@charset "UTF-8";

/* ==========================================================================
   Deepcoin 深币交易所 - 全站共用样式表
   配色：深邃蓝紫 + 科技金，专业金融科技风格
   ========================================================================== */

/* ---------- CSS 变量 ---------- */
:root {
  /* 主色系 */
  --color-primary: #5b4bff;
  --color-primary-dark: #3f32d9;
  --color-primary-light: #8a7dff;
  --color-primary-soft: #eeebff;
  --color-accent: #f5b942;
  --color-accent-dark: #d99a1e;
  --color-accent-soft: #fdf4de;

  /* 中性色 */
  --color-bg: #ffffff;
  --color-bg-soft: #f6f7fb;
  --color-bg-dark: #0e0d2b;
  --color-bg-dark-2: #17163f;
  --color-text: #1a1a2e;
  --color-text-soft: #5a5f73;
  --color-text-light: #8b90a3;
  --color-border: #e5e7f0;
  --color-white: #ffffff;

  /* 功能色 */
  --color-success: #1fbf75;
  --color-danger: #f0475c;

  /* 圆角 */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  /* 阴影 */
  --shadow-sm: 0 2px 8px rgba(20, 20, 60, 0.06);
  --shadow-md: 0 10px 30px rgba(20, 20, 60, 0.09);
  --shadow-lg: 0 24px 60px rgba(20, 20, 60, 0.16);
  --shadow-primary: 0 14px 34px rgba(91, 75, 255, 0.32);

  /* 布局 */
  --container: 1200px;
  --nav-height: 74px;

  /* 过渡 */
  --transition: 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);

  /* 字体 */
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", -apple-system,
    "Segoe UI", sans-serif;
}

/* ---------- 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: 1.75;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

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

ul,
ol {
  list-style: none;
}

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

input,
textarea,
select {
  font-family: inherit;
  font-size: 16px;
}

/* ---------- 通用排版 ---------- */
h1,
h2,
h3,
h4,
h5 {
  line-height: 1.3;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.01em;
}

h1 {
  font-size: clamp(2rem, 4.4vw, 3.3rem);
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.35rem);
}

h3 {
  font-size: clamp(1.15rem, 2vw, 1.4rem);
}

p {
  color: var(--color-text-soft);
  margin-bottom: 1em;
}

p:last-child {
  margin-bottom: 0;
}

strong {
  color: var(--color-text);
  font-weight: 700;
}

/* ---------- 布局容器 ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: 860px;
}

.section {
  padding: 92px 0;
  position: relative;
}

.section-sm {
  padding: 60px 0;
}

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

.section-dark {
  background: var(--color-bg-dark);
  color: var(--color-white);
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-white);
}

.section-dark p {
  color: rgba(255, 255, 255, 0.72);
}

/* ---------- 区块标题 ---------- */
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 58px;
}

.section-head.align-left {
  text-align: left;
  margin-left: 0;
}

.eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 18px;
}

.section-dark .eyebrow {
  color: var(--color-accent);
  background: rgba(245, 185, 66, 0.12);
}

.section-title {
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.06rem;
  color: var(--color-text-soft);
}

.section-dark .section-desc {
  color: rgba(255, 255, 255, 0.7);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  transition: transform var(--transition), box-shadow var(--transition),
    background var(--transition), color var(--transition);
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white);
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  color: var(--color-white);
  transform: translateY(-3px);
  box-shadow: 0 20px 44px rgba(91, 75, 255, 0.42);
}

.btn-accent {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: #2e2405;
  box-shadow: 0 14px 34px rgba(245, 185, 66, 0.35);
}

.btn-accent:hover {
  color: #2e2405;
  transform: translateY(-3px);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}

.btn-ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-3px);
}

.section-dark .btn-ghost {
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.28);
}

.section-dark .btn-ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-lg {
  padding: 17px 42px;
  font-size: 1.06rem;
}

.btn-block {
  width: 100%;
}

/* ---------- 通用卡片 ---------- */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: transform var(--transition), box-shadow var(--transition),
    border-color var(--transition);
}

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

.card-icon {
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 22px;
}

.card-icon.accent {
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
}

.card h3 {
  margin-bottom: 12px;
}

.card p {
  font-size: 0.96rem;
}

/* ---------- 网格工具类 ---------- */
.grid {
  display: grid;
  gap: 28px;
}

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

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

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

.grid-auto {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

/* ---------- 间距 / 文字工具类 ---------- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-primary { color: var(--color-primary); }
.text-accent { color: var(--color-accent); }
.text-soft { color: var(--color-text-soft); }
.text-light { color: var(--color-text-light); }
.fw-700 { font-weight: 700; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 40px; }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 40px; }

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-wrap { flex-wrap: wrap; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }

/* ==========================================================================
   导航栏
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.12rem;
  color: var(--color-text);
  max-width: 60%;
}

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

.brand-mark {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  box-shadow: 0 6px 16px rgba(91, 75, 255, 0.35);
}

.brand-name {
  line-height: 1.25;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links a {
  display: block;
  padding: 9px 16px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-soft);
  border-radius: var(--radius-pill);
  transition: color var(--transition), background var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-primary);
  background: var(--color-primary-soft);
}

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

.nav-actions .btn {
  padding: 10px 24px;
  font-size: 0.92rem;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  padding: 0 11px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   Hero 主视觉区
   ========================================================================== */
.hero {
  position: relative;
  overflow: hidden;
  padding: 90px 0 100px;
  background: radial-gradient(
      1200px 600px at 85% -10%,
      rgba(91, 75, 255, 0.18),
      transparent 60%
    ),
    radial-gradient(900px 500px at 5% 10%, rgba(245, 185, 66, 0.14), transparent 55%),
    linear-gradient(180deg, #fbfbff 0%, #f4f4fb 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 7px 16px;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 0 4px rgba(31, 191, 117, 0.16);
}

.hero-title {
  margin-bottom: 22px;
  letter-spacing: -0.015em;
}

.hero-title .grad {
  background: linear-gradient(120deg, var(--color-primary), #9b6bff 55%, var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero-desc {
  font-size: 1.1rem;
  max-width: 560px;
  margin-bottom: 34px;
}

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

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
}

.hero-stat strong {
  display: block;
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.2;
}

.hero-stat span {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.hero-float-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 22px;
  box-shadow: var(--shadow-md);
  animation: floatY 5s ease-in-out infinite;
}

.hero-float-card.card-1 {
  top: -22px;
  left: -26px;
}

.hero-float-card.card-2 {
  bottom: -26px;
  right: -18px;
  animation-delay: 1.6s;
}

.float-label {
  font-size: 0.78rem;
  color: var(--color-text-light);
  margin-bottom: 2px;
}

.float-value {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-primary);
}

.float-value.up {
  color: var(--color-success);
}

/* ==========================================================================
   核心特性
   ========================================================================== */
.feature-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 34px 30px;
  height: 100%;
  transition: transform var(--transition), box-shadow var(--transition),
    border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

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

.feature-card:hover::after {
  transform: scaleX(1);
}

.feature-card h3 {
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.96rem;
  margin-bottom: 0;
}

/* ==========================================================================
   服务介绍
   ========================================================================== */
.service-list {
  display: grid;
  gap: 24px;
}

.service-item {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 26px;
  align-items: start;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 30px 32px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.service-item:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
}

.service-num {
  width: 84px;
  height: 84px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-primary-soft), #fff);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-primary);
}

.service-item h3 {
  margin-bottom: 8px;
}

.service-item p {
  margin-bottom: 0;
  font-size: 0.97rem;
}

/* ==========================================================================
   数据展示 / 统计
   ========================================================================== */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  text-align: center;
  padding: 36px 20px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.stat-num {
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  font-weight: 800;
  background: linear-gradient(120deg, var(--color-primary), #9b6bff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  line-height: 1.15;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.94rem;
  color: var(--color-text-soft);
}

/* ==========================================================================
   FAQ 常见问题
   ========================================================================== */
.faq-list {
  display: grid;
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition), border-color var(--transition);
}

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

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 28px;
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  position: relative;
}

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

.faq-item summary::after {
  content: "+";
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--color-primary);
  transition: transform var(--transition);
  line-height: 1;
}

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

.faq-answer {
  padding: 0 28px 24px;
  font-size: 0.97rem;
  color: var(--color-text-soft);
}

/* ==========================================================================
   CTA 行动号召
   ========================================================================== */
.cta-band {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  padding: 72px 48px;
  text-align: center;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary) 55%, #7a5cff);
  box-shadow: var(--shadow-primary);
}

.cta-band::before,
.cta-band::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
  opacity: 0.4;
}

.cta-band::before {
  width: 320px;
  height: 320px;
  top: -140px;
  right: -80px;
  background: radial-gradient(circle, rgba(245, 185, 66, 0.6), transparent 70%);
}

.cta-band::after {
  width: 260px;
  height: 260px;
  bottom: -120px;
  left: -60px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.4), transparent 70%);
}

.cta-band h2 {
  color: var(--color-white);
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 640px;
  margin: 0 auto 34px;
  position: relative;
  z-index: 1;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.cta-band .btn-accent {
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.2);
}

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer {
  background: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.72);
  padding: 72px 0 0;
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 52px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}

.footer-brand .brand {
  color: var(--color-white);
  margin-bottom: 18px;
}

.footer-brand p {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.6);
  max-width: 320px;
}

.footer-col h4 {
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: 20px;
  font-weight: 700;
}

.footer-col ul {
  display: grid;
  gap: 12px;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.92rem;
}

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

.footer-contact li {
  display: flex;
  gap: 10px;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.62);
}

.footer-contact li strong {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 600;
}

.footer-bottom {
  padding: 26px 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.45);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.6);
}

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

.footer-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.footer-tags span {
  font-size: 0.78rem;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.5);
}

/* ==========================================================================
   页面英雄（内页通用）
   ========================================================================== */
.page-hero {
  padding: 74px 0 66px;
  background: radial-gradient(900px 420px at 80% -20%, rgba(91, 75, 255, 0.16), transparent 60%),
    linear-gradient(180deg, #fbfbff, #f4f4fb);
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.page-hero h1 {
  margin-bottom: 18px;
}

.page-hero p {
  max-width: 680px;
  margin: 0 auto;
  font-size: 1.06rem;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  align-items: center;
  font-size: 0.86rem;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

.breadcrumb a {
  color: var(--color-text-soft);
}

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

.breadcrumb .sep {
  color: var(--color-text-light);
}

/* ==========================================================================
   关于页：品牌故事 / 时间线
   ========================================================================== */
.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.story-media img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.story-content h2 {
  margin-bottom: 18px;
}

.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding-left: 32px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
  opacity: 0.4;
}

.timeline-item {
  position: relative;
  padding: 0 0 40px 30px;
}

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

.timeline-item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-white);
  border: 4px solid var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-soft);
}

.timeline-year {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  padding: 3px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 10px;
}

.timeline-item h3 {
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.timeline-item p {
  margin-bottom: 0;
  font-size: 0.96rem;
}

/* 价值观卡片 */
.value-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  height: 100%;
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.value-card h3 {
  margin-bottom: 10px;
}

.value-card p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

/* ==========================================================================
   产品页：分类导航 / 产品网格 / 产品优势
   ========================================================================== */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 48px;
}

.filter-btn {
  padding: 9px 22px;
  border-radius: var(--radius-pill);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text-soft);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.filter-btn:hover {
  color: var(--color-primary);
  border-color: var(--color-primary-light);
}

