/* roulang page: index */
:root {
  --bg: #0B0B0F;
  --bg-alt: #101016;
  --panel: #171721;
  --panel-hover: #1E1E2A;
  --text: #F5F5F7;
  --muted: #9CA3AF;
  --line: rgba(255, 255, 255, 0.08);
  --brand: #F59E0B;
  --brand-hover: #FBBF24;
  --accent: #2DD4BF;
  --radius-lg: 12px;
  --radius-md: 8px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 64px;
}

@media (min-width: 768px) {
  body {
    padding-bottom: 0;
  }
}

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

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

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

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

@media (max-width: 640px) {
  .container {
    padding: 0 16px;
  }
}

/* 导航 */
.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: #d1d5db;
  padding: 6px 2px;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--brand);
  border-radius: 2px;
  transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  color: #ffffff;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link:focus-visible,
.btn-primary:focus-visible,
.btn-outline:focus-visible,
.mobile-tab a:focus-visible,
.form-control:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

/* 按钮 */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--brand);
  color: #0B0B0F;
  font-weight: 700;
  font-size: 15px;
  padding: 10px 22px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.15s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.25);
}

.btn-primary:hover {
  background: var(--brand-hover);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.35);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #ffffff;
  font-weight: 600;
  font-size: 15px;
  padding: 10px 22px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
  transition: background 0.3s ease, border 0.3s ease, transform 0.15s ease;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-1px);
}

.btn-outline:active {
  transform: scale(0.98);
}

/* 区块标题 */
.section-head {
  margin-bottom: 32px;
}

.section-head h2 {
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-bottom: 10px;
}

.section-head p {
  color: var(--muted);
  font-size: 15px;
  max-width: 640px;
}

/* 卡片通用 */
.stat-card,
.service-card,
.content-card,
.compare-card,
.faq-card,
.feedback-card,
.news-item,
.side-card,
.guide-card,
.contact-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease, border-color 0.3s ease;
}

.stat-card:hover,
.service-card:hover,
.content-card:hover,
.feedback-card:hover,
.side-card:hover,
.guide-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.5);
  border-color: rgba(245, 158, 11, 0.3);
}

/* 指标看板 */
.stat-card {
  padding: 20px 18px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(145deg, #171721 0%, #1a1a26 100%);
}

.stat-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(245, 158, 11, 0.14);
  color: var(--brand);
  font-size: 17px;
  margin-bottom: 12px;
}

.stat-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--brand);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.stat-label {
  font-size: 13px;
  color: var(--muted);
  margin-top: 4px;
}

.stat-badge {
  position: absolute;
  top: 16px;
  right: 14px;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 100px;
  background: rgba(45, 212, 191, 0.15);
  color: var(--accent);
}

/* 服务矩阵 */
.service-card {
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--brand);
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

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

.service-number {
  font-size: 13px;
  font-weight: 700;
  color: rgba(245, 158, 11, 0.5);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

.service-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(245, 158, 11, 0.12);
  color: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.service-card p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
  margin-bottom: 14px;
}

.badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.08);
  color: #d1d5db;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.badge-hot {
  background: rgba(245, 158, 11, 0.18);
  color: var(--brand);
  border-color: rgba(245, 158, 11, 0.2);
}

.badge-new {
  background: rgba(45, 212, 191, 0.15);
  color: var(--accent);
  border-color: rgba(45, 212, 191, 0.2);
}

/* 内容卡片 */
.content-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.content-card .cover {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
  background: #1a1a26;
}

.content-card .cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.content-card:hover .cover img {
  transform: scale(1.05);
}

.content-card .cover .badge {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  backdrop-filter: blur(4px);
  background: rgba(11, 11, 15, 0.7);
}

.content-card h3 {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  padding: 14px 14px 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 44px;
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px 14px;
  color: var(--muted);
  font-size: 13px;
  margin-top: auto;
}

.card-meta a {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: #d1d5db;
  transition: background 0.3s, color 0.3s;
}

.card-meta a:hover {
  background: var(--brand);
  color: #0B0B0F;
}

/* 对比 */
.compare-card {
  padding: 28px 26px;
  border-radius: 14px;
}

.compare-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.compare-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.compare-card li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14.5px;
  color: #d1d5db;
  line-height: 1.55;
}

