/* ============================================================
   kaoshi-kemu · 考试科目 · 原型：科目瀑布错位
   纯白+浅蓝+浅紫 · 八岗位卡片高低错落
   ============================================================ */

/* ---------- 首屏 ---------- */
.km-hero{position:relative;min-height:500px;display:flex;align-items:center;padding:130px 0 90px;overflow:hidden}
.km-hero-bg{position:absolute;inset:0;z-index:0}
.km-hero-bg img{width:100%;height:100%;object-fit:cover}
.km-hero-mask{position:absolute;inset:0;z-index:1;
  background:linear-gradient(115deg,rgba(29,43,58,.8) 0%,rgba(124,111,208,.55) 50%,rgba(59,143,212,.45) 100%)}
.km-hero-inner{position:relative;z-index:2;max-width:800px;color:#fff}
.km-kicker{display:inline-block;padding:6px 16px;border-radius:999px;background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.35);font-size:.84rem;letter-spacing:2px;margin-bottom:20px}
.km-title{font-size:clamp(1.9rem,4vw,2.9rem);font-weight:800;line-height:1.25;margin-bottom:18px}
.km-title em{font-style:normal;color:#ffe9a8}
.km-sub{font-size:1.06rem;line-height:1.9;color:rgba(255,255,255,.92);max-width:660px;margin-bottom:30px}
.km-actions{display:flex;flex-wrap:wrap;gap:14px}
.km-hero-wave{position:absolute;left:0;right:0;bottom:-1px;z-index:3;line-height:0}
.km-hero-wave svg{width:100%;height:70px;display:block}

/* ---------- 科目结构 ---------- */
.km-structure{background:
  radial-gradient(360px 300px at 92% 12%,rgba(99,176,232,.15),transparent 70%),var(--paper)}
.km-two{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.km-two-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg) var(--r-sm) var(--r-lg) var(--r-sm);
  padding:34px 30px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.km-two-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2)}
.km-two-p{background:var(--purple-bg);border-color:transparent}
.km-two-tag{display:inline-block;font-size:.78rem;letter-spacing:1px;color:var(--blue);background:var(--blue-bg);
  padding:5px 12px;border-radius:999px;margin-bottom:14px;font-weight:600}
.km-two-p .km-two-tag{color:var(--purple);background:#fff}
.km-two-card h3{font-size:1.5rem;font-weight:800;margin-bottom:12px}
.km-two-card p{color:var(--ink-2);line-height:1.9;margin-bottom:16px}
.km-chiprow{display:flex;flex-wrap:wrap;gap:8px}
.km-chiprow li{background:#fff;border:1px solid var(--line);color:var(--ink-2);font-size:.82rem;
  padding:5px 12px;border-radius:999px}
.km-two-p .km-chiprow li{background:rgba(255,255,255,.6)}
.km-structure-note{margin-top:26px;color:var(--ink-3);font-size:.92px;text-align:center;line-height:1.9}
.km-structure-note b{color:var(--ink-2)}

/* ---------- 八岗位瀑布错位 ---------- */
.km-list{background:var(--mix-bg)}
.km-masonry{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.km-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg) var(--r-sm) var(--r-lg) var(--r-sm);
  padding:20px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s,border-color .3s;display:block}
.km-card:nth-child(odd){transform:translateY(18px)}
.km-card:hover{transform:translateY(-6px) !important;box-shadow:var(--shadow-2);border-color:var(--purple-2)}
.km-card-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:14px}
.km-card-no{font-size:.8rem;font-weight:800;color:var(--blue-2);letter-spacing:2px}
.km-card-img{width:100%;aspect-ratio:3/2;border-radius:var(--r-sm);overflow:hidden;margin-left:8px}
.km-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.km-card:hover .km-card-img img{transform:scale(1.06)}
.km-card h3{font-size:1.15rem;font-weight:800;margin-bottom:8px}
.km-card p{color:var(--ink-2);font-size:.88rem;line-height:1.8;margin-bottom:14px}
.km-tags{display:flex;flex-wrap:wrap;gap:6px}
.km-tags li{font-size:.76rem;padding:4px 10px;border-radius:999px;background:var(--blue-bg);color:var(--blue)}
.km-card:nth-child(even) .km-tags li{background:var(--purple-bg);color:var(--purple)}

