/* ==================== RESET & BASE ==================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  font-size: 15px;
  line-height: 1.75;
  color: #FFFFFF;
  background: #0B1026;
  min-height: 100vh;
}

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

ul,
ol {
  list-style: none;
}

a {
  color: #8B5CF6;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #C4B5FD;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

address {
  font-style: normal;
}

:focus-visible {
  outline: 2px solid #FBBF24;
  outline-offset: 3px;
}

::selection {
  background: rgba(139, 92, 246, 0.35);
  color: #FFFFFF;
}

[hidden] {
  display: none !important;
}

/* ==================== CSS 变量 ==================== */
:root {
  --c-space: #0B1026;
  --c-indigo: #2D2A5A;
  --c-neon: #8B5CF6;
  --c-gold: #FBBF24;
  --c-wine: #9F1239;
  --c-slate: #94A3B8;
  --c-white: #FFFFFF;
  --c-lavender: #C4B5FD;
  --c-ink: #070B1C;
  --font-display: 'Orbitron', 'Rajdhani', 'Agency FB', 'PingFang SC', 'Noto Sans SC', sans-serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --header-h: 64px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --glow-neon: 0 0 16px rgba(139, 92, 246, 0.35);
  --glow-gold: 0 0 12px rgba(251, 191, 36, 0.3);
  --border-neon: rgba(139, 92, 246, 0.35);
}

@media (min-width: 900px) {
  :root {
    --header-h: 72px;
  }
}

/* ==================== 基础工具类 ==================== */
.site-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: -100%;
  left: 16px;
  z-index: 2000;
  background: #8B5CF6;
  color: #FFFFFF;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 0 0 6px 6px;
  transition: top 0.2s ease;
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
}

.skip-link:focus-visible {
  top: 0;
}

.site-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

@media (min-width: 768px) {
  .site-container {
    padding: 0 24px;
  }
}

#main-content {
  scroll-margin-top: var(--header-h);
}

/* ==================== 头部 ==================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.site-header[data-scrolled="true"] {
  background: rgba(11, 16, 38, 0.95);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom-color: rgba(139, 92, 246, 0.35);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 20px;
  position: relative;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  line-height: 1;
}

.site-header__logo {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 2px solid #FBBF24;
  border-radius: 5px;
  color: #FBBF24;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.05em;
  box-shadow: 0 0 12px rgba(251, 191, 36, 0.3);
  text-shadow: 0 0 10px rgba(251, 191, 36, 0.5);
  transform: skewX(-6deg);
  transition: box-shadow 0.3s ease, background 0.3s ease;
}

.site-header__brand:hover .site-header__logo {
  box-shadow: 0 0 20px rgba(251, 191, 36, 0.5);
  background: rgba(251, 191, 36, 0.08);
}

.site-header__brand-text {
  font-size: 16px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.08em;
  white-space: nowrap;
  transition: color 0.3s ease;
}

.site-header__brand:hover .site-header__brand-text {
  color: #FBBF24;
}

/* ==================== 导航 ==================== */
.site-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #0B1026;
  border-bottom: 1px solid #8B5CF6;
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}

.site-nav[data-open="true"] {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.site-nav__list {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 16px 24px 24px;
}

.site-nav__item {
  border-bottom: 1px solid rgba(139, 92, 246, 0.12);
}

.site-nav__item:last-child {
  border-bottom: none;
}

.site-nav__link {
  display: block;
  padding: 12px 8px;
  font-size: 16px;
  font-weight: 500;
  color: #FFFFFF;
  letter-spacing: 0.05em;
  position: relative;
  transition: color 0.2s ease, padding-left 0.25s ease;
}

.site-nav__link::after {
  content: '';
  position: absolute;
  left: 8px;
  bottom: 4px;
  width: 24px;
  height: 2px;
  background: #FBBF24;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.25s ease;
}

