/* ============================================================
   M-NOVA 美诺华 · 官方网站设计系统
   亮色主题 / 品牌绿点缀 / 棱镜渐变细节
   ============================================================ */

/* ---------- 1. 设计令牌 ---------- */
:root {
  /* 品牌色 */
  --green-700: #0082EF;
  --green-600: #0082EF;
  --green-500: #0082EF;
  --green-100: #c9f0dd;
  --green-50: #e9f9f1;

  /* 品牌蓝色阶（蓝色强调区块使用，如工艺对比）
     注：--green-500/600/700 目前与 --blue-600 同值，属历史命名，后续可统一 */
  --blue-900: #1f4066;
  /* 深蓝：浅底上的强调文字 */
  --blue-700: #0069c9;
  /* 深：大数字渐变起点 */
  --blue-600: #0082ef;
  /* 主色 */
  --blue-500: #1690ff;
  /* 亮：渐变终点 */
  --blue-400: #8dc2f5;
  /* 浅：辅助点缀（箭头等） */
  --blue-100: #d3e5fb;
  /* 描边 */
  --blue-50: #eaf3fe;
  /* 浅底 */
  --blue-25: #f5faff;
  /* 极浅底 */
  --blue-600-rgb: 0, 130, 239;
  /* 供 rgba() 调透明度 */

  /* 语义色：删减 / 弱化 */
  --red-500: #e5484d;
  /* 删除线（"移除"语义） */
  --red-500-rgb: 229, 72, 77;
  --slate-500: #9aa7b4;
  /* 弱化文字 */
  --slate-100: #eef1f5;
  /* 弱化底 */

  /* 墨色（森林绿系，不使用黑色） */
  --ink-900: #173c2a;
  --ink-800: #1f4a35;
  --ink-700: #2f5c46;
  --ink-500: #54705f;
  --ink-400: #7c9184;
  --ink-300: #9aab9e;

  /* 表面 */
  --surface: #ffffff;
  --surface-2: #fffffff8;
  --surface-3: #ecf2eee7;
  --line: #e2eae5;
  --line-strong: #cfdbd3;

  /* 点缀 */
  --gold: #b98a2f;
  --prism: linear-gradient(100deg, #ff7a59 0%, #ffc44d 25%, #2fd891 50%, #3fa9f5 75%, #9b6bff 100%);

  /* 字体 */
  --font-display: "Noto Serif SC", "Songti SC", "STSong", serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-latin: "Sora", "Noto Sans SC", "PingFang SC", sans-serif;

  /* 字阶 */
  --fs-display: clamp(2.5rem, 1.6rem + 4.2vw, 4.5rem);
  --fs-h1: clamp(2rem, 1.4rem + 2.6vw, 3.25rem);
  --fs-h2: clamp(1.65rem, 1.25rem + 1.7vw, 2.5rem);
  --fs-h3: clamp(1.2rem, 1.05rem + 0.6vw, 1.5rem);
  --fs-body: clamp(0.95rem, 0.9rem + 0.2vw, 1.05rem);

  /* 间距（8pt 体系） */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-8: 32px;
  --sp-10: 40px;
  --sp-12: 48px;
  --sp-16: 64px;
  --sp-20: 80px;
  --sp-24: 96px;

  /* 圆角 */
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-xl: 32px;
  --r-pill: 999px;

  /* 阴影（绿调，克制） */
  --shadow-sm: 0 1px 2px rgba(23, 60, 42, 0.05), 0 2px 8px rgba(23, 60, 42, 0.05);
  --shadow-md: 0 2px 6px rgba(23, 60, 42, 0.06), 0 12px 28px rgba(23, 60, 42, 0.08);
  --shadow-lg: 0 4px 10px rgba(23, 60, 42, 0.07), 0 24px 56px rgba(23, 60, 42, 0.12);
  --shadow-green: 0 8px 24px rgba(0, 166, 100, 0.28);
  /* 品牌绿 */

  /* 动效 */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.4, 0.64, 1);
  --dur-fast: 160ms;
  --dur-med: 320ms;
  --dur-slow: 640ms;

  --nav-h: 76px;
  --container: 1240px;
}

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

* {
  margin: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--ink-500);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

img {
  height: auto;
}

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

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

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

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  color: var(--ink-900);
  font-weight: 700;
  line-height: 1.28;
}

::selection {
  background: var(--green-100);
  color: var(--ink-900);
}

:focus-visible {
  outline: 2px solid var(--green-600);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 3. 布局工具 ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(20px, 4.5vw, 48px);
}

.section {
  padding-block: clamp(72px, 9vw, 120px);
  position: relative;
}

.section--tint {
  background: var(--surface-2);
}

.section--ink {
  background: linear-gradient(180deg, var(--blue-100) 0%, var(--blue-50) 100%);
  color: var(--ink-500);
  overflow: hidden;
}

.section--ink::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(52% 62% at 85% 8%, rgba(23, 192, 122, 0.12), transparent 62%), radial-gradient(36% 46% at 4% 96%, rgba(63, 169, 245, 0.07), transparent 60%);
  pointer-events: none;
}

