/* ============================================
   不老传奇  v4
   顶部重铸 · 皇冠金顶 · 宏章开篇
   ============================================ */

:root {
  --bg-primary: #0a0806;
  --bg-secondary: #0d0a07;
  --surface: #14110e;
  --surface-alt: #1a1611;
  --surface-hover: #1e1a15;
  --text-primary: #e8dcc8;
  --text-secondary: #9a8e7a;
  --text-muted: #6a6050;
  --gold: #c9a84c;
  --gold-light: #d4af37;
  --gold-dark: #7a5c1a;
  --gold-deep: #4a3a1a;
  --amber: #d4a017;
  --crimson-deep: #6a1515;
  --crimson: #8b2500;
  --crimson-glow: rgba(106,21,21,0.15);
  --border: #2a2218;
  --border-gold: #4a3a1a;
  --glow-gold: rgba(201,168,76,0.12);
  --glow-amber: rgba(212,160,23,0.08);
  --font-serif: "STSong", "SimSun", "Songti SC", serif;
  --font-sans: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", sans-serif;
  --font-mono: "Consolas", "Courier New", monospace;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 30px rgba(201,168,76,0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  user-select: none;
  -webkit-user-select: none;
}

/* 首页背景图 */
body.home {
  position: relative;
  background: var(--bg-primary) url('../images/mainbg.jpg') no-repeat center top;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(ellipse at 50% 0%, rgba(201,168,76,0.03) 0%, transparent 60%),
    repeating-linear-gradient(
      0deg, transparent, transparent 3px,
      rgba(42,34,24,0.015) 3px, rgba(42,34,24,0.015) 4px
    );
  pointer-events: none;
  z-index: 0;
}

a { color: var(--gold); text-decoration: none; transition: all 0.35s ease; }
a:hover { color: var(--gold-light); }
img { max-width: 100%; height: auto; display: block; }

::selection { background: rgba(201,168,76,0.25); color: #fff; }

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--gold-deep); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold-dark); }

/* ===== Typography ===== */
.section-tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 8px;
  opacity: 0.7;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 30px;
  color: #fff;
  margin-bottom: 6px;
  line-height: 1.25;
}

.section-sub {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 35px;
}

/* ===== Ornamental Divider ===== */
.divider {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 32px;
}
.divider::before,
.divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-dark), transparent);
}
.divider span {
  color: var(--gold);
  font-size: 30px;
  font-weight: bolder;
  opacity: 0.7;
  letter-spacing: 3px;
  font-family: var(--font-serif);
}

/* ==========================================
   HEADER — 全新重铸
   ========================================== */

/* 金顶线：页面最上方的金色装饰线 */
.top-accent {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 1001;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--gold-deep) 15%,
    var(--gold-dark) 30%,
    var(--gold) 50%,
    var(--gold-dark) 70%,
    var(--gold-deep) 85%,
    transparent 100%
  );
  box-shadow: 0 0 12px rgba(201,168,76,0.15);
}

.header {
  position: fixed;
  top: 3px;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10,8,6,0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all 0.45s ease;
  padding: 10px 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
  position: relative;
  z-index: 2;
}
.header.scrolled {
  border-bottom-color: rgba(201,168,76,0.12);
  background: rgba(10,8,6,0.95);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

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

/* ---- Logo: 皇冠徽章 ---- */
.logo {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
  position: relative;
  z-index: 2;
  text-decoration: none;
}

.logo-emblem {
  position: relative;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}
/* 外圈光晕 */
.logo-emblem::before {
  content: '';
  position: absolute;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,168,76,0.15) 0%, transparent 70%);
  animation: emblemPulse 3s ease-in-out infinite;
}
@keyframes emblemPulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.15); opacity: 1; }
}
/* 中心符号 */
.logo-emblem .symbol {
  position: relative;
  z-index: 1;
  font-size: 28px;
  line-height: 1;
  color: var(--gold-light);
  text-shadow: 0 0 20px rgba(212,175,55,0.4), 0 0 40px rgba(212,175,55,0.15);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  gap: 1px;
}
.logo-text .cn {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: bold;
  background: linear-gradient(135deg, #f0d878 0%, var(--gold-light) 35%, #f0d878 50%, var(--gold) 70%, #b8922e 100%);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 3px;
  animation: logoShine 4s ease-in-out infinite;
}
@keyframes logoShine {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.logo-text .tag {
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--text-muted);
  -webkit-text-fill-color: var(--text-muted);
  padding-left: 2px;
}