.site-nav__link:hover {
  color: #8B5CF6;
  padding-left: 14px;
}

.site-nav__link:hover::after,
.site-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
}

.site-nav__link[aria-current="page"] {
  color: #FBBF24;
  font-weight: 600;
}

/* 汉堡按钮 */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid rgba(139, 92, 246, 0.4);
  border-radius: 6px;
  background: rgba(45, 42, 90, 0.35);
  transition: border-color 0.25s ease, background 0.25s ease;
  flex-shrink: 0;
}

.nav-toggle:hover {
  border-color: rgba(139, 92, 246, 0.8);
  background: rgba(45, 42, 90, 0.6);
}

.nav-toggle__bar {
  display: block;
  height: 2px;
  background: #FFFFFF;
  border-radius: 1px;
  transition: transform 0.3s ease, opacity 0.3s ease, background 0.3s ease;
}

.nav-toggle:hover .nav-toggle__bar {
  background: #FBBF24;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* 桌面导航 */
@media (min-width: 900px) {
  .nav-toggle {
    display: none;
  }

  .site-nav {
    position: static;
    background: transparent;
    border-bottom: none;
    transform: none;
    opacity: 1;
    visibility: visible;
    transition: none;
    box-shadow: none;
  }

  .site-nav[data-open="true"] {
    transform: none;
    opacity: 1;
    visibility: visible;
  }

  .site-nav__list {
    flex-direction: row;
    align-items: center;
    gap: 2px;
    padding: 0;
  }

  .site-nav__item {
    border-bottom: none;
  }

  .site-nav__link {
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 500;
  }

  .site-nav__link::after {
    content: '';
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 2px;
    width: auto;
    height: 2px;
    background: #FBBF24;
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.25s ease;
  }

  .site-nav__link:hover {
    color: #8B5CF6;
    padding-left: 16px;
  }

  .site-nav__link:hover::after,
  .site-nav__link[aria-current="page"]::after {
    transform: scaleX(1);
  }
}

/* ==================== 客服浮窗（仅移动端） ==================== */
.cs-float {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 1200;
}

@media (min-width: 900px) {
  .cs-float {
    display: none;
  }
}

.cs-float__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 40px;
  background: #8B5CF6;
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.45);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  transition: box-shadow 0.3s ease, transform 0.3s ease, background 0.3s ease;
}

.cs-float__btn:hover {
  box-shadow: 0 0 32px rgba(139, 92, 246, 0.65);
  transform: translateY(-2px);
  background: #7C4DE8;
}

.cs-float__icon {
  font-size: 18px;
  color: #FBBF24;
  text-shadow: 0 0 8px rgba(251, 191, 36, 0.6);
}

.cs-float__label {
  font-size: 14px;
  font-weight: 600;
}

.cs-float__panel {
  position: absolute;
  right: 0;
  bottom: calc(100% + 12px);
  width: 280px;
  background: #2D2A5A;
  border: 1px solid rgba(139, 92, 246, 0.45);
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.55);
}

.cs-float__panel-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: #FBBF24;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(139, 92, 246, 0.25);
}

.cs-float__panel-item {
  font-size: 13px;
  color: #94A3B8;
  line-height: 1.6;
  margin-bottom: 8px;
}

.cs-float__panel-value {
  color: #FFFFFF;
  font-weight: 500;
}

.cs-float__panel-link {
  display: inline-block;
  margin-top: 14px;
  font-size: 13px;
  font-weight: 600;
  color: #8B5CF6;
  transition: color 0.2s ease;
}

.cs-float__panel-link:hover {
  color: #FBBF24;
}

/* ==================== 按钮 ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
  position: relative;
}

.btn--primary {
  background: #8B5CF6;
  color: #FFFFFF;
  box-shadow: 0 2px 16px rgba(139, 92, 246, 0.3);
}

.btn--primary:hover {
  background: #C4B5FD;
  color: #0B1026;
  box-shadow: 0 4px 28px rgba(139, 92, 246, 0.5);
  transform: translateY(-1px);
}