.section--ink h1,
.section--ink h2,
.section--ink h3,
.section--ink h4 {
  color: var(--ink-900);
}

.grid {
  display: grid;
  gap: var(--sp-6);
}

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

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

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid-6 {
  grid-template-columns: repeat(6, 1fr);
}

/* ---------- 4. 区块标题 ---------- */
.sec-head {
  max-width: 720px;
  margin-bottom: clamp(40px, 5vw, 64px);
}

.sec-head--center {
  margin-inline: auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-latin);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--green-700);
  margin-bottom: var(--sp-4);
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--green-600);
  border-radius: 2px;
}

.sec-head--center .eyebrow::after {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--green-600);
  border-radius: 2px;
}

.sec-title {
  font-size: var(--fs-h2);
  letter-spacing: 0.01em;
}

.sec-title em {
  font-style: normal;
  color: var(--green-600);
}

.sec-desc {
  margin-top: var(--sp-4);
  max-width: 56ch;
}

.sec-head--center .sec-desc {
  margin-inline: auto;
}

/* ---------- 5. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 28px;
  border-radius: var(--r-pill);
  font-weight: 600;
  font-size: 0.98rem;
  letter-spacing: 0.02em;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out),
    background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out);
  will-change: transform;
}

.btn:active {
  transform: translateY(1px) scale(0.98);
}

.btn .btn-arrow {
  transition: transform var(--dur-med) var(--ease-spring);
}

.btn:hover .btn-arrow {
  transform: translateX(4px);
}

.btn--primary {
  background: var(--green-600);
  color: #fff;
  /* box-shadow: var(--shadow-green); */
}

.btn--primary:hover {
  background: var(--green-500);
  transform: translateY(-2px);
}

.btn--ghost {
  border: 1.5px solid var(--line-strong);
  color: var(--ink-700);
  background: rgba(255, 255, 255, 0.7);
}

.btn--ghost:hover {
  border-color: var(--green-600);
  color: var(--green-700);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.btn--light {
  background: #fff;
  color: var(--ink-900);
  border: 1px solid var(--line);
}

.btn--light:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--green-100);
}

.btn--outline-light {
  border: 1.5px solid var(--green-600);
  color: var(--green-700);
  background: transparent;
}

.btn--outline-light:hover {
  background: var(--green-600);
  color: #fff;
  transform: translateY(-2px);
}

.btn--sm {
  min-height: 40px;
  padding: 0 20px;
  font-size: 0.9rem;
}

/* ---------- 6. 导航 ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background var(--dur-med) var(--ease-out), box-shadow var(--dur-med) var(--ease-out),
    backdrop-filter var(--dur-med) var(--ease-out);
}

.nav.is-scrolled {
  background: rgba(255, 255, 255, 0.82);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  backdrop-filter: blur(16px) saturate(1.4);
  box-shadow: 0 1px 0 var(--line), 0 8px 24px rgba(23, 60, 42, 0.05);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
  width: 100%;
}

.nav__logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink-900);
}

.nav__logo-mark {
  width: 40px;
  height: 40px;
  flex: none;
}

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

.nav__logo-text b {
  font-family: var(--font-latin);
  font-weight: 700;
  font-size: 1.18rem;
  letter-spacing: 0.01em;
}

.nav__logo-text span {
  font-size: 0.72rem;
  color: var(--ink-400);
  letter-spacing: 0.28em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 40px);
}

.nav__link {
  position: relative;
  padding: 8px 2px;
  font-weight: 500;
  color: var(--ink-700);
  font-size: 0.98rem;
  transition: color var(--dur-fast);
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--green-600);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-med) var(--ease-out);
}

.nav__link:hover {
  color: var(--green-700);
}

.nav__link:hover::after {
  transform: scaleX(1);
}

.nav__link.is-active {
  color: var(--green-700);
  font-weight: 600;
}

.nav__link.is-active::after {
  transform: scaleX(1);
}

.nav__cta {
  flex: none;
}

.nav__burger {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  position: relative;
  z-index: 130;
}

.nav__burger span {
  position: absolute;
  left: 11px;
  right: 11px;
  height: 2px;
  background: var(--ink-900);
  border-radius: 2px;
  transition: transform var(--dur-med) var(--ease-out), opacity var(--dur-fast), top var(--dur-med) var(--ease-out);
}

.nav__burger span:nth-child(1) {
  top: 16px;
}

.nav__burger span:nth-child(2) {
  top: 22px;
}

.nav__burger span:nth-child(3) {
  top: 28px;
}

.nav__burger.is-open span:nth-child(1) {
  top: 22px;
  transform: rotate(45deg);
}

.nav__burger.is-open span:nth-child(2) {
  opacity: 0;
}

.nav__burger.is-open span:nth-child(3) {
  top: 22px;
  transform: rotate(-45deg);
}

.drawer {
  position: fixed;
  inset: 0;
  z-index: 120;
  background: rgba(255, 255, 255, 0.96);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur-med) var(--ease-out), visibility var(--dur-med);
}

