/* =====================================================
   /developers/* 共用樣式
   沿用 partner.html 同款 cyber 風（深背景 + cyan 霓虹 + cards）
   ===================================================== */
:root{
  --ls-bg:#fff;--ls-border:#c0d0e0;--ls-text:#1e293b;--ls-accent:#0070c9;--ls-hover:rgba(0,112,201,.07);
  --bg:#000000;--bg2:#050912;--card:#0e1628;--card2:#111c35;
  --cyan:#00e5ff;--cyan2:#00b8d9;--purple:#c45cff;--blue:#0088dd;
  --tp:#ffffff;--ts:#b0c4d8;--tm:#6a8aab;--td:#2e4a68;
  --border:rgba(0,229,255,.12);--border2:rgba(0,229,255,.32);
  --font-sans:"Noto Sans TC",sans-serif;--font-serif:"Noto Serif TC",serif;
  --text-xs:.75rem;--text-sm:.875rem;--text-base:1rem;--text-lg:1.125rem;
  --text-xl:1.25rem;--text-3xl:1.875rem;--text-4xl:2.25rem;
  --radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-full:999px;
  --space-xs:.5rem;--space-sm:.75rem;--space-md:1rem;--space-lg:1.5rem;
  --space-xl:2rem;--space-2xl:3rem;--space-3xl:5rem;
  --max-width:1100px;--nav-height:80px;
  --card-padding:1.75rem;--btn-padding:.7rem 1.75rem;--btn-font-size:.95rem;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);background:var(--bg);color:var(--tp);line-height:1.7;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;background-image:linear-gradient(rgba(0,229,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(0,229,255,.03) 1px,transparent 1px);background-size:56px 56px;pointer-events:none;z-index:0}

/* NAV（同 partner.html）*/
header{position:sticky;top:0;z-index:200;height:80px;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:0 1.5rem;background-color:#fff;box-shadow:0 2px 8px rgba(0,0,0,.08)}
header::after{content:'';position:absolute;bottom:0;left:0;right:0;height:1px;background:#e5e9f0}
header nav{z-index:1;display:flex;align-items:center;gap:1.5rem;flex:1;justify-content:flex-end}
.nav-links{list-style:none;display:flex;gap:2rem;align-items:center}
.nav-links a{color:#1e293b;text-decoration:none;font-size:1.125rem;font-weight:500;padding:.2em 0;position:relative;transition:color .3s;letter-spacing:.02em;white-space:nowrap}
.nav-links a::after{content:'';position:absolute;bottom:-2px;left:50%;right:50%;height:1.5px;background:linear-gradient(90deg,#00e5ff,#00b4d8);transition:left .25s,right .25s}
.nav-links a:hover,.nav-links a:focus-visible{color:#0070c9}
.nav-links a:hover::after,.nav-links a:focus-visible::after{left:0;right:0}
.nav-links a.nav-active{color:#0070c9}
.nav-links a.nav-active::after{left:0;right:0}
.nav-cta{display:flex;align-items:center;gap:.6rem;z-index:1;flex-shrink:0}
.nav-cta .btn-register{padding:.5rem 1.25rem;border-radius:6px;font-size:1rem;font-weight:600;background:linear-gradient(135deg,#0070c9 0%,#00b4d8 100%);color:#fff;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:all .3s}
.nav-cta .btn-register:hover{filter:brightness(1.13);transform:translateY(-1px)}
.nav-cta .btn-login{padding:.5rem 1.25rem;border-radius:6px;font-size:1rem;font-weight:500;background:transparent;color:#1e293b;text-decoration:none;border:1px solid #0070c9;cursor:pointer;transition:all .3s}
.nav-cta .btn-login:hover{color:#0070c9;transform:translateY(-1px)}
.hamburger{display:none;align-items:center;justify-content:center;cursor:pointer;z-index:10;padding:6px;border-radius:6px;background:none;border:none;color:#1e293b;flex-shrink:0;line-height:1}
.hamburger:hover{background:rgba(0,0,0,.05)}
.mobile-menu{display:none;position:fixed;top:80px;left:0;right:0;background:rgba(4,6,8,.97);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid rgba(0,160,255,.12);padding:1.25rem 0 1.5rem;z-index:99;max-height:calc(100vh - 80px);overflow-y:auto;flex-direction:column;align-items:center;gap:.25rem}
.mobile-menu.open{display:flex}
.mobile-menu a{color:#8899bb;text-decoration:none;font-size:1rem;font-weight:500;padding:.65rem 2rem;width:100%;text-align:center;transition:color .2s,background .2s}
.mobile-menu a:hover{color:#fff;background:rgba(0,160,255,.06)}
.mobile-menu .m-cta{display:flex;gap:.75rem;margin-top:.5rem;padding:.5rem 2rem;width:100%}
.mobile-menu .btn-register,.mobile-menu .btn-login{display:block;text-align:center;margin:.4rem 2rem;padding:.65rem 1rem;border-radius:6px;font-weight:600;text-decoration:none;box-sizing:border-box;width:auto}
.mobile-menu .btn-register{background:linear-gradient(135deg,#0070c9,#00b4d8);color:#fff}
.mobile-menu .btn-login{background:transparent;color:#fff;border:1px solid #0070c9}
@media(max-width:1280px){.nav-links{display:none}.nav-cta .btn-login{display:none}.hamburger{display:flex}}
@media(max-width:768px){.nav-cta{display:none}}
.nav-home-logo{display:flex;align-items:center;z-index:2;text-decoration:none;flex-shrink:0}
.nav-home-logo img{height:52px;width:auto;display:block;transition:opacity .25s,transform .25s}
.nav-home-logo:hover img{opacity:.82;transform:scale(1.06)}

