/* ============================================================
   深海潜水艇风 — 主样式表
   Deep Sea Submarine Style — Main Stylesheet
   ============================================================ */

/* 字体声明 */
@font-face {
  font-family: 'Orbitron';
  src: url('../fonts/Orbitron-Regular.woff2') format('woff2'),
       url('../fonts/Orbitron-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Orbitron';
  src: url('../fonts/Orbitron-Bold.woff2') format('woff2'),
       url('../fonts/Orbitron-Bold.ttf') format('truetype');
  font-weight: 700 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Exo 2';
  src: url('../fonts/Exo2-Regular.woff2') format('woff2'),
       url('../fonts/Exo2-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Exo 2';
  src: url('../fonts/Exo2-Bold.woff2') format('woff2'),
       url('../fonts/Exo2-Bold.ttf') format('truetype');
  font-weight: 600 700;
  font-style: normal;
  font-display: swap;
}

/* ============================================================
   CSS 变量 — 5色体系
   ============================================================ */
:root {
  --color-deep-blue:   #0A192F;  /* 深海幽蓝 */
  --color-sonar-green: #00FF41;  /* 声纳荧绿 */
  --color-ice-blue:    #00B4D8;  /* 深潜冰蓝 */
  --color-titanium:    #8892B0;  /* 钛合金灰 */
  --color-alarm-red:   #FF3366;  /* 警报霓红 */

  --color-deep-blue-2: #0D2137;  /* 稍浅深蓝，卡片背景 */
  --color-deep-blue-3: #112240;  /* 导航背景 */
  --color-border:      rgba(0,180,216,0.3);

  --font-title: 'Orbitron', 'Microsoft YaHei', sans-serif;
  --font-body:  'Exo 2', 'PingFang SC', sans-serif;

  --transition-fast: 0.2s ease;
  --transition-mid:  0.4s ease;
}

/* ============================================================
   基础重置
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  font-size: 16px;
}
body {
  background-color: var(--color-deep-blue);
  color: var(--color-titanium);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
}

/* ============================================================
   深海气泡上升动画 — 全局背景装饰
   ============================================================ */
.abyss-bubble-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.abyss-bubble {
  position: absolute;
  bottom: -60px;
  border-radius: 50%;
  background: rgba(0, 180, 216, 0.12);
  border: 1px solid rgba(0, 180, 216, 0.2);
  animation: bubbleRise linear infinite;
}
.abyss-bubble:nth-child(1)  { width:8px;  height:8px;  left:5%;   animation-duration:14s; animation-delay:0s;   }
.abyss-bubble:nth-child(2)  { width:14px; height:14px; left:12%;  animation-duration:18s; animation-delay:2s;   }
.abyss-bubble:nth-child(3)  { width:6px;  height:6px;  left:22%;  animation-duration:12s; animation-delay:4s;   }
.abyss-bubble:nth-child(4)  { width:10px; height:10px; left:35%;  animation-duration:16s; animation-delay:1s;   }
.abyss-bubble:nth-child(5)  { width:18px; height:18px; left:48%;  animation-duration:20s; animation-delay:6s;   }
.abyss-bubble:nth-child(6)  { width:7px;  height:7px;  left:58%;  animation-duration:13s; animation-delay:3s;   }
.abyss-bubble:nth-child(7)  { width:12px; height:12px; left:68%;  animation-duration:17s; animation-delay:8s;   }
.abyss-bubble:nth-child(8)  { width:5px;  height:5px;  left:78%;  animation-duration:11s; animation-delay:5s;   }
.abyss-bubble:nth-child(9)  { width:16px; height:16px; left:88%;  animation-duration:19s; animation-delay:7s;   }
.abyss-bubble:nth-child(10) { width:9px;  height:9px;  left:95%;  animation-duration:15s; animation-delay:9s;   }

@keyframes bubbleRise {
  0%   { transform: translateY(0) translateX(0);   opacity: 0.6; }
  50%  { transform: translateY(-50vh) translateX(15px); opacity: 0.3; }
  100% { transform: translateY(-110vh) translateX(-10px); opacity: 0; }
}

