:root {
  color-scheme: dark;
  --bg: #0d1110;
  --panel: rgba(19, 27, 24, 0.78);
  --panel-strong: #15201c;
  --text: #eef5ef;
  --muted: #aab8af;
  --line: rgba(227, 238, 229, 0.15);
  --accent: #49d188;
  --accent-2: #f4b84a;
  --danger: #ff6b58;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.34);
}

body {
  transition: filter 0.5s ease, opacity 0.5s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, "Microsoft YaHei", "PingFang SC", sans-serif;
  line-height: 1.6;
}

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

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

button,
input,
select {
  font: inherit;
}

.site-header,
.hero-section,
.trust-strip,
.content-section,
.refund-panel,
.site-footer {
  width: min(1160px, calc(100% - 32px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 12px;
  z-index: 20;
  min-height: 64px;
}

.brand,
.nav-links,
.hero-actions,
.plan-card a,
.refund-form a,
.primary-action,
.secondary-action {
  min-height: 44px;
}

.brand {
  font-weight: 800;
}

.brand-mark {
  display: inline-grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 8px;
  background: var(--accent);
  color: #06100b;
}

.nav-links a {
  color: var(--muted);
  font-size: 14px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(42px, 8vw, 78px);
  line-height: 1;
  margin-bottom: 22px;
}

h2 {
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1.12;
  margin-bottom: 14px;
}

h3 {
  font-size: 20px;
  line-height: 1.25;
  margin-bottom: 12px;
}

.hero-lead,
.section-heading p,
.feature-card p,
.plan-card p,
.refund-panel p,
.trust-strip span,
.site-footer {
  color: var(--muted);
}

.hero-lead {
  max-width: 620px;
  font-size: 18px;
}

.hero-media img,
.gallery-grid img {
  width: 100%;
  object-fit: cover;
}

.feature-card,
.plan-card,
.refund-form,
.trust-strip,
.site-header {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.feature-card,
.plan-card,
.refund-form {
  border-radius: 8px;
}

.feature-card span {
  color: var(--accent-2);
  font-weight: 800;
}

.primary-action,
.secondary-action,
.plan-card a,
.refund-form a,
.refund-form .form-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-weight: 800;
  cursor: pointer;
}

.primary-action,
.plan-card a,
.refund-form .form-action {
  background: var(--accent);
  color: #06100b;
}

.secondary-action,
.refund-form a {
  border: 1px solid var(--line);
  color: var(--text);
}

.refund-panel {
  border: 1px solid rgba(255, 107, 88, 0.36);
  background: linear-gradient(135deg, rgba(255, 107, 88, 0.13), rgba(73, 209, 136, 0.08)), var(--panel-strong);
  box-shadow: var(--shadow);
}

.refund-form input,
.refund-form select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  padding: 0 12px;
}

.refund-form select option {
  background: #15201c;
}

.refund-form label span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 760px) {
  .site-header,
  .hero-section,
  .trust-strip,
  .content-section,
  .refund-panel,
  .site-footer {
    width: min(100% - 24px, 1160px);
  }