.drawer.is-open {
  opacity: 1;
  visibility: visible;
}

.drawer__head {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  padding-inline: clamp(20px, 4.5vw, 48px);
  border-bottom: 1px solid var(--line);
}

.drawer__close {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: var(--ink-700);
  transition: background var(--dur-fast), color var(--dur-fast);
}

.drawer__close:hover {
  background: var(--surface-3);
  color: var(--green-600);
}

.drawer__close svg {
  width: 22px;
  height: 22px;
}

.drawer__nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow-y: auto;
  padding-inline: clamp(28px, 8vw, 64px);
}

.drawer__link {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 6vw, 2.6rem);
  font-weight: 700;
  color: var(--ink-900);
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: baseline;
  gap: 16px;
  transform: translateY(20px);
  opacity: 0;
  transition: transform var(--dur-slow) var(--ease-out), opacity var(--dur-slow) var(--ease-out), color var(--dur-fast);
}

.drawer.is-open .drawer__link {
  transform: translateY(0);
  opacity: 1;
}

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

.drawer__link small {
  font-family: var(--font-latin);
  font-size: 0.75rem;
  color: var(--ink-300);
  letter-spacing: 0.2em;
}

.drawer__foot {
  flex: none;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--sp-5);
  padding-inline: clamp(28px, 8vw, 64px);
  padding-bottom: clamp(28px, 6vw, 48px);
  transform: translateY(20px);
  opacity: 0;
  transition: transform var(--dur-slow) var(--ease-out) 240ms, opacity var(--dur-slow) var(--ease-out) 240ms;
}

.drawer.is-open .drawer__foot {
  transform: translateY(0);
  opacity: 1;
}

/* ---------- 6.5 语言切换器 ---------- */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  background: #fff;
  flex: none;
}

.lang-switch button {
  min-height: 30px;
  padding: 0 11px;
  border-radius: var(--r-pill);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink-400);
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}

.lang-switch button:hover {
  color: var(--green-700);
}

.lang-switch button.is-active {
  background: var(--green-600);
  color: #fff;
}

/* 移动端：语言切换器默认显示在头部，靠右紧贴菜单按钮 */
@media (max-width: 960px) {
  .nav .lang-switch {
    margin-left: auto;
  }

  .nav .lang-switch button {
    min-height: 28px;
    padding: 0 9px;
    font-size: 0.75rem;
  }
}

/* ---------- 7. 首屏 Hero ---------- */
.hero {
  position: relative;
  padding-top: calc(var(--nav-h) + clamp(40px, 7vw, 84px));
  padding-bottom: clamp(64px, 8vw, 110px);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(52% 46% at 88% 12%, rgba(23, 192, 122, 0.10), transparent 62%),
    radial-gradient(42% 40% at 6% 88%, rgba(63, 169, 245, 0.07), transparent 60%),
    linear-gradient(180deg, var(--surface-2) 0%, var(--surface) 100%);
}

.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px 8px 10px;
  border-radius: var(--r-pill);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink-700);
  margin-bottom: var(--sp-6);
}

.hero__badge i {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--prism);
  flex: none;
}

.hero__title {
  font-size: var(--fs-display);
  letter-spacing: 0.01em;
}

.hero__title .hl {
  position: relative;
  display: inline-block;
  color: var(--green-600);
  white-space: nowrap;
}



.hero__sub {
  margin-top: var(--sp-6);
  max-width: 46ch;
  font-size: clamp(1rem, 0.95rem + 0.3vw, 1.15rem);
}

.hero__actions {
  margin-top: var(--sp-8);
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
}

.hero__stats {
  margin-top: clamp(36px, 5vw, 56px);
  display: grid;
  grid-template-columns: repeat(4, auto);
  gap: clamp(20px, 3vw, 48px);
  justify-content: start;
}

.hero__stat b {
  display: block;
  font-family: var(--font-latin);
  font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.4rem);
  font-weight: 700;
  color: var(--ink-900);
  line-height: 1.1;
}

.hero__stat b sup {
  font-size: 0.55em;
  color: var(--green-600);
  margin-left: 2px;
}

.hero__stat span {
  font-size: 0.85rem;
  color: var(--ink-400);
}

.hero__visual {
  position: relative;
}

.hero__frame {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transform: rotate(1.5deg);
  transition: transform var(--dur-slow) var(--ease-out);
}

.hero__frame:hover {
  transform: rotate(0deg) scale(1.01);
  /* 悬浮显示手指 */
  cursor: pointer;
}

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

.hero__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(255, 255, 255, 0.12), transparent 40%);
  pointer-events: none;
}

/* 首屏轮播 */
.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.9s var(--ease-out);
}

.hero__slide:first-child {
  position: relative;
  /* 撑起容器高度 */
}

.hero__slide.is-active {
  opacity: 1;
  z-index: 1;
}

.hero__slide img {
  height: 100%;
  transform: scale(1.05);
  transition: transform 4.5s linear;
}

.hero__slide.is-active img {
  transform: scale(1);
}

.hero__dots {
  position: absolute;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 2;
}