/* ============================================================
   雷达网格背景纹理
   ============================================================ */
.abyss-radar-bg {
  background-image:
    linear-gradient(rgba(0,255,65,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,65,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* ============================================================
   导航栏
   ============================================================ */
.abyss-nav-bar {
  position: relative;
  z-index: 100;
  background: var(--color-deep-blue-3);
  border-bottom: 1px solid var(--color-border);
}
.abyss-nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.abyss-nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.abyss-nav-logo-icon {
  width: 40px;
  height: 40px;
  position: relative;
  flex-shrink: 0;
}
.abyss-nav-logo-icon svg {
  width: 100%;
  height: 100%;
}
.abyss-nav-logo-text {
  font-family: var(--font-title);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-sonar-green);
  text-shadow: 0 0 10px rgba(0,255,65,0.6);
  letter-spacing: 1px;
}
.abyss-nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 4px;
}
.abyss-nav-links li a {
  font-family: var(--font-title);
  font-size: 12px;
  color: var(--color-titanium);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 4px;
  transition: color var(--transition-fast), background var(--transition-fast), text-shadow var(--transition-fast);
  white-space: nowrap;
  display: block;
}
.abyss-nav-links li a:hover,
.abyss-nav-links li a.abyss-nav-active {
  color: var(--color-sonar-green);
  background: rgba(0,255,65,0.07);
  text-shadow: 0 0 8px rgba(0,255,65,0.7);
}
/* 导航扫描线动画 */
.abyss-nav-scan-line {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-sonar-green), transparent);
  animation: navScan 3s linear infinite;
  opacity: 0.7;
}
@keyframes navScan {
  0%   { background-position: -100% 0; }
  100% { background-position: 200% 0; }
}
/* 移动端汉堡菜单 */
.abyss-nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}
.abyss-nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-sonar-green);
  box-shadow: 0 0 6px rgba(0,255,65,0.8);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}
.abyss-nav-toggle.abyss-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.abyss-nav-toggle.abyss-open span:nth-child(2) { opacity: 0; }
.abyss-nav-toggle.abyss-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   卡片基础样式（潜艇仪表盘风格）
   ============================================================ */
.abyss-card {
  background: var(--color-deep-blue-2);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.abyss-card::before,
.abyss-card::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-ice-blue);
  opacity: 0.5;
}
.abyss-card::before { top: 8px; left: 8px; }
.abyss-card::after  { top: 8px; right: 8px; }
.abyss-card:hover {
  border-color: var(--color-sonar-green);
  box-shadow: 0 0 20px rgba(0,255,65,0.15), inset 0 0 20px rgba(0,255,65,0.03);
}

/* 卡片角落螺丝钉装饰 */
.abyss-card-screws::before,
.abyss-card-screws::after {
  content: '';
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  border: 1px solid var(--color-ice-blue);
  opacity: 0.4;
}
.abyss-card-screws::before { bottom: 8px; left: 8px; }
.abyss-card-screws::after  { bottom: 8px; right: 8px; }

/* ============================================================
   按钮
   ============================================================ */
.abyss-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-sonar-green);
  color: var(--color-deep-blue);
  font-family: var(--font-title);
  font-size: 14px;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
  min-height: 44px;
  min-width: 44px;
  position: relative;
  overflow: hidden;
}
.abyss-btn-primary:hover {
  box-shadow: 0 0 25px rgba(0,255,65,0.6), 0 0 50px rgba(0,255,65,0.3);
  transform: translateY(-2px);
}
/* 声纳波纹扩散 on hover */
.abyss-btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: 0 0 0 0 rgba(0,255,65,0.5);
  animation: none;
}
.abyss-btn-primary:hover::after {
  animation: sonarRipple 0.8s ease-out forwards;
}
@keyframes sonarRipple {
  0%   { box-shadow: 0 0 0 0 rgba(0,255,65,0.5); }
  100% { box-shadow: 0 0 0 20px rgba(0,255,65,0); }
}

.abyss-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--color-ice-blue);
  font-family: var(--font-title);
  font-size: 14px;
  font-weight: 600;
  padding: 13px 28px;
  border-radius: 4px;
  border: 1px solid var(--color-ice-blue);
  cursor: pointer;
  text-decoration: none;
  transition: box-shadow var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  min-height: 44px;
  min-width: 44px;
}
.abyss-btn-secondary:hover {
  border-color: var(--color-sonar-green);
  color: var(--color-sonar-green);
  box-shadow: 0 0 15px rgba(0,180,216,0.4);
  transform: translateY(-2px);
}

