/* roulang page: index */
:root {
  --deep: #0d1024;
  --deep2: #11162e;
  --footer: #070922;
  --brand: #5580F2;
  --brand-light: #5C8CFE;
  --brand-dark: #28366B;
  --cyan: #40E5E0;
  --amber: #FFB977;
  --main-text: #E8ECFF;
  --muted-text: #A2ABC7;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.08);
  --radius-card: 1.25rem;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--deep);
  color: var(--main-text);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

* {
  box-sizing: border-box;
}

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

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

button,
input {
  font: inherit;
}

.container {
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: 1rem;
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 6px;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  transition: background .35s ease, box-shadow .35s ease, border-color .35s ease;
  border-bottom: 1px solid transparent;
}

.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  transition: height .3s ease;
}

body.header-solid header {
  background: rgba(13, 16, 36, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: rgba(255, 255, 255, 0.06);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.22);
}

body.header-solid .header-inner {
  height: 60px;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: #F4F7FF;
}

.logo-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--cyan);
  box-shadow: 0 0 15px rgba(64, 229, 224, 0.85);
  flex: none;
}

.desktop-nav {
  display: none;
  align-items: center;
  gap: 0.35rem;
  margin-left: 2rem;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 0.9rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: #C4CBDD;
  border-radius: 999px;
  transition: color .2s, background .2s;
  position: relative;
}

.nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.nav-link.nav-active {
  color: #fff;
}

.nav-link.nav-active::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 2px;
  width: 24px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--brand), var(--cyan));
  box-shadow: 0 0 12px rgba(85, 128, 242, 0.45);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-left: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.75rem 1.4rem;
  border-radius: 0.9rem;
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.2;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #5C8CFE, #4A7CFE);
  color: #fff;
  box-shadow: 0 12px 28px rgba(85, 128, 242, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 38px rgba(85, 128, 242, 0.36), inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.btn-primary:active {
  transform: scale(0.97);
  box-shadow: inset 0 2px 12px rgba(0, 0, 0, 0.18);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(64, 229, 224, 0.35);
  color: #C9FFFB;
  backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  border-color: rgba(64, 229, 224, 0.75);
  background: rgba(64, 229, 224, 0.1);
  box-shadow: 0 0 24px rgba(64, 229, 224, 0.12);
}

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

.mobile-burger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
  cursor: pointer;
}

.mobile-burger svg {
  width: 20px;
  height: 20px;
}

.mobile-menu {
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  z-index: 59;
  background: rgba(7, 9, 34, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 1.5rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transform: translateY(-12px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s ease, transform .25s ease, visibility .25s;
}

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

.mobile-menu .mobile-nav-item {
  display: block;
  padding: 0.85rem 1rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.035);
  color: #E8ECFF;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.mobile-menu .mobile-nav-item.active {
  background: rgba(85, 128, 242, 0.16);
  color: #fff;
  border: 1px solid rgba(85, 128, 242, 0.25);
}

.hero {
  min-height: 100vh;
  padding: 8.5rem 0 5rem;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(115deg, rgba(13, 16, 36, 0.98) 20%, rgba(13, 16, 36, 0.78) 52%, rgba(17, 22, 46, 0.88) 100%), url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, #0d1024, transparent);
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(64, 229, 224, 0.14), rgba(85, 128, 242, 0.08) 45%, transparent 70%);
  right: -120px;
  top: 10%;
  pointer-events: none;
  filter: blur(14px);
}

.grid-lines {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 55% 40%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(circle at 55% 40%, #000 0%, transparent 75%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #C2D3FF;
  font-size: 0.86rem;
}

.hero-badge i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  display: inline-block;
  box-shadow: 0 0 8px var(--cyan);
}

.browser-panel {
  position: relative;
  width: 100%;
  max-width: 540px;
  margin-left: auto;
  border-radius: 1.6rem;
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.38), 0 0 60px rgba(85, 128, 242, 0.12);
  overflow: hidden;
  padding: 1.4rem;
}

.browser-panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
}

.browser-top {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 1.2rem;
}

.browser-top span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.browser-address {
  flex: 1;
  margin-left: 8px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 999px;
  padding: 0.3rem 1rem;
  font-size: 0.8rem;
  color: #AFC0DF;
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.browser-address .lock {
  font-size: 0.72rem;
  color: var(--cyan);
}

.mock-input {
  height: 46px;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.09);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  padding: 0 1rem;
  color: #8F9BB3;
  font-size: 0.84rem;
}

.mock-btn {
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, #5C8CFE, #4A7CFE);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 12px 30px rgba(85, 128, 242, 0.35);
}

.browser-panel .orb-small {
  position: absolute;
  right: -40px;
  bottom: -40px;
  width: 170px;
  height: 170px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(64, 229, 224, 0.2), transparent 70%);
  filter: blur(8px);
}

.stats-band {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(17, 22, 46, 0.5);
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2.8rem 1rem;
  border-right: 1px solid rgba(255, 255, 255, 0.05);
}

.stat-item:last-child {
  border-right: 0;
}

.stat-number {
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #fff;
  background: linear-gradient(135deg, #EAF0FF, #BFD3FF);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  color: #8995B5;
  font-size: 0.91rem;
  margin-top: 0.45rem;
}

.section-pad {
  padding: 5rem 0;
}

@media (min-width: 768px) {
  .section-pad {
    padding: 7rem 0;
  }
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--cyan);
  font-size: 0.94rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.section-eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan));
}

.section-title {
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  line-height: 1.3;
  font-weight: 700;
  color: #F5F8FF;
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
}

.section-sub {
  color: var(--muted-text);
  font-size: 1.02rem;
  max-width: 680px;
  line-height: 1.8;
}

.glass-card {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.035));
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-top-color: rgba(255, 255, 255, 0.16);
  border-radius: 1.25rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2), 0 0 40px rgba(80, 130, 255, 0.06);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}

.glass-card:hover {
  transform: translateY(-4px);
  border-color: rgba(64, 229, 224, 0.35);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.24), 0 0 50px rgba(64, 229, 224, 0.08);
}

.feature-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: linear-gradient(140deg, rgba(85, 128, 242, 0.22), rgba(64, 229, 224, 0.08));
  border: 1px solid rgba(85, 128, 242, 0.25);
  color: var(--cyan);
  font-size: 1.3rem;
  font-weight: 600;
}

.quick-card {
  position: relative;
  border-radius: 1.25rem;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: rgba(17, 22, 46, 0.72);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 225px;
  padding: 1.4rem;
  transition: transform .25s, border-color .25s, box-shadow .25s;
  isolation: isolate;
}

.quick-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.28;
  z-index: -2;
  transition: opacity .25s, transform .5s ease;
}

.quick-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(to top, rgba(13, 16, 36, 0.97) 8%, rgba(13, 16, 36, 0.72) 45%, rgba(17, 22, 46, 0.25) 100%);
  transition: opacity .25s;
}

.quick-card:hover {
  transform: translateY(-4px);
  border-color: rgba(64, 229, 224, 0.4);
  box-shadow: 0 20px 36px rgba(0, 0, 0, 0.26), 0 0 40px rgba(64, 229, 224, 0.06);
}

.quick-card:hover img {
  transform: scale(1.05);
  opacity: 0.36;
}

.news-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-left: 3px solid transparent;
  border-radius: 1rem;
  transition: background .2s, border-color .2s, border-left-color .2s, transform .2s;
  padding: 1.15rem 1.25rem;
}

.news-item:hover {
  background: rgba(255, 255, 255, 0.065);
  border-color: rgba(64, 229, 224, 0.2);
  border-left-color: var(--cyan);
  transform: translateX(4px);
}

.news-tag {
  display: inline-block;
  padding: 0.18rem 0.7rem;
  border-radius: 999px;
  background: rgba(85, 128, 242, 0.16);
  border: 1px solid rgba(85, 128, 242, 0.22);
  color: #BBD0FF;
  font-size: 0.76rem;
}

