/* ============================================================
   冰川极地风 - 主样式文件 (Glacier Arctic Style - Main CSS)
   色值体系：极夜蓝#0A1628 | 冰川青#00E5FF | 粉蓝冰#B0E0E6
              冻土灰蓝#1B2838 | 雪白#F0F8FF
   ============================================================ */

/* === 本地字体加载 === */
@font-face {
  font-family: 'Fjalla One';
  src: url('../fonts/FjallaOne-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Open Sans';
  src: url('../fonts/OpenSans-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Open Sans';
  src: url('../fonts/OpenSans-SemiBold.ttf') format('truetype');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Open Sans';
  src: url('../fonts/OpenSans-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* === CSS变量定义 === */
:root {
  --glacier-night: #0A1628;
  --glacier-cyan: #00E5FF;
  --glacier-ice: #B0E0E6;
  --glacier-frost: #1B2838;
  --glacier-snow: #F0F8FF;
  --glacier-cyan-rgb: 0, 229, 255;
  --glacier-ice-rgb: 176, 224, 230;
  --glacier-glow: 0 0 12px rgba(0, 229, 255, 0.3);
  --glacier-glow-strong: 0 0 20px rgba(0, 229, 255, 0.5);
  --glacier-font-title: 'Fjalla One', 'PingFang SC', sans-serif;
  --glacier-font-body: 'Open Sans', 'Microsoft YaHei', sans-serif;
}

/* === 全局重置 === */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--glacier-font-body);
  background-color: var(--glacier-night);
  color: var(--glacier-snow);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* === 冰裂纹背景纹理 === */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(135deg, rgba(0, 229, 255, 0.03) 1px, transparent 1px),
    linear-gradient(225deg, rgba(176, 224, 230, 0.02) 1px, transparent 1px),
    linear-gradient(45deg, rgba(0, 229, 255, 0.02) 1px, transparent 1px);
  background-size: 80px 80px, 120px 120px, 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* === 标题字体 === */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--glacier-font-title);
  color: var(--glacier-ice);
  line-height: 1.3;
  margin-bottom: 0.8em;
}

h1 { font-size: 2.4rem; color: var(--glacier-cyan); }
h2 { font-size: 1.8rem; }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.2rem; }
h5 { font-size: 1.05rem; }
h6 { font-size: 0.95rem; }

p {
  margin-bottom: 1em;
  font-size: 1rem;
  line-height: 1.8;
}

a {
  color: var(--glacier-cyan);
  text-decoration: none;
  transition: color 0.3s ease, text-shadow 0.3s ease;
}

a:hover {
  color: var(--glacier-ice);
  text-shadow: 0 0 8px rgba(0, 229, 255, 0.4);
}

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

ul, ol {
  padding-left: 1.5em;
  margin-bottom: 1em;
}

li {
  margin-bottom: 0.4em;
  font-size: 1rem;
}

/* === 极光波动 - 顶部装饰条 === */
.glacier-aurora-bar {
  position: relative;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, 
    var(--glacier-cyan), 
    var(--glacier-ice), 
    #C8A2E8, 
    var(--glacier-cyan), 
    var(--glacier-ice));
  background-size: 300% 100%;
  animation: glacier-aurora-wave 8s ease-in-out infinite;
  z-index: 100;
}

/* === 导航栏 === */
.glacier-nav-bar {
  position: relative;
  background: rgba(10, 22, 40, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 229, 255, 0.2);
  padding: 0 1.5rem;
  z-index: 99;
}

.glacier-nav-bar__inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.glacier-nav-bar__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.glacier-nav-bar__logo img {
  height: 40px;
  width: auto;
}

.glacier-nav-bar__menu {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
  padding: 0;
  margin: 0;
}

.glacier-nav-bar__item {
  margin: 0;
}

.glacier-nav-bar__link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.6rem 1rem;
  color: var(--glacier-snow);
  font-family: var(--glacier-font-body);
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  transition: all 0.3s ease;
  position: relative;
  min-height: 44px;
  min-width: 44px;
  justify-content: center;
}

