/* roulang page: index */
:root {
  --primary: #c8102e;
  --primary-dark: #9e0b24;
  --primary-light: #e03954;
  --accent: #f6b21a;
  --bg: #f4f5f9;
  --surface: #ffffff;
  --dark: #0e1220;
  --dark-soft: #171b2d;
  --text: #141829;
  --text-weak: #6b7280;
  --border: #e6e8ef;
  --radius: 18px;
  --radius-sm: 10px;
  --shadow: 0 12px 32px rgba(15,18,33,.08);
  --shadow-lg: 0 28px 64px rgba(15,18,33,.14);
  --space-section: 90px;
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color .25s ease;
}

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

button,
input {
  font-family: inherit;
  font-size: inherit;
  outline: none;
  border: none;
}

ul,
ol {
  list-style: none;
}

.container {
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 28px;
}

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

.section-alt {
  background: #eef0f5;
}

.section-head {
  max-width: 760px;
  margin-bottom: 52px;
}

.section-head .tagline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 1px;
  background: rgba(200, 16, 46, .08);
  padding: 6px 16px;
  border-radius: 40px;
  margin-bottom: 18px;
}

.section-head .tagline i {
  font-size: 13px;
}

.section-head h2 {
  font-size: 36px;
  line-height: 1.2;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
}

.section-head p {
  font-size: 17px;
  color: var(--text-weak);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(230, 232, 239, .8);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 21px;
  font-weight: 900;
  color: var(--dark);
  letter-spacing: -.5px;
  white-space: nowrap;
}

.brand i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--primary);
  color: #fff;
  border-radius: 10px;
  font-size: 16px;
}

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

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

.nav-link {
  position: relative;
  padding: 9px 16px;
  border-radius: 40px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  transition: all .25s ease;
}

.nav-link:hover {
  color: var(--primary);
  background: rgba(200, 16, 46, .06);
}

.nav-link.active {
  color: var(--primary);
  background: rgba(200, 16, 46, .08);
}

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

.cmd-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #f1f2f6;
  border: 1px solid var(--border);
  border-radius: 40px;
  padding: 7px 10px 7px 14px;
  min-width: 210px;
  transition: all .25s ease;
}

.cmd-search:focus-within {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(200, 16, 46, .08);
}

.cmd-search i {
  color: var(--text-weak);
  font-size: 13px;
}

.cmd-search input {
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  font-size: 14px;
  color: var(--text);
}

.cmd-search kbd {
  font-size: 12px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 7px;
  color: var(--text-weak);
  font-family: inherit;
  box-shadow: 0 1px 1px rgba(0, 0, 0, .04);
}

.btn-primary,
.btn-ghost,
.btn-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 40px;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.2;
  cursor: pointer;
  transition: all .25s ease;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(200, 16, 46, .24);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(200, 16, 46, .3);
}

.btn-ghost {
  background: transparent;
  color: var(--dark);
  border-color: #d6d9e2;
}

.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(200, 16, 46, .04);
  transform: translateY(-2px);
}

.btn-light {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 8px 24px rgba(0,0,0,.12);
}

.btn-light:hover {
  transform: translateY(-2px);
  background: #fff4f5;
}

.btn-sm {
  padding: 8px 20px;
  font-size: 14px;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: all .3s ease;
}

.hero {
  position: relative;
  color: #fff;
  padding: 110px 0 90px;
  background:
    linear-gradient(100deg, rgba(14, 18, 32, .92) 0%, rgba(14, 18, 32, .72) 48%, rgba(14, 18, 32, .55) 100%),
    url('/assets/images/backpic/back-1.png') center / cover no-repeat;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 40px;
  padding: 7px 18px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 24px;
}

.hero-badge i {
  color: var(--accent);
}

.hero h1 {
  font-size: 46px;
  line-height: 1.15;
  font-weight: 900;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

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

.hero-desc {
  font-size: 18px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .82);
  max-width: 540px;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 34px;
}

.hero-actions .btn-ghost {
  border-color: rgba(255, 255, 255, .3);
  color: #fff;
}

.hero-actions .btn-ghost:hover {
  background: rgba(255, 255, 255, .1);
  border-color: #fff;
  color: #fff;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

.hero-points li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, .78);
}

.hero-points li i {
  color: var(--accent);
}

.login-visual {
  position: relative;
}

.login-card {
  background: rgba(255, 255, 255, .98);
  border-radius: var(--radius);
  padding: 34px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
}

.login-card h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 6px;
}

.login-card .login-sub {
  color: var(--text-weak);
  font-size: 14px;
  margin-bottom: 26px;
}

.field {
  margin-bottom: 18px;
}

.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 7px;
}

.field input {
  width: 100%;
  background: #f5f6fa;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 15px;
  color: var(--text);
  transition: all .25s ease;
}

.field input:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(200, 16, 46, .08);
}

.login-card .btn-primary {
  width: 100%;
  margin-bottom: 16px;
  padding: 14px 20px;
}

.login-links {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
}

.login-links a {
  color: var(--primary);
  font-weight: 600;
}

.login-links a:hover {
  text-decoration: underline;
}

.hero-note {
  position: absolute;
  bottom: -18px;
  left: 30px;
  background: var(--dark-soft);
  color: #fff;
  font-size: 13px;
  padding: 10px 18px;
  border-radius: 40px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(255,255,255,.1);
}

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

.status-bar {
  background: var(--dark);
  border-bottom: 1px solid rgba(255, 255, 255, .05);
}

.status-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
  flex-wrap: wrap;
}

.status-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  font-size: 14px;
}

.status-item i {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--accent);
}

.status-item strong {
  font-size: 15px;
  font-weight: 700;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #2fc96b;
  display: inline-block;
  margin-right: 3px;
  box-shadow: 0 0 0 4px rgba(47, 201, 107, .15);
}

.service-card {
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: all .3s ease;
  border: 1px solid var(--border);
}

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

.cover-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--dark);
}

.cover-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.service-card:hover .cover-wrap img {
  transform: scale(1.04);
}

.cover-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(14,18,32,.55) 100%);
}

.card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-tag {
  display: inline-block;
  align-self: flex-start;
  background: rgba(200, 16, 46, .08);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 30px;
  margin-bottom: 12px;
}

.card-body h3 {
  font-size: 19px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 8px;
}