/* SECTIONS */
main{position:relative;z-index:1}
section{padding:var(--space-3xl) var(--space-xl);position:relative;z-index:1}
.section-inner{max-width:var(--max-width);margin:0 auto}
.section-header{text-align:center;margin-bottom:var(--space-2xl)}
.section-header.align-left{text-align:left}
.section-title{font-family:var(--font-serif);font-size:var(--text-3xl);font-weight:700;margin-bottom:var(--space-sm);color:var(--tp);letter-spacing:-.02em}
.section-title::after{content:"";display:block;width:48px;height:3px;background:linear-gradient(90deg,var(--cyan),var(--cyan2));box-shadow:0 0 10px rgba(0,229,255,.7);margin:.5rem auto 0;border-radius:2px}
.section-header.align-left .section-title::after{margin:.5rem 0 0}
.section-subtitle{font-size:var(--text-base);color:var(--ts)}
.eyebrow{font-size:.9rem;font-weight:700;letter-spacing:3px;text-transform:uppercase;color:var(--cyan);margin-bottom:10px}

/* HERO */
.dev-hero{position:relative;padding:5rem 1.5rem 4rem;overflow:hidden;background:radial-gradient(ellipse 60% 60% at 60% 30%,rgba(0,160,255,.18),transparent 60%),linear-gradient(180deg,var(--bg),#0a0f1f)}
.dev-hero::after{content:'';position:absolute;bottom:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--cyan),rgba(196,92,255,.8),var(--cyan),transparent)}
.hero-content{position:relative;z-index:2;max-width:780px;margin:0 auto;text-align:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(0,229,255,.07);border:1px solid rgba(0,229,255,.26);border-radius:var(--radius-full);padding:5px 16px;font-size:var(--text-sm);font-weight:500;color:var(--cyan);letter-spacing:.5px;margin-bottom:var(--space-lg)}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);animation:pulseDot 2s ease infinite}
@keyframes pulseDot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.3;transform:scale(.7)}}
.hero-title{font-family:var(--font-serif);font-size:clamp(2rem,5vw,3.4rem);font-weight:700;line-height:1.12;letter-spacing:-.02em;margin-bottom:var(--space-lg)}
.hero-title .t-cyan{display:block;background:linear-gradient(90deg,var(--cyan),#00f5ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;filter:drop-shadow(0 0 20px rgba(0,229,255,.4))}
.hero-title .t-w{display:block;color:#fff}
.hero-sub{font-size:var(--text-base);color:var(--ts);max-width:620px;margin:0 auto var(--space-xl);line-height:1.9}
.hero-sub strong{color:var(--cyan)}
.hero-sub code{font-family:'Share Tech Mono',monospace;background:rgba(0,229,255,.08);padding:1px 6px;border-radius:4px;color:var(--cyan);font-size:.95em}
.hero-btns{display:flex;gap:.75rem;justify-content:center;flex-wrap:wrap}
.btn-primary{padding:.75rem 1.75rem;border-radius:8px;background:linear-gradient(135deg,#0088dd,#00b4d8);color:#fff;text-decoration:none;font-weight:600;font-size:1rem;transition:all .25s;box-shadow:0 4px 14px rgba(0,180,216,.3)}
.btn-primary:hover{filter:brightness(1.13);transform:translateY(-2px)}
.btn-outline{padding:.75rem 1.75rem;border-radius:8px;background:rgba(0,229,255,.04);color:var(--cyan);text-decoration:none;font-weight:600;font-size:1rem;border:1.5px solid rgba(0,229,255,.4);transition:all .25s}
.btn-outline:hover{background:rgba(0,229,255,.1);border-color:var(--cyan);transform:translateY(-2px)}

