/* ============================================ */
/* 黑料yandex_黑料视频 — 设计系统 */
/* 风格：真相编辑室 · 档案检索 · 红色印象 */
/* ============================================ */

:root {
  --paper: #FDF9F3;
  --paper-alt: #F5EFE7;
  --paper-deep: #EBE2D8;
  --ink: #2D2926;
  --ink-soft: #5F5951;
  --coral: #FF5A3C;
  --coral-dark: #E6452A;
  --teal: #1E6B6A;
  --teal-soft: #EFFFF5;
  --gold: #EBC05A;
  --line: #E6DED4;
  --white: #FFFFFF;
  --shadow-sm: 0 2px 8px rgba(45, 42, 38, 0.06);
  --shadow-md: 0 8px 30px rgba(45, 42, 38, 0.08);
  --shadow-lg: 0 20px 60px rgba(45, 42, 38, 0.12);
  --radius: 4px;
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
  line-height: 1.6;
  font-size: 16px;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

/* ============================================ */
/* 核心布局                                      */
/* ============================================ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
}

.section {
  padding: 120px 0;
  position: relative;
}

.section:nth-child(even) {
  background: var(--paper-alt);
}

/* 背景装饰 — 网格线 */
.section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.25;
  z-index: 0;
}

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

/* ============================================ */
/* 导航 — 固定顶部                               */
/* ============================================ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(253, 249, 243, 0.92);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.6) inset;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 1.3rem;
  text-decoration: none;
  color: var(--ink);
  letter-spacing: -0.02em;
  position: relative;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--coral);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 800;
  box-shadow: 0 0 0 4px rgba(255, 90, 60, 0.16);
  position: relative;
}

.logo-icon::after {
  content: '!';
  font-weight: 900;
  font-size: 1.4rem;
}

.logo span {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--ink-soft);
  letter-spacing: 0.08em;
  display: block;
  margin-top: -2px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink);
  transition: color 0.25s, opacity 0.25s;
  letter-spacing: 0.02em;
  position: relative;
  padding: 4px 0;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--coral);
  transition: width 0.35s var(--ease);
}

.main-nav a:hover {
  color: var(--coral);
}

.main-nav a:hover::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 24px !important;
  border-radius: 100px;
  background: var(--coral) !important;
  color: var(--white) !important;
  font-weight: 700;
  font-size: 0.85rem !important;
  box-shadow: 0 4px 14px rgba(255, 90, 60, 0.3);
  transition: transform 0.25s, box-shadow 0.25s !important;
}

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

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 90, 60, 0.4);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--ink);
  border-radius: 4px;
  transition: 0.3s;
}

.menu-toggle span:nth-child(1) { transform-origin: 0 0; }
.menu-toggle span:nth-child(3) { transform-origin: 0 100%; }

.menu-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(4px, -2px);
}

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

.menu-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, 2px);
}

/* ============================================ */
/* 首页 Hero                                    */
/* ============================================ */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 100px;
  position: relative;
  background: var(--paper);
}

/* 背景装饰 */
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(160deg, rgba(235, 192, 90, 0.06) 20%, transparent 20%),
    linear-gradient(340deg, rgba(255, 90, 60, 0.04) 20%, transparent 20%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 90, 60, 0.06) 0%, transparent 65%);
  pointer-events: none;
}

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

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 6px 18px;
  border-radius: 100px;
  background: rgba(255, 90, 60, 0.1);
  color: var(--coral-dark);
  margin-bottom: 24px;
  text-transform: uppercase;
  border: 1px solid rgba(255, 90, 60, 0.2);
}

.hero-eyebrow::before {
  content: '●';
  font-size: 0.5rem;
  color: var(--coral);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

.hero h1 {
  font-size: clamp(3rem, 7vw, 5.5rem);
  line-height: 1.05;
  font-weight: 900;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
  color: var(--ink);
  position: relative;
}

.hero h1 em {
  font-style: normal;
  position: relative;
  color: var(--coral);
}