.filter-btn.active {
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-color: transparent;
  box-shadow: var(--shadow-primary);
}

.product-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition),
    border-color var(--transition);
}

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

.product-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.product-logo {
  width: 52px;
  height: 52px;
  flex: 0 0 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
}

.product-logo.accent {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: #2e2405;
}

.product-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.product-sub {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.product-card p {
  font-size: 0.95rem;
  flex: 1;
}

.product-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px dashed var(--color-border);
}

.tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

.tag.accent {
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
}

.tag.neutral {
  background: var(--color-bg-soft);
  color: var(--color-text-soft);
}

/* 产品优势（分栏图文） */
.advantage-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  margin-bottom: 80px;
}

.advantage-row:last-child {
  margin-bottom: 0;
}

.advantage-row.reverse .advantage-media {
  order: 2;
}

.advantage-media img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

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

.advantage-list li {
  display: flex;
  gap: 12px;
  font-size: 0.98rem;
  color: var(--color-text-soft);
}

.advantage-list li::before {
  content: "✓";
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  margin-top: 3px;
}

/* ==========================================================================
   新闻页：列表卡片 / 分类标签 / 分页
   ========================================================================== */
.news-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  align-items: start;
}

.news-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 34px;
}

.news-tabs a {
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-soft);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.news-tabs a:hover,
.news-tabs a.active {
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-color: transparent;
}

.news-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: grid;
  grid-template-columns: 260px 1fr;
  transition: transform var(--transition), box-shadow var(--transition);
  margin-bottom: 24px;
}

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

.news-thumb {
  overflow: hidden;
}

.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--transition);
}

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

.news-body {
  padding: 28px 30px;
  display: flex;
  flex-direction: column;
}

.news-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.news-meta .cat {
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  padding: 3px 12px;
  border-radius: var(--radius-pill);
}

.news-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  line-height: 1.45;
}

.news-card h3 a {
  color: var(--color-text);
}

.news-card h3 a:hover {
  color: var(--color-primary);
}

.news-card .excerpt {
  font-size: 0.94rem;
  margin-bottom: 18px;
}

.news-more {
  margin-top: auto;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.news-more::after {
  content: "→";
  transition: transform var(--transition);
}

.news-more:hover::after {
  transform: translateX(4px);
}

/* 分页 */
.pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 44px;
}

.pagination a,
.pagination span {
  min-width: 42px;
  height: 42px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text-soft);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

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

.pagination .current {
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-color: transparent;
}

/* 侧栏 */
.sidebar {
  display: grid;
  gap: 28px;
}

.side-widget {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 26px;
}

.side-widget h3 {
  font-size: 1.05rem;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-border);
}

.side-list {
  display: grid;
  gap: 14px;
}

.side-list li a {
  display: block;
  font-size: 0.92rem;
  color: var(--color-text-soft);
  line-height: 1.6;
  transition: color var(--transition);
}

.side-list li a:hover {
  color: var(--color-primary);
}

.side-list .date {
  display: block;
  font-size: 0.78rem;
  color: var(--color-text-light);
  margin-top: 4px;
}

.side-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ==========================================================================
   新闻详情页：正文 / 侧栏 / 上下篇
   ========================================================================== */
.article-detail {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 44px 48px;
}

.article-detail h1 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin-bottom: 16px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.86rem;
  color: var(--color-text-light);
  padding-bottom: 22px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 30px;
}

.article-cover {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 32px;
}

.article-cover img {
  width: 100%;
  height: auto;
}

.article-content h2 {
  font-size: 1.35rem;
  margin: 38px 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--color-primary);
}

.article-content h3 {
  font-size: 1.12rem;
  margin: 28px 0 12px;
}

.article-content p {
  font-size: 1rem;
  line-height: 1.95;
  margin-bottom: 18px;
}

.article-content ul,
.article-content ol {
  margin: 0 0 20px;
  padding-left: 4px;
  display: grid;
  gap: 10px;
}

.article-content ul li {
  position: relative;
  padding-left: 22px;
  color: var(--color-text-soft);
  font-size: 0.98rem;
  line-height: 1.8;
}

.article-content ul li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 12px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-primary);
}

.article-content blockquote {
  margin: 28px 0;
  padding: 22px 26px;
  background: var(--color-primary-soft);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--color-text-soft);
  font-size: 0.98rem;
}

.article-content blockquote p {
  margin-bottom: 0;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 36px;
  padding-top: 26px;
  border-top: 1px solid var(--color-border);
}

/* 上下篇导航 */
.post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
}

.post-nav a {
  display: block;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 22px 26px;
  transition: all var(--transition);
}

.post-nav a:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-sm);
}

.post-nav .dir {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-bottom: 6px;
}

.post-nav .title {
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--color-text);
}

.post-nav .next {
  text-align: right;
}

/* ==========================================================================
   联系页：联系卡片 / 留言表单
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 48px;
  align-items: start;
}

.contact-cards {
  display: grid;
  gap: 20px;
}

.contact-card {
  display: flex;
  gap: 18px;
  padding: 26px 28px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.contact-icon {
  width: 50px;
  height: 50px;
  flex: 0 0 50px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-primary);
  background: var(--color-primary-soft);
}

.contact-icon.accent {
  color: var(--color-accent-dark);
  background: var(--color-accent-soft);
}

.contact-card h3 {
  font-size: 1.02rem;
  margin-bottom: 6px;
}

.contact-card p {
  font-size: 0.92rem;
  margin-bottom: 0;
}

.form-panel {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.form-panel h2 {
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.form-panel .form-intro {
  font-size: 0.94rem;
  color: var(--color-text-soft);
  margin-bottom: 28px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

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

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.form-group label .req {
  color: var(--color-danger);
  margin-left: 2px;
}

.form-control {
  width: 100%;
  padding: 13px 16px;
  font-size: 0.96rem;
  color: var(--color-text);
  background: var(--color-bg-soft);
  border: 1.5px solid transparent;
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), background var(--transition),
    box-shadow var(--transition);
}

.form-control::placeholder {
  color: var(--color-text-light);
}

.form-control:focus {
  outline: none;
  background: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(91, 75, 255, 0.12);
}

textarea.form-control {
  min-height: 140px;
  resize: vertical;
}

.form-hint {
  font-size: 0.82rem;
  color: var(--color-text-light);
  margin-top: 14px;
}

.form-check {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.88rem;
  color: var(--color-text-soft);
  margin-bottom: 22px;
}

.form-check input {
  margin-top: 4px;
  accent-color: var(--color-primary);
}

/* 地图/信息带 */
.info-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.info-band .card {
  text-align: center;
}

/* ==========================================================================
   动画 keyframes
   ========================================================================== */
@keyframes floatY {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes pulseGlow {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(91, 75, 255, 0.35);
  }
  50% {
    box-shadow: 0 0 0 12px rgba(91, 75, 255, 0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.94);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* 滚动渐入（由 main.js 添加 .is-visible） */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1);
  will-change: opacity, transform;
}

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

/* 首屏动画 */
.hero-content > * {
  animation: fadeUp 0.8s cubic-bezier(0.22, 0.61, 0.36, 1) both;
}

.hero-content > *:nth-child(2) { animation-delay: 0.08s; }
.hero-content > *:nth-child(3) { animation-delay: 0.16s; }
.hero-content > *:nth-child(4) { animation-delay: 0.24s; }
.hero-content > *:nth-child(5) { animation-delay: 0.32s; }

.hero-visual {
  animation: fadeIn 1s ease 0.2s both;
}

/* 尊重减少动态偏好 */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ==========================================================================
   响应式媒体查询
   ========================================================================== */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .news-layout { grid-template-columns: 1fr; }
  .news-card { grid-template-columns: 220px 1fr; }
  .hero-grid { gap: 40px; }
  .advantage-row { gap: 36px; margin-bottom: 60px; }
}

@media (max-width: 860px) {
  .nav-links {
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 16px 20px 24px;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    max-height: calc(100vh - var(--nav-height));
    overflow-y: auto;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-links a {
    padding: 13px 16px;
    border-radius: var(--radius-sm);
  }

  .nav-actions .btn-ghost { display: none; }
  .nav-toggle { display: flex; }

  .hero { padding: 60px 0 70px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-desc { max-width: 100%; }
  .hero-visual { max-width: 560px; margin: 20px auto 0; }

  .section { padding: 68px 0; }
  .section-sm { padding: 48px 0; }

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

  .story-grid,
  .advantage-row,
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }

  .advantage-row.reverse .advantage-media { order: 0; }

  .service-item { grid-template-columns: 1fr; gap: 16px; padding: 26px 24px; }
  .service-num { width: 64px; height: 64px; font-size: 1.3rem; }

  .article-detail { padding: 30px 24px; }

  .cta-band { padding: 52px 26px; }

  .info-band { grid-template-columns: 1fr; }

  .form-row { grid-template-columns: 1fr; }
  .form-panel { padding: 30px 24px; }

  .post-nav { grid-template-columns: 1fr; }
  .post-nav .next { text-align: left; }

  .footer-tags { justify-content: flex-start; }
}

@media (max-width: 620px) {
  body { font-size: 15px; }
  .container { padding: 0 18px; }

  .grid-4,
  .stats-row { grid-template-columns: 1fr; }

  .hero-stats { gap: 24px; }
  .hero-stat strong { font-size: 1.4rem; }

  .hero-float-card.card-1 { left: -6px; top: -14px; padding: 12px 16px; }
  .hero-float-card.card-2 { right: -6px; bottom: -16px; padding: 12px 16px; }

  .brand { font-size: 1rem; max-width: 68%; }
  .brand-mark { width: 34px; height: 34px; flex-basis: 34px; font-size: 0.9rem; }

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

  .news-card { grid-template-columns: 1fr; }
  .news-thumb { max-height: 200px; }
  .news-body { padding: 22px 22px; }

  .article-detail h1 { font-size: 1.45rem; }

  .page-hero { padding: 54px 0 46px; }

  .service-item:hover,
  .card:hover,
  .feature-card:hover,
  .product-card:hover,
  .stat-card:hover,
  .value-card:hover,
  .contact-card:hover {
    transform: translateY(-4px);
  }

  .footer-grid { grid-template-columns: 1fr; gap: 30px; padding-bottom: 36px; }

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

  .btn { padding: 13px 26px; font-size: 0.95rem; }
  .btn-lg { padding: 15px 32px; }
  .cta-actions .btn { width: 100%; }
}

/* 打印优化 */
@media print {
  .site-header,
  .site-footer,
  .cta-band,
  .nav-toggle {
    display: none !important;
  }
  body { color: #000; }
  a { color: #000; text-decoration: underline; }
}
/* ===== index.html 页面样式（系统自动从内联提取）===== */
:root{
  --dc-bg:#070b16;
  --dc-bg-soft:#0d1424;
  --dc-card:#111a2e;
  --dc-line:rgba(120,160,255,.16);
  --dc-text:#e8eefc;
  --dc-muted:#94a3c4;
  --dc-primary:#3b82f6;
  --dc-accent:#22d3ee;
  --dc-gold:#f5b544;
  --dc-radius:18px;
}
*{box-sizing:border-box}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 12% -10%, rgba(59,130,246,.22), transparent 60%),
    radial-gradient(900px 560px at 92% 4%, rgba(34,211,238,.16), transparent 62%),
    var(--dc-bg);
  color:var(--dc-text);
  font-family:'Noto Sans SC',system-ui,-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{width:min(1180px,92%);margin-inline:auto}

