/* ==========================================================================
   p-gaokong-zuoye.css · 高处作业页专属样式
   布局：上文下图 Hero（金色描边全宽图）+ 三列装备卡 + 勾选清单条件
         + 两关考试卡 + 六宫格材料 + FAQ + 竖链阅读 + 横排 CTA 卡
   ========================================================================== */

.gk-hero{padding-bottom:60px}
.gk-hero-text{padding:20px 0 34px;text-align:center;max-width:760px;margin:0 auto}
.gk-hero-tag{display:inline-block;color:var(--gold);font-size:13px;letter-spacing:3px;border-bottom:1px solid rgba(255,184,0,.4);padding-bottom:6px}
.gk-hero-title{font-size:56px;font-weight:900;color:#fff;margin:18px 0 16px;letter-spacing:4px}
.gk-hero-sub{font-size:16px;color:var(--muted);text-align:left}
.gk-hero-media img{width:100%;height:auto;border-radius:var(--radius);border:1px solid var(--gold);box-shadow:0 24px 60px rgba(0,0,0,.5)}

.gk-sec-head{margin-bottom:38px}
.gk-sec-kicker{color:var(--red);font-weight:700;letter-spacing:3px;font-size:13px}
.gk-sec-title{font-size:32px;color:#fff;font-weight:800;margin:8px 0 10px}
.gk-sec-desc{color:var(--muted-2);font-size:14.5px}
.wrap-narrow{max-width:880px}

/* 三列装备卡 */
.gk-safe{background:var(--bg)}
.gk-safe-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.gk-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:transform .3s,box-shadow .3s,border-color .3s}
.gk-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:var(--line-2)}
.gk-card svg{width:36px;height:36px;color:var(--red);margin-bottom:14px}
.gk-card h3{color:#fff;font-size:18px;margin-bottom:10px}
.gk-card p{color:var(--muted);font-size:14.5px}
.gk-card a{color:var(--gold);text-decoration:underline;text-underline-offset:3px}

/* 勾选清单条件 */
.gk-check-list{display:grid;gap:16px}
.gk-check-list li{display:flex;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px 24px;align-items:flex-start;transition:border-color .3s,transform .3s}
.gk-check-list li:hover{border-color:rgba(255,184,0,.5);transform:translateX(6px)}
.gk-check-list svg{width:26px;height:26px;color:var(--gold);flex-shrink:0;margin-top:3px}
.gk-check-list h3{color:#fff;font-size:16.5px;margin-bottom:5px}
.gk-check-list p{color:var(--muted);font-size:14px}

/* 考试两关 */
.gk-exam{background:var(--bg)}
.gk-exam-cols{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.gk-exam-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;position:relative;overflow:hidden;transition:transform .3s,box-shadow .3s}
.gk-exam-card::after{content:"";position:absolute;right:-40px;bottom:-40px;width:160px;height:160px;border-radius:50%;background:radial-gradient(circle,rgba(224,38,29,.14),transparent 70%)}
.gk-exam-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.gk-exam-step{display:inline-block;font-size:12px;font-weight:800;color:var(--red);border:1px solid rgba(224,38,29,.5);border-radius:999px;padding:4px 14px;letter-spacing:2px}
.gk-exam-card h3{color:#fff;font-size:22px;margin:16px 0 10px}
.gk-exam-card p{color:var(--muted);font-size:14.5px;position:relative;z-index:1}
.gk-exam-card a{color:var(--gold);text-decoration:underline;text-underline-offset:3px}

/* 材料六格 */
.gk-mat-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gk-mat-item{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:10px;padding:20px 22px;transition:transform .3s,border-color .3s}
.gk-mat-item:hover{transform:translateY(-5px);border-left-color:var(--red)}
.gk-mat-item h4{color:#fff;font-size:16px;margin-bottom:6px}
.gk-mat-item p{color:var(--muted-2);font-size:13.5px}
.gk-mat-item a{color:var(--gold);text-decoration:underline;text-underline-offset:3px}