/* ============================================================
   章节标题
   ============================================================ */
.abyss-section-title {
  font-family: var(--font-title);
  color: var(--color-sonar-green);
  font-size: clamp(20px, 3vw, 32px);
  font-weight: 700;
  text-shadow: 0 0 15px rgba(0,255,65,0.5);
  margin-bottom: 12px;
  letter-spacing: 1px;
}
.abyss-section-subtitle {
  color: var(--color-titanium);
  font-size: 15px;
  margin-bottom: 40px;
  max-width: 600px;
}
.abyss-section-header {
  margin-bottom: 40px;
}
.abyss-section-header .abyss-scan-divider {
  margin-top: 16px;
}

/* 扫描分隔线 */
.abyss-scan-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-ice-blue), var(--color-sonar-green), var(--color-ice-blue), transparent);
  margin: 20px 0;
  opacity: 0.6;
}

/* ============================================================
   Hero 区域
   ============================================================ */
.abyss-hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.abyss-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 60%, rgba(0,180,216,0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(0,255,65,0.05) 0%, transparent 40%),
    var(--color-deep-blue);
  z-index: 1;
}
.abyss-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,255,65,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,65,0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  z-index: 2;
}
.abyss-hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 40px 20px;
  max-width: 900px;
}
.abyss-hero-h1 {
  font-family: var(--font-title);
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 900;
  color: var(--color-sonar-green);
  text-shadow: 0 0 20px rgba(0,255,65,0.7), 0 0 40px rgba(0,255,65,0.4);
  margin-bottom: 20px;
  letter-spacing: 2px;
  line-height: 1.2;
}
.abyss-hero-subtitle {
  font-family: var(--font-body);
  font-size: clamp(16px, 2vw, 22px);
  color: var(--color-titanium);
  margin-bottom: 30px;
}
.abyss-hero-desc {
  font-size: 15px;
  color: var(--color-titanium);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}
.abyss-hero-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
/* 雷达扫描装饰圆 */
.abyss-radar-circle {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0,255,65,0.15);
  animation: radarPulse 4s ease-in-out infinite;
}
.abyss-radar-circle:nth-child(1) { width:200px; height:200px; top:10%; right:5%;  animation-delay:0s; }
.abyss-radar-circle:nth-child(2) { width:350px; height:350px; top:5%;  right:-5%; animation-delay:1s; }
.abyss-radar-circle:nth-child(3) { width:500px; height:500px; top:0%;  right:-10%;animation-delay:2s; }
@keyframes radarPulse {
  0%, 100% { opacity: 0.15; transform: scale(1); }
  50%       { opacity: 0.35; transform: scale(1.02); }
}

/* ============================================================
   通用区块间距
   ============================================================ */
.abyss-section {
  position: relative;
  z-index: 5;
  padding: 80px 20px;
}
.abyss-container {
  max-width: 1200px;
  margin: 0 auto;
}
.abyss-container-wide {
  max-width: 1400px;
  margin: 0 auto;
}

/* ============================================================
   数据卡片网格
   ============================================================ */
.abyss-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.abyss-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.abyss-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

/* 数据面板卡片 */
.abyss-data-panel {
  padding: 24px;
}
.abyss-data-panel .abyss-panel-label {
  font-family: var(--font-title);
  font-size: 11px;
  color: var(--color-ice-blue);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.abyss-data-panel .abyss-panel-value {
  font-family: var(--font-title);
  font-size: clamp(24px, 3vw, 36px);
  color: var(--color-sonar-green);
  text-shadow: 0 0 10px rgba(0,255,65,0.5);
  font-weight: 700;
  cursor: default;
}
.abyss-data-panel .abyss-panel-value.abyss-flicker:hover {
  animation: dataFlicker 0.3s steps(5) forwards;
}
@keyframes dataFlicker {
  0%   { color: var(--color-titanium); }
  20%  { color: var(--color-sonar-green); }
  40%  { color: var(--color-titanium); }
  60%  { color: var(--color-sonar-green); }
  80%  { color: var(--color-ice-blue); }
  100% { color: var(--color-sonar-green); text-shadow: 0 0 15px rgba(0,255,65,0.8); }
}
.abyss-data-panel .abyss-panel-desc {
  font-size: 13px;
  color: var(--color-titanium);
  margin-top: 6px;
}

