/* ==========================================================================
   YICHEN — 汽车行车记录仪 外贸 B2B 官网
   深色科技风设计系统
   --------------------------------------------------------------------------
   目录
   01  设计令牌 / Design Tokens
   02  基础重置与排版
   03  通用组件（容器 / 按钮 / 卡片 / 徽章 / 表单 / 区块头）
   04  页头与导航（含语言切换、移动端抽屉）
   05  首页各区块
   06  产品列表 / 产品详情
   07  博客 / 快讯
   08  关于我们 / 联系我们
   09  购物车抽屉 / 询盘车页面 / 下单
   10  页脚 / 浮动操作 / 轻提示
   11  动效
   12  阿拉伯语 RTL 适配
   13  响应式断点
   ========================================================================== */

/* ==========================================================================
   01  设计令牌
   ========================================================================== */
:root {
  /* 背景层级：由深到浅，营造纵深 */
  --bg: #05080f;
  --bg-soft: #080e1b;
  --surface: #0d1524;
  --surface-2: #121c30;
  --surface-3: #18243c;
  --line: rgba(255, 255, 255, 0.07);
  --line-2: rgba(255, 255, 255, 0.14);

  /* 文本层级 */
  --ink: #eaf0fb;
  --ink-2: #adbbd3;
  --ink-3: #7787a3;

  /* 品牌色：霓虹青 → 电蓝 → 紫 */
  --brand: #00e5c4;
  --brand-2: #3b82f6;
  --brand-3: #8b5cf6;
  --grad: linear-gradient(115deg, #00e5c4 0%, #3b82f6 58%, #8b5cf6 100%);
  --grad-soft: linear-gradient(115deg, rgba(0, 229, 196, 0.14), rgba(59, 130, 246, 0.14));

  /* 语义色 */
  --ok: #22c98a;
  --warn: #f5b942;
  --danger: #ff6b7a;

  /* 圆角 / 阴影 / 发光 */
  --r-xs: 8px;
  --r-sm: 12px;
  --r: 16px;
  --r-lg: 22px;
  --r-xl: 28px;
  --shadow-1: 0 24px 60px -32px rgba(0, 0, 0, 0.95);
  --shadow-2: 0 40px 90px -40px rgba(0, 0, 0, 1);
  --glow: 0 20px 60px -30px rgba(0, 229, 196, 0.55);

  /* 尺寸 */
  --wrap: 1240px;
  --nav: 74px;

  /* 动效 */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);

  /* 字体：全部使用系统字体，零外部请求，离线可用 */
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial,
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

/* ==========================================================================
   02  基础重置与排版
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 15.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* 页面主背景：两处极淡的品牌色光晕 + 细网格，制造科技纵深 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(820px 420px at 8% -6%, rgba(0, 229, 196, 0.11), transparent 62%),
    radial-gradient(760px 420px at 96% 4%, rgba(59, 130, 246, 0.1), transparent 60%),
    radial-gradient(700px 500px at 50% 108%, rgba(139, 92, 246, 0.07), transparent 62%);
}

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

img {
  height: auto;
}

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

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

button {
  cursor: pointer;
  border: 0;
  background: none;
  padding: 0;
}

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

h1,
h2,
h3,
h4,
h5 {
  margin: 0;
  line-height: 1.16;
  letter-spacing: -0.024em;
  font-weight: 800;
}

p {
  margin: 0;
}

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 0;
}

::selection {
  background: rgba(0, 229, 196, 0.3);
  color: #fff;
}

/* 深色滚动条 */
::-webkit-scrollbar {
  width: 11px;
  height: 11px;
}
::-webkit-scrollbar-track {
  background: #070c16;
}
::-webkit-scrollbar-thumb {
  background: #1e2c46;
  border-radius: 99px;
  border: 2px solid #070c16;
}
::-webkit-scrollbar-thumb:hover {
  background: #2b3e5f;
}

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  border-radius: 6px;
}

/* ==========================================================================
   03  通用组件
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 24px;
}

.container--wide {
  max-width: 1420px;
}

.section {
  padding-block: 88px;
  position: relative;
}

.section--tight {
  padding-block: 60px;
}

.section--alt {
  background: linear-gradient(180deg, transparent, rgba(13, 21, 36, 0.66), transparent);
}

.sec-head {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 44px;
}

.sec-head--center {
  align-items: center;
  text-align: center;
}

.sec-head--row {
  flex-direction: row;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}

.sec-head h2 {
  font-size: clamp(1.65rem, 2.9vw, 2.4rem);
}

.sec-head p {
  color: var(--ink-2);
  max-width: 66ch;
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  padding: 6px 13px;
  border-radius: 999px;
  border: 1px solid rgba(0, 229, 196, 0.3);
  background: rgba(0, 229, 196, 0.08);
  color: var(--brand);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  line-height: 1;
}

.sec-head--center .eyebrow {
  align-self: center;
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 10px var(--brand);
}

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  font-size: 17px;
  color: var(--ink-2);
}

/* --- 按钮 --- */
.btn {
  --btn-py: 12px;
  --btn-px: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: var(--btn-py) var(--btn-px);
  border-radius: var(--r-sm);
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: -0.01em;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease),
    background 0.22s var(--ease), border-color 0.22s var(--ease), color 0.22s var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
}

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

.btn svg {
  width: 17px;
  height: 17px;
  flex: none;
}

.btn--primary {
  background: var(--grad);
  color: #04131c;
  box-shadow: var(--glow);
}

.btn--primary:hover {
  box-shadow: 0 26px 70px -28px rgba(0, 229, 196, 0.8);
}

.btn--ghost {
  border-color: var(--line-2);
  background: rgba(255, 255, 255, 0.03);
  color: var(--ink);
}

.btn--ghost:hover {
  border-color: rgba(0, 229, 196, 0.5);
  background: rgba(0, 229, 196, 0.08);
  color: #fff;
}

.btn--outline {
  border-color: rgba(0, 229, 196, 0.45);
  color: var(--brand);
}

.btn--outline:hover {
  background: rgba(0, 229, 196, 0.1);
}

.btn--dark {
  background: var(--surface-3);
  border-color: var(--line-2);
  color: var(--ink);
}

.btn--dark:hover {
  background: var(--surface-2);
  border-color: rgba(0, 229, 196, 0.4);
}

.btn--sm {
  --btn-py: 9px;
  --btn-px: 15px;
  font-size: 13px;
  border-radius: var(--r-xs);
}

.btn--lg {
  --btn-py: 15px;
  --btn-px: 30px;
  font-size: 15.5px;
}

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

.btn--icon {
  --btn-px: 12px;
  --btn-py: 12px;
}

.btn[disabled] {
  opacity: 0.45;
  pointer-events: none;
}

/* --- 徽章 / 标签 --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
  line-height: 1.5;
  border: 1px solid var(--line-2);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink-2);
  white-space: nowrap;
}

