/* roulang page: index */
/* ========== 设计变量 ========== */
:root {
  --color-primary: #0caa8c;
  --color-primary-dark: #087f6b;
  --color-secondary: #ff6a3d;
  --color-accent-yellow: #ffc94a;
  --color-bg-soft: #f6f8f7;
  --color-surface: #ffffff;
  --color-ink: #17252e;
  --color-ink-secondary: #5a6d66;
  --color-border: rgba(23, 37, 46, 0.08);
  --color-dark-bg: #122b27;
  --gradient-brand: linear-gradient(135deg, #0caa8c 0%, #37c9a4 48%, #6fd9bd 100%);
  --gradient-cta: linear-gradient(135deg, #ff6a3d 0%, #ff9a5c 100%);
  --text-hero: clamp(2.4rem, 4.2vw, 3.6rem);
  --text-h2: clamp(1.7rem, 2.4vw, 2.3rem);
  --text-h3: clamp(1.25rem, 1.4vw, 1.5rem);
  --text-body: 1.05rem;
  --text-small: 0.9rem;
  --text-meta: 0.8rem;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 999px;
  --shadow-card: 0 4px 20px rgba(23, 37, 46, 0.06);
  --shadow-hover: 0 12px 32px rgba(22, 60, 48, 0.13);
  --shadow-nav: 0 2px 12px rgba(23, 37, 46, 0.06);
  --space-section: clamp(64px, 8vw, 112px);
  --measure: 72ch;
}

/* ========== Reset / Base ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "PingFang SC", "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
  font-size: var(--text-body);
  line-height: 1.85;
  color: var(--color-ink);
  background: var(--color-surface);
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
  object-fit: cover;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}
ul, ol {
  list-style: none;
}
button, input {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: transparent;
}
button {
  cursor: pointer;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
:focus-visible {
  outline: 3px solid rgba(255, 106, 61, 0.5);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 32px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: var(--text-body);
  line-height: 1.2;
  transition: all 0.2s ease;
  gap: 8px;
}
.btn-primary {
  background: var(--gradient-cta);
  color: #ffffff;
  box-shadow: var(--shadow-card);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  filter: brightness(1.05);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-card);
}
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--color-primary);
  color: var(--color-primary);
}
.btn-outline:hover {
  background: rgba(12, 170, 140, 0.06);
  color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}
.btn-outline:active {
  background: rgba(12, 170, 140, 0.12);
}

/* ========== 导航 ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-nav);
  transition: box-shadow 0.3s ease;
}
.header-top {
  transition: padding 0.3s ease;
}
.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 24px;
  transition: padding 0.3s ease;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(12, 170, 140, 0.3);
  position: relative;
  overflow: hidden;
}
.logo-mark::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 8px;
  border-radius: 50%;
  border: 2px solid #fff;
  border-left-color: transparent;
  transform: rotate(-20deg);
  top: 12px;
  left: 8px;
}
.logo-text {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-ink);
  letter-spacing: -0.5px;
}
.logo-text span {
  color: var(--color-primary);
}
.header-search {
  flex: 1;
  max-width: 420px;
}
.header-search form {
  display: flex;
  align-items: center;
  background: var(--color-bg-soft);
  border-radius: var(--radius-pill);
  padding: 4px 6px 4px 18px;
  border: 1.5px solid transparent;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.header-search form:focus-within {
  border-color: var(--color-primary);
  background: #fff;
}
.header-search input {
  flex: 1;
  min-width: 0;
  height: 36px;
  font-size: var(--text-small);
  color: var(--color-ink);
  background: transparent;
}
.header-search input::placeholder {
  color: var(--color-ink-secondary);
}
.header-search button {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
}
.header-search button:hover {
  background: var(--color-primary-dark);
}
.header-search button svg {
  width: 16px;
  height: 16px;
}
.header-login-btn {
  min-height: 40px;
  padding: 0 20px;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--color-primary);
  color: var(--color-primary);
  font-weight: 600;
  font-size: var(--text-small);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  transition: all 0.2s ease;
  flex-shrink: 0;
}
.header-login-btn:hover {
  background: rgba(12, 170, 140, 0.08);
  color: var(--color-primary-dark);
}

.header-bottom {
  border-top: 1px solid var(--color-border);
  transition: border-color 0.3s ease;
}
.header-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 24px;
  min-height: 52px;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 18px;
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--color-ink);
  border-radius: var(--radius-pill);
  transition: all 0.2s ease;
  position: relative;
}
.nav-link:hover {
  color: var(--color-primary);
  background: rgba(12, 170, 140, 0.06);
}
.nav-link.active {
  color: var(--color-primary);
}
.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}
.hot-keywords {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.hot-label {
  font-size: var(--text-meta);
  color: var(--color-ink-secondary);
  font-weight: 600;
}
.hot-tag {
  font-size: var(--text-meta);
  color: var(--color-ink-secondary);
  background: var(--color-bg-soft);
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  transition: all 0.2s ease;
  border: 1px solid transparent;
}
.hot-tag:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: #fff;
}

.mobile-actions {
  display: none;
}

/* 滚动吸顶紧凑效果 */
.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(23, 37, 46, 0.1);
}
.site-header.scrolled .header-top-inner {
  padding: 8px 24px;
}
.site-header.scrolled .logo-mark {
  width: 32px;
  height: 32px;
  font-size: 16px;
}
.site-header.scrolled .logo-text {
  font-size: 1.15rem;
}

/* 移动端抽屉 */
.mobile-drawer {
  display: none;
}

/* ========== 通用板块间距 ========== */
.section {
  padding: var(--space-section) 0;
}
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-head h2 {
  font-size: var(--text-h2);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 12px;
}
.section-head p {
  color: var(--color-ink-secondary);
  font-size: var(--text-small);
}

/* ========== Hero ========== */
.hero {
  position: relative;
  padding: var(--space-section) 0;
  background:
    radial-gradient(ellipse at 0% 0%, rgba(12, 170, 140, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 100% 100%, rgba(255, 106, 61, 0.05) 0%, transparent 50%),
    var(--color-surface);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.04;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}
.hero-content {
  padding: 20px 0;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  background: var(--gradient-cta);
  color: #fff;
  font-size: var(--text-meta);
  font-weight: 700;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 14px rgba(255, 106, 61, 0.3);
  margin-bottom: 28px;
}
.hero-badge::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent-yellow);
  box-shadow: 0 0 0 3px rgba(255, 201, 74, 0.3);
}
.hero h1 {
  font-size: var(--text-hero);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 18px;
  letter-spacing: -1px;
}
.hero h1 em {
  font-style: normal;
  color: var(--color-primary);
}
.hero-subtitle {
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  color: var(--color-ink-secondary);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 480px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-visual {
  position: relative;
  min-height: 400px;
}
.hero-main-img {
  width: 100%;
  height: 100%;
  min-height: 400px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  box-shadow: var(--shadow-hover);
}
.hero-main-img::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(0deg, rgba(18, 43, 39, 0.2) 0%, transparent 60%);
}
.hero-badge-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  border-radius: 20px;
  box-shadow: var(--shadow-hover);
  padding: 14px 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 120px;
  text-align: center;
  border: 1px solid rgba(12, 170, 140, 0.1);
}
.hero-badge-1 {
  top: 24px;
  left: -28px;
}
.hero-badge-2 {
  bottom: 90px;
  right: -20px;
  background: rgba(18, 43, 39, 0.9);
  border-color: rgba(255, 255, 255, 0.1);
}
.hero-badge-3 {
  bottom: -20px;
  left: 40px;
}
.badge-number {
  font-family: "DIN Alternate", "Bebas Neue", sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-ink);
}
.hero-badge-2 .badge-number {
  color: var(--color-accent-yellow);
}
.badge-unit {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-left: 2px;
}
.hero-badge-2 .badge-unit {
  color: #fff;
}
.badge-label {
  font-size: var(--text-meta);
  color: var(--color-ink-secondary);
  margin-top: 4px;
  font-weight: 500;
}
.hero-badge-2 .badge-label {
  color: rgba(255, 255, 255, 0.7);
}