.hero__dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.55);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.18);
  transition: width var(--dur-med) var(--ease-out), background var(--dur-med);
}

.hero__dot:hover {
  background: rgba(255, 255, 255, 0.85);
}

.hero__dot.is-active {
  width: 22px;
  background: #fff;
}

.hero__chip {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.9);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-md);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-800);
  animation: float 5.5s ease-in-out infinite;
}

.hero__chip i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green-500);
  flex: none;
}

.hero__chip--1 {
  top: 8%;
  left: -6%;
  animation-delay: 0s;
}

.hero__chip--2 {
  bottom: 26%;
  right: -7%;
  animation-delay: 1.6s;
}

.hero__chip--3 {
  bottom: -5%;
  left: 12%;
  animation-delay: 3s;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-12px);
  }
}

/* ---------- 7.5 首屏齿轮动画背景（自行车牙盘） ---------- */
.hero__gears {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.gear {
  position: absolute;
  color: var(--green-600);
  will-change: transform;
}

.gear--a {
  width: clamp(300px, 32vw, 460px);
  height: clamp(300px, 32vw, 460px);
  right: -6%;
  top: -14%;
  opacity: 0.13;
  animation: gear-spin 90s linear infinite;
}

.gear--b {
  width: clamp(180px, 20vw, 280px);
  height: clamp(180px, 20vw, 280px);
  right: 21%;
  top: 22%;
  opacity: 0.10;
  animation: gear-spin-rev 58s linear infinite;
}

.gear--c {
  width: clamp(100px, 11vw, 160px);
  height: clamp(100px, 11vw, 160px);
  right: 40%;
  bottom: 9%;
  opacity: 0.15;
  color: var(--green-500);
  animation: gear-spin 36s linear infinite;
}

@keyframes gear-spin {
  to {
    transform: rotate(1turn);
  }
}

@keyframes gear-spin-rev {
  to {
    transform: rotate(-1turn);
  }
}

@media (max-width: 960px) {

  .gear--b,
  .gear--c {
    display: none;
  }

  .gear--a {
    right: -20%;
    top: -9%;
    opacity: 0.09;
  }
}

/* ---------- 8. 滚动跑马灯 ---------- */
.marquee {
  border-block: 1px solid var(--line);
  padding-block: 18px;
  overflow: hidden;
  background: #fff;
}

.marquee__track {
  display: flex;
  gap: 56px;
  width: max-content;
  animation: marquee 36s linear infinite;
}

.marquee:hover .marquee__track {
  animation-play-state: paused;
}

.marquee__item {
  display: inline-flex;
  align-items: center;
  gap: 56px;
  font-family: var(--font-latin);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--ink-400);
  white-space: nowrap;
}

.marquee__item::after {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green-500);
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

/* ---------- 9. 优势卡片 ---------- */
.adv-card {
  position: relative;
  padding: clamp(24px, 2.6vw, 36px);
  border-radius: var(--r-lg);
  background: #fff;
  border: 1px solid var(--line);
  transition: transform var(--dur-med) var(--ease-out), box-shadow var(--dur-med) var(--ease-out), border-color var(--dur-med) var(--ease-out);
  overflow: hidden;
}

.adv-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--prism);
  opacity: 0;
  transition: opacity var(--dur-med);
}

.adv-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--green-100);
}

.adv-card:hover::before {
  opacity: 1;
}

.adv-card__icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: var(--green-50);
  color: var(--green-700);
  margin-bottom: var(--sp-5);
  transition: transform var(--dur-med) var(--ease-spring), background var(--dur-med), color var(--dur-med);
}

.adv-card:hover .adv-card__icon {
  transform: scale(1.08) rotate(-4deg);
  background: var(--green-600);
  color: #fff;
}

.adv-card__icon svg {
  width: 26px;
  height: 26px;
}

.adv-card h3 {
  font-size: var(--fs-h3);
  margin-bottom: var(--sp-2);
}

.adv-card p {
  font-size: 0.94rem;
}

.adv-card__en {
  position: absolute;
  top: 26px;
  right: 26px;
  font-family: var(--font-latin);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--ink-300);
  text-transform: uppercase;
}

/* ---------- 10. 产品系列卡（首页） ---------- */
.series-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--sp-5);
}

.series-card {
  position: relative;
  grid-column: span 2;
  border-radius: var(--r-lg);
  overflow: hidden;
  aspect-ratio: 4 / 4.6;
  background: var(--surface-3);
  isolation: isolate;
  transition: transform var(--dur-med) var(--ease-out), box-shadow var(--dur-med) var(--ease-out);
}

.series-card--wide {
  grid-column: span 3;
  aspect-ratio: auto;
}

.series-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.series-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-out);
  z-index: -1;
}

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

.series-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(185deg, rgba(23, 60, 42, 0) 34%, rgba(23, 60, 42, 0.85) 92%);
  z-index: -1;
  transition: opacity var(--dur-med);
}

.series-card__body {
  position: absolute;
  inset: auto 0 0 0;
  padding: clamp(20px, 2.2vw, 30px);
  color: #eafaf2;
}

