/* beikao-jihua.html 专属布局 */

.hero-jihua { position: relative; overflow: hidden; background: var(--paper); }
.hero-wrap { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 40px; align-items: center; padding-top: 96px; padding-bottom: 70px; }
.hero-text h1 { font-size: 40px; line-height: 1.25; color: var(--ink-900); margin: 14px 0 18px; }
.hero-media img { width: 100%; height: auto; border-radius: 16px; box-shadow: 0 18px 40px rgba(21,50,56,.16); }
.ph-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 10px; }
.ph-bg { position: absolute; inset: auto 0 0 0; height: 220px; pointer-events: none; }
.ph-bg svg { width: 100%; height: 100%; display: block; }

.split { line-height: 0; font-size: 0; overflow: hidden; }
.split svg { display: block; width: 100%; height: 56px; }

/* 阶段时间轴 */
.phase-line { margin-top: 26px; }
.phase-line .tl-item { padding-left: 26px; margin-bottom: 22px; }
.phase-line h3 { color: var(--ink-900); margin: 0 0 8px; }
.phase-line p { color: var(--ink-500); line-height: 1.85; margin: 0; }

/* 周表 */
.week-table { margin-top: 22px; }
.week-table table { width: 100%; border-collapse: collapse; background: #fff; }
.week-table th, .week-table td { padding: 14px 16px; border: 1px solid var(--green-100); text-align: left; color: var(--ink-700); line-height: 1.7; font-size: 14px; }
.week-table th { background: var(--green-50); color: var(--ink-900); }

.media-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 26px; }
.media-row.single { grid-template-columns: 1fr; max-width: 760px; margin-left: auto; margin-right: auto; }
.media-row img { width: 100%; height: auto; border-radius: 14px; }

/* 碎片+机考 双栏 */
.split-col { gap: 40px; margin-top: 8px; }
.split-col p { color: var(--ink-500); line-height: 1.9; }
.split-col .sec-head { margin-bottom: 8px; }

/* 方法卡墙 */
.tip-wall { margin-top: 24px; }
.tip-wall .card { padding: 20px; }
.tip-wall h3 { margin: 0 0 8px; color: var(--ink-900); font-size: 16px; }
.tip-wall p { color: var(--ink-500); line-height: 1.8; margin: 0; font-size: 14px; }

/* 相关推荐 */
.rel-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.rel-links a { padding: 10px 18px; border-radius: 999px; background: #fff; border: 1px solid var(--yellow-200); color: var(--ink-700); font-size: 14px; transition: all .2s ease; }
.rel-links a:hover { background: var(--yellow-50); border-color: var(--yellow-400); color: #B8860B; }

@media (max-width: 768px) {
  .hero-wrap { grid-template-columns: 1fr; gap: 26px; padding-top: 84px; }
  .hero-text h1 { font-size: 30px; }
  .media-row { grid-template-columns: 1fr; }
  .split-col { grid-template-columns: 1fr; gap: 24px; }
}
@media (max-width: 480px) {
  .hero-text h1 { font-size: 25px; }
  .split svg { height: 38px; }
  .ph-bg { height: 130px; }
  .week-table th, .week-table td { padding: 10px; }
}