/* ========== 步骤流程区 ========== */
.steps-section {
  background: var(--color-bg-soft);
  padding: var(--space-section) 0;
  overflow: hidden;
}
.steps-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  max-width: 960px;
  margin: 0 auto;
}
.steps-track::before {
  content: "";
  position: absolute;
  top: 28px;
  left: 12%;
  right: 12%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary) 100%);
  border-radius: 2px;
  opacity: 0.2;
}
.step-card {
  text-align: center;
  padding: 0 16px;
  position: relative;
}
.step-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 800;
  position: relative;
  z-index: 1;
  box-shadow: 0 6px 18px rgba(12, 170, 140, 0.3);
}
.step-card h3 {
  font-size: var(--text-h3);
  font-weight: 700;
  margin-bottom: 8px;
}
.step-card p {
  font-size: var(--text-small);
  color: var(--color-ink-secondary);
  line-height: 1.6;
}

/* ========== 品牌故事区 ========== */
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  aspect-ratio: 4 / 3;
  position: relative;
}
.about-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.about-img::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  box-shadow: inset 0 -40px 60px rgba(18, 43, 39, 0.1);
}
.about-text {
  padding: 20px 0;
}
.about-text h2 {
  font-size: var(--text-h2);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 20px;
}
.about-text p {
  color: var(--color-ink-secondary);
  max-width: 65ch;
  margin-bottom: 16px;
}
.about-text p strong {
  color: var(--color-ink);
  font-weight: 600;
}
.about-features {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}
.about-tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: var(--color-bg-soft);
  color: var(--color-ink-secondary);
  font-size: var(--text-small);
  border: 1px solid var(--color-border);
  transition: all 0.2s ease;
}
.about-tag:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ========== 精选内容区 ========== */
.featured-section {
  background: var(--color-bg-soft);
  padding: var(--space-section) 0;
}
.featured-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.featured-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}
.featured-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.featured-card:first-child {
  grid-column: span 2;
  grid-row: span 2;
}
.featured-card-image {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.featured-card:first-child .featured-card-image {
  aspect-ratio: 16 / 10;
}
.featured-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.featured-card:hover .featured-card-image img {
  transform: scale(1.04);
}
.featured-card-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(23, 37, 46, 0.05) 0%, transparent 60%);
}
.card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 4px 14px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-primary-dark);
  border-radius: var(--radius-pill);
  font-size: var(--text-meta);
  font-weight: 600;
  backdrop-filter: blur(6px);
  box-shadow: 0 2px 8px rgba(23, 37, 46, 0.06);
}
.featured-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.featured-card-body h3 {
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.2s ease;
}
.featured-card:hover .featured-card-body h3 {
  color: var(--color-primary);
}
.featured-card-body p {
  font-size: var(--text-small);
  color: var(--color-ink-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
  flex: 1;
}
.card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--text-meta);
  color: var(--color-ink-secondary);
}
.card-meta .dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-secondary);
}
.card-meta time {
  display: flex;
  align-items: center;
  gap: 4px;
}
.card-meta a {
  color: var(--color-primary);
  font-weight: 600;
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s ease;
}
.card-meta a:hover {
  gap: 8px;
  color: var(--color-primary-dark);
}

/* ========== CMS 最新信息区 ========== */
.latest-section {
  padding: var(--space-section) 0;
}
.latest-list {
  max-width: 960px;
  margin: 0 auto;
  border-top: 1px solid var(--color-border);
}
.cms-item {
  display: grid;
  grid-template-columns: 4fr 4fr 2fr;
  gap: 24px;
  align-items: center;
  padding: 22px 12px;
  border-bottom: 1px solid var(--color-border);
  transition: background 0.2s ease;
  border-radius: var(--radius-sm);
}
.cms-item:hover {
  background: rgba(12, 170, 140, 0.04);
}
.cms-item-title {
  font-weight: 600;
  font-size: var(--text-body);
}
.cms-item-title a {
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.2s ease;
}
.cms-item-title a:hover {
  color: var(--color-primary);
}
.cms-item-excerpt {
  font-size: var(--text-small);
  color: var(--color-ink-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.cms-item-excerpt a {
  color: inherit;
  transition: color 0.2s ease;
}
.cms-item-excerpt a:hover {
  color: var(--color-primary);
}
.cms-item-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: flex-end;
  font-size: var(--text-meta);
  color: var(--color-ink-secondary);
}
.cms-item-cat {
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  background: var(--color-bg-soft);
  color: var(--color-primary-dark);
  font-weight: 600;
  border: 1px solid rgba(12, 170, 140, 0.12);
}
.cms-item-time {
  white-space: nowrap;
}
.cms-empty {
  padding: 60px 20px;
  display: flex;
  justify-content: center;
}
.empty-state {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: 48px 64px;
  text-align: center;
  color: var(--color-ink-secondary);
  font-size: var(--text-small);
  background: var(--color-bg-soft);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.empty-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(12, 170, 140, 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}
.empty-state p {
  margin: 0;
}

/* ========== 信任背书区 ========== */
.trust-section {
  background: var(--color-dark-bg);
  padding: var(--space-section) 0;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.trust-section::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(12, 170, 140, 0.15);
  filter: blur(60px);
}
.trust-section::after {
  content: "";
  position: absolute;
  bottom: -100px;
  left: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(255, 106, 61, 0.1);
  filter: blur(50px);
}
.trust-inner {
  position: relative;
  z-index: 1;
}
.trust-head {
  text-align: center;
  margin-bottom: 56px;
}
.trust-head h2 {
  font-size: var(--text-h2);
  font-weight: 800;
  margin-bottom: 12px;
  color: #fff;
}
.trust-head p {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--text-small);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 960px;
  margin: 0 auto;
}
.trust-item {
  text-align: center;
  padding: 40px 24px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: transform 0.3s ease, background 0.3s ease;
}
.trust-item:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.08);
}
.trust-number {
  font-family: "DIN Alternate", "Bebas Neue", sans-serif;
  font-size: clamp(2.8rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}
.trust-item:nth-child(2) .trust-number {
  background: linear-gradient(135deg, #ff9a5c 0%, #ff6a3d 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.trust-item:nth-child(3) .trust-number {
  background: linear-gradient(135deg, #ffc94a 0%, #ffb800 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.trust-label {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--text-small);
}

/* ========== 订阅 CTA 区 ========== */
.cta-section {
  padding: var(--space-section) 0;
  background:
    linear-gradient(135deg, rgba(12, 170, 140, 0.04) 0%, rgba(216, 246, 240, 0.6) 100%),
    var(--color-bg-soft);
}
.cta-card {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  box-shadow: var(--shadow-hover);
  border: 1px solid rgba(12, 170, 140, 0.08);
  position: relative;
  overflow: hidden;
}
.cta-card::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: rgba(255, 106, 61, 0.06);
}
.cta-card h2 {
  font-size: var(--text-h2);
  font-weight: 800;
  margin-bottom: 10px;
  position: relative;
}
.cta-card > p {
  color: var(--color-ink-secondary);
  font-size: var(--text-small);
  margin-bottom: 32px;
  position: relative;
}
.subscribe-form {
  display: flex;
  gap: 12px;
  max-width: 520px;
  margin: 0 auto;
  position: relative;
  flex-wrap: wrap;
}
.subscribe-form input {
  flex: 1;
  min-width: 220px;
  height: 48px;
  padding: 0 24px;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--color-border);
  font-size: var(--text-small);
  color: var(--color-ink);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  background: #fff;
}
.subscribe-form input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(12, 170, 140, 0.08);
}
.subscribe-form input.input-error {
  border-color: #e5484d;
}
.subscribe-form .error-tip {
  flex-basis: 100%;
  text-align: center;
  color: #e5484d;
  font-size: var(--text-meta);
  margin-top: 8px;
  display: none;
}
.subscribe-form .error-tip.show {
  display: block;
}
.subscribe-form .success-tip {
  flex-basis: 100%;
  text-align: center;
  color: var(--color-primary);
  font-size: var(--text-meta);
  display: none;
}
.subscribe-form .success-tip.show {
  display: block;
}
.cta-sub-note {
  margin-top: 16px;
  font-size: var(--text-meta);
  color: var(--color-ink-secondary);
  position: relative;
}