.btn--gold {
  background: #FBBF24;
  color: #0B1026;
  box-shadow: 0 2px 16px rgba(251, 191, 36, 0.3);
}

.btn--gold:hover {
  background: #FCD34D;
  color: #0B1026;
  box-shadow: 0 4px 28px rgba(251, 191, 36, 0.5);
  transform: translateY(-1px);
}

.btn--outline {
  border-color: #8B5CF6;
  color: #8B5CF6;
  background: transparent;
}

.btn--outline:hover {
  background: #8B5CF6;
  color: #FFFFFF;
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.35);
}

.btn--ghost {
  border-color: rgba(255, 255, 255, 0.3);
  color: #FFFFFF;
  background: transparent;
}

.btn--ghost:hover {
  border-color: #FBBF24;
  color: #FBBF24;
  box-shadow: 0 0 16px rgba(251, 191, 36, 0.2);
}

/* ==================== 标签 ==================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border: 1px solid rgba(251, 191, 36, 0.5);
  border-radius: 3px;
  color: #FBBF24;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  background: rgba(251, 191, 36, 0.07);
  white-space: nowrap;
}

/* ==================== 页脚 ==================== */
.site-footer {
  position: relative;
  background: linear-gradient(180deg, #0B1026 0%, #070B1C 100%);
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, #8B5CF6 0%, #FBBF24 40%, transparent 80%);
  z-index: 1;
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-top: 56px;
  padding-bottom: 40px;
}

@media (min-width: 768px) {
  .site-footer__inner {
    grid-template-columns: 1.4fr 1fr 1.2fr;
    gap: 40px;
    padding-top: 64px;
    padding-bottom: 48px;
  }
}

.site-footer__brand-block {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.site-footer__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.site-footer__logo {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 2px solid #FBBF24;
  border-radius: 5px;
  color: #FBBF24;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  box-shadow: 0 0 10px rgba(251, 191, 36, 0.25);
  transform: skewX(-6deg);
}

.site-footer__brand-text {
  font-size: 16px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.08em;
}

.site-footer__about {
  font-size: 14px;
  color: #94A3B8;
  line-height: 1.8;
  max-width: 360px;
}

.site-footer__trust {
  font-size: 12px;
  color: #8B5CF6;
  letter-spacing: 0.08em;
  border-left: 2px solid #8B5CF6;
  padding-left: 12px;
}

.site-footer__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.site-footer__title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #C4B5FD;
  text-transform: uppercase;
  margin-bottom: 18px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(139, 92, 246, 0.25);
  position: relative;
}

.site-footer__title::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 36px;
  height: 2px;
  background: #FBBF24;
}

.site-footer__list li {
  margin-bottom: 10px;
}

.site-footer__list a {
  font-size: 14px;
  color: #94A3B8;
  transition: color 0.2s ease, padding-left 0.25s ease;
}

.site-footer__list a:hover {
  color: #8B5CF6;
  padding-left: 4px;
}

.site-footer__contact {
  margin-top: 16px;
}

.site-footer__contact-item {
  font-size: 13px;
  color: #94A3B8;
  line-height: 1.7;
}

.site-footer__contact-value {
  color: #FFFFFF;
}

.site-footer__bottom {
  border-top: 1px solid rgba(148, 163, 184, 0.15);
}

.site-footer__bottom-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding-top: 16px;
  padding-bottom: 16px;
  text-align: center;
}

@media (min-width: 768px) {
  .site-footer__bottom-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.site-footer__icp {
  font-size: 12px;
  color: #94A3B8;
}

.site-footer__copyright {
  font-size: 12px;
  color: #94A3B8;
}

.site-footer__copyright span[data-year] {
  color: #C4B5FD;
}

/* ==================== 返回顶部 ==================== */
.back-top {
  position: fixed;
  left: 16px;
  bottom: 16px;
  z-index: 1200;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: rgba(45, 42, 90, 0.85);
  border: 1px solid rgba(139, 92, 246, 0.4);
  border-radius: 6px;
  color: #8B5CF6;
  font-size: 20px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, background 0.3s ease, color 0.3s ease;
}