.compare-card li i {
  margin-top: 3px;
  font-size: 15px;
  flex-shrink: 0;
}

.compare-bad {
  border-color: rgba(248, 113, 113, 0.18);
  background: linear-gradient(145deg, #16161f, #1a1a24);
}

.compare-bad li i {
  color: #f87171;
}

.compare-good {
  border-color: rgba(245, 158, 11, 0.25);
  background: linear-gradient(145deg, #191914, #1c1c16);
}

.compare-good li i {
  color: var(--brand);
}

.vs-circle {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid rgba(245, 158, 11, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
  color: var(--brand);
  z-index: 3;
  box-shadow: 0 0 0 6px rgba(11, 11, 15, 0.8);
}

/* 评价 */
.feedback-card {
  padding: 20px;
}

.feedback-card .stars {
  color: var(--brand);
  font-size: 13px;
  margin-bottom: 10px;
}

.feedback-card p {
  font-size: 14.5px;
  color: #e5e7eb;
  line-height: 1.65;
  margin-bottom: 12px;
}

.feedback-card .author {
  font-size: 13px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.feedback-card .author .avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.2);
  color: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
}

/* 种草卡 */
.social-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3/4;
  background: #1a1a26;
}

.social-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.social-card:hover img {
  transform: scale(1.05);
}

.social-card .overlay {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 30px 12px 12px;
  background: linear-gradient(to top, rgba(11, 11, 15, 0.85), transparent);
}

.social-card .overlay span {
  font-size: 13px;
  font-weight: 600;
  color: #fff;
}

/* 资讯列表 */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.news-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
}

.news-item:hover {
  background: var(--panel-hover);
  transform: translateX(4px);
}

.news-cat {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 100px;
  background: rgba(245, 158, 11, 0.12);
  color: var(--brand);
  white-space: nowrap;
}

.news-title {
  flex: 1;
  font-size: 14.5px;
  font-weight: 500;
  color: #e5e7eb;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.news-date {
  flex-shrink: 0;
  font-size: 12.5px;
  color: var(--muted);
}

.side-card {
  padding: 22px;
}

.side-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 14px;
}

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

.badge-row span {
  font-size: 13px;
  padding: 5px 12px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  color: #d1d5db;
  cursor: pointer;
  transition: all 0.3s ease;
}

.badge-row span:hover {
  background: rgba(245, 158, 11, 0.15);
  border-color: var(--brand);
  color: var(--brand);
}

.side-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.side-card ul a {
  font-size: 14px;
  color: #c7cbd1;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color 0.3s;
}

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

.side-card ul i {
  font-size: 8px;
  color: var(--brand);
}

/* 指南 */
.guide-card {
  padding: 28px 24px;
  text-align: left;
}

.guide-card .step-num {
  font-size: 34px;
  font-weight: 800;
  color: rgba(245, 158, 11, 0.25);
  line-height: 1;
  margin-bottom: 14px;
  font-variant-numeric: tabular-nums;
}

.guide-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.guide-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

/* FAQ */
.faq-card {
  overflow: hidden;
}

.faq-card + .faq-card {
  margin-top: 12px;
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 22px;
  background: transparent;
  border: none;
  color: #f5f5f7;
  font-size: 15.5px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: background 0.3s;
}

.faq-q:hover {
  background: rgba(255, 255, 255, 0.03);
}

.faq-q .faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: rgba(245, 158, 11, 0.12);
  color: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
}

.faq-q .arrow {
  margin-left: auto;
  color: var(--muted);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-card.active .faq-q .arrow {
  transform: rotate(180deg);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 22px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.7;
}

.faq-card.active .faq-a {
  max-height: 300px;
  padding: 0 22px 20px;
}

.faq-card.active {
  border-color: rgba(245, 158, 11, 0.3);
}

/* 表单 */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 13px;
  color: var(--muted);
  font-weight: 500;
}

.form-control {
  background: #12121a;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 11px 14px;
  color: #f5f5f7;
  font-size: 14.5px;
  width: 100%;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.form-control::placeholder {
  color: #6b7280;
}

.form-control:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%239CA3AF' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
}

textarea.form-control {
  min-height: 100px;
  resize: vertical;
}

.privacy-note {
  font-size: 12.5px;
  color: #6b7280;
  display: flex;
  align-items: center;
  gap: 8px;
}

.privacy-note i {
  color: var(--accent);
}

/* CTA */
.cta-banner {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.12), rgba(45, 212, 191, 0.06));
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: 16px;
  padding: 42px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner h2 {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 800;
  margin-bottom: 10px;
}