/* 顶部信息条 */
.dc-topbar{
  background:linear-gradient(90deg,rgba(59,130,246,.22),rgba(34,211,238,.14));
  border-bottom:1px solid var(--dc-line);
  font-size:.82rem;color:#c7d5f2;
}
.dc-topbar .wrap{display:flex;justify-content:space-between;gap:12px;padding:8px 0;flex-wrap:wrap}
.dc-topbar strong{color:#fff}

/* 导航 */
.dc-header{position:sticky;top:0;z-index:60;backdrop-filter:blur(14px);background:rgba(7,11,22,.78);border-bottom:1px solid var(--dc-line)}
.dc-nav{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 0}
.dc-brand{display:flex;align-items:center;gap:12px;min-width:0}
.dc-brand .mark{
  width:42px;height:42px;flex:none;border-radius:13px;display:grid;place-items:center;font-weight:900;
  background:linear-gradient(135deg,#3b82f6,#22d3ee);color:#04121f;font-size:1.05rem;letter-spacing:.5px;
  box-shadow:0 10px 26px rgba(34,211,238,.3);
}
.dc-brand .name{font-weight:900;font-size:1.02rem;line-height:1.3}
.dc-brand .sub{font-size:.72rem;color:var(--dc-muted);letter-spacing:.16em;text-transform:uppercase}
.dc-menu{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.dc-menu a{display:block;padding:9px 13px;border-radius:11px;font-size:.93rem;color:#c9d6f0;transition:.25s}
.dc-menu a:hover{background:rgba(59,130,246,.18);color:#fff;transform:translateY(-1px)}
.dc-menu a.active{background:linear-gradient(135deg,rgba(59,130,246,.35),rgba(34,211,238,.22));color:#fff;box-shadow:inset 0 0 0 1px rgba(120,180,255,.35)}
.dc-nav .cta-btn{white-space:nowrap}
.dc-burger{display:none;background:none;border:1px solid var(--dc-line);color:#dbe6ff;border-radius:11px;padding:8px 12px;font-size:1.05rem;cursor:pointer}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  padding:12px 24px;border-radius:12px;font-weight:700;font-size:.95rem;
  border:1px solid transparent;cursor:pointer;transition:.28s;
}
.btn-primary{background:linear-gradient(135deg,#3b82f6,#22d3ee);color:#05101d;box-shadow:0 12px 30px rgba(56,150,255,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(56,180,255,.42)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--dc-line);color:#dbe7ff}
.btn-ghost:hover{background:rgba(59,130,246,.16);transform:translateY(-2px)}

/* Hero */
#hero{padding:70px 0 60px;position:relative;overflow:hidden}
#hero::after{
  content:"";position:absolute;inset:auto -10% -40% -10%;height:420px;
  background:radial-gradient(closest-side,rgba(34,211,238,.16),transparent);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center;position:relative;z-index:2}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:.8rem;letter-spacing:.08em;
  padding:7px 15px;border-radius:999px;border:1px solid rgba(34,211,238,.35);
  background:rgba(34,211,238,.1);color:#9be9f7;margin-bottom:22px;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:#22d3ee;box-shadow:0 0 0 4px rgba(34,211,238,.18)}
#hero h1{font-size:clamp(1.85rem,3.4vw,2.85rem);line-height:1.32;margin:0 0 20px;font-weight:900;letter-spacing:-.5px}
#hero h1 .grad{background:linear-gradient(100deg,#5fa8ff,#22d3ee 60%,#a5f3fc);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{color:#a7b6d6;font-size:1.03rem;margin:0 0 26px;max-width:44em}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:520px}
.hero-stats div{background:rgba(255,255,255,.035);border:1px solid var(--dc-line);border-radius:14px;padding:14px 16px}
.hero-stats b{display:block;font-size:1.28rem;color:#fff;font-weight:900}
.hero-stats span{font-size:.78rem;color:var(--dc-muted)}
.hero-media{position:relative}
.hero-media .frame{
  border-radius:24px;overflow:hidden;border:1px solid rgba(120,180,255,.28);
  box-shadow:0 34px 80px rgba(2,10,26,.72);background:#0a1222;
}
.hero-media .frame img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}
.hero-media .float-card{
  position:absolute;left:-22px;bottom:24px;background:rgba(13,20,36,.94);
  border:1px solid rgba(120,180,255,.3);border-radius:16px;padding:14px 18px;
  box-shadow:0 22px 50px rgba(2,10,26,.7);backdrop-filter:blur(8px);
  animation:dcFloat 5.5s ease-in-out infinite;
}
.float-card small{display:block;color:var(--dc-muted);font-size:.72rem;letter-spacing:.08em}
.float-card strong{font-size:1.05rem;color:#7ef0d0}
@keyframes dcFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-11px)}}

/* 区块通用 */
section{padding:66px 0}
.sec-head{max-width:780px;margin-bottom:42px}
.sec-head .tag{
  display:inline-block;font-size:.76rem;letter-spacing:.18em;text-transform:uppercase;
  color:#7fd8ea;background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.3);
  padding:5px 13px;border-radius:999px;margin-bottom:14px;
}
.sec-head h2{font-size:clamp(1.4rem,2.4vw,2rem);margin:0 0 14px;font-weight:900;line-height:1.4}
.sec-head p{color:var(--dc-muted);margin:0;font-size:.98rem}

/* 特性卡片 */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feat-card{
  background:linear-gradient(160deg,rgba(24,36,60,.9),rgba(12,19,34,.9));
  border:1px solid var(--dc-line);border-radius:var(--dc-radius);padding:26px 24px;
  transition:.3s;position:relative;overflow:hidden;
}
.feat-card::before{
  content:"";position:absolute;inset:0 0 auto;height:2px;
  background:linear-gradient(90deg,transparent,rgba(34,211,238,.7),transparent);
  opacity:0;transition:.3s;
}
.feat-card:hover{transform:translateY(-6px);border-color:rgba(90,160,255,.45);box-shadow:0 24px 52px rgba(3,12,30,.6)}
.feat-card:hover::before{opacity:1}
.feat-ico{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(59,130,246,.28),rgba(34,211,238,.2));
  border:1px solid rgba(120,180,255,.28);font-size:1.2rem;margin-bottom:16px;
}
.feat-card h3{font-size:1.06rem;margin:0 0 10px;font-weight:800}
.feat-card p{margin:0;color:var(--dc-muted);font-size:.92rem;line-height:1.85}

/* 服务 */
.serv-wrap{display:grid;grid-template-columns:.95fr 1.05fr;gap:46px;align-items:start}
.serv-list{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.serv-list li{
  display:flex;gap:14px;background:rgba(255,255,255,.035);border:1px solid var(--dc-line);
  border-radius:14px;padding:16px 18px;transition:.28s;
}
.serv-list li:hover{background:rgba(59,130,246,.12);transform:translateX(4px)}
.serv-list .num{
  flex:none;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  background:rgba(34,211,238,.14);color:#8ff0ff;font-size:.82rem;font-weight:900;
}
.serv-list b{display:block;font-size:.97rem;margin-bottom:3px}
.serv-list span{color:var(--dc-muted);font-size:.88rem}
.serv-panel{
  background:linear-gradient(155deg,rgba(20,32,54,.95),rgba(10,16,30,.95));
  border:1px solid var(--dc-line);border-radius:22px;padding:30px;
}
.serv-panel h3{margin:0 0 14px;font-size:1.18rem}
.serv-panel p{color:var(--dc-muted);font-size:.93rem;margin:0 0 16px}
.serv-panel img{border-radius:14px;aspect-ratio:16/9;object-fit:cover;border:1px solid rgba(120,180,255,.18)}

/* 详细内容 / 文章 */
.detail-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:40px;align-items:start}
.prose p{color:#b3c1dd;font-size:.97rem;margin:0 0 18px;line-height:1.95}
.prose h3{font-size:1.12rem;margin:28px 0 12px;font-weight:800;color:#eaf2ff}
.prose h3::before{content:"";display:inline-block;width:5px;height:16px;border-radius:3px;background:linear-gradient(180deg,#3b82f6,#22d3ee);margin-right:10px;vertical-align:-2px}
.aside-card{
  background:rgba(255,255,255,.035);border:1px solid var(--dc-line);border-radius:18px;padding:24px;margin-bottom:18px;
}
.aside-card h4{margin:0 0 14px;font-size:1rem}
.aside-card ul{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.aside-card li{display:flex;justify-content:space-between;gap:10px;font-size:.88rem;color:#b7c5e2;border-bottom:1px dashed rgba(120,160,255,.14);padding-bottom:10px}
.aside-card li:last-child{border-bottom:0;padding-bottom:0}
.aside-card li b{color:#7ee8ff;font-weight:700}
.aside-card p{font-size:.88rem;color:var(--dc-muted);margin:0 0 14px}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{background:rgba(255,255,255,.03);border:1px solid var(--dc-line);border-radius:15px;overflow:hidden;transition:.28s}
.faq-item[open]{border-color:rgba(90,160,255,.4);background:rgba(59,130,246,.08)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-weight:700;font-size:.97rem;
  display:flex;justify-content:space-between;align-items:center;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:1.28rem;color:#7fd8ea;transition:.28s;line-height:1}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 22px 20px;color:var(--dc-muted);font-size:.92rem;line-height:1.9}

/* CTA */
#cta{padding:0 0 80px}
.cta-box{
  background:linear-gradient(120deg,rgba(37,99,235,.34),rgba(34,211,238,.18));
  border:1px solid rgba(120,180,255,.32);border-radius:26px;
  padding:54px 44px;text-align:center;position:relative;overflow:hidden;
}
.cta-box::before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(34,211,238,.28),transparent);
  top:-180px;right:-120px;
}
.cta-box h2{font-size:clamp(1.35rem,2.4vw,2rem);margin:0 0 14px;font-weight:900;position:relative}
.cta-box p{color:#c2d2ef;margin:0 auto 26px;max-width:56em;font-size:.98rem;position:relative}
.cta-box .hero-actions{justify-content:center;position:relative;margin-bottom:0}

/* 页脚 */
.dc-footer{background:#050912;border-top:1px solid var(--dc-line);padding:52px 0 26px;font-size:.9rem}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;margin-bottom:38px}
.dc-footer h4{font-size:.92rem;margin:0 0 16px;color:#e6efff;letter-spacing:.04em}
.dc-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.dc-footer a{color:var(--dc-muted);transition:.24s}
.dc-footer a:hover{color:#7fd8ea;padding-left:3px}
.dc-footer .brand-desc{color:var(--dc-muted);font-size:.87rem;margin:14px 0 0;max-width:34em;line-height:1.9}
.footer-bottom{border-top:1px solid var(--dc-line);padding-top:22px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:#7c8cab;font-size:.82rem}