.card-body p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 18px;
}

.card-link {
  color: var(--primary);
  font-weight: 700;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: gap .25s ease;
}

.card-link:hover {
  gap: 11px;
}

.news-wrap {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  padding: 16px 20px;
}

.news-list {
  display: flex;
  flex-direction: column;
}

.news-item {
  display: grid;
  grid-template-columns: 92px 1fr 220px;
  align-items: center;
  gap: 20px;
  padding: 20px 8px;
  border-bottom: 1px solid var(--border);
  transition: background .25s ease;
  border-radius: 12px;
}

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

.news-item:hover {
  background: #fafbff;
}

.news-tag {
  display: inline-flex;
  justify-content: center;
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 30px;
  white-space: nowrap;
  width: fit-content;
}

.news-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--dark);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.news-desc {
  font-size: 14px;
  color: var(--text-weak);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.news-time {
  font-size: 13px;
  color: var(--text-weak);
  text-align: right;
  white-space: nowrap;
}

.empty-tip {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-weak);
  font-size: 15px;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px dashed var(--border);
}

.steps {
  position: relative;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}

.step-card {
  position: relative;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 34px 26px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: all .3s ease;
}

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

.step-num {
  font-size: 42px;
  font-weight: 900;
  line-height: 1;
  color: var(--primary);
  opacity: .18;
  margin-bottom: 14px;
}

.step-card h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 8px;
}

.step-card p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
}

.split-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.split-media {
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 3;
}

.split-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.split-content h3 {
  font-size: 30px;
  font-weight: 900;
  color: var(--dark);
  line-height: 1.25;
  margin-bottom: 18px;
}

.split-content p {
  color: var(--text-weak);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 20px;
}

.split-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.split-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--text);
  font-weight: 500;
}

.split-list li i {
  color: var(--primary);
  margin-top: 5px;
  font-size: 15px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}

.stat-card {
  background: linear-gradient(150deg, var(--dark), var(--dark-soft));
  border-radius: var(--radius);
  padding: 34px 26px;
  text-align: center;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .06);
  transition: all .3s ease;
}

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

.stat-card i {
  font-size: 26px;
  color: var(--accent);
  margin-bottom: 14px;
}

.stat-card strong {
  display: block;
  font-size: 38px;
  font-weight: 900;
  letter-spacing: -1px;
  margin-bottom: 6px;
}

.stat-card span {
  font-size: 14px;
  color: rgba(255, 255, 255, .66);
}

.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}

.acc-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: all .3s ease;
}

.acc-item.active {
  border-color: var(--primary);
  box-shadow: 0 8px 24px rgba(200, 16, 46, .08);
}

.acc-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 20px 24px;
  background: transparent;
  cursor: pointer;
  text-align: left;
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  transition: color .25s ease;
}

.acc-btn i {
  transition: transform .3s ease;
  color: var(--text-weak);
}

.acc-item.active .acc-btn {
  color: var(--primary);
}

.acc-item.active .acc-btn i {
  transform: rotate(180deg);
  color: var(--primary);
}

.acc-body {
  display: none;
  padding: 0 24px 22px;
  font-size: 15px;
  color: var(--text-weak);
  line-height: 1.8;
}

.cta-band {
  position: relative;
  background:
    linear-gradient(120deg, rgba(200, 16, 46, .92), rgba(158, 11, 36, .9)),
    url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  color: #fff;
  text-align: center;
  padding: 92px 0;
}

.cta-band h2 {
  font-size: 38px;
  font-weight: 900;
  margin-bottom: 16px;
}

.cta-band p {
  font-size: 17px;
  opacity: .88;
  max-width: 620px;
  margin: 0 auto 32px;
}

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

.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, .66);
  padding: 76px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 44px;
  margin-bottom: 48px;
}

.footer-brand h3 {
  color: #fff;
  font-size: 22px;
  font-weight: 900;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
}

.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  margin-bottom: 18px;
}

.footer-col a {
  display: block;
  padding: 5px 0;
  font-size: 14px;
  color: rgba(255, 255, 255, .58);
  transition: all .25s ease;
}

.footer-col a:hover {
  color: #fff;
  padding-left: 5px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding-top: 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
}

.footer-bottom a {
  color: rgba(255, 255, 255, .48);
}

.footer-bottom a:hover {
  color: #fff;
}

@media (max-width: 1024px) {
  .cmd-search {
    display: none;
  }

  .main-nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--surface);
    flex-direction: column;
    align-items: stretch;
    padding: 18px 28px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    transform: translateY(-130%);
    transition: transform .35s ease;
    z-index: 59;
  }

  .main-nav.open {
    transform: translateY(0);
  }

  .nav-link {
    display: block;
    padding: 14px 16px;
    border-radius: 12px;
  }

  .menu-toggle {
    display: flex;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .hero h1 {
    font-size: 38px;
  }

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

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

  .news-item {
    grid-template-columns: 80px 1fr;
  }

  .news-desc {
    display: none;
  }

  .news-time {
    grid-column: 2;
    text-align: left;
  }

  .split-block {
    grid-template-columns: 1fr;
    gap: 36px;
  }

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

@media (max-width: 720px) {
  .section {
    padding: 60px 0;
  }

  .section-head h2 {
    font-size: 28px;
  }

  .hero {
    padding: 72px 0 64px;
  }

  .hero h1 {
    font-size: 30px;
  }

  .hero-desc {
    font-size: 16px;
  }

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

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

  .status-inner {
    justify-content: flex-start;
  }

  .news-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .news-time {
    grid-column: 1;
  }

  .cta-band h2 {
    font-size: 28px;
  }

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

  .container {
    padding: 0 20px;
  }

  .brand {
    font-size: 18px;
  }

  .btn-primary,
  .btn-ghost,
  .btn-light {
    padding: 10px 20px;
    font-size: 14px;
  }
}

@media (max-width: 520px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-points {
    flex-direction: column;
    gap: 10px;
  }

  .login-card {
    padding: 24px;
  }

  .section-head h2 {
    font-size: 24px;
  }

  .footer-bottom {
    justify-content: center;
    text-align: center;
  }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --primary: #c8102e;
  --primary-dark: #9e0d24;
  --primary-light: #f0a0ab;
  --secondary: #d4a017;
  --secondary-light: #f5d98a;
  --dark: #0e0f13;
  --dark-2: #17191f;
  --light: #f5f6f8;
  --white: #ffffff;
  --text: #1c1e24;
  --muted: #646a76;
  --border: #e4e6eb;
  --radius: 18px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 10px rgba(0,0,0,.05);
  --shadow: 0 10px 30px rgba(0,0,0,.09);
  --shadow-lg: 0 20px 50px rgba(0,0,0,.15);
  --transition: .25s ease;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