.badge--brand {
  border-color: rgba(0, 229, 196, 0.35);
  background: rgba(0, 229, 196, 0.1);
  color: var(--brand);
}

.badge--warn {
  border-color: rgba(245, 185, 66, 0.35);
  background: rgba(245, 185, 66, 0.1);
  color: var(--warn);
}

.badge--ok {
  border-color: rgba(34, 201, 138, 0.35);
  background: rgba(34, 201, 138, 0.1);
  color: var(--ok);
}

/* --- 卡片 --- */
.card {
  position: relative;
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease),
    box-shadow 0.35s var(--ease);
}

.card--hover:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 229, 196, 0.35);
  box-shadow: var(--shadow-1), 0 24px 60px -34px rgba(0, 229, 196, 0.5);
}

.card__body {
  padding: 24px;
}

/* --- 表单 --- */
.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.field > label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-2);
  letter-spacing: 0.01em;
}

.field .req {
  color: var(--brand);
}

.input,
.select,
.textarea {
  width: 100%;
  padding: 11px 14px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line-2);
  background: rgba(8, 14, 27, 0.85);
  color: var(--ink);
  font-size: 14.5px;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease),
    background 0.2s var(--ease);
}

.input::placeholder,
.textarea::placeholder {
  color: #5c6b85;
}

.input:focus,
.select:focus,
.textarea:focus {
  outline: none;
  border-color: rgba(0, 229, 196, 0.6);
  background: rgba(8, 14, 27, 1);
  box-shadow: 0 0 0 4px rgba(0, 229, 196, 0.13);
}

.select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237787a3' stroke-width='2.4' stroke-linecap='round'><path d='M6 9l6 6 6-6'/></svg>");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 15px;
  padding-inline-end: 36px;
}

[dir="rtl"] .select {
  background-position: left 12px center;
}

.textarea {
  min-height: 118px;
  resize: vertical;
}

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

.form-grid .span-2 {
  grid-column: 1 / -1;
}

.check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.55;
  cursor: pointer;
}

.check input {
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: 3px;
  accent-color: #00c9ad;
}

.form-note {
  font-size: 12px;
  color: var(--ink-3);
}

/* 校验失败态 */
.input.is-invalid,
.select.is-invalid,
.textarea.is-invalid {
  border-color: rgba(255, 107, 122, 0.75);
  box-shadow: 0 0 0 4px rgba(255, 107, 122, 0.13);
}

.check input.is-invalid {
  outline: 2px solid rgba(255, 107, 122, 0.8);
  outline-offset: 2px;
}

/* --- 网格工具类 --- */
.grid {
  display: grid;
  gap: 22px;
}

.grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.grid--auto {
  grid-template-columns: repeat(auto-fill, minmax(268px, 1fr));
}

/* --- 图标位 --- */
.ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
}

.ico svg {
  width: 100%;
  height: 100%;
}

/* 特征图标外框 */
.feat-ico {
  width: 46px;
  height: 46px;
  padding: 12px;
  border-radius: 13px;
  background: var(--grad-soft);
  border: 1px solid rgba(0, 229, 196, 0.24);
  color: var(--brand);
}

/* ==========================================================================
   04  页头与导航
   ========================================================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 70;
  background: rgba(5, 8, 15, 0.72);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border-bottom: 1px solid var(--line);
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
}

.header.is-scrolled {
  background: rgba(5, 8, 15, 0.92);
  border-bottom-color: var(--line-2);
}

.header__inner {
  display: flex;
  align-items: center;
  gap: 20px;
  height: var(--nav);
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  flex: none;
}

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

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand__name {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand__tag {
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-inline: auto;
}

.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 9px 14px;
  border-radius: var(--r-xs);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink-2);
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.nav__link:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.05);
}

.nav__link.is-active {
  color: var(--brand);
  background: rgba(0, 229, 196, 0.09);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: none;
}

/* 语言切换 */
.lang {
  position: relative;
}

.lang__btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 12px;
  border-radius: var(--r-xs);
  border: 1px solid var(--line-2);
  background: rgba(255, 255, 255, 0.03);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-2);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.lang__btn:hover {
  border-color: rgba(0, 229, 196, 0.45);
  color: var(--ink);
}

.lang__btn svg {
  width: 15px;
  height: 15px;
  opacity: 0.75;
}

.lang__current {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
}

.lang__menu {
  position: absolute;
  top: calc(100% + 9px);
  inset-inline-end: 0;
  min-width: 200px;
  padding: 7px;
  border-radius: var(--r);
  border: 1px solid var(--line-2);
  background: rgba(13, 21, 36, 0.98);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-7px);
  transition: opacity 0.22s var(--ease), transform 0.22s var(--ease),
    visibility 0.22s;
  z-index: 5;
}

.lang.is-open .lang__menu {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.lang__opt {
  display: flex;
  align-items: center;
  gap: 11px;
  width: 100%;
  padding: 9px 11px;
  border-radius: var(--r-xs);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-2);
  text-align: start;
  transition: background 0.18s var(--ease), color 0.18s var(--ease);
}

.lang__opt:hover {
  background: var(--surface-3);
  color: var(--ink);
}

.lang__opt.is-active {
  color: var(--brand);
  background: rgba(0, 229, 196, 0.09);
}

.lang__code {
  flex: none;
  width: 34px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-3);
}

.lang__opt.is-active .lang__code {
  color: var(--brand);
}

.lang__opt small {
  margin-inline-start: auto;
  font-size: 11px;
  color: var(--ink-3);
  font-weight: 500;
}

/* 图标按钮（购物车等） */
.icon-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--r-xs);
  border: 1px solid var(--line-2);
  background: rgba(255, 255, 255, 0.03);
  color: var(--ink-2);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease),
    background 0.2s var(--ease);
}

.icon-btn:hover {
  border-color: rgba(0, 229, 196, 0.45);
  color: var(--brand);
  background: rgba(0, 229, 196, 0.07);
}

.icon-btn svg {
  width: 19px;
  height: 19px;
}

.icon-btn__count {
  position: absolute;
  top: -6px;
  inset-inline-end: -6px;
  min-width: 19px;
  height: 19px;
  padding-inline: 5px;
  border-radius: 999px;
  background: var(--grad);
  color: #04131c;
  font-size: 11px;
  font-weight: 800;
  line-height: 19px;
  text-align: center;
  box-shadow: 0 0 0 2px var(--bg);
}

.icon-btn__count[hidden] {
  display: none;
}

/* 汉堡菜单 */
.hamburger {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--r-xs);
  border: 1px solid var(--line-2);
  background: rgba(255, 255, 255, 0.03);
  color: var(--ink);
  align-items: center;
  justify-content: center;
}

