  transition:
    color 0.25s ease,
    background 0.25s ease,
    border-color 0.25s ease,
    box-shadow 0.25s ease,
    transform 0.25s var(--ease);
}

.btn svg {
  width: 17px;
  height: 17px;
  transition: transform 0.25s var(--ease);
}

.btn:hover {
  background: #c4ed9d;
  box-shadow: 0 10px 28px rgba(169, 216, 143, 0.3);
  transform: translateY(-2px) scale(1.015);
}

.btn:hover svg {
  transform: translateX(3px);
}

.btn:active {
  transform: translateY(0) scale(0.99);
}

.btn-primary {
  color: #fff;
  background: var(--green-600);
  border-color: var(--green-600);
}

.btn-primary:hover {
  color: #fff;
  background: var(--green-700);
  border-color: var(--green-700);
  box-shadow: 0 12px 30px rgba(46, 139, 87, 0.3);
}

.btn-secondary {
  color: #fff;
  background: transparent;
  border-color: rgba(255, 255, 255, 0.56);
}

.btn-secondary:hover {
  color: var(--green-950);
  background: #fff;
  border-color: #fff;
  box-shadow: 0 12px 30px rgba(255, 255, 255, 0.14);
}

.btn-outline {
  color: var(--green-700);
  background: transparent;
  border-color: #b7d4c2;
}

.btn-outline:hover {
  color: #fff;
  background: var(--green-700);
  border-color: var(--green-700);
  box-shadow: var(--shadow-sm);
}

.btn-small {
  min-height: 42px;
  padding: 9px 18px;
  font-size: 0.86rem;
}

.icon-arrow {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--green-700);
  font-size: 0.9rem;
  font-weight: 700;
}

.text-link::after {
  content: "↗";
  transition: transform 0.25s var(--ease);
}

.text-link:hover::after {
  transform: translate(3px, -3px);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-flex;
  padding: 5px 11px;
  color: var(--green-700);
  background: var(--green-100);
  border-radius: var(--radius-pill);
  font-size: 0.74rem;
  font-weight: 600;
  line-height: 1.5;
}

.tag-light {
  color: #e8f7ec;
  background: rgba(255, 255, 255, 0.11);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.check-list {
  display: grid;
  gap: 13px;
}

.check-list li {
  position: relative;
  padding-left: 30px;
  color: var(--ink-soft);
  font-size: 0.94rem;
}

.check-list li::before {
  position: absolute;
  top: 4px;
  left: 0;
  display: grid;
  width: 20px;
  height: 20px;
  place-items: center;
  color: var(--green-700);
  background: var(--green-100);
  border-radius: 50%;
  font-size: 0.68rem;
  font-weight: 800;
  content: "✓";
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 2100;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green-500), var(--green-300));
  pointer-events: none;
}

/* ---------- 4. 顶部导航 ---------- */
.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(25, 77, 54, 0.06);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transition:
    background 0.3s ease,
    box-shadow 0.3s ease,
    border-color 0.3s ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.97);
  border-color: rgba(25, 77, 54, 0.1);
  box-shadow: 0 10px 30px rgba(15, 56, 38, 0.08);
}

.header-inner {
  display: flex;
  height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 11px;
}

.brand img {
  width: 43px;
  height: 43px;
  border-radius: 13px;
  box-shadow: 0 7px 18px rgba(46, 139, 87, 0.18);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text strong {
  color: var(--green-950);
  font-size: 1.18rem;
  letter-spacing: 0.06em;
}

.brand-text small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.57rem;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 34px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 5px;
}

.nav-link {
  position: relative;
  display: block;
  padding: 11px 13px;
  color: var(--ink-soft);
  font-size: 0.89rem;
  font-weight: 600;
  transition: color 0.22s ease;
}

.nav-link::after {
  position: absolute;
  right: 13px;
  bottom: 6px;
  left: 13px;
  height: 2px;
  background: var(--green-600);
  border-radius: 2px;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.28s var(--ease);
}

.nav-link:hover {
  color: var(--green-600);
}

.nav-link:hover::after,
.nav-link.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-link.is-active {
  color: var(--green-700);
}

.nav-cta {
  flex: 0 0 auto;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 11px;
  background: transparent;
  border-radius: 50%;
}

.nav-toggle-lines {
  position: relative;
  display: block;
  width: 22px;
  height: 16px;
  margin: auto;
}

.nav-toggle-lines span {
  position: absolute;
  left: 0;
  display: block;
  width: 22px;
  height: 2px;
  background: var(--green-900);
  border-radius: 2px;
  transition:
    transform 0.28s var(--ease),
    top 0.28s var(--ease),
    opacity 0.2s ease;
}

.nav-toggle-lines span:nth-child(1) {
  top: 0;
}

.nav-toggle-lines span:nth-child(2) {
  top: 7px;
}

.nav-toggle-lines span:nth-child(3) {
  top: 14px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-lines span:nth-child(1) {
  top: 7px;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-lines span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-lines span:nth-child(3) {
  top: 7px;
  transform: rotate(-45deg);
}

/* ---------- 5. 首页 Banner 轮播 ---------- */
.hero {
  position: relative;
  min-height: min(900px, 100svh);
  overflow: hidden;
  background: var(--green-950);
}

.hero::after {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(4, 24, 18, 0.91) 0%, rgba(4, 24, 18, 0.65) 43%, rgba(4, 24, 18, 0.1) 78%),
    linear-gradient(0deg, rgba(4, 24, 18, 0.72) 0%, transparent 42%);
  content: "";
  pointer-events: none;
}

.hero-slides {
  position: absolute;
  inset: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  display: flex;
  padding: calc(var(--header-height) + 90px) 0 128px;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.9s ease,
    visibility 0.9s ease;
}

.hero-slide.is-active {
  z-index: 2;
  opacity: 1;
  visibility: visible;
}

.hero-slide-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.03);
  transition: transform 7s ease-out;
}

.hero-slide.is-active .hero-slide-bg {
  transform: scale(1);
}

.hero-slide .container {
  position: relative;
  z-index: 3;
}

.hero-copy {
  max-width: 760px;
  color: #fff;
}

.hero-kicker {
  display: inline-flex;
  padding: 7px 14px;
  align-items: center;
  gap: 9px;
  color: #e6f8eb;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-pill);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  backdrop-filter: blur(8px);
}

.hero-kicker::before {
  width: 7px;
  height: 7px;
  background: var(--green-300);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(169, 216, 143, 0.12);
  content: "";
}

.hero h1 {
  max-width: 810px;
  margin-top: 24px;
  color: #fff;
  font-family: var(--font-display);
  font-size: clamp(3rem, 6.2vw, 5.7rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.055em;
  text-wrap: balance;
}

.hero h1 .accent {
  color: var(--green-300);
}

.hero-description {
  max-width: 600px;
  margin-top: 24px;
  color: rgba(242, 249, 244, 0.8);
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  margin-top: 34px;
}

.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-top: 54px;
}

.hero-metric {
  min-width: 145px;
  padding: 0 32px;
  border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-metric:first-child {
  padding-left: 0;
  border-left: 0;
}