/* FAQ */
.gk-faq-list{display:grid;gap:14px}
.gk-faq-list details{background:var(--card);border:1px solid var(--line);border-radius:12px;transition:border-color .3s}
.gk-faq-list details[open]{border-color:rgba(255,184,0,.55)}
.gk-faq-list summary{cursor:pointer;padding:18px 22px;color:#fff;font-weight:700;font-size:16px;list-style:none;position:relative;padding-right:44px}
.gk-faq-list summary::-webkit-details-marker{display:none}
.gk-faq-list summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:24px;color:var(--red);transition:transform .3s}
.gk-faq-list details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.gk-faq-list details p{padding:0 22px 20px;color:var(--muted);font-size:14.5px}
.gk-faq-list a{color:var(--gold);text-decoration:underline;text-underline-offset:3px}

/* 竖链 */
.gk-rel{background:var(--bg)}
.gk-rel-list{display:grid;gap:12px}
.gk-rel-list a{display:grid;grid-template-columns:160px 1fr auto;gap:16px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px 22px;transition:transform .25s,border-color .25s}
.gk-rel-list a:hover{transform:translateX(6px);border-color:var(--gold)}
.gk-rel-list span{color:var(--gold);font-weight:700}
.gk-rel-list p{color:var(--muted);font-size:14px}
.gk-rel-list em{color:var(--red);font-style:normal;font-size:13.5px}

/* CTA 横排卡 */
.gk-cta{padding-top:20px}
.gk-cta-card{display:flex;justify-content:space-between;align-items:center;gap:26px;background:linear-gradient(120deg,#15151C,#1B1B24);border:1px solid var(--line-2);border-radius:18px;padding:40px 44px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.gk-cta-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(var(--red),var(--gold))}
.gk-cta-left h2{color:#fff;font-size:24px;margin-bottom:10px}
.gk-cta-left p{color:var(--muted);font-size:14.5px;max-width:520px}
.gk-cta-right{display:flex;gap:14px;flex-shrink:0}

/* 响应式 */
@media (max-width:1024px){
  .gk-hero-title{font-size:42px}
  .gk-safe-grid{grid-template-columns:1fr}
  .gk-exam-cols{grid-template-columns:1fr}
  .gk-mat-list{grid-template-columns:1fr 1fr}
  .gk-cta-card{flex-direction:column;align-items:flex-start}
  .gk-rel-list a{grid-template-columns:1fr;gap:6px}
  .gk-rel-list em{display:none}
}
@media (max-width:720px){
  .gk-hero-title{font-size:32px}
  .gk-sec-title{font-size:24px}
  .gk-mat-list{grid-template-columns:1fr}
  .gk-cta-right{width:100%;flex-direction:column}
  .gk-cta-right a{width:100%}
}
/* ================= 重构扩充组件（本片 15 页共用） ================= */
.rx-sec-head{margin-bottom:30px}
.rx-kicker{color:var(--red);font-weight:700;letter-spacing:3px;font-size:13px}
.rx-title{font-size:30px;color:#fff;font-weight:800;margin:8px 0 10px}
.rx-desc{color:var(--muted,#9aa0a8);font-size:14.5px;max-width:780px}

/* D 步骤条 */
.rx-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;counter-reset:rxstep}
.rx-step{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px 18px;transition:transform .3s,border-color .3s}
.rx-step:hover{transform:translateY(-5px);border-color:var(--gold)}
.rx-step::before{counter-increment:rxstep;content:"0"counter(rxstep);display:block;font-size:24px;font-weight:900;color:var(--red);margin-bottom:10px}
.rx-step h4{color:#fff;font-size:15.5px;margin-bottom:6px}
.rx-step p{color:var(--muted);font-size:13.5px}