/* 动画 */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* 响应式 */
@media (max-width:1024px){
  .hero-grid,.serv-wrap,.detail-grid{grid-template-columns:1fr}
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-media .float-card{left:12px}
}
@media (max-width:760px){
  .dc-menu{
    display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;
    background:rgba(8,13,25,.98);border-bottom:1px solid var(--dc-line);padding:12px 16px;gap:2px;
  }
  .dc-menu.open{display:flex}
  .dc-burger{display:block}
  .dc-nav{position:relative;flex-wrap:wrap}
  .dc-nav .cta-btn{display:none}
  .feat-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr 1fr}
  #hero{padding:48px 0 42px}
  section{padding:48px 0}
  .cta-box{padding:38px 22px}
  .footer-grid{grid-template-columns:1fr}
  .hero-media .float-card{position:static;margin-top:14px;animation:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* ===== about.html 页面样式（系统自动从内联提取）===== */
.about-banner{
  position:relative;
  padding:clamp(3rem,7vw,6rem) 1.25rem;
  background:radial-gradient(circle at 15% 20%,rgba(0,200,255,.18),transparent 55%),radial-gradient(circle at 85% 80%,rgba(120,80,255,.22),transparent 55%),linear-gradient(135deg,#071127 0%,#0b1b3a 55%,#0a1530 100%);
  text-align:center;
  overflow:hidden;
}
.about-banner::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(circle at center,#000 30%,transparent 75%);
  pointer-events:none;
}
.about-banner .container{position:relative;z-index:1}
.about-banner h1{
  font-size:clamp(1.8rem,4.5vw,3rem);
  margin:.4rem 0 1rem;
  background:linear-gradient(90deg,#4fd8ff,#9d8bff 60%,#6ef0c8);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.about-banner p{
  max-width:760px;
  margin:0 auto;
  color:#b9c6df;
  line-height:1.9;
  font-size:clamp(.95rem,1.6vw,1.08rem);
}
.banner-tag{
  display:inline-block;
  padding:.35rem 1rem;
  border:1px solid rgba(79,216,255,.45);
  border-radius:999px;
  color:#6fe0ff;
  font-size:.82rem;
  letter-spacing:.12em;
  background:rgba(79,216,255,.08);
}
.story-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:clamp(1.5rem,4vw,3.5rem);
  align-items:center;
}
.story-grid figure{
  margin:0;
  border-radius:20px;
  overflow:hidden;
  box-shadow:0 24px 60px rgba(0,0,0,.35);
}
.story-grid img{
  width:100%;
  display:block;
  transition:transform .8s ease;
}
.story-grid figure:hover img{transform:scale(1.05)}
.story-text p{
  color:#b9c6df;
  line-height:2;
  margin-bottom:1rem;
}
.story-points{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:.9rem;
  margin-top:1.5rem;
  padding:0;
  list-style:none;
}
.story-points li{
  display:flex;
  gap:.6rem;
  align-items:flex-start;
  color:#cfdaee;
  font-size:.94rem;
  line-height:1.7;
}
.story-points li::before{
  content:"◆";
  color:#4fd8ff;
  font-size:.7rem;
  margin-top:.4rem;
}
.team-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(230px,1fr));
  gap:1.5rem;
  margin-top:2.5rem;
}
.team-card{
  background:linear-gradient(180deg,rgba(24,40,74,.85),rgba(12,24,48,.9));
  border:1px solid rgba(90,140,220,.18);
  border-radius:18px;
  padding:2rem 1.4rem;
  text-align:center;
  transition:transform .35s ease,border-color .35s ease,box-shadow .35s ease;
}
.team-card:hover{
  transform:translateY(-8px);
  border-color:rgba(79,216,255,.5);
  box-shadow:0 22px 50px rgba(0,120,220,.18);
}
.team-avatar{
  width:88px;
  height:88px;
  margin:0 auto 1.1rem;
  border-radius:50%;
  overflow:hidden;
  border:2px solid rgba(79,216,255,.45);
}
.team-avatar img{width:100%;height:100%;object-fit:cover;display:block}
.team-card h3{color:#eaf2ff;font-size:1.1rem;margin-bottom:.35rem}
.team-role{color:#6fe0ff;font-size:.85rem;letter-spacing:.05em;margin-bottom:.8rem}
.team-card p{color:#a9b8d3;font-size:.9rem;line-height:1.8}
.timeline{
  position:relative;
  margin-top:3rem;
  padding-left:0;
  list-style:none;
}
.timeline::before{
  content:"";
  position:absolute;
  left:20px;
  top:0;
  bottom:0;
  width:2px;
  background:linear-gradient(180deg,#4fd8ff,#7a6cff,rgba(122,108,255,0));
}
.timeline li{
  position:relative;
  padding:0 0 2.4rem 60px;
}
.timeline li::before{
  content:"";
  position:absolute;
  left:12px;
  top:6px;
  width:18px;
  height:18px;
  border-radius:50%;
  background:#0b1b3a;
  border:3px solid #4fd8ff;
  box-shadow:0 0 0 4px rgba(79,216,255,.12);
}
.timeline .year{
  display:inline-block;
  color:#6fe0ff;
  font-weight:700;
  font-size:1.05rem;
  letter-spacing:.05em;
  margin-bottom:.4rem;
}
.timeline h3{color:#eaf2ff;font-size:1.08rem;margin-bottom:.5rem}
.timeline p{color:#a9b8d3;line-height:1.85;font-size:.94rem}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
  gap:1.2rem;
  margin-top:2.5rem;
}
.stat-card{
  background:linear-gradient(160deg,rgba(20,48,96,.75),rgba(10,22,44,.9));
  border:1px solid rgba(79,216,255,.18);
  border-radius:16px;
  padding:2rem 1.2rem;
  text-align:center;
  transition:transform .3s ease,border-color .3s ease;
}
.stat-card:hover{transform:translateY(-6px);border-color:rgba(110,240,200,.5)}
.stat-num{
  font-size:clamp(1.9rem,4vw,2.6rem);
  font-weight:900;
  background:linear-gradient(90deg,#4fd8ff,#6ef0c8);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  line-height:1.2;
}
.stat-label{color:#a9b8d3;font-size:.92rem;margin-top:.6rem;letter-spacing:.04em}
.faq-list{
  max-width:860px;
  margin:2.5rem auto 0;
  display:flex;
  flex-direction:column;
  gap:1rem;
}
.faq-item{
  background:rgba(16,32,62,.7);
  border:1px solid rgba(90,140,220,.2);
  border-radius:14px;
  padding:1.3rem 1.5rem;
  transition:border-color .3s ease;
}
.faq-item:hover{border-color:rgba(79,216,255,.4)}
.faq-item h3{
  color:#eaf2ff;
  font-size:1rem;
  margin-bottom:.6rem;
  display:flex;
  gap:.6rem;
  align-items:flex-start;
  line-height:1.6;
}
.faq-item h3::before{
  content:"Q";
  color:#4fd8ff;
  font-weight:900;
  flex-shrink:0;
}
.faq-item p{
  color:#a9b8d3;
  font-size:.92rem;
  line-height:1.9;
  padding-left:1.4rem;
}
.about-cta{
  background:linear-gradient(120deg,rgba(10,40,90,.9),rgba(30,20,80,.9));
  border:1px solid rgba(79,216,255,.25);
  border-radius:24px;
  padding:clamp(2rem,5vw,3.5rem);
  text-align:center;
  margin-top:1rem;
}
.about-cta h2{font-size:clamp(1.4rem,3vw,2rem);color:#eaf2ff;margin-bottom:1rem}
.about-cta p{color:#b9c6df;max-width:640px;margin:0 auto 1.8rem;line-height:1.9}
.cta-btns{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
@media(max-width:860px){
  .story-grid{grid-template-columns:1fr}
  .story-points{grid-template-columns:1fr}
}

/* ===== contact.html 页面样式（系统自动从内联提取）===== */
.contact-hero{position:relative;padding:120px 0 90px;background:linear-gradient(135deg,#071b2f 0%,#0d2f47 55%,#0a4a5e 100%);overflow:hidden;color:#fff}
  .contact-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(0,208,174,.28),transparent 45%),radial-gradient(circle at 10% 80%,rgba(0,132,255,.24),transparent 50%);pointer-events:none}
  .contact-hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:56px 56px;opacity:.5;pointer-events:none}
  .contact-hero .container{position:relative;z-index:2}
  .contact-hero h1{font-size:clamp(1.9rem,4.4vw,3.2rem);font-weight:900;line-height:1.25;margin:0 0 18px;letter-spacing:.5px}
  .contact-hero p{max-width:760px;font-size:clamp(.98rem,1.6vw,1.15rem);line-height:1.9;color:#c7dbe8;margin:0}
  .hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:999px;background:rgba(0,208,174,.12);border:1px solid rgba(0,208,174,.4);color:#4ff0d2;font-size:.85rem;letter-spacing:1px;margin-bottom:22px}
  .hero-badge .dot{width:8px;height:8px;border-radius:50%;background:#00d0ae;box-shadow:0 0 0 4px rgba(0,208,174,.2);animation:pulseDot 2s infinite}
  @keyframes pulseDot{0%,100%{box-shadow:0 0 0 4px rgba(0,208,174,.2)}50%{box-shadow:0 0 0 9px rgba(0,208,174,0)}}
  .contact-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;margin-top:-56px;position:relative;z-index:5}
  .contact-card{background:#fff;border-radius:16px;padding:34px 28px;box-shadow:0 18px 50px rgba(9,38,60,.13);border:1px solid #e6eef4;transition:transform .35s ease,box-shadow .35s ease;text-align:left}
  .contact-card:hover{transform:translateY(-8px);box-shadow:0 26px 60px rgba(0,132,255,.18)}
  .contact-card .ico{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;background:linear-gradient(135deg,#00d0ae,#0084ff);color:#fff;margin-bottom:18px;box-shadow:0 10px 24px rgba(0,132,255,.28)}
  .contact-card h3{font-size:1.12rem;color:#0a2740;margin:0 0 10px;font-weight:700}
  .contact-card p{color:#5b7285;line-height:1.8;margin:0 0 6px;font-size:.95rem}
  .contact-card a{color:#0084ff;text-decoration:none;font-weight:600;word-break:break-all}
  .contact-card a:hover{text-decoration:underline}
  .contact-main{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:start}
  .msg-form{background:#fff;border:1px solid #e6eef4;border-radius:18px;padding:38px 34px;box-shadow:0 14px 44px rgba(9,38,60,.08)}
  .msg-form .form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
  .form-group{margin-bottom:22px;display:flex;flex-direction:column}
  .form-group label{font-size:.92rem;font-weight:600;color:#0a2740;margin-bottom:8px}
  .form-group label .req{color:#ff5b6e;margin-left:3px}
  .form-group input,.form-group select,.form-group textarea{width:100%;padding:13px 16px;border:1px solid #d5e2ec;border-radius:10px;font-family:inherit;font-size:.95rem;color:#12324a;background:#f8fbfd;transition:border-color .25s,box-shadow .25s;outline:none}
  .form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:#0084ff;background:#fff;box-shadow:0 0 0 4px rgba(0,132,255,.12)}
  .form-group textarea{resize:vertical;min-height:130px}
  .form-tip{font-size:.82rem;color:#7b8fa1;margin-top:6px}
  .btn-submit{display:inline-flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:15px 26px;border:none;border-radius:10px;background:linear-gradient(135deg,#00d0ae,#0084ff);color:#fff;font-size:1.02rem;font-weight:700;cursor:pointer;font-family:inherit;transition:transform .25s,box-shadow .25s,filter .25s}
  .btn-submit:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,132,255,.32);filter:brightness(1.04)}
  .form-msg{margin-top:16px;font-size:.92rem;color:#0aab84;font-weight:600;display:none}
  .side-info{display:flex;flex-direction:column;gap:24px}
  .info-panel{background:linear-gradient(160deg,#071b2f,#0d3550);border-radius:18px;padding:32px 30px;color:#dbe9f2;box-shadow:0 16px 44px rgba(7,27,47,.22)}
  .info-panel h3{color:#fff;font-size:1.1rem;margin:0 0 18px;display:flex;align-items:center;gap:10px}
  .info-panel h3::before{content:"";width:4px;height:18px;border-radius:2px;background:linear-gradient(#00d0ae,#0084ff)}
  .info-list{list-style:none;margin:0;padding:0}
  .info-list li{display:flex;justify-content:space-between;gap:15px;padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.12);font-size:.93rem}
  .info-list li:last-child{border-bottom:none}
  .info-list .k{color:#8fb0c6;flex-shrink:0}
  .info-list .v{color:#fff;font-weight:600;text-align:right}
  .info-list .v em{font-style:normal;color:#4ff0d2}
  .light-panel{background:#fff;border:1px solid #e6eef4;border-radius:18px;padding:30px 28px;box-shadow:0 12px 36px rgba(9,38,60,.07)}
  .light-panel h3{font-size:1.05rem;color:#0a2740;margin:0 0 16px}
  .light-panel p{color:#5b7285;font-size:.92rem;line-height:1.85;margin:0 0 12px}
  .light-panel p:last-child{margin-bottom:0}
  .faq-list{max-width:900px;margin:0 auto}
  .faq-item{background:#fff;border:1px solid #e6eef4;border-radius:14px;margin-bottom:16px;overflow:hidden;transition:box-shadow .3s}
  .faq-item:hover{box-shadow:0 12px 34px rgba(9,38,60,.09)}
  .faq-q{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px 26px;cursor:pointer;font-weight:700;color:#0a2740;font-size:1rem;user-select:none}
  .faq-q .toggle{width:30px;height:30px;flex-shrink:0;border-radius:50%;background:#eef5fa;color:#0084ff;display:flex;align-items:center;justify-content:center;font-size:1.2rem;transition:transform .3s,background .3s,color .3s}
  .faq-item.active .faq-q .toggle{transform:rotate(45deg);background:linear-gradient(135deg,#00d0ae,#0084ff);color:#fff}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
  .faq-a p{margin:0;padding:0 26px 24px;color:#546b7d;line-height:1.9;font-size:.94rem}
  .faq-item.active .faq-a{max-height:400px}
  .reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
  .reveal.in{opacity:1;transform:translateY(0)}
  @media(max-width:900px){
    .contact-main{grid-template-columns:1fr;gap:32px}
    .contact-cards{margin-top:-40px}
  }
  @media(max-width:640px){
    .msg-form{padding:28px 20px}
    .msg-form .form-row{grid-template-columns:1fr}
    .contact-hero{padding:96px 0 70px}
  }