/* ---- Navigation ---- */
  .logo { padding-left: 0; }
  .nav {
  display: flex;
  gap: 2px;
}
.nav a {
  padding: 8px 16px;
  color: var(--text-secondary);
  font-size: 16px;
  font-weight: 600;
  border-radius: 6px;
  transition: all 0.35s ease;
  position: relative;
  letter-spacing: 0.5px;
}
.nav a::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  border-radius: 1px;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.nav a:hover,
.nav a.active {
  color: var(--gold-light);
  background: rgba(201,168,76,0.06);
}
.nav a:hover::after,
.nav a.active::after { width: 24px; }
/* 加一段隐形的额外辉光 */
.nav a:hover::before,
.nav a.active::before {
  opacity: 1;
}

.mobile-toggle {
  display: none;
  width: 38px;
  height: 38px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 18px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}
.mobile-toggle:hover { border-color: var(--gold-dark); color: var(--gold); }

/* ==========================================
   HERO — 全新重铸 · 皇者降临
   ========================================== */

.hero {
  height: 620px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 0 20px;
  position: relative;
  overflow: visible;
}

/* 紧接 Hero 的板块不设上间距，由 hero 高度控制 */
.hero + .section { padding-top: 0; margin-top: 0; }

/* ---- 背景图层 ---- */
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

/* 全屏视频背景 — 和 body 背景图同样大小、同样位置，随页面滚动 */
.hero-video-wrap {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 800px;
  overflow: hidden;
  pointer-events: none;
  z-index: -1;
  display: flex;
  justify-content: center;
}

.hero-video {
  height: 100%;
  width: auto;
  max-width: none;
  flex-shrink: 0;
}

/* 底层：深色遮罩 + 径向光晕 */
.hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(8,6,4,0.55), rgba(8,6,4,0.55)),
    radial-gradient(ellipse at 50% 25%, rgba(201,168,76,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 85%, rgba(201,168,76,0.03) 0%, transparent 40%),
    radial-gradient(ellipse at 20% 50%, rgba(201,168,76,0.02) 0%, transparent 40%),
    radial-gradient(ellipse at 80% 50%, rgba(201,168,76,0.02) 0%, transparent 40%);
}

/* 微弱几何纹理 */
.hero-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(45deg, rgba(42,34,24,0.04) 1px, transparent 1px),
    linear-gradient(-45deg, rgba(42,34,24,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  opacity: 0.5;
}


/* ---- Hero 主体内容 ---- */
.hero .hero-content {
  position: relative;
  z-index: 2;
  animation: heroFadeIn 1.2s ease forwards;
}

/* 大纹章 / 徽记 */
.hero-emblem {
  margin: -12px auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 86px;
  height: 86px;
  border-radius: 50%;
  background: rgba(20,17,14,0.6);
}
/* 外圈装饰线1 */
.hero-emblem::before {
  content: '';
  position: absolute;
  inset: -3px;
  border: 1px solid var(--gold-dark);
  border-radius: 50%;
}
/* 外圈装饰线2：虚线 */
.hero-emblem .ring-outer {
  position: absolute;
  inset: -7px;
  border: 1px dashed rgba(201,168,76,0.15);
  border-radius: 50%;
  pointer-events: none;
}
/* 外圈装饰线3：细实线 */
.hero-emblem .ring-inner {
  position: absolute;
  inset: 2px;
  border: 1px solid rgba(201,168,76,0.08);
  border-radius: 50%;
  pointer-events: none;
}
.hero-emblem img {
  display: block;
  width: 90px;
  height: auto;
  position: relative;
  z-index: 1;
}

/* 右侧固定边栏二维码 — 贴内容框外侧，自适应 */
.sidebar-qr {
  position: fixed;
  top: 50%;
  right: clamp(10px, calc((100vw - 1160px) / 2 - 240px), 9999px);
  transform: translateY(-50%);
  z-index: 999;
}
.sidebar-qr-inner {
  position: relative;
  width: 220px;
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
}
.sidebar-qr-inner:hover {
  transform: scale(1.08);
}
.sidebar-qr-inner img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  border: 1px solid rgba(201,168,76,0.25);
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
  transition: all 0.35s ease;
}
.sidebar-qr-inner:hover img {
  border-color: var(--gold);
  box-shadow: 0 0 30px rgba(201,168,76,0.25), 0 4px 20px rgba(0,0,0,0.5);
}
.sidebar-qr-tip {
  position: absolute;
  top: -32px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-size: 12px;
  color: var(--gold-light);
  background: rgba(0,0,0,0.75);
  padding: 5px 12px;
  border-radius: 4px;
  letter-spacing: 1px;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.sidebar-qr-inner:hover .sidebar-qr-tip {
  opacity: 1;
}