/* ========== FAQ 区 ========== */
.faq-section {
  padding: var(--space-section) 0;
}
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}
.faq-item:hover {
  border-color: rgba(12, 170, 140, 0.2);
  box-shadow: var(--shadow-card);
}
.faq-item.open {
  border-color: rgba(12, 170, 140, 0.3);
  box-shadow: var(--shadow-card);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  min-height: 64px;
  text-align: left;
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-ink);
  cursor: pointer;
  transition: color 0.2s ease;
}
.faq-question:hover {
  color: var(--color-primary);
}
.faq-icon {
  position: relative;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}
.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform 0.3s ease;
}
.faq-icon::before {
  width: 14px;
  height: 2px;
  top: 11px;
  left: 5px;
}
.faq-icon::after {
  width: 2px;
  height: 14px;
  top: 5px;
  left: 11px;
}
.faq-item.open .faq-icon::after {
  transform: scaleY(0);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-answer-inner {
  padding: 0 24px 22px;
  color: var(--color-ink-secondary);
  font-size: var(--text-small);
  line-height: 1.7;
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--color-dark-bg);
  color: rgba(255, 255, 255, 0.7);
  padding-top: 64px;
  font-size: var(--text-small);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand .logo-text {
  color: #fff;
}
.footer-brand .logo-text span {
  color: var(--color-primary);
}
.footer-brand p {
  margin-top: 16px;
  max-width: 36ch;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
}
.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}
.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.8);
  font-size: 1rem;
  transition: all 0.2s ease;
}
.footer-social a:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}
.footer-links h4,
.footer-help h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
}
.footer-links a,
.footer-help a {
  display: block;
  padding: 6px 0;
  color: rgba(255, 255, 255, 0.6);
  transition: color 0.2s ease, padding-left 0.2s ease;
}
.footer-links a:hover,
.footer-help a:hover {
  color: #fff;
  padding-left: 6px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
  text-align: center;
  font-size: var(--text-meta);
  color: rgba(255, 255, 255, 0.5);
}

/* ========== 响应式 ========== */
@media (min-width: 768px) {
  .site-header {
    /* 双行导航升级 */
  }
}
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero-visual {
    min-height: 340px;
  }
  .hero-main-img {
    min-height: 340px;
  }
  .hero-badge-1 { left: 12px; }
  .hero-badge-2 { right: 12px; }
  .featured-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .featured-card:first-child {
    grid-column: span 2;
  }
  .about-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .steps-track {
    gap: 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 820px) {
  .header-top-inner {
    padding: 12px 16px;
  }
  .header-search,
  .header-login-btn,
  .header-bottom {
    display: none;
  }
  .mobile-actions {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .hamburger {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    background: var(--color-bg-soft);
    transition: background 0.2s ease;
  }
  .hamburger:hover {
    background: rgba(12, 170, 140, 0.1);
  }
  .hamburger span {
    width: 22px;
    height: 2px;
    background: var(--color-ink);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }
  .hamburger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }
  .hamburger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
  .mobile-drawer {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: #fff;
    z-index: 999;
    padding: 24px 20px;
    overflow-y: auto;
    box-shadow: var(--shadow-hover);
  }
  .mobile-drawer.open {
    display: block;
  }
  .mobile-drawer .drawer-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
  }
  .mobile-drawer .drawer-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 48px;
    padding: 0 16px;
    border-radius: var(--radius-md);
    font-size: var(--text-body);
    font-weight: 600;
    color: var(--color-ink);
    transition: all 0.2s ease;
  }
  .mobile-drawer .drawer-link:hover {
    background: var(--color-bg-soft);
    color: var(--color-primary);
  }
  .mobile-drawer .drawer-link.active {
    color: var(--color-primary);
    background: rgba(12, 170, 140, 0.08);
  }
  .mobile-drawer .drawer-search {
    margin-top: 20px;
    display: flex;
    gap: 8px;
    background: var(--color-bg-soft);
    border-radius: var(--radius-pill);
    padding: 4px 6px 4px 18px;
    border: 1.5px solid var(--color-border);
  }
  .mobile-drawer .drawer-search input {
    flex: 1;
    height: 40px;
    font-size: var(--text-small);
    min-width: 0;
  }
  .mobile-drawer .drawer-search button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .mobile-drawer .drawer-hot {
    margin-top: 24px;
  }
  .mobile-drawer .drawer-hot-label {
    font-size: var(--text-meta);
    color: var(--color-ink-secondary);
    margin-bottom: 12px;
    font-weight: 600;
  }
  .mobile-drawer .drawer-hot-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }
  .mobile-drawer .drawer-hot-tags a {
    padding: 6px 16px;
    background: var(--color-bg-soft);
    border-radius: var(--radius-pill);
    font-size: var(--text-small);
    color: var(--color-ink-secondary);
    transition: all 0.2s ease;
  }
  .mobile-drawer .drawer-hot-tags a:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
  }
  .site-header.scrolled .header-top-inner {
    padding: 8px 16px;
  }
}
@media (max-width: 768px) {
  .steps-track {
    grid-template-columns: 1fr 1fr;
    gap: 32px 16px;
  }
  .steps-track::before {
    display: none;
  }
  .step-card {
    padding: 0 8px;
  }
  .featured-grid {
    grid-template-columns: 1fr;
  }
  .featured-card:first-child {
    grid-column: span 1;
  }
  .cms-item {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 18px 12px;
  }
  .cms-item-meta {
    justify-content: flex-start;
  }
  .trust-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .trust-item {
    padding: 32px 20px;
  }
  .cta-card {
    padding: 40px 20px;
  }
  .subscribe-form {
    flex-direction: column;
  }
  .subscribe-form .btn {
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 32px;
  }
  .hero-visual {
    min-height: 280px;
  }
  .hero-main-img {
    min-height: 280px;
  }
  .hero-badge-1 { top: 12px; left: 8px; }
  .hero-badge-2 { bottom: 60px; right: 8px; }
  .hero-badge-3 { bottom: -14px; left: 16px; }
  .hero-badge-card {
    min-width: 100px;
    padding: 10px 16px;
  }
  .hero-badge-card .badge-number {
    font-size: 1.6rem;
  }
}
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .steps-track {
    grid-template-columns: 1fr 1fr;
  }
  .about-inner {
    gap: 28px;
  }
  .section-head {
    margin-bottom: 36px;
  }
}

/* ========== 动画 ========== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.hero-content {
  animation: fadeInUp 0.6s ease both;
}
.hero-visual {
  animation: fadeInUp 0.8s ease 0.15s both;
}

/* roulang page: category1 */
:root {
    --color-primary: #0caa8c;
    --color-primary-dark: #087f6b;
    --color-secondary: #ff6a3d;
    --color-accent-yellow: #ffc94a;
    --color-bg-soft: #f6f8f7;
    --color-surface: #ffffff;
    --color-ink: #17252e;
    --color-ink-secondary: #5a6d66;
    --color-border: rgba(23, 37, 46, 0.08);
    --color-dark-bg: #122b27;
    --gradient-brand: linear-gradient(135deg, #0caa8c 0%, #37c9a4 48%, #6fd9bd 100%);
    --gradient-cta: linear-gradient(135deg, #ff6a3d 0%, #ff9a5c 100%);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-pill: 999px;
    --shadow-card: 0 4px 20px rgba(23, 37, 46, 0.06);
    --shadow-hover: 0 12px 32px rgba(22, 60, 48, 0.13);
    --shadow-nav: 0 2px 12px rgba(23, 37, 46, 0.06);
    --space-section: clamp(64px, 8vw, 112px);
    --text-hero: clamp(2.2rem, 4vw, 3.4rem);
    --text-h2: clamp(1.7rem, 2.4vw, 2.3rem);
    --text-h3: clamp(1.25rem, 1.4vw, 1.5rem);
    --text-body: 1.05rem;
    --text-small: 0.9rem;
    --text-meta: 0.8rem;
    --container: 1200px;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: "PingFang SC", "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
    font-size: var(--text-body);
    line-height: 1.85;
    color: var(--color-ink);
    background: var(--color-surface);
    -webkit-font-smoothing: antialiased;
  }

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

  a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
  }

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

  button,
  input {
    font-family: inherit;
    font-size: inherit;
    min-height: 48px;
  }

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

  .section {
    padding: var(--space-section) 0;
  }

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

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

  .section-head {
    margin-bottom: 48px;
    max-width: 720px;
  }

  .section-head .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(12, 170, 140, 0.1);
    color: var(--color-primary-dark);
    font-size: var(--text-small);
    font-weight: 600;
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    margin-bottom: 16px;
  }

  .section-head h2 {
    font-size: var(--text-h2);
    line-height: 1.3;
    font-weight: 800;
    color: var(--color-ink);
    margin-bottom: 12px;
  }

  .section-head p {
    color: var(--color-ink-secondary);
    line-height: 1.7;
  }

  .section-head.light h2,
  .section-head.light p {
    color: #ffffff;
  }

  .section-head.light p {
    opacity: 0.78;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    padding: 0 32px;
    border-radius: var(--radius-pill);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
  }