/* ---------- 复习重点 ---------- */
.km-focus-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:40px;align-items:start}
.km-focus-main p{color:var(--ink-2);line-height:2;margin-bottom:14px}
.km-focus-imgring{margin-top:20px;border-radius:var(--r-lg) var(--r-sm) var(--r-lg) var(--r-sm);overflow:hidden;box-shadow:var(--shadow)}
.km-focus-imgring img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform .6s}
.km-focus-imgring:hover img{transform:scale(1.04)}
.km-focus-card{position:sticky;top:96px;background:var(--purple-bg);border-radius:var(--r-lg) var(--r-sm) var(--r-lg) var(--r-sm);padding:28px 24px}
.km-focus-card h3{font-size:1.15rem;font-weight:800;margin-bottom:18px}
.km-focus-list{list-style:none;margin:0 0 20px 0}
.km-focus-list li{padding:0 0 14px 18px;border-left:2px dashed var(--purple-2);margin-left:6px;position:relative}
.km-focus-list li:last-child{border-left-color:transparent}
.km-focus-list b{display:block;color:var(--ink);font-size:.94rem;margin-bottom:2px}
.km-focus-list span{color:var(--ink-3);font-size:.84rem}

/* ---------- 常见问题 ---------- */
.km-faq{background:var(--paper)}
.km-faq-grid{max-width:860px;margin:0 auto;display:grid;gap:14px}
.km-faq-item{background:var(--blue-bg);border-radius:var(--r-md) var(--r-sm) var(--r-md) var(--r-sm);padding:18px 22px;transition:box-shadow .3s,transform .3s}
.km-faq-item:hover{box-shadow:var(--shadow-2);transform:translateY(-3px)}
.km-faq-item summary{cursor:pointer;font-weight:700;font-size:1.02rem;list-style:none;display:flex;justify-content:space-between;align-items:center}
.km-faq-item summary::-webkit-details-marker{display:none}
.km-faq-item summary::after{content:"+";font-size:1.4rem;color:var(--purple);font-weight:400;transition:transform .3s}
.km-faq-item[open] summary::after{transform:rotate(45deg)}
.km-faq-item p{margin-top:12px;color:var(--ink-2);line-height:1.9;font-size:.95rem}
.km-faq-more{display:flex;justify-content:center;gap:12px;margin-top:26px;flex-wrap:wrap}

/* ---------- 关联互链 ---------- */
.km-linkgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.km-lcard{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px 18px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s,border-color .3s}
.km-lcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-2);border-color:var(--blue-2)}
.km-lcard b{display:block;font-size:1rem;margin-bottom:4px;color:var(--ink)}
.km-lcard span{color:var(--ink-3);font-size:.84rem}

/* ---------- 最新资讯 ---------- */
.km-news{background:var(--mix-bg)}
.km-newsgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.km-ncard{background:#fff;border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.km-ncard:hover{transform:translateY(-6px);box-shadow:var(--shadow-2)}
.km-nthumb{overflow:hidden;aspect-ratio:3/2}
.km-nthumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.km-ncard:hover .km-nthumb img{transform:scale(1.06)}
.km-ncard h3{font-size:.98rem;padding:16px 18px;color:var(--ink);line-height:1.5}
.km-newsmore{display:flex;justify-content:center;gap:12px;margin-top:34px;flex-wrap:wrap}