.hero-metric strong {
  display: block;
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.8rem;
  line-height: 1.2;
}

.hero-metric strong small {
  margin-left: 2px;
  color: var(--green-300);
  font-size: 0.78rem;
  font-weight: 700;
}

.hero-metric span {
  color: rgba(242, 249, 244, 0.6);
  font-size: 0.76rem;
}

.hero-slide.is-active .hero-kicker,
.hero-slide.is-active .hero-copy h1,
.hero-slide.is-active .hero-description,
.hero-slide.is-active .hero-actions,
.hero-slide.is-active .hero-metrics {
  animation: heroReveal 0.75s var(--ease) both;
}

.hero-slide.is-active .hero-copy h1 {
  animation-delay: 0.08s;
}

.hero-slide.is-active .hero-description {
  animation-delay: 0.16s;
}

.hero-slide.is-active .hero-actions {
  animation-delay: 0.24s;
}

.hero-slide.is-active .hero-metrics {
  animation-delay: 0.32s;
}

@keyframes heroReveal {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-controls {
  position: absolute;
  right: 0;
  bottom: 42px;
  left: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hero-pagination {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-dot {
  position: relative;
  width: 34px;
  height: 22px;
  padding: 0;
  background: transparent;
}

.hero-dot::before {
  position: absolute;
  top: 10px;
  right: 0;
  left: 0;
  height: 2px;
  background: rgba(255, 255, 255, 0.35);
  content: "";
  transition:
    background 0.25s ease,
    transform 0.3s var(--ease);
}

.hero-dot:hover::before {
  background: rgba(255, 255, 255, 0.75);
}

.hero-dot.is-active::before {
  background: var(--green-300);
  transform: scaleY(2);
}

.hero-dot span {
  position: absolute;
  top: 2px;
  left: 50%;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.65rem;
  transform: translateX(-50%);
}

.hero-arrows {
  display: flex;
  gap: 10px;
}

.hero-arrow {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  transition:
    color 0.25s ease,
    background 0.25s ease,
    transform 0.25s var(--ease);
}

.hero-arrow:hover {
  color: var(--green-950);
  background: #fff;
  transform: scale(1.06);
}

.hero-arrow svg {
  width: 20px;
  height: 20px;
}

.hero-side-note {
  position: absolute;
  right: 34px;
  bottom: 136px;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  writing-mode: vertical-rl;
}

.hero-side-note::before {
  width: 1px;
  height: 58px;
  background: rgba(255, 255, 255, 0.3);
  content: "";
}

/* ---------- 6. 首页内容模块 ---------- */
.impact-strip {
  position: relative;
  z-index: 4;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.impact-grid {
  display: grid;
  grid-template-columns: 1.15fr repeat(3, 0.55fr);
  min-height: 130px;
  align-items: stretch;
}

.impact-intro,
.impact-item {
  display: flex;
  padding: 27px 30px;
  justify-content: center;
  flex-direction: column;
  border-left: 1px solid var(--line);
}

.impact-intro {
  padding-left: 0;
  border-left: 0;
}

.impact-intro strong {
  display: block;
  color: var(--green-900);
  font-size: 1.05rem;
}

.impact-intro span {
  color: var(--muted);
  font-size: 0.82rem;
}

.impact-item strong {
  color: var(--green-700);
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1.2;
}

.impact-item span {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.78rem;
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.business-card {
  position: relative;
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(25, 77, 54, 0.09);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 30px rgba(18, 61, 42, 0.04);
  transition:
    transform 0.35s var(--ease),
    box-shadow 0.35s ease,
    border-color 0.35s ease;
}

.business-card:hover {
  border-color: rgba(46, 139, 87, 0.22);
  box-shadow: var(--shadow-md);
  transform: translateY(-8px);
}

.business-card-media {
  position: relative;
  aspect-ratio: 4 / 2.85;
  overflow: hidden;
  background: var(--green-100);
}

.business-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}

.business-card:hover .business-card-media img {
  transform: scale(1.045);
}

.card-index {
  position: absolute;
  top: 18px;
  right: 18px;
  display: grid;
  width: 49px;
  height: 49px;
  place-items: center;
  color: var(--green-900);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  backdrop-filter: blur(8px);
}

.business-card-body {
  padding: 26px 27px 29px;
}

.business-card-body h3 {
  font-size: 1.24rem;
}

.business-card-body p {
  margin-top: 12px;
  font-size: 0.9rem;
  line-height: 1.85;
}

.business-card-foot {
  display: flex;
  margin-top: 23px;
  padding-top: 18px;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
}

.business-card-foot span {
  color: var(--muted);
  font-size: 0.75rem;
}

.advantages-section {
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 78% 24%, rgba(103, 179, 121, 0.2), transparent 30%),
    linear-gradient(130deg, var(--green-950), #164a35 70%, #1c5c41);
}

.advantages-section::before {
  position: absolute;
  top: -420px;
  right: -250px;
  width: 780px;
  height: 780px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  box-shadow:
    0 0 0 90px rgba(255, 255, 255, 0.025),
    0 0 0 180px rgba(255, 255, 255, 0.018);
  content: "";
}

.advantages-section .eyebrow {
  color: var(--green-300);
}

.advantages-section h2 {
  color: #fff;
}

.advantages-section .section-heading p {
  color: rgba(231, 244, 234, 0.68);
}

.advantages-layout {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 76px;
  align-items: center;
}

.advantages-quote {
  position: relative;
  padding: 34px 36px 34px 56px;
  color: #e7f4ea;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
}

.advantages-quote::before {
  position: absolute;
  top: 16px;
  left: 25px;
  color: var(--green-300);
  font-family: Georgia, serif;
  font-size: 4.4rem;
  line-height: 1;
  content: "“";
}

.advantages-quote p {
  color: inherit;
  font-family: var(--font-display);
  font-size: 1.18rem;
  line-height: 1.85;
}

.advantages-quote span {
  display: block;
  margin-top: 16px;
  color: rgba(231, 244, 234, 0.56);
  font-size: 0.77rem;
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.advantage-item {
  min-height: 194px;
  padding: 27px 25px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  backdrop-filter: blur(8px);
  transition:
    background 0.28s ease,
    border-color 0.28s ease,
    transform 0.28s var(--ease);
}

.advantage-item:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(169, 216, 143, 0.28);
  transform: translateY(-4px);
}

.advantage-icon {
  display: grid;
  width: 45px;
  height: 45px;
  margin-bottom: 20px;
  place-items: center;
  color: var(--green-300);
  background: rgba(169, 216, 143, 0.1);
  border: 1px solid rgba(169, 216, 143, 0.15);
  border-radius: 14px;
}

.advantage-icon svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.advantage-item h3 {
  color: #fff;
  font-size: 1.03rem;
}

.advantage-item p {
  margin-top: 8px;
  color: rgba(231, 244, 234, 0.62);
  font-size: 0.81rem;
  line-height: 1.75;
}

.products-heading-row {
  display: flex;
  margin-bottom: 44px;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
}