.hamburger svg {
  width: 20px;
  height: 20px;
}

/* 移动端全屏导航 */
.mnav {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(5, 8, 15, 0.97);
  backdrop-filter: blur(20px);
  padding: calc(var(--nav) + 22px) 24px 40px;
  transform: translateY(-100%);
  visibility: hidden;
  transition: transform 0.42s var(--ease), visibility 0.42s;
  overflow-y: auto;
}

.mnav.is-open {
  transform: none;
  visibility: visible;
}

.mnav__close {
  position: absolute;
  top: 19px;
  inset-inline-end: 24px;
  width: 40px;
  height: 40px;
  border-radius: var(--r-xs);
  border: 1px solid var(--line-2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
}

.mnav__close svg {
  width: 20px;
  height: 20px;
}

.mnav__list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 26px;
}

.mnav__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 4px;
  border-bottom: 1px solid var(--line);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
}

.mnav__link.is-active {
  color: var(--brand);
}

.mnav__link svg {
  width: 18px;
  height: 18px;
  color: var(--ink-3);
}

.mnav__langs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 26px;
}

.mnav__lang {
  padding: 9px 15px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
}

.mnav__lang.is-active {
  border-color: rgba(0, 229, 196, 0.5);
  background: rgba(0, 229, 196, 0.1);
  color: var(--brand);
}

/* ==========================================================================
   05  首页各区块
   ========================================================================== */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: 92px 76px;
  border-bottom: 1px solid var(--line);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-image: url("../img/hero.svg");
  background-size: cover;
  background-position: 44% 46%;
  opacity: 0.68;
}

/* 渐隐遮罩 + 品牌色光晕：左侧文案区保证对比度，右侧留出画面细节 */
.hero__scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      100deg,
      #05080f 2%,
      rgba(5, 8, 15, 0.9) 28%,
      rgba(5, 8, 15, 0.5) 56%,
      rgba(5, 8, 15, 0.16) 92%
    ),
    linear-gradient(180deg, rgba(5, 8, 15, 0.42), transparent 34%, rgba(5, 8, 15, 0.82));
}

/* 44px 科技网格，仅保留上半部分并向下淡出 */
.hero__grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(0, 229, 196, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 196, 0.07) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 72%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 72%);
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 54px;
  align-items: center;
}

.hero__copy {
  display: flex;
  flex-direction: column;
  gap: 22px;
  max-width: 640px;
}

.hero h1 {
  font-size: clamp(2.05rem, 4.3vw, 3.4rem);
  letter-spacing: -0.035em;
}

.hero__sub {
  font-size: 16.5px;
  color: var(--ink-2);
  max-width: 56ch;
}

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

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  padding-top: 24px;
  margin-top: 4px;
  border-top: 1px solid var(--line);
}

.stat__num {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.stat__label {
  font-size: 12.5px;
  color: var(--ink-3);
  margin-top: 3px;
}

/* 右侧悬浮询价卡 */
.quote-card {
  position: relative;
  padding: 28px;
  border-radius: var(--r-xl);
  border: 1px solid var(--line-2);
  background: linear-gradient(180deg, rgba(18, 28, 48, 0.9), rgba(8, 14, 27, 0.92));
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-2);
  display: flex;
  flex-direction: column;
  gap: 15px;
}

/* 顶部渐变发丝线 */
.quote-card::before {
  content: "";
  position: absolute;
  top: 0;
  inset-inline: 26px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 196, 0.75), transparent);
}

.quote-card__title {
  font-size: 19px;
  font-weight: 800;
}

.quote-card__desc {
  font-size: 13px;
  color: var(--ink-3);
  margin-top: -8px;
}

.quote-card .btn {
  margin-top: 4px;
}

.quote-card__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  padding-top: 15px;
  border-top: 1px solid var(--line);
}

/* 认证跑马灯 */
.trust {
  padding-block: 22px;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 14, 27, 0.6);
  overflow: hidden;
}

.trust__label {
  text-align: center;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 14px;
}

.marquee {
  display: flex;
  gap: 14px;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.marquee__track {
  display: flex;
  gap: 14px;
  flex: none;
  animation: marquee 42s linear infinite;
}

[dir="rtl"] .marquee {
  /* 跑马灯内容是认证缩写等中性文本，强制 LTR 可让两轨滑动数学保持一致，
     避免 RTL 下第二轨向左延伸出视口造成横向溢出 */
  direction: ltr;
}

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

/* 键盘跳转链接：用裁剪而非 left:-9999px 隐藏，
   否则在 RTL 下会向左溢出，把文档 scrollWidth 撑到上万像素 */
.skip-link {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link:focus {
  position: fixed;
  inset-inline-start: 16px;
  top: 16px;
  width: auto;
  height: auto;
  clip-path: none;
  padding: 10px 16px;
  z-index: 200;
  border-radius: var(--r-sm);
  border: 1px solid var(--brand);
  background: var(--surface-2);
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
}

@keyframes marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-100%);
  }
}

/* 品类卡 */
.cat-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px;
  overflow: hidden;
  min-height: 168px;
  justify-content: flex-end;
}

.cat-card__ico {
  width: 42px;
  height: 42px;
  padding: 11px;
  border-radius: 12px;
  background: var(--grad-soft);
  border: 1px solid rgba(0, 229, 196, 0.24);
  color: var(--brand);
  margin-bottom: auto;
}

.cat-card h3 {
  font-size: 16.5px;
}

.cat-card p {
  font-size: 13px;
  color: var(--ink-3);
}

.cat-card__count {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--brand);
}

/* 整卡点击的箭头 */
.cat-card__arrow {
  position: absolute;
  top: 22px;
  inset-inline-end: 22px;
  width: 18px;
  height: 18px;
  color: var(--ink-3);
  transition: transform 0.3s var(--ease), color 0.3s var(--ease);
}

.cat-card:hover .cat-card__arrow {
  color: var(--brand);
  transform: translateX(4px);
}

[dir="rtl"] .cat-card:hover .cat-card__arrow {
  transform: translateX(-4px);
}

/* 产品卡 */
.pcard {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.pcard__media {
  position: relative;
  aspect-ratio: 4 / 3;
  background: #070c16;
  overflow: hidden;
}

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

.pcard:hover .pcard__media img {
  transform: scale(1.06);
}

.pcard__flags {
  position: absolute;
  top: 12px;
  inset-inline-start: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-start;
}

.pcard__flags .badge {
  background: rgba(5, 8, 15, 0.82);
  backdrop-filter: blur(6px);
}

.pcard__body {
  display: flex;
  flex-direction: column;
  gap: 11px;
  padding: 19px 19px 21px;
  flex: 1;
}

.pcard__cat {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brand);
}

.pcard__title {
  font-size: 16px;
  font-weight: 700;
  transition: color 0.2s var(--ease);
}