.series-card__tag {
  display: inline-block;
  padding: 5px 12px;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.16);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  margin-bottom: var(--sp-3);
}

.series-card__tag--new {
  background: var(--green-600);
  color: #fff;
}

.series-card h3 {
  color: #fff;
  font-size: clamp(1.2rem, 1.05rem + 0.7vw, 1.55rem);
}

.series-card p {
  font-size: 0.88rem;
  color: rgba(234, 250, 242, 0.78);
  margin-top: 6px;
}

.series-card__more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: var(--sp-4);
  font-size: 0.88rem;
  font-weight: 600;
  color: #9fe8c6;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--dur-med), transform var(--dur-med) var(--ease-out);
}

.series-card:hover .series-card__more {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 11. 工艺对比 ---------- */
.process-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 3vw, 48px);
  align-items: start;
}

.process-col {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(24px, 2.6vw, 36px);
}

.process-col--win {
  border-color: rgba(var(--blue-600-rgb), 0.5);
  background: linear-gradient(180deg, var(--blue-25) 0%, #ffffff 60%);
  box-shadow: 0 0 0 1px rgba(var(--blue-600-rgb), 0.5), 0 16px 36px rgba(var(--blue-600-rgb), 0.12);
  position: relative;
}

.process-col__badge {
  position: absolute;
  top: -14px;
  right: 24px;
  padding: 6px 16px;
  border-radius: var(--r-pill);
  background: linear-gradient(135deg, var(--blue-500), var(--blue-600));
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  box-shadow: 0 6px 16px rgba(var(--blue-600-rgb), 0.32);
}

.process-col h3 {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  font-size: var(--fs-h3);
  margin-bottom: var(--sp-5);
}

.process-col h3 small {
  font-family: var(--font-latin);
  font-size: 0.8rem;
  color: var(--ink-400);
  font-weight: 500;
}

.step {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 11px 14px;
  border-radius: 12px;
  font-size: 0.94rem;
  color: var(--ink-700);
}

.step+.step {
  margin-top: 6px;
}

.step i {
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-style: normal;
  font-family: var(--font-latin);
  font-size: 0.78rem;
  font-weight: 700;
  background: var(--surface-3);
  color: var(--ink-500);
}

.step--keep {
  background: var(--blue-50);
  color: var(--blue-900);
}

.step--keep i {
  background: var(--blue-600);
  color: #fff;
  box-shadow: 0 2px 6px rgba(var(--blue-600-rgb), 0.28);
}

.step--cut {
  color: var(--slate-500);
  text-decoration: line-through;
  text-decoration-color: rgba(var(--red-500-rgb), 0.55);
  text-decoration-thickness: 1.5px;
}

.step--cut i {
  background: var(--slate-100);
  color: var(--slate-500);
}

.process-save {
  margin-top: var(--sp-8);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(16px, 2vw, 28px);
  padding: clamp(20px, 2.4vw, 32px);
  border-radius: var(--r-lg);
  background: linear-gradient(120deg, var(--blue-50) 0%, var(--blue-25) 100%);
  border: 1px solid var(--blue-100);
  color: var(--ink-500);
  text-align: center;
}

.process-save b {
  font-family: var(--font-latin);
  font-size: clamp(2.2rem, 1.6rem + 2.6vw, 3.4rem);
  font-weight: 700;
  line-height: 1;
  background: linear-gradient(120deg, var(--blue-700), var(--blue-500));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.process-save b em {
  font-style: normal;
  color: var(--blue-400);
}

.process-save span {
  font-size: 0.9rem;
  color: var(--ink-500);
  max-width: 36ch;
  text-align: left;
}

/* ---------- 12. 案例 ---------- */
.case-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(28px, 4vw, 64px);
  align-items: center;
}

.case-visual {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--line);
  background: #fff;
}

.case-visual img {
  width: 100%;
}

.case-visual__cap {
  position: absolute;
  left: 16px;
  bottom: 16px;
  padding: 8px 16px;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink-700);
  font-size: 0.82rem;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  box-shadow: var(--shadow-sm);
}

.case-list li {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px dashed var(--line-strong);
}

.case-list li:last-child {
  border-bottom: 0;
}

.case-list i {
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--green-50);
  color: var(--green-700);
  display: grid;
  place-items: center;
  font-style: normal;
}

.case-list b {
  display: block;
  color: var(--ink-900);
  font-weight: 600;
  margin-bottom: 2px;
}

.case-list span {
  font-size: 0.9rem;
}

/* ---------- 13. 集团/工厂 ---------- */
.org-card {
  position: relative;
  padding: clamp(24px, 2.4vw, 34px);
  border-radius: var(--r-lg);
  background: #fff;
  border: 1px solid var(--line);
  transition: transform var(--dur-med) var(--ease-out), box-shadow var(--dur-med), border-color var(--dur-med);
  overflow: hidden;
}

.org-card:hover {
  transform: translateY(-5px);
  border-color: rgba(var(--blue-600-rgb), 0.35);
  box-shadow: 0 16px 36px rgba(var(--blue-600-rgb), 0.12);
}