.products-heading-row .section-heading {
  flex: 1;
  margin-bottom: 0;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.product-card {
  position: relative;
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(25, 77, 54, 0.1);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 28px rgba(18, 61, 42, 0.04);
  transition:
    transform 0.35s var(--ease),
    box-shadow 0.35s ease;
}

.product-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-7px);
}

.product-card-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #edf3ee;
}

.product-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.65s var(--ease);
}

.product-card:hover .product-card-media img {
  transform: scale(1.045);
}

.product-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 5px 10px;
  color: var(--green-900);
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-pill);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  backdrop-filter: blur(8px);
}

.product-card-body {
  padding: 24px 25px 27px;
}

.product-card-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
}

.product-card h3 {
  font-size: 1.18rem;
}

.product-code {
  color: #95a49b;
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.product-card p {
  min-height: 57px;
  margin-top: 10px;
  font-size: 0.86rem;
  line-height: 1.75;
}

.product-card .tag-list {
  margin-top: 17px;
}

.product-card-action {
  display: flex;
  margin-top: 20px;
  padding-top: 17px;
  align-items: center;
  justify-content: flex-end;
  border-top: 1px solid var(--line);
}

.cta-section {
  padding: 0 0 104px;
}

.cta-panel {
  position: relative;
  display: grid;
  overflow: hidden;
  padding: 64px 66px;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 46px;
  color: #fff;
  background:
    radial-gradient(circle at 84% 30%, rgba(197, 241, 157, 0.25), transparent 24%),
    linear-gradient(120deg, #1f724d, #2e8b57 56%, #3e9e68);
  border-radius: var(--radius-lg);
  box-shadow: 0 28px 60px rgba(30, 105, 70, 0.22);
}

.cta-panel::after {
  position: absolute;
  top: -135px;
  right: -110px;
  width: 430px;
  height: 430px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  box-shadow:
    0 0 0 54px rgba(255, 255, 255, 0.035),
    0 0 0 108px rgba(255, 255, 255, 0.025);
  content: "";
}

.cta-panel > * {
  position: relative;
  z-index: 1;
}

.cta-panel .eyebrow {
  color: var(--green-200);
}

.cta-panel h2 {
  max-width: 730px;
  color: #fff;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.7vw, 3rem);
  letter-spacing: -0.03em;
}

.cta-panel p {
  max-width: 620px;
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.93rem;
}

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

/* ---------- 7. 内页通用 Banner ---------- */
.page-hero {
  position: relative;
  min-height: 460px;
  padding: calc(var(--header-height) + 112px) 0 78px;
  overflow: hidden;
  background: var(--green-950);
}

.page-hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.74;
}

.page-hero::after {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5, 28, 20, 0.91) 0%, rgba(5, 28, 20, 0.63) 53%, rgba(5, 28, 20, 0.17) 100%),
    linear-gradient(0deg, rgba(5, 28, 20, 0.36), transparent);
  content: "";
}

.page-hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.page-hero h1 {
  color: #fff;
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5.7vw, 5rem);
  letter-spacing: -0.05em;
}

.page-hero p {
  max-width: 590px;
  margin-top: 20px;
  color: rgba(237, 248, 240, 0.72);
  font-size: 1.02rem;
  line-height: 1.9;
}

.breadcrumb {
  display: flex;
  margin-top: 38px;
  align-items: center;
  gap: 10px;
  color: rgba(237, 248, 240, 0.55);
  font-size: 0.75rem;
}

.breadcrumb a {
  transition: color 0.2s ease;
}

.breadcrumb a:hover {
  color: #fff;
}

.breadcrumb span[aria-current] {
  color: var(--green-200);
}

/* ---------- 8. 关于我们 ---------- */
.about-intro {
  display: grid;
  grid-template-columns: 0.94fr 1.06fr;
  gap: 82px;
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-visual-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1 / 1.05;
  background: var(--green-100);
  border-radius: 160px 24px 24px 24px;
  box-shadow: var(--shadow-md);
}

.about-visual-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-visual-frame::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(8, 37, 25, 0.38), transparent 37%);
  content: "";
}

.about-visual figcaption {
  position: absolute;
  right: 22px;
  bottom: 20px;
  z-index: 2;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.7rem;
}

.about-year-card {
  position: absolute;
  right: -28px;
  bottom: 52px;
  z-index: 3;
  width: 156px;
  padding: 22px 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow-md);
}

.about-year-card strong {
  display: block;
  color: var(--green-600);
  font-family: var(--font-display);
  font-size: 2.2rem;
  line-height: 1.1;
}

.about-year-card span {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-size: 0.72rem;
}

.about-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.8vw, 3.1rem);
  letter-spacing: -0.04em;
}

.about-copy > p {
  margin-top: 22px;
  font-size: 0.95rem;
  line-height: 1.95;
}

.about-facts {
  display: grid;
  margin-top: 30px;
  padding: 25px 0;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.about-fact {
  padding: 0 20px;
  border-left: 1px solid var(--line);
}

.about-fact:first-child {
  padding-left: 0;
  border-left: 0;
}

.about-fact strong {
  display: block;
  color: var(--green-800);
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1.25;
}

.about-fact span {
  color: var(--muted);
  font-size: 0.72rem;
}

.about-fact strong small {
  color: var(--green-600);
  font-size: 0.62rem;
}

.about-signature {
  display: flex;
  margin-top: 30px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.signature-mark {
  display: flex;
  align-items: center;
  gap: 12px;
}

.signature-mark img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
}

.signature-mark span {
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.5;
}

.purpose-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.purpose-card {
  position: relative;
  min-height: 255px;
  padding: 32px 30px;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition:
    transform 0.3s var(--ease),
    box-shadow 0.3s ease;
}

.purpose-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.purpose-card:nth-child(2) {
  background: var(--green-900);
  border-color: var(--green-900);
}

.purpose-card:nth-child(2) h3 {
  color: #fff;
}

.purpose-card:nth-child(2) p {
  color: rgba(231, 244, 234, 0.67);
}

.purpose-number {
  position: absolute;
  top: 18px;
  right: 24px;
  color: var(--green-100);
  font-family: var(--font-display);
  font-size: 4.6rem;
  font-weight: 700;
  line-height: 1;
}

.purpose-card:nth-child(2) .purpose-number {
  color: rgba(255, 255, 255, 0.07);
}

.purpose-icon {
  display: grid;
  width: 48px;
  height: 48px;
  margin-bottom: 31px;
  place-items: center;
  color: var(--green-700);
  background: var(--green-100);
  border-radius: 15px;
}

.purpose-card:nth-child(2) .purpose-icon {
  color: var(--green-200);
  background: rgba(255, 255, 255, 0.08);
}

.purpose-icon svg {
  width: 25px;
  height: 25px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.purpose-card h3 {
  position: relative;
  font-size: 1.15rem;
}

.purpose-card p {
  position: relative;
  margin-top: 12px;
  font-size: 0.87rem;
  line-height: 1.85;
}

.timeline {
  position: relative;
  max-width: 980px;
  margin: 0 auto;
}

.timeline::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: linear-gradient(var(--green-200), var(--green-300), transparent);
  content: "";
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  display: grid;
  min-height: 190px;
  grid-template-columns: 1fr 1fr;
}

