@charset "utf-8";
/* ==========================================================================
   一条长河网 · 功能页专属样式 extra.css
   覆盖：关于我们 / 常见问题 / 联系我们 / 404 / 站点地图
   每页版式互不相同，仅在 base.css + page.css 之上做差异化扩展
   ========================================================================== */


/* ==========================================================================
   一、关于我们 about.html
   ========================================================================== */

/* —— A. 非对称图文故事区 —— */
.story{display:grid;gap:48px;align-items:center}
.story-img{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);aspect-ratio:4/3}
.story-img img{width:100%;height:100%;object-fit:cover}
/* 图片左下角浮动的咖啡色印章 */
.story-img .stamp{position:absolute;left:20px;bottom:20px;background:rgba(33,22,16,.78);color:var(--pink-300);font-family:var(--f-mono);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;padding:9px 16px;border-radius:24px;backdrop-filter:blur(4px)}
.story-text .eyebrow{margin-bottom:16px}
.story-text h2{margin-bottom:20px}
.story-text p{margin-bottom:18px;color:var(--brown-600);line-height:1.9}
.story-text .mission{font-family:var(--f-serif);font-style:italic;font-size:1.18rem;color:var(--brown-800);border-left:3px solid var(--pink-300);padding-left:18px;margin:24px 0}
/* 三项数据指标 */
.story-stats{display:flex;gap:38px;flex-wrap:wrap;margin-top:30px;padding-top:30px;border-top:1px solid var(--line)}
.story-stats .ss .num{font-family:var(--f-serif);font-size:2.4rem;font-weight:700;color:var(--brown-900);line-height:1;display:flex;align-items:baseline}
.story-stats .ss .num .plus{color:var(--pink-400);font-size:1.5rem;margin-left:2px}
.story-stats .ss .lbl{display:block;margin-top:8px;font-family:var(--f-mono);font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--coffee)}

/* —— B. 价值观卡片 —— */
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.value-card{background:var(--cream-50);border:1px solid var(--line);border-radius:var(--radius-lg);padding:36px 30px;box-shadow:var(--shadow-sm);transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s var(--ease);position:relative;overflow:hidden}
.value-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--coffee),var(--pink-300));transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.value-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--pink-200)}
.value-card:hover::before{transform:scaleX(1)}
.value-card .vic{width:56px;height:56px;border-radius:14px;background:var(--cream-200);display:flex;align-items:center;justify-content:center;color:var(--brown-800);margin-bottom:22px}
.value-card .vic svg{width:30px;height:30px}
.value-card h3{margin-bottom:12px}
.value-card p{color:var(--brown-600);font-size:.95rem;line-height:1.8}
.value-card .idx{position:absolute;right:22px;top:18px;font-family:var(--f-serif);font-size:2.6rem;font-weight:700;color:var(--cream-300);line-height:1}

/* —— C. 发展时间线（纵向） —— */
.timeline{position:relative;max-width:760px;margin:0 auto;padding-left:40px}
.timeline::before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--pink-300),var(--coffee),var(--latte))}
.tl-node{position:relative;padding-bottom:46px}
.tl-node:last-child{padding-bottom:0}
.tl-node::before{content:"";position:absolute;left:-39px;top:6px;width:18px;height:18px;border-radius:50%;background:var(--cream-50);border:3px solid var(--pink-400);box-shadow:0 0 0 5px var(--cream-100)}
.tl-node .yr{font-family:var(--f-mono);font-size:.82rem;letter-spacing:.16em;font-weight:700;color:var(--pink-500);text-transform:uppercase}
.tl-node h3{margin:8px 0 10px}
.tl-node p{color:var(--brown-600);line-height:1.85}

/* —— D. 团队卡片 —— */
.team{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.team-card{background:var(--cream-50);border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px 28px;text-align:center;box-shadow:var(--shadow-sm);transition:transform .4s var(--ease),box-shadow .4s var(--ease)}
.team-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.team-card .av{width:110px;height:110px;border-radius:50%;overflow:hidden;margin:0 auto 20px;border:4px solid var(--cream-200);box-shadow:0 8px 20px rgba(60,40,24,.16)}
.team-card .av img{width:100%;height:100%;object-fit:cover}
.team-card h3{font-size:1.25rem;margin-bottom:4px}
.team-card .role{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--coffee);font-weight:700;margin-bottom:14px}
.team-card .quote{font-family:var(--f-serif);font-style:italic;color:var(--brown-600);font-size:.95rem;line-height:1.7;position:relative;padding:0 6px}
.team-card .quote::before{content:"“";font-size:2.4rem;color:var(--pink-300);line-height:0;position:relative;top:14px;margin-right:2px;font-family:var(--f-serif)}


/* ==========================================================================
   二、常见问题 faq.html
   ========================================================================== */