.org-card__no {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--r-pill);
  background: var(--blue-50);
  font-family: var(--font-latin);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--blue-600);
  transition: background var(--dur-med) var(--ease-out), color var(--dur-med);
}

.org-card:hover .org-card__no {
  background: var(--blue-600);
  color: #fff;
}

.org-card h3 {
  margin-top: var(--sp-3);
  font-size: var(--fs-h3);
  transition: color var(--dur-med);
}

.org-card:hover h3 {
  color: var(--blue-900);
}

.org-card p {
  margin-top: var(--sp-2);
  font-size: 0.92rem;
}

.org-card::after {
  content: "";
  position: absolute;
  right: -30px;
  bottom: -30px;
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: var(--blue-50);
  transition: transform var(--dur-slow) var(--ease-out), background var(--dur-slow);
  z-index: 0;
}

.org-card:hover::after {
  transform: scale(1.5);
  background: var(--blue-100);
}

.org-card>* {
  position: relative;
  z-index: 1;
}

.gallery-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: var(--sp-8);
}

.gallery-tab {
  padding: 10px 22px;
  border-radius: var(--r-pill);
  border: 1.5px solid var(--line-strong);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-500);
  transition: all var(--dur-fast) var(--ease-out);
  background: #fff;
}

.gallery-tab:hover {
  border-color: var(--blue-600);
  color: var(--blue-600);
  background: var(--blue-25);
  transform: translateY(-1px);
}

.gallery-tab.is-active {
  background: linear-gradient(135deg, var(--blue-500), var(--blue-600));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 6px 16px rgba(var(--blue-600-rgb), 0.28);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}

.gallery-grid__item {
  position: relative;
  border-radius: var(--r-md);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  cursor: zoom-in;
  background: var(--blue-50);
  transition: box-shadow var(--dur-med);
}

.gallery-grid__item:hover {
  box-shadow: 0 12px 28px rgba(var(--blue-600-rgb), 0.14);
}

.gallery-grid__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-out);
}

.gallery-grid__item:hover img {
  transform: scale(1.05);
}

.gallery-grid__item span {
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 5px 12px;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink-700);
  font-size: 0.78rem;
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  box-shadow: var(--shadow-sm);
  transition: background var(--dur-med) var(--ease-out), color var(--dur-med);
}

.gallery-grid__item:hover span {
  background: var(--blue-600);
  color: #fff;
}

.gallery-grid__item.is-hidden {
  display: none;
}

/* ---------- 14. 文化 ---------- */
.culture-quote {
  max-width: 880px;
  margin-inline: auto;
  text-align: center;
}

.culture-quote blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 1.1rem + 1.8vw, 2.3rem);
  line-height: 1.6;
  color: var(--ink-900);
  font-weight: 600;
}

.culture-quote blockquote em {
  font-style: normal;
  color: var(--green-600);
}

.culture-quote cite {
  display: block;
  margin-top: var(--sp-6);
  font-style: normal;
  font-size: 0.9rem;
  letter-spacing: 0.24em;
  color: var(--ink-400);
}

.culture-grid {
  margin-top: clamp(40px, 5vw, 64px);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-5);
}

.culture-item {
  position: relative;
  border-radius: var(--r-md);
  overflow: hidden;
  aspect-ratio: 3 / 3.6;
}

.culture-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-out);
}

.culture-item:hover img {
  transform: scale(1.06);
}

.culture-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(185deg, transparent 55%, rgba(23, 60, 42, 0.8));
}

.culture-item span {
  position: absolute;
  left: 16px;
  bottom: 14px;
  z-index: 1;
  color: #fff;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.culture-item small {
  position: absolute;
  left: 16px;
  bottom: 38px;
  z-index: 1;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  font-family: var(--font-latin);
}

/* ---------- 15. 产品中心 ---------- */
.page-hero {
  padding-top: calc(var(--nav-h) + clamp(48px, 7vw, 88px));
  padding-bottom: clamp(40px, 5vw, 64px);
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(46% 60% at 90% 0%, rgba(23, 192, 122, 0.10), transparent 62%);
  pointer-events: none;
}

.page-hero h1 {
  font-size: var(--fs-h1);
}

.page-hero .sec-desc {
  margin-top: var(--sp-4);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--ink-400);
  margin-bottom: var(--sp-5);
}

.breadcrumb a:hover {
  color: var(--green-700);
}

.breadcrumb i {
  font-style: normal;
  color: var(--line-strong);
}

.filter-bar {
  position: sticky;
  top: var(--nav-h);
  z-index: 40;
  background: rgba(255, 255, 255, 0.88);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  padding-block: 14px;
  border-bottom: 1px solid var(--line);
  margin-bottom: var(--sp-10);
}

.filter-bar__inner {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: none;
}

.filter-bar__inner::-webkit-scrollbar {
  display: none;
}

/* 筛选按钮保持自然宽度，防止窄屏被压缩成竖排 */
.filter-bar__inner .gallery-tab {
  flex: none;
  white-space: nowrap;
}