/* ============================================================
   声纳进入动画（Intersection Observer 触发）
   ============================================================ */
.abyss-sonar-enter {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.abyss-sonar-enter.abyss-visible {
  opacity: 1;
  transform: translateY(0);
}
.abyss-sonar-enter.abyss-visible::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: 0 0 0 0 rgba(0,255,65,0.4);
  animation: sonarEntrance 1s ease-out forwards;
  pointer-events: none;
}
@keyframes sonarEntrance {
  0%   { box-shadow: 0 0 0 0 rgba(0,255,65,0.4); }
  100% { box-shadow: 0 0 0 30px rgba(0,255,65,0); }
}

/* ============================================================
   文章列表（声纳探测日志）
   ============================================================ */
.abyss-article-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  padding: 24px;
  margin-bottom: 20px;
}
.abyss-article-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--color-border);
}
.abyss-article-meta {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.abyss-article-title {
  font-family: var(--font-title);
  font-size: 16px;
  color: var(--color-ice-blue);
  margin-bottom: 10px;
  line-height: 1.4;
}
.abyss-article-title::before {
  content: '●';
  color: var(--color-sonar-green);
  margin-right: 8px;
  animation: blink 1.5s ease-in-out infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.2; }
}
.abyss-article-excerpt {
  font-size: 14px;
  color: var(--color-titanium);
  line-height: 1.6;
  flex: 1;
}
.abyss-article-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 12px;
}
.abyss-article-date {
  font-size: 12px;
  color: var(--color-ice-blue);
  opacity: 0.7;
}

/* ============================================================
   时间轴（发展历程）
   ============================================================ */
.abyss-timeline {
  position: relative;
  padding-left: 40px;
}
.abyss-timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, transparent, var(--color-ice-blue), var(--color-sonar-green), var(--color-ice-blue), transparent);
  box-shadow: 0 0 10px rgba(0,180,216,0.5);
}
.abyss-timeline-item {
  position: relative;
  margin-bottom: 40px;
}
.abyss-timeline-item::before {
  content: '';
  position: absolute;
  left: -34px;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-deep-blue);
  border: 2px solid var(--color-sonar-green);
  box-shadow: 0 0 10px rgba(0,255,65,0.6);
  transition: box-shadow var(--transition-fast);
}
.abyss-timeline-item:hover::before {
  box-shadow: 0 0 20px rgba(0,255,65,1), 0 0 40px rgba(0,255,65,0.5);
  animation: sonarRipple 0.8s ease-out;
}
.abyss-timeline-year {
  font-family: var(--font-title);
  font-size: 13px;
  color: var(--color-sonar-green);
  margin-bottom: 6px;
}
.abyss-timeline-content {
  font-size: 14px;
  color: var(--color-titanium);
  line-height: 1.6;
}

/* ============================================================
   表单
   ============================================================ */
.abyss-form-group {
  margin-bottom: 20px;
}
.abyss-form-label {
  display: block;
  font-family: var(--font-title);
  font-size: 12px;
  color: var(--color-ice-blue);
  letter-spacing: 1px;
  margin-bottom: 8px;
}
.abyss-form-input,
.abyss-form-select,
.abyss-form-textarea {
  width: 100%;
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  color: var(--color-sonar-green);
  font-family: var(--font-body);
  font-size: 14px;
  padding: 12px 16px;
  min-height: 44px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}
.abyss-form-input:focus,
.abyss-form-select:focus,
.abyss-form-textarea:focus {
  border-color: var(--color-sonar-green);
  box-shadow: 0 0 10px rgba(0,255,65,0.2);
}
.abyss-form-textarea {
  min-height: 120px;
  resize: vertical;
}
.abyss-form-select option {
  background: var(--color-deep-blue-2);
  color: var(--color-titanium);
}