/* Breadcrumb */
.breadcrumb{padding:1rem 1.5rem 0;max-width:var(--max-width);margin:0 auto;font-size:var(--text-sm);color:var(--tm);position:relative;z-index:5}
.breadcrumb a{color:var(--tm);text-decoration:none;transition:color .2s}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb .sep{margin:0 .5rem;color:var(--td)}

/* Card grid（總入口頁、「接下來」區塊）*/
.dev-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.25rem}
.dev-card{background:linear-gradient(180deg,var(--card),var(--card2));border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--card-padding);transition:all .25s;position:relative;overflow:hidden}
.dev-card:hover{border-color:var(--border2);transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,229,255,.08)}
.dev-card .icon{font-size:2rem;margin-bottom:.75rem;display:block}
.dev-card h3{font-family:var(--font-serif);font-size:1.25rem;color:var(--tp);margin-bottom:.5rem;font-weight:700}
.dev-card p{color:var(--ts);font-size:.95rem;line-height:1.7;margin-bottom:1rem}
.dev-card .cta{display:inline-flex;align-items:center;color:var(--cyan);text-decoration:none;font-weight:600;font-size:.95rem;transition:gap .2s}
.dev-card .cta:hover{gap:.5rem}

/* Step blocks */
.dev-steps{display:flex;flex-direction:column;gap:1.5rem}
.dev-step{display:flex;gap:1.25rem;background:linear-gradient(180deg,var(--card),var(--card2));border:1px solid var(--border);border-radius:var(--radius-md);padding:1.5rem}
.dev-step .step-num{flex-shrink:0;width:56px;height:56px;border-radius:50%;background:rgba(0,229,255,.1);border:1.5px solid var(--border2);display:flex;align-items:center;justify-content:center;font-family:var(--font-serif);font-size:1.4rem;font-weight:700;color:var(--cyan)}
.dev-step .step-body h3{font-family:var(--font-serif);font-size:1.2rem;color:var(--tp);margin-bottom:.5rem}
.dev-step .step-body p{color:var(--ts);font-size:.95rem;line-height:1.75}
.dev-step .step-body code{font-family:'Share Tech Mono',monospace;background:rgba(0,229,255,.08);padding:1px 6px;border-radius:4px;color:var(--cyan);font-size:.9em}
.dev-step .step-body pre{margin-top:.75rem;background:#020610;border:1px solid var(--border);border-radius:var(--radius-sm);padding:.85rem 1rem;overflow-x:auto;font-family:'Share Tech Mono',monospace;font-size:.85rem;color:#b0e8ff;line-height:1.65}
.dev-step .step-body a{color:var(--cyan);text-decoration:none;border-bottom:1px dashed rgba(0,229,255,.4);transition:color .2s}
.dev-step .step-body a:hover{color:#00f5ff}