/* ---- 装饰分隔线（纹章下方） ---- */
.hero-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 10px;
  opacity: 0;
  animation: heroFadeIn 1.2s ease 0.3s forwards;
}
.hero-divider .line {
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-dark), transparent);
}
.hero-divider .diamond {
  color: var(--gold);
  font-size: 8px;
  opacity: 0.4;
}

/* ---- Hero 大标题 ---- */
.hero h1 {
  font-family: var(--font-serif);
  font-size: 52px;
  font-weight: bold;
  line-height: 1.1;
  margin-bottom: 6px;
  background: linear-gradient(180deg, #fff 15%, var(--gold-light) 55%, var(--gold) 85%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 40px rgba(201,168,76,0.08);
  opacity: 0;
  animation: heroFadeIn 0.8s ease 0.4s forwards;
}

/* ---- 小标题 ---- */
.hero .sub {
  font-size: 16px;
  color: #d4c8b0;
  text-shadow: 0 2px 12px rgba(0,0,0,0.5);
  max-width: 520px;
  margin: 0 auto 22px;
  letter-spacing: 2px;
  opacity: 0;
  animation: heroFadeIn 0.8s ease 0.6s forwards;
}
.hero .sub .sep {
  display: inline-block;
  margin: 0 6px;
  color: var(--gold);
  -webkit-text-fill-color: var(--gold);
}
.hero .sub .highlight {
  color: #f0d878;
  -webkit-text-fill-color: #f0d878;
}

/* ---- CTA 按钮 ---- */
.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: heroFadeIn 0.8s ease 0.8s forwards;
}

/* ---- Hero 倒计时 ---- */
.hero-countdown {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 22px;
  padding: 12px 24px;
  background: linear-gradient(90deg, transparent, rgba(0,0,0,0.55) 15%, rgba(0,0,0,0.55) 85%, transparent);
  border-radius: 8px;
  opacity: 0;
  animation: heroFadeIn 0.8s ease 1s forwards;
}
.hc-label {
  font-size: 16px;
  color: var(--text-secondary);
  letter-spacing: 1px;
}
.hero-countdown .countdown-time {
  font-size: 26px;
}

/* ---- 向下滚动指示器 ---- */
.scroll-indicator {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  color: var(--text-muted);
  font-size: 9px;
  letter-spacing: 2px;
  opacity: 0;
  animation: fadeIn 1s ease 1.5s forwards;
  z-index: 1;
}
.scroll-indicator .arrow {
  width: 14px;
  height: 14px;
  border-right: 1px solid var(--gold-dark);
  border-bottom: 1px solid var(--gold-dark);
  transform: rotate(45deg);
  animation: scrollBounce 2s ease-in-out infinite;
}

/* ---- Hero 动画关键帧 ---- */
@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scrollBounce {
  0%, 100% { transform: rotate(45deg) translateY(0); opacity: 0.4; }
  50% { transform: rotate(45deg) translateY(6px); opacity: 1; }
}

/* ==========================================
   BUTTONS (keep from v3)
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid;
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, #8a6a20, #c9a84c, #8a6a20);
  border-color: var(--gold);
  color: #fff;
  box-shadow: 0 4px 16px rgba(201,168,76,0.15);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #a68430, #d4af37, #a68430);
  color: #fff;
  box-shadow: 0 6px 24px rgba(201,168,76,0.25);
  transform: translateY(-2px);
}
.btn-primary:active { transform: translateY(0); box-shadow: none; }

.btn-amber {
  background: linear-gradient(135deg, #5c430e, #d4a017, #5c430e);
  border-color: var(--amber);
  color: #fff;
  box-shadow: 0 4px 16px rgba(212,160,23,0.12);
}
.btn-amber:hover {
  background: linear-gradient(135deg, #7a5c1a, #e6b82a, #7a5c1a);
  color: #fff;
  box-shadow: 0 6px 24px rgba(212,160,23,0.2);
  transform: translateY(-2px);
}

.btn-blue {
  background: linear-gradient(135deg, #a8862e, #d4b96a, #a8862e);
  border-color: #c9a84c;
  color: #1a1408;
  box-shadow: 0 4px 16px rgba(201,168,76,0.2);
}
.btn-blue:hover {
  background: linear-gradient(135deg, #b8922e, #e0c97a, #b8922e);
  color: #1a1408;
  box-shadow: 0 6px 24px rgba(201,168,76,0.35);
  transform: translateY(-2px);
}

