/* brand.css — 電車玩家 新版設計系統（首頁 / 收購頁共用）
   變數、容器、區塊留白、標題階層、按鈕、數字卡、四步驟流程、手機固定聯絡列 */
:root{
  --color-text-primary:#121713;
  --color-text-secondary:#606862;
  --color-bg-main:#F7F8F5;
  --color-bg-card:#FFFFFF;
  --color-bg-dark:#101512;
  --color-brand:#178A4B;
  --color-brand-hover:#116D3B;
  --color-brand-light:#EAF5EE;
  --color-brand-ondark:#45B878;
  --color-line:#06C755;
  --color-border:#DDE4DF;
  --color-danger:#C5403D;
  --radius-small:10px;
  --radius-medium:16px;
  --radius-large:24px;
  --container-width:1200px;
  --font-display:"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;
  --font-text:"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;
}
html{scroll-behavior:smooth}
body{color:var(--color-text-primary)}

/* == 容器與區塊 == */
.hm-container{width:min(var(--container-width),calc(100% - 40px));margin:0 auto}
@media (max-width:767px){.hm-container{width:calc(100% - 32px)}}
.hm-section{padding:96px 0}
.hm-section--alt{background:var(--color-bg-main)}
@media (max-width:1024px){.hm-section{padding:72px 0}}
@media (max-width:767px){.hm-section{padding:56px 0}}
.hm-head{max-width:640px;margin:0 auto 44px;text-align:center}
@media (max-width:767px){.hm-head{margin-bottom:30px}}
.hm-h2{font-size:clamp(30px,4vw,44px);line-height:1.2;font-weight:700;color:var(--color-text-primary);margin:0 0 14px;letter-spacing:-.015em}
.hm-sub{font-size:16px;line-height:1.75;color:var(--color-text-secondary);margin:0;max-width:34em;margin-left:auto;margin-right:auto}
.hm-eyebrow{display:inline-block;font-size:14px;font-weight:600;color:var(--color-brand);margin-bottom:10px}
.hm-sronly{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.hm-card-h{font-size:clamp(20px,2vw,25px);line-height:1.3;font-weight:700;margin:0;color:var(--color-text-primary)}
.hm-card-p{font-size:16px;line-height:1.75;color:var(--color-text-secondary);margin:0;max-width:32em}

/* == 按鈕 == */
.hm-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:0 24px;border-radius:12px;font-size:16px;font-weight:600;line-height:1.2;text-decoration:none;border:0;cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease}
.hm-btn:hover{text-decoration:none}
.hm-btn--line{background:var(--color-line);color:#fff}
.hm-btn--line:hover{background:#05B34E;color:#fff}
.hm-btn--brand{background:var(--color-brand);color:#fff}
.hm-btn--brand:hover{background:var(--color-brand-hover);color:#fff}
.hm-btn--ghost{background:var(--color-bg-card);color:var(--color-text-primary);border:1px solid var(--color-border)}
.hm-btn--ghost:hover{background:var(--color-brand-light);border-color:var(--color-brand);color:var(--color-brand-hover)}

/* == 導覽列微調 == */
.ev-nav__inner{padding-top:16px;padding-bottom:16px}
.ev-nav__links a{font-size:15px}

/* == 編號卡（為什麼找我們 / 事故狀況 / 價值評估）== */
.hm-why__grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media (max-width:767px){.hm-why__grid{grid-template-columns:1fr;gap:16px}}
.hm-why__card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-medium);padding:28px}
.hm-why__num{font-size:14px;font-weight:700;color:var(--color-brand);letter-spacing:.08em;margin-bottom:10px}
.hm-why__card h3{font-size:19px;line-height:1.35;font-weight:700;margin:0 0 8px;color:var(--color-text-primary)}
.hm-why__card p{font-size:15px;line-height:1.7;color:var(--color-text-secondary);margin:0}