/* ===== Reset / Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--white); color: var(--text); line-height: 1.65; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button, input, textarea { font-family: inherit; font-size: inherit; }

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

/* ===== 按钮 ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid transparent; border-radius: 50px; padding: 12px 28px; font-size: 15px; font-weight: 600; cursor: pointer; transition: all var(--transition); }
.btn i { font-size: 14px; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 6px 20px rgba(200,16,46,.3); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 10px 28px rgba(200,16,46,.38); }
.btn-outline-light { border-color: rgba(255,255,255,.6); color: #fff; backdrop-filter: blur(4px); background: rgba(255,255,255,.08); }
.btn-outline-light:hover { background: rgba(255,255,255,.18); border-color: #fff; transform: translateY(-2px); }
.btn-sm { padding: 9px 18px; font-size: 13px; }
.btn-lg { padding: 16px 36px; font-size: 17px; }

/* ===== 表单 ===== */
.search-box { position: relative; display: flex; align-items: center; }
.search-box i { position: absolute; left: 14px; color: var(--muted); font-size: 14px; pointer-events: none; }
.search-box input { background: var(--light); border: 1px solid var(--border); border-radius: 50px; padding: 9px 16px 9px 40px; font-size: 13px; width: 220px; outline: none; transition: all var(--transition); }
.search-box input:focus { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 4px rgba(200,16,46,.08); width: 250px; }

/* ===== Header 导航 ===== */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.92); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.header-wrap { display: flex; align-items: center; justify-content: space-between; height: 74px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 800; color: var(--text); white-space: nowrap; }
.logo i { color: var(--primary); font-size: 22px; }
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav .nav-link { padding: 10px 18px; font-size: 15px; font-weight: 500; color: var(--text); border-radius: 50px; transition: all var(--transition); position: relative; }
.main-nav .nav-link:hover { background: var(--light); color: var(--primary); }
.main-nav .nav-link.active { background: var(--primary); color: #fff; }
.header-tools { display: flex; align-items: center; gap: 12px; }
.menu-toggle { display: none; background: none; border: 1px solid var(--border); border-radius: 50px; width: 42px; height: 42px; align-items: center; justify-content: center; cursor: pointer; color: var(--text); font-size: 17px; transition: all var(--transition); }
.menu-toggle:hover { background: var(--light); border-color: var(--primary); color: var(--primary); }

/* 移动端抽屉 */
.mobile-drawer { display: none; position: fixed; top: 0; right: -300px; width: 280px; height: 100vh; background: var(--white); z-index: 200; box-shadow: -10px 0 40px rgba(0,0,0,.15); padding: 28px 24px; transition: right .3s ease; overflow-y: auto; }
.mobile-drawer.open { right: 0; }
.mobile-drawer .drawer-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.mobile-drawer .drawer-header .close-btn { background: none; border: none; font-size: 22px; cursor: pointer; color: var(--text); }
.mobile-drawer .nav-link { display: block; padding: 14px 16px; font-size: 16px; font-weight: 500; border-radius: 12px; margin-bottom: 6px; transition: all var(--transition); }
.mobile-drawer .nav-link:hover { background: var(--light); color: var(--primary); }
.mobile-drawer .nav-link.active { background: var(--primary); color: #fff; }
.mobile-drawer-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 150; backdrop-filter: blur(2px); }

/* ===== 页面 Hero ===== */
.page-hero { position: relative; background-size: cover; background-position: center center; color: #fff; padding: 110px 0 90px; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(14,15,19,.92) 0%, rgba(14,15,19,.72) 50%, rgba(200,16,46,.44) 100%); }
.page-hero .container { position: relative; z-index: 2; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.28); border-radius: 50px; padding: 6px 16px; font-size: 13px; font-weight: 600; letter-spacing: .5px; backdrop-filter: blur(4px); margin-bottom: 20px; }
.hero-badge i { color: var(--secondary-light); }
.page-hero h1 { font-size: 48px; line-height: 1.2; font-weight: 800; margin-bottom: 20px; letter-spacing: -1px; max-width: 620px; }
.hero-lead { font-size: 18px; max-width: 620px; color: rgba(255,255,255,.86); margin-bottom: 34px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 48px; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 30px; border-top: 1px solid rgba(255,255,255,.22); padding-top: 28px; }
.hero-stats .stat { display: flex; flex-direction: column; }
.hero-stats .stat strong { font-size: 32px; font-weight: 800; color: #fff; }
.hero-stats .stat span { font-size: 13px; color: rgba(255,255,255,.65); margin-top: 2px; }

/* ===== 状态条 ===== */
.status-strip { background: var(--dark); border-bottom: 1px solid rgba(255,255,255,.08); padding: 18px 0; }
.status-items { display: flex; flex-wrap: wrap; justify-content: center; gap: 18px 40px; }
.status-item { display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,.74); font-size: 14px; }
.status-item b { color: #fff; font-weight: 600; margin-left: 2px; }
.status-dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.status-dot.ok { background: #27ae60; box-shadow: 0 0 8px rgba(39,174,96,.7); animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .55; } }

/* ===== 板块通用 ===== */
.section-head { text-align: center; max-width: 680px; margin: 0 auto 50px; }
.section-tag { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 1px; color: var(--primary); background: rgba(200,16,46,.08); border: 1px solid rgba(200,16,46,.15); border-radius: 50px; padding: 5px 16px; margin-bottom: 14px; }
.section-head h2 { font-size: 36px; line-height: 1.25; font-weight: 800; color: var(--text); margin-bottom: 14px; letter-spacing: -.5px; }
.section-head p { font-size: 16px; color: var(--muted); line-height: 1.7; }

