/* ============================================
   塞墨勒官网 - 全局样式
   saimole.cn / 蜀ICP备2024053630号-2
   ============================================ */

/* ---------- CSS变量 ---------- */
:root {
  /* 品牌色 */
  --primary: #e07b4a;
  --primary-dark: #c8632f;
  --primary-light: #f5a67c;
  --primary-bg: rgba(224, 123, 74, 0.08);

  /* 文字色 */
  --ink-1: #1a1612;
  --ink-2: #3d3630;
  --ink-3: #6b6259;
  --ink-light: #9a9087;

  /* 背景色 */
  --bg-1: #ffffff;
  --bg-2: #faf7f4;
  --bg-3: #f3ede7;
  --bg-dark: #2a2420;

  /* 线条 */
  --line: #e8e0d8;
  --line-light: #f0ebe5;

  /* 阴影 */
  --shadow-sm: 0 2px 8px rgba(26, 22, 18, 0.06);
  --shadow: 0 8px 24px rgba(26, 22, 18, 0.08);
  --shadow-lg: 0 16px 40px rgba(26, 22, 18, 0.12);

  /* 圆角 */
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* 字体 */
  --font-serif: "Noto Serif SC", "Songti SC", "SimSun", "STSong", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
    "Helvetica Neue", Helvetica, Arial, sans-serif;

  /* 过渡 */
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* 容器 */
  --max-width: 1280px;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-2);
  background: var(--bg-1);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

ul,
ol {
  list-style: none;
}

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

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  color: var(--ink-1);
  line-height: 1.3;
}

/* ---------- 容器 ---------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(224, 123, 74, 0.3);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(224, 123, 74, 0.4);
}

.btn-outline {
  border-color: var(--line);
  color: var(--ink-2);
  background: transparent;
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary-dark);
  background: var(--primary-bg);
}

.btn-ghost {
  color: var(--ink-3);
}

.btn-ghost:hover {
  color: var(--primary-dark);
}

.btn-lg {
  padding: 14px 36px;
  font-size: 16px;
}

.btn-white {
  background: #fff;
  color: var(--primary-dark);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* ---------- 通用分区 ---------- */
.section {
  padding: 100px 0;
}

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

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 2px;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 16px;
  position: relative;
}

.section-tag::before,
.section-tag::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 30px;
  height: 1px;
  background: var(--primary-light);
  opacity: 0.6;
}

.section-tag::before {
  right: calc(100% + 12px);
}

.section-tag::after {
  left: calc(100% + 12px);
}

.section-title {
  font-family: var(--font-serif);
  font-size: 38px;
  font-weight: 600;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 16px;
  color: var(--ink-3);
  max-width: 600px;
  margin: 0 auto;
}

.eyebrow {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 3px;
  color: var(--primary);
  text-transform: uppercase;
}

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
}

.site-header.scrolled {
  border-bottom-color: var(--line-light);
  box-shadow: var(--shadow-sm);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}

.logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.logo-text-group {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-text-main {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--ink-1);
  letter-spacing: 2px;
}

.logo-text-sub {
  font-size: 11px;
  color: var(--ink-light);
  letter-spacing: 1px;
  margin-top: 2px;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 8px;
}

.main-nav a {
  display: block;
  padding: 8px 18px;
  font-size: 15px;
  color: var(--ink-2);
  border-radius: 8px;
  position: relative;
  transition: all var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--primary-dark);
}

.main-nav a.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--ink-2);
  border-radius: 2px;
  transition: all var(--transition);
}

.mobile-mask {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  z-index: 90;
}

/* ---------- 页面头部 Hero (子页面用) ---------- */
.page-hero {
  padding: 160px 0 100px;
  background: linear-gradient(180deg, var(--bg-2) 0%, var(--bg-1) 100%);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--primary-bg) 0%, transparent 70%);
  border-radius: 50%;
}

.page-hero-inner {
  text-align: center;
  position: relative;
}

.page-hero-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 3px;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.page-hero h1 {
  font-family: var(--font-serif);
  font-size: 44px;
  font-weight: 600;
  letter-spacing: 2px;
  margin-bottom: 20px;
}

.page-hero p {
  font-size: 17px;
  color: var(--ink-3);
  max-width: 600px;
  margin: 0 auto;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 70px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 50px;
  padding-bottom: 50px;
}

.footer-brand .logo-text-main,
.footer-brand .logo-text-sub {
  color: #fff;
}

.footer-brand .logo-text-sub {
  opacity: 0.6;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  margin-top: 20px;
  opacity: 0.7;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: all var(--transition);
}