.glacier-nav-bar__link:hover,
.glacier-nav-bar__link--active {
  color: var(--glacier-cyan);
  text-shadow: 0 0 10px rgba(0, 229, 255, 0.4);
}

.glacier-nav-bar__link--active::after {
  content: '❄';
  font-size: 0.7rem;
  animation: glacier-snowflake-blink 2s ease-in-out infinite;
}

/* 移动端菜单按钮 */
.glacier-nav-bar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.glacier-nav-bar__toggle-line {
  width: 24px;
  height: 2px;
  background: var(--glacier-cyan);
  border-radius: 2px;
  transition: all 0.3s ease;
  box-shadow: 0 0 6px rgba(0, 229, 255, 0.5);
}

/* === 面包屑导航 === */
.glacier-breadcrumb {
  max-width: 1400px;
  margin: 1rem auto;
  padding: 0.8rem 1.5rem;
  font-size: 0.875rem;
  color: var(--glacier-ice);
}

.glacier-breadcrumb a {
  color: var(--glacier-ice);
  opacity: 0.8;
}

.glacier-breadcrumb a:hover {
  opacity: 1;
  color: var(--glacier-cyan);
}

.glacier-breadcrumb__separator {
  margin: 0 0.5rem;
  color: rgba(176, 224, 230, 0.4);
}

/* === Hero全屏模块 === */
.glacier-hero-section {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.glacier-hero-section__bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.glacier-hero-section__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 22, 40, 0.65);
  z-index: 1;
}

.glacier-hero-section__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: 2rem 1.5rem;
}

.glacier-hero-section__title {
  font-size: 3.2rem;
  color: var(--glacier-cyan);
  text-shadow: 0 0 30px rgba(0, 229, 255, 0.4), 0 2px 4px rgba(0, 0, 0, 0.5);
  margin-bottom: 0.6em;
  font-family: var(--glacier-font-title);
}

.glacier-hero-section__subtitle {
  font-size: 1.3rem;
  color: var(--glacier-snow);
  margin-bottom: 1.2em;
  opacity: 0.9;
}

.glacier-hero-section__text {
  font-size: 1rem;
  color: var(--glacier-snow);
  opacity: 0.85;
  margin-bottom: 2rem;
  line-height: 1.9;
}

.glacier-hero-section__buttons {
  display: flex;
  gap: 1.2rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* === 按钮系统 === */
.glacier-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 2rem;
  font-family: var(--glacier-font-body);
  font-size: 1rem;
  font-weight: 700;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
  min-height: 48px;
  min-width: 44px;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  border: none;
}

.glacier-btn--primary {
  background: var(--glacier-cyan);
  color: var(--glacier-night);
  box-shadow: 0 0 16px rgba(0, 229, 255, 0.3);
}

.glacier-btn--primary:hover {
  background: #33EBFF;
  box-shadow: var(--glacier-glow-strong);
  color: var(--glacier-night);
  transform: translateY(-2px);
}

.glacier-btn--secondary {
  background: transparent;
  color: var(--glacier-ice);
  border: 2px solid var(--glacier-ice);
}

.glacier-btn--secondary:hover {
  border-color: var(--glacier-cyan);
  color: var(--glacier-cyan);
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.3);
  transform: translateY(-2px);
}

/* === 内容区域容器 === */
.glacier-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

/* === 模块区域 === */
.glacier-section {
  padding: 4rem 0;
  position: relative;
}

.glacier-section__title {
  text-align: center;
  margin-bottom: 2.5rem;
}

.glacier-section__divider {
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--glacier-cyan), transparent);
  margin: 0.8rem auto 0;
  box-shadow: 0 0 8px rgba(0, 229, 255, 0.3);
}

/* === 冰晶卡片 === */
.glacier-card {
  background: var(--glacier-frost);
  border: 1px solid rgba(0, 229, 255, 0.15);
  box-shadow: var(--glacier-glow);
  padding: 1.5rem;
  position: relative;
  transition: all 0.4s ease;
  clip-path: polygon(12px 0, calc(100% - 12px) 0, 100% 12px, 100% calc(100% - 12px), calc(100% - 12px) 100%, 12px 100%, 0 calc(100% - 12px), 0 12px);
}