/* ============================================================
   雷达扫描图表背景动画
   ============================================================ */
.abyss-radar-sweep-wrap {
  position: relative;
  overflow: hidden;
}
.abyss-radar-sweep-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: conic-gradient(from 0deg, transparent 0deg, rgba(0,255,65,0.08) 30deg, transparent 60deg);
  animation: radarSweep 4s linear infinite;
  pointer-events: none;
  border-radius: inherit;
}
@keyframes radarSweep {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ============================================================
   面包屑导航
   ============================================================ */
.abyss-breadcrumb {
  padding: 16px 20px;
  background: rgba(0,0,0,0.2);
  border-bottom: 1px solid var(--color-border);
  position: relative;
  z-index: 5;
}
.abyss-breadcrumb-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}
.abyss-breadcrumb a {
  color: var(--color-ice-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.abyss-breadcrumb a:hover { color: var(--color-sonar-green); }
.abyss-breadcrumb-sep {
  color: var(--color-titanium);
  opacity: 0.5;
}
.abyss-breadcrumb-current {
  color: var(--color-sonar-green);
}

/* ============================================================
   页脚
   ============================================================ */
.abyss-footer {
  background: var(--color-deep-blue-3);
  border-top: 1px solid var(--color-border);
  position: relative;
  z-index: 5;
}
.abyss-footer-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 20px 40px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}
.abyss-footer-brand h3 {
  font-family: var(--font-title);
  font-size: 18px;
  color: var(--color-sonar-green);
  text-shadow: 0 0 10px rgba(0,255,65,0.4);
  margin-bottom: 16px;
}
.abyss-footer-brand p {
  font-size: 13px;
  color: var(--color-titanium);
  line-height: 1.7;
  margin-bottom: 20px;
}
.abyss-footer-col h4 {
  font-family: var(--font-title);
  font-size: 12px;
  color: var(--color-ice-blue);
  letter-spacing: 2px;
  margin-bottom: 16px;
}
.abyss-footer-col ul {
  list-style: none;
}
.abyss-footer-col ul li {
  margin-bottom: 10px;
}
.abyss-footer-col ul li a {
  font-size: 13px;
  color: var(--color-titanium);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.abyss-footer-col ul li a:hover { color: var(--color-sonar-green); }
.abyss-footer-social {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}
.abyss-social-icon {
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-titanium);
  text-decoration: none;
  font-size: 14px;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}
.abyss-social-icon:hover {
  border-color: var(--color-sonar-green);
  color: var(--color-sonar-green);
}
.abyss-footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 24px 20px;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.abyss-footer-legal {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.abyss-footer-legal a {
  font-size: 12px;
  color: var(--color-titanium);
  text-decoration: none;
  opacity: 0.7;
  transition: opacity var(--transition-fast), color var(--transition-fast);
}
.abyss-footer-legal a:hover { opacity: 1; color: var(--color-ice-blue); }
.abyss-footer-copyright {
  font-size: 12px;
  color: var(--color-titanium);
  opacity: 0.5;
}
.abyss-footer-18plus {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,51,102,0.1);
  border: 1px solid rgba(255,51,102,0.4);
  border-radius: 4px;
  padding: 6px 12px;
  font-size: 12px;
  color: var(--color-alarm-red);
}
.abyss-footer-18plus strong {
  font-family: var(--font-title);
  font-size: 14px;
}
.abyss-footer-pagcor {
  font-size: 12px;
  color: var(--color-titanium);
  opacity: 0.6;
  margin-top: 8px;
}
.abyss-payment-icons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}
.abyss-payment-icon {
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 4px 10px;
  font-size: 11px;
  color: var(--color-titanium);
  font-family: var(--font-title);
  opacity: 0.7;
}