.pcard__title:hover {
  color: var(--brand);
}

.pcard__specs {
  display: grid;
  gap: 5px;
  font-size: 12.5px;
  color: var(--ink-3);
}

.pcard__specs li {
  display: flex;
  align-items: flex-start;
  gap: 7px;
}

.pcard__specs svg {
  width: 13px;
  height: 13px;
  flex: none;
  margin-top: 4px;
  color: rgba(0, 229, 196, 0.75);
}

.pcard__price {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  padding-top: 13px;
  margin-top: auto;
  border-top: 1px solid var(--line);
}

.pcard__price strong {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.pcard__price small {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--ink-3);
}

.pcard__moq {
  font-size: 11.5px;
  color: var(--ink-3);
  font-family: var(--font-mono);
}

.pcard__actions {
  display: flex;
  gap: 8px;
}

.pcard__actions .btn {
  flex: 1;
}

/* 优势特征 */
.feat {
  display: flex;
  flex-direction: column;
  gap: 13px;
  padding: 26px;
}

.feat h3 {
  font-size: 16.5px;
}

.feat p {
  font-size: 13.5px;
  color: var(--ink-2);
}

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

.step {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 20px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--surface), rgba(5, 8, 15, 0.6));
}

.step__no {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--brand);
  letter-spacing: 0.1em;
}

.step h3 {
  font-size: 15.5px;
}

.step p {
  font-size: 13px;
  color: var(--ink-3);
}

/* 步骤之间的连接箭头 */
.step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 50%;
  inset-inline-end: -16px;
  width: 16px;
  height: 1px;
  background: linear-gradient(90deg, rgba(0, 229, 196, 0.5), transparent);
}

[dir="rtl"] .step:not(:last-child)::after {
  background: linear-gradient(270deg, rgba(0, 229, 196, 0.5), transparent);
}

/* 认证网格 */
.cert {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 22px 14px;
  border-radius: var(--r);
  border: 1px solid var(--line);
  background: rgba(13, 21, 36, 0.6);
  text-align: center;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.cert:hover {
  border-color: rgba(0, 229, 196, 0.35);
  transform: translateY(-3px);
}

.cert__code {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.cert__name {
  font-size: 11.5px;
  color: var(--ink-3);
}

/* 工厂介绍分栏 */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 52px;
  align-items: center;
}

.split__media {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--line-2);
  box-shadow: var(--shadow-2);
}

.split__media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* 图片角标浮层 */
.split__badge {
  position: absolute;
  inset-inline-start: 20px;
  bottom: 20px;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 13px 17px;
  border-radius: var(--r);
  background: rgba(5, 8, 15, 0.86);
  backdrop-filter: blur(12px);
  border: 1px solid var(--line-2);
}

.split__badge strong {
  font-size: 20px;
  font-weight: 800;
}

.split__badge span {
  font-size: 11.5px;
  color: var(--ink-3);
  line-height: 1.35;
}

.split__copy {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.checklist {
  display: grid;
  gap: 11px;
}

.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  font-size: 14.5px;
  color: var(--ink-2);
}

.checklist svg {
  width: 18px;
  height: 18px;
  flex: none;
  margin-top: 3px;
  color: var(--brand);
}

/* 客户评价 */
.quote-item {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 26px;
}

.quote-item__stars {
  display: flex;
  gap: 3px;
  color: var(--warn);
}

.quote-item__stars svg {
  width: 15px;
  height: 15px;
}

.quote-item blockquote {
  margin: 0;
  font-size: 14.5px;
  color: var(--ink-2);
  line-height: 1.7;
}

.quote-item__by {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--grad-soft);
  border: 1px solid rgba(0, 229, 196, 0.28);
  color: var(--brand);
  font-size: 13px;
  font-weight: 800;
}

.quote-item__by strong {
  display: block;
  font-size: 13.5px;
}

.quote-item__by span {
  font-size: 12px;
  color: var(--ink-3);
}

/* FAQ 手风琴 */
.faq {
  display: grid;
  gap: 11px;
  max-width: 880px;
  margin-inline: auto;
}

.faq__item {
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: rgba(13, 21, 36, 0.6);
  overflow: hidden;
  transition: border-color 0.3s var(--ease);
}

.faq__item.is-open {
  border-color: rgba(0, 229, 196, 0.35);
  background: rgba(13, 21, 36, 0.9);
}

.faq__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  padding: 19px 22px;
  font-size: 15.5px;
  font-weight: 700;
  text-align: start;
}

.faq__q svg {
  width: 19px;
  height: 19px;
  flex: none;
  color: var(--brand);
  transition: transform 0.32s var(--ease);
}

.faq__item.is-open .faq__q svg {
  transform: rotate(45deg);
}

.faq__a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.34s var(--ease);
}

.faq__item.is-open .faq__a {
  grid-template-rows: 1fr;
}

.faq__a > div {
  overflow: hidden;
}

.faq__a p {
  padding: 0 22px 20px;
  font-size: 14px;
  color: var(--ink-2);
}

/* CTA 横幅 */
.cta-band {
  position: relative;
  overflow: hidden;
  padding: 54px;
  border-radius: var(--r-xl);
  border: 1px solid rgba(0, 229, 196, 0.28);
  background: linear-gradient(120deg, rgba(0, 229, 196, 0.13), rgba(59, 130, 246, 0.13) 55%, rgba(139, 92, 246, 0.13));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
  flex-wrap: wrap;
}

.cta-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(600px 300px at 82% 50%, #000, transparent);
  -webkit-mask-image: radial-gradient(600px 300px at 82% 50%, #000, transparent);
  pointer-events: none;
}

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

.cta-band h2 {
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  margin-bottom: 8px;
}

.cta-band p {
  color: var(--ink-2);
  max-width: 52ch;
}

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

/* ==========================================================================
   06  产品列表 / 产品详情
   ========================================================================== */
.page-head {
  padding-block: 54px 44px;
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}

.page-head::after {
  content: "";
  position: absolute;
  top: -160px;
  inset-inline-start: 8%;
  width: 620px;
  height: 340px;
  background: radial-gradient(closest-side, rgba(0, 229, 196, 0.14), transparent);
  pointer-events: none;
}

.page-head__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-head h1 {
  font-size: clamp(1.9rem, 3.4vw, 2.7rem);
}

.page-head p {
  color: var(--ink-2);
  max-width: 70ch;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 12.5px;
  color: var(--ink-3);
  flex-wrap: wrap;
}

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

.breadcrumb svg {
  width: 13px;
  height: 13px;
  opacity: 0.6;
}

[dir="rtl"] .breadcrumb svg {
  transform: scaleX(-1);
}

/* 筛选工具条 */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 32px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

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

.chip {
  padding: 8px 15px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: rgba(255, 255, 255, 0.03);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-2);
  transition: all 0.22s var(--ease);
}