/* ===== 登录流程 ===== */
.process-section { padding: 90px 0; background: var(--light); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.process-card { background: var(--white); border-radius: var(--radius); border: 1px solid var(--border); padding: 34px 26px; position: relative; transition: all var(--transition); box-shadow: var(--shadow-sm); }
.process-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.process-card:hover .process-num { background: var(--primary); color: #fff; }
.process-num { position: absolute; top: 18px; right: 20px; font-size: 28px; font-weight: 800; color: var(--border); transition: all var(--transition); }
.process-card h3 { font-size: 17px; font-weight: 700; margin: 14px 0 10px; }
.process-card p { font-size: 14.5px; color: var(--muted); line-height: 1.6; }
.process-step { font-size: 12px; font-weight: 700; color: var(--primary); letter-spacing: .5px; text-transform: uppercase; }

/* ===== 登录方式 ===== */
.methods-section { padding: 90px 0; background: var(--dark); }
.methods-section .section-tag { color: var(--secondary-light); background: rgba(212,160,23,.12); border-color: rgba(212,160,23,.25); }
.methods-section .section-head h2 { color: #fff; }
.methods-section .section-head p { color: rgba(255,255,255,.65); }
.methods-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.method-card { background: var(--dark-2); border: 1px solid rgba(255,255,255,.09); border-radius: var(--radius); overflow: hidden; transition: all var(--transition); display: flex; flex-direction: column; }
.method-card:hover { transform: translateY(-6px); border-color: rgba(200,16,46,.5); box-shadow: 0 12px 36px rgba(0,0,0,.4); }
.method-img { height: 180px; overflow: hidden; }
.method-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; opacity: .9; }
.method-card:hover .method-img img { transform: scale(1.05); opacity: 1; }
.method-img img { filter: saturate(.9) contrast(1.05); }
.method-body { padding: 26px 26px 30px; flex: 1; display: flex; flex-direction: column; }
.method-label { display: inline-block; align-self: flex-start; font-size: 12px; font-weight: 700; color: var(--secondary-light); background: rgba(212,160,23,.12); padding: 4px 14px; border-radius: 50px; margin-bottom: 14px; }
.method-body h3 { font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.method-body p { font-size: 14.5px; color: rgba(255,255,255,.6); line-height: 1.6; margin-bottom: 18px; }
.text-link { color: var(--secondary); font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; margin-top: auto; transition: all var(--transition); }
.text-link:hover { color: var(--secondary-light); gap: 12px; }

/* ===== 问题排查 ===== */
.troubleshoot-section { padding: 90px 0; }
.trouble-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.trouble-item { background: var(--light); border: 1px solid var(--border); border-radius: var(--radius); padding: 30px 24px; text-align: center; transition: all var(--transition); }
.trouble-item:hover { background: var(--white); box-shadow: var(--shadow); transform: translateY(-5px); border-color: transparent; }
.trouble-item:hover .trouble-icon { background: var(--primary); color: #fff; }
.trouble-icon { width: 56px; height: 56px; border-radius: 14px; background: rgba(200,16,46,.1); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 22px; margin: 0 auto 18px; transition: all var(--transition); }
.trouble-item h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.trouble-item p { font-size: 14px; color: var(--muted); line-height: 1.6; margin-bottom: 0; }

/* ===== 资讯卡片 ===== */
.guide-section { padding: 90px 0; background: var(--light); }
.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.article-card { background: var(--white); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); transition: all var(--transition); display: flex; flex-direction: column; }
.article-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.article-card img { height: 200px; width: 100%; object-fit: cover; }
.article-body { padding: 24px; display: flex; flex-direction: column; flex: 1; position: relative; }
.article-tag { align-self: flex-start; font-size: 12px; font-weight: 700; color: var(--primary); background: rgba(200,16,46,.08); border-radius: 50px; padding: 4px 12px; margin-bottom: 14px; }
.article-body h3 { font-size: 17px; font-weight: 700; line-height: 1.5; margin-bottom: 8px; }
.article-body p { font-size: 14px; color: var(--muted); line-height: 1.65; flex: 1; }

/* ===== FAQ ===== */
.faq-section { padding: 90px 0; }
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 14px; background: var(--light); overflow: hidden; transition: all var(--transition); }
.faq-item.open { background: var(--white); box-shadow: var(--shadow-sm); border-color: rgba(200,16,46,.2); }
.faq-q { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; background: none; border: none; padding: 20px 22px; font-size: 16px; font-weight: 600; text-align: left; cursor: pointer; color: var(--text); transition: all var(--transition); }
.faq-q i { font-size: 14px; color: var(--muted); transition: transform var(--transition); flex-shrink: 0; }
.faq-item.open .faq-q i { transform: rotate(180deg); color: var(--primary); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease, padding .3s ease; padding: 0 22px; }
.faq-item.open .faq-a { max-height: 300px; padding: 0 22px 20px; }
.faq-a p { font-size: 15px; color: var(--muted); line-height: 1.7; }

/* ===== CTA ===== */
.cta-section { position: relative; background-size: cover; background-position: center; padding: 100px 0; text-align: center; color: #fff; overflow: hidden; }
.cta-section::before { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, rgba(14,15,19,.9), rgba(200,16,46,.5)); }
.cta-section .container { position: relative; z-index: 2; }
.cta-section h2 { font-size: 36px; font-weight: 800; margin-bottom: 16px; }
.cta-section p { max-width: 560px; margin: 0 auto 30px; font-size: 17px; color: rgba(255,255,255,.85); }

/* ===== Footer ===== */
.site-footer { background: var(--dark); padding: 70px 0 0; color: rgba(255,255,255,.7); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.08); }
.footer-brand .brand { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; color: #fff; margin-bottom: 16px; }
.footer-brand .brand i { color: var(--primary); }
.footer-brand p { font-size: 14.5px; line-height: 1.7; max-width: 330px; }
.footer-col h4 { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 18px; }
.footer-col a { display: block; padding: 5px 0; font-size: 14.5px; color: rgba(255,255,255,.6); transition: all var(--transition); }
.footer-col a:hover { color: var(--secondary-light); padding-left: 4px; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; padding: 26px 0; font-size: 13px; color: rgba(255,255,255,.4); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .trouble-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .methods-grid { grid-template-columns: repeat(2, 1fr); gap: 22px; }
  .article-grid { grid-template-columns: repeat(2, 1fr); gap: 22px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .search-box input { width: 170px; }
  .search-box input:focus { width: 190px; }
}