.footer-social a:hover {
  background: var(--primary);
  transform: translateY(-3px);
}

.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul li a {
  font-size: 14px;
  opacity: 0.7;
  transition: all var(--transition);
}

.footer-col ul li a:hover {
  opacity: 1;
  color: var(--primary-light);
  padding-left: 4px;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  line-height: 1.6;
}

.contact-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 4px;
  opacity: 0.6;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  opacity: 0.6;
}

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

.footer-bottom-links a:hover {
  opacity: 1;
  color: var(--primary-light);
}

/* ---------- 返回顶部 ---------- */
.back-to-top {
  position: fixed;
  right: 30px;
  bottom: 30px;
  width: 46px;
  height: 46px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(224, 123, 74, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition);
  z-index: 50;
}

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

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

/* ---------- 动画 ---------- */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .section {
    padding: 70px 0;
  }

  .section-title {
    font-size: 30px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .page-hero {
    padding: 130px 0 70px;
  }

  .page-hero h1 {
    font-size: 34px;
  }
}

@media (max-width: 768px) {
  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: #fff;
    box-shadow: -8px 0 30px rgba(0, 0, 0, 0.1);
    transition: right var(--transition);
    z-index: 100;
    padding: 80px 24px 24px;
  }

  .main-nav.open {
    right: 0;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .main-nav a {
    padding: 14px 16px;
    font-size: 16px;
  }

  .main-nav a.active::after {
    display: none;
  }

  .nav-actions {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .mobile-mask.show {
    display: block;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .section {
    padding: 56px 0;
  }

  .section-title {
    font-size: 26px;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .page-hero h1 {
    font-size: 28px;
  }

  .page-hero p {
    font-size: 15px;
  }

  .btn-lg {
    padding: 12px 28px;
    font-size: 15px;
  }

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

@media (max-width: 480px) {
  .container {
    padding: 0 18px;
  }

  .section-title {
    font-size: 22px;
    letter-spacing: 1px;
  }
}
/* ============================================
   子页面通用样式
   ============================================ */

/* ---------- 面包屑 ---------- */
.breadcrumb {
  padding: 20px 0;
  font-size: 13px;
  color: var(--ink-light);
}

.breadcrumb a {
  color: var(--ink-3);
}

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

.breadcrumb .sep {
  margin: 0 8px;
  opacity: 0.5;
}

.breadcrumb .current {
  color: var(--ink-2);
}

/* ---------- 内容区通用 ---------- */
.content-section {
  padding: 80px 0;
}

.content-section.section-alt {
  background: var(--bg-2);
}

/* ---------- 双栏布局 ---------- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.two-col-reverse .col-img {
  order: -1;
}

.col-text h2 {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--ink-1);
  letter-spacing: 1px;
}

.col-text p {
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-3);
  margin-bottom: 16px;
}

.col-text .lead {
  font-size: 17px;
  color: var(--ink-2);
  margin-bottom: 24px;
}

/* ---------- 特性列表 ---------- */
.feature-list {
  margin-top: 24px;
}

.feature-list li {
  display: flex;
  gap: 14px;
  padding: 10px 0;
  font-size: 15px;
  color: var(--ink-2);
}

.feature-list li::before {
  content: "✓";
  color: var(--primary);
  font-weight: bold;
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background: var(--primary-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  margin-top: 2px;
}

/* ---------- 卡片网格 ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.info-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px 28px;
  border: 1px solid var(--line-light);
  transition: all var(--transition);
}

.info-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: transparent;
}

.info-card-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-bg);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
  color: var(--primary-dark);
}

.info-card h3 {
  font-size: 18px;
  margin-bottom: 12px;
  color: var(--ink-1);
}

.info-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-3);
}

/* ---------- 时间线 ---------- */
.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--line);
}

.timeline-item {
  position: relative;
  padding-bottom: 36px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -40px;
  top: 4px;
  width: 26px;
  height: 26px;
  background: #fff;
  border: 3px solid var(--primary);
  border-radius: 50%;
  z-index: 1;
}

.timeline-year {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 6px;
}

.timeline-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink-1);
  margin-bottom: 6px;
}

.timeline-desc {
  font-size: 14px;
  color: var(--ink-3);
  line-height: 1.7;
}

/* ---------- FAQ ---------- */
.faq-wrapper {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
  transition: all var(--transition);
}

.faq-item:hover {
  border-color: var(--primary-light);
}

.faq-item.open {
  box-shadow: var(--shadow-sm);
  border-color: var(--primary-light);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  text-align: left;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink-2);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition);
}