/* ============================================================
   负责任博弈声明模块
   ============================================================ */
.abyss-responsible-section {
  background: rgba(255,51,102,0.05);
  border-top: 1px solid rgba(255,51,102,0.2);
  border-bottom: 1px solid rgba(255,51,102,0.2);
  padding: 40px 20px;
  position: relative;
  z-index: 5;
}
.abyss-responsible-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 32px;
  align-items: start;
}
.abyss-18plus-badge {
  font-family: var(--font-title);
  font-size: 36px;
  font-weight: 900;
  color: var(--color-alarm-red);
  text-shadow: 0 0 20px rgba(255,51,102,0.6);
  border: 3px solid var(--color-alarm-red);
  border-radius: 8px;
  padding: 8px 16px;
  flex-shrink: 0;
  animation: alarmPulse 2s ease-in-out infinite;
}
@keyframes alarmPulse {
  0%, 100% { box-shadow: 0 0 10px rgba(255,51,102,0.3); }
  50%       { box-shadow: 0 0 25px rgba(255,51,102,0.7); }
}
.abyss-responsible-text h3 {
  font-family: var(--font-title);
  font-size: 16px;
  color: var(--color-alarm-red);
  margin-bottom: 12px;
}
.abyss-responsible-text p {
  font-size: 13px;
  color: var(--color-titanium);
  line-height: 1.7;
  margin-bottom: 10px;
}
.abyss-responsible-btns {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.abyss-btn-warning {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  color: var(--color-alarm-red);
  font-family: var(--font-title);
  font-size: 12px;
  padding: 10px 20px;
  border-radius: 4px;
  border: 1px solid var(--color-alarm-red);
  cursor: pointer;
  text-decoration: none;
  min-height: 44px;
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
}
.abyss-btn-warning:hover {
  background: rgba(255,51,102,0.1);
  box-shadow: 0 0 15px rgba(255,51,102,0.3);
}

/* ============================================================
   牌照模块
   ============================================================ */
.abyss-license-section {
  padding: 60px 20px;
  position: relative;
  z-index: 5;
}
.abyss-license-inner {
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}
.abyss-pagcor-badge {
  display: inline-block;
  border: 2px solid var(--color-ice-blue);
  border-radius: 12px;
  padding: 20px 40px;
  margin-bottom: 30px;
  background: rgba(0,180,216,0.05);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.abyss-pagcor-badge:hover {
  border-color: var(--color-sonar-green);
  box-shadow: 0 0 30px rgba(0,180,216,0.2);
}
.abyss-pagcor-badge .abyss-pagcor-title {
  font-family: var(--font-title);
  font-size: 20px;
  color: var(--color-ice-blue);
  letter-spacing: 3px;
}
.abyss-pagcor-badge .abyss-pagcor-sub {
  font-size: 12px;
  color: var(--color-titanium);
  margin-top: 6px;
}
.abyss-cert-row {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 24px;
}
.abyss-cert-item {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 16px 24px;
  font-size: 13px;
  color: var(--color-titanium);
  text-align: center;
}
.abyss-cert-item strong {
  display: block;
  font-family: var(--font-title);
  font-size: 14px;
  color: var(--color-sonar-green);
  margin-bottom: 4px;
}

/* ============================================================
   内页专属样式
   ============================================================ */
.abyss-inner-hero {
  padding: 80px 20px 60px;
  position: relative;
  z-index: 5;
  background: linear-gradient(to bottom, rgba(0,180,216,0.05), transparent);
  border-bottom: 1px solid var(--color-border);
}
.abyss-inner-hero-content {
  max-width: 900px;
  margin: 0 auto;
}
.abyss-inner-h1 {
  font-family: var(--font-title);
  font-size: clamp(24px, 4vw, 42px);
  color: var(--color-sonar-green);
  text-shadow: 0 0 15px rgba(0,255,65,0.5);
  margin-bottom: 16px;
  line-height: 1.3;
}
.abyss-inner-lead {
  font-size: 16px;
  color: var(--color-titanium);
  line-height: 1.8;
  max-width: 700px;
}
.abyss-content-section {
  max-width: 1000px;
  margin: 0 auto;
  padding: 60px 20px;
  position: relative;
  z-index: 5;
}
.abyss-content-section h2 {
  font-family: var(--font-title);
  font-size: clamp(18px, 2.5vw, 26px);
  color: var(--color-ice-blue);
  margin: 40px 0 16px;
  padding-left: 16px;
  border-left: 3px solid var(--color-sonar-green);
}
.abyss-content-section h3 {
  font-family: var(--font-title);
  font-size: clamp(15px, 2vw, 20px);
  color: var(--color-sonar-green);
  margin: 28px 0 12px;
  opacity: 0.9;
}
.abyss-content-section p {
  font-size: 15px;
  color: var(--color-titanium);
  line-height: 1.8;
  margin-bottom: 16px;
}
.abyss-content-section ul,
.abyss-content-section ol {
  padding-left: 20px;
  margin-bottom: 16px;
}
.abyss-content-section li {
  font-size: 15px;
  color: var(--color-titanium);
  line-height: 1.8;
  margin-bottom: 6px;
}
.abyss-content-section ul li::marker {
  color: var(--color-sonar-green);
}
.abyss-content-img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  margin: 24px 0;
  display: block;
}
.abyss-data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14px;
}
.abyss-data-table th {
  background: rgba(0,180,216,0.1);
  color: var(--color-ice-blue);
  font-family: var(--font-title);
  font-size: 12px;
  padding: 12px 16px;
  text-align: left;
  border: 1px solid var(--color-border);
  letter-spacing: 1px;
}
.abyss-data-table td {
  padding: 10px 16px;
  border: 1px solid var(--color-border);
  color: var(--color-titanium);
}
.abyss-data-table tr:nth-child(even) td {
  background: rgba(0,0,0,0.1);
}
.abyss-data-table td.abyss-hot { color: var(--color-alarm-red); font-weight: 600; }
.abyss-data-table td.abyss-cold { color: var(--color-ice-blue); font-weight: 600; }
.abyss-data-table td.abyss-highlight { color: var(--color-sonar-green); font-weight: 600; }