  .btn-primary {
    background: var(--gradient-cta);
    color: #ffffff;
    box-shadow: var(--shadow-card);
  }

  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    color: #ffffff;
  }

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

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

  .btn-outline:hover {
    background: rgba(12, 170, 140, 0.05);
    color: var(--color-primary-dark);
  }

  .btn-white {
    background: #ffffff;
    color: var(--color-primary-dark);
    box-shadow: var(--shadow-card);
  }

  .btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    color: var(--color-primary-dark);
  }

  .badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 14px;
    border-radius: var(--radius-pill);
    font-size: var(--text-meta);
    font-weight: 600;
    background: rgba(12, 170, 140, 0.1);
    color: var(--color-primary-dark);
  }

  .badge-warn {
    background: rgba(255, 106, 61, 0.1);
    color: #d54c22;
  }

  .badge-yellow {
    background: rgba(255, 201, 74, 0.18);
    color: #a47400;
  }

  .site-header {
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-nav);
    position: sticky;
    top: 0;
    z-index: 100;
  }

  .header-inner {
    display: flex;
    flex-direction: column;
  }

  .header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0 10px;
    gap: 20px;
  }

  .logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }

  .logo-mark {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--gradient-brand);
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 800;
    box-shadow: 0 4px 12px rgba(12, 170, 140, 0.25);
  }

  .logo-text {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-ink);
    letter-spacing: -0.02em;
  }

  .logo-text span {
    color: var(--color-primary);
  }

  .header-tools {
    display: flex;
    align-items: center;
    gap: 16px;
  }

  .search-box {
    position: relative;
  }

  .search-box input {
    height: 42px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-pill);
    padding: 0 16px 0 42px;
    background: var(--color-bg-soft);
    font-size: var(--text-small);
    width: 220px;
    outline: none;
    transition: border-color 0.2s ease, background 0.2s ease;
  }

  .search-box input:focus {
    border-color: var(--color-primary);
    background: #ffffff;
  }

  .search-box .search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    color: var(--color-ink-secondary);
    pointer-events: none;
  }

  .user-actions {
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .user-actions .btn-mini {
    min-height: 36px;
    padding: 0 18px;
    font-size: var(--text-small);
    border-radius: var(--radius-pill);
  }

  .user-link {
    color: var(--color-ink-secondary);
    font-size: var(--text-small);
    font-weight: 500;
    padding: 8px 4px;
  }

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

  .main-nav {
    display: flex;
    align-items: center;
    gap: 32px;
    padding: 6px 0 14px;
  }

  .nav-link {
    font-size: var(--text-body);
    font-weight: 500;
    color: var(--color-ink);
    padding: 6px 0;
    position: relative;
    transition: color 0.2s ease;
  }

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

  .nav-link.active {
    color: var(--color-primary);
    font-weight: 600;
  }

  .nav-link.active::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    border-radius: 3px;
    background: var(--color-primary);
  }

  .nav-trend {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: var(--text-small);
  }

  .nav-trend .trend-tag {
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    background: var(--color-bg-soft);
    color: var(--color-ink-secondary);
    font-weight: 500;
  }

  .nav-trend .trend-tag:hover {
    background: rgba(12, 170, 140, 0.1);
    color: var(--color-primary-dark);
  }

  .mobile-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
  }

  .mobile-toggle span {
    width: 22px;
    height: 2px;
    background: var(--color-ink);
    border-radius: 2px;
    transition: all 0.3s ease;
  }

  .page-hero {
    position: relative;
    background: linear-gradient(120deg, rgba(18, 43, 39, 0.92) 0%, rgba(12, 170, 140, 0.82) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    padding: clamp(72px, 10vw, 120px) 0;
    color: #ffffff;
  }

  .page-hero .hero-inner {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: center;
  }

  .hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gradient-cta);
    padding: 6px 18px;
    border-radius: var(--radius-pill);
    font-size: var(--text-small);
    font-weight: 600;
    margin-bottom: 20px;
    box-shadow: 0 4px 16px rgba(255, 106, 61, 0.3);
  }

  .page-hero h1 {
    font-size: var(--text-hero);
    line-height: 1.2;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
  }

  .hero-sub {
    font-size: 1.15rem;
    line-height: 1.7;
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 560px;
  }

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

  .hero-visual {
    display: grid;
    gap: 16px;
  }

  .hero-badge-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .hero-badge-card {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--radius-lg);
    padding: 24px 20px;
    text-align: center;
  }

  .hero-badge-card .num {
    font-size: clamp(2.2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--color-accent-yellow);
    font-family: "DIN Alternate", "Bebas Neue", sans-serif;
    line-height: 1;
  }

  .hero-badge-card .label {
    font-size: var(--text-small);
    color: rgba(255, 255, 255, 0.85);
    margin-top: 8px;
  }

  .hero-badge-card.wide {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
  }

  /* 数据保障区 */
  .trust-section {
    background: var(--color-dark-bg);
    color: #ffffff;
    padding: 60px 0;
  }

  .trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
  }

  .trust-item .num {
    font-size: clamp(2.8rem, 5vw, 4rem);
    font-weight: 800;
    color: var(--color-accent-yellow);
    font-family: "DIN Alternate", "Bebas Neue", sans-serif;
    line-height: 1.1;
  }

  .trust-item .desc {
    font-size: var(--text-small);
    color: rgba(255, 255, 255, 0.75);
    margin-top: 6px;
  }

  .trust-item .badge-line {
    width: 32px;
    height: 4px;
    border-radius: 4px;
    background: var(--gradient-cta);
    margin: 12px auto 0;
  }

  /* 安全保障模块 */
  .security-section .security-wrap {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 48px;
    align-items: center;
  }

  .security-media {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    position: relative;
  }

  .security-media img {
    width: 100%;
    height: 380px;
    object-fit: cover;
  }

  .security-media .play-tag {
    position: absolute;
    bottom: 16px;
    left: 16px;
    background: rgba(255, 255, 255, 0.92);
    border-radius: var(--radius-md);
    padding: 12px 18px;
    font-size: var(--text-small);
    font-weight: 600;
    color: var(--color-ink);
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-card);
  }

  .security-points {
    display: grid;
    gap: 20px;
  }

  .security-item {
    display: flex;
    gap: 16px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
  }

  .security-item:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
  }

  .security-item .icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    border-radius: var(--radius-md);
    background: rgba(12, 170, 140, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
  }

  .security-item h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-ink);
    margin-bottom: 4px;
  }

  .security-item p {
    font-size: var(--text-small);
    color: var(--color-ink-secondary);
    line-height: 1.65;
  }

  /* 适用场景 */
  .scenarios-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .scenario-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    display: flex;
    gap: 20px;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
  }

  .scenario-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
  }

  .scenario-card .sc-num {
    font-size: var(--text-hero);
    font-weight: 800;
    color: rgba(12, 170, 140, 0.25);
    font-family: "DIN Alternate", "Bebas Neue", sans-serif;
    line-height: 1;
    min-width: 44px;
  }

  .scenario-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
  }

  .scenario-card p {
    font-size: var(--text-small);
    color: var(--color-ink-secondary);
    line-height: 1.7;
  }

  /* 流程步骤 */
  .process-section {
    background: var(--color-bg-soft);
  }

  .process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
  }

  .process-steps::before {
    content: "";
    position: absolute;
    top: 28px;
    left: 8%;
    right: 8%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary) 40%, var(--color-border) 40%, var(--color-border) 100%);
    border-radius: 3px;
    z-index: 0;
  }

  .step-item {
    position: relative;
    z-index: 1;
    text-align: center;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 28px 20px 24px;
    box-shadow: var(--shadow-card);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
  }

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

  .step-dot {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    border-radius: 50%;
    background: var(--gradient-brand);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.2rem;
    box-shadow: 0 6px 16px rgba(12, 170, 140, 0.3);
  }

  .step-item h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 6px;
  }

  .step-item p {
    font-size: var(--text-small);
    color: var(--color-ink-secondary);
    line-height: 1.6;
  }

  /* 指南内容卡片 */
  .guide-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .guide-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
  }

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

  .guide-card .card-media {
    aspect-ratio: 4 / 3;
    overflow: hidden;
  }

  .guide-card .card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
  }

  .guide-card:hover .card-media img {
    transform: scale(1.03);
  }

  .guide-card .card-body {
    padding: 24px;
  }

  .guide-card .card-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: var(--text-meta);
    color: var(--color-ink-secondary);
    margin-bottom: 10px;
  }