/* ===== news-detail.html 页面样式（系统自动从内联提取）===== */
:root{
  --nd-bg:#0b1220;
  --nd-card:#121b2e;
  --nd-line:rgba(255,255,255,.08);
  --nd-txt:#e8eefc;
  --nd-sub:#9fb0cf;
  --nd-accent:#3ea6ff;
  --nd-accent2:#7c5cff;
  --nd-grad:linear-gradient(135deg,#3ea6ff 0%,#7c5cff 100%);
}
.news-hero{
  position:relative;
  padding:96px 0 64px;
  background:
    radial-gradient(900px 420px at 12% -10%,rgba(62,166,255,.20),transparent 60%),
    radial-gradient(700px 380px at 88% 0%,rgba(124,92,255,.18),transparent 60%),
    var(--nd-bg);
  overflow:hidden;
}
.news-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:26px 26px;
  opacity:.5;
  pointer-events:none;
}
.news-hero .container{position:relative;z-index:2}
.news-hero .crumb{
  display:flex;flex-wrap:wrap;gap:8px;align-items:center;
  font-size:14px;color:var(--nd-sub);margin-bottom:18px;
}
.news-hero .crumb a{color:var(--nd-sub);text-decoration:none;transition:color .25s}
.news-hero .crumb a:hover{color:var(--nd-accent)}
.news-hero .crumb span{opacity:.5}
.news-hero h1{
  font-size:clamp(26px,4vw,44px);
  line-height:1.25;
  color:var(--nd-txt);
  margin:0 0 16px;
  font-weight:900;
  letter-spacing:.5px;
  animation:ndFadeUp .8s ease both;
}
.news-hero .sub{
  color:var(--nd-sub);
  font-size:clamp(15px,1.6vw,17px);
  max-width:820px;
  line-height:1.9;
  animation:ndFadeUp .9s .1s ease both;
}
.news-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;
  margin-top:24px;font-size:14px;color:var(--nd-sub);
  animation:ndFadeUp 1s .2s ease both;
}
.news-meta .tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  background:rgba(62,166,255,.12);
  border:1px solid rgba(62,166,255,.28);
  color:#bcd8ff;
}
@keyframes ndFadeUp{
  from{opacity:0;transform:translateY(18px)}
  to{opacity:1;transform:translateY(0)}
}
.news-layout{
  padding:64px 0 88px;
  background:var(--nd-bg);
}
.news-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 340px;
  gap:36px;
  align-items:start;
}
.article-main{
  background:var(--nd-card);
  border:1px solid var(--nd-line);
  border-radius:20px;
  padding:clamp(20px,4vw,44px);
  box-shadow:0 20px 60px rgba(0,0,0,.35);
}
.article-main .cover{
  width:100%;height:auto;display:block;border-radius:14px;
  margin:0 0 28px;
  border:1px solid var(--nd-line);
}
.article-body{color:var(--nd-txt);font-size:16px;line-height:2.05}
.article-body p{margin:0 0 22px;color:#cfd9ec}
.article-body h2{
  font-size:clamp(20px,2.6vw,26px);
  margin:44px 0 18px;
  padding-left:14px;
  border-left:4px solid var(--nd-accent);
  line-height:1.5;
  color:#fff;
}
.article-body h3{
  font-size:clamp(17px,2vw,20px);
  margin:32px 0 14px;
  color:#e6efff;
}
.article-body ul{margin:0 0 24px;padding-left:22px;color:#cfd9ec}
.article-body li{margin:8px 0}
.article-body strong{color:#fff}
.article-body figure{margin:28px 0}
.article-body figure img{width:100%;border-radius:14px;border:1px solid var(--nd-line);display:block}
.article-body figcaption{
  font-size:13px;color:var(--nd-sub);text-align:center;margin-top:10px;
}
.note-box{
  background:linear-gradient(135deg,rgba(62,166,255,.10),rgba(124,92,255,.10));
  border:1px solid rgba(62,166,255,.25);
  border-radius:14px;
  padding:20px 22px;
  margin:28px 0;
}
.note-box p{margin:0;color:#d7e3f7}
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin:36px 0 8px}
.article-tags a{
  font-size:13px;color:#bcd8ff;text-decoration:none;
  padding:6px 13px;border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--nd-line);
  transition:.25s;
}
.article-tags a:hover{background:rgba(62,166,255,.16);border-color:rgba(62,166,255,.4)}
.pager-nav{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
  margin-top:44px;padding-top:32px;border-top:1px solid var(--nd-line);
}
.pager-nav a{
  display:block;text-decoration:none;
  background:rgba(255,255,255,.03);
  border:1px solid var(--nd-line);
  border-radius:14px;padding:16px 18px;
  transition:.3s;
}
.pager-nav a:hover{
  border-color:rgba(62,166,255,.45);
  background:rgba(62,166,255,.08);
  transform:translateY(-3px);
}
.pager-nav .lbl{display:block;font-size:12px;color:var(--nd-sub);margin-bottom:8px;letter-spacing:1px}
.pager-nav .ttl{display:block;font-size:15px;color:#e6efff;line-height:1.6}
.pager-nav .next{text-align:right}
.side-col{display:flex;flex-direction:column;gap:24px;position:sticky;top:24px}
.side-card{
  background:var(--nd-card);
  border:1px solid var(--nd-line);
  border-radius:18px;
  padding:24px;
}
.side-card h2{
  font-size:17px;color:#fff;margin:0 0 18px;
  padding-bottom:14px;border-bottom:1px solid var(--nd-line);
  position:relative;
}
.side-card h2::before{
  content:"";position:absolute;left:0;bottom:-1px;width:46px;height:2px;
  background:var(--nd-grad);border-radius:2px;
}
.hot-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:16px}
.hot-list li a{
  display:flex;gap:12px;text-decoration:none;align-items:flex-start;
}
.hot-list .idx{
  flex:0 0 26px;height:26px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;color:#fff;
  background:rgba(255,255,255,.06);
}
.hot-list li:nth-child(1) .idx{background:var(--nd-grad)}
.hot-list li:nth-child(2) .idx{background:rgba(62,166,255,.30)}
.hot-list li:nth-child(3) .idx{background:rgba(124,92,255,.30)}
.hot-list .txt{font-size:14px;color:#cfd9ec;line-height:1.7;transition:.25s}
.hot-list li a:hover .txt{color:var(--nd-accent)}
.side-cta{
  background:var(--nd-grad);
  border-radius:18px;padding:26px 24px;color:#fff;
  position:relative;overflow:hidden;
}
.side-cta::after{
  content:"";position:absolute;right:-40px;top:-40px;width:140px;height:140px;
  border-radius:50%;background:rgba(255,255,255,.14);
}
.side-cta h2{font-size:18px;margin:0 0 10px;border:none;padding:0;color:#fff}
.side-cta h2::before{display:none}
.side-cta p{font-size:14px;line-height:1.8;margin:0 0 18px;color:rgba(255,255,255,.9)}
.side-cta .btn{
  display:inline-block;background:#fff;color:#1a2b4a;font-weight:700;
  text-decoration:none;padding:11px 20px;border-radius:10px;font-size:14px;
  transition:.3s;position:relative;z-index:2;
}
.side-cta .btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.25)}
.side-mini-list{list-style:none;margin:0;padding:0}
.side-mini-list li{border-bottom:1px dashed var(--nd-line);padding:12px 0}
.side-mini-list li:last-child{border-bottom:none;padding-bottom:0}
.side-mini-list a{color:#cfd9ec;text-decoration:none;font-size:14px;line-height:1.6;transition:.25s}
.side-mini-list a:hover{color:var(--nd-accent)}
.faq-wrap{margin-top:8px}
.faq-item{
  background:rgba(255,255,255,.03);
  border:1px solid var(--nd-line);
  border-radius:12px;
  margin-bottom:12px;
  overflow:hidden;
}
.faq-item summary{
  cursor:pointer;padding:16px 18px;font-size:15px;color:#e6efff;
  list-style:none;display:flex;align-items:center;justify-content:space-between;
  transition:.25s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:20px;color:var(--nd-accent);transition:.3s;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item[open] summary{color:#fff}
.faq-item .ans{padding:0 18px 18px;color:#b9c7e0;font-size:14px;line-height:1.9}
.article-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:12px}
.article-actions a{
  text-decoration:none;font-size:14px;padding:10px 18px;border-radius:10px;
  transition:.3s;
}
.article-actions .primary{background:var(--nd-grad);color:#fff;font-weight:700}
.article-actions .primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(62,166,255,.3)}
.article-actions .ghost{border:1px solid var(--nd-line);color:#cfd9ec}
.article-actions .ghost:hover{border-color:rgba(62,166,255,.5);color:var(--nd-accent)}
@media (max-width:980px){
  .news-grid{grid-template-columns:1fr}
  .side-col{position:static}
}
@media (max-width:640px){
  .news-hero{padding:72px 0 48px}
  .pager-nav{grid-template-columns:1fr}
  .pager-nav .next{text-align:left}
  .article-main{padding:20px}
}