.news-date {
  font-size: 0.82rem;
  color: #7F8BAA;
}

.step-card {
  position: relative;
  padding: 2rem 1.6rem 1.8rem;
  border-radius: 1.4rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform .2s, border-color .2s, background .2s;
}

.step-card:hover {
  transform: translateY(-4px);
  border-color: rgba(85, 128, 242, 0.4);
  background: rgba(85, 128, 242, 0.06);
}

.step-num {
  position: absolute;
  top: 1.2rem;
  right: 1.3rem;
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, rgba(85, 128, 242, 0.5), rgba(64, 229, 224, 0.18));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.faq-item {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1.2rem;
  background: rgba(255, 255, 255, 0.035);
  transition: border-color .2s, background .2s;
  overflow: hidden;
}

.faq-item.open {
  border-color: rgba(64, 229, 224, 0.35);
  background: rgba(255, 255, 255, 0.06);
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.4rem;
  background: transparent;
  border: 0;
  text-align: left;
  color: #EDF1FF;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

.faq-q .faq-sign {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(85, 128, 242, 0.14);
  border: 1px solid rgba(85, 128, 242, 0.24);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  font-size: 1.05rem;
  transition: transform .3s ease, background .2s;
  flex: none;
}

.faq-item.open .faq-sign {
  transform: rotate(45deg);
  background: rgba(64, 229, 224, 0.18);
  border-color: rgba(64, 229, 224, 0.3);
}

.faq-a-wrap {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}

.faq-item.open .faq-a-wrap {
  max-height: 300px;
}

.faq-a {
  padding: 0 1.4rem 1.35rem;
  color: var(--muted-text);
  font-size: 0.95rem;
  line-height: 1.8;
}

.cta-zone {
  background: linear-gradient(135deg, rgba(40, 54, 107, 0.45), rgba(17, 22, 46, 0.9)), url('/assets/images/backpic/back-3.png') center/cover;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 1.6rem;
  padding: 2.5rem 2rem;
  position: relative;
  overflow: hidden;
}

.cta-zone::before {
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(64, 229, 224, 0.12), transparent 70%);
  right: -60px;
  top: -80px;
}

@media (min-width: 768px) {
  .cta-zone {
    padding: 4rem 4.5rem;
  }
}

footer {
  background: var(--footer);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 4.5rem 0 0;
}

.footer-title {
  color: #DCE3FF;
  font-weight: 600;
  font-size: 0.86rem;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.footer-link-list li {
  margin-bottom: 0.55rem;
}

.footer-link-list a {
  color: #8896B8;
  font-size: 0.92rem;
  transition: color .2s, padding-left .2s;
}

.footer-link-list a:hover {
  color: var(--cyan);
  padding-left: 4px;
}

.copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  margin-top: 3.5rem;
  padding: 1.5rem 0;
  font-size: 0.86rem;
  color: #5D6884;
}