.timeline-item::before {
  position: absolute;
  top: 17px;
  left: 50%;
  z-index: 2;
  width: 11px;
  height: 11px;
  background: var(--green-600);
  border: 4px solid var(--green-50);
  border-radius: 50%;
  box-shadow: 0 0 0 1px var(--green-300);
  content: "";
  transform: translateX(-50%);
}

.timeline-year {
  align-self: start;
  padding: 5px 55px 0 0;
  color: var(--green-600);
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1.3;
  text-align: right;
}

.timeline-card {
  margin: 0 0 38px 55px;
  padding: 25px 27px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 17px;
  box-shadow: 0 8px 24px rgba(18, 61, 42, 0.04);
}

.timeline-card h3 {
  font-size: 1.02rem;
}

.timeline-card p {
  margin-top: 9px;
  font-size: 0.84rem;
  line-height: 1.8;
}

.timeline-item:nth-child(even) .timeline-year {
  order: 2;
  padding: 5px 0 0 55px;
  text-align: left;
}

.timeline-item:nth-child(even) .timeline-card {
  margin: 0 55px 38px 0;
  order: 1;
  text-align: right;
}

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

.value-item {
  padding: 27px 22px;
  background: rgba(255, 255, 255, 0.63);
  border: 1px solid #dce9df;
  border-radius: 17px;
  transition:
    background 0.25s ease,
    transform 0.25s var(--ease);
}

.value-item:hover {
  background: #fff;
  transform: translateY(-4px);
}

.value-item span {
  color: var(--green-500);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
}

.value-item h3 {
  margin-top: 10px;
  font-size: 1rem;
}

.value-item p {
  margin-top: 8px;
  font-size: 0.8rem;
  line-height: 1.75;
}

/* ---------- 9. 业务领域 ---------- */
.service-intro-grid {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 80px;
  align-items: center;
}

.service-intro-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.25rem);
  letter-spacing: -0.04em;
}

.service-intro-copy p {
  margin-top: 20px;
  font-size: 0.96rem;
  line-height: 1.95;
}

.service-mini-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 34px;
}

.service-mini {
  padding-top: 18px;
  border-top: 2px solid var(--green-300);
}

.service-mini strong {
  display: block;
  color: var(--green-900);
  font-size: 0.88rem;
}

.service-mini span {
  color: var(--muted);
  font-size: 0.75rem;
}

.service-rings {
  position: relative;
  aspect-ratio: 1;
  max-width: 420px;
  margin-left: auto;
  border: 1px solid #cae0d1;
  border-radius: 50%;
}

.service-rings::before,
.service-rings::after {
  position: absolute;
  border: 1px solid #d6e8db;
  border-radius: 50%;
  content: "";
}

.service-rings::before {
  inset: 14%;
}

.service-rings::after {
  inset: 30%;
  background: var(--green-100);
}

.service-ring-center {
  position: absolute;
  inset: 38%;
  z-index: 2;
  display: grid;
  place-content: center;
  color: var(--green-900);
  background: #fff;
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  text-align: center;
}

.service-ring-center strong {
  font-family: var(--font-display);
  font-size: 1.08rem;
}

.service-ring-center span {
  color: var(--muted);
  font-size: 0.64rem;
}

.ring-label {
  position: absolute;
  z-index: 3;
  padding: 9px 14px;
  color: var(--green-800);
  background: #fff;
  border: 1px solid #dce9e0;
  border-radius: var(--radius-pill);
  box-shadow: 0 6px 18px rgba(18, 61, 42, 0.08);
  font-size: 0.7rem;
  font-weight: 600;
  white-space: nowrap;
}

.ring-label:nth-of-type(1) {
  top: 8%;
  left: 50%;
  transform: translateX(-50%);
}

.ring-label:nth-of-type(2) {
  top: 48%;
  right: -3%;
}

.ring-label:nth-of-type(3) {
  bottom: 6%;
  left: 4%;
}

.service-detail {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 70px;
  align-items: center;
  padding: 55px 0;
  border-bottom: 1px solid var(--line);
}

.service-detail:first-child {
  padding-top: 0;
}

.service-detail:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.service-detail.is-reverse .service-detail-media {
  order: 2;
}

.service-detail.is-reverse .service-detail-copy {
  order: 1;
}

.service-detail-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1.28;
  background: var(--green-100);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.service-detail-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.75s var(--ease);
}

.service-detail:hover .service-detail-media img {
  transform: scale(1.025);
}

.service-detail-media::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(8, 37, 25, 0.18), transparent 45%);
  content: "";
}

.service-media-label {
  position: absolute;
  right: 20px;
  bottom: 18px;
  z-index: 2;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
}

.service-detail-copy {
  padding: 8px 0;
}

.service-number {
  display: inline-flex;
  margin-bottom: 16px;
  align-items: center;
  gap: 10px;
  color: var(--green-600);
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.service-number::after {
  width: 38px;
  height: 1px;
  background: #b8d6c3;
  content: "";
}

.service-detail h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.4vw, 2.7rem);
  letter-spacing: -0.035em;
}

.service-detail-copy > p {
  margin-top: 18px;
  font-size: 0.92rem;
  line-height: 1.9;
}

.service-detail-copy .check-list {
  margin-top: 24px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.service-result {
  display: flex;
  margin-top: 27px;
  padding: 18px 20px;
  align-items: center;
  gap: 18px;
  background: var(--green-50);
  border-left: 3px solid var(--green-500);
  border-radius: 0 12px 12px 0;
}

.service-result strong {
  flex: 0 0 auto;
  color: var(--green-700);
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.service-result span {
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.6;
}

.process-section {
  color: #fff;
  background: var(--green-950);
}

.process-section h2 {
  color: #fff;
}

.process-section .section-heading p {
  color: rgba(231, 244, 234, 0.62);
}

.process-section .eyebrow {
  color: var(--green-300);
}

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

.process-step {
  position: relative;
  min-height: 215px;
  padding: 26px 24px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 17px;
}

.process-step::after {
  position: absolute;
  top: 46px;
  right: -17px;
  z-index: 2;
  color: rgba(169, 216, 143, 0.48);
  font-size: 1.2rem;
  content: "→";
}

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

.process-step span {
  display: inline-grid;
  width: 36px;
  height: 36px;
  place-items: center;
  color: var(--green-300);
  border: 1px solid rgba(169, 216, 143, 0.35);
  border-radius: 50%;
  font-size: 0.68rem;
  font-weight: 700;
}

.process-step h3 {
  margin-top: 37px;
  color: #fff;
  font-size: 1rem;
}

.process-step p {
  margin-top: 9px;
  color: rgba(231, 244, 234, 0.56);
  font-size: 0.79rem;
  line-height: 1.7;
}

/* ---------- 10. 产品展示 ---------- */
.product-page-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.product-page-card .product-card-media {
  aspect-ratio: 1.1;
}

.product-page-card .product-card-body {
  display: flex;
  min-height: 305px;
  flex-direction: column;
}

.product-page-card .product-card-body > p {
  min-height: 61px;
}

.product-page-card .product-card-action {
  margin-top: auto;
  justify-content: space-between;
}