.back-top[data-show="true"] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-top:hover {
  background: #8B5CF6;
  color: #FFFFFF;
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.4);
}

/* ==================== 区域与标题 ==================== */
.section {
  padding-top: 72px;
  padding-bottom: 72px;
}

.section--tight {
  padding-top: 40px;
  padding-bottom: 40px;
}

@media (min-width: 768px) {
  .section {
    padding-top: 96px;
    padding-bottom: 96px;
  }
}

.section-kicker {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #8B5CF6;
  margin-bottom: 8px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #FFFFFF;
  line-height: 1.3;
  position: relative;
  padding-left: 18px;
}

.section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  background: linear-gradient(180deg, #8B5CF6, #FBBF24);
  border-radius: 2px;
}

/* ==================== 页首与面包屑 ==================== */
.page-head {
  position: relative;
  padding: calc(var(--header-h) + 48px) 24px 40px;
  background: linear-gradient(180deg, rgba(139, 92, 246, 0.1), transparent 70%);
  border-bottom: 1px solid rgba(139, 92, 246, 0.14);
  overflow: hidden;
}

.page-head__inner {
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
}

.page-head__kicker {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: #8B5CF6;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.page-head__title {
  font-family: var(--font-display);
  font-size: clamp(30px, 6vw, 52px);
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.2;
  color: #FFFFFF;
  margin-bottom: 14px;
  text-shadow: 0 0 30px rgba(139, 92, 246, 0.15);
}

.page-head__desc {
  font-size: 15px;
  color: #94A3B8;
  max-width: 560px;
  line-height: 1.8;
}

.breadcrumbs {
  max-width: 1280px;
  margin: 0 auto;
  padding: calc(var(--header-h) + 16px) 20px 0;
}

@media (min-width: 768px) {
  .breadcrumbs {
    padding-left: 24px;
    padding-right: 24px;
  }
}

.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
  color: #94A3B8;
}

.breadcrumbs__item {
  display: inline-flex;
  align-items: center;
}

.breadcrumbs__item + .breadcrumbs__item::before {
  content: '›';
  margin-right: 6px;
  font-size: 16px;
  line-height: 1;
  color: #8B5CF6;
}

.breadcrumbs__item a {
  color: #94A3B8;
  transition: color 0.2s ease;
}

.breadcrumbs__item a:hover {
  color: #FBBF24;
}

.breadcrumbs__item [aria-current="page"] {
  color: #FFFFFF;
  font-weight: 500;
}

/* ==================== 正文排版 ==================== */
.prose {
  max-width: 720px;
  font-size: 15px;
  line-height: 1.9;
  color: #94A3B8;
}

.prose h2 {
  font-family: var(--font-display);
  font-size: 24px;
  color: #FFFFFF;
  letter-spacing: 0.06em;
  margin: 40px 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(139, 92, 246, 0.2);
}

.prose h3 {
  font-size: 17px;
  color: #FFFFFF;
  margin: 28px 0 12px;
}

.prose p {
  margin-bottom: 16px;
}

.prose ul {
  margin: 0 0 16px 20px;
  list-style: none;
}

.prose ul li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
}

.prose ul li::before {
  content: '◆';
  position: absolute;
  left: 0;
  top: 1px;
  font-size: 10px;
  color: #8B5CF6;
}

.prose ol {
  margin: 0 0 16px 20px;
  list-style: decimal;
  list-style-position: outside;
}

.prose ol li {
  padding-left: 4px;
  margin-bottom: 8px;
}

.prose strong {
  color: #FFFFFF;
  font-weight: 600;
}

.prose a {
  position: relative;
  color: #8B5CF6;
  transition: color 0.2s ease;
}