@media (max-width: 768px) {
  .main-nav, .header-tools .search-box, .header-tools .btn { display: none; }
  .menu-toggle { display: inline-flex; }
  .mobile-drawer, .mobile-drawer-overlay { display: block; }
  .page-hero { padding: 70px 0 56px; }
  .page-hero h1 { font-size: 32px; }
  .hero-lead { font-size: 16px; }
  .hero-stats { gap: 20px; }
  .hero-stats .stat strong { font-size: 24px; }
  .process-section, .methods-section, .troubleshoot-section, .guide-section, .faq-section, .cta-section { padding: 56px 0; }
  .section-head { margin-bottom: 32px; }
  .section-head h2 { font-size: 26px; }
  .methods-grid { grid-template-columns: 1fr; }
  .process-grid, .trouble-grid, .article-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; padding-bottom: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-col a { font-size: 14px; }
  .status-items { flex-direction: column; align-items: center; gap: 10px; }
  .cta-section h2 { font-size: 26px; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .logo { font-size: 15px; }
  .logo i { font-size: 18px; }
  .header-wrap { height: 64px; }
  .hero-actions .btn { width: 100%; }
  .faq-q { font-size: 14.5px; padding: 16px 14px; }
  .faq-a p { font-size: 14px; }
  .process-card { padding: 26px 20px; }
  .trouble-item { padding: 24px 16px; }
}

/* roulang page: article */
:root {
            --primary: #c8102e;
            --primary-dark: #a00d25;
            --primary-light: #fef0f2;
            --accent: #f5b301;
            --dark: #0d1128;
            --dark-2: #161b36;
            --light: #f5f7fa;
            --white: #ffffff;
            --text: #1a1a2e;
            --text-light: #6b7280;
            --text-lighter: #9ca3af;
            --border: #e8ebf0;
            --radius: 12px;
            --radius-lg: 20px;
            --shadow: 0 4px 20px rgba(0, 0, 0, .08);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, .12);
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --transition: all .3s ease;
        }

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

        html {
            font-size: 16px;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.6;
            color: var(--text);
            background: var(--white);
            -webkit-font-smoothing: antialiased;
        }

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

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

        ul,
        ol {
            list-style: none;
        }

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

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

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: .85rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 30px;
            letter-spacing: .5px;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            font-weight: 800;
            line-height: 1.2;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 640px;
            line-height: 1.6;
            margin-bottom: 32px;
        }

        /* ============ Header / Nav ============ */
        .site-header {
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(232, 235, 240, .8);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(13, 17, 40, .04);
        }

        .main-nav {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            gap: 28px;
            height: 72px;
        }

        .nav-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.15rem;
            color: var(--dark);
            white-space: nowrap;
        }

        .nav-brand i {
            color: var(--primary);
            font-size: 1.3rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
        }

        .nav-link {
            display: inline-block;
            padding: 10px 16px;
            border-radius: 10px;
            font-size: .95rem;
            font-weight: 500;
            color: var(--text);
            transition: var(--transition);
        }

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

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

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-left: auto;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--light);
            border: 1px solid var(--border);
            border-radius: 40px;
            padding: 8px 16px;
            width: 240px;
            transition: var(--transition);
        }

        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(200, 16, 46, .1);
            background: var(--white);
        }

        .nav-search i {
            color: var(--text-light);
            font-size: .9rem;
        }

        .nav-search input {
            border: none;
            outline: none;
            background: transparent;
            flex: 1;
            font-size: .9rem;
            color: var(--text);
        }

        .nav-search kbd {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 6px;
            padding: 2px 6px;
            font-size: .75rem;
            color: var(--text-lighter);
            font-family: inherit;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--text);
            cursor: pointer;
            padding: 6px;
            border-radius: 8px;
        }

        .mobile-toggle:hover {
            background: var(--light);
        }

        /* ============ Buttons ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 12px;
            font-size: .95rem;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            line-height: 1.4;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--white);
            box-shadow: 0 4px 14px rgba(200, 16, 46, .25);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(200, 16, 46, .35);
        }

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

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

        .btn-white {
            background: var(--white);
            color: var(--primary);
            box-shadow: 0 4px 14px rgba(255, 255, 255, .2);
        }

        .btn-white:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 255, 255, .3);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: .85rem;
            border-radius: 10px;
        }

        .btn-block {
            display: flex;
            width: 100%;
            justify-content: center;
        }

        /* ============ Badges / Tags ============ */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 12px;
            border-radius: 30px;
            font-size: .8rem;
            font-weight: 600;
            background: var(--primary-light);
            color: var(--primary);
        }

        .badge-dark {
            background: rgba(255, 255, 255, .18);
            color: var(--white);
            border: 1px solid rgba(255, 255, 255, .3);
        }

        .tag {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 8px;
            font-size: .8rem;
            font-weight: 500;
            background: var(--light);
            color: var(--text-light);
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .tag:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: var(--primary-light);
        }

        /* ============ Article Hero ============ */
        .article-hero {
            position: relative;
            background: var(--dark);
            background-image: linear-gradient(rgba(13, 17, 40, .82), rgba(13, 17, 40, .78)), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            padding: 100px 0 70px;
            color: var(--white);
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: .88rem;
            color: rgba(255, 255, 255, .7);
            margin-bottom: 30px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, .7);
            transition: var(--transition);
        }

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

        .breadcrumb .sep {
            opacity: .5;
        }

        .breadcrumb .current {
            color: rgba(255, 255, 255, .95);
            font-weight: 500;
            max-width: 320px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .article-hero h1 {
            font-size: clamp(1.7rem, 3.5vw, 2.4rem);
            font-weight: 800;
            line-height: 1.25;
            max-width: 880px;
            margin-bottom: 18px;
            letter-spacing: -.5px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 18px;
            margin-bottom: 20px;
            font-size: .9rem;
            color: rgba(255, 255, 255, .75);
        }

        .article-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta .badge {
            background: rgba(200, 16, 46, .8);
            color: var(--white);
        }

        .article-excerpt {
            font-size: 1.05rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, .85);
            max-width: 760px;
        }

        /* ============ Article Layout ============ */
        .article-section {
            padding: 70px 0 50px;
        }

        .article-layout .grid-x {
            gap: 0;
        }

        .article-main {
            padding-right: 40px;
        }

        .article-body {
            font-size: 1.02rem;
            line-height: 1.9;
            color: var(--text);
        }

        .article-body p {
            margin-bottom: 22px;
        }

        .article-body h2 {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--dark);
            margin: 36px 0 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border);
        }