.cta-banner p {
  color: var(--muted);
  font-size: 15px;
  max-width: 520px;
  margin: 0 auto 22px;
}

/* 页脚 */
footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
}

footer h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 14px;
}

footer ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

footer ul a {
  font-size: 14px;
  color: var(--muted);
  transition: color 0.3s;
}

footer ul a:hover {
  color: var(--brand);
}

.footer-brand {
  font-size: 24px;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.footer-brand .logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--brand);
  color: #0B0B0F;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.copyright-line {
  border-top: 1px solid var(--line);
  margin-top: 36px;
  padding-top: 20px;
  font-size: 13.5px;
  color: #6b7280;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
}

/* 移动端 Tab */
.mobile-tab {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  background: rgba(16, 16, 22, 0.95);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--line);
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.3);
}

.mobile-tab a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 9px 0;
  font-size: 11px;
  color: #6b7280;
  transition: color 0.3s, transform 0.15s;
}

.mobile-tab a i {
  font-size: 17px;
}

.mobile-tab a.active {
  color: var(--brand);
}

.mobile-tab a:active {
  transform: scale(0.9);
}

/* 面包屑 */
.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 18px;
  padding: 5px 14px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
}

.breadcrumb a {
  color: #d1d5db;
  transition: color 0.3s;
}

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

/* Hero 标题 */
.hero-title {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
}

.hero-title .highlight {
  color: var(--brand);
}

.hero-sub {
  font-size: 16px;
  color: #c7cbd1;
  max-width: 620px;
  line-height: 1.75;
  margin-bottom: 28px;
}

/* 通用区块背景 */
.section-alt {
  background: var(--bg-alt);
}

/* 响应式微调 */
@media (max-width: 640px) {
  .hero-title {
    letter-spacing: -0.01em;
  }

  .news-item {
    flex-wrap: wrap;
    gap: 8px;
  }

  .news-title {
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }

  .news-date {
    margin-left: auto;
  }

  .cta-banner {
    padding: 30px 20px;
  }

  .vs-circle {
    position: relative;
    left: auto;
    top: auto;
    transform: none;
    margin: -20px auto -20px;
    width: 44px;
    height: 44px;
  }
}