@media (min-width: 768px) {
  .desktop-nav {
    display: flex;
  }

  .mobile-burger {
    display: none;
  }
}

/* roulang page: category1 */
:root {
            --bg-deep: #0d1024;
            --bg-soft: #11162e;
            --bg-footer: #070922;
            --brand: #5580F2;
            --brand-light: #5C8CFE;
            --accent: #40E5E0;
            --gold: #FFB977;
            --text-main: #F2F5FF;
            --text-dim: #9AA7C7;
            --border: rgba(255, 255, 255, 0.08);
            --glass: rgba(255, 255, 255, 0.045);
            --radius-lg: 20px;
            --radius-card: 16px;
            --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.24), 0 0 35px rgba(80, 130, 255, 0.08);
            --shadow-btn: 0 10px 24px rgba(85, 128, 242, 0.22);
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            background: var(--bg-deep);
            color: var(--text-main);
            font-family: var(--font-sans);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }
        body.no-scroll {
            overflow: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            outline: none;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            outline: none;
        }
        .container {
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .bg-grid {
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
            background-size: 64px 64px;
        }
        .glass-card {
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
            border: 1px solid var(--border);
            border-top: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-card);
            backdrop-filter: blur(14px);
            box-shadow: var(--shadow-card);
            transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
        }
        .glass-card:hover {
            transform: translateY(-5px);
            border-color: rgba(64, 229, 224, 0.35);
            box-shadow: 0 18px 38px rgba(0, 0, 0, 0.28), 0 0 38px rgba(64, 229, 224, 0.08);
        }
        .section-title {
            font-size: 34px;
            line-height: 1.35;
            font-weight: 700;
            letter-spacing: 0.02em;
            margin: 0;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-dim);
            margin-top: 10px;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border-radius: 999px;
            border: 1px solid rgba(85, 128, 242, 0.28);
            background: rgba(85, 128, 242, 0.12);
            color: #C7D5FF;
            font-size: 13px;
            padding: 4px 14px;
            letter-spacing: 0.06em;
        }
        .section-head {
            margin-bottom: 44px;
            max-width: 780px;
        }
        .nav-link {
            position: relative;
            font-size: 15px;
            color: #B7C0DA;
            padding: 10px 2px;
            margin: 0 14px;
            transition: color 0.3s ease;
        }
        .nav-link:hover {
            color: #fff;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 4px;
            width: 0;
            height: 3px;
            border-radius: 99px;
            background: linear-gradient(90deg, #40E5E0, #5580F2);
            transition: width 0.25s ease;
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-active {
            color: #fff;
        }
        .nav-active::after {
            width: 100%;
            background: linear-gradient(90deg, #40E5E0, #5580F2);
        }
        .site-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
        }
        .site-logo .logo-dot {
            display: inline-block;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #40E5E0;
            box-shadow: 0 0 12px rgba(64, 229, 224, 0.9);
        }
        #siteHeader {
            position: fixed;
            top: 0;
            left: 0;
            z-index: 60;
            width: 100%;
            height: 72px;
            transition: background 0.4s ease, height 0.4s ease, box-shadow 0.3s;
            border-bottom: 1px solid rgba(255, 255, 255, 0.02);
            background: rgba(13, 16, 36, 0.5);
            backdrop-filter: blur(16px);
        }
        #siteHeader.header-scrolled {
            height: 62px;
            background: rgba(13, 16, 33, 0.82);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 0 8px 26px rgba(0, 0, 0, 0.28);
        }
        .header-inner {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
        }
        .desktop-nav {
            display: none;
            align-items: center;
            margin-left: 18px;
            flex: 1;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            font-weight: 600;
            transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s;
            line-height: 1;
            vertical-align: middle;
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }
        .btn-primary {
            background: linear-gradient(135deg, #5C8CFE, #3A5FD0);
            color: #fff;
            box-shadow: 0 10px 24px rgba(85, 128, 242, 0.25);
            border: 1px solid rgba(255, 255, 255, 0.14);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 32px rgba(85, 128, 242, 0.36);
            background: linear-gradient(135deg, #6B99FF, #3F67D8);
        }
        .btn-primary:active {
            transform: translateY(0) scale(0.98);
        }
        .btn-ghost {
            background: rgba(255, 255, 255, 0.04);
            color: #D3E3FF;
            border: 1px solid rgba(64, 229, 224, 0.4);
            backdrop-filter: blur(6px);
        }
        .btn-ghost:hover {
            background: rgba(64, 229, 224, 0.12);
            border-color: rgba(64, 229, 224, 0.7);
            box-shadow: 0 0 22px rgba(64, 229, 224, 0.15);
            transform: translateY(-2px);
        }
        .mobile-burger {
            display: inline-flex;
            width: 42px;
            height: 42px;
            padding: 8px;
            border-radius: 12px;
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
            transition: background 0.2s;
        }
        .mobile-burger:hover {
            background: rgba(255, 255, 255, 0.12);
        }
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: 0;
            height: 100vh;
            z-index: 75;
            width: min(320px, 86vw);
            background: rgba(10, 12, 32, 0.97);
            backdrop-filter: blur(22px);
            transform: translateX(105%);
            transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
            border-left: 1px solid rgba(255, 255, 255, 0.08);
            padding: 26px 22px;
            overflow-y: auto;
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .drawer-close {
            position: absolute;
            right: 16px;
            top: 18px;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.04);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .drawer-links {
            margin-top: 68px;
            list-style: none;
            padding: 0;
        }
        .drawer-links li {
            margin-bottom: 10px;
        }
        .drawer-links a {
            display: block;
            padding: 14px 14px;
            border-radius: 14px;
            color: #C6CFE8;
            font-weight: 600;
            border: 1px solid transparent;
            transition: background 0.2s, color 0.2s;
        }
        .drawer-links a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }
        .drawer-links li.current a {
            color: #fff;
            background: rgba(85, 128, 242, 0.18);
            border-color: rgba(85, 128, 242, 0.28);
        }
        .drawer-mask {
            position: fixed;
            inset: 0;
            z-index: 70;
            background: rgba(2, 4, 15, 0.72);
            backdrop-filter: blur(4px);
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.35s ease, visibility 0.35s ease;
        }
        .drawer-mask.show {
            opacity: 1;
            visibility: visible;
        }
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding-top: 120px;
            background-color: #0b0e22;
            background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
            background-size: 64px 64px;
        }
        .hero-bg-wrap {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.46;
        }
        .hero-bg-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(13, 16, 36, 0.94) 10%, rgba(13, 16, 36, 0.76) 46%, rgba(13, 16, 36, 0.48) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 5;
        }
        .hero-overline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            border-radius: 999px;
            padding: 6px 16px;
            border: 1px solid rgba(64, 229, 224, 0.3);
            background: rgba(64, 229, 224, 0.06);
            font-size: 14px;
            color: #BFF8F5;
        }
        .hero-overline span {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #40E5E0;
            box-shadow: 0 0 12px #40E5E0;
        }
        .hero h1 {
            font-size: 50px;
            letter-spacing: 0.02em;
            line-height: 1.22;
            color: #fff;
            font-weight: 800;
            max-width: 720px;
            margin: 26px 0 0 0;
        }
        .hero-subtitle {
            color: #AEB6D3;
            font-size: 17px;
            max-width: 730px;
            margin-top: 22px;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            margin-top: 32px;
            color: #8E9BBE;
            font-size: 16px;
        }
        .hero-meta span {
            position: relative;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            margin-top: 38px;
        }
        .hero-badge-column {
            position: relative;
            z-index: 4;
            margin-top: 40px;
        }
        .hero-badge {
            display: flex;
            gap: 28px;
            align-items: center;
            flex-wrap: wrap;
        }
        .hero-badge .badge-item {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            color: #C6D3F0;
            font-size: 14px;
        }
        .hero-badge .badge-item svg {
            color: #40E5E0;
        }
        .hero-visual-card {
            position: relative;
            z-index: 4;
            border-radius: 30px;
            backdrop-filter: blur(10px);
            overflow: hidden;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.02) 42%);
            border: 1px solid rgba(255, 255, 255, 0.16);
            box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
            padding: 20px;
        }
        .hero-visual-card img {
            border-radius: 20px;
            width: 100%;
            height: 280px;
            object-fit: cover;
            box-shadow: 0 20px 45px rgba(0, 0, 0, 0.3);
        }
        .gate-line {
            position: absolute;
            width: 1px;
            height: 180px;
            right: 0;
            top: 0;
            background: linear-gradient(rgba(64, 229, 224, 0), rgba(64, 229, 224, 0.6));
            border-radius: 99px;
        }
        .mb-72 {
            margin-bottom: 60px;
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 48px;
        }
        .feature-card {
            padding: 24px 24px 22px;
        }
        .feature-icon {
            display: inline-flex;
            width: 48px;
            height: 48px;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            background: rgba(85, 128, 242, 0.16);
            border: 1px solid rgba(85, 128, 242, 0.22);
            color: #79A6FF;
            margin-bottom: 22px;
        }
        .feature-card h3 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 8px;
            color: #F2F5FF;
        }
        .feature-card p {
            color: #8E9BBE;
            font-size: 14px;
            line-height: 1.7;
            margin: 0;
        }
        .access-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
            margin-top: 34px;
        }
        .access-card {
            padding: 18px 16px;
            text-align: left;
        }
        .access-card .ico {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: rgba(64, 229, 224, 0.12);
            color: #40E5E0;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
        }
        .access-card h3 {
            font-size: 15px;
            font-weight: 700;
            margin: 0 0 6px;
            color: #DCE6FF;
        }
        .access-card p {
            font-size: 13px;
            color: #8B99BD;
            margin: 0;
            line-height: 1.65;
        }
        .stat-section {
            background: var(--bg-soft);
            border-block: 1px solid rgba(255, 255, 255, 0.04);
            padding: 54px 0;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-strong {
            font-size: 42px;
            font-weight: 750;
            color: #ffffff;
            letter-spacing: 0.01em;
            line-height: 1;
        }
        .stat-strong em {
            font-style: normal;
            color: #40E5E0;
            font-size: 28px;
            margin-left: 4px;
        }
        .stat-label {
            color: #9AA7C7;
            font-size: 15px;
            margin-top: 10px;
        }
        .device-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .device-media {
            border-radius: 22px;
            overflow: hidden;
            position: relative;
            box-shadow: 0 26px 60px rgba(0, 0, 0, 0.32);
            border: 1px solid var(--border);
        }
        .device-media img {
            height: 320px;
            width: 100%;
            object-fit: cover;
        }
        .device-content {
            padding-right: 20px;
        }
        .tick-list {
            list-style: none;
            padding: 0;
            margin: 18px 0 0;
        }
        .tick-list li {
            position: relative;
            padding-left: 34px;
            margin-bottom: 13px;
            color: #C0CAE6;
            line-height: 1.8;
            font-size: 15px;
        }
        .tick-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 9px;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: rgba(64, 229, 224, 0.12);
            border: 1px solid rgba(64, 229, 224, 0.4);
        }
        .tick-list li::after {
            content: '';
            position: absolute;
            left: 6px;
            top: 14px;
            width: 8px;
            height: 4px;
            border-left: 2px solid #40E5E0;
            border-bottom: 2px solid #40E5E0;
            transform: rotate(-45deg);
        }
        .flow-wrap {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 18px;
            counter-reset: flow-step;
        }
        .flow-card {
            counter-increment: flow-step;
            padding: 24px 18px 20px;
            border-radius: 18px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            position: relative;
            transition: transform 0.3s, border-color 0.3s;
        }
        .flow-card:hover {
            transform: translateY(-6px);
            border-color: rgba(85, 128, 242, 0.3);
        }
        .flow-card::before {
            content: '0' counter(flow-step);
            font-size: 32px;
            font-weight: 800;
            color: rgba(255, 255, 255, 0.08);
            display: block;
            line-height: 1;
        }
        .flow-card h3 {
            font-size: 15px;
            font-weight: 700;
            color: #E8EFFF;
            margin: 15px 0 7px;
        }
        .flow-card p {
            font-size: 13px;
            color: #8B99BD;
            margin: 0;
            line-height: 1.7;
        }
        .safe-wrap {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 26px;
            align-items: stretch;
        }
        .safe-card {
            padding: 24px;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.07);
        }
        .safe-card .safe-ic {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 13px;
            background: rgba(255, 185, 119, 0.12);
            color: #FFB977;
            margin-bottom: 14px;
        }
        .safe-card h3 {
            font-size: 17px;
            margin: 0 0 8px;
            color: #FFF0E3;
        }
        .safe-card p {
            font-size: 14px;
            color: #A9AFCC;
            margin: 0;
            line-height: 1.8;
        }
        .faq-box {
            max-width: 840px;
            margin: 40px auto 0;
        }
        .faq-item {
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: 18px;
            background: rgba(255, 255, 255, 0.035);
            margin-bottom: 14px;
            transition: border 0.3s, background 0.3s;
        }
        .faq-item.open {
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(64, 229, 224, 0.25);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            width: 100%;
            padding: 19px 20px;
            color: #E3E9FA;
            font-size: 16px;
            font-weight: 600;
            background: transparent;
            text-align: left;
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            min-width: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 9px;
            background: rgba(85, 128, 242, 0.18);
            color: #AED1FF;
            transition: transform 0.3s ease, background 0.3s;
        }
        .faq-item.open .faq-icon {
            transform: rotate(135deg);
            background: rgba(64, 229, 224, 0.22);
            color: #40E5E0;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.32, 0.72, 0.24, 1);
        }
        .faq-answer p {
            padding: 0 22px 20px;
            margin: 0;
            color: #99A7C7;
            font-size: 14px;
            line-height: 1.9;
        }
        .cta-section {
            position: relative;
            padding: 54px 0 64px;
            border-block: 1px solid rgba(85, 128, 242, 0.15);
        }
        .cta-inner {
            background:
                radial-gradient(circle at 1% 0%, rgba(64, 229, 224, 0.1), transparent 35%),
                radial-gradient(circle at 100% 100%, rgba(85, 128, 242, 0.14), transparent 40%),
                linear-gradient(145deg, #131b3b, #0b0f27);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 28px;
            overflow: hidden;
            padding: 48px 38px;
            position: relative;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .cta-inner h2 {
            color: #f2f5ff;
            font-size: 26px;
            margin: 0;
        }
        .cta-inner p {
            margin: 8px 0 0;
            color: #AAB6D6;
            font-size: 14px;
        }
        .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        footer {
            background: var(--bg-footer);
            padding-top: 64px;
            border-top: 1px solid rgba(255, 255, 255, 0.03);
        }
        .footer-title {
            color: #e7ecff;
            font-weight: 600;
            margin-bottom: 18px;
            font-size: 16px;
        }
        .footer-link-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-link-list li {
            margin-bottom: 12px;
            color: #7D89A8;
            font-size: 14px;
        }
        .footer-link-list a {
            color: #7D89A8;
            transition: color 0.3s;
        }
        .footer-link-list a:hover {
            color: #C6D6FF;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            margin-top: 46px;
            padding: 20px 0;
            color: #68738F;
            font-size: 14px;
            display: flex;
            justify-content: center;
        }
        .text-mist {
            color: var(--text-dim);
        }
        .text-mist-light {
            color: #99A7C7;
        }
        @media (min-width: 960px) {
            .desktop-nav {
                display: flex;
            }
            .mobile-burger {
                display: none;
            }
        }
        @media (max-width: 960px) {
            .hero h1 {
                font-size: 40px;
            }
            .section-title {
                font-size: 28px;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .access-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .device-split {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 30px 18px;
            }
            .flow-wrap {
                grid-template-columns: repeat(2, 1fr);
            }
            .safe-wrap {
                grid-template-columns: 1fr;
            }
            .cta-inner {
                padding: 36px 24px;
            }
        }
        @media (max-width: 640px) {
            body {
                font-size: 15px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero {
                padding-top: 118px;
            }
            .hero h1 {
                font-size: 31px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .section-head {
                margin-bottom: 30px;
            }
            .section-title {
                font-size: 24px;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .access-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .flow-wrap {
                grid-template-columns: 1fr;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px 14px;
            }
            .stat-strong {
                font-size: 30px;
            }
            .hero-visual-card {
                margin-top: 20px;
            }
            .faq-answer p {
                padding: 0 16px 18px;
            }
            .faq-question {
                padding: 16px 15px;
                font-size: 15px;
            }
            .cta-inner {
                padding: 30px 20px;
            }
            footer {
                padding-top: 44px;
            }
        }
        @media (max-width: 400px) {
            .access-grid {
                grid-template-columns: 1fr;
            }
            .hero-badge-column {
                display: none;
            }
            .stat-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: article */
:root {
            --bg-page: #0d1024;
            --bg-panel: #11162e;
            --bg-deep: #070922;
            --brand: #5580F2;
            --brand-light: #5C8CFE;
            --brand-deep: #28366B;
            --cyan: #40E5E0;
            --amber: #FFB977;
            --text-main: #edf1fc;
            --text-mut: #8b98b8;
            --border-w: rgba(255, 255, 255, 0.08);
            --glass-bg: rgba(255, 255, 255, 0.055);
            --radius-xl: 1.5rem;
            --radius-lg: 1.15rem;
            --radius-md: 0.75rem;
            --shadow-soft: 0 10px 25px rgba(0, 0, 0, 0.2), 0 0 30px rgba(80, 130, 255, 0.07);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg-page);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease, opacity 0.25s ease;
        }