.glacier-card:hover {
  box-shadow: var(--glacier-glow-strong);
  border-color: rgba(0, 229, 255, 0.4);
  transform: translateY(-4px);
}

.glacier-card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  margin-bottom: 1rem;
  clip-path: polygon(8px 0, calc(100% - 8px) 0, 100% 8px, 100% calc(100% - 8px), calc(100% - 8px) 100%, 8px 100%, 0 calc(100% - 8px), 0 8px);
}

.glacier-card__title {
  font-size: 1.2rem;
  color: var(--glacier-cyan);
  margin-bottom: 0.5rem;
}

.glacier-card__meta {
  font-size: 0.85rem;
  color: var(--glacier-ice);
  opacity: 0.7;
  margin-bottom: 0.8rem;
}

.glacier-card__text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--glacier-snow);
  opacity: 0.9;
}

/* === 六大冰窟网格 === */
.glacier-caverns-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

/* === 赔率晶体柱 === */
.glacier-odds-section {
  background: linear-gradient(180deg, rgba(27, 40, 56, 0.8), rgba(10, 22, 40, 0.9));
}

.glacier-odds-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.glacier-odds-column {
  background: rgba(27, 40, 56, 0.9);
  border: 1px solid rgba(0, 229, 255, 0.2);
  padding: 1.5rem;
  text-align: center;
  position: relative;
  clip-path: polygon(8px 0, calc(100% - 8px) 0, 100% 8px, 100% calc(100% - 8px), calc(100% - 8px) 100%, 8px 100%, 0 calc(100% - 8px), 0 8px);
}

.glacier-odds-column__bar {
  width: 40px;
  margin: 0 auto 1rem;
  background: linear-gradient(180deg, var(--glacier-cyan), rgba(0, 229, 255, 0.2));
  border-radius: 4px 4px 0 0;
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.3);
  transition: height 0.6s ease;
}

.glacier-odds-column__name {
  font-family: var(--glacier-font-title);
  color: var(--glacier-cyan);
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.glacier-odds-column__value {
  color: var(--glacier-snow);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* === 极光宝箱模块 === */
.glacier-bonus-section {
  text-align: center;
}

.glacier-bonus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.glacier-bonus-item {
  background: var(--glacier-frost);
  border: 1px solid rgba(0, 229, 255, 0.15);
  padding: 2rem 1.5rem;
  text-align: center;
  clip-path: polygon(8px 0, calc(100% - 8px) 0, 100% 8px, 100% calc(100% - 8px), calc(100% - 8px) 100%, 8px 100%, 0 calc(100% - 8px), 0 8px);
  transition: all 0.3s ease;
}

.glacier-bonus-item:hover {
  box-shadow: var(--glacier-glow-strong);
  transform: translateY(-4px);
}

.glacier-bonus-item__icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.glacier-bonus-item__title {
  font-family: var(--glacier-font-title);
  color: var(--glacier-cyan);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.glacier-bonus-item__desc {
  color: var(--glacier-snow);
  font-size: 0.9rem;
  opacity: 0.85;
}

/* === 充能站模块 === */
.glacier-recharge-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.glacier-recharge-tier {
  background: linear-gradient(180deg, var(--glacier-frost), rgba(10, 22, 40, 0.9));
  border: 1px solid rgba(0, 229, 255, 0.15);
  padding: 2rem 1.5rem;
  text-align: center;
  clip-path: polygon(8px 0, calc(100% - 8px) 0, 100% 8px, 100% calc(100% - 8px), calc(100% - 8px) 100%, 8px 100%, 0 calc(100% - 8px), 0 8px);
  transition: all 0.3s ease;
}

.glacier-recharge-tier:hover {
  box-shadow: var(--glacier-glow-strong);
}

.glacier-recharge-tier__name {
  font-family: var(--glacier-font-title);
  color: var(--glacier-cyan);
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.glacier-recharge-tier__price {
  font-size: 1.5rem;
  color: var(--glacier-snow);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.glacier-recharge-tier__desc {
  font-size: 0.9rem;
  color: var(--glacier-ice);
  opacity: 0.8;
}