.btn-orange {
  background: linear-gradient(135deg, #7a3a0a, #d4893b, #7a3a0a);
  border-color: #b8702a;
  color: #fff;
  box-shadow: 0 4px 16px rgba(212,137,59,0.15);
}
.btn-orange:hover {
  background: linear-gradient(135deg, #8a4a1a, #e09a4b, #8a4a1a);
  color: #fff;
  box-shadow: 0 6px 24px rgba(212,137,59,0.25);
  transform: translateY(-2px);
}

.btn-green {
  background: transparent;
  border-color: var(--gold-dark);
  color: var(--gold);
  box-shadow: none;
}
.btn-green:hover {
  background: rgba(201,168,76,0.08);
  color: var(--gold-light);
  border-color: var(--gold);
  box-shadow: 0 4px 16px rgba(201,168,76,0.12);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border-color: var(--border-gold);
  color: var(--gold);
}
.btn-outline:hover {
  background: rgba(201,168,76,0.06);
  border-color: var(--gold);
  color: var(--gold-light);
  transform: translateY(-2px);
}

.btn-sm { padding: 8px 18px; font-size: 14px; }
.btn-lg { padding: 14px 32px; font-size: 18px; font-weight: 700; }

/* ==========================================
   COUNTDOWN BANNER (same as v3)
   ========================================== */
.countdown-banner {
  background: linear-gradient(135deg, rgba(10,8,6,0.95), rgba(20,17,14,0.95));
  border-top: 1px solid var(--gold-deep);
  border-bottom: 1px solid var(--gold-deep);
  padding: 20px 0;
  position: relative;
}
.countdown-banner::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.countdown-banner::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.countdown-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}

.countdown-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
}
.countdown-label .icon { font-size: 18px; }

.countdown-time {
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: bold;
  color: var(--amber);
  text-shadow: 0 0 24px rgba(212,160,23,0.2);
  letter-spacing: 2px;
  font-variant-numeric: tabular-nums;
}
.countdown-time span {
  font-size: 14px;
  font-weight: normal;
  color: var(--text-muted);
  margin: 0 5px;
  font-family: var(--font-sans);
}

/* ==========================================
   SECTIONS COMMON
   ========================================== */
.section { padding: 70px 0; }
.section-dark { background: var(--bg-secondary); }
.section-glow {
  background: linear-gradient(180deg, var(--bg-primary), rgba(201,168,76,0.015), var(--bg-primary));
}

/* ===== Server Cards ===== */
.server-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.server-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.server-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 16px;
  right: 16px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold-dark), transparent);
  opacity: 0.5;
  transition: all 0.35s ease;
}
.server-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 10px;
  background: linear-gradient(160deg, rgba(201,168,76,0.03) 0%, transparent 50%);
  pointer-events: none;
}
.server-card:hover {
  border-color: var(--gold-dark);
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(0,0,0,0.5), 0 0 24px rgba(201,168,76,0.04);
}
.server-card:hover::before {
  left: 8px;
  right: 8px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 1;
}

.server-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}
.server-card h3 {
  font-family: var(--font-serif);
  font-size: 17px;
  color: var(--gold-light);
}
.server-card .tag {
  padding: 2px 10px;
  font-size: 10px;
  border-radius: 4px;
  font-weight: 500;
  letter-spacing: 1px;
}
.server-card .tag.hot {
  background: rgba(106,21,21,0.2);
  color: #b84a4a;
  border: 1px solid rgba(106,21,21,0.3);
}
.server-card .tag.live {
  background: rgba(201,168,76,0.08);
  color: var(--gold);
  border: 1px solid rgba(201,168,76,0.15);
}
.server-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  position: relative;
  z-index: 1;
}
.server-card .meta-row {
  display: flex;
  gap: 14px;
  margin-top: 12px;
  font-size: 14px;
  color: var(--text-muted);
  position: relative;
  z-index: 1;
}

/* ===== Features ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 26px 18px;
  text-align: center;
  transition: all 0.35s ease;
}
.feature-card:hover {
  border-color: var(--gold-dark);
  background: var(--surface-alt);
  box-shadow: var(--shadow-glow);
}
.feature-card .icon {
  font-size: 26px;
  color: var(--gold);
  margin-bottom: 10px;
  display: block;
}
.feature-card h4 {
  font-size: 14px;
  color: #fff;
  margin-bottom: 4px;
}
.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ===== Image-Style Panel: Game Intro ===== */
.panel-intro {
  position: relative;
  padding: 5px 0 60px;
  overflow: hidden;
}
.panel-intro::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(201,168,76,0.04) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 50%, rgba(106,21,21,0.03) 0%, transparent 50%);
  pointer-events: none;
}