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 3px;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        #siteHeader {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 90;
            background: rgba(9, 12, 28, 0.72);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        #siteHeader.scrolled {
            background: rgba(7, 9, 22, 0.95);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.3);
        }

        .header-inner {
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
        }

        .site-logo {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.18rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            color: #ffffff;
            white-space: nowrap;
            line-height: 1.2;
        }

        .logo-dot {
            width: 10px;
            height: 10px;
            border-radius: 999px;
            background: var(--cyan);
            box-shadow: 0 0 12px rgba(64, 229, 224, 0.75), 0 0 28px rgba(64, 229, 224, 0.3);
            flex-shrink: 0;
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 2rem;
            margin-left: 1rem;
        }

        .nav-link {
            position: relative;
            display: inline-block;
            font-size: 0.92rem;
            font-weight: 500;
            color: #c4cbe1;
            padding: 0.5rem 0;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: -4px;
            height: 3px;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--cyan), var(--brand));
            opacity: 0;
            transform: scaleX(0.5);
            transform-origin: left center;
            transition: opacity 0.25s ease, transform 0.25s ease;
        }

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

        .nav-link:hover::after,
        .nav-link.nav-active::after {
            opacity: 1;
            transform: scaleX(1);
        }

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

        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.85rem;
            margin-left: auto;
        }

        .mobile-burger {
            display: none;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            background: rgba(255, 255, 255, 0.05);
            color: #e6ecfa;
            cursor: pointer;
            transition: border-color 0.25s ease, background 0.25s ease, transform 0.2s ease;
        }

        .mobile-burger svg {
            width: 22px;
            height: 22px;
        }

        .mobile-burger:hover {
            border-color: rgba(64, 229, 224, 0.4);
            background: rgba(64, 229, 224, 0.08);
        }

        .mobile-burger.open {
            border-color: rgba(64, 229, 224, 0.65);
        }

        .mobile-menu-panel {
            position: fixed;
            top: 72px;
            right: 0;
            bottom: 0;
            z-index: 85;
            width: min(20rem, 86vw);
            background: rgba(8, 10, 24, 0.98);
            border-left: 1px solid rgba(255, 255, 255, 0.08);
            padding: 1.75rem 1.25rem;
            transform: translateX(105%);
            visibility: hidden;
            opacity: 0;
            transition: transform 0.35s ease, opacity 0.3s ease, visibility 0.35s;
            overflow-y: auto;
        }

        .mobile-menu-panel.open {
            transform: translateX(0);
            visibility: visible;
            opacity: 1;
        }

        .mobile-menu-links {
            display: grid;
            gap: 0.4rem;
        }

        .mobile-menu-links a {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 1rem 1.1rem;
            border-radius: 14px;
            color: #cfd6e8;
            font-weight: 600;
            font-size: 1rem;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid transparent;
        }

        .mobile-menu-links a:hover,
        .mobile-menu-links a.nav-active {
            color: #ffffff;
            background: rgba(64, 229, 224, 0.08);
            border-color: rgba(64, 229, 224, 0.2);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.55rem;
            border-radius: 0.85rem;
            padding: 0.8rem 1.4rem;
            border: 1px solid transparent;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
        }