/* ---------- CTA ---------- */
.km-cta{padding-top:20px}
.km-cta-box{position:relative;overflow:hidden;text-align:center;background:linear-gradient(135deg,#7c6fd0 0%,#a48fe8 100%);color:#fff;border-radius:var(--r-lg) var(--r-sm) var(--r-lg) var(--r-sm);padding:60px 30px;box-shadow:var(--shadow-2)}
.km-cta-glow{position:absolute;border-radius:50%;filter:blur(40px);opacity:.5}
.km-cta-glow.g1{width:260px;height:260px;background:#63b0e8;top:-80px;right:-60px}
.km-cta-glow.g2{width:220px;height:220px;background:#fff;bottom:-70px;left:-50px}
.km-cta-box h2{position:relative;font-size:clamp(1.5rem,3vw,2.1rem);font-weight:800;margin-bottom:12px}
.km-cta-box>p{position:relative;max-width:560px;margin:0 auto 26px;color:rgba(255,255,255,.95)}
.km-cta-contact{position:relative;display:flex;justify-content:center;flex-wrap:wrap;gap:16px;margin-bottom:28px}
.km-cta-item{display:inline-flex;align-items:center;gap:12px;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.35);border-radius:999px;padding:12px 22px;color:#fff;backdrop-filter:blur(6px);transition:background .25s,transform .25s}
.km-cta-item:hover{background:rgba(255,255,255,.28);transform:translateY(-2px)}
.km-cta-item svg{width:20px;height:20px}
.km-cta-item span{display:flex;flex-direction:column;line-height:1.3;text-align:left}
.km-cta-item small{font-size:.72rem;opacity:.85}
.km-cta-item b{font-size:1.05rem}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .km-two{grid-template-columns:1fr}
  .km-masonry{grid-template-columns:repeat(2,1fr)}
  .km-card:nth-child(odd){transform:none}
  .km-focus-grid{grid-template-columns:1fr}
  .km-focus-card{position:static}
  .km-linkgrid{grid-template-columns:repeat(2,1fr)}
  .km-newsgrid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767px){
  .km-hero{min-height:auto;padding:110px 0 70px}
  .km-masonry{grid-template-columns:1fr}
  .km-linkgrid,.km-newsgrid{grid-template-columns:1fr}
  .km-actions .btn{width:100%}
}

/* ---------- 新增：两类科目对照表 ---------- */
.km-compare{background:var(--paper)}
.km-cmp{background:#fff;border-radius:var(--r-lg);box-shadow:var(--shadow-2);overflow:hidden;border:1px solid var(--line)}
.km-cmp table{width:100%;border-collapse:collapse;table-layout:fixed}
.km-cmp th,.km-cmp td{padding:16px 18px;text-align:left;vertical-align:top;line-height:1.7;border-bottom:1px solid var(--line);font-size:.92rem}
.km-cmp thead th{background:var(--blue-bg);font-weight:800;color:var(--ink);font-size:.98rem}
.km-cmp thead th:nth-child(3){background:var(--purple-bg)}
.km-cmp tbody tr:last-child td{border-bottom:none}
.km-cmp tbody td:first-child{color:var(--blue);font-weight:700;background:#fafbff}
.km-cmp tbody td b{color:var(--ink)}

/* ---------- 新增：新手起步纵向列表 ---------- */
.km-start{background:var(--mix-bg)}
.km-start-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:16px}
.km-start-item{display:flex;gap:18px;background:#fff;border-radius:var(--r-md);padding:20px 22px;box-shadow:var(--shadow);border-left:4px solid var(--blue)}
.km-start-p{border-left-color:var(--purple);background:var(--blue-bg)}
.km-start-no{flex:0 0 40px;height:40px;border-radius:50%;background:var(--blue);color:#fff;font-weight:900;font-size:1.1rem;display:flex;align-items:center;justify-content:center}
.km-start-p .km-start-no{background:var(--purple)}
.km-start-txt h3{font-size:1.05rem;font-weight:800;margin-bottom:6px}
.km-start-txt p{color:var(--ink-2);line-height:1.85;font-size:.93rem}
.km-start-note{margin-top:24px;text-align:center;color:var(--ink-2);font-size:.94rem}
.km-start-note a{color:var(--blue);font-weight:600;border-bottom:1px dashed var(--blue)}
.km-start-extra{margin:20px auto 0;max-width:760px;background:#fff;border-radius:var(--r-md);padding:18px 22px;color:var(--ink-2);line-height:1.95;font-size:.93rem;box-shadow:var(--shadow)}
.km-cmp-tail{margin-top:22px;color:var(--ink-2);line-height:2;font-size:.94rem;max-width:820px}