.product-page-card .product-card-action span {
  color: var(--muted);
  font-size: 0.72rem;
}

.detail-button {
  display: inline-flex;
  padding: 7px 0;
  align-items: center;
  gap: 7px;
  color: var(--green-700);
  background: transparent;
  font-size: 0.8rem;
  font-weight: 700;
}

.detail-button svg {
  width: 15px;
  height: 15px;
  transition: transform 0.22s var(--ease);
}

.detail-button:hover svg {
  transform: translateX(3px);
}

.product-note {
  display: flex;
  margin-top: 22px;
  padding: 15px 19px;
  align-items: flex-start;
  gap: 10px;
  color: var(--muted);
  background: var(--green-50);
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 0.76rem;
  line-height: 1.65;
}

.product-note::before {
  flex: 0 0 auto;
  color: var(--green-600);
  font-weight: 800;
  content: "i";
}

.spec-table-wrap {
  overflow-x: auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow-sm);
}

.spec-table {
  width: 100%;
  min-width: 730px;
  border-collapse: collapse;
  font-size: 0.84rem;
}

.spec-table th,
.spec-table td {
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.spec-table th {
  color: var(--green-900);
  background: #f7faf7;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.spec-table th:first-child {
  width: 20%;
}

.spec-table td {
  color: var(--muted);
}

.spec-table tbody tr:last-child td {
  border-bottom: 0;
}

.spec-table tbody tr {
  transition: background 0.2s ease;
}

.spec-table tbody tr:hover {
  background: var(--green-50);
}

.spec-table strong {
  color: var(--ink);
  font-weight: 600;
}

.application-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  overflow: hidden;
  background: #dce9e0;
  border: 1px solid #dce9e0;
  border-radius: 18px;
}

.application-item {
  padding: 27px 24px;
  background: #fff;
}

.application-item span {
  color: var(--green-500);
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 700;
}

.application-item h3 {
  margin-top: 10px;
  font-size: 0.95rem;
}

.application-item p {
  margin-top: 7px;
  font-size: 0.77rem;
  line-height: 1.7;
}

/* 产品弹窗 */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: grid;
  padding: 28px;
  place-items: center;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(5, 26, 18, 0.72);
  backdrop-filter: blur(9px);
  -webkit-backdrop-filter: blur(9px);
  animation: overlayIn 0.25s ease both;
}

.modal-dialog {
  position: relative;
  z-index: 1;
  display: grid;
  overflow: auto;
  width: min(960px, 100%);
  max-height: min(760px, calc(100svh - 56px));
  grid-template-columns: 0.93fr 1.07fr;
  background: #fff;
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  animation: modalIn 0.4s var(--ease) both;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 3;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--green-900);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(25, 77, 54, 0.1);
  border-radius: 50%;
  box-shadow: 0 6px 18px rgba(15, 56, 38, 0.12);
  font-size: 1.45rem;
  line-height: 1;
  transition:
    background 0.2s ease,
    transform 0.2s var(--ease);
}

.modal-close:hover {
  background: var(--green-100);
  transform: rotate(90deg);
}

.modal-media {
  position: relative;
  min-height: 450px;
  overflow: hidden;
  background: var(--green-100);
}

.modal-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.modal-media::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(8, 37, 25, 0.32), transparent 40%);
  content: "";
}

.modal-media-label {
  position: absolute;
  bottom: 23px;
  left: 25px;
  z-index: 2;
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.67rem;
  letter-spacing: 0.08em;
}

.modal-body {
  padding: 50px 44px 38px;
}

.modal-kicker {
  color: var(--green-600);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.modal-body h2 {
  margin-top: 9px;
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: -0.03em;
}

.modal-summary {
  margin-top: 15px;
  font-size: 0.87rem;
  line-height: 1.85;
}

.modal-specs {
  display: grid;
  margin-top: 22px;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.modal-specs div {
  padding: 11px 13px;
  background: var(--green-50);
  border-radius: 9px;
}

.modal-specs dt {
  color: var(--muted);
  font-size: 0.65rem;
}

.modal-specs dd {
  margin-top: 2px;
  color: var(--green-900);
  font-size: 0.79rem;
  font-weight: 600;
}

.modal-features {
  margin-top: 20px;
}

.modal-features h3 {
  font-size: 0.84rem;
}

.modal-features .tag-list {
  margin-top: 9px;
}

.modal-actions {
  display: flex;
  margin-top: 27px;
  align-items: center;
  gap: 18px;
}

.modal-actions small {
  color: #8a9b90;
  font-size: 0.66rem;
  line-height: 1.55;
}

@keyframes overlayIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.975);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ---------- 11. 联系我们 ---------- */
.contact-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.contact-card {
  display: flex;
  min-height: 166px;
  padding: 26px 25px;
  align-items: center;
  gap: 17px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 17px;
  transition:
    transform 0.25s var(--ease),
    box-shadow 0.25s ease;
}

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

.contact-card-icon {
  display: grid;
  flex: 0 0 auto;
  width: 45px;
  height: 45px;
  place-items: center;
  color: var(--green-700);
  background: var(--green-100);
  border-radius: 13px;
}

.contact-card-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.contact-card h3 {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.contact-card p,
.contact-card a {
  display: block;
  margin-top: 7px;
  color: var(--green-950);
  font-size: 0.91rem;
  font-weight: 600;
  line-height: 1.6;
}

.contact-card a {
  transition: color 0.2s ease;
}

.contact-card a:hover {
  color: var(--green-600);
}

.contact-main-grid {
  display: grid;
  margin-top: 26px;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 26px;
  align-items: start;
}

.contact-form-card {
  padding: 40px 40px 36px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.contact-form-card h2 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  letter-spacing: -0.03em;
}

.contact-form-card > p {
  margin-top: 10px;
  font-size: 0.84rem;
}

.contact-form {
  display: grid;
  margin-top: 27px;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.form-field--full {
  grid-column: 1 / -1;
}

.form-field label {
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 600;
}

.form-field label span {
  color: #c34d38;
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 12px 14px;
  color: var(--ink);
  background: #fbfdfb;
  border: 1px solid #dbe6de;
  border-radius: 10px;
  font-size: 0.86rem;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}

.form-field input {
  min-height: 49px;
}

.form-field textarea {
  min-height: 130px;
  resize: vertical;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: #a4b1a8;
}

.form-field input:hover,
.form-field textarea:hover {
  border-color: #b8cebf;
}

.form-field input:focus,
.form-field textarea:focus {
  background: #fff;
  border-color: var(--green-500);
  box-shadow: 0 0 0 4px rgba(61, 166, 107, 0.11);
  outline: 0;
}

.form-field.has-error input,
.form-field.has-error textarea {
  border-color: #c86b5b;
  box-shadow: 0 0 0 3px rgba(200, 107, 91, 0.08);
}

.field-error {
  min-height: 16px;
  color: #b64b38;
  font-size: 0.68rem;
  line-height: 1.4;
}

.form-footer {
  display: flex;
  grid-column: 1 / -1;
  margin-top: 2px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.form-footer small {
  max-width: 310px;
  color: #87968c;
  font-size: 0.67rem;
  line-height: 1.6;
}