        .btn-primary {
            background: linear-gradient(135deg, #4A7CFE, #2f5ad1);
            color: #ffffff;
            box-shadow: 0 8px 30px rgba(85, 128, 242, 0.18), 0 0 22px rgba(85, 128, 242, 0.1);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            background: linear-gradient(135deg, #5c8cf2, #3b6ae0);
            box-shadow: 0 14px 36px rgba(85, 128, 242, 0.3), 0 0 26px rgba(64, 229, 224, 0.1);
        }

        .btn-primary:active {
            transform: translateY(1px) scale(0.98);
            box-shadow: inset 0 2px 14px rgba(0, 0, 0, 0.2), 0 0 20px rgba(85, 128, 242, 0.14);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.04);
            border-color: rgba(64, 229, 224, 0.3);
            color: #dfeaff;
        }

        .btn-ghost:hover {
            background: rgba(64, 229, 224, 0.1);
            border-color: rgba(64, 229, 224, 0.62);
            color: #ffffff;
            transform: translateY(-2px);
        }

        .btn-ghost:active {
            transform: translateY(1px) scale(0.98);
        }

        .article-visual {
            position: relative;
            display: flex;
            align-items: center;
            min-height: 36rem;
            padding: 8.5rem 0 4rem;
            overflow: hidden;
            background: var(--bg-page);
        }

        .article-visual-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.35;
        }

        .article-visual::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 16, 36, 0.72) 0%, rgba(13, 16, 36, 0.84) 50%, rgba(13, 16, 36, 0.98) 100%);
            z-index: 1;
        }

        .article-visual::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: -1px;
            width: 110%;
            height: 160px;
            transform: translateX(-50%);
            background: radial-gradient(50% 100% at 50% 100%, rgba(64, 229, 224, 0.1), transparent 75%);
            z-index: 1;
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.55rem;
            color: #8b98b8;
            font-size: 0.85rem;
            margin-bottom: 1.6rem;
        }

        .breadcrumb a {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            color: #b6c2e0;
        }

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

        .breadcrumb i {
            font-size: 0.7rem;
            opacity: 0.8;
        }

        .article-panel {
            max-width: 980px;
            margin: 0 auto;
            padding: 2.25rem;
            border-radius: 1.75rem;
            background: rgba(255, 255, 255, 0.055);
            border: 1px solid rgba(255, 255, 255, 0.09);
            box-shadow: var(--shadow-soft), inset 0 1px 0 rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }

        .article-meta-top {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.75rem 1rem;
            margin-bottom: 1.1rem;
        }

        .article-category-badge,
        .article-time-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            padding: 0.35rem 0.8rem;
            border-radius: 999px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .article-category-badge {
            background: rgba(85, 128, 242, 0.15);
            border: 1px solid rgba(85, 128, 242, 0.3);
            color: #bcd0ff;
        }

        .article-time-badge {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #a3b1cc;
        }

        .article-panel h1 {
            margin: 0.4rem 0 1rem;
            font-size: clamp(1.75rem, 3.4vw, 2.65rem);
            line-height: 1.24;
            font-weight: 700;
            letter-spacing: -0.02em;
        }

        .article-summary {
            color: #a5b2ce;
            font-size: 1rem;
            line-height: 1.9;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            max-width: 860px;
        }

        .article-notfound {
            text-align: center;
            padding: 3rem 1.5rem;
        }

        .article-notfound h1 {
            margin: 0.5rem 0 1rem;
        }

        .article-main {
            width: 100%;
            max-width: 820px;
            margin: -1.5rem auto 0;
            position: relative;
            z-index: 3;
        }

        .reading-surface {
            padding: clamp(1.6rem, 4vw, 3.5rem);
            background: rgba(17, 22, 46, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 1.5rem;
            box-shadow: var(--shadow-soft), inset 0 1px 0 rgba(255, 255, 255, 0.1);
        }

        .post-content {
            color: #d5deef;
            font-size: 1.02rem;
            line-height: 1.9;
            word-break: break-word;
        }

        .post-content > *:first-child {
            margin-top: 0;
        }

        .post-content p {
            margin: 0 0 1.5rem;
        }

        .post-content h2 {
            margin: 2.6rem 0 1rem;
            font-size: 1.55rem;
            font-weight: 700;
            color: #f1f5ff;
            line-height: 1.4;
            letter-spacing: -0.02em;
        }

        .post-content h3 {
            margin: 2.2rem 0 0.8rem;
            font-size: 1.22rem;
            font-weight: 600;
            color: #e6ebf8;
            line-height: 1.5;
        }

        .post-content ul,
        .post-content ol {
            margin: 0 0 1.6rem;
            padding-left: 1.3rem;
        }

        .post-content li {
            margin-bottom: 0.5rem;
        }

        .post-content blockquote {
            margin: 0 0 1.6rem;
            padding: 1rem 1.3rem;
            border-left: 4px solid var(--cyan);
            background: rgba(64, 229, 224, 0.06);
            border-radius: 0.8rem;
            color: #c6d3ec;
        }

        .post-content img {
            margin: 2rem auto;
            border-radius: 1.25rem;
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35), 0 0 28px rgba(80, 130, 255, 0.08);
        }

        .article-return-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.9rem;
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.07);
        }

        .section-space {
            padding: 5.5rem 0;
        }

        @media (min-width: 768px) {
            .section-space {
                padding: 7rem 0;
            }
        }

        .related-section {
            position: relative;
            background: linear-gradient(180deg, rgba(13, 16, 36, 0.2), rgba(17, 22, 46, 0.48) 90%);
        }

        .related-card {
            display: flex;
            flex-direction: column;
            height: 100%;
            overflow: hidden;
            border-radius: 1.25rem;
            background: var(--glass-bg);
            border: 1px solid var(--border-w);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .related-card:hover {
            transform: translateY(-5px);
            background: rgba(255, 255, 255, 0.065);
            border-color: rgba(64, 229, 224, 0.28);
            box-shadow: 0 18px 38px rgba(0, 0, 0, 0.25), 0 0 28px rgba(64, 229, 224, 0.06);
        }

        .related-thumb {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
        }

        .related-body {
            display: flex;
            flex: 1;
            flex-direction: column;
            padding: 1.3rem 1.5rem 1.6rem;
        }

        .related-body h3 {
            margin: 0 0 0.6rem;
            font-size: 1.1rem;
            font-weight: 700;
            line-height: 1.5;
            color: #eef2ff;
        }

        .related-body p {
            margin: 0 0 1.25rem;
            font-size: 0.9rem;
            line-height: 1.8;
            color: #93a1c0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .tag-line {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.6rem 1rem;
            color: #71809f;
            font-size: 0.82rem;
        }

        .tag-line .dot {
            width: 6px;
            height: 6px;
            border-radius: 999px;
            background: var(--cyan);
        }

        .missing-card {
            max-width: 660px;
            margin: 0 auto;
        }

        .cta-zone {
            position: relative;
            padding: 5.5rem 0;
            background: linear-gradient(180deg, rgba(9, 12, 28, 0.4), transparent), var(--bg-page);
        }

        .cta-zone::before {
            content: "";
            position: absolute;
            inset: 0;
            background:
                radial-gradient(640px 220px at 50% 100%, rgba(64, 229, 224, 0.1), transparent 100%),
                linear-gradient(90deg, transparent, rgba(85, 128, 242, 0.18), transparent);
            pointer-events: none;
        }

        .cta-card {
            position: relative;
            max-width: 860px;
            margin: 0 auto;
            text-align: center;
            padding: 3rem 2rem;
            border-radius: 2rem;
            background: rgba(20, 26, 48, 0.65);
            border: 1px solid rgba(255, 255, 255, 0.07);
            box-shadow: var(--shadow-soft), inset 0 1px 0 rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        footer {
            background: var(--bg-deep);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 4.5rem 0 2rem;
        }