.intro-frame {
  border: 1px solid var(--gold-deep);
  border-radius: 12px;
  padding: 45px 40px;
  position: relative;
  background: linear-gradient(135deg, rgba(20,17,14,0.6), rgba(10,8,6,0.8));
}

.intro-frame .corner {
  position: absolute;
  width: 20px;
  height: 20px;
  border-color: var(--gold);
  border-style: solid;
}
.intro-frame .corner.tl { top: -1px; left: -1px; border-width: 2px 0 0 2px; border-radius: 12px 0 0 0; }
.intro-frame .corner.tr { top: -1px; right: -1px; border-width: 2px 2px 0 0; border-radius: 0 12px 0 0; }
.intro-frame .corner.bl { bottom: -1px; left: -1px; border-width: 0 0 2px 2px; border-radius: 0 0 0 12px; }
.intro-frame .corner.br { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; border-radius: 0 0 12px 0; }

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: flex-start;
}

.intro-visual {
  aspect-ratio: 16/10;
  border-radius: 8px;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.intro-slider {
  position: absolute;
  inset: 0;
}
.slider-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 0.5s ease;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
}
.slider-slide.active {
  opacity: 1;
}
.slider-caption {
  position: relative;
  z-index: 2;
  padding: 12px 20px;
  font-size: 15px;
  color: #fff;
  background: linear-gradient(90deg, transparent, rgba(0,0,0,0.75) 25%, rgba(0,0,0,0.8) 100%);
  max-width: 70%;
  text-align: right;
  letter-spacing: 1px;
  text-decoration: none;
  transition: background 0.3s ease;
}
.slider-caption:hover {
  background: linear-gradient(90deg, transparent, rgba(201,168,76,0.25) 25%, rgba(201,168,76,0.15) 100%);
}
.slider-slide::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 50%, rgba(0,0,0,0.6) 100%);
  pointer-events: none;
}
.slider-dots {
  position: absolute;
  bottom: 12px;
  left: 14px;
  display: flex;
  gap: 8px;
  z-index: 2;
}
.slider-dots .dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: all 0.3s;
}
.slider-dots .dot.active {
  background: var(--gold);
  width: 28px;
  border-radius: 4px;
}
.slider-dots .dot:hover {
  background: var(--gold-light);
}

/* ===== Doc Table (暗黑表格) ===== */
.doc-table-wrap {
  overflow-x: auto;
  margin-bottom: 28px;
}
.doc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.doc-table th {
  background: var(--gold-deep);
  color: var(--gold-light);
  font-weight: 600;
  padding: 10px 12px;
  text-align: center;
  border: 1px solid var(--border-gold);
  white-space: nowrap;
}
.doc-table td {
  padding: 8px 12px;
  border: 1px solid var(--border);
  text-align: center;
}
.doc-table tbody tr:nth-child(even) {
  background: rgba(255,255,255,0.02);
}
.doc-table tbody tr:hover {
  background: rgba(201,168,76,0.06);
}
.doc-table .highlight-cell {
  color: var(--gold);
  font-weight: 600;
}
.doc-table.left-col3 td:nth-child(3) { text-align: left; }
.doc-table.left-all td { text-align: left; }
.doc-table.left-all td.highlight-cell { text-align: left; }
.doc-section {
  margin-bottom: 36px;
}
.doc-section h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  color: var(--gold-light);
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border-gold);
}
.doc-section h4 {
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--gold);
  margin-bottom: 8px;
}
.doc-section p, .doc-section li {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}
.doc-section ul {
  list-style: none;
  padding: 0;
}
.doc-section ul li {
  padding: 4px 0 4px 20px;
  position: relative;
}
.doc-section ul li::before {
  content: '◆';
  position: absolute;
  left: 0;
  color: var(--gold-dark);
  font-size: 10px;
}
.doc-note {
  background: rgba(201,168,76,0.06);
  border-left: 3px solid var(--gold);
  padding: 12px 16px;
  border-radius: 4px;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.doc-note strong {
  color: var(--gold);
}

/* ===== Page Header ===== */

.intro-text h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--gold-light);
  margin-bottom: 10px;
}
.intro-text p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 14px;
}
.intro-text .highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.intro-text .highlights span {
  padding: 4px 12px;
  border: 1px solid var(--gold-deep);
  border-radius: 4px;
  font-size: 14px;
  color: var(--gold);
  background: rgba(201,168,76,0.04);
}