.chip:hover {
  border-color: rgba(0, 229, 196, 0.45);
  color: var(--ink);
}

.chip.is-active {
  background: var(--grad);
  border-color: transparent;
  color: #04131c;
}

.toolbar__right {
  display: flex;
  align-items: center;
  gap: 11px;
}

.toolbar__count {
  font-size: 13px;
  color: var(--ink-3);
  white-space: nowrap;
}

.toolbar .select {
  width: auto;
  min-width: 186px;
  padding-block: 9px;
}

/* 空状态 */
.empty {
  padding: 68px 24px;
  text-align: center;
  border: 1px dashed var(--line-2);
  border-radius: var(--r-lg);
  color: var(--ink-3);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.empty svg {
  width: 40px;
  height: 40px;
  color: var(--ink-3);
  opacity: 0.6;
}

/* 产品详情 */
.pdp {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 52px;
  align-items: start;
}

.pdp__gallery {
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: sticky;
  top: calc(var(--nav) + 24px);
}

.pdp__main {
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--line-2);
  background: #070c16;
  position: relative;
}

.pdp__main img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.pdp__thumbs {
  display: flex;
  gap: 11px;
}

.pdp__thumb {
  width: 84px;
  height: 66px;
  border-radius: var(--r-sm);
  overflow: hidden;
  border: 1px solid var(--line);
  padding: 0;
  opacity: 0.62;
  transition: opacity 0.24s var(--ease), border-color 0.24s var(--ease);
}

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

.pdp__thumb.is-active,
.pdp__thumb:hover {
  opacity: 1;
  border-color: rgba(0, 229, 196, 0.6);
}

.pdp__info {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.pdp__cat {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand);
}

.pdp h1 {
  font-size: clamp(1.6rem, 2.7vw, 2.15rem);
}

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

.pdp__desc {
  color: var(--ink-2);
  font-size: 15px;
}

/* 价格块 */
.price-box {
  padding: 20px 22px;
  border-radius: var(--r-lg);
  border: 1px solid rgba(0, 229, 196, 0.28);
  background: linear-gradient(120deg, rgba(0, 229, 196, 0.09), rgba(59, 130, 246, 0.09));
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.price-box__label {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 600;
}

.price-box__value {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.price-box__value span {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-2);
}

.price-box__terms {
  font-size: 12.5px;
  color: var(--ink-3);
}

/* 购买行 */
.buy-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: stretch;
}

.stepper {
  display: flex;
  align-items: center;
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  overflow: hidden;
  background: rgba(8, 14, 27, 0.85);
  flex: none;
}

.stepper button {
  width: 42px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-2);
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.stepper button:hover {
  background: var(--surface-3);
  color: var(--brand);
}

.stepper button svg {
  width: 16px;
  height: 16px;
}

.stepper input {
  width: 72px;
  height: 46px;
  border: 0;
  border-inline: 1px solid var(--line);
  background: transparent;
  text-align: center;
  font-weight: 700;
  font-family: var(--font-mono);
  font-size: 14px;
}

.stepper input:focus {
  outline: none;
}

.buy-row .btn {
  height: 46px;
}

.buy-row .btn--primary {
  flex: 1;
  min-width: 158px;
}

/* 规格表 */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.spec-table th,
.spec-table td {
  padding: 12px 16px;
  text-align: start;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.spec-table th {
  width: 38%;
  color: var(--ink-3);
  font-weight: 600;
  font-size: 13px;
}

.spec-table td {
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
}

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

.spec-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

/* 详情分栏卡 */
.panel {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: rgba(13, 21, 36, 0.55);
  overflow: hidden;
}

.panel__head {
  padding: 17px 22px;
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.02);
}

.panel__head svg {
  width: 17px;
  height: 17px;
  color: var(--brand);
}

.panel__body {
  padding: 6px 0;
}

.panel__body--pad {
  padding: 22px;
}

/* 特性列表 */
.feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 13px;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13.5px;
  color: var(--ink-2);
  padding: 13px 15px;
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--line);
}

.feature-list svg {
  width: 16px;
  height: 16px;
  flex: none;
  margin-top: 3px;
  color: var(--brand);
}

/* Tabs */
.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.tab {
  padding: 12px 18px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink-3);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.tab:hover {
  color: var(--ink);
}

.tab.is-active {
  color: var(--brand);
  border-bottom-color: var(--brand);
}

.tab-panel[hidden] {
  display: none;
}

/* ==========================================================================
   07  博客 / 快讯
   ========================================================================== */
.bcard {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* 无图的博客封面：按分类给不同的品牌色渐变，保持设计感 */
.bcard__cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 18px;
}

.bcard__cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 30px 30px;
  mask-image: radial-gradient(340px 200px at 78% 22%, #000, transparent);
  -webkit-mask-image: radial-gradient(340px 200px at 78% 22%, #000, transparent);
}

.bcard__cover--a {
  background: linear-gradient(130deg, #062e2b 0%, #0a3f6b 55%, #0d1c38 100%);
}
.bcard__cover--b {
  background: linear-gradient(130deg, #10224a 0%, #3a2a6b 60%, #0b1329 100%);
}
.bcard__cover--c {
  background: linear-gradient(130deg, #0a2c4a 0%, #0e5560 58%, #0a1a2e 100%);
}
.bcard__cover--d {
  background: linear-gradient(130deg, #2a1a52 0%, #0d3350 60%, #0a1426 100%);
}

.bcard__cover-tag {
  position: relative;
  z-index: 1;
}

.bcard__body {
  display: flex;
  flex-direction: column;
  gap: 11px;
  padding: 21px;
  flex: 1;
}

.bcard__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--ink-3);
  font-family: var(--font-mono);
}

.bcard__meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.bcard__meta svg {
  width: 13px;
  height: 13px;
}

.bcard h3 {
  font-size: 16.5px;
  line-height: 1.35;
  transition: color 0.2s var(--ease);
}

.bcard:hover h3 {
  color: var(--brand);
}

.bcard p {
  font-size: 13.5px;
  color: var(--ink-2);
}

.bcard__more {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: auto;
  padding-top: 14px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--brand);
}

.bcard__more svg {
  width: 15px;
  height: 15px;
  transition: transform 0.28s var(--ease);
}

.bcard:hover .bcard__more svg {
  transform: translateX(4px);
}

[dir="rtl"] .bcard:hover .bcard__more svg {
  transform: translateX(-4px);
}

/* 置顶大文章 */
.bcard--hero {
  grid-column: span 2;
}

.bcard--hero .bcard__cover {
  aspect-ratio: 21 / 9;
}

.bcard--hero h3 {
  font-size: 22px;
}

.bcard--hero .bcard__body {
  padding: 26px;
  gap: 14px;
}

/* 文章正文 */
.article {
  max-width: 780px;
  margin-inline: auto;
}

.article__head {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 30px;
}

.article__head h1 {
  font-size: clamp(1.7rem, 3.1vw, 2.4rem);
}

.article__meta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--ink-3);
  font-family: var(--font-mono);
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.article__body {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.article__body h2 {
  font-size: 1.32rem;
  margin-top: 12px;
}