.form-status {
  display: none;
  grid-column: 1 / -1;
  padding: 12px 15px;
  color: var(--green-800);
  background: var(--green-100);
  border: 1px solid #c5e1cd;
  border-radius: 9px;
  font-size: 0.8rem;
  line-height: 1.6;
}

.form-status.is-visible {
  display: block;
  animation: statusIn 0.3s ease both;
}

.form-status.is-error {
  color: #923e30;
  background: #fff1ee;
  border-color: #efc9c1;
}

@keyframes statusIn {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.contact-side {
  display: grid;
  gap: 18px;
}

.map-card {
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.map-card-image {
  position: relative;
  height: 265px;
  overflow: hidden;
}

.map-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.map-card-image::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(7, 38, 25, 0.2), transparent 45%);
  content: "";
}

.map-placeholder-label {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 5px 10px;
  color: var(--green-800);
  background: rgba(255, 255, 255, 0.88);
  border-radius: var(--radius-pill);
  font-size: 0.65rem;
  font-weight: 600;
  backdrop-filter: blur(7px);
}

.map-card-body {
  display: flex;
  padding: 19px 21px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.map-card-body strong {
  display: block;
  color: var(--green-900);
  font-size: 0.85rem;
}

.map-card-body span {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.7rem;
}

.map-card-body a {
  flex: 0 0 auto;
  color: var(--green-600);
  font-size: 0.73rem;
  font-weight: 700;
}

.qr-card {
  display: flex;
  padding: 22px;
  align-items: center;
  gap: 20px;
  background: var(--green-900);
  border-radius: var(--radius-md);
  color: #fff;
}

.qr-card img {
  width: 118px;
  height: 118px;
  padding: 7px;
  object-fit: contain;
  background: #fff;
  border-radius: 12px;
}

.qr-card h3 {
  color: #fff;
  font-size: 0.94rem;
}

.qr-card p {
  margin-top: 7px;
  color: rgba(231, 244, 234, 0.62);
  font-size: 0.73rem;
  line-height: 1.7;
}

.qr-card small {
  display: block;
  margin-top: 9px;
  color: var(--green-300);
  font-size: 0.62rem;
}

.faq-grid {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 70px;
  align-items: start;
}

.faq-heading h2 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.8vw, 2.9rem);
}

.faq-heading p {
  margin-top: 14px;
  font-size: 0.86rem;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  display: flex;
  padding: 20px 4px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--green-950);
  font-size: 0.9rem;
  font-weight: 600;
  list-style: none;
  cursor: pointer;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  display: grid;
  width: 25px;
  height: 25px;
  flex: 0 0 auto;
  place-items: center;
  color: var(--green-700);
  background: var(--green-100);
  border-radius: 50%;
  font-size: 1rem;
  font-weight: 400;
  content: "+";
  transition: transform 0.25s var(--ease);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item p {
  padding: 0 48px 20px 4px;
  font-size: 0.82rem;
  line-height: 1.85;
}

/* ---------- 12. 页脚 ---------- */
.site-footer {
  position: relative;
  overflow: hidden;
  padding: 78px 0 0;
  color: #fff;
  background:
    radial-gradient(circle at 10% 0%, rgba(72, 151, 99, 0.22), transparent 27%),
    var(--green-950);
}

.site-footer::before {
  position: absolute;
  right: -130px;
  bottom: 10px;
  width: 440px;
  height: 440px;
  border: 1px solid rgba(255, 255, 255, 0.055);
  border-radius: 50%;
  box-shadow:
    0 0 0 70px rgba(255, 255, 255, 0.017),
    0 0 0 140px rgba(255, 255, 255, 0.012);
  content: "";
}

.footer-grid {
  position: relative;
  z-index: 1;
  display: grid;
  padding-bottom: 62px;
  grid-template-columns: 1.55fr 0.72fr 0.85fr 1.1fr;
  gap: 50px;
}

.footer-brand .brand {
  margin-bottom: 20px;
}

.footer-brand .brand-text strong {
  color: #fff;
}

.footer-brand .brand-text small {
  color: rgba(231, 244, 234, 0.48);
}

.footer-brand > p {
  max-width: 310px;
  color: rgba(231, 244, 234, 0.58);
  font-size: 0.8rem;
  line-height: 1.85;
}

.footer-slogan {
  display: inline-flex;
  margin-top: 20px;
  align-items: center;
  gap: 9px;
  color: var(--green-300);
  font-size: 0.72rem;
  font-weight: 600;
}

.footer-slogan::before {
  width: 20px;
  height: 1px;
  background: currentColor;
  content: "";
}

.footer-col h2 {
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.footer-col ul {
  display: grid;
  gap: 11px;
}

.footer-col a,
.footer-col li {
  color: rgba(231, 244, 234, 0.55);
  font-size: 0.78rem;
  line-height: 1.6;
}

.footer-col a {
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--green-300);
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
}

.footer-contact li::before {
  flex: 0 0 auto;
  color: var(--green-300);
  content: "·";
}

.footer-contact a {
  color: rgba(231, 244, 234, 0.7);
}

.footer-bottom {
  position: relative;
  z-index: 1;
  display: flex;
  padding: 22px 0;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}

.footer-bottom p,
.footer-bottom a {
  color: rgba(231, 244, 234, 0.42);
  font-size: 0.67rem;
  line-height: 1.7;
}

.footer-bottom a {
  transition: color 0.2s ease;
}

.footer-bottom a:hover {
  color: var(--green-300);
}

.footer-legal {
  display: flex;
  gap: 20px;
}

/* ---------- 13. 返回顶部 ---------- */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 900;
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  color: #fff;
  background: var(--green-700);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  box-shadow: 0 12px 28px rgba(17, 72, 47, 0.22);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition:
    opacity 0.25s ease,
    visibility 0.25s ease,
    transform 0.25s var(--ease),
    background 0.2s ease;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--green-600);
  transform: translateY(-3px);
}

.back-to-top svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

/* ---------- 14. 响应式布局 ---------- */
@media (max-width: 1120px) {
  .primary-nav {
    gap: 20px;
  }

  .nav-link {
    padding-inline: 9px;
  }

  .nav-link::after {
    right: 9px;
    left: 9px;
  }

  .advantages-layout {
    gap: 45px;
  }

  .about-intro {
    gap: 55px;
  }

  .service-detail {
    gap: 46px;
  }

  .footer-grid {
    gap: 34px;
  }
}

@media (max-width: 980px) {
  :root {
    --header-height: 72px;
  }

  .section {
    padding: 88px 0;
  }

  .nav-toggle {
    display: block;
  }

  .primary-nav {
    position: fixed;
    top: var(--header-height);
    right: 0;
    left: 0;
    z-index: 999;
    display: block;
    max-height: calc(100svh - var(--header-height));
    padding: 18px 24px 28px;
    overflow-y: auto;
    background: rgba(255, 255, 255, 0.99);
    border-top: 1px solid var(--line);
    box-shadow: 0 20px 36px rgba(10, 41, 28, 0.14);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px);
    transition:
      opacity 0.25s ease,
      visibility 0.25s ease,
      transform 0.25s var(--ease);
  }

