/* ============================================================
   cailiaoyuan-beikao.css — 材料员备考资料页
   前缀 clbk- · 牛仔裤复古风
   ============================================================ */

/* ---------- Hero ---------- */
.clbk-hero { padding: 130px 0 90px; }
.clbk-hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.clbk-hero-text h1 { font-size: clamp(34px,5vw,54px); line-height: 1.2; margin: 18px 0; }
.clbk-hero-text h1 i { font-style: normal; color: var(--stitch); }
.clbk-hero-text p { font-size: 17px; color: #d7e0ea; max-width: 520px; }
.clbk-hero-cta { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 14px; }
.clbk-hero-pic { transform: rotate(1deg); }

/* ---------- 材料分类 ---------- */
.clbk-kinds { padding: 90px 0; }
.clbk-kinds-grid { display: grid; grid-template-columns: repeat(6,1fr); gap: 16px; margin-top: 10px; }
.clbk-kind {
  background: var(--paper-100); border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 22px 18px; box-shadow: var(--shadow-sm); transition: transform .28s var(--ease), box-shadow .28s;
}
.clbk-kind:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.clbk-kind h3 { font-size: 16px; margin-bottom: 8px; color: var(--denim-800); }
.clbk-kind p { font-size: 13px; color: var(--ink-soft); line-height: 1.65; }

/* ---------- 公式 ---------- */
.clbk-formula { padding: 90px 0; }
.clbk-formula-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; margin-top: 10px; }
.clbk-fcard {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 26px 22px; box-shadow: var(--shadow-sm); transition: transform .28s var(--ease);
}
.clbk-fcard:hover { transform: translateY(-5px); }
.clbk-fcard h3 { font-size: 16px; color: var(--brown-700); margin-bottom: 10px; }
.clbk-f-eq {
  font-family: var(--font-serif); font-size: 17px; color: var(--denim-800);
  background: var(--paper-300); border-left: 4px solid var(--rust);
  padding: 10px 14px; border-radius: 0 var(--r-sm) var(--r-sm) 0; margin-bottom: 12px;
}
.clbk-fcard p:last-child { font-size: 13.5px; color: var(--ink-soft); }

/* ---------- 流程线 ---------- */
.clbk-flow { padding: 90px 0; }
.clbk-flow-line {
  list-style: none; display: grid; grid-template-columns: repeat(5,1fr); margin-top: 10px;
  border-top: 2px dashed var(--denim-500); padding-top: 26px; position: relative;
}
.clbk-flow-line li { text-align: center; position: relative; }
.clbk-flow-line li::before {
  content:""; position: absolute; top: -33px; left: 50%; transform: translateX(-50%);
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--rust); border: 3px solid var(--paper-100); box-shadow: 0 0 0 2px var(--rust);
}
.clbk-flow-line b { display: block; font-size: 16px; color: var(--denim-900); }
.clbk-flow-line span { font-size: 13px; color: var(--ink-soft); }

/* ---------- 避坑 ---------- */
.clbk-pit { padding: 90px 0; }
.clbk-pit-list { display: flex; flex-direction: column; gap: 16px; margin-top: 10px; }
.clbk-pit-list li {
  display: flex; gap: 18px; align-items: flex-start;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--r-md); padding: 20px 22px;
}
.clbk-pit-no {
  font-family: var(--font-serif); font-size: 26px; font-weight: 900; color: var(--denim-100);
  flex: none; line-height: 1;
}
.clbk-pit-list h3 { font-size: 16px; margin-bottom: 4px; }
.clbk-pit-list p { font-size: 14.5px; color: var(--ink-soft); }

/* ---------- 刷题重点 ---------- */
.clbk-focus { padding: 90px 0; }
.clbk-focus-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.clbk-focus-text h2 { font-size: clamp(26px,3.2vw,36px); margin: 8px 0 18px; }
.clbk-focus-text h2 em { font-style: normal; color: var(--denim-600); }
.clbk-focus-text ul { display: flex; flex-direction: column; gap: 12px; }
.clbk-focus-text li { padding-left: 18px; position: relative; color: var(--ink-soft); }
.clbk-focus-text li::before { content:""; position:absolute; left:0; top:10px; width:9px; height:9px; background: var(--rust); border-radius: 50%; }
.clbk-focus-text b { color: var(--denim-900); }
.clbk-focus-more { margin-top: 18px; font-size: 14.5px; color: var(--ink-soft); }

/* ---------- CTA ---------- */
.clbk-cta { padding: 90px 0; }
.clbk-cta-inner { max-width: 760px; margin: 0 auto; text-align: center; }
.clbk-cta-inner h2 { font-size: clamp(26px,3.4vw,38px); margin-bottom: 14px; }
.clbk-cta-inner p { color: #d7e0ea; font-size: 16px; }
.clbk-cta-btns { margin-top: 28px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .clbk-hero-grid, .clbk-focus-grid { grid-template-columns: 1fr; gap: 36px; }
  .clbk-kinds-grid { grid-template-columns: 1fr 1fr; }
  .clbk-formula-grid { grid-template-columns: 1fr; }
  .clbk-flow-line { grid-template-columns: 1fr 1fr; gap: 22px; }
}
@media (max-width: 640px) {
  .clbk-hero { padding: 110px 0 60px; }
  .clbk-kinds-grid { grid-template-columns: 1fr; }
  .clbk-flow-line { grid-template-columns: 1fr; }
}
/* ---------- CTA 内浅色链接 ---------- */
.cta-link { color: var(--stitch); text-decoration: underline; text-underline-offset: 3px; }
.cta-link:hover { color: var(--paper-100); }
/* ---------- 牛仔蓝底上的描边按钮 ---------- */
.btn-outline--hero { color: var(--paper-100); border-color: var(--paper-100); }
.btn-outline--hero:hover { background: var(--paper-100); color: var(--denim-800); }

/* ---------- 考前七天冲刺 ---------- */
.clbk-sprint { padding: 90px 0; }
.clbk-sprint-list { display: flex; flex-direction: column; gap: 10px; margin-top: 10px; }
.clbk-sprint-row {
  display: grid; grid-template-columns: 90px 1fr; gap: 18px; align-items: center;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--r-md); padding: 14px 20px;
  transition: transform .25s var(--ease);
}
.clbk-sprint-row:hover { transform: translateX(6px); }
.clbk-sprint-day {
  font-weight: 700; color: var(--paper-100); background: var(--denim-700);
  text-align: center; padding: 6px 0; border-radius: var(--r-sm); font-size: 13px;
}
.clbk-sprint-row p { font-size: 14px; color: var(--ink-soft); }
@media (max-width: 640px){ .clbk-sprint-row { grid-template-columns: 70px 1fr; } }
/* ---------- 信阳本地提醒 ---------- */
.clbk-local { padding: 80px 0; }
.clbk-local-box { background: var(--white); border: 1px solid var(--line); border-radius: var(--r-md); padding: 32px 36px; box-shadow: var(--shadow-sm); border-left: 5px solid var(--rust); }
.clbk-local-box h3 { font-size: 20px; margin: 16px 0 10px; color: var(--denim-900); }
.clbk-local-box p { color: var(--ink-soft); font-size: 15px; line-height: 1.9; }