        .footer-title {
            color: #ffffff;
            font-size: 0.98rem;
            font-weight: 700;
            margin: 0 0 1.1rem;
            letter-spacing: 0.03em;
        }

        .footer-link-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: grid;
            gap: 0.7rem;
        }

        .footer-link-list a,
        .footer-link-list li {
            color: #8593b3;
            font-size: 0.9rem;
            transition: color 0.25s ease;
        }

        .footer-link-list a:hover {
            color: var(--cyan);
        }

        .copyright {
            margin-top: 3rem;
            padding-top: 1.6rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            color: #5f6d8c;
            font-size: 0.85rem;
            text-align: center;
        }

        @media (max-width: 900px) {
            .desktop-nav {
                display: none;
            }

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

        @media (max-width: 640px) {
            .header-inner {
                height: 64px;
            }

            #siteHeader.scrolled {
                background: rgba(7, 9, 22, 0.95);
            }

            .article-visual {
                min-height: auto;
                padding: 6.5rem 0 3rem;
            }

            .article-panel {
                padding: 1.5rem 1.2rem;
                border-radius: 1.4rem;
            }

            .reading-surface {
                padding: 1.5rem 1.2rem;
                border-radius: 1.2rem;
            }

            .post-content {
                font-size: 0.98rem;
            }

            .cta-card {
                padding: 2.4rem 1.3rem;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                transition: none !important;
                animation: none !important;
            }
        }

/* roulang page: category2 */
:root {
    --bg-primary: #0d1024;
    --bg-secondary: #11162e;
    --bg-footer: #070922;
    --clr-brand: #5580F2;
    --clr-brand-light: #5c8cfe;
    --clr-brand-deep: #28366b;
    --clr-accent: #40E5E0;
    --clr-amber: #FFB977;
    --clr-text: #F2F5FB;
    --clr-text-2: #B9C3DF;
    --clr-muted: #7D89A8;
    --border-soft: rgba(255, 255, 255, .08);
    --glass-bg: rgba(255, 255, 255, .05);
    --radius-xs: 8px;
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --shadow-card: 0 18px 45px rgba(0, 0, 0, .24), 0 0 30px rgba(80, 130, 255, .05);
    --shadow-glow: 0 20px 50px rgba(0, 0, 0, .30), 0 0 34px rgba(80, 130, 255, .10);
    --transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease, background .3s ease;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    background: var(--bg-primary);
    color: var(--clr-text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
  }

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

  a, button, input, textarea, select {
    transition: color .25s ease, background .25s ease, border-color .25s ease, box-shadow .25s ease, opacity .25s ease, transform .25s ease;
  }

  a:focus-visible, button:focus-visible {
    outline: 2px solid var(--clr-accent);
    outline-offset: 3px;
    border-radius: 6px;
  }

  ::selection {
    background: rgba(85, 128, 242, .35);
    color: #fff;
  }

  .container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 20px;
  }

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

  .section-pad {
    padding: 6rem 0;
  }

  @media (min-width: 1024px) {
    .section-pad {
      padding: 8rem 0;
    }
  }

  /* 导航 */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(13, 16, 36, .72);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid transparent;
    transition: background .3s ease, border-color .3s ease, box-shadow .3s ease, backdrop-filter .3s ease;
  }

  .site-header.scrolled {
    background: rgba(8, 10, 26, .92);
    border-bottom-color: rgba(255, 255, 255, .06);
    box-shadow: 0 10px 32px rgba(0, 0, 0, .28);
  }

  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.25rem;
    min-height: 72px;
  }

  .site-logo {
    display: inline-flex;
    align-items: center;
    gap: .65rem;
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: .02em;
    color: #fff;
    white-space: nowrap;
  }

  .site-logo .logo-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--clr-accent);
    box-shadow: 0 0 16px rgba(64, 229, 224, .9);
    flex-shrink: 0;
  }

  .desktop-nav {
    display: flex;
    align-items: center;
    gap: .3rem;
  }

  .nav-link {
    display: inline-flex;
    align-items: center;
    position: relative;
    padding: .6rem .95rem;
    font-size: .95rem;
    font-weight: 500;
    color: #AAB6D6;
    border-radius: 10px;
    letter-spacing: .01em;
  }

  .nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, .04);
  }

  .nav-link.nav-active {
    color: #fff;
    font-weight: 600;
  }

  .nav-link.nav-active::after {
    content: "";
    position: absolute;
    left: .95rem;
    right: .95rem;
    bottom: .18rem;
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--clr-brand-light), var(--clr-accent));
    box-shadow: 0 0 14px rgba(85, 128, 242, .55);
  }

  .mobile-burger {
    display: none;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    color: #fff;
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .1);
  }

  .mobile-burger:hover {
    background: rgba(255, 255, 255, .12);
  }

  @media (max-width: 900px) {
    .desktop-nav {
      display: none;
      position: absolute;
      top: calc(100% + 8px);
      left: 16px;
      right: 16px;
      flex-direction: column;
      align-items: stretch;
      gap: .25rem;
      background: rgba(7, 9, 26, .98);
      border: 1px solid rgba(255, 255, 255, .1);
      border-radius: 20px;
      padding: .9rem;
      box-shadow: 0 24px 70px rgba(0, 0, 0, .45);
      backdrop-filter: blur(20px);
    }

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

    .nav-link {
      padding: .8rem 1rem;
      border-radius: 12px;
    }

    .nav-link.nav-active::after {
      left: 1rem;
      right: auto;
      width: 46px;
      bottom: .45rem;
    }

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

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .45rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    padding: .75rem 1.5rem;
    cursor: pointer;
    text-decoration: none;
    border: 1px solid transparent;
    line-height: 1.2;
  }

  .btn-primary {
    background: linear-gradient(135deg, #5C8CFE, #3A63D6);
    color: #fff;
    border-color: rgba(255, 255, 255, .14);
    box-shadow: 0 0 22px rgba(85, 128, 242, .22), 0 12px 26px rgba(0, 0, 0, .18);
  }

  .btn-primary:hover {
    filter: brightness(1.06);
    transform: translateY(-2px);
    box-shadow: 0 0 34px rgba(85, 128, 242, .35), 0 16px 32px rgba(0, 0, 0, .22);
  }

  .btn-primary:active {
    transform: translateY(0) scale(.98);
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, .18);
  }

  .btn-secondary {
    background: rgba(255, 255, 255, .045);
    border-color: rgba(64, 229, 224, .45);
    color: #DCFAFF;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .08);
  }

  .btn-secondary:hover {
    background: rgba(64, 229, 224, .12);
    border-color: var(--clr-accent);
    box-shadow: 0 0 28px rgba(64, 229, 224, .14);
    transform: translateY(-2px);
  }

  .btn-secondary:active {
    transform: translateY(0) scale(.98);
  }

  /* Hero */
  .hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 90px;
    overflow: hidden;
    isolation: isolate;
  }

  .hero-bg {
    position: absolute;
    inset: 0;
    z-index: -2;
    background-size: cover;
    background-position: center;
    opacity: .5;
    transform: scale(1.02);
  }

  .hero-dark-overlay {
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
      linear-gradient(180deg, rgba(13, 16, 36, .95) 0%, rgba(13, 16, 36, .88) 45%, rgba(13, 16, 36, .92) 100%),
      radial-gradient(620px 320px at 85% 20%, rgba(85, 128, 242, .25), transparent 70%),
      radial-gradient(520px 300px at 12% 78%, rgba(64, 229, 224, .12), transparent 65%);
  }

  .hero-grid-lines {
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image:
      linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, .8), transparent 80%);
  }

  .hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    padding: .45rem 1rem;
    border-radius: 999px;
    border: 1px solid rgba(85, 128, 242, .35);
    background: rgba(13, 16, 36, .7);
    color: #BAC6E4;
    font-size: .82rem;
    letter-spacing: .12em;
    text-shadow: 0 0 18px rgba(85, 128, 242, .4);
  }