/* == 四步驟流程 == */
.hm-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
@media (max-width:1024px){.hm-steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:767px){.hm-steps{grid-template-columns:1fr;gap:0}}
.hm-step{padding:4px 0}
.hm-step__n{width:44px;height:44px;border-radius:50%;background:var(--color-brand-light);color:var(--color-brand);font-size:16px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.hm-step h3{font-size:18px;font-weight:700;line-height:1.35;margin:0 0 6px;color:var(--color-text-primary)}
.hm-step p{font-size:15px;line-height:1.7;color:var(--color-text-secondary);margin:0}
@media (max-width:767px){
  .hm-step{position:relative;padding:0 0 28px 60px}
  .hm-step__n{position:absolute;left:0;top:0}
  .hm-step:not(:last-child)::before{content:"";position:absolute;left:21px;top:48px;bottom:4px;width:2px;background:var(--color-border)}
}
.hm-process__cta{text-align:center;margin-top:44px}
@media (max-width:767px){.hm-process__cta{margin-top:24px}}

/* == 手機固定聯絡列 == */
.mobile-contact-bar{position:fixed;left:0;right:0;bottom:0;z-index:1000;display:none;grid-template-columns:35fr 65fr;min-height:56px;box-shadow:0 -2px 12px rgba(0,0,0,.10);padding-bottom:env(safe-area-inset-bottom);background:var(--color-bg-card)}
.mobile-contact-bar a{display:flex;align-items:center;justify-content:center;gap:8px;min-height:56px;font-size:16px;font-weight:600;text-decoration:none}
.mobile-contact-bar__tel{background:var(--color-bg-dark);color:#fff}
.mobile-contact-bar__tel:hover{color:#fff}
.mobile-contact-bar__line{background:var(--color-line);color:#fff}
.mobile-contact-bar__line:hover{color:#fff}
@media (max-width:767px){
  .mobile-contact-bar{display:grid}
  body{padding-bottom:calc(56px + env(safe-area-inset-bottom))}
}