/* === 代理招募模块 === */
.glacier-recruit-section {
  background: linear-gradient(135deg, rgba(27, 40, 56, 0.9), rgba(10, 22, 40, 0.95));
}

.glacier-recruit-benefits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.glacier-recruit-benefit {
  text-align: center;
  padding: 1.5rem;
}

.glacier-recruit-benefit__icon {
  font-size: 2rem;
  margin-bottom: 0.8rem;
  color: var(--glacier-cyan);
}

.glacier-recruit-benefit__title {
  font-family: var(--glacier-font-title);
  color: var(--glacier-ice);
  margin-bottom: 0.5rem;
}

/* === 开奖极光屏 === */
.glacier-draw-section {
  overflow: hidden;
}

.glacier-draw-screen {
  background: var(--glacier-frost);
  border: 2px solid rgba(0, 229, 255, 0.3);
  box-shadow: var(--glacier-glow-strong);
  padding: 2rem;
  max-width: 900px;
  margin: 0 auto;
  clip-path: polygon(16px 0, calc(100% - 16px) 0, 100% 16px, 100% calc(100% - 16px), calc(100% - 16px) 100%, 16px 100%, 0 calc(100% - 16px), 0 16px);
}

.glacier-draw-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid rgba(0, 229, 255, 0.1);
}

.glacier-draw-item__user {
  color: var(--glacier-cyan);
  font-weight: 600;
  min-width: 100px;
}

.glacier-draw-item__game {
  color: var(--glacier-ice);
  flex: 1;
}

.glacier-draw-item__amount {
  color: var(--glacier-cyan);
  font-weight: 700;
  font-size: 1.1rem;
  text-shadow: 0 0 8px rgba(0, 229, 255, 0.3);
}

/* === 冰芯编年史时间轴 === */
.glacier-timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 0;
}

.glacier-timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, transparent, var(--glacier-cyan), transparent);
  transform: translateX(-50%);
}

.glacier-timeline__item {
  position: relative;
  padding: 1.5rem;
  width: 45%;
  margin-bottom: 2rem;
}

.glacier-timeline__item:nth-child(odd) {
  margin-left: 0;
  text-align: right;
}

.glacier-timeline__item:nth-child(even) {
  margin-left: 55%;
}

.glacier-timeline__item::before {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  background: var(--glacier-cyan);
  border-radius: 50%;
  top: 1.8rem;
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.5);
}

.glacier-timeline__item:nth-child(odd)::before {
  right: -7%;
}

.glacier-timeline__item:nth-child(even)::before {
  left: -7%;
}

.glacier-timeline__year {
  font-family: var(--glacier-font-title);
  color: var(--glacier-cyan);
  font-size: 1.3rem;
  margin-bottom: 0.3rem;
}

.glacier-timeline__text {
  color: var(--glacier-snow);
  font-size: 0.95rem;
  opacity: 0.9;
}

/* === 安全认证模块 === */
.glacier-cert-section {
  background: var(--glacier-frost);
}

.glacier-cert-badges {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
  margin: 2rem 0;
}

.glacier-cert-badge {
  text-align: center;
}

.glacier-cert-badge img {
  width: 120px;
  height: 120px;
  margin: 0 auto 0.8rem;
  filter: drop-shadow(0 0 8px rgba(0, 229, 255, 0.3));
}

.glacier-cert-badge__name {
  color: var(--glacier-ice);
  font-size: 0.9rem;
}

/* === 负责任博弈声明 === */
.glacier-responsible-section {
  background: rgba(10, 22, 40, 0.95);
  border-top: 1px solid rgba(0, 229, 255, 0.1);
}

.glacier-responsible-inner {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  max-width: 1000px;
  margin: 0 auto;
}

.glacier-responsible-icon {
  flex-shrink: 0;
}

.glacier-responsible-icon img {
  width: 80px;
  height: 80px;
  filter: drop-shadow(0 0 10px rgba(0, 229, 255, 0.4));
}

.glacier-responsible-text {
  flex: 1;
}

.glacier-responsible-text p {
  font-size: 0.9rem;
  opacity: 0.85;
  line-height: 1.8;
}