/* roulang page: category1 */
:root {
  --bg: #0B0B0F;
  --bg-alt: #101016;
  --panel: #171721;
  --panel-hover: #1E1E2A;
  --text: #F5F5F7;
  --muted: #9CA3AF;
  --line: rgba(255, 255, 255, 0.08);
  --brand: #F59E0B;
  --brand-hover: #FBBF24;
  --accent: #2DD4BF;
  --radius-lg: 12px;
  --radius-md: 8px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 64px;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 767px) {
  .container {
    padding: 0 16px;
  }
}
/* 导航 */
.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: #d1d5db;
  padding: 6px 2px;
  transition: color 0.3s ease;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--brand);
  border-radius: 2px;
  transition: width 0.3s ease;
}
.nav-link:hover,
.nav-link.active {
  color: #ffffff;
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}
.nav-link:focus-visible,
.btn-primary:focus-visible,
.btn-outline:focus-visible,
.mobile-tab a:focus-visible,
.form-control:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}
/* 按钮 */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--brand);
  color: #0B0B0F;
  font-weight: 700;
  font-size: 15px;
  padding: 10px 22px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.15s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.25);
}
.btn-primary:hover {
  background: var(--brand-hover);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.35);
  transform: translateY(-1px);
}
.btn-primary:active {
  transform: scale(0.98);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #ffffff;
  font-weight: 600;
  font-size: 15px;
  padding: 10px 22px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
  transition: background 0.3s ease, border 0.3s ease, transform 0.15s ease;
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-1px);
}
.btn-outline:active {
  transform: scale(0.98);
}
/* 区块标题 */
.section-head {
  margin-bottom: 32px;
}
.section-head h2 {
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-bottom: 10px;
}
.section-head p {
  color: var(--muted);
  font-size: 15px;
  max-width: 640px;
}
/* 徽章 */
.badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.08);
  color: #d1d5db;
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.badge-hot {
  background: rgba(245, 158, 11, 0.18);
  color: var(--brand);
  border-color: rgba(245, 158, 11, 0.2);
}
.badge-new {
  background: rgba(45, 212, 191, 0.15);
  color: var(--accent);
  border-color: rgba(45, 212, 191, 0.2);
}
.badge-tag {
  background: rgba(255, 255, 255, 0.06);
  color: #9ca3af;
  border-color: rgba(255, 255, 255, 0.06);
}
/* 页面头部 */
.page-header {
  position: relative;
  padding: 104px 0 48px;
  overflow: hidden;
}
.page-header-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.page-header-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 11, 15, 0.85) 0%, rgba(11, 11, 15, 0.7) 50%, var(--bg) 100%);
}
.page-header .container {
  position: relative;
  z-index: 2;
}
.breadcrumb {
  margin-bottom: 12px;
}
.breadcrumb ol {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}
.breadcrumb a {
  color: var(--muted);
  transition: color 0.3s;
}
.breadcrumb a:hover {
  color: var(--brand);
}
.breadcrumb i {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.3);
}
.breadcrumb .current {
  color: #e5e7eb;
  font-weight: 500;
}
.page-header h1 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 16px;
}
.page-header h1 span {
  color: var(--brand);
}
.page-header .page-desc {
  color: #c0c4cc;
  font-size: 16px;
  max-width: 720px;
  line-height: 1.75;
}
/* 筛选栏 */
.filter-bar {
  padding: 24px 0 8px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 40px;
}
.filter-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.filter-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  margin-right: 4px;
}
.filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: #d1d5db;
  padding: 7px 18px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: background 0.3s, color 0.3s, border-color 0.3s, transform 0.15s;
}
.filter-pill:hover {
  background: rgba(245, 158, 11, 0.12);
  color: var(--brand);
  border-color: rgba(245, 158, 11, 0.3);
  transform: translateY(-1px);
}
.filter-pill.active {
  background: var(--brand);
  color: #0B0B0F;
  border-color: var(--brand);
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.25);
}
.filter-pill:active {
  transform: scale(0.96);
}
.filter-pill i {
  font-size: 12px;
}
.hot-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}
.hot-tags .tag-chip {
  font-size: 12px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  padding: 3px 12px;
  border-radius: 100px;
  transition: background 0.3s, color 0.3s;
}
.hot-tags .tag-chip:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #e5e7eb;
}
/* 内容卡片 */
.content-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.content-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.5);
  border-color: rgba(245, 158, 11, 0.3);
}
.content-card .cover {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
  background: #1a1a26;
}
.content-card .cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.content-card:hover .cover img {
  transform: scale(1.05);
}
.content-card .cover .badge {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  backdrop-filter: blur(4px);
  background: rgba(11, 11, 15, 0.7);
}
.content-card h3 {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.45;
  padding: 14px 14px 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 46px;
}
.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px 14px;
  color: var(--muted);
  font-size: 13px;
  margin-top: auto;
}
.card-meta a {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: #d1d5db;
  transition: background 0.3s, color 0.3s;
}
.card-meta a:hover {
  background: var(--brand);
  color: #0B0B0F;
}
/* 横卡 */
.horizontal-card {
  display: flex;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.horizontal-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