        .article-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--dark);
            margin: 28px 0 12px;
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 22px 20px;
            list-style: disc;
            line-height: 1.9;
        }

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

        .article-body li {
            margin-bottom: 8px;
        }

        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-light);
            padding: 16px 20px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
            font-style: italic;
            color: var(--dark);
        }

        .article-body img {
            border-radius: var(--radius);
            margin: 28px 0;
        }

        .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }

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

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            border-radius: 12px;
            overflow: hidden;
        }

        .article-body table th,
        .article-body table td {
            padding: 12px 16px;
            border: 1px solid var(--border);
            text-align: left;
        }

        .article-body table th {
            background: var(--light);
            font-weight: 600;
            color: var(--dark);
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }

        .article-share {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-top: 24px;
            padding: 20px 24px;
            background: var(--light);
            border-radius: var(--radius);
            flex-wrap: wrap;
        }

        .article-share span {
            font-weight: 600;
            color: var(--dark);
        }

        .share-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--white);
            color: var(--text-light);
            border: 1px solid var(--border);
            transition: var(--transition);
            font-size: .95rem;
        }

        .share-btn:hover {
            background: var(--primary);
            color: var(--white);
            border-color: var(--primary);
            transform: translateY(-3px);
            box-shadow: 0 6px 16px rgba(200, 16, 46, .2);
        }

        .not-found-box {
            text-align: center;
            padding: 80px 30px;
            background: var(--light);
            border-radius: var(--radius-lg);
            border: 2px dashed var(--border);
        }

        .not-found-box i {
            font-size: 3.2rem;
            color: var(--text-lighter);
            margin-bottom: 18px;
        }

        .not-found-box h2 {
            font-size: 1.5rem;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .not-found-box p {
            color: var(--text-light);
            margin-bottom: 24px;
        }

        /* ============ Sidebar ============ */
        .article-sidebar {
            padding-left: 10px;
        }

        .sidebar-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 26px;
            margin-bottom: 24px;
            box-shadow: var(--shadow);
        }

        .sidebar-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .sidebar-card h4 i {
            color: var(--primary);
        }

        .sidebar-list li {
            margin-bottom: 12px;
        }

        .sidebar-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text);
            font-size: .92rem;
            padding: 8px 0;
            transition: var(--transition);
        }

        .sidebar-list a:hover {
            color: var(--primary);
            transform: translateX(4px);
        }

        .sidebar-list a i {
            color: var(--text-lighter);
            font-size: .85rem;
            width: 16px;
        }

        .sidebar-help {
            background: var(--dark);
            border: none;
            color: var(--white);
        }

        .sidebar-help h4 {
            color: var(--white);
        }

        .sidebar-help p {
            color: rgba(255, 255, 255, .7);
            font-size: .9rem;
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .sidebar-help .btn {
            width: 100%;
        }

        /* ============ Related Section ============ */
        .related-section {
            padding: 70px 0;
            background: var(--light);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 10px;
        }

        .related-card {
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow);
        }

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

        .related-card .card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .related-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }

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

        .related-card .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .related-card .card-body h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--dark);
            line-height: 1.4;
            margin-bottom: 10px;
            transition: var(--transition);
        }

        .related-card:hover .card-body h4 {
            color: var(--primary);
        }

        .related-card .card-body p {
            font-size: .88rem;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 14px;
            flex: 1;
        }

        .related-card .card-link {
            font-size: .88rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .related-card .card-link i {
            font-size: .75rem;
            transition: transform .3s;
        }

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

        /* ============ CTA Section ============ */
        .cta-section {
            background: var(--dark);
            background-image: linear-gradient(rgba(13, 17, 40, .88), rgba(13, 17, 40, .88)), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            padding: 80px 0;
            color: var(--white);
            text-align: center;
        }

        .cta-section h2 {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            font-weight: 800;
            margin-bottom: 14px;
            line-height: 1.2;
        }

        .cta-section p {
            color: rgba(255, 255, 255, .8);
            max-width: 640px;
            margin: 0 auto 34px;
            font-size: 1.02rem;
            line-height: 1.7;
        }

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

        /* ============ FAQ Section ============ */
        .faq-section {
            padding: 70px 0;
            background: var(--white);
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            max-width: 1000px;
            margin: 30px auto 0;
        }

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

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

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            color: var(--dark);
            font-size: .98rem;
            user-select: none;
            transition: var(--transition);
        }

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

        .faq-question i {
            font-size: .9rem;
            color: var(--text-lighter);
            transition: transform .3s;
            flex-shrink: 0;
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            display: none;
            padding: 0 24px 20px;
            font-size: .92rem;
            line-height: 1.7;
            color: var(--text-light);
        }

        .faq-answer p {
            margin-bottom: 10px;
        }

        .faq-answer p:last-child {
            margin-bottom: 0;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, .75);
            padding: 70px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 50px;
        }

        .footer-brand h3 {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 16px;
        }

        .footer-brand h3 i {
            color: var(--primary);
        }

        .footer-brand p {
            font-size: .92rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, .6);
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: .95rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 18px;
            letter-spacing: .5px;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, .6);
            font-size: .9rem;
            padding: 6px 0;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--white);
            padding-left: 6px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding-top: 26px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: .85rem;
            color: rgba(255, 255, 255, .5);
        }

        /* ============ Responsive ============ */
        @media screen and (max-width: 1024px) {
            .main-nav {
                padding: 0 20px;
                gap: 16px;
            }

            .nav-search {
                width: 180px;
            }

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

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

            .faq-grid {
                grid-template-columns: 1fr;
                max-width: 720px;
            }
        }

        @media screen and (max-width: 768px) {
            .main-nav {
                height: 64px;
            }

            .nav-links {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--white);
                border-bottom: 1px solid var(--border);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 12px 20px;
                box-shadow: var(--shadow-lg);
                display: none;
                z-index: 99;
                max-height: calc(100vh - 64px);
                overflow-y: auto;
            }

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

            .nav-link {
                display: block;
                padding: 14px 16px;
                font-size: 1rem;
            }

            .nav-actions {
                margin-left: auto;
            }

            .nav-search {
                display: none;
            }

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

            .nav-brand span {
                font-size: .98rem;
            }

            .article-section {
                padding: 50px 0 35px;
            }

            .article-main {
                padding-right: 0;
                margin-bottom: 40px;
            }