/* E CSS 选项卡 */
.rx-tabs{display:flex;flex-direction:column}
.rx-tab-input{display:none}
.rx-tab-nav{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.rx-tab-nav label{padding:10px 20px;border:1px solid var(--line-2);border-radius:999px;color:var(--muted);cursor:pointer;font-size:14px;transition:all .25s}
.rx-tab-panel{display:none;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px 30px}
.rx-tab-panel h3{color:#fff;font-size:18px;margin-bottom:10px}
.rx-tab-panel p{color:var(--muted);font-size:14.5px;margin-bottom:8px}
.rx-tab-panel a{color:var(--gold);text-decoration:underline;text-underline-offset:3px}
.rx-tabs .rx-tab-input:nth-of-type(1):checked ~ .rx-tab-nav label:nth-child(1),
.rx-tabs .rx-tab-input:nth-of-type(2):checked ~ .rx-tab-nav label:nth-child(2),
.rx-tabs .rx-tab-input:nth-of-type(3):checked ~ .rx-tab-nav label:nth-child(3){background:rgba(224,38,29,.16);border-color:var(--red);color:#fff}
.rx-tabs .rx-tab-input:nth-of-type(1):checked ~ .rx-tab-panel:nth-of-type(1),
.rx-tabs .rx-tab-input:nth-of-type(2):checked ~ .rx-tab-panel:nth-of-type(2),
.rx-tabs .rx-tab-input:nth-of-type(3):checked ~ .rx-tab-panel:nth-of-type(3){display:block}

/* G 数字仪表盘 */
.rx-gauge{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.rx-gauge-item{background:linear-gradient(150deg,#1B1B24,#14141B);border:1px solid var(--line);border-radius:14px;padding:26px 22px;text-align:center;transition:transform .3s,border-color .3s}
.rx-gauge-item:hover{transform:translateY(-5px);border-color:var(--gold)}
.rx-gauge-item b{display:block;font-size:32px;font-weight:900;color:var(--gold);margin-bottom:8px}
.rx-gauge-item span{color:var(--muted);font-size:13.5px}

/* 警示框（陷阱提醒） */
.rx-warn{background:linear-gradient(120deg,rgba(224,38,29,.12),rgba(255,184,0,.05));border:1px solid rgba(224,38,29,.45);border-left:4px solid var(--red);border-radius:12px;padding:22px 26px}
.rx-warn h4{color:#fff;font-size:16px;margin-bottom:10px}
.rx-warn ul{display:grid;gap:8px}
.rx-warn li{color:var(--muted);font-size:14px;padding-left:18px;position:relative;list-style:none}
.rx-warn li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;background:var(--gold);border-radius:50%}

/* J 引用块 */
.rx-quote{border-left:3px solid var(--gold);padding:6px 0 6px 22px;color:var(--muted);font-size:15px;margin:20px 0;font-style:italic}

/* K 表格 */
.rx-table{width:100%;border-collapse:collapse;background:var(--card);border-radius:var(--radius);overflow:hidden}
.rx-table th{background:#14141B;color:#fff;text-align:left;padding:13px 16px;border-bottom:1px solid var(--line-2);font-size:14px}
.rx-table td{padding:13px 16px;border-bottom:1px solid var(--line);color:var(--muted);font-size:14px;vertical-align:top}
.rx-table a{color:var(--gold);text-decoration:underline;text-underline-offset:3px}

/* 加深 FAQ */
.rx-faq{display:grid;gap:12px}
.rx-faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;transition:border-color .3s}
.rx-faq details[open]{border-color:rgba(255,184,0,.5)}
.rx-faq summary{cursor:pointer;padding:16px 20px;color:#fff;font-weight:700;font-size:15px;list-style:none;position:relative;padding-right:40px}
.rx-faq summary::-webkit-details-marker{display:none}
.rx-faq summary::after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:22px;color:var(--red)}
.rx-faq details[open] summary::after{content:"–"}
.rx-faq details p{padding:0 20px 16px;color:var(--muted);font-size:14px}

/* F 团报阶梯 */
.rx-ladder{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.rx-ladder div{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px;text-align:center;transition:border-color .3s}
.rx-ladder div:hover{border-color:var(--gold)}
.rx-ladder b{display:block;color:var(--gold);font-size:18px;margin-bottom:8px}
.rx-ladder p{color:var(--muted);font-size:13.5px}

/* 本地考点附注 */
.rx-note{background:#14141B;border:1px dashed var(--line-2);border-radius:12px;padding:20px 24px;color:var(--muted);font-size:14px}
.rx-note b{color:#fff}

@media (max-width:1024px){
  .rx-steps{grid-template-columns:1fr 1fr}
  .rx-gauge{grid-template-columns:1fr}
  .rx-ladder{grid-template-columns:1fr}
}
@media (max-width:720px){
  .rx-steps{grid-template-columns:1fr}
  .rx-title{font-size:24px}
}