.glacier-responsible-buttons {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

/* === 页脚 === */
.glacier-footer {
  background: var(--glacier-night);
  border-top: 1px solid rgba(0, 229, 255, 0.15);
  padding-top: 3rem;
  position: relative;
  z-index: 1;
}

.glacier-footer__top {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem 2.5rem;
}

.glacier-footer__column-title {
  font-family: var(--glacier-font-title);
  color: var(--glacier-cyan);
  font-size: 1rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(0, 229, 255, 0.2);
}

.glacier-footer__links {
  list-style: none;
  padding: 0;
}

.glacier-footer__links li {
  margin-bottom: 0.5rem;
}

.glacier-footer__links a {
  color: var(--glacier-snow);
  font-size: 0.875rem;
  opacity: 0.7;
  transition: all 0.3s ease;
}

.glacier-footer__links a:hover {
  opacity: 1;
  color: var(--glacier-cyan);
}

.glacier-footer__partners {
  border-top: 1px solid rgba(0, 229, 255, 0.1);
  border-bottom: 1px solid rgba(0, 229, 255, 0.1);
  padding: 1.5rem 0;
  max-width: 1400px;
  margin: 0 auto;
}

.glacier-footer__partner-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2.5rem;
  flex-wrap: wrap;
  padding: 0 1.5rem;
}

.glacier-footer__partner-logos img {
  height: 36px;
  width: auto;
  opacity: 0.6;
  filter: grayscale(0.5) brightness(1.5);
  transition: all 0.3s ease;
}

.glacier-footer__partner-logos img:hover {
  opacity: 1;
  filter: none;
}

.glacier-footer__bottom {
  text-align: center;
  padding: 1.5rem;
  max-width: 1400px;
  margin: 0 auto;
}

.glacier-footer__copyright {
  color: var(--glacier-ice);
  font-size: 0.8rem;
  opacity: 0.6;
  margin-bottom: 0.3rem;
}

.glacier-footer__disclaimer {
  color: var(--glacier-ice);
  font-size: 0.7rem;
  opacity: 0.4;
}

/* === 内页通用样式 === */
.glacier-page-header {
  background: linear-gradient(135deg, var(--glacier-frost), var(--glacier-night));
  padding: 3rem 0;
  text-align: center;
  border-bottom: 1px solid rgba(0, 229, 255, 0.15);
}

.glacier-page-header__title {
  font-size: 2.2rem;
  color: var(--glacier-cyan);
}

.glacier-page-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.glacier-page-content p {
  text-indent: 2em;
  margin-bottom: 1.2em;
}

.glacier-page-content h2 {
  margin-top: 2.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(0, 229, 255, 0.15);
}

.glacier-page-content h3 {
  margin-top: 1.8rem;
  color: var(--glacier-cyan);
}

/* 内页图片网格 */
.glacier-image-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 2rem 0;
}

.glacier-image-grid img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border: 1px solid rgba(0, 229, 255, 0.15);
  clip-path: polygon(8px 0, calc(100% - 8px) 0, 100% 8px, 100% calc(100% - 8px), calc(100% - 8px) 100%, 8px 100%, 0 calc(100% - 8px), 0 8px);
  transition: all 0.3s ease;
}

.glacier-image-grid img:hover {
  box-shadow: var(--glacier-glow);
}

/* 游戏数据表格 */
.glacier-data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  background: var(--glacier-frost);
}

.glacier-data-table th,
.glacier-data-table td {
  padding: 0.8rem 1rem;
  text-align: left;
  border: 1px solid rgba(0, 229, 255, 0.1);
  font-size: 0.9rem;
}

.glacier-data-table th {
  background: rgba(0, 229, 255, 0.1);
  color: var(--glacier-cyan);
  font-family: var(--glacier-font-title);
  font-weight: 400;
}

.glacier-data-table td {
  color: var(--glacier-snow);
}

.glacier-data-table tr:hover td {
  background: rgba(0, 229, 255, 0.05);
}

/* === 相关推荐模块 === */
.glacier-related-section {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(0, 229, 255, 0.15);
}