  .guide-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-ink);
    margin-bottom: 8px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .guide-card .card-summary {
    font-size: var(--text-small);
    color: var(--color-ink-secondary);
    line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .guide-card .card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: var(--text-small);
    font-weight: 600;
    color: var(--color-primary);
    margin-top: 16px;
  }

  .guide-card .card-link:hover {
    color: var(--color-primary-dark);
  }

  /* FAQ */
  .faq-wrap {
    max-width: 820px;
    margin: 0 auto;
  }

  .faq-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    overflow: hidden;
    transition: box-shadow 0.2s ease;
  }

  .faq-item:hover {
    box-shadow: var(--shadow-card);
  }

  .faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    cursor: pointer;
    font-weight: 600;
    color: var(--color-ink);
    font-size: var(--text-body);
    list-style: none;
    user-select: none;
  }

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

  .faq-item summary .plus-icon {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    border-radius: 50%;
    background: var(--color-bg-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 400;
    color: var(--color-primary);
    transition: transform 0.25s ease, background 0.25s ease;
  }

  .faq-item[open] summary .plus-icon {
    transform: rotate(45deg);
    background: rgba(12, 170, 140, 0.12);
  }

  .faq-item .faq-answer {
    padding: 0 24px 20px;
    color: var(--color-ink-secondary);
    font-size: var(--text-small);
    line-height: 1.7;
  }

  /* CTA */
  .cta-box {
    background: var(--gradient-brand);
    border-radius: var(--radius-lg);
    padding: 56px 48px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    color: #ffffff;
    position: relative;
    overflow: hidden;
  }

  .cta-box::before {
    content: "";
    position: absolute;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    top: -100px;
    right: -60px;
  }

  .cta-box::after {
    content: "";
    position: absolute;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    bottom: -60px;
    left: -40px;
  }

  .cta-box h2 {
    font-size: var(--text-h2);
    font-weight: 800;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
  }

  .cta-box p {
    font-size: var(--text-body);
    opacity: 0.9;
    margin-bottom: 28px;
    position: relative;
    z-index: 1;
    max-width: 520px;
  }

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

  /* 页脚 */
  .site-footer {
    background: var(--color-dark-bg);
    color: rgba(255, 255, 255, 0.8);
    padding: 64px 0 0;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr 0.8fr;
    gap: 48px;
    padding-bottom: 48px;
  }

  .footer-brand .logo {
    margin-bottom: 16px;
  }

  .footer-brand .logo-mark {
    background: var(--gradient-brand);
  }

  .footer-brand .logo-text {
    color: #ffffff;
  }

  .footer-brand .logo-text span {
    color: var(--color-accent-yellow);
  }

  .footer-brand p {
    font-size: var(--text-small);
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.6);
    max-width: 360px;
    margin-bottom: 20px;
  }

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

  .footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-small);
    transition: all 0.2s ease;
  }

  .footer-social a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.5);
  }

  .footer-links h4,
  .footer-help h4 {
    color: #ffffff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
  }

  .footer-links a,
  .footer-help a {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--text-small);
    padding: 6px 0;
    transition: color 0.2s ease, padding-left 0.2s ease;
  }

  .footer-links a:hover,
  .footer-help a:hover {
    color: #ffffff;
    padding-left: 4px;
  }

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 24px;
    text-align: center;
    font-size: var(--text-meta);
    color: rgba(255, 255, 255, 0.4);
  }

  .footer-bottom .container {
    max-width: var(--container);
  }

  :focus-visible {
    outline: 3px solid rgba(255, 106, 61, 0.5);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
  }

  @media (max-width: 1024px) {
    .page-hero .hero-inner {
      grid-template-columns: 1fr;
    }

    .hero-visual {
      max-width: 560px;
    }

    .security-section .security-wrap {
      grid-template-columns: 1fr;
    }

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

    .process-steps::before {
      display: none;
    }

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

  @media (max-width: 820px) {
    .header-tools .search-box {
      display: none;
    }

    .main-nav {
      display: none;
    }

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

    .header-inner {
      flex-direction: row;
      align-items: center;
      justify-content: space-between;
      padding: 12px 0;
    }

    .header-top {
      padding: 0;
      flex: 1;
    }

    .main-nav.open {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 8px;
      position: fixed;
      top: 0;
      right: 0;
      bottom: 0;
      width: 82%;
      max-width: 360px;
      background: #ffffff;
      padding: 80px 32px 32px;
      box-shadow: var(--shadow-hover);
      z-index: 200;
      overflow-y: auto;
    }

    .main-nav.open .nav-link {
      width: 100%;
      padding: 14px 0;
      font-size: 1.15rem;
      border-bottom: 1px solid var(--color-border);
    }

    .main-nav.open .nav-trend {
      margin-left: 0;
      margin-top: 24px;
      flex-wrap: wrap;
    }

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

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

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

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

    .cta-box {
      padding: 40px 24px;
    }

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

  @media (max-width: 520px) {
    .container {
      padding: 0 16px;
    }

    .hero-actions {
      flex-direction: column;
    }

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

    .hero-badge-group {
      grid-template-columns: 1fr;
    }

    .process-steps {
      grid-template-columns: 1fr;
    }

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

    .scenario-card {
      flex-direction: column;
      padding: 20px;
    }

    .security-item {
      flex-direction: column;
      padding: 16px;
    }

    .section-head {
      margin-bottom: 32px;
    }

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

    .user-actions .btn-mini {
      display: none;
    }
  }

/* roulang page: article */
:root {
  --color-primary: #0caa8c;
  --color-primary-dark: #087f6b;
  --color-secondary: #ff6a3d;
  --color-accent-yellow: #ffc94a;
  --color-bg-soft: #f6f8f7;
  --color-surface: #ffffff;
  --color-ink: #17252e;
  --color-ink-secondary: #5a6d66;
  --color-border: rgba(23, 37, 46, 0.08);
  --color-dark-bg: #122b27;
  --gradient-brand: linear-gradient(135deg, #0caa8c 0%, #37c9a4 48%, #6fd9bd 100%);
  --gradient-cta: linear-gradient(135deg, #ff6a3d 0%, #ff9a5c 100%);
  --text-hero: clamp(2.4rem, 4.2vw, 3.6rem);
  --text-h2: clamp(1.7rem, 2.4vw, 2.3rem);
  --text-h3: clamp(1.25rem, 1.4vw, 1.5rem);
  --text-body: 1.05rem;
  --text-small: 0.9rem;
  --text-meta: 0.8rem;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 999px;
  --shadow-card: 0 4px 20px rgba(23, 37, 46, 0.06);
  --shadow-hover: 0 12px 32px rgba(22, 60, 48, 0.13);
  --shadow-nav: 0 2px 12px rgba(23, 37, 46, 0.06);
  --space-section: clamp(64px, 8vw, 112px);
  --measure: 72ch;
}

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

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

body {
  font-family: "PingFang SC", "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
  font-size: var(--text-body);
  line-height: 1.85;
  color: var(--color-ink);
  background: var(--color-surface);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

ul, ol {
  list-style: none;
}

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

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

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 32px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: var(--text-body);
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1.5px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-cta);
  color: #fff;
  box-shadow: var(--shadow-card);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(255, 106, 61, 0.28);
}

.btn-primary:active {
  transform: translateY(1px);
  box-shadow: none;
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: rgba(12, 170, 140, 0.06);
  border-color: var(--color-primary-dark);
  color: var(--color-primary-dark);
}

.btn-outline:active {
  transform: translateY(1px);
}

a:focus-visible, button:focus-visible {
  outline: 3px solid rgba(255, 106, 61, 0.5);
  outline-offset: 2px;
}

.site-header {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-nav);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  flex-wrap: wrap;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: var(--gradient-brand);
  color: #fff;
  border-radius: 50%;
  font-size: 1.4rem;
  font-weight: 800;
  box-shadow: 0 4px 14px rgba(12, 170, 140, 0.32);
}

.logo-text {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-ink);
  letter-spacing: 0.5px;
}

.logo-text span {
  color: var(--color-secondary);
}

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

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 18px;
  border-radius: var(--radius-pill);
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--color-ink-secondary);
  transition: all 0.2s ease;
}

.nav-link:hover {
  color: var(--color-primary);
  background: rgba(12, 170, 140, 0.06);
}