.faq-item.open .faq-question {
  color: var(--primary-dark);
}

.faq-icon {
  font-size: 20px;
  color: var(--primary);
  flex-shrink: 0;
  transition: transform var(--transition);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer p {
  padding: 0 24px 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-3);
}

/* ---------- 联系表单 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
}

.contact-info-block {
  margin-bottom: 36px;
}

.contact-info-block h3 {
  font-size: 18px;
  margin-bottom: 18px;
  color: var(--ink-1);
  display: flex;
  align-items: center;
  gap: 10px;
}

.contact-info-block h3::before {
  content: "";
  width: 4px;
  height: 18px;
  background: var(--primary);
  border-radius: 2px;
}

.contact-info-item {
  display: flex;
  gap: 14px;
  padding: 10px 0;
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.7;
}

.contact-info-item .cii-icon {
  width: 36px;
  height: 36px;
  background: var(--primary-bg);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
  color: var(--primary-dark);
}

.contact-form {
  background: #fff;
  padding: 36px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-light);
}

.form-row {
  margin-bottom: 20px;
}

.form-row label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-2);
  margin-bottom: 8px;
}

.form-row input,
.form-row textarea,
.form-row select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 14px;
  color: var(--ink-2);
  background: #fff;
  transition: all var(--transition);
  outline: none;
}

.form-row input:focus,
.form-row textarea:focus,
.form-row select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(224, 123, 74, 0.1);
}

.form-row textarea {
  resize: vertical;
  min-height: 120px;
  font-family: inherit;
}

.form-row-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-submit {
  width: 100%;
  padding: 14px;
  font-size: 16px;
}

/* ---------- 产品详情页 ---------- */
.product-detail-hero {
  padding: 60px 0;
}

.product-detail-header {
  display: flex;
  gap: 30px;
  align-items: flex-start;
  margin-bottom: 40px;
}

.pd-icon {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 36px;
  flex-shrink: 0;
}

.pd-tag {
  display: inline-block;
  font-size: 12px;
  padding: 4px 12px;
  background: var(--primary-bg);
  color: var(--primary-dark);
  border-radius: 999px;
  margin-bottom: 12px;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.pd-name {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--ink-1);
}

.pd-desc {
  font-size: 16px;
  color: var(--ink-3);
  line-height: 1.8;
  max-width: 600px;
  margin-bottom: 24px;
}

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

/* 产品功能展示 */
.pd-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.pd-feature {
  background: #fff;
  padding: 28px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line-light);
  transition: all var(--transition);
}

.pd-feature:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: transparent;
}

.pd-feature-icon {
  font-size: 28px;
  margin-bottom: 14px;
}

.pd-feature h4 {
  font-size: 16px;
  margin-bottom: 8px;
  color: var(--ink-1);
}

.pd-feature p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-3);
}

/* ---------- 解决方案详情 ---------- */
.solution-hero {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 60px;
}

.solution-hero h2 {
  font-family: var(--font-serif);
  font-size: 38px;
  font-weight: 600;
  margin-bottom: 18px;
  color: var(--ink-1);
  letter-spacing: 1px;
}

.solution-hero p {
  font-size: 16px;
  color: var(--ink-3);
  line-height: 1.8;
}

.solution-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.solution-detail-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--line-light);
  display: flex;
  gap: 28px;
  transition: all var(--transition);
}

.solution-detail-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.sdc-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  flex-shrink: 0;
}

.sdc-content h3 {
  font-size: 22px;
  margin-bottom: 10px;
  color: var(--ink-1);
}

.sdc-content p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-3);
  margin-bottom: 14px;
}

.sdc-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 12px;
}

.sdc-features li {
  font-size: 13px;
  color: var(--ink-2);
  padding: 3px 0;
}

.sdc-features li::before {
  content: "✓ ";
  color: var(--primary);
  font-weight: bold;
}

/* ---------- 新闻列表 ---------- */
.news-list {
  max-width: 900px;
  margin: 0 auto;
}

.news-item {
  display: flex;
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line-light);
  transition: all var(--transition);
}

.news-item:hover {
  padding-left: 12px;
}

.news-item:last-child {
  border-bottom: none;
}

.news-item-thumb {
  width: 220px;
  height: 140px;
  border-radius: var(--radius);
  flex-shrink: 0;
  overflow: hidden;
  background: var(--bg-3);
}

.news-item-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.news-item-cat {
  font-size: 12px;
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}

.news-item-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink-1);
  margin-bottom: 10px;
  line-height: 1.4;
  transition: color var(--transition);
}