/* Doc section: 段落 + pre/code + table 共用樣式 */
.doc-section{margin-bottom:var(--space-2xl)}
.doc-section h2{font-family:var(--font-serif);font-size:1.5rem;color:var(--tp);margin-bottom:1rem;font-weight:700;letter-spacing:-.01em}
.doc-section h2::before{content:"";display:inline-block;width:8px;height:8px;background:var(--cyan);border-radius:50%;margin-right:.6rem;vertical-align:middle;box-shadow:0 0 8px var(--cyan)}
.doc-section h3{font-family:var(--font-serif);font-size:1.15rem;color:var(--cyan);margin:1.5rem 0 .75rem;font-weight:700}
.doc-body{color:var(--ts);font-size:.98rem;line-height:1.85}
.doc-body p{margin-bottom:1rem}
.doc-body strong{color:var(--tp);font-weight:600}
.doc-body a{color:var(--cyan);text-decoration:none;border-bottom:1px dashed rgba(0,229,255,.4);transition:color .2s}
.doc-body a:hover{color:#00f5ff}
.doc-body code{font-family:'Share Tech Mono',monospace;background:rgba(0,229,255,.08);padding:1px 6px;border-radius:4px;color:#7fe5ff;font-size:.9em}
.doc-body pre{background:#020610;border:1px solid var(--border);border-radius:var(--radius-md);padding:1rem 1.2rem;overflow-x:auto;margin:1rem 0;font-family:'Share Tech Mono',monospace;font-size:.88rem;color:#b0e8ff;line-height:1.7}
.doc-body pre code{background:transparent;padding:0;color:inherit}
.doc-body ol,.doc-body ul{margin:.5rem 0 1rem 1.5rem;color:var(--ts)}
.doc-body ol li,.doc-body ul li{margin-bottom:.4rem;line-height:1.85}

/* Doc table */
.doc-table{width:100%;border-collapse:collapse;margin:1rem 0;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;font-size:.92rem}
.doc-table th{background:rgba(0,229,255,.08);color:var(--cyan);text-align:left;padding:.85rem 1rem;font-weight:700;border-bottom:1px solid var(--border2)}
.doc-table td{padding:.75rem 1rem;color:var(--ts);border-bottom:1px solid var(--border);vertical-align:top;line-height:1.7}
.doc-table tr:last-child td{border-bottom:none}
.doc-table tr:hover td{background:rgba(0,229,255,.025)}
.doc-table td code{font-family:'Share Tech Mono',monospace;background:rgba(0,229,255,.08);padding:1px 6px;border-radius:4px;color:#7fe5ff;font-size:.92em}

/* Debug panel mockup（取代舊 ASCII 框 — 避免 CJK + box-drawing 字寬不一致造成外框斷點）*/
.dev-mockup{background:#020610;border:1px solid var(--border2);border-radius:var(--radius-md);margin:1rem 0;overflow:hidden;box-shadow:0 0 24px rgba(0,229,255,.06) inset;font-family:var(--font-sans);font-size:.9rem;color:var(--ts);line-height:1.65}
.dev-mockup-titlebar{display:flex;justify-content:space-between;align-items:center;padding:.65rem 1rem;background:rgba(0,229,255,.05);border-bottom:1px solid var(--border)}
.dev-mockup-title{color:var(--cyan);font-weight:600;font-size:.95rem}
.dev-mockup-close{color:var(--tm);font-size:1rem}
.dev-mockup-section{padding:.85rem 1rem;border-top:1px dashed var(--border)}
.dev-mockup-section:first-of-type{border-top:none}
.dev-mockup-section-title{color:var(--cyan);font-weight:600;margin-bottom:.6rem;font-size:.92rem}
.dev-mockup-kv{display:flex;gap:.5rem;align-items:baseline;flex-wrap:wrap;margin-bottom:.3rem}
.dev-mockup-kv .k{color:var(--tm);min-width:96px;flex-shrink:0}
.dev-mockup-kv .v{color:var(--tp);word-break:break-word}
.dev-mockup-kv .v code{font-family:'Share Tech Mono',monospace;background:rgba(0,229,255,.08);padding:1px 6px;border-radius:4px;color:var(--cyan);font-size:.9em}
.dev-mockup-actions{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:.6rem}
.dev-mockup-btn{display:inline-block;padding:.32rem .75rem;background:rgba(0,229,255,.07);border:1px solid rgba(0,229,255,.3);border-radius:var(--radius-sm);color:var(--cyan);font-size:.85rem;white-space:nowrap}
.dev-mockup-btn.small{padding:.2rem .55rem;font-size:.78rem}
.dev-mockup-req{background:rgba(0,229,255,.02);border:1px solid var(--border);border-radius:var(--radius-sm);padding:.65rem .85rem;margin-bottom:.6rem}
.dev-mockup-req-head,.dev-mockup-req-brief{display:flex;gap:.55rem;align-items:center;flex-wrap:wrap;font-family:'Share Tech Mono',monospace;font-size:.85rem}
.dev-mockup-req-head{margin-bottom:.5rem;padding-bottom:.4rem;border-bottom:1px dashed var(--border)}
.dev-mockup-req-brief{padding:.35rem 0;border-bottom:1px dashed var(--border)}
.dev-mockup-req-brief:last-child{border-bottom:none}
.dev-mockup-req-head .t,.dev-mockup-req-brief .t{color:var(--tm)}
.dev-mockup-req-head .m,.dev-mockup-req-brief .m{display:inline-block;padding:1px 7px;border-radius:var(--radius-sm);font-weight:700;font-size:.75rem;letter-spacing:.5px}
.dev-mockup-req-head .m.GET,.dev-mockup-req-brief .m.GET{background:rgba(0,229,255,.15);color:var(--cyan);border:1px solid rgba(0,229,255,.4)}
.dev-mockup-req-head .m.POST,.dev-mockup-req-brief .m.POST{background:rgba(196,92,255,.15);color:#e0a8ff;border:1px solid rgba(196,92,255,.4)}
.dev-mockup-req-head .p,.dev-mockup-req-brief .p{color:var(--tp);flex:1;word-break:break-all}
.dev-mockup-req-head .s,.dev-mockup-req-brief .s{color:#7fffaa;font-size:.85rem}
@media(max-width:640px){.dev-mockup{font-size:.85rem}.dev-mockup-kv .k{min-width:auto;width:100%}}