/* ===== news.html 页面样式（系统自动从内联提取）===== */
.news-hero{
    position:relative;
    padding:96px 0 72px;
    background:radial-gradient(circle at 20% 20%, rgba(0,196,255,.22), transparent 55%),
               radial-gradient(circle at 80% 0%, rgba(88,101,242,.28), transparent 50%),
               linear-gradient(135deg,#0b1020 0%,#111a33 55%,#0a1730 100%);
    color:#e8f1ff;
    overflow:hidden;
    text-align:center;
  }
  .news-hero::after{
    content:"";
    position:absolute;
    inset:0;
    background:url("https://picsum.photos/seed/dcnewsbanner/1600/700") center/cover no-repeat;
    opacity:.14;
    mix-blend-mode:screen;
    pointer-events:none;
  }
  .news-hero .wrap{position:relative;z-index:2;max-width:900px;margin:0 auto;padding:0 20px;}
  .news-hero .eyebrow{
    display:inline-block;
    font-size:.82rem;
    letter-spacing:.22em;
    text-transform:uppercase;
    color:#6fe3ff;
    border:1px solid rgba(111,227,255,.45);
    border-radius:999px;
    padding:7px 18px;
    margin-bottom:22px;
    animation:fadeUp .8s ease both;
  }
  .news-hero h1{
    font-size:clamp(1.85rem,4.2vw,3rem);
    line-height:1.28;
    font-weight:900;
    margin:0 0 18px;
    background:linear-gradient(90deg,#ffffff,#9fd8ff 60%,#7b9bff);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
    animation:fadeUp .9s .1s ease both;
  }
  .news-hero p{
    font-size:1.02rem;
    line-height:1.9;
    color:#b9c9e4;
    max-width:760px;
    margin:0 auto;
    animation:fadeUp 1s .2s ease both;
  }
  @keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}

  .news-layout{
    display:grid;
    grid-template-columns:minmax(0,1fr) 320px;
    gap:40px;
    max-width:1200px;
    margin:0 auto;
    padding:64px 20px 20px;
  }
  @media(max-width:960px){
    .news-layout{grid-template-columns:1fr;gap:36px;padding-top:48px;}
  }

  .section-head{margin-bottom:26px;}
  .section-head h2{
    font-size:1.6rem;
    font-weight:900;
    color:#0f1b33;
    margin:0 0 8px;
    position:relative;
    padding-left:16px;
  }
  .section-head h2::before{
    content:"";
    position:absolute;
    left:0;top:50%;
    transform:translateY(-50%);
    width:6px;height:26px;
    border-radius:4px;
    background:linear-gradient(180deg,#22b8ff,#4f6bff);
  }
  .section-head p{color:#5a6b85;font-size:.95rem;line-height:1.8;margin:0;}

  .cat-tags{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    margin-bottom:34px;
  }
  .cat-tags a{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:9px 20px;
    border-radius:999px;
    background:#eef4ff;
    color:#22467f;
    font-size:.9rem;
    font-weight:700;
    text-decoration:none;
    border:1px solid #dbe8ff;
    transition:.28s ease;
  }
  .cat-tags a:hover,.cat-tags a.active{
    background:linear-gradient(135deg,#22b8ff,#4f6bff);
    color:#fff;
    border-color:transparent;
    box-shadow:0 10px 24px rgba(34,120,255,.28);
    transform:translateY(-2px);
  }
  .cat-tags a .count{
    font-size:.75rem;
    background:rgba(34,120,255,.12);
    color:inherit;
    padding:2px 8px;
    border-radius:999px;
  }
  .cat-tags a:hover .count,.cat-tags a.active .count{background:rgba(255,255,255,.24);}

  .news-grid{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:26px;
  }
  @media(max-width:720px){.news-grid{grid-template-columns:1fr;}}

  .news-card{
    background:#fff;
    border-radius:18px;
    overflow:hidden;
    border:1px solid #e6eefc;
    box-shadow:0 12px 30px rgba(18,44,92,.06);
    display:flex;
    flex-direction:column;
    transition:transform .32s ease, box-shadow .32s ease;
    opacity:0;
    transform:translateY(26px);
  }
  .news-card.in{opacity:1;transform:translateY(0);transition:opacity .6s ease,transform .6s ease,box-shadow .32s ease;}
  .news-card:hover{
    transform:translateY(-6px);
    box-shadow:0 22px 48px rgba(18,44,92,.14);
  }
  .news-card .thumb{
    position:relative;
    aspect-ratio:16/9;
    overflow:hidden;
    background:#dfe9fb;
  }
  .news-card .thumb img{
    width:100%;height:100%;object-fit:cover;display:block;
    transition:transform .6s ease;
  }
  .news-card:hover .thumb img{transform:scale(1.07);}
  .news-card .thumb .tag{
    position:absolute;left:14px;top:14px;
    background:rgba(8,20,45,.78);
    color:#8fe1ff;
    font-size:.74rem;
    font-weight:700;
    letter-spacing:.06em;
    padding:5px 12px;
    border-radius:999px;
    backdrop-filter:blur(6px);
  }
  .news-card .body{
    padding:22px 22px 24px;
    display:flex;
    flex-direction:column;
    flex:1;
  }
  .news-card .meta{
    display:flex;
    align-items:center;
    gap:14px;
    font-size:.78rem;
    color:#8494ad;
    margin-bottom:10px;
    flex-wrap:wrap;
  }
  .news-card .meta span{display:inline-flex;align-items:center;gap:5px;}
  .news-card h3{
    font-size:1.08rem;
    line-height:1.6;
    font-weight:800;
    color:#101f3a;
    margin:0 0 10px;
  }
  .news-card h3 a{color:inherit;text-decoration:none;transition:color .25s;}
  .news-card h3 a:hover{color:#2a6bff;}
  .news-card p{
    font-size:.9rem;
    line-height:1.85;
    color:#5f7089;
    margin:0 0 18px;
    flex:1;
  }
  .news-card .more{
    align-self:flex-start;
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:.86rem;
    font-weight:800;
    color:#2a6bff;
    text-decoration:none;
    padding:9px 18px;
    border-radius:999px;
    background:#eef4ff;
    transition:.28s ease;
  }
  .news-card .more:hover{
    background:linear-gradient(135deg,#22b8ff,#4f6bff);
    color:#fff;
    box-shadow:0 10px 22px rgba(34,120,255,.28);
    gap:12px;
  }

  .pagination{
    display:flex;
    justify-content:center;
    align-items:center;
    gap:10px;
    margin:48px 0 10px;
    flex-wrap:wrap;
  }
  .pagination a,.pagination span{
    min-width:44px;
    height:44px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    padding:0 14px;
    border-radius:12px;
    background:#fff;
    border:1px solid #dde8fb;
    color:#2b4066;
    font-size:.92rem;
    font-weight:700;
    text-decoration:none;
    transition:.26s ease;
  }
  .pagination a:hover{background:#eef4ff;border-color:#bcd4ff;color:#1f5fff;transform:translateY(-2px);}
  .pagination .current{
    background:linear-gradient(135deg,#22b8ff,#4f6bff);
    color:#fff;
    border-color:transparent;
    box-shadow:0 10px 24px rgba(34,120,255,.3);
  }
  .pagination .disabled{color:#b6c3d8;cursor:not-allowed;}

  .side-box{
    background:#fff;
    border:1px solid #e6eefc;
    border-radius:18px;
    padding:24px;
    box-shadow:0 12px 30px rgba(18,44,92,.05);
    margin-bottom:26px;
  }
  .side-box h3{
    font-size:1.06rem;
    font-weight:900;
    color:#101f3a;
    margin:0 0 16px;
    padding-bottom:12px;
    border-bottom:1px dashed #e2ecfa;
  }
  .side-list{list-style:none;margin:0;padding:0;}
  .side-list li{padding:12px 0;border-bottom:1px dashed #eef3fb;font-size:.9rem;line-height:1.7;}
  .side-list li:last-child{border-bottom:none;padding-bottom:0;}
  .side-list li a{color:#2b4066;text-decoration:none;transition:color .24s;}
  .side-list li a:hover{color:#2a6bff;}
  .side-list li .date{display:block;font-size:.76rem;color:#8ea0ba;margin-top:4px;}
  .side-faq details{
    border-bottom:1px dashed #eef3fb;
    padding:12px 0;
  }
  .side-faq details:last-child{border-bottom:none;}
  .side-faq summary{
    cursor:pointer;
    font-size:.9rem;
    font-weight:700;
    color:#22467f;
    list-style:none;
    display:flex;
    justify-content:space-between;
    gap:10px;
  }
  .side-faq summary::-webkit-details-marker{display:none;}
  .side-faq summary::after{content:"+";color:#2a6bff;font-weight:900;}
  .side-faq details[open] summary::after{content:"−";}
  .side-faq p{
    font-size:.84rem;
    line-height:1.8;
    color:#5f7089;
    margin:10px 0 0;
  }
  .side-cta{
    background:linear-gradient(135deg,#0b1020,#16284d 60%,#1c3f7d);
    border:none;
    color:#dfeaff;
    position:relative;
    overflow:hidden;
  }
  .side-cta::before{
    content:"";
    position:absolute;
    right:-40px;top:-40px;
    width:150px;height:150px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(34,184,255,.5),transparent 70%);
  }
  .side-cta h3{color:#fff;border-bottom-color:rgba(255,255,255,.16);}
  .side-cta p{font-size:.88rem;line-height:1.85;color:#a9bfe0;margin:0 0 18px;position:relative;z-index:2;}
  .side-cta a{
    position:relative;z-index:2;
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:12px 22px;
    border-radius:999px;
    background:linear-gradient(135deg,#22b8ff,#4f6bff);
    color:#fff;
    font-size:.9rem;
    font-weight:800;
    text-decoration:none;
    transition:.28s ease;
  }
  .side-cta a:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(34,140,255,.4);}

  .news-note{
    max-width:1200px;
    margin:20px auto 0;
    padding:0 20px 64px;
  }
  .news-note .note-inner{
    background:linear-gradient(135deg,#f4f8ff,#eef4ff);
    border:1px solid #e0ebff;
    border-radius:18px;
    padding:34px 32px;
  }
  .news-note h2{font-size:1.32rem;font-weight:900;color:#101f3a;margin:0 0 14px;}
  .news-note p{font-size:.94rem;line-height:1.95;color:#566a86;margin:0 0 12px;}
  .news-note p:last-child{margin-bottom:0;}

  @media(max-width:520px){
    .news-hero{padding:72px 0 56px;}
    .news-card .body{padding:18px;}
    .news-note .note-inner{padding:24px 20px;}
  }