.news-item:hover .news-item-title {
  color: var(--primary-dark);
}

.news-item-desc {
  font-size: 14px;
  color: var(--ink-3);
  line-height: 1.7;
  flex: 1;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.news-item-meta {
  display: flex;
  gap: 20px;
  font-size: 13px;
  color: var(--ink-light);
  margin-top: 12px;
}

/* 分页 */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 50px;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 14px;
  border-radius: 10px;
  font-size: 14px;
  color: var(--ink-3);
  border: 1px solid var(--line-light);
  transition: all var(--transition);
}

.pagination a:hover {
  border-color: var(--primary);
  color: var(--primary-dark);
}

.pagination .current {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.pagination .disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ---------- 视觉占位图 ---------- */
.visual-placeholder {
  background: linear-gradient(135deg, var(--bg-2), var(--bg-3));
  border-radius: var(--radius-lg);
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.visual-placeholder::before {
  content: "";
  position: absolute;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--primary-bg), transparent 70%);
  border-radius: 50%;
}

.visual-placeholder .vp-icon {
  font-size: 80px;
  position: relative;
  z-index: 1;
  opacity: 0.6;
}

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .two-col {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .two-col-reverse .col-img {
    order: 0;
  }

  .col-text h2 {
    font-size: 26px;
  }

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

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .solution-cards {
    grid-template-columns: 1fr;
  }

  .solution-hero h2 {
    font-size: 30px;
  }
}

@media (max-width: 768px) {
  .content-section {
    padding: 56px 0;
  }

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

  .pd-features {
    grid-template-columns: 1fr;
  }

  .product-detail-header {
    flex-direction: column;
    gap: 20px;
  }

  .pd-icon {
    width: 64px;
    height: 64px;
    font-size: 28px;
  }

  .pd-name {
    font-size: 28px;
  }

  .form-row-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .contact-form {
    padding: 24px;
  }

  .faq-question {
    font-size: 14px;
    padding: 16px 18px;
  }

  .faq-answer p {
    padding: 0 18px 16px;
  }

  .news-item {
    flex-direction: column;
    gap: 16px;
  }

  .news-item-thumb {
    width: 100%;
    height: 180px;
  }

  .solution-detail-card {
    flex-direction: column;
    gap: 20px;
    padding: 28px;
  }

  .sdc-features {
    grid-template-columns: 1fr;
  }

  .timeline {
    padding-left: 32px;
  }

  .timeline-dot {
    left: -32px;
    width: 22px;
    height: 22px;
  }
}
/* ============================================
   首页专属样式
   ============================================ */

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 160px 0 120px;
  overflow: hidden;
  background: linear-gradient(180deg, #fdf8f4 0%, #ffffff 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
}

.glow-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(224, 123, 74, 0.25), transparent 70%);
  top: -150px;
  right: -100px;
  animation: float 8s ease-in-out infinite;
}

.glow-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(245, 198, 165, 0.3), transparent 70%);
  bottom: -100px;
  left: 10%;
  animation: float 10s ease-in-out infinite reverse;
}

.hero-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(224, 123, 74, 0.04) 1px, transparent 1px),
    radial-gradient(circle at 70% 60%, rgba(224, 123, 74, 0.04) 1px, transparent 1px);
  background-size: 60px 60px, 80px 80px;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -20px); }
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--primary-bg);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: var(--primary-dark);
  margin-bottom: 24px;
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: 52px;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 2px;
  margin-bottom: 24px;
  color: var(--ink-1);
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 17px;
  line-height: 1.8;
  color: var(--ink-3);
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.arrow {
  transition: transform var(--transition);
}

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

.hero-trust {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--ink-3);
}

.trust-icon {
  width: 20px;
  height: 20px;
  background: var(--primary-bg);
  color: var(--primary-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: bold;
}

/* Hero Visual - 卡片堆叠 */
.hero-visual {
  position: relative;
  height: 520px;
}

.hero-card-stack {
  position: relative;
  width: 100%;
  height: 100%;
}

/* 主卡 - 居中偏右 */
.hero-card.main {
  position: absolute;
  width: 360px;
  top: 40px;
  right: 0;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  z-index: 2;
  animation: cardFloat 6s ease-in-out infinite;
}

/* 左上小卡 - 数据卡 */
.hero-card.sub-top {
  position: absolute;
  width: 240px;
  top: 0;
  left: 20px;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  z-index: 3;
  animation: cardFloat 7s ease-in-out infinite 0.5s;
}