/* ===== Intro Tabs ===== */
.intro-tabs {
  margin-top: 28px;
}
.tab-nav {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
}
.tab-btn {
  padding: 12px 26px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  position: relative;
  transition: color 0.2s;
}
.tab-btn:hover { color: var(--gold); }
.tab-btn.active {
  color: var(--gold);
}
.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gold);
}
.tab-panel {
  display: none;
  padding: 18px 4px 4px;
  animation: tabFadeIn 0.35s ease;
}
.tab-panel.active {
  display: block;
}
@keyframes tabFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.tab-panel h4 {
  font-size: 16px;
  color: var(--gold);
  margin-bottom: 10px;
  font-family: var(--font-serif);
}
.tab-panel p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ===== Panel: About ===== */
.panel-about {
  position: relative;
  padding: 60px 0;
}
.panel-about::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(201,168,76,0.02) 0%, transparent 60%);
  pointer-events: none;
}
.panel-about .section-sub {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 36px;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.about-card {
  text-align: center;
  padding: 36px 24px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(20,17,14,0.6);
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}
.about-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold-dark), transparent);
  opacity: 0;
  transition: opacity 0.35s ease;
}
.about-card:hover {
  border-color: var(--gold-dark);
  background: rgba(20,17,14,0.9);
  transform: translateY(-3px);
}
.about-card:hover::before {
  opacity: 1;
}
.about-icon {
  font-size: 36px;
  margin-bottom: 14px;
  display: block;
}
.about-card h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--gold-light);
  margin-bottom: 10px;
}
.about-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.about-slogan {
  text-align: center;
  margin-top: 36px;
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}
.about-slogan .slogan-icon {
  font-size: 12px;
  color: var(--gold-dark);
  opacity: 0.5;
}
.about-more {
  text-align: center;
  margin-top: 24px;
}
.about-more .btn {
  font-size: 22px;
  font-weight: 700;
  padding: 12px 36px;
}

/* ===== Panel: Contact Banner ===== */
.panel-contact {
  position: relative;
  padding: 50px 0;
  background: linear-gradient(135deg, rgba(10,8,6,0.9), rgba(20,17,14,0.9));
  border-top: 1px solid var(--gold-deep);
  border-bottom: 1px solid var(--gold-deep);
}
.panel-contact::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.panel-contact::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.contact-banner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.contact-banner-item {
  text-align: center;
  padding: 24px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(20,17,14,0.5);
  transition: all 0.35s ease;
}
.contact-banner-item:hover {
  border-color: var(--gold-dark);
  background: rgba(20,17,14,0.8);
  transform: translateY(-2px);
}
.contact-banner-item .icon {
  font-size: 28px;
  margin-bottom: 8px;
  display: block;
}
.contact-banner-item .qq-icon {
  display: block;
  margin: 0 auto 8px;
  width: 44px;
  height: 44px;
}
.contact-banner-item .qq-icon img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}
.contact-banner-item h4 {
  font-size: 14px;
  color: #fff;
  margin-bottom: 4px;
}
.contact-banner-item p {
  font-size: 13px;
  color: var(--text-secondary);
}
.contact-banner-item .highlight {
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--gold-light);
  margin-top: 6px;
}
.contact-qr {
  margin-bottom: 10px;
}
.contact-qr img {
  width: 150px;
  height: 120px;
  border-radius: 6px;
  border: 1px solid var(--border-gold);
  display: block;
  margin: 0 auto;
}

/* ===== Download ===== */
.download-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.download-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px;
  display: flex;
  gap: 20px;
  transition: all 0.35s ease;
}
.download-card:hover {
  border-color: var(--gold-dark);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  transform: translateY(-2px);
}
.download-icon {
  width: 60px;
  height: 60px;
  flex-shrink: 0;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  background: linear-gradient(135deg, rgba(201,168,76,0.06), rgba(201,168,76,0.02));
  border: 1px solid var(--border);
}
.download-info { flex: 1; min-width: 0; }
.download-info h3 { font-size: 16px; color: #fff; margin-bottom: 3px; }
.download-info p { font-size: 13px; color: var(--text-secondary); margin-bottom: 8px; }
.download-info .meta { font-size: 11px; color: var(--text-muted); display: block; margin-bottom: 12px; }

/* ===== News ===== */
.news-list { display: flex; flex-direction: column; gap: 2px; }

.news-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 18px;
  background: var(--surface);
  border-radius: 8px;
  transition: all 0.25s ease;
}
.news-item:hover { background: var(--surface-alt); }
.news-item .cat {
  flex-shrink: 0;
  padding: 2px 10px;
  font-size: 10px;
  border-radius: 4px;
  background: rgba(201,168,76,0.08);
  color: var(--gold);
  letter-spacing: 1px;
}
.news-item .title {
  flex: 1;
  font-size: 14px;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.news-item:hover .title { color: var(--gold-light); }
.news-item .date {
  flex-shrink: 0;
  font-size: 14px;
  color: var(--text-muted);
}