  .hero-eyebrow .hero-eyebrow-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--clr-accent);
    box-shadow: 0 0 10px rgba(64, 229, 224, .85);
  }

  .hero-title {
    font-size: clamp(2.4rem, 5.6vw, 4.2rem);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -.02em;
    color: #fff;
    text-shadow: 0 6px 38px rgba(0, 0, 0, .35);
  }

  .hero-title .title-accent {
    background: linear-gradient(135deg, #C7D8FF, #77E8FF);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }

  .hero-lead {
    margin-top: 1.5rem;
    font-size: 1.06rem;
    line-height: 1.9;
    color: var(--clr-text-2);
    max-width: 590px;
  }

  .hero-actions {
    margin-top: 2.2rem;
    display: flex;
    flex-wrap: wrap;
    gap: .85rem;
  }

  .hero-hint {
    margin-top: 2rem;
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    font-size: .9rem;
    color: var(--clr-muted);
  }

  .hero-hint-line {
    width: 34px;
    height: 1px;
    background: rgba(255, 255, 255, .25);
    position: relative;
    overflow: hidden;
  }

  .hero-hint-line::after {
    content: "";
    position: absolute;
    left: -50%;
    top: 0;
    bottom: 0;
    width: 60%;
    background: linear-gradient(90deg, transparent, var(--clr-accent), transparent);
    animation: hintFlow 2.4s ease-in-out infinite;
  }

  @keyframes hintFlow {
    0%, 100% { transform: translateX(0); opacity: 0; }
    40% { opacity: 1; }
    80% { transform: translateX(160%); opacity: 0; }
  }

  .portal-card-wrap {
    position: relative;
    width: min(430px, 94%);
    margin-left: auto;
  }

  .portal-glow-a {
    position: absolute;
    width: 240px;
    height: 240px;
    right: -90px;
    top: -90px;
    background: rgba(85, 128, 242, .35);
    border-radius: 50%;
    filter: blur(100px);
    z-index: -1;
  }

  .portal-glow-b {
    position: absolute;
    width: 180px;
    height: 180px;
    left: -80px;
    bottom: -40px;
    background: rgba(64, 229, 224, .2);
    border-radius: 50%;
    filter: blur(80px);
    z-index: -1;
  }

  .portal-card {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 28px;
    padding: 2.2rem 1.9rem;
    background: linear-gradient(145deg, rgba(255, 255, 255, .09), rgba(17, 22, 46, .55));
    backdrop-filter: blur(18px);
    box-shadow: 0 26px 70px rgba(0, 0, 0, .35), inset 0 1px 0 rgba(255, 255, 255, .2);
  }

  .portal-card::after {
    content: "";
    position: absolute;
    inset: -45% -20% auto;
    height: 70%;
    background: radial-gradient(closest-side, rgba(85, 128, 242, .18), transparent);
    pointer-events: none;
  }

  .portal-topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 1.3rem;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
  }

  .portal-title {
    display: flex;
    align-items: center;
    gap: .65rem;
    font-weight: 700;
    font-size: 1.05rem;
    color: #fff;
  }

  .portal-pulse {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--clr-accent);
    box-shadow: 0 0 0 0 rgba(64, 229, 224, .6);
    animation: pulse 2s infinite;
  }

  @keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(64, 229, 224, .5); }
    70% { box-shadow: 0 0 0 12px rgba(64, 229, 224, 0); }
    100% { box-shadow: 0 0 0 0 rgba(64, 229, 224, 0); }
  }

  .portal-state {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    color: #7FE9DF;
    font-size: .78rem;
    background: rgba(64, 229, 224, .1);
    border: 1px solid rgba(64, 229, 224, .25);
    border-radius: 999px;
    padding: .25rem .65rem;
  }

  .portal-check-list {
    margin-top: 1.35rem;
    display: grid;
    gap: .8rem;
  }

  .portal-check-item {
    display: flex;
    align-items: flex-start;
    gap: .7rem;
    color: #D5DFF5;
    font-size: .9rem;
    line-height: 1.55;
  }

  .portal-check-icon {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(64, 229, 224, .12);
    border: 1px solid rgba(64, 229, 224, .3);
    color: #7FE9DF;
    font-size: .7rem;
    margin-top: .1rem;
  }

  .portal-link {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    margin-top: 1.5rem;
    color: #AFC1F2;
    font-size: .88rem;
    font-weight: 500;
  }

  .portal-link:hover {
    color: #fff;
    gap: .8rem;
  }

  .scroll-hint {
    position: absolute;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .45rem;
    color: #7786A8;
    font-size: .75rem;
    letter-spacing: .16em;
  }

  .scroll-hint .mouse-line {
    width: 1px;
    height: 42px;
    background: rgba(255, 255, 255, .14);
    position: relative;
    overflow: hidden;
  }

  .scroll-hint .mouse-line::after {
    content: "";
    position: absolute;
    width: 1px;
    height: 16px;
    top: -16px;
    left: 0;
    background: var(--clr-accent);
    animation: scrollLine 2s ease-in-out infinite;
  }

  @keyframes scrollLine {
    0% { transform: translateY(0); opacity: 0; }
    40% { opacity: 1; }
    100% { transform: translateY(58px); opacity: 0; }
  }

  .section-badge {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    padding: .42rem .95rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, .045);
    border: 1px solid rgba(255, 255, 255, .1);
    color: #AEBBD8;
    font-size: .82rem;
    letter-spacing: .05em;
    font-weight: 500;
  }

  .page-category-2 .section-badge {
    color: #FFDFBE;
    border-color: rgba(255, 185, 119, .3);
    background: rgba(255, 185, 119, .07);
  }

  .page-category-2 .section-badge .badge-dot {
    background: var(--clr-amber);
    box-shadow: 0 0 10px rgba(255, 185, 119, .8);
  }

  .badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--clr-accent);
    box-shadow: 0 0 10px rgba(64, 229, 224, .75);
  }

  .section-title {
    font-size: clamp(1.75rem, 3vw, 2.55rem);
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -.015em;
    color: #fff;
    margin-top: 1.1rem;
  }

  .section-lead {
    margin-top: .95rem;
    font-size: 1rem;
    line-height: 1.85;
    color: var(--clr-text-2);
    max-width: 720px;
  }

  .card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.6rem;
    margin-top: 3rem;
  }

  @media (max-width: 960px) {
    .card-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (max-width: 640px) {
    .card-grid {
      grid-template-columns: 1fr;
    }
  }

  .glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--border-soft);
    border-radius: 20px;
    box-shadow: var(--shadow-card);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    padding: 1.8rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
  }

  .glass-card::before {
    content: "";
    position: absolute;
    left: 1.2rem;
    right: 1.2rem;
    top: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .25), transparent);
  }

  .glass-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 185, 119, .38);
    box-shadow: 0 24px 60px rgba(0, 0, 0, .3), 0 0 34px rgba(255, 185, 119, .08);
  }

  .card-icon {
    width: 52px;
    height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background: linear-gradient(145deg, rgba(85, 128, 242, .22), rgba(85, 128, 242, .1));
    border: 1px solid rgba(85, 128, 242, .28);
    color: #A9C4FF;
    box-shadow: 0 0 20px rgba(85, 128, 242, .12);
    margin-bottom: 1.3rem;
  }

  .page-category-2 .glass-card .card-icon {
    background: linear-gradient(145deg, rgba(255, 185, 119, .2), rgba(255, 185, 119, .08));
    border-color: rgba(255, 185, 119, .28);
    color: #FFD6AC;
    box-shadow: 0 0 20px rgba(255, 185, 119, .1);
  }

  .card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: .65rem;
  }

  .card-text {
    font-size: .93rem;
    line-height: 1.75;
    color: var(--clr-text-2);
  }

  .stat-band {
    background: var(--bg-secondary);
    border-top: 1px solid rgba(255, 255, 255, .05);
    border-bottom: 1px solid rgba(255, 255, 255, .05);
    padding: 3rem 0;
  }