/* ============================================================
   APP下载页
   ============================================================ */
.abyss-download-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 40px;
}
.abyss-download-card {
  text-align: center;
  padding: 40px 30px;
}
.abyss-qr-placeholder {
  width: 160px;
  height: 160px;
  margin: 0 auto 20px;
  border: 2px solid var(--color-sonar-green);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,255,65,0.05);
  position: relative;
  overflow: hidden;
}
.abyss-qr-placeholder svg {
  width: 120px;
  height: 120px;
  opacity: 0.7;
}
.abyss-download-card h3 {
  font-family: var(--font-title);
  font-size: 20px;
  color: var(--color-sonar-green);
  margin-bottom: 12px;
}
.abyss-download-card p {
  font-size: 14px;
  color: var(--color-titanium);
  margin-bottom: 20px;
  line-height: 1.6;
}

/* ============================================================
   彩金补给箱模块
   ============================================================ */
.abyss-supply-box {
  text-align: center;
  padding: 60px 20px;
  position: relative;
}
.abyss-supply-amount {
  font-family: var(--font-title);
  font-size: clamp(48px, 8vw, 80px);
  color: var(--color-sonar-green);
  text-shadow: 0 0 30px rgba(0,255,65,0.7);
  font-weight: 900;
  display: block;
  margin-bottom: 8px;
  animation: amountGlow 2s ease-in-out infinite;
}
@keyframes amountGlow {
  0%, 100% { text-shadow: 0 0 20px rgba(0,255,65,0.5); }
  50%       { text-shadow: 0 0 40px rgba(0,255,65,0.9), 0 0 60px rgba(0,255,65,0.4); }
}
.abyss-supply-rules {
  text-align: left;
  max-width: 500px;
  margin: 30px auto;
  list-style: none;
}
.abyss-supply-rules li {
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
  color: var(--color-titanium);
  display: flex;
  gap: 12px;
}
.abyss-supply-rules li::before {
  content: counter(rule-counter);
  counter-increment: rule-counter;
  color: var(--color-sonar-green);
  font-family: var(--font-title);
  font-size: 12px;
  min-width: 20px;
}
.abyss-supply-rules { counter-reset: rule-counter; }

/* ============================================================
   FAQ 模块
   ============================================================ */
.abyss-faq-item {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  margin-bottom: 12px;
  overflow: hidden;
}
.abyss-faq-question {
  padding: 18px 24px;
  font-family: var(--font-title);
  font-size: 14px;
  color: var(--color-ice-blue);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--color-deep-blue-2);
  transition: background var(--transition-fast);
  min-height: 44px;
}
.abyss-faq-question:hover { background: rgba(0,180,216,0.08); }
.abyss-faq-question .abyss-faq-icon {
  color: var(--color-sonar-green);
  font-size: 18px;
  transition: transform var(--transition-fast);
}
.abyss-faq-item.abyss-open .abyss-faq-icon { transform: rotate(45deg); }
.abyss-faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  font-size: 14px;
  color: var(--color-titanium);
  line-height: 1.7;
}
.abyss-faq-item.abyss-open .abyss-faq-answer {
  max-height: 300px;
  padding: 16px 24px;
}