            .article-sidebar {
                padding-left: 0;
            }

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

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

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

        @media screen and (max-width: 520px) {
            .related-grid {
                grid-template-columns: 1fr;
            }

            .article-hero {
                padding: 70px 0 50px;
            }

            .article-hero h1 {
                font-size: 1.4rem;
            }

            .article-meta {
                gap: 12px;
                font-size: .82rem;
            }

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

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

            .container {
                padding: 0 18px;
            }
        }

/* roulang page: category2 */
:root {
  --primary: #e2231a;
  --primary-dark: #b01c14;
  --primary-light: #ff5a4e;
  --accent: #f5c518;
  --dark: #141420;
  --dark-2: #1e1e2e;
  --bg: #f7f7fb;
  --bg-alt: #ffffff;
  --text: #1a1a26;
  --text-muted: #6b6b7d;
  --border: #e8e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 12px 36px rgba(20, 20, 40, 0.08);
  --shadow-lg: 0 24px 60px rgba(20, 20, 40, 0.14);
  --space-section: 96px;
  --max-width: 1240px;
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", system-ui, -apple-system, sans-serif;
}
*, *:before, *:after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
}
img {
  max-width: 100%;
  display: block;
  border: 0;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color .25s ease;
}
button, input, textarea {
  font-family: inherit;
  font-size: inherit;
  outline: none;
  border: none;
}
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.section-padding {
  padding: var(--space-section) 0;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(226, 35, 26, 0.08);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
  text-transform: uppercase;
}
.section-title {
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.25;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.section-desc {
  color: var(--text-muted);
  font-size: 16px;
  max-width: 640px;
  line-height: 1.75;
}
.section-head {
  margin-bottom: 44px;
}
.section-head.center {
  text-align: center;
}
.section-head.center .section-desc {
  margin-left: auto;
  margin-right: auto;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  transition: all .3s ease;
  white-space: nowrap;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 24px rgba(226, 35, 26, 0.28);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(226, 35, 26, 0.36);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  transform: translateY(-2px);
}
.btn-light {
  background: #fff;
  color: var(--dark);
}
.btn-light:hover {
  background: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(245, 197, 24, 0.3);
}
.badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 100px;
  letter-spacing: .06em;
  backdrop-filter: blur(8px);
}
.badge-accent {
  background: var(--accent);
  color: var(--dark);
  border-color: transparent;
}
/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(232, 232, 240, 0.8);
  transition: box-shadow .3s ease;
}
.site-header.scrolled {
  box-shadow: 0 8px 30px rgba(20, 20, 40, 0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 72px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 800;
  color: var(--dark);
  flex-shrink: 0;
  letter-spacing: .02em;
}
.brand-logo i {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-size: 16px;
  border-radius: 10px;
  box-shadow: 0 6px 16px rgba(226, 35, 26, 0.32);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.nav-link {
  padding: 10px 16px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  color: #4a4a5c;
  transition: all .25s ease;
  position: relative;
  line-height: 1.2;
}
.nav-link:hover {
  color: var(--primary);
  background: rgba(226, 35, 26, 0.08);
}
.nav-link.active {
  color: var(--primary);
  background: rgba(226, 35, 26, 0.12);
  font-weight: 700;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: 12px;
}
.search-box {
  display: flex;
  align-items: center;
  background: #f0f0f5;
  border-radius: 100px;
  padding: 0 16px;
  height: 40px;
  width: 180px;
  transition: width .3s ease, box-shadow .3s ease;
}
.search-box:focus-within {
  width: 230px;
  box-shadow: 0 0 0 3px rgba(226, 35, 26, 0.14);
  background: #fff;
}
.search-box i {
  color: #a0a0b0;
  font-size: 14px;
  margin-right: 8px;
}
.search-box input {
  background: transparent;
  border: none;
  width: 100%;
  font-size: 13px;
  color: var(--text);
}
.search-box input::placeholder {
  color: #a0a0b0;
}
.header-actions .btn {
  padding: 10px 22px;
  font-size: 14px;
}
.menu-toggle {
  display: none;
  background: var(--dark);
  color: #fff;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  cursor: pointer;
  margin-left: auto;
}
/* Page Banner */
.page-banner {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding: 120px 0 140px;
  overflow: hidden;
}
.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, rgba(20, 20, 32, 0.94) 10%, rgba(20, 20, 32, 0.72) 50%, rgba(20, 20, 32, 0.45) 100%);
  z-index: 1;
}
.page-banner::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(226, 35, 26, 0.28), transparent 70%);
  border-radius: 50%;
  z-index: 1;
}
.banner-content {
  position: relative;
  z-index: 2;
  color: #fff;
  max-width: 800px;
  padding: 32px 0;
}
.banner-content .badge {
  margin-bottom: 20px;
}
.banner-content h1 {
  font-size: clamp(34px, 6vw, 56px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.banner-content h1 span {
  color: var(--accent);
}
.banner-content p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.82);
  max-width: 620px;
  line-height: 1.8;
  margin-bottom: 32px;
}
.banner-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.banner-metrics {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  flex-wrap: wrap;
}
.banner-metrics .metric strong {
  display: block;
  font-size: 28px;
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
}
.banner-metrics .metric span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
}
/* Status Bar */
.status-bar {
  background: var(--dark);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 14px 0;
  margin-top: -56px;
  position: relative;
  z-index: 5;
  border-radius: 0 0 16px 16px;
  box-shadow: var(--shadow);
}
.status-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.status-dot {
  width: 10px;
  height: 10px;
  background: #3ddc84;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(61, 220, 132, 0.18);
  animation: pulse 2s infinite;
  flex-shrink: 0;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(61, 220, 132, 0.18); }
  50% { box-shadow: 0 0 0 8px rgba(61, 220, 132, 0.05); }
}
.status-text {
  color: #fff;
  font-size: 14px;
  font-weight: 600;
}
.status-meta {
  color: rgba(255, 255, 255, 0.55);
  font-size: 13px;
  margin-left: auto;
}
.status-theme {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  background: rgba(245, 197, 24, 0.12);
  padding: 6px 14px;
  border-radius: 100px;
}
/* Security Services */
.security-services {
  background: var(--bg);
  padding: var(--space-section) 0;
}