.article__body h3 {
  font-size: 1.1rem;
  margin-top: 6px;
}

.article__body p,
.article__body li {
  font-size: 15.5px;
  color: var(--ink-2);
  line-height: 1.78;
}

.article__body strong {
  color: var(--ink);
}

.article__body ul {
  display: grid;
  gap: 9px;
  padding-inline-start: 4px;
}

.article__body ul li {
  position: relative;
  padding-inline-start: 20px;
}

.article__body ul li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 9px rgba(0, 229, 196, 0.8);
}

.article__body blockquote {
  margin: 6px 0;
  padding: 18px 22px;
  border-inline-start: 3px solid var(--brand);
  background: rgba(0, 229, 196, 0.06);
  border-radius: var(--r-sm);
  font-size: 15px;
  color: var(--ink);
}

/* 快讯 */
.news-list {
  display: flex;
  flex-direction: column;
}

.news-item {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 26px;
  padding-block: 24px;
  border-bottom: 1px solid var(--line);
  transition: background 0.25s var(--ease);
}

.news-item:hover {
  background: rgba(255, 255, 255, 0.018);
}

.news-item__date {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-3);
  padding-top: 4px;
}

.news-item__date strong {
  display: block;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--ink-2);
  line-height: 1.1;
  margin-bottom: 3px;
}

.news-item__body {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.news-item h3 {
  font-size: 17px;
  line-height: 1.4;
}

.news-item:hover h3 {
  color: var(--brand);
}

.news-item p {
  font-size: 14px;
  color: var(--ink-2);
}

.news-item__tags {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
  margin-top: 3px;
}

/* ==========================================================================
   08  关于我们 / 联系我们
   ========================================================================== */
.stat-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.stat-band__item {
  padding: 30px 26px;
  background: rgba(13, 21, 36, 0.9);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stat-band__num {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  font-weight: 800;
  letter-spacing: -0.035em;
}

.stat-band__label {
  font-size: 13px;
  color: var(--ink-2);
}

.stat-band__sub {
  font-size: 11.5px;
  color: var(--ink-3);
}

/* 时间轴 */
.timeline {
  position: relative;
  display: grid;
  gap: 26px;
  padding-inline-start: 30px;
}

.timeline::before {
  content: "";
  position: absolute;
  inset-inline-start: 6px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, rgba(0, 229, 196, 0.7), rgba(59, 130, 246, 0.35), transparent);
}

.timeline__item {
  position: relative;
}

.timeline__item::before {
  content: "";
  position: absolute;
  inset-inline-start: -30px;
  top: 6px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--brand);
  box-shadow: 0 0 0 4px rgba(0, 229, 196, 0.12);
}

.timeline__year {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  color: var(--brand);
  letter-spacing: 0.08em;
}

.timeline__item h3 {
  font-size: 16px;
  margin-block: 5px 6px;
}

.timeline__item p {
  font-size: 14px;
  color: var(--ink-2);
}

/* 联系页 */
.contact-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: start;
}

.contact-card {
  display: flex;
  gap: 15px;
  padding: 21px;
}

.contact-card__ico {
  width: 42px;
  height: 42px;
  padding: 11px;
  border-radius: 12px;
  background: var(--grad-soft);
  border: 1px solid rgba(0, 229, 196, 0.24);
  color: var(--brand);
  flex: none;
}

.contact-card h3 {
  font-size: 14.5px;
  margin-bottom: 4px;
}

.contact-card p,
.contact-card a {
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.6;
}

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

.contact-card__line {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
}

/* 地图占位：CSS 绘制的抽象地图 + 定位点 */
.map {
  position: relative;
  min-height: 340px;
  border-radius: var(--r-xl);
  border: 1px solid var(--line-2);
  overflow: hidden;
  background: radial-gradient(700px 340px at 30% 30%, #0d1b2f, #060a14 70%);
}

.map::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(0, 229, 196, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 196, 0.09) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: radial-gradient(closest-side at 50% 50%, transparent 45%, #000 100%);
  -webkit-mask-image: radial-gradient(closest-side at 50% 50%, transparent 45%, #000 100%);
}

.map__pin {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  transform: translate(-50%, -100%);
}

.map__pin span {
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(5, 8, 15, 0.9);
  border: 1px solid rgba(0, 229, 196, 0.4);
  font-size: 11.5px;
  font-weight: 700;
  white-space: nowrap;
}

.map__pin i {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 5px rgba(0, 229, 196, 0.18), 0 0 16px rgba(0, 229, 196, 0.9);
}

.map__pulse {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* ==========================================================================
   09  购物车 / 询盘下单
   ========================================================================== */
/* 遮罩 */
.overlay {
  position: fixed;
  inset: 0;
  z-index: 95;
  background: rgba(2, 4, 9, 0.72);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s var(--ease), visibility 0.3s;
}

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

/* 抽屉 */
.drawer {
  position: fixed;
  top: 0;
  inset-inline-end: 0;
  z-index: 96;
  width: min(432px, 100%);
  height: 100dvh;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, #0b1322, #070c16);
  border-inline-start: 1px solid var(--line-2);
  box-shadow: var(--shadow-2);
  transform: translateX(105%);
  visibility: hidden;
  transition: transform 0.42s var(--ease), visibility 0.42s;
}

.drawer.is-open {
  transform: none;
  visibility: visible;
}

.drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 19px 22px;
  border-bottom: 1px solid var(--line);
  flex: none;
}

.drawer__title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16.5px;
  font-weight: 800;
}

.drawer__title svg {
  width: 19px;
  height: 19px;
  color: var(--brand);
}

.drawer__body {
  flex: 1;
  overflow-y: auto;
  padding: 20px 22px;
}

.drawer__foot {
  flex: none;
  padding: 20px 22px;
  border-top: 1px solid var(--line);
  background: rgba(5, 8, 15, 0.6);
  display: flex;
  flex-direction: column;
  gap: 13px;
}

/* 购物车行 */
.citem {
  display: grid;
  grid-template-columns: 76px 1fr auto;
  gap: 14px;
  padding-block: 16px;
  border-bottom: 1px solid var(--line);
}

.citem:first-child {
  padding-top: 0;
}

.citem__img {
  width: 76px;
  height: 62px;
  border-radius: var(--r-xs);
  overflow: hidden;
  border: 1px solid var(--line);
  background: #070c16;
}

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

.citem__body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.citem__name {
  font-size: 13.8px;
  font-weight: 700;
  line-height: 1.35;
}