/* ===== products.html 页面样式（系统自动从内联提取）===== */
:root{
  --pd-bg:#0a0f1c;
  --pd-bg2:#101a2e;
  --pd-card:#141f36;
  --pd-line:rgba(120,160,255,.14);
  --pd-blue:#3b82f6;
  --pd-cyan:#22d3ee;
  --pd-gold:#f5b73d;
  --pd-text:#e8eefc;
  --pd-muted:#93a4c5;
}
body.page-products{background:var(--pd-bg);color:var(--pd-text);font-family:"Noto Sans SC",system-ui,sans-serif;}
.page-products .site-header{position:sticky;top:0;z-index:60;background:rgba(10,15,28,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--pd-line);}
.page-products .site-header .nav-wrap{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;min-height:66px;gap:16px;}
.page-products .brand{font-weight:900;font-size:16px;color:var(--pd-text);text-decoration:none;letter-spacing:.4px;display:flex;align-items:center;gap:8px;}
.page-products .brand .dot{width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--pd-cyan),var(--pd-blue));box-shadow:0 0 12px var(--pd-cyan);}
.page-products .nav-links{display:flex;flex-wrap:wrap;gap:6px;list-style:none;margin:0;padding:0;}
.page-products .nav-links a{display:block;padding:8px 12px;border-radius:8px;font-size:14px;color:var(--pd-muted);text-decoration:none;transition:.25s;}
.page-products .nav-links a:hover{color:#fff;background:rgba(59,130,246,.16);}
.page-products .nav-links a[aria-current="page"]{color:#fff;background:linear-gradient(135deg,rgba(59,130,246,.34),rgba(34,211,238,.24));box-shadow:inset 0 0 0 1px var(--pd-line);}
.pd-banner{padding:64px 20px 48px;background:radial-gradient(900px 340px at 78% -10%,rgba(34,211,238,.18),transparent 60%),radial-gradient(700px 320px at 12% 0%,rgba(59,130,246,.22),transparent 60%),var(--pd-bg);border-bottom:1px solid var(--pd-line);}
.pd-banner-inner{max-width:1200px;margin:0 auto;}
.pd-crumb{font-size:13px;color:var(--pd-muted);margin-bottom:14px;}
.pd-crumb a{color:var(--pd-muted);text-decoration:none;}
.pd-crumb a:hover{color:var(--pd-cyan);}
.pd-banner h1{font-size:clamp(26px,4vw,42px);line-height:1.25;margin:0 0 14px;font-weight:900;letter-spacing:-.5px;}
.pd-banner h1 span{background:linear-gradient(100deg,var(--pd-cyan),var(--pd-blue));-webkit-background-clip:text;background-clip:text;color:transparent;}
.pd-banner p{max-width:760px;margin:0;color:var(--pd-muted);font-size:clamp(14px,1.6vw,16.5px);line-height:1.9;}
.pd-banner .pd-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.pd-banner .pd-tags span{font-size:12.5px;color:#c7d7f7;background:rgba(59,130,246,.12);border:1px solid var(--pd-line);padding:6px 12px;border-radius:999px;}
.pd-sec{max-width:1200px;margin:0 auto;padding:60px 20px;}
.pd-sec-head{max-width:760px;margin-bottom:34px;}
.pd-sec-head h2{font-size:clamp(21px,2.6vw,29px);margin:0 0 12px;font-weight:800;}
.pd-sec-head p{margin:0;color:var(--pd-muted);line-height:1.9;font-size:15px;}
.pd-cats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;}
.pd-cat{display:flex;flex-direction:column;gap:6px;padding:16px 18px;border-radius:14px;background:linear-gradient(160deg,var(--pd-card),var(--pd-bg2));border:1px solid var(--pd-line);text-decoration:none;color:var(--pd-text);transition:.3s;}
.pd-cat:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.5);box-shadow:0 16px 30px -18px rgba(34,211,238,.5);}
.pd-cat strong{font-size:15px;}
.pd-cat em{font-style:normal;font-size:12.5px;color:var(--pd-muted);}
.pd-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px;}
.pd-card{display:flex;flex-direction:column;background:linear-gradient(170deg,var(--pd-card),var(--pd-bg2));border:1px solid var(--pd-line);border-radius:18px;overflow:hidden;opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease,border-color .3s,box-shadow .3s;}
.pd-card.in{opacity:1;transform:none;}
.pd-card:hover{border-color:rgba(59,130,246,.55);box-shadow:0 24px 44px -26px rgba(59,130,246,.6);}
.pd-card figure{margin:0;overflow:hidden;aspect-ratio:16/9;background:#0b1424;}
.pd-card figure img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s ease;}
.pd-card:hover figure img{transform:scale(1.06);}
.pd-card .pd-card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.pd-card h3{margin:0;font-size:18px;font-weight:800;}
.pd-card .pd-card-tag{align-self:flex-start;font-size:12px;color:var(--pd-cyan);border:1px solid rgba(34,211,238,.35);background:rgba(34,211,238,.08);padding:3px 10px;border-radius:999px;}
.pd-card p{margin:0;color:var(--pd-muted);font-size:14px;line-height:1.85;flex:1;}
.pd-card .pd-btn{align-self:flex-start;display:inline-flex;align-items:center;gap:6px;margin-top:4px;text-decoration:none;font-size:14px;font-weight:700;color:#04101f;background:linear-gradient(135deg,var(--pd-cyan),var(--pd-blue));padding:9px 18px;border-radius:10px;transition:.25s;}
.pd-card .pd-btn:hover{filter:brightness(1.1);transform:translateX(3px);}
.pd-adv{background:linear-gradient(180deg,var(--pd-bg2),var(--pd-bg));border-top:1px solid var(--pd-line);border-bottom:1px solid var(--pd-line);}
.pd-adv-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;}
.pd-adv-item{background:rgba(20,31,54,.7);border:1px solid var(--pd-line);border-radius:16px;padding:24px;transition:.3s;}
.pd-adv-item:hover{transform:translateY(-5px);border-color:rgba(245,183,61,.45);}
.pd-adv-item .ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-weight:900;font-size:18px;color:#0a0f1c;background:linear-gradient(135deg,var(--pd-gold),#ffe08a);margin-bottom:14px;}
.pd-adv-item h3{margin:0 0 8px;font-size:16.5px;}
.pd-adv-item p{margin:0;color:var(--pd-muted);font-size:14px;line-height:1.85;}
.pd-table-wrap{overflow-x:auto;border:1px solid var(--pd-line);border-radius:16px;background:var(--pd-card);}
.pd-table{width:100%;border-collapse:collapse;min-width:640px;font-size:14px;}
.pd-table th,.pd-table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--pd-line);}
.pd-table th{background:rgba(59,130,246,.12);color:#cfe0ff;font-weight:700;font-size:13.5px;white-space:nowrap;}
.pd-table td{color:var(--pd-muted);}
.pd-table tr:last-child td{border-bottom:none;}
.pd-table td:first-child{color:var(--pd-text);font-weight:600;}
.pd-cta{padding:0 20px 72px;}
.pd-cta-box{max-width:1200px;margin:0 auto;padding:44px 28px;border-radius:22px;text-align:center;background:radial-gradient(600px 200px at 20% 0%,rgba(34,211,238,.24),transparent 60%),radial-gradient(600px 220px at 85% 100%,rgba(245,183,61,.18),transparent 60%),linear-gradient(150deg,#12203a,#0c1526);border:1px solid rgba(59,130,246,.32);}
.pd-cta-box h2{margin:0 0 12px;font-size:clamp(21px,2.8vw,30px);font-weight:900;}
.pd-cta-box p{margin:0 auto 26px;max-width:680px;color:var(--pd-muted);line-height:1.9;font-size:15px;}
.pd-cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.pd-cta-actions a{text-decoration:none;font-weight:800;font-size:15px;padding:13px 30px;border-radius:12px;transition:.28s;}
.pd-cta-actions .primary{color:#04101f;background:linear-gradient(135deg,var(--pd-cyan),var(--pd-blue));box-shadow:0 14px 30px -14px rgba(34,211,238,.7);}
.pd-cta-actions .primary:hover{transform:translateY(-3px);filter:brightness(1.08);}
.pd-cta-actions .ghost{color:var(--pd-text);border:1px solid rgba(120,160,255,.4);background:rgba(120,160,255,.08);}
.pd-cta-actions .ghost:hover{background:rgba(120,160,255,.18);}
.page-products .site-footer{background:#070c16;border-top:1px solid var(--pd-line);padding:52px 20px 26px;}
.page-products .footer-wrap{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;}
.page-products .footer-wrap h3{font-size:14.5px;margin:0 0 14px;color:#fff;}
.page-products .footer-wrap p{color:var(--pd-muted);font-size:13.5px;line-height:1.9;margin:0;}
.page-products .footer-wrap ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px;}
.page-products .footer-wrap ul a{color:var(--pd-muted);text-decoration:none;font-size:13.5px;transition:.2s;}
.page-products .footer-wrap ul a:hover{color:var(--pd-cyan);}
.page-products .footer-bottom{max-width:1200px;margin:34px auto 0;padding-top:20px;border-top:1px solid var(--pd-line);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;color:#6f81a3;font-size:12.5px;}
@media (max-width:820px){
  .page-products .footer-wrap{grid-template-columns:1fr 1fr;}
}
@media (max-width:600px){
  .page-products .footer-wrap{grid-template-columns:1fr;}
  .pd-sec{padding:44px 20px;}
  .page-products .nav-links a{padding:7px 9px;font-size:13px;}
  .pd-banner{padding:44px 20px 34px;}
  .pd-cta-box{padding:32px 18px;}
}

/* ===== 质量保险补充样式 ===== */
/* ============ 基础变量补充 ============ */
:root {
  --nav-height: 72px;
  --footer-bg: #0a2740;
  --footer-text: #9fb6c6;
  --footer-heading: #ffffff;
  --outline-color: #1a73e8;
  --card-radius: 16px;
  --card-shadow: 0 4px 20px rgba(10, 39, 64, 0.08);
  --card-shadow-hover: 0 12px 32px rgba(10, 39, 64, 0.16);
  --transition-base: all 0.3s ease;
}

/* ============ 头部导航 ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(10, 39, 64, 0.08);
  box-shadow: 0 1px 0 rgba(10, 39, 64, 0.04);
}

.main-nav {
  width: 100%;
}

.nav-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  min-height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.header-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  min-height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  font-weight: 700;
  color: #0a2740;
  text-decoration: none;
  white-space: nowrap;
  transition: var(--transition-base);
}

.brand:hover {
  color: #1a73e8;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, #1a73e8, #0a2740);
  color: #fff;
  font-weight: 800;
  font-size: 1.05rem;
  flex-shrink: 0;
}

.brand-name {
  font-weight: 700;
  letter-spacing: 0.2px;
}

/* ============ 导航菜单 ============ */
.nav-links,
.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links li,
.nav-menu li {
  margin: 0;
}

.nav-links a,
.nav-menu a {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 10px;
  font-size: 0.94rem;
  font-weight: 500;
  color: #35495e;
  text-decoration: none;
  transition: var(--transition-base);
  white-space: nowrap;
}

.nav-links a:hover,
.nav-menu a:hover {
  color: #1a73e8;
  background: rgba(26, 115, 232, 0.08);
}

.nav-links a.active,
.nav-menu a.active {
  color: #1a73e8;
  background: rgba(26, 115, 232, 0.12);
  font-weight: 600;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav ul a {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 10px;
  font-size: 0.94rem;
  font-weight: 500;
  color: #35495e;
  text-decoration: none;
  transition: var(--transition-base);
}