.nav-link.active {
  color: var(--color-primary);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-secondary);
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.header-search {
  position: relative;
  display: flex;
  align-items: center;
}

.header-search input {
  width: 190px;
  height: 40px;
  padding: 0 42px 0 18px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-bg-soft);
  font-size: 0.88rem;
  color: var(--color-ink);
  transition: all 0.2s ease;
}

.header-search input::placeholder {
  color: #98a7a0;
}

.header-search input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(12, 170, 140, 0.1);
}

.header-search-icon {
  position: absolute;
  right: 14px;
  width: 16px;
  height: 16px;
  border: 2px solid #98a7a0;
  border-radius: 50%;
  pointer-events: none;
}

.header-search-icon::after {
  content: "";
  position: absolute;
  bottom: -4px;
  right: -4px;
  width: 2px;
  height: 6px;
  border-radius: 2px;
  background: #98a7a0;
  transform: rotate(-45deg);
}

.header-login-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 22px;
  border-radius: var(--radius-pill);
  background: var(--gradient-cta);
  color: #fff;
  font-size: 0.92rem;
  font-weight: 600;
  transition: all 0.2s ease;
  box-shadow: 0 4px 14px rgba(255, 106, 61, 0.22);
}

.header-login-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(255, 106, 61, 0.32);
}

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

.burger-btn {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--color-ink);
}

@media (max-width: 820px) {
  .main-nav {
    display: none;
  }

  .header-search {
    display: none;
  }

  .header-login-btn {
    display: none;
  }

  .burger-btn {
    display: flex;
  }

  .header-inner {
    min-height: 64px;
  }

  .header-inner.mobile-open .main-nav {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    order: 3;
    background: #fff;
    border-top: 1px solid var(--color-border);
    padding: 16px 0;
  }

  .header-inner.mobile-open .main-nav .nav-link {
    min-height: 48px;
    padding: 0 16px;
    border-radius: var(--radius-md);
  }

  .header-inner.mobile-open .header-search,
  .header-inner.mobile-open .header-login-btn {
    display: flex;
    width: 100%;
    order: 2;
    margin-top: 8px;
  }

  .header-inner.mobile-open .header-search input {
    width: 100%;
  }

  .header-inner.mobile-open .header-login-btn {
    margin-top: 12px;
  }
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  padding: 28px 0 8px;
  font-size: var(--text-small);
  color: var(--color-ink-secondary);
}

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

.breadcrumb a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

.breadcrumb .sep {
  color: #b8c4bf;
  margin: 0 2px;
}

.breadcrumb .current {
  color: var(--color-ink-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 260px;
}

.article-page {
  padding-bottom: var(--space-section);
  background: var(--color-surface);
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding-top: 16px;
}

@media (min-width: 1024px) {
  .article-layout {
    grid-template-columns: 9fr 3fr;
    gap: 48px;
  }
}

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

.article-header {
  padding-bottom: 28px;
  border-bottom: 1px solid var(--color-border);
}

.article-title {
  font-size: clamp(1.8rem, 3vw, 2.3rem);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: 0.5px;
  color: var(--color-ink);
  margin-bottom: 18px;
  word-break: break-word;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
  font-size: var(--text-meta);
  color: var(--color-ink-secondary);
}

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

.article-meta .meta-divider {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #c2cec9;
  display: inline-block;
}

.article-body {
  padding-top: 36px;
  max-width: var(--measure);
  font-size: var(--text-body);
  line-height: 1.9;
  color: #2c3a42;
  word-break: break-word;
}

.article-body p {
  margin-bottom: 1.5em;
}

.article-body h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin: 2em 0 0.8em;
  padding-left: 14px;
  border-left: 4px solid var(--color-primary);
  line-height: 1.4;
  color: var(--color-ink);
}

.article-body h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 1.8em 0 0.6em;
  color: var(--color-ink);
  line-height: 1.45;
}

.article-body blockquote {
  margin: 1.8em 0;
  padding: 20px 24px;
  background: var(--color-bg-soft);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--color-ink-secondary);
  font-style: normal;
}

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

.article-body ul,
.article-body ol {
  margin: 1.5em 0;
  padding-left: 1.5em;
}

.article-body ul {
  list-style: disc;
}

.article-body ol {
  list-style: decimal;
}

.article-body li {
  margin-bottom: 0.5em;
  padding-left: 4px;
}

.article-body img {
  border-radius: var(--radius-md);
  margin: 1.8em 0;
  width: 100%;
  height: auto;
}

.article-body figure {
  margin: 1.8em 0;
}

.article-body figcaption {
  text-align: center;
  font-size: var(--text-meta);
  color: var(--color-ink-secondary);
  margin-top: 8px;
}

.article-body a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  font-size: 0.95rem;
}

.article-body th,
.article-body td {
  border: 1px solid var(--color-border);
  padding: 12px 14px;
  text-align: left;
}

.article-body th {
  background: var(--color-bg-soft);
  font-weight: 700;
}

.not-found {
  background: var(--color-bg-soft);
  border: 2px dashed #c8d4cf;
  border-radius: var(--radius-lg);
  padding: 48px 24px;
  text-align: center;
  margin: 36px 0;
}

.not-found .icon-circle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: #e5edea;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--color-primary);
}

.not-found p {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 8px;
}

.not-found span {
  display: block;
  font-size: var(--text-small);
  color: var(--color-ink-secondary);
  margin-bottom: 20px;
}

.article-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

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

.adjacent-links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  background: var(--color-bg-soft);
  font-size: var(--text-small);
  color: var(--color-ink-secondary);
  transition: all 0.2s ease;
}

.adjacent-links a:hover {
  background: rgba(12, 170, 140, 0.08);
  color: var(--color-primary);
}

.article-sidebar {
  min-width: 0;
}

.sidebar-widget {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 28px;
  box-shadow: var(--shadow-card);
}

.sidebar-widget h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
}

.related-post {
  margin-bottom: 18px;
}

.related-post:last-child {
  margin-bottom: 0;
}

.related-post a {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 8px;
  border-radius: var(--radius-md);
  transition: background 0.2s ease;
}

.related-post a:hover {
  background: rgba(12, 170, 140, 0.04);
}

.related-post img {
  width: 80px;
  height: 60px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}

.related-post .related-info {
  min-width: 0;
}

.related-post h5 {
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--color-ink);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 4px;
}

.related-post span {
  font-size: var(--text-meta);
  color: var(--color-ink-secondary);
}

.tag-cloud .tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-cloud .tag-list a {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  background: var(--color-bg-soft);
  font-size: var(--text-meta);
  color: var(--color-ink-secondary);
  transition: all 0.2s ease;
}

.tag-cloud .tag-list a:hover {
  background: rgba(12, 170, 140, 0.1);
  color: var(--color-primary);
  transform: translateY(-1px);
}

.cta-section {
  padding: var(--space-section) 24px;
  background: var(--color-bg-soft);
}

.cta-card {
  background: var(--color-dark-bg);
  border-radius: var(--radius-lg);
  padding: clamp(36px, 5vw, 64px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(12, 170, 140, 0.12);
}

.cta-card::after {
  content: "";
  position: absolute;
  bottom: -40px;
  left: 30%;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(255, 106, 61, 0.1);
}

.cta-text {
  position: relative;
  z-index: 1;
  max-width: 520px;
}

.cta-text h2 {
  font-size: var(--text-h2);
  font-weight: 800;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 12px;
}

.cta-text p {
  color: rgba(255, 255, 255, 0.78);
  font-size: var(--text-small);
  line-height: 1.7;
}

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

.cta-actions .btn-primary {
  background: var(--gradient-cta);
  color: #fff;
}

.cta-actions .btn-outline {
  border-color: rgba(255, 255, 255, 0.6);
  color: #fff;
}

.cta-actions .btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  color: #fff;
}

.site-footer {
  background: var(--color-dark-bg);
  color: rgba(255, 255, 255, 0.78);
  padding: 60px 0 0;
  margin-top: 0;
}

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

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 48px;
  }
}

.footer-brand .logo {
  margin-bottom: 18px;
}

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

.footer-brand .logo-mark {
  background: var(--gradient-brand);
  box-shadow: 0 4px 18px rgba(12, 170, 140, 0.3);
}

.footer-brand p {
  font-size: var(--text-small);
  line-height: 1.8;
  margin-bottom: 20px;
  max-width: 360px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-pill);
  font-size: var(--text-meta);
  color: rgba(255, 255, 255, 0.8);
  transition: all 0.2s ease;
}