.hero h1 em::after {
  content: '';
  position: absolute;
  bottom: 8px;
  left: 0;
  width: 100%;
  height: 10px;
  background: rgba(255, 90, 60, 0.18);
  z-index: -1;
  transform: skewX(-12deg);
}

.hero p {
  font-size: 1.15rem;
  opacity: 0.8;
  max-width: 560px;
  margin-bottom: 40px;
  line-height: 1.7;
  letter-spacing: 0.01em;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ============================================ */
/* 按钮                                         */
/* ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 34px;
  border-radius: 100px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s;
  position: relative;
  overflow: hidden;
  letter-spacing: 0.04em;
}

.btn-primary {
  background: var(--coral);
  color: var(--white);
  box-shadow: 0 8px 24px rgba(255, 90, 60, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 32px rgba(255, 90, 60, 0.42);
}

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

.btn-outline:hover {
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(45, 42, 38, 0.1);
}

/* ============================================ */
/* 标签 / 标题                                  */
/* ============================================ */

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--coral);
  margin-bottom: 16px;
  position: relative;
}

.section-label::before {
  content: '';
  width: 28px;
  height: 2px;
  background: var(--coral);
  display: block;
}

.section-label::after {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--coral);
  display: block;
  border-radius: 50%;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  color: var(--ink);
}

.section-desc {
  max-width: 600px;
  opacity: 0.75;
  margin-bottom: 48px;
  font-size: 1.02rem;
  line-height: 1.7;
}

/* ============================================ */
/* 卡片网格 — 黑料库                            */
/* ============================================ */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.category-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
  position: relative;
  overflow: hidden;
}

/* 档案编号 */
.category-card::before {
  content: attr(data-index);
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 0.72rem;
  font-weight: 700;
  color: rgba(45, 42, 38, 0.2);
  letter-spacing: 0.08em;
}

.category-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--coral), var(--gold));
  transform: scaleX(0);
  transform-origin: 0 0;
  transition: transform 0.4s var(--ease);
}

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

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

.card-icon {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
  background: var(--coral);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(255, 90, 60, 0.28);
  transition: transform 0.3s;
}

.category-card:hover .card-icon {
  transform: rotate(-8deg) scale(1.05);
}

.category-card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.category-card p {
  font-size: 0.88rem;
  color: var(--ink-soft);
  line-height: 1.6;
  margin-bottom: 20px;
}

.card-link {
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--coral);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s;
}

.card-link:hover {
  gap: 10px;
}

.card-link::after {
  content: '→';
  transition: transform 0.3s;
}

.card-link:hover::after {
  transform: translateX(4px);
}

/* ============================================ */
/* 特性块                                       */
/* ============================================ */

.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.feature-image {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  background: linear-gradient(135deg, var(--teal), #3B8B8A);
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  /* 模拟图片 */
  background-image:
    radial-gradient(circle at 30% 40%, rgba(255, 255, 255, 0.15) 0%, transparent 50%),
    linear-gradient(135deg, #1E6B6A 0%, #4BA8A6 100%);
}

.feature-image::before {
  content: '▶';
  font-size: 3rem;
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  transition: transform 0.4s;
}

.feature-image:hover::before {
  transform: scale(1.15);
}

.feature-image::after {
  content: 'REC';
  position: absolute;
  top: 16px;
  left: 16px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--white);
  background: var(--coral);
  padding: 4px 10px;
  border-radius: 3px;
  animation: blink 1.5s infinite;
}

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

.feature-image img {
  width: 100%;
  height: auto;
  display: block;
}

.feature-text {
  position: relative;
}

.feature-text .section-title {
  margin-bottom: 12px;
}

.feature-list {
  list-style: none;
  margin-top: 24px;
}

.feature-list li {
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  color: var(--ink);
  font-weight: 500;
  border-bottom: 1px dashed var(--line);
}

.feature-list li:last-child {
  border-bottom: none;
}

.feature-list li::before {
  content: '✓';
  font-weight: 900;
  color: var(--coral);
  background: rgba(255, 90, 60, 0.1);
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
}