/* 左下小卡 - 花材素材 */
.hero-card.sub-bottom {
  position: absolute;
  width: 280px;
  bottom: 20px;
  left: 0;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  z-index: 1;
  animation: cardFloat 8s ease-in-out infinite 1s;
}

@keyframes cardFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.hc-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line-light);
  background: var(--bg-2);
}

.hc-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.hc-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
}

.hc-body {
  padding: 16px 20px;
}

/* 花材网格 */
.hc-flower-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.hc-flower {
  aspect-ratio: 1;
  border-radius: 8px;
  position: relative;
  overflow: hidden;
}

.hc-flower::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, transparent 40%, rgba(255,255,255,0.3) 50%, transparent 60%);
}

.hc-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--ink-light);
}

.hc-tag {
  padding: 3px 10px;
  background: var(--primary-bg);
  color: var(--primary-dark);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
}

/* 订单行 */
.hc-order-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-light);
}

.hc-order-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.hc-order-row:first-child {
  padding-top: 0;
}

.hc-store-icon {
  width: 36px;
  height: 36px;
  background: var(--bg-2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
  color: var(--primary);
}

.hc-order-info {
  flex: 1;
  min-width: 0;
}

.hc-store-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
  margin-bottom: 2px;
}

.hc-order-desc {
  font-size: 11px;
  color: var(--ink-light);
}

.hc-status {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 999px;
  font-weight: 500;
  flex-shrink: 0;
}

.status-success {
  background: rgba(76, 175, 80, 0.1);
  color: #4caf50;
}

.status-warning {
  background: rgba(255, 152, 0, 0.1);
  color: #ff9800;
}

/* 数据卡 */
.hc-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-light);
}

.hc-stat {
  background: #fff;
  padding: 16px 10px;
  text-align: center;
}

.hc-stat-num {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-dark);
  font-family: var(--font-serif);
  margin-bottom: 4px;
}

.hc-stat-label {
  font-size: 10px;
  color: var(--ink-light);
}

/* ---------- 合作伙伴条 ---------- */
.partner-strip {
  padding: 40px 0;
  background: #fff;
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}

.partner-strip .container {
  display: flex;
  align-items: center;
  gap: 50px;
  flex-wrap: wrap;
}

.partner-label {
  font-size: 13px;
  color: var(--ink-light);
  letter-spacing: 1px;
  white-space: nowrap;
}

.partner-logos {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  flex: 1;
}

.partner-logo {
  font-size: 16px;
  font-weight: 500;
  color: var(--ink-3);
  opacity: 0.6;
  transition: all var(--transition);
  letter-spacing: 1px;
}

.partner-logo:hover {
  opacity: 1;
  color: var(--primary-dark);
}

/* ---------- 产品矩阵 ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.product-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  border: 1px solid var(--line-light);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  text-align: center;
  align-items: center;
}

.product-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary);
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.product-card:hover::before {
  transform: scaleX(1);
}

.product-card.featured {
  border-color: var(--primary-light);
  background: linear-gradient(180deg, #fff8f3 0%, #ffffff 60%);
}

.product-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: #fff;
}

.icon-orange {
  background: linear-gradient(135deg, #f5a67c, #e07b4a);
}

.icon-blue {
  background: linear-gradient(135deg, #8bb4f7, #5b8def);
}

.icon-pink {
  background: linear-gradient(135deg, #f5b0c0, #d08f9e);
}

.icon-green {
  background: linear-gradient(135deg, #9dc4a6, #5c8a6a);
}

.icon-purple {
  background: linear-gradient(135deg, #b8a4d8, #7c6ab0);
}

.product-icon svg {
  width: 26px;
  height: 26px;
}

.product-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--bg-3);
  color: var(--ink-3);
  margin-bottom: 14px;
  width: fit-content;
  letter-spacing: 0.5px;
}

.product-badge-hot {
  background: linear-gradient(135deg, #ff9a56, #ff6b6b);
  color: #fff;
}

.product-name {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--ink-1);
}

.product-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-3);
  margin-bottom: 20px;
  flex: 1;
}

.product-features {
  margin-bottom: 24px;
  text-align: left;
  align-self: stretch;
}

.product-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-2);
  padding: 5px 0;
}

.pf-check {
  color: var(--primary);
  font-weight: bold;
  font-size: 12px;
}

.product-footer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding-top: 18px;
  border-top: 1px solid var(--line-light);
  font-size: 13px;
  color: var(--primary-dark);
  font-weight: 500;
  width: 100%;
}

