/* ------------------------------------------------- 17. Hero 光标聚光（增强） */
.hero .spotlight {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(420px 420px at var(--mx, 50%) var(--my, 30%), rgba(0, 229, 255, 0.11), transparent 70%);
  transition: background 0.2s linear;
}
/* 分区之间的柔和分隔线 */
.hr-soft {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.14), transparent);
  margin: 0 auto;
  max-width: var(--wrap);
}
/* 带图标的列表（功能全景页） */
.plainlist { margin-top: 18px; display: grid; gap: 10px; }
.plainlist li { position: relative; padding-left: 18px; font-size: 14.4px; color: var(--t2); }
.plainlist li::before {
  content: "";
  position: absolute; left: 0; top: 9px;
  width: 6px; height: 6px; border-radius: 2px;
  background: var(--grad-brand);
}
/* 架构分层图 */
.arch {
  margin-top: 52px;
  display: grid;
  gap: 16px;
}
.arch-layer {
  position: relative;
  border-radius: var(--r-lg);
  border: 1px solid var(--hair);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.015));
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 26px 28px;
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 28px;
  align-items: center;
}
.arch-layer + .arch-layer::before {
  content: "";
  position: absolute;
  top: -16px; left: 50%;
  width: 1px; height: 16px;
  background: linear-gradient(180deg, rgba(0, 229, 255, 0.6), transparent);
}
.arch-layer .al-title { font-size: 16.5px; font-weight: 600; }
.arch-layer .al-sub { margin-top: 6px; font-size: 12.8px; color: var(--t3); font-family: var(--mono); }
.arch-layer .al-items { display: flex; flex-wrap: wrap; gap: 10px; }
.arch-chip {
  padding: 9px 15px;
  border-radius: var(--r-sm);
  border: 1px solid var(--hair);
  background: rgba(255, 255, 255, 0.04);
  font-size: 13.6px;
  color: var(--t2);
}
.arch-chip b { color: var(--t1); font-weight: 500; }
.arch-layer.accent { border-color: rgba(0, 229, 255, 0.28); background: linear-gradient(160deg, rgba(47, 107, 255, 0.16), rgba(0, 229, 255, 0.04)); }

/* 防护三重奏卡片 */
.guard { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
.guard-card {
  border-radius: var(--r-lg);
  border: 1px solid var(--hair);
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 26px 24px;
}
.guard-card .gn {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em;
  color: var(--cyan);
}
.guard-card h4 { margin-top: 12px; font-size: 17px; }
.guard-card p { margin-top: 10px; font-size: 14.2px; color: var(--t2); }
/* 四步时间轴（交付流程）：基础 4 列，窄屏降级 */
.timeline.timeline-4 { grid-template-columns: repeat(4, 1fr); }
.timeline.timeline-4::before { left: 8%; right: 8%; }
@media (max-width: 1080px) {
  .arch-layer { grid-template-columns: 1fr; gap: 16px; }
  .timeline.timeline-4 { grid-template-columns: repeat(2, 1fr); }
  .timeline.timeline-4::before { display: none; }
}
@media (max-width: 880px) {
  .guard { grid-template-columns: 1fr; }
  .hero .spotlight { display: none; }
}

/* ------------------------------------------------- 18. 时间轴（赛季的一生） */
.timeline { position: relative; margin-top: 56px; display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.timeline::before {
  content: ""; position: absolute; top: 26px; left: 6%; right: 6%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.45), rgba(47, 107, 255, 0.5), transparent);
}
.tl-step { position: relative; padding-top: 62px; }
.tl-dot {
  position: absolute; top: 12px; left: 50%; transform: translateX(-50%);
  width: 28px; height: 28px; border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--mono); font-size: 12px; color: #fff;
  background: linear-gradient(140deg, #2f6bff, #00a3ff);
  box-shadow: 0 0 0 6px rgba(47, 107, 255, 0.14), 0 0 22px rgba(0, 229, 255, 0.5);
}
.tl-step h4 { font-size: 15.5px; text-align: center; }
.tl-step p { margin-top: 9px; font-size: 13.6px; color: var(--t2); text-align: center; line-height: 1.62; }

/* ------------------------------------------------- 19. 图片背景 band */
.band { position: relative; overflow: hidden; }
.band-media { position: absolute; inset: 0; z-index: -1; overflow: hidden; }
.band-media img { width: 100%; height: 100%; object-fit: cover; opacity: 0.34; }
.band-media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(4, 6, 12, 0.94) 0%, rgba(4, 6, 12, 0.66) 42%, rgba(4, 6, 12, 0.97) 100%);
}

/* ------------------------------------------------- 20. 小卡组 / 截图网格 */
.mini-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 26px; }
.mini {
  border-radius: var(--r-md); border: 1px solid var(--hair);
  background: var(--glass); overflow: hidden;
  transition: transform 0.45s var(--ease), border-color 0.35s;
}
.mini:hover { transform: translateY(-5px); border-color: var(--hair-strong); }
.mini img { width: 100%; height: auto; }
.mini .mini-cap { padding: 14px 16px; font-size: 13.6px; color: var(--t2); }
.mini .mini-cap b { display: block; color: var(--t1); font-weight: 500; font-size: 14.6px; margin-bottom: 3px; }

.scoreboard { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 34px; }
.score-item { padding: 20px 22px; border-radius: var(--r-md); border: 1px solid var(--hair); background: var(--glass); }
.score-item .sk { font-size: 12.5px; color: var(--t3); font-family: var(--mono); }
.score-item .sv { margin-top: 8px; font-size: 20px; font-weight: 600; letter-spacing: -0.03em; }

.note-line {
  margin-top: 26px; font-size: 13.4px; color: var(--t3);
  display: flex; align-items: center; gap: 9px;
}
.note-line::before { content: ""; width: 22px; height: 1px; background: var(--hair-strong); }

@media (max-width: 1080px) {
  .timeline, .timeline.timeline-4 { grid-template-columns: repeat(2, 1fr); }
  .timeline::before, .timeline.timeline-4::before { display: none; }
  .mini-grid, .scoreboard { grid-template-columns: 1fr; }
}
/* ------------------------------------------------- 21. 杂项工具类 */
.only-mobile { display: none; }
.compare-yes { color: var(--cyan); font-weight: 500; }
.compare-no { color: var(--t4); }
td.plan-col, th.plan-col { text-align: center; }
.plan-col.featured-col { background: rgba(47, 107, 255, 0.07); }
.step-list { margin-top: 34px; display: grid; gap: 14px; counter-reset: step; }
.step-list li {
  position: relative; padding: 20px 24px 20px 68px;
  border-radius: var(--r-md); border: 1px solid var(--hair); background: var(--glass);
  font-size: 14.8px; color: var(--t2);
}
.step-list li b { color: var(--t1); font-weight: 500; }
.step-list li::before {
  counter-increment: step; content: "0" counter(step);
  position: absolute; left: 22px; top: 50%; transform: translateY(-50%);
  font-family: var(--mono); font-size: 14px; color: var(--cyan);
}

/* 跑马灯标签上的实时指示灯 */
.ticker-label .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px 2px rgba(18, 183, 106, 0.8);
  animation: pulseRing 2.4s infinite;
}

@media (max-width: 880px) {
  .timeline { grid-template-columns: 1fr !important; }
  .only-mobile { display: inline; }
  .step-list li { padding-left: 24px; padding-top: 46px; }
  .step-list li::before { top: 20px; transform: none; }
}