.footer-social a:hover {
  border-color: var(--color-primary);
  color: #fff;
  background: rgba(12, 170, 140, 0.15);
}

.footer-links h4,
.footer-help h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}

.footer-links a,
.footer-help a {
  display: block;
  padding: 5px 0;
  font-size: var(--text-small);
  color: rgba(255, 255, 255, 0.68);
  transition: all 0.2s ease;
}

.footer-links a:hover,
.footer-help a:hover {
  color: #fff;
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  text-align: center;
  font-size: var(--text-meta);
  color: rgba(255, 255, 255, 0.45);
}

.footer-bottom p {
  margin: 0;
}

@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-sidebar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .sidebar-widget {
    margin-bottom: 0;
  }
}

@media (max-width: 768px) {
  .article-sidebar {
    display: block;
  }

  .sidebar-widget {
    margin-bottom: 20px;
  }

  .article-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-card {
    flex-direction: column;
    text-align: center;
  }

  .cta-actions {
    justify-content: center;
    width: 100%;
  }
}

@media (max-width: 520px) {
  .header-inner {
    gap: 12px;
  }

  .logo-text {
    font-size: 1.15rem;
  }

  .breadcrumb {
    padding-top: 20px;
  }

  .article-title {
    font-size: 1.5rem;
  }

  .article-meta {
    gap: 6px 12px;
  }

  .article-body {
    padding-top: 24px;
  }

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

  .adjacent-links {
    width: 100%;
  }

  .adjacent-links a {
    flex: 1;
    justify-content: center;
  }

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

  .related-post img {
    width: 68px;
    height: 52px;
  }
}

/* roulang page: category2 */
:root {
  --color-primary: #0caa8c;
  --color-primary-dark: #087f6b;
  --color-secondary: #ff6a3d;
  --color-accent-yellow: #ffc94a;
  --color-bg-soft: #f6f8f7;
  --color-surface: #ffffff;
  --color-ink: #17252e;
  --color-ink-secondary: #5a6d66;
  --color-border: rgba(23, 37, 46, 0.08);
  --color-dark-bg: #122b27;
  --gradient-brand: linear-gradient(135deg, #0caa8c 0%, #37c9a4 48%, #6fd9bd 100%);
  --gradient-cta: linear-gradient(135deg, #ff6a3d 0%, #ff9a5c 100%);
  --text-hero: clamp(2.2rem, 4vw, 3.2rem);
  --text-h2: clamp(1.6rem, 2.4vw, 2.2rem);
  --text-h3: clamp(1.15rem, 1.4vw, 1.4rem);
  --text-body: 1.05rem;
  --text-small: 0.9rem;
  --text-meta: 0.8rem;
  --space-section: clamp(56px, 7vw, 100px);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 999px;
  --shadow-card: 0 4px 20px rgba(23, 37, 46, 0.06);
  --shadow-hover: 0 12px 32px rgba(22, 60, 48, 0.13);
  --shadow-nav: 0 2px 12px rgba(23, 37, 46, 0.06);
  --font-family: "PingFang SC", "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
  --font-number: "DIN Alternate", "Bebas Neue", sans-serif;
  --container-pad: clamp(16px, 4vw, 24px);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-family);
  font-size: var(--text-body);
  line-height: 1.85;
  color: var(--color-ink);
  background: var(--color-surface);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--color-primary-dark); }
button { font-family: inherit; cursor: pointer; }
input, button { font-size: inherit; }
:focus-visible { outline: 3px solid rgba(255, 106, 61, 0.5); outline-offset: 2px; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 32px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: var(--text-body);
  line-height: 1;
  border: 1.5px solid transparent;
  transition: all .2s ease;
  text-decoration: none;
}
.btn-primary {
  background: var(--gradient-cta);
  color: #fff;
  box-shadow: var(--shadow-card);
}
.btn-primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  filter: brightness(1.05);
}
.btn-primary:active { transform: translateY(0); }
.btn-outline {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-outline:hover {
  background: rgba(12, 170, 140, 0.06);
  border-color: var(--color-primary-dark);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
}
.btn-light {
  background: #fff;
  color: var(--color-ink);
  box-shadow: var(--shadow-card);
}
.btn-light:hover {
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.btn-sm {
  min-height: 40px;
  padding: 0 22px;
  font-size: var(--text-small);
}

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-nav);
  transition: box-shadow .2s ease;
}
.site-header.is-sticky { box-shadow: 0 6px 20px rgba(23, 37, 46, 0.1); }
.header-top { border-bottom: 1px solid rgba(23, 37, 46, 0.05); }
.header-row {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 68px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: var(--gradient-brand);
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(12, 170, 140, 0.28);
}
.logo-text {
  font-size: 1.28rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--color-ink);
  white-space: nowrap;
}
.logo-text span { color: var(--color-primary); }
.header-search {
  flex: 1;
  max-width: 380px;
  margin: 0 auto;
  position: relative;
}
.header-search input {
  width: 100%;
  height: 42px;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--color-border);
  background: var(--color-bg-soft);
  padding: 0 46px 0 18px;
  font-size: var(--text-small);
  color: var(--color-ink);
  transition: border-color .2s ease, background .2s ease;
}
.header-search input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: #fff;
}
.header-search button {
  position: absolute;
  right: 4px;
  top: 4px;
  width: 34px;
  height: 34px;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--color-ink-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s ease, color .2s ease;
}
.header-search button:hover { background: rgba(12, 170, 140, 0.1); color: var(--color-primary); }
.header-search button svg { width: 18px; height: 18px; }
.header-actions { display: flex; align-items: center; gap: 14px; margin-left: auto; flex-shrink: 0; }
.header-login-link {
  font-weight: 600;
  color: var(--color-ink);
  font-size: var(--text-small);
  transition: color .2s ease;
}
.header-login-link:hover { color: var(--color-primary); }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--color-ink);
  border-radius: 2px;
  transition: transform .25s ease, opacity .25s ease;
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.header-bottom-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 52px;
}
.main-nav { display: flex; align-items: center; gap: 6px; }
.nav-link {
  position: relative;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  color: var(--color-ink-secondary);
  font-size: var(--text-small);
  transition: color .2s ease, background .2s ease;
}
.nav-link:hover { color: var(--color-primary); background: rgba(12, 170, 140, 0.06); }
.nav-link.active { color: var(--color-primary); }
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-secondary);
  transform: translateX(-50%);
}
.hot-topics {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.hot-label {
  font-size: var(--text-meta);
  color: var(--color-ink-secondary);
  margin-right: 4px;
}
.hot-topics a {
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--color-bg-soft);
  font-size: var(--text-meta);
  color: var(--color-ink-secondary);
  transition: all .2s ease;
}
.hot-topics a:hover { background: rgba(12, 170, 140, 0.1); color: var(--color-primary); }

/* 移动端抽屉 */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-surface);
  z-index: 98;
  padding: 88px 24px 32px;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
}
.mobile-nav.open { display: flex; }
.mobile-link {
  display: block;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-ink);
  border-bottom: 1px solid var(--color-border);
}
.mobile-link:hover { background: var(--color-bg-soft); color: var(--color-primary); }
.mobile-link.active { color: var(--color-primary); }
.mobile-hot { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0; }
.mobile-hot a { padding: 6px 14px; border-radius: var(--radius-pill); background: var(--color-bg-soft); font-size: var(--text-small); color: var(--color-ink-secondary); }
.mobile-actions { margin-top: 12px; display: flex; flex-direction: column; gap: 12px; }

/* ===== 页面区块基础 ===== */
.section { padding: var(--space-section) 0; }
.section-alt { background: var(--color-bg-soft); }
.section-dark { background: var(--color-dark-bg); }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: clamp(28px, 4vw, 48px);
  flex-wrap: wrap;
}
.eyebrow {
  display: inline-block;
  font-size: var(--text-meta);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section-head h2 { margin: 0; font-size: var(--text-h2); line-height: 1.3; font-weight: 800; }
.section-desc { max-width: 460px; margin: 0; color: var(--color-ink-secondary); font-size: var(--text-small); }
.section-dark .eyebrow { color: var(--color-accent-yellow); }
.section-dark h2 { color: #fff; }
.section-dark .section-desc { color: rgba(255, 255, 255, 0.72); }