.citem__price {
  font-size: 12.5px;
  color: var(--ink-3);
  font-family: var(--font-mono);
}

.citem__qty {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line-2);
  border-radius: var(--r-xs);
  overflow: hidden;
  width: fit-content;
}

.citem__qty button {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-2);
}

.citem__qty button:hover {
  background: var(--surface-3);
  color: var(--brand);
}

.citem__qty button svg {
  width: 12px;
  height: 12px;
}

.citem__qty span {
  min-width: 42px;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font-mono);
  border-inline: 1px solid var(--line);
  line-height: 28px;
}

.citem__side {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8px;
}

.citem__sum {
  font-size: 14px;
  font-weight: 800;
  font-family: var(--font-mono);
  white-space: nowrap;
}

.citem__del {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  color: var(--ink-3);
  transition: color 0.2s var(--ease);
}

.citem__del:hover {
  color: var(--danger);
}

.citem__del svg {
  width: 13px;
  height: 13px;
}

/* 汇总行 */
.sum-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  font-size: 13.5px;
  color: var(--ink-2);
}

.sum-row--total {
  padding-top: 13px;
  border-top: 1px solid var(--line);
  font-size: 15px;
  color: var(--ink);
}

.sum-row--total strong {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

/* 询盘车页面表格 */
.cart-layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 34px;
  align-items: start;
}

.cart-table {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: rgba(13, 21, 36, 0.5);
}

.cart-table__head {
  display: grid;
  grid-template-columns: 1.6fr 0.9fr 1fr 0.9fr 42px;
  gap: 14px;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--line);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.cart-row {
  display: grid;
  grid-template-columns: 1.6fr 0.9fr 1fr 0.9fr 42px;
  gap: 14px;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
}

.cart-row:last-child {
  border-bottom: 0;
}

.cart-row__product {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.cart-row__product img {
  width: 74px;
  height: 60px;
  object-fit: cover;
  border-radius: var(--r-xs);
  border: 1px solid var(--line);
  flex: none;
}

.cart-row__product h3 {
  font-size: 14.5px;
  line-height: 1.35;
}

.cart-row__product span {
  display: block;
  font-size: 11.5px;
  color: var(--ink-3);
  margin-top: 3px;
  font-family: var(--font-mono);
}

.cart-row__price,
.cart-row__sum {
  font-family: var(--font-mono);
  font-size: 13.5px;
}

.cart-row__sum {
  font-weight: 800;
  font-size: 14.5px;
}

.cart-row__del {
  width: 34px;
  height: 34px;
  border-radius: var(--r-xs);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-3);
  transition: all 0.2s var(--ease);
}

.cart-row__del:hover {
  color: var(--danger);
  border-color: rgba(255, 107, 122, 0.5);
}

.cart-row__del svg {
  width: 15px;
  height: 15px;
}

/* 结算摘要 */
.summary {
  display: flex;
  flex-direction: column;
  gap: 15px;
  padding: 24px;
  position: sticky;
  top: calc(var(--nav) + 24px);
}

.summary h3 {
  font-size: 16.5px;
}

.summary__note {
  padding: 13px 15px;
  border-radius: var(--r-sm);
  background: rgba(245, 185, 66, 0.08);
  border: 1px solid rgba(245, 185, 66, 0.28);
  font-size: 12.5px;
  color: var(--warn);
  line-height: 1.6;
}

.summary__benefits {
  display: grid;
  gap: 9px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.summary__benefits li {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 12.5px;
  color: var(--ink-3);
}

.summary__benefits svg {
  width: 15px;
  height: 15px;
  color: var(--brand);
  flex: none;
}

/* 下单成功 */
.success {
  display: none;
  flex-direction: column;
  gap: 18px;
  padding: 34px;
  text-align: center;
  border: 1px solid rgba(34, 201, 138, 0.35);
  border-radius: var(--r-xl);
  background: linear-gradient(140deg, rgba(34, 201, 138, 0.09), rgba(0, 229, 196, 0.05));
}

.success.is-visible {
  display: flex;
}

.success__ico {
  width: 62px;
  height: 62px;
  margin-inline: auto;
  padding: 16px;
  border-radius: 50%;
  background: rgba(34, 201, 138, 0.14);
  border: 1px solid rgba(34, 201, 138, 0.45);
  color: var(--ok);
}

.success h2 {
  font-size: 1.4rem;
}

.success p {
  color: var(--ink-2);
  font-size: 14.5px;
}

.success__no {
  display: inline-block;
  padding: 11px 20px;
  border-radius: var(--r-sm);
  border: 1px dashed rgba(34, 201, 138, 0.5);
  background: rgba(5, 8, 15, 0.6);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ok);
  margin-inline: auto;
}

.success__actions {
  display: flex;
  gap: 11px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ==========================================================================
   10  页脚 / 浮动操作 / 轻提示
   ========================================================================== */
.footer {
  margin-top: 92px;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(8, 14, 27, 0.5), rgba(5, 8, 15, 1));
}

.footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 44px;
  padding-block: 60px 46px;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer__about {
  font-size: 13.5px;
  color: var(--ink-3);
  line-height: 1.7;
  max-width: 40ch;
}

.footer h4 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 16px;
}

.footer__links {
  display: grid;
  gap: 10px;
}

.footer__links a {
  font-size: 14px;
  color: var(--ink-2);
  transition: color 0.2s var(--ease), padding 0.2s var(--ease);
}

.footer__links a:hover {
  color: var(--brand);
}

.footer__contact {
  display: grid;
  gap: 11px;
}

.footer__contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13.5px;
  color: var(--ink-2);
}

.footer__contact svg {
  width: 15px;
  height: 15px;
  flex: none;
  margin-top: 4px;
  color: var(--brand);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  padding-block: 22px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--ink-3);
}

.footer__langs {
  display: flex;
  gap: 13px;
  flex-wrap: wrap;
}

.footer__langs button {
  font-size: 12.5px;
  color: var(--ink-3);
  transition: color 0.2s var(--ease);
}

.footer__langs button:hover,
.footer__langs button.is-active {
  color: var(--brand);
}

/* 浮动按钮 */
.floaters {
  position: fixed;
  bottom: 26px;
  inset-inline-end: 26px;
  z-index: 80;
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.fab {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-2);
  background: rgba(13, 21, 36, 0.94);
  backdrop-filter: blur(10px);
  color: var(--ink-2);
  box-shadow: var(--shadow-1);
  transition: transform 0.25s var(--ease), color 0.25s var(--ease),
    border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.fab:hover {
  transform: translateY(-3px);
  color: var(--brand);
  border-color: rgba(0, 229, 196, 0.5);
}

.fab svg {
  width: 20px;
  height: 20px;
}

.fab--wa {
  background: #1faf54;
  border-color: #1faf54;
  color: #fff;
}

.fab--wa:hover {
  background: #25c85f;
  color: #fff;
  border-color: #25c85f;
}