  .primary-nav.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-list {
    display: grid;
    gap: 2px;
  }

  .nav-link {
    padding: 14px 10px;
    font-size: 0.98rem;
    border-bottom: 1px solid #edf2ee;
  }

  .nav-link::after {
    display: none;
  }

  .nav-link.is-active {
    color: var(--green-600);
    background: var(--green-50);
    border-radius: 8px;
  }

  .nav-cta {
    margin-top: 18px;
  }

  .nav-cta .btn {
    width: 100%;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 38px;
  }

  .section-heading p {
    max-width: 650px;
  }

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

  .impact-intro {
    display: none;
  }

  .impact-item:first-of-type {
    padding-left: 0;
    border-left: 0;
  }

  .advantages-layout {
    grid-template-columns: 1fr;
    gap: 35px;
  }

  .advantages-quote {
    max-width: 740px;
  }

  .about-intro {
    grid-template-columns: 1fr;
    gap: 55px;
  }

  .about-visual {
    max-width: 590px;
  }

  .about-visual-frame {
    aspect-ratio: 1.18;
    border-radius: 130px 24px 24px 24px;
  }

  .purpose-grid,
  .contact-cards {
    grid-template-columns: 1fr;
  }

  .purpose-card {
    min-height: 215px;
  }

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

  .service-intro-grid {
    grid-template-columns: 1fr;
    gap: 55px;
  }

  .service-rings {
    width: min(420px, 86vw);
    margin-inline: auto;
  }

  .service-detail {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .service-detail.is-reverse .service-detail-media,
  .service-detail.is-reverse .service-detail-copy {
    order: initial;
  }

  .service-detail-media {
    aspect-ratio: 1.5;
  }

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

  .process-step::after {
    display: none;
  }

  .product-page-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-page-card:last-child {
    grid-column: 1 / -1;
    max-width: calc(50% - 12px);
    justify-self: center;
  }

  .application-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-main-grid {
    grid-template-columns: 1fr;
  }

  .contact-side {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: stretch;
  }

  .qr-card {
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
  }

  .faq-grid {
    grid-template-columns: 1fr;
    gap: 35px;
  }

  .footer-grid {
    grid-template-columns: 1.3fr 0.85fr 0.95fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .container {
    width: calc(100% - 32px);
  }

  .section {
    padding: 72px 0;
  }

  .section-tight {
    padding: 56px 0;
  }

  .brand img {
    width: 39px;
    height: 39px;
    border-radius: 12px;
  }

  .brand-text strong {
    font-size: 1.06rem;
  }

  .brand-text small {
    font-size: 0.5rem;
  }

  .hero {
    min-height: 790px;
  }

  .hero-slide {
    padding: calc(var(--header-height) + 68px) 0 128px;
    align-items: flex-start;
  }

  .hero h1 {
    margin-top: 20px;
    font-size: clamp(2.5rem, 10.4vw, 3.7rem);
    line-height: 1.17;
  }

  .hero-description {
    margin-top: 19px;
    font-size: 0.91rem;
  }

  .hero-actions {
    margin-top: 26px;
  }

  .hero-metrics {
    margin-top: 36px;
  }

  .hero-metric {
    min-width: 0;
    padding: 0 18px;
  }

  .hero-metric strong {
    font-size: 1.4rem;
  }

  .hero-metric span {
    font-size: 0.66rem;
  }

  .hero-side-note {
    display: none;
  }

  .hero-controls {
    bottom: 27px;
  }

  .hero-arrow {
    width: 42px;
    height: 42px;
  }

  .hero-dot {
    width: 28px;
  }

  .impact-grid {
    min-height: 112px;
  }

  .impact-item {
    padding: 22px 14px;
    text-align: center;
  }

  .impact-item strong {
    font-size: 1.65rem;
  }

  .business-grid,
  .product-grid,
  .product-page-grid {
    grid-template-columns: 1fr;
  }

  .products-heading-row {
    display: block;
  }

  .products-heading-row .section-heading {
    margin-bottom: 22px;
  }

  .business-card-media {
    aspect-ratio: 1.5;
  }

  .advantage-grid {
    gap: 12px;
  }

  .advantage-item {
    min-height: 215px;
    padding: 23px 20px;
  }

  .cta-section {
    padding-bottom: 72px;
  }

  .cta-panel {
    padding: 44px 27px;
    grid-template-columns: 1fr;
    gap: 28px;
    border-radius: 22px;
  }

  .cta-actions {
    justify-content: flex-start;
  }

  .page-hero {
    min-height: 400px;
    padding: calc(var(--header-height) + 81px) 0 58px;
  }

  .page-hero h1 {
    font-size: clamp(2.05rem, 9vw, 3.2rem);
  }

  .page-hero p {
    font-size: 0.91rem;
  }

  .about-visual-frame {
    border-radius: 90px 20px 20px 20px;
  }

  .about-year-card {
    right: 14px;
    bottom: 18px;
    width: 137px;
  }

  .about-facts {
    gap: 0;
  }

  .about-fact {
    padding: 0 10px;
  }

  .about-fact strong {
    font-size: 1.24rem;
  }

  .about-signature {
    align-items: flex-start;
    flex-direction: column;
  }

  .timeline::before {
    left: 8px;
  }

  .timeline-item {
    display: block;
    min-height: auto;
    padding-left: 36px;
  }

  .timeline-item::before {
    top: 9px;
    left: 8px;
  }

  .timeline-year,
  .timeline-item:nth-child(even) .timeline-year {
    padding: 0;
    font-size: 1.35rem;
    text-align: left;
  }

  .timeline-card,
  .timeline-item:nth-child(even) .timeline-card {
    margin: 8px 0 30px;
    padding: 20px;
    text-align: left;
  }

  .values-grid {
    grid-template-columns: 1fr;
  }

  .service-mini-list {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .service-mini {
    display: flex;
    padding-top: 12px;
    align-items: baseline;
    justify-content: space-between;
    gap: 15px;
  }

  .service-detail {
    padding: 43px 0;
  }

  .service-detail-media {
    aspect-ratio: 1.25;
    border-radius: 20px;
  }

  .service-detail-copy .check-list {
    grid-template-columns: 1fr;
  }

  .process-grid {
    grid-template-columns: 1fr;
  }

  .process-step {
    min-height: 170px;
  }

  .process-step h3 {
    margin-top: 22px;
  }

  .product-page-card:last-child {
    grid-column: auto;
    max-width: none;
  }

  .product-page-card .product-card-body {
    min-height: auto;
  }

  .application-strip {
    grid-template-columns: 1fr;
  }

  .modal {
    padding: 16px;
  }

  .modal-dialog {
    display: block;
    max-height: calc(100svh - 32px);
    border-radius: 20px;
  }