  border-color: rgba(245, 158, 11, 0.3);
}
.horizontal-card .hc-cover {
  width: 46%;
  min-height: 220px;
  position: relative;
  overflow: hidden;
  background: #1a1a26;
}
.horizontal-card .hc-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.horizontal-card:hover .hc-cover img {
  transform: scale(1.04);
}
.horizontal-card .hc-cover .badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  backdrop-filter: blur(4px);
  background: rgba(11, 11, 15, 0.7);
}
.horizontal-card .hc-body {
  flex: 1;
  padding: 24px 26px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.horizontal-card .hc-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.35;
}
.horizontal-card .hc-body p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.hc-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.hc-footer .tag {
  font-size: 13px;
  color: var(--accent);
  background: rgba(45, 212, 191, 0.1);
  padding: 3px 12px;
  border-radius: 100px;
  border: 1px solid rgba(45, 212, 191, 0.15);
}
.hc-footer a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand);
  transition: gap 0.3s, color 0.3s;
}
.hc-footer a:hover {
  gap: 10px;
  color: var(--brand-hover);
}
/* 分页器 */
.pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 44px;
}
.pagination a,
.pagination span {
  min-width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 10px;
  border-radius: var(--radius-md);
  background: var(--panel);
  border: 1px solid var(--line);
  color: #d1d5db;
  font-size: 14px;
  font-weight: 500;
  transition: background 0.3s, color 0.3s, border-color 0.3s, transform 0.15s;
}
.pagination a:hover {
  background: rgba(245, 158, 11, 0.12);
  border-color: rgba(245, 158, 11, 0.3);
  color: var(--brand);
  transform: translateY(-1px);
}
.pagination .active {
  background: var(--brand);
  color: #0B0B0F;
  border-color: var(--brand);
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.25);
}
.pagination .ellipsis {
  background: transparent;
  border: none;
  color: var(--muted);
}
/* CTA横幅 */
.cta-banner {
  margin: 60px 0 20px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, rgba(245, 158, 11, 0.05) 40%, rgba(11, 11, 15, 0.6) 100%);
  border: 1px solid rgba(245, 158, 11, 0.2);
  padding: 40px 44px;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.12);
  filter: blur(40px);
}
.cta-banner .cta-icon {
  font-size: 28px;
  color: var(--brand);
  margin-bottom: 12px;
}
.cta-banner h3 {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}
.cta-banner p {
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 20px;
}
/* FAQ */
.faq-section {
  padding: 56px 0 20px;
}
.faq-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.faq-item.open {
  border-color: rgba(245, 158, 11, 0.3);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
  padding: 18px 20px;
  cursor: pointer;
  text-align: left;
  transition: background 0.3s;
}
.faq-question:hover {
  background: rgba(255, 255, 255, 0.02);
}
.faq-question .q-icon {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: rgba(245, 158, 11, 0.12);
  color: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  flex-shrink: 0;
}
.faq-question .q-arrow {
  margin-left: auto;
  font-size: 12px;
  color: var(--muted);
  transition: transform 0.3s;
}
.faq-item.open .q-arrow {
  transform: rotate(180deg);
  color: var(--brand);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-answer p {
  padding: 0 20px 20px 60px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}
/* 页脚 */
footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  padding-top: 56px;
  padding-bottom: 40px;
  margin-top: 40px;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
}
.logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--brand);
  color: #0B0B0F;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.2);
}
footer h3 {
  font-size: 15px;
  font-weight: 700;
  color: #e5e7eb;
  margin-bottom: 14px;
}
footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
footer ul li {
  margin-bottom: 8px;
}
footer ul a {
  font-size: 14px;
  color: var(--muted);
  transition: color 0.3s, padding-left 0.3s;
}
footer ul a:hover {
  color: var(--brand);
  padding-left: 4px;
}
.copyright-line {
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  color: #6b7280;
}
/* 移动端底部Tab */
.mobile-tab {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(16, 16, 22, 0.95);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-around;
  padding: 6px 0;
  padding-bottom: calc(6px + env(safe-area-inset-bottom));
}
.mobile-tab a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  font-size: 11px;
  color: #6b7280;
  padding: 6px 10px;
  border-radius: 10px;
  transition: color 0.3s, transform 0.15s, background 0.3s;
}
.mobile-tab a i {
  font-size: 18px;
}
.mobile-tab a.active {
  color: var(--brand);
}
.mobile-tab a:hover {
  color: #d1d5db;
  transform: scale(1.04);
}
.mobile-tab a:active {
  transform: scale(0.95);
}
@media (min-width: 768px) {
  body {
    padding-bottom: 0;
  }
  .mobile-tab {
    display: none;
  }
}
/* 区块间距 */
.section-block {
  padding: 48px 0;
}
@media (min-width: 768px) {
  .section-block {
    padding: 56px 0;
  }
}
.grid-gap {
  gap: 24px;
}
/* 通用卡片hover */
.content-card:hover h3 {
  color: var(--brand-hover);
}
/* 补充focus样式 */
a:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}
/* 动画 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.fade-in-up {
  animation: fadeInUp 0.6s ease both;
}
/* 分页器响应式 */
@media (max-width: 520px) {
  .pagination a,
  .pagination span {
    min-width: 36px;
    height: 36px;
    font-size: 13px;
  }
  .filter-pill {
    padding: 6px 14px;
    font-size: 13px;
  }
  .horizontal-card {
    flex-direction: column;
  }
  .horizontal-card .hc-cover {
    width: 100%;
    min-height: 0;
    aspect-ratio: 16/9;
  }
  .horizontal-card .hc-body {
    padding: 18px 18px 20px;
  }
  .horizontal-card .hc-body h3 {
    font-size: 17px;
  }
  .cta-banner {
    padding: 28px 22px;
  }
}