  .nav-links {
    display: none;
  }

  h1 {
    font-size: 42px;
  }
}

/* ============================================================
   以下布局与背景样式原先由站点脚本在运行时注入，
   改造后已固化为静态样式，确保删除脚本后页面与原来一致。
   ============================================================ */
body::before {
      content: "";
      position: fixed;
      inset: 0;
      z-index: -2;
      background:
        linear-gradient(180deg, rgba(13,17,16,0.18), #0d1110 72%),
        url("static/picture/delta-force-06.jpg") center top / cover no-repeat;
      opacity: 0.44;
    }
    body::after {
      content: "";
      position: fixed;
      inset: 0;
      z-index: -1;
      background:
        linear-gradient(115deg, rgba(73,209,136,0.18), transparent 42%),
        linear-gradient(245deg, rgba(244,184,74,0.12), transparent 40%),
        linear-gradient(90deg, rgba(13,17,16,0.96), rgba(13,17,16,0.48), rgba(13,17,16,0.92));
      pointer-events: none;
    }
    .site-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      padding: 10px 14px;
      border-radius: 8px;
    }
    .brand,
    .nav-links,
    .hero-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .nav-links {
      gap: 22px;
    }
    .hero-section {
      min-height: clamp(520px, 72svh, 720px);
      display: grid;
      grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
      gap: 34px;
      align-items: center;
      padding: 48px 0 26px;
    }
    .hero-copy {
      padding: 56px 0 44px;
    }
    .hero-media {
      position: relative;
      border: 1px solid rgba(227, 238, 229, 0.18);
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 26px 80px rgba(0,0,0,0.48);
    }
    .hero-media::before {
      content: "IN-GAME PREVIEW";
      position: absolute;
      top: 14px;
      left: 14px;
      z-index: 2;
      padding: 7px 10px;
      border-radius: 8px;
      background: rgba(6,16,11,0.74);
      color: #eef5ef;
      font-size: 12px;
      font-weight: 800;
    }
    .hero-media img {
      aspect-ratio: 16 / 9;
    }
    .hero-actions {
      flex-wrap: wrap;
      margin-top: 28px;
    }
    .primary-action,
    .secondary-action,
    .plan-card a,
    .refund-form a {
      padding: 12px 18px;
      transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
    }
    .primary-action:hover,
    .secondary-action:hover,
    .plan-card a:hover,
    .refund-form a:hover {
      transform: translateY(-2px);
    }
    .trust-strip {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1px;
      padding: 0;
      overflow: hidden;
      border-radius: 8px;
    }
    .trust-strip div {
      display: grid;
      gap: 6px;
      padding: 20px;
      background: rgba(255,255,255,0.03);
    }
    .content-section {
      padding: 86px 0 0;
    }
    .section-heading {
      max-width: 680px;
      margin-bottom: 28px;
    }
    .feature-grid,
    .plan-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
    }
    .feature-card,
    .plan-card {
      display: flex;
      min-height: 238px;
      flex-direction: column;
      padding: 22px;
    }
    .feature-card p,
    .plan-card p {
      margin-bottom: 0;
    }
    .plan-grid {
      grid-template-columns: repeat(3, 1fr);
    }
    .plan-card a {
      width: 100%;
      margin-top: auto;
    }
    .gallery-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    .gallery-grid figure {
      margin: 0;
      border: 1px solid rgba(227, 238, 229, 0.15);
      border-radius: 8px;
      overflow: hidden;
      background: rgba(19,27,24,0.78);
      box-shadow: 0 18px 60px rgba(0,0,0,0.34);
    }
    .gallery-grid img {
      height: 320px;
    }
    .gallery-grid figcaption {
      padding: 12px 14px;
      color: #aab8af;
      font-size: 14px;
    }
    .refund-panel {
      display: grid;
      grid-template-columns: 0.92fr 1.08fr;
      gap: 28px;
      align-items: center;
      margin-top: 88px;
      padding: 28px;
      border-radius: 8px;
    }
    .refund-form {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      padding: 18px;
    }
    .refund-form a {
      border: 0;
      min-height: 48px;
    }
    .refund-form a {
      border: 1px solid rgba(227,238,229,0.15);
    }
    .site-footer {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      padding: 34px 0 26px;
      font-size: 14px;
    }
    @media (max-width: 980px) {
      .hero-section,
      .refund-panel {
        grid-template-columns: 1fr;
      }
      .hero-section {
        min-height: auto;
      }
      .feature-grid,
      .plan-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 760px) {
      body::before {
        background-position: center top;
      }
      .site-header {
        top: 8px;
      }
      .hero-section {
        padding-top: 34px;
        gap: 22px;
      }
      .hero-copy {
        padding: 22px 0 8px;
      }
      .hero-actions,
      .brand {
        width: 100%;
      }
      .primary-action,
      .secondary-action {
        flex: 1 1 150px;
      }
      .trust-strip,
      .feature-grid,
      .plan-grid,
      .gallery-grid,
      .refund-form {
        grid-template-columns: 1fr;
      }
      .content-section {
        padding-top: 64px;
      }
      .gallery-grid img {
        height: auto;
        aspect-ratio: 16 / 9;
      }
      .refund-panel {
        margin-top: 64px;
        padding: 20px;
      }
      .site-footer {
        flex-direction: column;
      }
    }

/* 卡片与图片始终可见：不依赖脚本、不依赖动画填充状态 */
.feature-card,
.plan-card,
.gallery-grid figure {
  opacity: 1;
  transform: none;
}