  .modal-media {
    min-height: 245px;
    max-height: 280px;
  }

  .modal-body {
    padding: 31px 23px 28px;
  }

  .modal-body h2 {
    font-size: 1.65rem;
  }

  .modal-specs {
    gap: 7px;
  }

  .contact-form-card {
    padding: 30px 22px 27px;
  }

  .contact-form {
    grid-template-columns: 1fr;
  }

  .form-field--full,
  .form-footer,
  .form-status {
    grid-column: auto;
  }

  .form-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .form-footer .btn {
    width: 100%;
  }

  .contact-side {
    grid-template-columns: 1fr;
  }

  .qr-card {
    flex-direction: row;
    align-items: center;
  }

  .faq-grid {
    gap: 28px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 34px 22px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-col:last-child {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .footer-legal {
    gap: 14px;
  }
}

@media (max-width: 520px) {
  .hero {
    min-height: 780px;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero-kicker {
    font-size: 0.66rem;
    letter-spacing: 0.04em;
  }

  .hero-actions .btn {
    flex: 1;
    min-width: 135px;
    padding-inline: 16px;
  }

  .hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

  .hero-metric {
    padding: 0 10px;
  }

  .hero-metric strong {
    font-size: 1.2rem;
  }

  .impact-item {
    padding-inline: 6px;
  }

  .impact-item strong {
    font-size: 1.42rem;
  }

  .impact-item span {
    font-size: 0.65rem;
  }

  .advantage-grid {
    grid-template-columns: 1fr;
  }

  .advantage-item {
    min-height: auto;
  }

  .business-card-body,
  .product-card-body {
    padding: 22px;
  }

  .cta-actions {
    flex-direction: column;
  }

  .cta-actions .btn {
    width: 100%;
  }

  .about-fact strong {
    font-size: 1.08rem;
  }

  .about-fact span {
    font-size: 0.65rem;
  }

  .contact-card {
    min-height: 138px;
    padding: 22px;
  }

  .qr-card {
    align-items: flex-start;
    flex-direction: column;
  }

  .modal-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .modal-actions .btn {
    width: 100%;
  }

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

  .footer-brand,
  .footer-col:last-child {
    grid-column: auto;
  }

  .back-to-top {
    right: 16px;
    bottom: 16px;
    width: 42px;
    height: 42px;
  }
}

/* ---------- 15. 减少动态效果偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .hero-slide-bg {
    transform: none !important;
  }
}

/* ---------- 16. 动态产品、新闻与表单补充样式 ---------- */
.empty-state {
  grid-column: 1 / -1;
  padding: 42px 24px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.72);
  border: 1px dashed #c9dccc;
  border-radius: var(--radius-md);
  text-align: center;
  font-size: 0.86rem;
}

.error-page {
  max-width: 680px;
  text-align: center;
}

.error-page p {
  margin-top: 18px;
}

.error-page-actions {
  margin-top: 30px;
}

.product-grid .empty-state,
.product-page-grid .empty-state {
  margin: 0;
}

.product-toolbar {
  display: flex;
  margin-bottom: 26px;
  padding: 14px 17px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
}

.product-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-chip {
  padding: 8px 15px;
  color: var(--muted);
  background: var(--green-50);
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-size: 0.76rem;
  font-weight: 600;
  transition:
    color 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease;
}

.filter-chip:hover {
  color: var(--green-700);
  border-color: var(--green-200);
}

.filter-chip.is-active {
  color: #fff;
  background: var(--green-700);
  border-color: var(--green-700);
}

.product-count {
  flex: 0 0 auto;
  color: #8b9a90;
  font-size: 0.72rem;
}

.form-field label small {
  color: #93a198;
  font-size: 0.68rem;
  font-weight: 400;
}

.modal-description {
  margin-top: 20px;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.85;
}

.modal-description p + p {
  margin-top: 11px;
}

/* 新闻列表 */
.news-list {
  display: grid;
  gap: 18px;
}

.news-card {
  display: grid;
  overflow: hidden;
  grid-template-columns: 132px minmax(0, 1fr);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 28px rgba(18, 61, 42, 0.04);
  transition:
    transform 0.28s var(--ease),
    box-shadow 0.28s ease;
}

.news-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.news-card.is-featured {
  background: linear-gradient(120deg, #fff 0%, #f5faf6 100%);
  border-color: #cfe3d3;
}

.news-card-date {
  display: flex;
  padding: 25px 16px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  background: var(--green-50);
  border-right: 1px solid var(--line);
}

.news-card.is-featured .news-card-date {
  color: #fff;
  background: var(--green-800);
  border-right-color: var(--green-800);
}

.news-card-date strong {
  font-family: var(--font-display);
  font-size: 2.7rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.04em;
}

.news-card-date span {
  margin-top: 7px;
  color: var(--muted);
  font-size: 0.67rem;
  letter-spacing: 0.08em;
}

.news-card.is-featured .news-card-date span {
  color: rgba(255, 255, 255, 0.64);
}

.news-card-body {
  padding: 29px 34px 28px;
}

.news-kicker {
  color: var(--green-600);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.news-card h3 {
  margin-top: 9px;
  font-family: var(--font-display);
  font-size: 1.38rem;
  letter-spacing: -0.025em;
}

.news-card p {
  max-width: 760px;
  margin-top: 10px;
  font-size: 0.84rem;
  line-height: 1.8;
}

.news-read-button {
  margin-top: 16px;
  padding: 0;
  color: var(--green-700);
  background: transparent;
  font-size: 0.76rem;
  font-weight: 700;
}

.news-read-button:hover {
  color: var(--green-600);
}

/* 新闻全文弹窗 */
.news-dialog {
  display: block;
  overflow: auto;
  width: min(790px, 100%);
  max-height: min(820px, calc(100svh - 56px));
  background: #fff;
}

.news-dialog-inner {
  padding: 58px 58px 42px;
}

.news-dialog h2 {
  max-width: 650px;
  margin-top: 10px;
  font-family: var(--font-display);
  font-size: 2.05rem;
  line-height: 1.3;
}

.news-dialog-date {
  margin-top: 13px;
  color: #8d9c92;
  font-size: 0.73rem;
  letter-spacing: 0.05em;
}

.news-dialog-summary {
  margin-top: 25px;
  padding: 16px 19px;
  color: var(--green-900);
  background: var(--green-50);
  border-left: 3px solid var(--green-500);
  font-size: 0.88rem;
  line-height: 1.8;
}

.news-dialog-content {
  margin-top: 26px;
  color: var(--ink-soft);
  font-size: 0.91rem;
  line-height: 2;
}

.news-dialog-content p + p {
  margin-top: 17px;
}

.news-dialog-actions {
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

@media (max-width: 760px) {
  .product-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .news-card {
    grid-template-columns: 1fr;
  }

  .news-card-date {
    padding: 13px 20px;
    align-items: baseline;
    justify-content: flex-start;
    flex-direction: row;
    gap: 8px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .news-card-date strong {
    font-size: 1.55rem;
  }

  .news-card-date span {
    margin-top: 0;
  }

  .news-card-body {
    padding: 23px 22px 24px;
  }

  .news-card h3 {
    font-size: 1.18rem;
  }

  .news-dialog-inner {
    padding: 44px 23px 28px;
  }

  .news-dialog h2 {
    font-size: 1.55rem;
  }
}