/* == 共用版型元件（收購頁/維修頁）== */
/* ===== 收購頁專屬樣式（共用規則見 brand.css）===== */
.bb2-hero{background:var(--color-bg-main);border-bottom:1px solid var(--color-border)}
.bb2-hero__grid{display:grid;grid-template-columns:45fr 55fr;gap:56px;align-items:center;min-height:650px;padding:56px 0}
.bb2-hero__badge{display:inline-block;background:var(--color-brand-light);color:var(--color-brand-hover);font-size:13px;font-weight:600;letter-spacing:.04em;padding:7px 14px;border-radius:999px;margin-bottom:18px}
.bb2-hero__title{font-size:clamp(36px,5vw,64px);line-height:1.1;font-weight:800;color:var(--color-text-primary);margin:0 0 18px;letter-spacing:-.02em}
.bb2-hero__title em{font-style:normal;color:var(--color-brand)}
.bb2-hero__desc{font-size:17px;line-height:1.75;color:var(--color-text-secondary);margin:0 0 8px;max-width:30em}
.bb2-hero__aux{font-size:14px;line-height:1.6;color:var(--color-text-secondary);margin:0 0 26px}
.bb2-hero__ctas{display:flex;gap:14px;flex-wrap:wrap}
.bb2-hero__checks{display:flex;gap:18px;flex-wrap:wrap;margin:18px 0 0;padding:0;list-style:none;font-size:14px;color:var(--color-text-secondary)}
.bb2-hero__checks li{display:inline-flex;align-items:center;gap:6px}
.bb2-hero__checks svg{color:var(--color-brand);flex-shrink:0}
.bb2-hero__media img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:22px;border:1px solid var(--color-border);box-shadow:0 8px 28px rgba(16,21,18,.08);display:block}
@media (max-width:1024px){.bb2-hero__grid{gap:32px;min-height:0;padding:48px 0}}
@media (max-width:767px){
  .bb2-hero__grid{grid-template-columns:1fr;gap:26px;padding:44px 0 40px}
  .bb2-hero__title{font-size:clamp(36px,10vw,40px);line-height:1.15}
  .bb2-hero__desc{font-size:16px}
  .bb2-hero__ctas{flex-direction:column}
  .bb2-hero__ctas .hm-btn{width:100%}
}
/* 信任三點 */
.bb2-trust{padding:56px 0;background:var(--color-bg-card);border-bottom:1px solid var(--color-border)}
.bb2-trust__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:767px){.bb2-trust{padding:40px 0}.bb2-trust__grid{grid-template-columns:1fr;gap:20px}}
.bb2-trust__item{display:flex;gap:14px;align-items:flex-start}
.bb2-trust__icon{width:44px;height:44px;border-radius:var(--radius-small);background:var(--color-brand-light);color:var(--color-brand);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.bb2-trust__item h3{font-size:18px;font-weight:700;margin:2px 0 4px;color:var(--color-text-primary)}
.bb2-trust__item p{font-size:15px;line-height:1.7;color:var(--color-text-secondary);margin:0}
/* 三欄卡（車種）/ 六欄卡（狀況）*/
.bb2-grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:1024px){.bb2-grid3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:767px){.bb2-grid3{grid-template-columns:1fr;gap:16px}}
.bb2-card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-medium);padding:28px}
.bb2-card h3{font-size:19px;font-weight:700;margin:0 0 12px;color:var(--color-text-primary)}
.bb2-card ul{margin:0;padding:0;list-style:none;font-size:15px;line-height:2;color:var(--color-text-secondary)}
.bb2-note{text-align:center;font-size:14px;line-height:1.6;color:var(--color-text-secondary);margin:28px auto 0;max-width:38em}
/* 準備資料 */
.bb2-docs{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media (max-width:767px){.bb2-docs{grid-template-columns:1fr;gap:16px}}
/* 案例卡 */
.bb2-cases{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:1024px){.bb2-cases{grid-template-columns:repeat(2,1fr)}}
@media (max-width:767px){.bb2-cases{grid-template-columns:1fr;gap:16px}}
.bb2-case{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-medium);overflow:hidden;display:flex;flex-direction:column}
.bb2-case__img{aspect-ratio:4/3;width:100%;height:auto;object-fit:cover;display:block;filter:saturate(.92)}
.bb2-case__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:6px;flex:1}
.bb2-case__tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:2px}
.bb2-tag{display:inline-block;font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;background:var(--color-brand-light);color:var(--color-brand-hover)}
.bb2-tag--solid{background:var(--color-brand);color:#fff}
.bb2-case__body h3{font-size:18px;font-weight:700;margin:0;color:var(--color-text-primary)}
.bb2-case__line{font-size:14px;line-height:1.6;color:var(--color-text-secondary);margin:0}
.bb2-case__result{font-size:14px;font-weight:600;color:var(--color-brand);margin:auto 0 0;padding-top:6px}
.bb2-more{margin:32px 0 0;text-align:center}
.bb2-more > summary{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:0 24px;border-radius:12px;font-size:16px;font-weight:600;background:var(--color-bg-card);color:var(--color-text-primary);border:1px solid var(--color-border);cursor:pointer;list-style:none;margin:0 auto;transition:background .2s ease}
.bb2-more > summary::-webkit-details-marker{display:none}
.bb2-more > summary:hover{background:var(--color-brand-light);border-color:var(--color-brand);color:var(--color-brand-hover)}
.bb2-more[open] > summary{display:none}
.bb2-more__wrap{text-align:center}
.bb2-more .bb2-cases{margin-top:32px;text-align:left}
/* FAQ 手風琴 */
.bb2-faq{max-width:840px;margin:0 auto;border-top:1px solid var(--color-border)}
.bb2-faq details{border-bottom:1px solid var(--color-border)}
.bb2-faq summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:52px;padding:16px 4px;font-size:17px;font-weight:600;color:var(--color-text-primary);line-height:1.5;cursor:pointer;list-style:none}
.bb2-faq summary::-webkit-details-marker{display:none}
.bb2-faq summary::after{content:"+";font-size:22px;font-weight:400;color:var(--color-text-secondary);flex-shrink:0;transition:transform .2s ease}
.bb2-faq details[open] summary::after{transform:rotate(45deg)}
.bb2-faq details p{font-size:16px;line-height:1.75;color:var(--color-text-secondary);margin:0;padding:0 4px 20px;max-width:44em}
/* 最終 CTA */
.bb2-cta{background:var(--color-bg-dark);color:#fff;padding:88px 0}
@media (max-width:767px){.bb2-cta{padding:60px 0}}
.bb2-cta__inner{max-width:640px;margin:0 auto;text-align:center}
.bb2-cta h2{font-size:clamp(30px,4vw,44px);line-height:1.2;font-weight:700;color:#fff;margin:0 0 14px;letter-spacing:-.015em}
.bb2-cta p{font-size:16px;line-height:1.75;color:rgba(255,255,255,.78);margin:0 0 30px}
.bb2-cta__ctas{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.bb2-cta .hm-btn--ghost{background:#fff;border-color:#fff}
.bb2-cta__aux{font-size:14px;color:rgba(255,255,255,.6);margin:22px 0 0!important}
@media (max-width:767px){.bb2-cta__ctas{flex-direction:column;align-items:stretch}}