  .stat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }

  @media (max-width: 768px) {
    .stat-grid {
      grid-template-columns: 1fr;
      gap: 1.25rem;
    }
  }

  .stat-item {
    display: flex;
    align-items: flex-start;
    gap: 1.15rem;
  }

  .stat-number {
    font-size: 2.5rem;
    line-height: 1;
    font-weight: 800;
    letter-spacing: -.03em;
    background: linear-gradient(135deg, #fff, #93B4FF);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }

  .stat-label {
    color: var(--clr-text-2);
    font-size: .92rem;
    line-height: 1.6;
    margin-top: .15rem;
  }

  .stat-divider {
    width: 1px;
    height: 60px;
    background: rgba(255, 255, 255, .08);
  }

  @media (max-width: 768px) {
    .stat-divider {
      display: none;
    }
  }

  .split-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
    align-items: center;
  }

  @media (max-width: 900px) {
    .split-block {
      grid-template-columns: 1fr;
      gap: 2.25rem;
    }
  }

  .image-cover {
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, .1);
    box-shadow: 0 24px 60px rgba(0, 0, 0, .3), 0 0 40px rgba(80, 130, 255, .1);
    overflow: hidden;
    position: relative;
  }

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

  .image-shade {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(13, 16, 36, .3), transparent 45%);
    pointer-events: none;
  }

  .check-list {
    display: grid;
    gap: .85rem;
    margin-top: 1.4rem;
  }

  .check-item {
    display: flex;
    align-items: flex-start;
    gap: .75rem;
    color: #C6D2E9;
    line-height: 1.7;
    font-size: .95rem;
  }

  .check-dot {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    margin-top: .28rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(64, 229, 224, .12);
    border: 1px solid rgba(64, 229, 224, .35);
    color: #8DE8E2;
    font-size: .65rem;
  }

  .scene-card {
    padding: 2rem 1.8rem;
  }

  .scene-tag {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    margin-top: 1.2rem;
    color: var(--clr-amber);
    font-size: .83rem;
    font-weight: 500;
  }

  /* 流程 */
  .process-section {
    position: relative;
  }

  .process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.6rem;
    margin-top: 3rem;
    counter-reset: process;
  }

  @media (max-width: 960px) {
    .process-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (max-width: 560px) {
    .process-grid {
      grid-template-columns: 1fr;
    }
  }

  .process-card {
    position: relative;
    border-radius: 22px;
    padding: 1.9rem 1.5rem 1.6rem;
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(255, 255, 255, .08);
    backdrop-filter: blur(10px);
    transition: var(--transition);
  }

  .process-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 185, 119, .35);
    box-shadow: 0 22px 55px rgba(0, 0, 0, .28), 0 0 26px rgba(255, 185, 119, .08);
  }

  .process-number {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
    color: rgba(255, 185, 119, .55);
    background: linear-gradient(135deg, #FFB977, rgba(255, 185, 119, .5));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: block;
    margin-bottom: 1.1rem;
  }

  .process-card-title {
    font-size: 1.08rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: .55rem;
  }

  .process-card-text {
    font-size: .88rem;
    color: var(--clr-text-2);
    line-height: 1.75;
  }

  .process-connector {
    display: none;
  }

  @media (min-width: 961px) {
    .process-connector {
      display: block;
      position: absolute;
      top: 50%;
      right: -1.1rem;
      width: 1rem;
      height: 1px;
      background: linear-gradient(90deg, rgba(255, 185, 119, .45), transparent);
      z-index: 1;
    }
  }

  /* 自查 */
  .checklist-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2.5rem;
  }

  @media (max-width: 800px) {
    .checklist-wrap {
      grid-template-columns: 1fr;
    }
  }

  .checklist-card {
    background: rgba(17, 22, 46, .55);
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: 24px;
    padding: 2rem;
  }

  .checklist-title {
    display: flex;
    align-items: center;
    gap: .65rem;
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1.2rem;
  }

  .checklist-item {
    display: flex;
    gap: .8rem;
    padding: .6rem 0;
    color: #C0CCE4;
    font-size: .93rem;
    line-height: 1.65;
  }

  .checklist-index {
    color: var(--clr-amber);
    font-weight: 700;
    font-size: .85rem;
    padding-top: .25rem;
  }

  /* FAQ */
  .faq-wrap {
    margin-top: 2.5rem;
    max-width: 900px;
    display: grid;
    gap: 1rem;
  }

  .faq-item {
    background: rgba(255, 255, 255, .045);
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: 18px;
    overflow: hidden;
    transition: border-color .3s ease, box-shadow .3s ease, background .3s ease;
  }

  .faq-item.open {
    border-color: rgba(255, 185, 119, .3);
    background: rgba(255, 255, 255, .065);
    box-shadow: 0 0 30px rgba(255, 185, 119, .06);
  }

  .faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.2rem;
    text-align: left;
    padding: 1.25rem 1.45rem;
    color: #EAEFFB;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    background: transparent;
    border: 0;
  }

  .faq-question:hover {
    color: #fff;
  }

  .faq-icon {
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 185, 119, .1);
    border: 1px solid rgba(255, 185, 119, .3);
    color: var(--clr-amber);
    font-size: 1rem;
    transition: transform .3s ease, background .3s ease;
  }

  .faq-item.open .faq-icon {
    transform: rotate(45deg);
    background: rgba(255, 185, 119, .2);
  }

  .faq-answer-wrap {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height .4s ease, opacity .3s ease, padding .3s ease;
  }

  .faq-item.open .faq-answer-wrap {
    max-height: 360px;
    opacity: 1;
  }

  .faq-answer {
    padding: 0 1.45rem 1.35rem;
    color: #AEBBD8;
    font-size: .92rem;
    line-height: 1.85;
  }

  /* CTA */
  .cta-section {
    background: linear-gradient(135deg, #11162e, #0b0e22 70%);
    border-top: 1px solid rgba(255, 255, 255, .05);
    border-bottom: 1px solid rgba(255, 255, 255, .05);
  }

  .cta-block {
    background: linear-gradient(145deg, rgba(17, 22, 46, .7), rgba(13, 16, 36, .8));
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 30px;
    padding: 3rem;
    box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, .12);
    position: relative;
    overflow: hidden;
  }

  @media (max-width: 640px) {
    .cta-block {
      padding: 2.2rem 1.5rem;
    }
  }

  .cta-block::before {
    content: "";
    position: absolute;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: rgba(85, 128, 242, .18);
    filter: blur(120px);
    top: -180px;
    right: -80px;
    pointer-events: none;
  }

  /* 页脚 */
  footer {
    background: var(--bg-footer);
    border-top: 1px solid rgba(255, 255, 255, .06);
    padding: 4.5rem 0 2.2rem;
    margin-top: 0;
  }

  .footer-title {
    color: #fff;
    font-weight: 600;
    font-size: .95rem;
    letter-spacing: .04em;
    margin-bottom: 1rem;
  }

  .footer-link-list {
    display: grid;
    gap: .15rem;
    list-style: none;
    padding: 0;
  }

  .footer-link-list li {
    color: #7D89A8;
    font-size: .88rem;
    padding: .35rem 0;
    line-height: 1.6;
  }

  .footer-link-list a {
    color: #7D89A8;
    text-decoration: none;
  }

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

  .copyright {
    border-top: 1px solid rgba(255, 255, 255, .07);
    margin-top: 2.4rem;
    padding-top: 1.6rem;
    color: #5E6B8E;
    font-size: .82rem;
  }

  .copyright a {
    color: #7D89A8;
    text-decoration: none;
  }

  .copyright a:hover {
    color: #c7d5f5;
  }

  @media (max-width: 640px) {
    .hero-actions .btn {
      width: 100%;
    }

    .hero-actions {
      width: 100%;
    }

    .footer-link-list li, .copyright {
      font-size: .8rem;
    }
  }