.product-arrow {
  transition: transform var(--transition);
}

.product-card:hover .product-arrow {
  transform: translate(3px, -3px);
}

/* ---------- 数据实力 ---------- */
.stats-section {
  padding: 70px 0;
}

.stats-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}

.stats-num {
  font-family: var(--font-serif);
  font-size: 44px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 8px;
  line-height: 1;
}

.stats-num .unit {
  font-size: 24px;
  margin-left: 2px;
}

.stats-label {
  font-size: 14px;
  color: var(--ink-3);
}

/* ---------- 解决方案 ---------- */
.solution-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.solution-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 36px 28px;
  border: 1px solid var(--line-light);
  transition: all var(--transition);
}

.solution-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--primary-light);
}

.solution-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--primary-dark);
}

.solution-icon svg {
  width: 28px;
  height: 28px;
}

.solution-card h3 {
  font-size: 18px;
  margin-bottom: 12px;
  color: var(--ink-1);
}

.solution-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-3);
  margin-bottom: 20px;
}

.solution-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--primary-dark);
  transition: all var(--transition);
}

.solution-link:hover {
  color: var(--primary);
}

/* ---------- 公司优势 ---------- */
.advantage-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
}

.advantage-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.adv-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.adv-icon-wrap {
  width: 48px;
  height: 48px;
  background: #fff;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.adv-icon-wrap svg {
  width: 22px;
  height: 22px;
}

.adv-item h4 {
  font-size: 17px;
  margin-bottom: 6px;
  color: var(--ink-1);
}

.adv-item p {
  font-size: 14px;
  color: var(--ink-3);
  line-height: 1.7;
}

.advantage-visual {
  display: flex;
  justify-content: center;
}

.adv-big-card {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 440px;
}

.adv-bc-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--ink-1);
  margin-bottom: 6px;
}

.adv-bc-sub {
  font-size: 13px;
  color: var(--ink-light);
  margin-bottom: 32px;
}

.adv-flow {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.adv-flow-item {
  display: grid;
  grid-template-columns: 50px 1fr;
  gap: 16px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px dashed var(--line);
}

.adv-flow-item:last-child {
  border-bottom: none;
}

.af-num {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
  opacity: 0.3;
  text-align: center;
}

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

.af-label {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-2);
}

.af-desc {
  font-size: 13px;
  color: var(--ink-light);
}

.af-arrow {
  display: none;
}

/* ---------- 新闻动态 ---------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 50px;
}

.news-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-light);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

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

.news-thumb {
  aspect-ratio: 16 / 9;
  position: relative;
  overflow: hidden;
}

.news-cat {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 4px 12px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-2);
}

.news-body {
  padding: 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.news-date {
  font-size: 12px;
  color: var(--ink-light);
  margin-bottom: 10px;
}

.news-body h3 {
  font-size: 17px;
  line-height: 1.5;
  margin-bottom: 12px;
  color: var(--ink-1);
}

.news-body p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-3);
  flex: 1;
}

.section-more {
  text-align: center;
}

/* ---------- CTA ---------- */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  text-align: center;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(255,255,255,0.08) 0%, transparent 50%);
}

.cta-inner {
  position: relative;
}

.cta-section h2 {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 16px;
  opacity: 0.9;
  margin-bottom: 32px;
  line-height: 1.8;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1280px) {
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .hero h1 { font-size: 44px; }
  .hero-card.main { width: 320px; top: 40px; right: 0; }
  .hero-card.sub-top { width: 220px; top: 0; left: 10px; }
  .hero-card.sub-bottom { width: 250px; bottom: 20px; left: 0; }
}

@media (max-width: 1100px) {
  .product-grid,
  .solution-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero h1 {
    font-size: 36px;
  }
  .hero-visual { height: 420px; }
  .hero-card.main { width: 280px; top: 30px; right: 0; }
  .hero-card.sub-top { width: 200px; top: 0; left: 0; }
  .hero-card.sub-bottom { width: 230px; bottom: 10px; left: 10px; }
}

@media (max-width: 960px) {
  .hero {
    padding: 120px 0 80px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }

  .hero-visual {
    height: 340px;
    max-width: 420px;
    margin: 0 auto;
  }

  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-badge {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-trust {
    justify-content: center;
  }

  .hero-card.main { width: 250px; top: 20px; right: 0; }
  .hero-card.sub-top { width: 180px; top: 0; left: 10px; }
  .hero-card.sub-bottom { width: 210px; bottom: 0; left: 20px; }

  .hero h1 {
    font-size: 32px;
  }

  .advantage-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .stats-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }

  .news-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 100px 0 60px;
  }

  .hero h1 {
    font-size: 28px;
    letter-spacing: 1px;
  }

  .hero-desc {
    font-size: 15px;
    margin-bottom: 28px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