/* ===== List / Detail ===== */
.page-header {
  padding-top: 100px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--border);
}
.page-header h1 {
  font-family: var(--font-serif);
  font-size: 28px;
  color: #fff;
}
.breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--gold); }

.list-layout { display: flex; gap: 30px; padding: 40px 0; }
.list-main { flex: 1; min-width: 0; }
.list-sidebar { width: 280px; flex-shrink: 0; }

.side-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 16px;
}
.side-card h3 {
  font-size: 14px;
  color: #fff;
  padding-bottom: 10px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.side-card ul { list-style: none; }
.side-card li { margin-bottom: 5px; }
.side-card li a {
  display: block;
  padding: 6px 10px;
  font-size: 13px;
  color: var(--text-secondary);
  border-radius: 4px;
  transition: all 0.25s ease;
}
.side-card li a:hover {
  color: var(--gold-light);
  background: rgba(201,168,76,0.05);
  padding-left: 14px;
}

.pagination { display: flex; justify-content: center; gap: 4px; margin-top: 30px; }
.pagination a, .pagination span {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  color: var(--text-secondary);
  transition: all 0.25s ease;
}
.pagination a:hover, .pagination .current {
  border-color: var(--gold-dark);
  color: var(--gold-light);
  background: rgba(201,168,76,0.06);
}

/* ===== Detail ===== */
.detail-wrap { padding: 40px 0; }
.detail-header { margin-bottom: 24px; padding-bottom: 18px; border-bottom: 1px solid var(--border); }
.detail-header h1 { font-family: var(--font-serif); font-size: 24px; color: #fff; margin-bottom: 8px; }
.detail-meta { display: flex; gap: 14px; font-size: 13px; color: var(--text-muted); flex-wrap: wrap; }

.detail-body { font-size: 15px; line-height: 1.9; color: var(--text-primary); }
.detail-body p { margin-bottom: 14px; }
.detail-body img { border-radius: 8px; margin: 14px 0; border: 1px solid var(--border); }
.detail-body h2, .detail-body h3 { font-family: var(--font-serif); color: var(--gold-light); margin: 24px 0 8px; }
.detail-body ul, .detail-body ol { padding-left: 20px; margin-bottom: 14px; }
.detail-body li { margin-bottom: 6px; }
.detail-body blockquote {
  border-left: 3px solid var(--gold);
  padding: 10px 18px;
  margin: 14px 0;
  background: rgba(201,168,76,0.03);
  color: var(--text-secondary);
  border-radius: 0 6px 6px 0;
}

/* ===== Benefits ===== */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.benefit-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px 20px;
  text-align: center;
  transition: all 0.35s ease;
}
.benefit-card:hover {
  border-color: var(--gold-dark);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.benefit-card .icon { font-size: 28px; display: block; margin-bottom: 10px; }
.benefit-card h3 { font-size: 15px; color: #fff; margin-bottom: 6px; }
.benefit-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.5; }

/* ===== Customer Service ===== */
.cskf-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.cskf-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 26px 20px;
  text-align: center;
  transition: all 0.35s ease;
}
.cskf-card:hover { border-color: var(--gold-dark); }
.cskf-card .icon { font-size: 26px; display: block; margin-bottom: 8px; }
.cskf-card h3 { font-size: 14px; color: #fff; margin-bottom: 4px; }
.cskf-card p { font-size: 13px; color: var(--text-secondary); }
.cskf-card .value {
  font-size: 20px;
  color: var(--gold-light);
  font-weight: bold;
  margin-top: 6px;
}

/* ===== Quick Download Cards (right column) ===== */
.dl-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
  transition: all 0.35s ease;
}
.dl-card:hover {
  border-color: var(--gold-dark);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}
.dl-card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.dl-icon {
  width: 60px;
  height: 60px;
  flex-shrink: 0;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  background: linear-gradient(135deg, rgba(201,168,76,0.08), rgba(201,168,76,0.02));
  border: 1px solid var(--border);
}
.dl-info { flex: 1; min-width: 0; }
.dl-name { font-size: 24px; color: var(--gold-light); font-weight: 500; }
.dl-size { font-size: 11px; color: var(--text-muted); margin-top: 1px; }
.dl-meta { font-size: 14px; color: var(--text-secondary); line-height: 1.5; margin-bottom: 10px; }
.dl-links { display: flex; gap: 6px; flex-wrap: wrap; padding-top: 10px; border-top: 1px solid var(--border); }
.dl-links .btn { flex: 1; justify-content: center; min-width: 0; padding: 9px 12px; font-size: 16px; }