.service-card {
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 28px;
  height: 100%;
  border: 1px solid var(--border);
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
  cursor: default;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(226, 35, 26, 0.25);
}
.service-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 8px 20px rgba(226, 35, 26, 0.25);
}
.service-card h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 10px;
}
.service-card p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
}
.service-tag {
  display: inline-block;
  margin-top: 14px;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  background: rgba(226, 35, 26, 0.08);
  padding: 4px 12px;
  border-radius: 100px;
}
/* Security Steps */
.security-steps {
  background: var(--dark);
  position: relative;
  overflow: hidden;
  padding: var(--space-section) 0;
}
.security-steps::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: 0.12;
}
.security-steps .section-title,
.security-steps .section-desc {
  color: #fff;
}
.security-steps .section-label {
  background: rgba(245, 197, 24, 0.12);
  color: var(--accent);
}
.step-list {
  position: relative;
  z-index: 2;
  margin-top: 40px;
}
.step-item {
  display: flex;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  align-items: flex-start;
}
.step-item:last-child {
  border-bottom: none;
}
.step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  flex-shrink: 0;
  box-shadow: 0 8px 24px rgba(226, 35, 26, 0.3);
}
.step-body h3 {
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}
.step-body p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  line-height: 1.7;
}
.step-extra {
  margin-left: auto;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}
/* Hot Topics */
.hot-topics {
  background: var(--bg-alt);
  padding: var(--space-section) 0;
}
.topic-rank-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 22px 24px;
  background: var(--bg);
  border-radius: var(--radius);
  margin-bottom: 16px;
  border: 1px solid var(--border);
  transition: all .3s ease;
}
.topic-rank-card:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow);
  border-color: rgba(226, 35, 26, 0.2);
}
.topic-rank {
  font-size: 32px;
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 2px #ccccdd;
  line-height: 1;
  width: 56px;
  flex-shrink: 0;
}
.topic-rank-card:nth-child(1) .topic-rank { -webkit-text-stroke-color: var(--primary); }
.topic-rank-card:nth-child(2) .topic-rank { -webkit-text-stroke-color: var(--accent); }
.topic-rank-card:nth-child(3) .topic-rank { -webkit-text-stroke-color: #f59f5c; }
.topic-body {
  flex: 1;
}
.topic-body h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}
.topic-body span {
  font-size: 13px;
  color: var(--text-muted);
}
.topic-stat {
  text-align: right;
}
.topic-stat strong {
  display: block;
  font-size: 18px;
  color: var(--primary);
}
.topic-stat span {
  font-size: 12px;
  color: var(--text-muted);
}
/* News */
.security-news {
  background: var(--bg);
  padding: var(--space-section) 0;
}
.news-card {
  background: var(--bg-alt);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  height: 100%;
  transition: all .35s ease;
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.news-cover {
  position: relative;
  height: 180px;
  overflow: hidden;
}
.news-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.news-card:hover .news-cover img {
  transform: scale(1.06);
}
.news-cover .news-type {
  position: absolute;
  inset: auto auto 14px 14px;
  background: rgba(20, 20, 32, 0.82);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 100px;
}
.news-body {
  padding: 22px;
}
.news-body h3 {
  font-size: 16px;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.5;
  margin-bottom: 8px;
}
.news-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 14px;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #a0a0b0;
  font-size: 12px;
}
.news-meta i {
  font-size: 14px;
}
/* FAQ */
.faq-section {
  background: var(--bg-alt);
  padding: var(--space-section) 0;
}
.accordion-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow .3s ease;
}
.accordion-item.open {
  box-shadow: var(--shadow);
}
.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  transition: color .2s ease;
}
.accordion-header:hover {
  color: var(--primary);
}
.accordion-header i {
  color: var(--primary);
  font-size: 18px;
  transition: transform .3s ease;
  flex-shrink: 0;
}
.accordion-item.open .accordion-header i {
  transform: rotate(45deg);
}
.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .3s ease;
  padding: 0 24px;
}
.accordion-item.open .accordion-body {
  max-height: 320px;
  padding-bottom: 20px;
}
.accordion-body p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
}
/* CTA */
.cta-section {
  padding: var(--space-section) 0;
  background: var(--dark);
  background-image: linear-gradient(120deg, rgba(226, 35, 26, 0.2), transparent 60%), url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
}
.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 60px 30px;
  background: rgba(20, 20, 32, 0.55);
  backdrop-filter: blur(10px);
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.cta-inner h2 {
  color: #fff;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 900;
  margin-bottom: 14px;
}
.cta-inner p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 16px;
  max-width: 560px;
  margin: 0 auto 30px;
}
.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
/* Footer */
.site-footer {
  background: var(--dark);
  padding: 60px 0 0;
  color: rgba(255, 255, 255, 0.72);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 14px;
}
.footer-brand h3 i {
  color: var(--primary);
  font-size: 22px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.55);
  max-width: 320px;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.55);
  font-size: 14px;
  padding: 5px 0;
  transition: all .2s ease;
}
.footer-col a:hover {
  color: var(--accent);
  transform: translateX(4px);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}
/* Responsive */
@media screen and (max-width: 1024px) {
  .header-actions {
    display: none;
  }
  .main-nav {
    gap: 2px;
  }
  .nav-link {
    padding: 8px 12px;
    font-size: 13px;
  }
}
@media screen and (max-width: 768px) {
  :root {
    --space-section: 64px;
  }
  .menu-toggle {
    display: inline-flex;
  }
  .brand-logo span {
    font-size: 16px;
  }
  .header-inner {
    gap: 12px;
  }
  .main-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    display: none;
  }
  .main-nav.open {
    display: flex;
  }
  .nav-link {
    padding: 14px 16px;
    border-radius: 12px;
    font-size: 15px;
  }
  .banner-content h1 {
    font-size: 36px;
  }
  .banner-metrics {
    gap: 24px;
  }
  .status-meta {
    display: none;
  }
  .step-extra {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
  .topic-stat {
    display: none;
  }
}
@media screen and (max-width: 520px) {
  .header-actions {
    display: none;
  }
  .brand-logo i {
    width: 32px;
    height: 32px;
    font-size: 14px;
  }
  .brand-logo span {
    font-size: 14px;
  }
  .banner-actions .btn {
    width: 100%;
  }
  .banner-metrics .metric strong {
    font-size: 22px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}