/* ============================================ */
/* 数据条                                       */
/* ============================================ */

.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item {
  background: var(--paper);
  padding: 36px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  position: relative;
  transition: transform 0.3s, box-shadow 0.3s;
}

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

.stat-number {
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--coral);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-number::after {
  content: '+';
  font-size: 0.6em;
  vertical-align: super;
  margin-left: 2px;
}

.stat-label {
  font-size: 0.88rem;
  opacity: 0.65;
  margin-top: 8px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* ============================================ */
/* 内容墙 — 视频爆料墙                          */
/* ============================================ */

.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}

.content-wall-item {
  background: var(--paper);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  transition: transform 0.3s var(--ease), box-shadow 0.3s;
  position: relative;
  cursor: pointer;
}

.content-wall-item:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: var(--shadow-lg);
  border-color: rgba(255, 90, 60, 0.2);
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}

.content-wall-item:hover img {
  transform: scale(1.05);
}

.content-wall-item::after {
  content: '时长 18:24';
  position: absolute;
  right: 12px;
  top: 160px;
  background: rgba(45, 42, 38, 0.85);
  color: var(--white);
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 3px;
}

.content-wall-body {
  padding: 22px 20px;
}

.content-wall-body h3 {
  font-size: 0.98rem;
  font-weight: 700;
  margin-bottom: 6px;
  line-height: 1.4;
}

.content-wall-body p {
  font-size: 0.82rem;
  color: var(--ink-soft);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 视频标签 */
.content-wall-body::before {
  content: '视频';
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 800;
  background: rgba(30, 107, 106, 0.1);
  color: var(--teal);
  padding: 2px 8px;
  border-radius: 3px;
  margin-bottom: 10px;
  letter-spacing: 0.08em;
}

/* ============================================ */
/* FAQ                                          */
/* ============================================ */

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.faq-item:hover {
  border-color: rgba(255, 90, 60, 0.3);
}

.faq-item .faq-question {
  padding: 22px 28px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1rem;
  letter-spacing: 0.01em;
  position: relative;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--coral);
  transition: transform 0.3s var(--ease);
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item .faq-answer {
  padding: 0 28px 24px;
  display: none;
  opacity: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--ink-soft);
  border-top: 1px dashed var(--line);
  padding-top: 16px;
}

.faq-item.open {
  border-color: rgba(255, 90, 60, 0.25);
  box-shadow: var(--shadow-sm);
}

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

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
  color: var(--coral);
}

.faq-item.open .faq-answer {
  display: block;
  opacity: 1;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================ */
/* CTA 横幅                                     */
/* ============================================ */

.cta-banner {
  padding: 72px 40px;
  text-align: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--coral) 0%, #FF7A5C 60%, #FF9466 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(255, 90, 60, 0.28);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}

.cta-banner::after {
  content: '真相';
  position: absolute;
  bottom: -20px;
  left: 20px;
  font-size: 8rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.06);
  letter-spacing: -0.05em;
  z-index: 0;
}

.cta-banner h2 {
  color: var(--white);
  font-size: 2rem;
  margin-bottom: 12px;
  font-weight: 900;
  position: relative;
  z-index: 1;
  letter-spacing: -0.02em;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary {
  background: var(--white);
  color: var(--coral);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  background: var(--white);
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.15);
}

/* ============================================ */
/* 页脚                                         */
/* ============================================ */

.site-footer {
  background: var(--paper-alt);
  padding: 80px 0 28px;
  border-top: 1px solid var(--line);
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--coral), var(--gold), var(--teal));
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand {
  padding-right: 24px;
}

.footer-brand .logo {
  margin-bottom: 16px;
  font-size: 1.4rem;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.6;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
}

.footer-col a {
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.88rem;
  transition: color 0.2s, padding-left 0.2s;
  position: relative;
}

.footer-col a:hover {
  color: var(--coral);
  padding-left: 8px;
}

.footer-bottom {
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  margin-top: 40px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--ink-soft);
  letter-spacing: 0.03em;
}