.filter-count {
  margin-left: auto;
  flex: none;
  font-family: var(--font-latin);
  font-size: 0.85rem;
  color: var(--ink-400);
}

.filter-count b {
  color: var(--green-700);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
}

.product-card {
  border-radius: var(--r-lg);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  transition: transform var(--dur-med) var(--ease-out), box-shadow var(--dur-med) var(--ease-out), opacity var(--dur-med);
  cursor: zoom-in;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

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

.product-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-out);
}

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

.product-card__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 5px 12px;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.92);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ink-800);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

.product-card__badge--new {
  background: var(--green-600);
  color: #fff;
}

.product-card__body {
  padding: 20px 22px 24px;
}

.product-card__series {
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--green-700);
  font-weight: 600;
}

.product-card h3 {
  margin-top: 6px;
  font-size: 1.14rem;
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

.product-card h3 small {
  font-family: var(--font-latin);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--ink-400);
  letter-spacing: 0.04em;
}

.product-card p {
  margin-top: 8px;
  font-size: 0.88rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card__tags {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.product-card__tags span {
  padding: 4px 10px;
  border-radius: var(--r-pill);
  background: var(--surface-2);
  border: 1px solid var(--line);
  font-size: 0.74rem;
  color: var(--ink-500);
}

.product-card.is-hidden {
  display: none;
}

.product-empty {
  display: none;
  padding: var(--sp-20) 0;
  text-align: center;
  color: var(--ink-400);
}

.product-empty.is-show {
  display: block;
}

/* ---------- 16. 灯箱 ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: clamp(16px, 4vw, 48px);
  /* background: rgba(221, 233, 241, 0.92); */
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur-med), visibility var(--dur-med);
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox__panel {
  position: relative;
  max-width: 980px;
  width: 100%;
  max-height: 88vh;
  overflow: auto;
  background: #fff;
  border-radius: var(--r-lg);
  transform: translateY(24px) scale(0.98);
  transition: transform var(--dur-med) var(--ease-out);
}

.lightbox.is-open .lightbox__panel {
  transform: translateY(0) scale(1);
}

.lightbox__media {
  background: var(--surface-3);
  display: grid;
  place-items: center;
}

.lightbox__media img {
  width: 100%;
  max-height: 62vh;
  object-fit: contain;
}

.lightbox__body {
  padding: clamp(20px, 3vw, 32px);
}

.lightbox__body h3 {
  font-size: var(--fs-h3);
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.lightbox__body h3 small {
  font-family: var(--font-latin);
  font-size: 0.8rem;
  color: var(--ink-400);
  font-weight: 500;
}

.lightbox__body p {
  margin-top: 10px;
  font-size: 0.95rem;
}

.lightbox__close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink-900);
  font-size: 1.2rem;
  display: grid;
  place-items: center;
  transition: transform var(--dur-fast);
  box-shadow: var(--shadow-sm);
}

.lightbox__close:hover {
  transform: rotate(90deg);
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink-900);
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-sm);
  transition: background var(--dur-fast);
}

.lightbox__nav:hover {
  background: #fff;
}

.lightbox__nav--prev {
  left: 14px;
}

.lightbox__nav--next {
  right: 14px;
}

/* ---------- 17. 表单 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(28px, 4vw, 72px);
  align-items: start;
}

.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  padding: clamp(26px, 3vw, 44px);
  box-shadow: var(--shadow-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-5);
}

.field {
  margin-bottom: var(--sp-5);
}

.field label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-700);
  margin-bottom: 8px;
}

.field label i {
  font-style: normal;
  color: #d64545;
  margin-left: 2px;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  min-height: 50px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1.5px solid var(--line-strong);
  background: var(--surface-2);
  transition: border-color var(--dur-fast), background var(--dur-fast), box-shadow var(--dur-fast);
}

.field textarea {
  min-height: 128px;
  resize: vertical;
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--ink-300);
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--green-600);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(0, 166, 100, 0.12);
}

.field.has-error input,
.field.has-error textarea {
  border-color: #d64545;
  background: #fff8f8;
}

.field__err {
  display: none;
  margin-top: 6px;
  font-size: 0.8rem;
  color: #d64545;
}

.field.has-error .field__err {
  display: block;
}

.form-ok {
  display: none;
  text-align: center;
  padding: var(--sp-12) var(--sp-6);
}

.form-ok.is-show {
  display: block;
}

.form-ok__icon {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--sp-5);
  border-radius: 50%;
  background: var(--green-50);
  color: var(--green-600);
  display: grid;
  place-items: center;
  animation: pop var(--dur-slow) var(--ease-spring);
}

@keyframes pop {
  0% {
    transform: scale(0.4);
    opacity: 0;
  }

  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.contact-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(22px, 2.4vw, 30px);
  display: flex;
  gap: 18px;
  align-items: flex-start;
  transition: transform var(--dur-med) var(--ease-out), box-shadow var(--dur-med);
}

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

.contact-card__icon {
  flex: none;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--green-50);
  color: var(--green-700);
  display: grid;
  place-items: center;
}