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

  .hero-trust {
    gap: 16px;
  }

  .hero-visual {
    height: 320px;
    max-width: 360px;
  }

  .hero-card.main { width: 200px; top: 10px; right: 0; }
  .hero-card.sub-top { width: 150px; top: 0; left: 0; }
  .hero-card.sub-bottom { width: 170px; bottom: 0; left: 10px; }

  .hc-header { padding: 10px 14px; }
  .hc-title { font-size: 11px; }
  .hc-body { padding: 12px 14px; }
  .hc-order-row { padding: 7px 0; }
  .hc-store-name { font-size: 11px; }
  .hc-order-desc { font-size: 10px; }
  .hc-stat { padding: 10px 6px; }
  .hc-stat-num { font-size: 14px; }
  .hc-stat-label { font-size: 9px; }
  .hc-meta { font-size: 10px; }
  .hc-tag { padding: 2px 6px; font-size: 10px; }

  .product-grid,
  .solution-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .product-card {
    padding: 24px 20px;
  }

  .product-name {
    font-size: 20px;
  }

  .stats-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .stats-num {
    font-size: 32px;
  }

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

  .cta-section h2 {
    font-size: 26px;
  }

  .partner-strip .container {
    gap: 20px;
  }

  .partner-logos {
    gap: 20px;
  }

  .partner-logo {
    font-size: 14px;
  }

  .adv-big-card {
    padding: 28px 24px;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 90px 0 60px;
  }
  .hero h1 {
    font-size: 24px;
  }

  .hero-visual {
    height: auto;
    max-width: 100%;
  }

  .hero-card-stack {
    display: flex;
    flex-direction: column;
    gap: 14px;
  }

  .hero-card.main,
  .hero-card.sub-top,
  .hero-card.sub-bottom {
    position: relative;
    width: 100%;
    top: auto;
    right: auto;
    bottom: auto;
    left: auto;
    animation: none;
  }

  .stats-num {
    font-size: 28px;
  }
}
/* ============================================
   新闻详情页样式
   ============================================ */

/* 文章头部 */
.article-hero {
  padding: 140px 0 60px;
  background: linear-gradient(180deg, #fdf8f4 0%, #ffffff 100%);
}

.article-hero.hero-blue { background: linear-gradient(180deg, #f0f6ff 0%, #ffffff 100%); }
.article-hero.hero-pink { background: linear-gradient(180deg, #fff5f7 0%, #ffffff 100%); }
.article-hero.hero-green { background: linear-gradient(180deg, #f0faf2 0%, #ffffff 100%); }
.article-hero.hero-purple { background: linear-gradient(180deg, #f5f2fb 0%, #ffffff 100%); }
.article-hero.hero-amber { background: linear-gradient(180deg, #fff8ee 0%, #ffffff 100%); }

.article-breadcrumb {
  font-size: 13px;
  color: var(--ink-3);
  margin-bottom: 24px;
}
.article-breadcrumb a {
  color: var(--ink-3);
  transition: color var(--transition);
}
.article-breadcrumb a:hover {
  color: var(--primary-dark);
}
.article-breadcrumb .sep {
  margin: 0 8px;
  opacity: 0.5;
}

.article-cat-tag {
  display: inline-block;
  padding: 5px 16px;
  background: var(--primary-bg);
  color: var(--primary-dark);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 20px;
}
.article-cat-tag.cat-blue { background: rgba(91,141,239,0.1); color: #3a6fd4; }
.article-cat-tag.cat-pink { background: rgba(208,143,158,0.15); color: #b86b7c; }
.article-cat-tag.cat-green { background: rgba(92,138,106,0.12); color: #4a7055; }
.article-cat-tag.cat-purple { background: rgba(124,106,176,0.12); color: #6a58a0; }
.article-cat-tag.cat-amber { background: rgba(255,159,67,0.12); color: #e08620; }

.article-title {
  font-family: var(--font-serif);
  font-size: 42px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink-1);
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--ink-light);
  font-size: 14px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.article-meta .dot {
  width: 4px;
  height: 4px;
  background: var(--ink-light);
  border-radius: 50%;
  opacity: 0.5;
}