.prose a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background: #FBBF24;
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 0.25s ease;
}

.prose a:hover {
  color: #C4B5FD;
}

.prose a:hover::after {
  transform: scaleX(1);
  transform-origin: left center;
}

.prose blockquote {
  border-left: 3px solid #8B5CF6;
  padding: 8px 16px;
  color: #C4B5FD;
  margin: 24px 0;
  background: rgba(139, 92, 246, 0.06);
}

/* ==================== 网格与卡片 ==================== */
.grid {
  display: grid;
  gap: 24px;
}

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

.grid--3 {
  grid-template-columns: 1fr;
}

.grid--4 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.card {
  position: relative;
  background: #2D2A5A;
  border: 1px solid rgba(139, 92, 246, 0.25);
  border-radius: 6px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 32px rgba(139, 92, 246, 0.22);
  border-color: rgba(139, 92, 246, 0.6);
}

.card__icon {
  font-size: 28px;
  line-height: 1;
  color: #FBBF24;
  margin-bottom: 16px;
  text-shadow: 0 0 12px rgba(251, 191, 36, 0.3);
}

.card__title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: #FFFFFF;
  margin-bottom: 8px;
  line-height: 1.4;
}

.card__text {
  font-size: 14px;
  color: #94A3B8;
  flex: 1;
  line-height: 1.7;
  margin-bottom: 12px;
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  font-size: 14px;
  font-weight: 600;
  color: #8B5CF6;
  transition: color 0.2s ease, gap 0.2s ease;
}

.card__link:hover {
  color: #FBBF24;
  gap: 10px;
}

/* ==================== 图片占位框 ==================== */
.img-frame {
  position: relative;
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: 6px;
  background: linear-gradient(135deg, #2D2A5A, #070B1C);
  overflow: hidden;
}

.img-frame::before {
  content: '';
  display: block;
  padding-top: 56.25%;
}

.img-frame img,
.img-frame__inner {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.img-frame--tall::before {
  padding-top: 125%;
}

.img-frame--square::before {
  padding-top: 100%;
}

.img-frame__placeholder {
  display: grid;
  place-items: center;
  color: #94A3B8;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background:
    linear-gradient(rgba(139, 92, 246, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139, 92, 246, 0.04) 1px, transparent 1px),
    linear-gradient(135deg, #2D2A5A, #070B1C);
  background-size: 32px 32px, 32px 32px, 100% 100%;
}

/* ==================== 装饰组件 ==================== */
.frame-brackets {
  position: relative;
}

.frame-brackets::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  border: 2px solid transparent;
  border-top-color: #8B5CF6;
  border-left-color: #8B5CF6;
  pointer-events: none;
}

.frame-brackets::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  border: 2px solid transparent;
  border-bottom-color: #8B5CF6;
  border-right-color: #8B5CF6;
  pointer-events: none;
}

.note-vertical {
  writing-mode: vertical-rl;
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: #94A3B8;
  line-height: 1.3;
  white-space: nowrap;
}

.tick-bar {
  height: 4px;
  background: repeating-linear-gradient(90deg, rgba(139, 92, 246, 0.7) 0 6px, transparent 6px 14px);
  border-left: 2px solid #8B5CF6;
}

.divider {
  height: 1px;
  border: none;
  background: linear-gradient(90deg, transparent, rgba(139, 92, 246, 0.45), transparent);
  margin: 40px 0;
}

/* ==================== 滚动显现 ==================== */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-reveal][data-visible="true"] {
  opacity: 1;
  transform: translateY(0);
}

/* ==================== 移动端整体修正 ==================== */
@media (max-width: 899px) {
  body {
    padding-bottom: env(safe-area-inset-bottom, 0);
  }
}

/* ==================== 减少动效偏好 ==================== */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ==================== 每页主体上边距帮助类 ==================== */
.main-offset {
  padding-top: var(--header-h);
}