.fab--top {
  opacity: 0;
  visibility: hidden;
}

.fab--top.is-visible {
  opacity: 1;
  visibility: visible;
}

/* 轻提示 */
.toast-wrap {
  position: fixed;
  bottom: 30px;
  inset-inline-start: 50%;
  transform: translateX(-50%);
  z-index: 120;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
  pointer-events: none;
  width: max-content;
  max-width: calc(100vw - 40px);
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: var(--r);
  border: 1px solid rgba(0, 229, 196, 0.4);
  background: rgba(11, 19, 34, 0.97);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-2);
  font-size: 14px;
  font-weight: 600;
  animation: toast-in 0.28s var(--ease);
}

.toast svg {
  width: 18px;
  height: 18px;
  color: var(--brand);
  flex: none;
}

.toast--warn {
  border-color: rgba(245, 185, 66, 0.45);
}
.toast--warn svg {
  color: var(--warn);
}

.toast.is-out {
  animation: toast-out 0.26s var(--ease) forwards;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.97);
  }
}
@keyframes toast-out {
  to {
    opacity: 0;
    transform: translateY(10px) scale(0.98);
  }
}

/* ==========================================================================
   11  动效
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.62s var(--ease), transform 0.62s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ==========================================================================
   12  阿拉伯语 RTL 适配
   ========================================================================== */
[dir="rtl"] {
  font-family: "Noto Sans Arabic", "Geeza Pro", "Segoe UI", Tahoma, system-ui,
    sans-serif;
}

[dir="rtl"] body {
  font-family: inherit;
}

/* 拉丁字母与数字在阿拉伯语中仍用等宽字体，便于对表格数字 */
[dir="rtl"] .spec-table td,
[dir="rtl"] .citem__price,
[dir="rtl"] .cart-row__price,
[dir="rtl"] .cart-row__sum,
[dir="rtl"] .news-item__date {
  direction: ltr;
  text-align: start;
}

[dir="rtl"] .spec-table td {
  text-align: right;
  direction: ltr;
  unicode-bidi: embed;
}

/* 抽屉在 RTL 下位于左侧，滑出方向需反向。
   注意：这里必须显式覆盖打开态，因为同为两段选择器时后写规则会盖掉 .drawer.is-open */
[dir="rtl"] .drawer {
  transform: translateX(-105%);
}

[dir="rtl"] .drawer.is-open {
  transform: none;
}

/* 轻提示在 RTL 下居中偏移方向相反 */
[dir="rtl"] .toast-wrap {
  transform: translateX(50%);
}

/* 面包屑与"了解更多"箭头在 RTL 下镜像 */
[dir="rtl"] .pcard__specs svg,
[dir="rtl"] .checklist svg {
  transform: none;
}

/* 首页遮罩镜向，保证文案在右侧时对比度依旧 */
[dir="rtl"] .hero__scrim {
  background:
    linear-gradient(
      260deg,
      #05080f 2%,
      rgba(5, 8, 15, 0.9) 28%,
      rgba(5, 8, 15, 0.5) 56%,
      rgba(5, 8, 15, 0.16) 92%
    ),
    linear-gradient(180deg, rgba(5, 8, 15, 0.42), transparent 34%, rgba(5, 8, 15, 0.82));
}

[dir="rtl"] .hero__bg {
  background-position: 56% 46%;
}

/* 阿拉伯语字形较宽，字号与行高微调提升可读性 */
[dir="rtl"] .hero h1 {
  line-height: 1.28;
  letter-spacing: 0;
}

[dir="rtl"] h1,
[dir="rtl"] h2,
[dir="rtl"] h3,
[dir="rtl"] h4 {
  letter-spacing: 0;
}

[dir="rtl"] .eyebrow {
  letter-spacing: 0.04em;
}

/* ==========================================================================
   13  响应式断点
   ========================================================================== */
@media (max-width: 1180px) {
  .nav__link {
    padding-inline: 10px;
    font-size: 13.5px;
  }
  .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .step:nth-child(3)::after {
    display: none;
  }
}

@media (max-width: 1040px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero__copy {
    max-width: none;
  }
  .pdp {
    grid-template-columns: 1fr;
    gap: 34px;
  }
  .pdp__gallery {
    position: static;
  }
  .cart-layout,
  .contact-layout,
  .split {
    grid-template-columns: 1fr;
    gap: 34px;
  }
  .summary {
    position: static;
  }
  .footer__top {
    grid-template-columns: 1fr 1fr;
    gap: 34px;
  }
}

@media (max-width: 940px) {
  .nav,
  .header__actions .btn,
  .header__actions .lang {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .header__inner {
    justify-content: space-between;
  }
  .grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .grid--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .stat-band {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .bcard--hero {
    grid-column: span 2;
  }
  .cta-band {
    padding: 40px 32px;
  }
  .section {
    padding-block: 68px;
  }
}

@media (max-width: 720px) {
  body {
    font-size: 15px;
  }
  .container {
    padding-inline: 18px;
  }
  .section {
    padding-block: 56px;
  }
  .hero {
    padding-block: 60px 56px;
  }
  .hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }
  .stat__num {
    font-size: 21px;
  }
  .stat__label {
    font-size: 11px;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .feature-list {
    grid-template-columns: 1fr;
  }
  .grid--auto {
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  }
  .steps {
    grid-template-columns: 1fr;
  }
  .step:not(:last-child)::after {
    display: none;
  }
  .news-item {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .news-item__date strong {
    display: inline;
    font-size: 15px;
    margin-inline-end: 6px;
  }
  .bcard--hero {
    grid-column: span 1;
  }
  /* 询盘车表格在窄屏转为卡片式堆叠 */
  .cart-table__head {
    display: none;
  }
  .cart-row {
    grid-template-columns: 1fr auto;
    gap: 12px;
    padding: 18px;
  }
  .cart-row__product {
    grid-column: 1 / -1;
  }
  .cart-row__del {
    grid-row: 2;
    grid-column: 2;
  }
  .cart-row__price::before {
    content: attr(data-label) " ";
    color: var(--ink-3);
    font-family: var(--font);
  }
  .cta-band {
    padding: 32px 22px;
  }
  .sec-head--row {
    align-items: flex-start;
  }
  .floaters {
    bottom: 18px;
    inset-inline-end: 18px;
  }
  .footer__top {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-block: 44px 34px;
  }
  .footer {
    margin-top: 64px;
  }
  .drawer {
    width: 100%;
    border-inline-start: 0;
  }
}

@media (max-width: 460px) {
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }
  .stat-band {
    grid-template-columns: 1fr;
  }
  .hero__cta .btn {
    width: 100%;
  }
  .toolbar .select {
    min-width: 0;
    width: 100%;
  }
  .toolbar__right {
    width: 100%;
  }
}