.footer-bottom .footer-tag {
  margin-top: 8px;
  font-size: 0.75rem;
  color: rgba(0, 0, 0, 0.35);
}

/* ============================================ */
/* 工具类                                       */
/* ============================================ */

.text-accent {
  color: var(--coral);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.75;
  text-align: center;
  line-height: 1.7;
}

.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }

/* ============================================ */
/* Hero 右侧卡片                                */
/* ============================================ */

.hero-visual {
  position: relative;
  z-index: 2;
}

.hero-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  box-shadow: var(--shadow-md);
  transform: rotate(2deg);
  position: relative;
  max-width: 380px;
  margin-left: auto;
}

.hero-card::before {
  content: '机密';
  position: absolute;
  top: 20px;
  right: 20px;
  width: 52px;
  height: 52px;
  border: 3px solid var(--coral);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--coral);
  transform: rotate(-18deg);
  letter-spacing: 0.1em;
  background: rgba(255, 255, 255, 0.8);
}

.hero-card-header {
  border-bottom: 1px dashed var(--line);
  padding-bottom: 12px;
  margin-bottom: 14px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ink-soft);
  letter-spacing: 0.08em;
  display: flex;
  justify-content: space-between;
}

.hero-card-title {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 6px;
  color: var(--ink);
}

.hero-card-desc {
  font-size: 0.8rem;
  color: var(--ink-soft);
  line-height: 1.6;
  margin-bottom: 14px;
}

.hero-card-stats {
  display: flex;
  gap: 16px;
  font-size: 0.72rem;
  color: var(--ink-soft);
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}

.hero-card-stats span strong {
  color: var(--coral);
  font-size: 1.2rem;
  display: block;
}

/* 装饰元素 */
.hero-decor {
  position: absolute;
  z-index: 1;
}

.hero-decor-circle {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 2px dashed var(--gold);
  position: absolute;
  top: -40px;
  left: -60px;
  animation: spin 20s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.hero-decor-rect {
  width: 80px;
  height: 80px;
  background: rgba(255, 90, 60, 0.1);
  position: absolute;
  bottom: -44px;
  right: -30px;
  border-radius: 8px;
  border: 1px solid rgba(255, 90, 60, 0.25);
}

/* 编辑标记 */
.editor-line {
  position: absolute;
  left: -8px;
  top: 18px;
  width: 4px;
  height: 0;
  background: var(--coral);
  animation: growLine 1s ease forwards;
}

@keyframes growLine {
  to { height: 40px; }
}

/* ============================================ */
/* 响应式                                       */
/* ============================================ */

@media (max-width: 768px) {
  .section {
    padding: 80px 0;
  }

  .hero {
    padding: 120px 0 60px;
    min-height: auto;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

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

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

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

  .main-nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: var(--paper);
    padding: 20px 24px;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
    align-items: flex-start;
    gap: 16px;
  }

  .main-nav.open {
    display: flex;
  }

  .menu-toggle {
    display: flex;
  }

  .hero-card {
    margin: 40px auto 0;
    max-width: 340px;
  }

  .cta-banner {
    padding: 48px 24px;
  }

  .cta-banner h2 {
    font-size: 1.6rem;
  }
}

@media (max-width: 480px) {
  .cards-grid,
  .content-wall,
  .stats-bar {
    grid-template-columns: 1fr;
  }

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

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

  .hero-buttons .btn {
    justify-content: center;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-eyebrow {
    font-size: 0.72rem;
    padding: 4px 12px;
  }

  .section-title {
    font-size: 1.7rem;
  }

  .stat-item {
    padding: 24px 16px;
  }

  .site-footer {
    padding: 56px 0 20px;
  }

  .cta-banner::after {
    font-size: 4rem;
  }
}

/* ============================================ */
/* 打印样式                                     */
/* ============================================ */

@media print {
  .site-header, .btn, .cta-banner, .footer-bottom, .hero-card::before {
    display: none !important;
  }

  body {
    background: var(--white);
  }

  .section::before {
    display: none;
  }

  .hero {
    min-height: auto;
  }
}