/* 文章正文 */
.article-body {
  max-width: 960px;
  margin: 0 auto;
  padding: 60px 0 80px;
}
.article-body h2 {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 600;
  color: var(--ink-1);
  margin-top: 48px;
  margin-bottom: 20px;
  padding-left: 16px;
  border-left: 4px solid var(--primary);
  line-height: 1.4;
}
.article-body h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink-1);
  margin-top: 36px;
  margin-bottom: 16px;
}
.article-body p {
  font-size: 16px;
  line-height: 2;
  color: var(--ink-2);
  margin-bottom: 20px;
}
.article-body p strong {
  color: var(--ink-1);
  font-weight: 600;
}
.article-body a {
  color: var(--primary-dark);
  transition: color var(--transition);
}
.article-body a:hover {
  color: var(--primary);
}
.article-body blockquote {
  margin: 28px 0;
  padding: 20px 28px;
  background: var(--bg-2);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-2);
}
.article-body ul,
.article-body ol {
  margin: 20px 0;
  padding-left: 24px;
}
.article-body li {
  font-size: 15px;
  line-height: 2;
  color: var(--ink-2);
  margin-bottom: 8px;
}
.article-body li::marker {
  color: var(--primary);
}

/* 高亮框 */
.highlight-box {
  background: var(--primary-bg);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  margin: 32px 0;
}
.highlight-box.box-blue { background: rgba(91,141,239,0.08); }
.highlight-box.box-blue h4 { color: #3a6fd4; }
.highlight-box.box-pink { background: rgba(208,143,158,0.1); }
.highlight-box.box-pink h4 { color: #b86b7c; }
.highlight-box.box-green { background: rgba(92,138,106,0.08); }
.highlight-box.box-green h4 { color: #4a7055; }
.highlight-box h4 {
  color: var(--primary-dark);
  margin-bottom: 10px;
  font-size: 17px;
}
.highlight-box p {
  margin-bottom: 0;
  color: var(--ink-2);
  font-size: 15px;
}

/* 数据卡片组 */
.data-card {
  background: linear-gradient(135deg, #fff5ee, #fde0cc);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin: 32px 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  text-align: center;
}
.data-card.card-pink { background: linear-gradient(135deg, #fff0f3, #fcd0d8); }
.data-card.card-pink .dc-num { color: #b86b7c; }
.data-card.card-pink .dc-label { color: #8a5261; }
.dc-num {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 4px;
}
.dc-label {
  font-size: 13px;
  color: #a05a2c;
}

/* 代码块 */
.code-box {
  background: #1e1e2e;
  color: #cdd6f4;
  border-radius: var(--radius);
  padding: 24px;
  margin: 24px 0;
  font-size: 13px;
  line-height: 1.7;
  overflow-x: auto;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}
.code-box .comment { color: #6c7086; }
.code-box .keyword { color: #cba6f7; }
.code-box .string { color: #a6e3a1; }
.code-box .func { color: #89b4fa; }

/* 文章导航（上/下一篇） */
.article-nav {
  max-width: 960px;
  margin: 0 auto 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  border-top: 1px solid var(--line-light);
  padding-top: 40px;
}
.article-nav a {
  display: block;
  padding: 20px 24px;
  background: #fff;
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.article-nav a:hover {
  border-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.article-nav a.next { text-align: right; }
.an-label {
  font-size: 12px;
  color: var(--ink-light);
  letter-spacing: 1px;
  margin-bottom: 8px;
}
.an-title {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-1);
  line-height: 1.5;
}

/* 相关推荐 */
.related-section {
  padding-bottom: 80px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-light);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.rc-thumb {
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}
.rc-thumb svg {
  width: 40px;
  height: 40px;
  opacity: 0.85;
}
.rc-body { padding: 18px 20px; flex: 1; display: flex; flex-direction: column; }
.rc-cat {
  font-size: 12px;
  color: var(--primary-dark);
  margin-bottom: 8px;
  font-weight: 500;
}
.rc-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-1);
  line-height: 1.5;
  margin-bottom: 8px;
  flex: 1;
}
.rc-date {
  font-size: 12px;
  color: var(--ink-light);
}

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .article-title { font-size: 32px; }
  .article-body h2 { font-size: 22px; }
  .article-body p { font-size: 15px; }
  .related-grid { grid-template-columns: 1fr; }
  .data-card { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 640px) {
  .article-hero { padding: 110px 0 40px; }
  .article-title { font-size: 24px; }
  .article-meta { gap: 12px; font-size: 13px; }
  .article-meta .dot { display: none; }
  .article-body { padding: 40px 0 50px; }
  .article-body h2 { font-size: 20px; }
  .article-nav { grid-template-columns: 1fr; }
  .article-nav a.next { text-align: left; }
  .code-box { font-size: 12px; padding: 16px; }
  .highlight-box { padding: 20px; }
  .data-card { padding: 24px; }
}