/* 居中单列阅读区 */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-cat{margin-bottom:46px}
.faq-cat .cat-head{display:flex;align-items:center;gap:14px;margin-bottom:24px}
.faq-cat .cat-head .ic{width:44px;height:44px;border-radius:12px;background:var(--brown-800);color:var(--pink-300);display:flex;align-items:center;justify-content:center;flex:none}
.faq-cat .cat-head .ic svg{width:24px;height:24px}
.faq-cat .cat-head h2{font-size:1.5rem;margin:0}
.faq-cat .cat-head .cnt{font-family:var(--f-mono);font-size:.74rem;color:var(--muted);letter-spacing:.08em}

/* 手风琴条目 */
.faq-item{background:var(--cream-50);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;transition:border-color .3s var(--ease),box-shadow .3s var(--ease)}
.faq-item:hover{border-color:var(--latte)}
.faq-item.open{border-color:var(--pink-300);box-shadow:0 10px 26px rgba(201,106,84,.12)}
.faq-q{width:100%;display:flex;align-items:center;gap:18px;padding:20px 24px;text-align:left;cursor:pointer}
.faq-q .qmark{font-family:var(--f-serif);font-size:1.9rem;font-weight:700;color:var(--pink-400);line-height:1;flex:none;width:32px;text-align:center}
.faq-q .qtxt{flex:1;font-family:var(--f-serif);font-size:1.08rem;font-weight:700;color:var(--brown-900);letter-spacing:.3px}
.faq-q .chev{flex:none;width:24px;height:24px;color:var(--coffee);transition:transform .35s var(--ease)}
.faq-item.open .chev{transform:rotate(180deg);color:var(--pink-500)}
/* 答案区：用 grid 行高过渡实现展开 */
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .4s var(--ease)}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a .inner{overflow:hidden}
.faq-a .inner p{padding:0 24px 22px 74px;color:var(--brown-600);line-height:1.9;border-top:1px dashed var(--line);padding-top:18px;margin-top:4px}

/* 底部联系 CTA */
.faq-cta{margin-top:20px;background:linear-gradient(135deg,var(--cream-200),var(--cream-50));border:1px dashed var(--latte);border-radius:var(--radius-lg);padding:32px 36px;display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap}
.faq-cta h3{font-size:1.3rem}
.faq-cta p{color:var(--brown-600);margin-top:4px;font-size:.94rem}


/* ==========================================================================
   三、联系我们 contact.html
   ========================================================================== */

.contact-grid{display:grid;gap:48px;align-items:start}
/* 左侧信息卡 */
.contact-info .ci-head{margin-bottom:26px}
.contact-info .ci-head h2{font-size:1.7rem;margin-bottom:10px}
.contact-info .ci-head p{color:var(--brown-600);line-height:1.8}
.info-cards{display:flex;flex-direction:column;gap:14px;margin-bottom:28px}
.info-card{display:flex;align-items:center;gap:16px;background:var(--cream-50);border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px;transition:border-color .3s var(--ease),transform .3s var(--ease)}
.info-card:hover{border-color:var(--pink-300);transform:translateX(4px)}
.info-card .ic{width:46px;height:46px;border-radius:12px;background:var(--brown-800);color:var(--pink-300);display:flex;align-items:center;justify-content:center;flex:none}
.info-card .ic svg{width:22px;height:22px}
.info-card .ic-txt .lbl{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.info-card .ic-txt .val{font-family:var(--f-serif);font-size:1.05rem;font-weight:700;color:var(--brown-900);margin-top:2px;word-break:break-all}
.ci-social{display:flex;gap:12px}
.ci-social a{width:46px;height:46px;border-radius:12px;border:1px solid var(--line);background:var(--cream-50);display:flex;align-items:center;justify-content:center;color:var(--brown-700);transition:all .3s var(--ease)}
.ci-social a:hover{background:var(--brown-800);color:var(--pink-300);border-color:var(--brown-800);transform:translateY(-3px)}

/* 右侧表单 */
.contact-form{background:var(--cream-50);border:1px solid var(--line);border-radius:var(--radius-lg);padding:36px 34px;box-shadow:var(--shadow-sm)}
.contact-form h3{font-size:1.4rem;margin-bottom:6px}
.contact-form .cf-desc{color:var(--brown-600);font-size:.92rem;margin-bottom:26px}
.cf-field{margin-bottom:18px}
.cf-field label{display:block;font-family:var(--f-mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--coffee);font-weight:700;margin-bottom:8px}
.cf-field input,.cf-field textarea{width:100%;background:var(--cream-100);border:1.5px solid var(--line);border-radius:10px;padding:13px 16px;color:var(--brown-900);outline:none;transition:border-color .3s var(--ease),background .3s var(--ease);font-size:.96rem}
.cf-field input::placeholder,.cf-field textarea::placeholder{color:var(--muted)}
.cf-field input:focus,.cf-field textarea:focus{border-color:var(--pink-400);background:var(--cream-50)}
.cf-field textarea{resize:vertical;min-height:130px}
.cf-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.cf-submit{width:100%;justify-content:center;margin-top:6px}
/* 提交成功提示 */
.cf-note{margin-top:16px;padding:14px 18px;border-radius:10px;background:var(--pink-200);color:var(--pink-500);font-weight:700;font-family:var(--f-mono);font-size:.84rem;letter-spacing:.06em;display:none;align-items:center;gap:10px}
.cf-note.show{display:flex}