/* ===== News List (bl52_v5 style) ===== */
.nl-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.nl-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: all 0.25s ease;
  text-decoration: none;
}
.nl-item:hover {
  border-color: var(--gold-dark);
  background: var(--surface-alt);
}
.nl-tag {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 3px;
  flex-shrink: 0;
  color: var(--gold);
  background: rgba(201,168,76,0.08);
  border: 1px solid rgba(201,168,76,0.15);
}
.nl-tag--hot {
  background: rgba(192,57,43,0.15);
  color: #c0392b;
  border-color: rgba(192,57,43,0.3);
}
.nl-title {
  flex: 1;
  font-size: 16px;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.nl-item:hover .nl-title { color: var(--gold); }
.nl-date {
  font-size: 12px;
  color: var(--text-muted);
  flex-shrink: 0;
}
.nl-arrow {
  color: var(--text-muted);
  font-size: 14px;
  transition: all 0.25s ease;
}
.nl-item:hover .nl-arrow {
  color: var(--gold);
  transform: translateX(3px);
}



/* ===== Footer ===== */
.footer {
  background: #080604;
  border-top: 1px solid var(--border);
  padding: 50px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 30px;
  margin-bottom: 32px;
}
.footer-col h4 {
  font-size: 14px;
  color: var(--text-primary);
  margin-bottom: 10px;
  font-weight: 500;
}
.footer-col p, .footer-col a {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.8;
}
.footer-col a:hover { color: var(--gold); }
.footer-bottom {
  padding-top: 20px;
  border-top: 1px solid rgba(42,34,24,0.4);
  text-align: center;
  font-size: 14px;
  color: rgba(106,96,80,0.4);
}

/* ===== Back to Top ===== */
.back-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 42px;
  height: 42px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-secondary);
  font-size: 16px;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  transition: all 0.35s ease;
  z-index: 99;
}
.back-top.show { display: flex; }
.back-top:hover {
  border-color: var(--gold);
  color: var(--gold-light);
  background: var(--surface-alt);
  transform: translateY(-2px);
}

/* ===== Animations ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.animate { animation: fadeUp 0.5s ease forwards; }
.animate-fast { animation: fadeUp 0.35s ease forwards; }


.qr-float-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.qr-float-label {
  font-size: 11px;
  color: var(--gold);
  letter-spacing: 2px;
  white-space: nowrap;
}

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 1024px) {
  .intro-grid { grid-template-columns: 1fr; }
  .intro-visual { aspect-ratio: 16/8; }
}

@media (max-width: 992px) {
  .server-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .cskf-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .list-layout { flex-direction: column; }
  .list-sidebar { width: 100%; }
  .hero h1 { font-size: 42px; }
  .hero-emblem { width: 80px; height: 80px; }
  .hero-divider .line { width: 40px; }
  .server-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .features-grid .feature-card { max-width: 320px; margin: 0 auto; }
  .download-grid { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr; }
  .cskf-grid { grid-template-columns: 1fr; }
  .contact-banner { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .countdown-time { font-size: 26px; }
  .countdown-wrap { flex-direction: column; text-align: center; }
  [style*="grid-template-columns:1fr 1fr"] { grid-template-columns: 1fr !important; }
  .intro-frame { padding: 28px 20px; }
  .about-frame { padding: 30px 20px; }
  .about-frame h2 { font-size: 20px; }
  .about-grid { grid-template-columns: 1fr; }
  .page-header { padding-top: 80px; }
  .page-header h1 { font-size: 22px; }
  .section { padding: 45px 0; }
  .section-title { font-size: 24px; }
  .download-card { flex-direction: column; text-align: center; align-items: center; }
  .back-top { bottom: 16px; right: 16px; }
  .container { padding: 0 16px; }
  .scroll-indicator { display: none; }
}

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

@media (max-width: 480px) {
  .hero h1 { font-size: 24px; }
  .logo-text .cn { font-size: 18px; }
  .logo { padding-left: 0; }
  .btn-lg { padding: 12px 24px; font-size: 16px; }
  .countdown-time { font-size: 22px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-countdown { flex-direction: column; gap: 6px; margin-top: 16px; }
  .hero-countdown .countdown-time { font-size: 20px; }
  .news-item { flex-wrap: wrap; gap: 6px; }
  .news-item .title { white-space: normal; }
  .detail-header h1 { font-size: 18px; }
}