/* ===== Hero ===== */
.page-hero {
  position: relative;
  padding: clamp(56px, 7vw, 96px) 0;
  overflow: hidden;
  background: var(--color-bg-soft);
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
}
.page-hero::after {
  content: "";
  position: absolute;
  top: -120px;
  right: -80px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(12, 170, 140, 0.12) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(32px, 5vw, 60px);
  align-items: center;
}
.page-hero-tag { display: flex; gap: 10px; margin-bottom: 18px; }
.tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  font-size: var(--text-meta);
  font-weight: 600;
}
.tag-hot {
  background: var(--gradient-cta);
  color: #fff;
}
.tag-badge {
  background: rgba(12, 170, 140, 0.1);
  color: var(--color-primary);
}
.page-hero h1 {
  margin: 0 0 16px;
  font-size: var(--text-hero);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: 0.01em;
}
.page-hero-sub {
  font-size: 1.12rem;
  color: var(--color-ink-secondary);
  max-width: 34em;
  margin: 0 0 28px;
  line-height: 1.8;
}
.page-hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.page-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.stat-badge {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 20px 14px;
  text-align: center;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  transition: transform .25s ease, box-shadow .25s ease;
}
.stat-badge:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.stat-badge strong {
  display: block;
  font-family: var(--font-number);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  line-height: 1.1;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-badge span {
  display: block;
  margin-top: 6px;
  font-size: var(--text-meta);
  color: var(--color-ink-secondary);
  line-height: 1.4;
}

/* ===== 分类通道 ===== */
.channel-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.channel-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  transition: transform .25s ease, box-shadow .25s ease;
  display: block;
}
.channel-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(12, 170, 140, 0.2);
}
.channel-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 16px;
  box-shadow: 0 6px 16px rgba(12, 170, 140, 0.2);
}
.channel-card h3 { margin: 0 0 8px; font-size: var(--text-h3); line-height: 1.4; }
.channel-card p { margin: 0 0 14px; color: var(--color-ink-secondary); font-size: var(--text-small); line-height: 1.7; }
.channel-meta {
  font-size: var(--text-meta);
  color: var(--color-secondary);
  font-weight: 600;
}

/* ===== 精选资讯卡 ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.news-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  transition: transform .3s ease, box-shadow .3s ease;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.news-card-lg { grid-column: span 2; }
.news-card-cover { position: relative; display: block; overflow: hidden; background: var(--color-bg-soft); }
.news-card-cover img { width: 100%; height: 200px; object-fit: cover; transition: transform .3s ease; }
.news-card-lg .news-card-cover img { height: 280px; }
.news-card:hover .news-card-cover img { transform: scale(1.03); }
.news-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-primary);
  font-size: var(--text-meta);
  font-weight: 700;
  box-shadow: var(--shadow-card);
}
.news-card-body { padding: 20px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.news-card-body h3 {
  margin: 0 0 10px;
  line-height: 1.45;
  font-size: var(--text-h3);
  font-weight: 700;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card-body h3 a { color: var(--color-ink); }
.news-card-body h3 a:hover { color: var(--color-primary); }
.news-card-body p {
  margin: 0 0 16px;
  color: var(--color-ink-secondary);
  font-size: var(--text-small);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-meta);
  color: var(--color-ink-secondary);
  margin-top: auto;
}
.news-meta i { width: 3px; height: 3px; border-radius: 50%; background: var(--color-ink-secondary); }

/* ===== 流程 ===== */
.info-flow { background: var(--color-bg-soft); }
.flow-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}
.flow-copy h2 { margin: 0 0 12px; font-size: var(--text-h2); line-height: 1.3; }
.flow-copy p { color: var(--color-ink-secondary); max-width: 38em; margin: 0 0 24px; }
.flow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.flow-steps li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  transition: transform .25s ease, box-shadow .25s ease;
}
.flow-steps li:hover { transform: translateX(6px); box-shadow: var(--shadow-hover); }
.step-num {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: var(--gradient-brand);
  color: #fff;
  font-family: var(--font-number);
  font-weight: 800;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.flow-steps h3 { margin: 0 0 4px; font-size: 1.08rem; }
.flow-steps p { margin: 0; color: var(--color-ink-secondary); font-size: var(--text-small); line-height: 1.6; }

/* ===== 内容优势 ===== */
.edge-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 4vw, 48px);
}
.edge-row {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  transition: background .25s ease, transform .25s ease;
}
.edge-row:hover { background: rgba(255, 255, 255, 0.08); transform: translateY(-4px); }
.edge-icon {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: var(--gradient-cta);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 18px;
  box-shadow: 0 8px 18px rgba(255, 106, 61, 0.25);
}
.edge-row h3 { color: #fff; margin: 0 0 8px; font-size: var(--text-h3); }
.edge-row p { color: rgba(255, 255, 255, 0.72); margin: 0; font-size: var(--text-small); line-height: 1.7; }

/* ===== FAQ ===== */
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow .2s ease;
}
.faq-item.open { box-shadow: var(--shadow-card); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: transparent;
  border: none;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-ink);
  line-height: 1.5;
  min-height: 48px;
}
.faq-question:hover { color: var(--color-primary); }
.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-bg-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--color-primary);
  transition: transform .25s ease, background .25s ease;
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: rgba(12, 170, 140, 0.12); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-answer p { margin: 0; padding: 0 24px 22px; color: var(--color-ink-secondary); font-size: var(--text-small); line-height: 1.75; }
.faq-item.open .faq-answer { max-height: 400px; }

/* ===== CTA ===== */
.cta-section { padding-top: 0; }
.cta-panel {
  background: var(--gradient-brand);
  border-radius: var(--radius-lg);
  padding: clamp(40px, 6vw, 64px) clamp(24px, 5vw, 56px);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-panel::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
}
.cta-panel h2 {
  margin: 0 0 12px;
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  color: #fff;
  line-height: 1.35;
}
.cta-panel p { margin: 0 auto 28px; color: rgba(255, 255, 255, 0.88); font-size: var(--text-body); max-width: 32em; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 2; }

/* ===== 页脚 ===== */
.site-footer { background: var(--color-dark-bg); color: rgba(255, 255, 255, 0.72); padding-top: 64px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: clamp(28px, 4vw, 64px);
  padding-bottom: 48px;
}
.site-footer .logo-text { color: #fff; }
.site-footer .logo-text span { color: var(--color-primary); }
.footer-brand p { font-size: var(--text-small); line-height: 1.8; margin: 16px 0 20px; max-width: 34em; color: rgba(255, 255, 255, 0.6); }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-meta);
  text-decoration: none;
  transition: all .2s ease;
}
.footer-social a:hover { border-color: var(--color-primary); color: #fff; background: rgba(12, 170, 140, 0.2); }
.footer-links h4, .footer-help h4 { color: #fff; font-size: 1.05rem; margin: 0 0 16px; }
.footer-links a, .footer-help a {
  display: block;
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--text-small);
  padding: 5px 0;
  transition: color .2s ease, padding-left .2s ease;
}
.footer-links a:hover, .footer-help a:hover { color: #fff; padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p { margin: 0; font-size: var(--text-meta); color: rgba(255, 255, 255, 0.42); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .page-hero-inner { grid-template-columns: 1fr; }
  .page-hero-stats { max-width: 520px; }
  .channel-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .news-card-lg { grid-column: span 2; }
  .edge-list { grid-template-columns: 1fr; max-width: 640px; }
  .flow-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 820px) {
  .header-search { display: none; }
  .header-actions { display: none; }
  .header-bottom { display: none; }
  .nav-toggle { display: flex; }
  .header-row { height: 60px; }
}
@media (max-width: 768px) {
  .page-hero { padding: 48px 0 56px; }
  .page-hero-stats { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .stat-badge { padding: 16px 10px; }
  .channel-grid { grid-template-columns: 1fr 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .news-card-lg { grid-column: auto; }
  .news-card-lg .news-card-cover img { height: 200px; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-actions .btn { width: 100%; }
  .flow-steps li { flex-direction: column; }
  .step-num { width: 40px; height: 40px; border-radius: 12px; font-size: 1rem; }
}
@media (max-width: 520px) {
  .channel-grid { grid-template-columns: 1fr; }
  .page-hero-actions .btn { width: 100%; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .page-hero-stats { gap: 8px; }
  .stat-badge strong { font-size: 1.6rem; }
  .stat-badge span { font-size: 0.72rem; }
  .news-card-body { padding: 18px 16px 20px; }
  .faq-question { padding: 16px 18px; font-size: 0.98rem; }
  .faq-answer p { padding: 0 18px 18px; }
}