/* ============================================================
   代理申请表单
   ============================================================ */
.abyss-recruit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.abyss-recruit-benefits {
  list-style: none;
}
.abyss-recruit-benefits li {
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
  color: var(--color-titanium);
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.abyss-recruit-benefits li .abyss-benefit-icon {
  color: var(--color-sonar-green);
  font-size: 16px;
  margin-top: 2px;
  flex-shrink: 0;
}

/* ============================================================
   模拟演练舱
   ============================================================ */
.abyss-sim-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}
.abyss-sim-controls {
  padding: 30px;
}
.abyss-sim-display {
  padding: 30px;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.abyss-sim-result {
  font-family: var(--font-title);
  font-size: 48px;
  color: var(--color-sonar-green);
  text-shadow: 0 0 20px rgba(0,255,65,0.7);
  text-align: center;
}
.abyss-sim-label {
  font-size: 12px;
  color: var(--color-ice-blue);
  letter-spacing: 2px;
  margin-bottom: 20px;
  text-align: center;
}
.abyss-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: var(--color-border);
  outline: none;
  margin: 10px 0;
}
.abyss-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-sonar-green);
  cursor: pointer;
  box-shadow: 0 0 8px rgba(0,255,65,0.6);
}

/* ============================================================
   响应式设计
   ============================================================ */
@media (max-width: 1024px) {
  .abyss-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .abyss-footer-main { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .abyss-nav-links {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(10,25,47,0.97);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    z-index: 200;
  }
  .abyss-nav-links.abyss-mobile-open { display: flex; }
  .abyss-nav-links li a { font-size: 18px; padding: 14px 24px; }
  .abyss-nav-toggle { display: flex; z-index: 300; }
  .abyss-grid-3 { grid-template-columns: 1fr; }
  .abyss-grid-2 { grid-template-columns: 1fr; }
  .abyss-grid-4 { grid-template-columns: 1fr 1fr; }
  .abyss-article-card { grid-template-columns: 1fr; }
  .abyss-article-img { aspect-ratio: 16/9; }
  .abyss-footer-main { grid-template-columns: 1fr; gap: 30px; }
  .abyss-footer-bottom { flex-direction: column; align-items: flex-start; }
  .abyss-responsible-inner { grid-template-columns: 1fr; }
  .abyss-recruit-grid { grid-template-columns: 1fr; }
  .abyss-sim-grid { grid-template-columns: 1fr; }
  .abyss-download-grid { grid-template-columns: 1fr; }
  .abyss-hero-h1 { font-size: 28px; }
  .abyss-section { padding: 50px 16px; }
}

@media (max-width: 414px) {
  .abyss-grid-4 { grid-template-columns: 1fr; }
  .abyss-hero-btns { flex-direction: column; align-items: center; }
  .abyss-btn-primary, .abyss-btn-secondary { width: 100%; justify-content: center; }
}

/* ============================================================
   SVG 内联图标辅助
   ============================================================ */
.abyss-icon-sonar {
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: middle;
}

/* ============================================================
   数据高亮标签
   ============================================================ */
.abyss-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 3px;
  font-family: var(--font-title);
  font-size: 11px;
  letter-spacing: 1px;
}
.abyss-tag-green {
  background: rgba(0,255,65,0.1);
  color: var(--color-sonar-green);
  border: 1px solid rgba(0,255,65,0.3);
}
.abyss-tag-blue {
  background: rgba(0,180,216,0.1);
  color: var(--color-ice-blue);
  border: 1px solid rgba(0,180,216,0.3);
}
.abyss-tag-red {
  background: rgba(255,51,102,0.1);
  color: var(--color-alarm-red);
  border: 1px solid rgba(255,51,102,0.3);
}

/* ============================================================
   图表容器
   ============================================================ */
.abyss-chart-wrap {
  position: relative;
  padding: 24px;
  margin: 20px 0;
}
.abyss-chart-wrap canvas {
  max-height: 300px;
}

/* ============================================================
   隐藏静态数据表（供爬虫抓取）
   ============================================================ */
.abyss-static-data-table {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}