/* == 全站四欄頁尾（手機 Accordion）== */
.ftr{background:var(--color-bg-main);border-top:1px solid var(--color-border);padding:56px 0 28px}
.ftr-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr) minmax(0,1fr) minmax(0,1fr);gap:40px}
.ftr-col summary{font-size:13px;font-weight:700;color:var(--color-text-primary);list-style:none;padding:2px 0 8px;cursor:default;display:flex;justify-content:space-between;align-items:center}
.ftr-col summary::-webkit-details-marker{display:none}
.ftr-col summary::after{content:"＋";font-size:14px;color:var(--color-text-secondary);display:none}
.ftr-col[open] summary::after{content:"－"}
.ftr-links a{display:block;font-size:13px;line-height:1.6;color:var(--color-text-secondary);text-decoration:none;padding:5px 0}
.ftr-links a:hover{color:var(--color-text-primary);text-decoration:none}
.ftr-links span{display:block;font-size:13px;line-height:1.6;color:var(--color-text-secondary);padding:5px 0}
.ftr-links .ftr-more{color:var(--color-brand);font-weight:600}
.ftr-links .ftr-more:hover{color:var(--color-brand-hover)}
.ftr-legal{font-size:12px;line-height:1.9;color:var(--color-text-secondary);border-top:1px solid var(--color-border);margin-top:36px;padding-top:20px}
@media (max-width:1024px){.ftr-grid{grid-template-columns:1fr 1fr;gap:28px 32px}}
@media (max-width:767px){
  .ftr{padding:32px 0 24px}
  .ftr-grid{grid-template-columns:1fr;gap:0}
  .ftr-col{border-bottom:1px solid var(--color-border)}
  .ftr-col summary{cursor:pointer;min-height:48px;align-items:center;padding:12px 0}
  .ftr-col summary::after{display:inline}
  .ftr-links{padding-bottom:12px}
  .ftr-legal{margin-top:24px}
}

/* == 指南文章卡 == */
.gcard-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:1024px){.gcard-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:767px){.gcard-grid{grid-template-columns:1fr;gap:16px}}
.gcard{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-medium);overflow:hidden;display:flex;flex-direction:column}
.gcard__media{display:block;aspect-ratio:16/9;overflow:hidden;background:#f4f5f2}
.gcard__media img{width:100%;height:100%;object-fit:cover;display:block;filter:saturate(.92)}
.gcard__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;gap:8px}
.gcard__cat{font-size:12px;font-weight:700;color:var(--color-brand)}
.gcard__title{font-size:18px;font-weight:700;line-height:1.4;margin:0}
.gcard__title a{color:var(--color-text-primary);text-decoration:none}
.gcard__title a:hover{color:var(--color-brand-hover);text-decoration:none}
.gcard__desc{font-size:14px;line-height:1.65;color:var(--color-text-secondary);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.gcard__foot{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:auto;padding-top:10px}
.gcard__date{font-size:12px;color:var(--color-text-secondary)}
.gcard__btn{min-height:40px;padding:0 16px;font-size:14px}
.gchip-row{display:flex;gap:8px;overflow-x:auto;padding:2px;margin:0 0 28px;justify-content:center;scrollbar-width:none}
.gchip-row::-webkit-scrollbar{display:none}
@media (max-width:767px){.gchip-row{justify-content:flex-start}}
.gchip{flex-shrink:0;min-height:44px;padding:0 18px;border-radius:999px;border:1px solid var(--color-border);background:var(--color-bg-card);font-size:15px;font-weight:600;color:var(--color-text-primary);cursor:pointer;transition:background .2s ease,border-color .2s ease}
.gchip:hover{background:var(--color-brand-light)}
.gchip.is-on{background:var(--color-brand);border-color:var(--color-brand);color:#fff}