/* 地图占位区 */
.contact-map{position:relative;border-radius:var(--radius-lg);overflow:hidden;min-height:280px;display:flex;align-items:center;justify-content:center;background:var(--brown-900)}
.contact-map .bg{position:absolute;inset:0;z-index:0}
.contact-map .bg img{width:100%;height:100%;object-fit:cover;opacity:.28}
.contact-map .bg::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(33,22,16,.85),rgba(33,22,16,.55))}
.contact-map .cm-inner{position:relative;z-index:2;text-align:center;color:var(--cream-100);padding:30px}
.contact-map .cm-inner .pin{width:54px;height:54px;border-radius:50%;background:var(--pink-400);color:#fff;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;box-shadow:0 10px 26px rgba(196,106,84,.5)}
.contact-map .cm-inner .pin svg{width:26px;height:26px}
.contact-map .cm-inner h3{color:#fff;margin-bottom:8px}
.contact-map .cm-inner p{color:var(--cream-200);font-size:.95rem}


/* ==========================================================================
   四、404 页 404.html
   ========================================================================== */
.err-page{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:120px 20px 80px;overflow:hidden;background:var(--brown-900)}
.err-page .bg{position:absolute;inset:0;z-index:0}
.err-page .bg img{width:100%;height:100%;object-fit:cover;opacity:.22}
.err-page .bg::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(33,22,16,.86),rgba(60,40,24,.7))}
.err-inner{position:relative;z-index:2;max-width:620px}
.err-code{font-family:var(--f-serif);font-size:clamp(7rem,22vw,13rem);font-weight:700;line-height:.9;color:var(--pink-300);letter-spacing:2px;text-shadow:0 14px 50px rgba(196,106,84,.4)}
.err-cup{width:64px;height:64px;margin:0 auto 22px;color:var(--latte)}
.err-cup svg{width:100%;height:100%}
.err-msg{font-family:var(--f-serif);font-size:1.5rem;color:var(--cream-100);font-style:italic;margin-bottom:12px}
.err-sub{color:var(--cream-300);margin-bottom:34px;line-height:1.8}
.err-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}


/* ==========================================================================
   五、站点地图 sitemap.html
   ========================================================================== */
.sitemap-intro{max-width:680px;margin-bottom:48px}
.sitemap-intro p{color:var(--brown-600);line-height:1.85;margin-top:12px}
.sitemap-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.sm-group{background:var(--cream-50);border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 30px 22px;box-shadow:var(--shadow-sm);transition:box-shadow .4s var(--ease)}
.sm-group:hover{box-shadow:var(--shadow)}
.sm-group .gh{display:flex;align-items:center;gap:12px;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.sm-group .gh .ic{width:38px;height:38px;border-radius:10px;background:var(--cream-200);color:var(--brown-800);display:flex;align-items:center;justify-content:center;flex:none}
.sm-group .gh .ic svg{width:20px;height:20px}
.sm-group .gh h3{font-size:1.18rem;margin:0}
.sm-group .gh .tag{margin-left:auto}
.sm-list{display:grid;grid-template-columns:1fr 1fr;gap:4px 24px}
.sm-list li a{display:flex;align-items:center;gap:10px;padding:9px 4px;color:var(--brown-700);font-size:.94rem;border-radius:8px;transition:all .25s var(--ease)}
.sm-list li a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--latte);flex:none;transition:background .25s var(--ease)}
.sm-list li a:hover{color:var(--pink-500);background:var(--cream-100);padding-left:8px}
.sm-list li a:hover::before{background:var(--pink-400)}


/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width:1024px){
  .values{grid-template-columns:1fr 1fr}
  .team{grid-template-columns:1fr 1fr}
  .sitemap-grid{grid-template-columns:1fr}
}
@media (max-width:860px){
  .story{gap:32px}
  .story-stats{gap:26px}
  .values{grid-template-columns:1fr}
  .team{grid-template-columns:1fr;max-width:420px;margin:0 auto}
  .cf-row{grid-template-columns:1fr}
  .sm-list{grid-template-columns:1fr}
}
@media (max-width:520px){
  .story-stats{gap:20px}
  .story-stats .ss .num{font-size:1.9rem}
  .contact-form{padding:28px 22px}
  .faq-q{padding:18px 18px;gap:12px}
  .faq-q .qtxt{font-size:1rem}
  .faq-a .inner p{padding-left:64px;padding-right:18px}
}