.glacier-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

/* === APP下载页面 === */
.glacier-app-section {
  text-align: center;
  padding: 4rem 0;
}

.glacier-app-showcase {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4rem;
  flex-wrap: wrap;
  margin: 3rem 0;
}

.glacier-app-phone {
  max-width: 300px;
}

.glacier-app-phone img {
  width: 100%;
  filter: drop-shadow(0 0 20px rgba(0, 229, 255, 0.3));
}

.glacier-app-downloads {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.glacier-app-platform {
  text-align: center;
}

.glacier-app-platform__title {
  font-family: var(--glacier-font-title);
  color: var(--glacier-cyan);
  font-size: 1.2rem;
  margin-bottom: 0.8rem;
}

.glacier-app-platform img {
  width: 160px;
  height: 160px;
  margin: 0 auto 1rem;
  border: 2px solid rgba(0, 229, 255, 0.3);
}

/* === FAQ模块 === */
.glacier-faq-section {
  max-width: 900px;
  margin: 0 auto;
}

.glacier-faq-item {
  border: 1px solid rgba(0, 229, 255, 0.15);
  margin-bottom: 1rem;
  background: var(--glacier-frost);
  clip-path: polygon(8px 0, calc(100% - 8px) 0, 100% 8px, 100% calc(100% - 8px), calc(100% - 8px) 100%, 8px 100%, 0 calc(100% - 8px), 0 8px);
}

.glacier-faq-item__question {
  padding: 1rem 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--glacier-cyan);
  font-weight: 600;
  min-height: 48px;
}

.glacier-faq-item__question:hover {
  background: rgba(0, 229, 255, 0.05);
}

.glacier-faq-item__answer {
  padding: 0 1.5rem 1rem;
  color: var(--glacier-snow);
  opacity: 0.85;
  display: none;
}

.glacier-faq-item--open .glacier-faq-item__answer {
  display: block;
}

/* === 移动端响应式 === */
@media (max-width: 1024px) {
  .glacier-caverns-grid,
  .glacier-odds-grid,
  .glacier-bonus-grid,
  .glacier-recharge-grid,
  .glacier-recruit-benefits,
  .glacier-image-grid,
  .glacier-related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .glacier-footer__top {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  html { font-size: 15px; }
  
  .glacier-nav-bar__menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(10, 22, 40, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    z-index: 1000;
    padding: 2rem;
  }
  
  .glacier-nav-bar__menu--open {
    display: flex;
  }
  
  .glacier-nav-bar__toggle {
    display: flex;
    z-index: 1001;
  }
  
  .glacier-nav-bar__link {
    font-size: 1.2rem;
    padding: 0.8rem 2rem;
  }
  
  .glacier-hero-section__title {
    font-size: 2rem;
  }
  
  .glacier-hero-section__subtitle {
    font-size: 1.1rem;
  }
  
  .glacier-caverns-grid,
  .glacier-odds-grid,
  .glacier-bonus-grid,
  .glacier-recharge-grid,
  .glacier-recruit-benefits,
  .glacier-image-grid,
  .glacier-related-grid {
    grid-template-columns: 1fr;
  }
  
  .glacier-footer__top {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .glacier-timeline::before {
    left: 20px;
  }
  
  .glacier-timeline__item,
  .glacier-timeline__item:nth-child(odd),
  .glacier-timeline__item:nth-child(even) {
    width: calc(100% - 50px);
    margin-left: 50px;
    text-align: left;
  }
  
  .glacier-timeline__item::before,
  .glacier-timeline__item:nth-child(odd)::before,
  .glacier-timeline__item:nth-child(even)::before {
    left: -37px;
  }
  
  .glacier-responsible-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .glacier-app-showcase {
    flex-direction: column;
    gap: 2rem;
  }
  
  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.4rem; }
}

@media (max-width: 480px) {
  html { font-size: 14px; }
  
  .glacier-footer__top {
    grid-template-columns: 1fr;
  }
  
  .glacier-hero-section__buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .glacier-cert-badges {
    gap: 1.5rem;
  }
}