.contact-card h3 {
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.contact-card p {
  font-size: 0.9rem;
}

.qr-card {
  text-align: center;
}

.qr-card img {
  width: 100%;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
}

/* ---------- 18. CTA 横幅 ---------- */
.cta-band {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  background: linear-gradient(135deg, #e7f6ee 0%, #f4faf6 58%, #ffffff 100%);
  border: 1px solid var(--green-100);
  color: var(--ink-500);
  padding: clamp(44px, 6vw, 88px) clamp(28px, 5vw, 80px);
  isolation: isolate;
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(56% 86% at 88% 12%, rgba(23, 192, 122, 0.16), transparent 60%), radial-gradient(38% 58% at 6% 92%, rgba(63, 169, 245, 0.08), transparent 60%);
  z-index: -1;
}


.cta-band h2 {
  color: var(--ink-900);
  font-size: var(--fs-h2);
  max-width: 18ch;
}

.cta-band p {
  margin-top: var(--sp-4);
  max-width: 52ch;
  color: var(--ink-500);
}

.cta-band__actions {
  margin-top: var(--sp-8);
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
}

/* ---------- 19. 页脚 ---------- */
.footer {
  background: var(--surface-2);
  border-top: 1px solid var(--line);
  color: var(--ink-500);
  padding: clamp(56px, 7vw, 88px) 0 var(--sp-8);
}

.footer a {
  transition: color var(--dur-fast);
}

.footer a:hover {
  color: var(--green-700);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
  gap: clamp(28px, 4vw, 64px);
  padding-bottom: var(--sp-12);
  border-bottom: 1px solid var(--line);
}

.footer__brand b {
  font-family: var(--font-latin);
  font-size: 1.4rem;
  color: var(--ink-900);
}

.footer__brand p {
  margin-top: var(--sp-4);
  font-size: 0.9rem;
  max-width: 34ch;
}

.footer__slogan {
  margin-top: var(--sp-5);
  display: inline-block;
  padding: 8px 16px;
  background: #fff;
  border: 1px solid var(--green-100);
  border-radius: var(--r-pill);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--green-700);
}

.footer h4 {
  color: var(--ink-900);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: var(--sp-5);
}

.footer__links li {
  margin-bottom: 12px;
  font-size: 0.92rem;
}

.footer__contact li {
  display: flex;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 0.9rem;
}

.footer__contact svg {
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  color: var(--green-600);
}

.footer__bottom {
  padding-top: var(--sp-8);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--ink-400);
}

/* ---------- 20. 滚动显现动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
  transition-delay: var(--d, 0ms);
  will-change: opacity, transform;
}

.reveal.is-in {
  opacity: 1;
  transform: translateY(0);
}

.reveal--left {
  transform: translateX(-32px);
}

.reveal--right {
  transform: translateX(32px);
}

.reveal--left.is-in,
.reveal--right.is-in {
  transform: translateX(0);
}

@keyframes heroIn {
  from {
    opacity: 0;
    transform: translateY(34px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero .anim {
  opacity: 0;
  animation: heroIn 0.9s var(--ease-out) forwards;
  animation-delay: var(--d, 0ms);
}

/* ---------- 21. 响应式 ---------- */
@media (max-width: 1080px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-6,
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

  .series-card,
  .series-card--wide {
    grid-column: span 1;
    aspect-ratio: 4 / 4.2;
  }

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

@media (max-width: 960px) {

  .nav__links,
  .nav__cta {
    display: none;
  }

  .nav__burger {
    display: block;
  }

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

  .hero__visual {
    order: -1;
    margin-bottom: var(--sp-4);
  }

  .hero__frame {
    transform: none;
  }

  .hero__chip--1 {
    left: 2%;
  }

  .hero__chip--2 {
    right: 2%;
  }

  .hero__stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sp-6);
  }

  .process-wrap,
  .case-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .filter-bar {
    top: calc(var(--nav-h) - 1px);
    padding-block: 10px;
  }

  /* 移动端筛选栏：横向滑动，首尾与页面内容对齐 */
  .filter-bar .container {
    padding-inline: 0;
  }

  .filter-bar__inner {
    gap: 8px;
    padding-inline: clamp(20px, 4.5vw, 48px);
    scroll-padding-inline: clamp(20px, 4.5vw, 48px);
  }

  .filter-bar__inner .gallery-tab {
    padding: 8px 18px;
    font-size: 0.86rem;
  }
}

@media (max-width: 600px) {
  :root {
    --nav-h: 64px;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .grid-6 {
    grid-template-columns: 1fr;
  }

  .product-grid,
  .gallery-grid,
  .culture-grid,
  .series-grid {
    grid-template-columns: 1fr;
  }

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

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

  .hero__chip {
    display: none;
  }

  .btn {
    width: 100%;
  }

  .hero__actions .btn,
  .cta-band__actions .btn {
    width: auto;
    flex: 1 1 auto;
  }
}

/* ---------- 22. 动效偏好降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

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

  .reveal,
  .hero .anim {
    opacity: 1;
    transform: none;
  }

  .marquee__track {
    animation: none;
  }
}