.site-nav ul a:hover,
.site-nav ul a.active {
  color: #1a73e8;
  background: rgba(26, 115, 232, 0.1);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(10, 39, 64, 0.14);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  padding: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  color: #0a2740;
  font-size: 1.2rem;
  transition: var(--transition-base);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: #0a2740;
  border-radius: 2px;
  transition: var(--transition-base);
}

.nav-toggle:hover {
  border-color: #1a73e8;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ============ 按钮样式 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 12px;
  font-size: 0.96rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition-base);
  white-space: nowrap;
  line-height: 1.4;
}

.btn-primary {
  background: linear-gradient(135deg, #1a73e8, #1557b0);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(26, 115, 232, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #1557b0, #0d47a1);
  box-shadow: 0 8px 22px rgba(26, 115, 232, 0.42);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: #1a73e8;
  border: 2px solid #1a73e8;
  box-shadow: none;
}

.btn-outline:hover {
  background: #1a73e8;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(26, 115, 232, 0.28);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.6);
}

/* CTA 按钮容器 */
.cta-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  align-items: center;
  margin-top: 8px;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-top: 24px;
}

.article-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-top: 24px;
}

.article-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 12px;
  font-size: 0.96rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition-base);
}

.article-actions a.primary {
  background: linear-gradient(135deg, #1a73e8, #1557b0);
  color: #fff;
  box-shadow: 0 4px 14px rgba(26, 115, 232, 0.3);
}

.article-actions a.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(26, 115, 232, 0.42);
}

.article-actions a.ghost {
  background: transparent;
  color: #cfd9ec;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.article-actions a.ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
}

/* ============ CTA 区块 ============ */
.cta-section {
  background: linear-gradient(135deg, #0a2740 0%, #123a5e 55%, #1a73e8 130%);
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: -60%;
  right: -10%;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(26, 115, 232, 0.22), transparent 70%);
  pointer-events: none;
}

.cta-section::after {
  content: "";
  position: absolute;
  bottom: -50%;
  left: -8%;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.06), transparent 70%);
  pointer-events: none;
}

.cta-inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-section .container.cta-inner {
  max-width: 880px;
}

.cta-inner h2 {
  color: #fff;
  font-size: clamp(1.6rem, 3.2vw, 2.3rem);
  font-weight: 800;
  line-height: 1.35;
  margin: 0 0 18px;
  letter-spacing: 0.3px;
}

.cta-inner p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.02rem;
  line-height: 1.9;
  margin: 0 0 8px;
}

/* ============ 特性卡片网格 ============ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin-top: 8px;
}

.feature-card {
  background: #f8fbfd;
  border: 1px solid #e6eef4;
  border-radius: var(--card-radius);
  padding: 30px 26px;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, #1a73e8, #123a5e);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.feature-card:hover {
  background: #ffffff;
  border-color: rgba(26, 115, 232, 0.25);
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-4px);
}

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

.feature-card h3 {
  color: #0a2740;
  font-size: 1.08rem;
  font-weight: 700;
  margin: 0 0 12px;
  line-height: 1.5;
}

.feature-card p {
  color: #5b7285;
  line-height: 1.85;
  font-size: 0.94rem;
  margin: 0;
}

/* ============ 页脚 ============ */
.site-footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 60px 0 0;
  font-size: 0.92rem;
  line-height: 1.8;
}

.footer-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px 48px;
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 40px;
}

.footer-col {
  min-width: 0;
}

.footer-brand {
  max-width: 380px;
}

.footer-title {
  color: var(--footer-heading);
  font-size: 1.08rem;
  font-weight: 700;
  margin: 0 0 16px;
  line-height: 1.5;
}

.footer-brand p {
  color: var(--footer-text);
  line-height: 1.85;
  margin: 0;
  font-size: 0.9rem;
}

.footer-heading {
  color: var(--footer-heading);
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 16px;
  line-height: 1.5;
  position: relative;
  padding-bottom: 10px;
}

.footer-heading::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, #1a73e8, #4da3ff);
  border-radius: 2px;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li {
  margin: 0;
}

.footer-col ul a {
  color: var(--footer-text);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition-base);
  display: inline-block;
}

.footer-col ul a:hover {
  color: #fff;
  transform: translateX(3px);
}

/* 页脚导航（news-detail 样式） */
.footer-nav {
  min-width: 0;
}

.footer-nav h3 {
  color: var(--footer-heading);
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 16px;
  padding-bottom: 10px;
  position: relative;
}

.footer-nav h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, #1a73e8, #4da3ff);
  border-radius: 2px;
}

.footer-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav ul a {
  color: var(--footer-text);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition-base);
  display: inline-block;
}

.footer-nav ul a:hover {
  color: #fff;
  transform: translateX(3px);
}

.footer-info {
  min-width: 0;
}

.footer-info h3 {
  color: var(--footer-heading);
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 16px;
  padding-bottom: 10px;
  position: relative;
}

.footer-info h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, #1a73e8, #4da3ff);
  border-radius: 2px;
}

.footer-info ul {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-info ul a {
  color: var(--footer-text);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition-base);
  display: inline-block;
}

.footer-info ul a:hover {
  color: #fff;
  transform: translateX(3px);
}

.footer-note {
  color: rgba(159, 182, 198, 0.75);
  font-size: 0.82rem;
  line-height: 1.7;
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-links {
  min-width: 0;
}

.footer-links h3,
.footer-links h4 {
  color: var(--footer-heading);
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 16px;
  padding-bottom: 10px;
  position: relative;
}

.footer-links h3::after,
.footer-links h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, #1a73e8, #4da3ff);
  border-radius: 2px;
}

.footer-links ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links ul a {
  color: var(--footer-text);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition-base);
  display: inline-block;
}

.footer-links ul a:hover {
  color: #fff;
  transform: translateX(3px);
}

/* 页脚底部版权 */
.footer-bottom {
  max-width: 1240px;
  margin: 0 auto;
  padding: 22px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
}

.footer-bottom p {
  margin: 0;
  color: rgba(159, 182, 198, 0.8);
  font-size: 0.85rem;
  line-height: 1.7;
}

/* ============ 新闻列表布局 ============ */
.news-layout {
  max-width: 1240px;
  margin: 0 auto;
  padding: 48px 24px 64px;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
}

.news-main {
  min-width: 0;
}

.section-head {
  margin-bottom: 24px;
}

.section-head h2 {
  color: #0a2740;
  font-size: clamp(1.4rem, 2.6vw, 1.8rem);
  font-weight: 800;
  margin: 0 0 12px;
  line-height: 1.4;
}

.section-head p {
  color: #5b7285;
  font-size: 0.96rem;
  line-height: 1.85;
  margin: 0;
}

.cat-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(10, 39, 64, 0.08);
}

.cat-tags a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 999px;
  background: #f0f5fa;
  color: #35495e;
  font-size: 0.88rem;
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition-base);
  border: 1px solid transparent;
}

.cat-tags a:hover {
  background: #e3eef9;
  color: #1a73e8;
  border-color: rgba(26, 115, 232, 0.2);
}

.cat-tags a.active {
  background: linear-gradient(135deg, #1a73e8, #1557b0);
  color: #fff;
  box-shadow: 0 4px 12px rgba(26, 115, 232, 0.25);
}

.cat-tags a .count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 999px;
  background: rgba(10, 39, 64, 0.08);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
}

.cat-tags a.active .count {
  background: rgba(255, 255, 255, 0.22);
  color: #fff;
}

/* ============ 上一篇下一篇 ============ */
.pager-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid rgba(10, 39, 64, 0.08);
}

.pager-nav a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  border-radius: var(--card-radius);
  background: #fff;
  border: 1px solid rgba(10, 39, 64, 0.08);
  box-shadow: var(--card-shadow);
  text-decoration: none;
  transition: var(--transition-base);
  min-width: 0;
}

.pager-nav a:hover {
  border-color: rgba(26, 115, 232, 0.3);
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-3px);
}

.pager-nav a.prev {
  text-align: left;
}

.pager-nav a.next {
  text-align: right;
}

.pager-nav .lbl {
  font-size: 0.82rem;
  font-weight: 600;
  color: #1a73e8;
  letter-spacing: 0.5px;
}

.pager-nav .ttl {
  font-size: 0.94rem;
  font-weight: 600;
  color: #0a2740;
  line-height: 1.6;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.pager-nav a:hover .ttl {
  color: #1a73e8;
}

/* ============ 新闻说明 ============ */
.news-note {
  background: #f8fbfd;
  border-top: 1px solid rgba(10, 39, 64, 0.06);
  padding: 56px 0;
}

.note-inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}

.note-inner h2 {
  color: #0a2740;
  font-size: clamp(1.3rem, 2.4vw, 1.6rem);
  font-weight: 800;
  margin: 0 0 16px;
  line-height: 1.4;
}

.note-inner p {
  color: #5b7285;
  font-size: 0.96rem;
  line-height: 1.9;
  margin: 0;
}

/* ============ 动效 ============ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

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

/* ============ 响应式 ============ */
@media (max-width: 1080px) {
  .news-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .footer-brand {
    max-width: none;
    grid-column: 1 / -1;
  }
}

@media (max-width: 860px) {
  .nav-inner,
  .header-inner {
    padding: 0 18px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-links,
  .nav-menu,
  .site-nav ul {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: #ffffff;
    padding: 16px 18px 20px;
    border-bottom: 1px solid rgba(10, 39, 64, 0.08);
    box-shadow: 0 12px 28px rgba(10, 39, 64, 0.12);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    max-height: calc(100vh - var(--nav-height));
    overflow-y: auto;
  }

  .nav-links.is-open,
  .nav-menu.is-open,
  .site-nav ul.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-links a,
  .nav-menu a,
  .site-nav ul a {
    display: block;
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 1rem;
  }

  .site-nav {
    position: static;
  }

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

  .pager-nav {
    grid-template-columns: 1fr;
  }

  .pager-nav a.next {
    text-align: left;
  }
}

@media (max-width: 640px) {
  :root {
    --nav-height: 64px;
  }

  .brand {
    font-size: 0.94rem;
    gap: 8px;
  }

  .brand-mark {
    width: 32px;
    height: 32px;
    font-size: 0.95rem;
    border-radius: 8px;
  }

  .nav-inner,
  .header-inner {
    padding: 0 16px;
  }

  .btn {
    padding: 11px 22px;
    font-size: 0.9rem;
    width: 100%;
  }

  .cta-btns,
  .cta-actions,
  .article-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .article-actions a {
    width: 100%;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 0 16px 40px;
  }

  .site-footer {
    padding-top: 44px;
  }

  .footer-bottom {
    padding: 18px 16px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  .news-layout {
    padding: 32px 16px 48px;
  }

  .cta-inner {
    padding: 0 16px;
  }

  .cta-section {
    padding: 48px 0;
  }

  .note-inner {
    padding: 0 16px;
  }

  .pager-nav {
    margin-top: 28px;
    padding-top: 24px;
  }

  .pager-nav a {
    padding: 16px;
  }
}

@media (max-width: 400px) {
  .brand-name {
    display: none;
  }

  .cat-tags a {
    padding: 7px 12px;
    font-size: 0.82rem;
  }
}

/* ============ 无障碍与动效偏好 ============ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

:focus-visible {
  outline: 2px solid #1a73e8;
  outline-offset: 3px;
  border-radius: 4px;
}