/* API endpoint card */
.api-endpoint{background:linear-gradient(180deg,var(--card),var(--card2));border:1px solid var(--border);border-radius:var(--radius-md);padding:1.5rem 1.75rem;margin-bottom:1.5rem}
.api-endpoint .method-row{display:flex;align-items:center;gap:.75rem;margin-bottom:.75rem;flex-wrap:wrap}
.api-endpoint .method{display:inline-block;padding:.25rem .75rem;border-radius:var(--radius-sm);font-family:'Share Tech Mono',monospace;font-weight:700;font-size:.85rem;letter-spacing:.5px}
.api-endpoint .method.GET{background:rgba(0,229,255,.15);color:var(--cyan);border:1px solid rgba(0,229,255,.5)}
.api-endpoint .method.POST{background:rgba(196,92,255,.15);color:#e0a8ff;border:1px solid rgba(196,92,255,.5)}
.api-endpoint .path{font-family:'Share Tech Mono',monospace;font-size:1.05rem;color:var(--tp);font-weight:600}
.api-endpoint .summary{color:var(--ts);font-size:.95rem;margin-bottom:1rem;line-height:1.75}
.api-endpoint h4{font-family:var(--font-serif);font-size:1rem;color:var(--cyan);margin:1rem 0 .5rem;font-weight:700}
.api-endpoint pre{background:#020610;border:1px solid var(--border);border-radius:var(--radius-sm);padding:.85rem 1rem;overflow-x:auto;font-family:'Share Tech Mono',monospace;font-size:.85rem;color:#b0e8ff;line-height:1.65;margin:.4rem 0}
.api-endpoint code{font-family:'Share Tech Mono',monospace;background:rgba(0,229,255,.08);padding:1px 6px;border-radius:4px;color:#7fe5ff;font-size:.9em}

/* FAQ details */
.dev-faqs{display:flex;flex-direction:column;gap:.75rem}
.dev-faqs details{background:linear-gradient(180deg,var(--card),var(--card2));border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;transition:border-color .2s}
.dev-faqs details:hover{border-color:var(--border2)}
.dev-faqs details[open]{border-color:var(--border2)}
.dev-faqs summary{padding:1rem 1.25rem;cursor:pointer;font-weight:600;color:var(--tp);font-size:1rem;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.dev-faqs summary::after{content:'+';color:var(--cyan);font-size:1.4rem;font-weight:400;line-height:1;transition:transform .2s}
.dev-faqs details[open] summary::after{content:'−'}
.dev-faqs summary::-webkit-details-marker{display:none}
.dev-faqs .faq-a{padding:0 1.25rem 1.25rem;color:var(--ts);font-size:.95rem;line-height:1.8;border-top:1px solid var(--border)}
.dev-faqs .faq-a code{font-family:'Share Tech Mono',monospace;background:rgba(0,229,255,.08);padding:1px 6px;border-radius:4px;color:#7fe5ff;font-size:.9em}
.dev-faqs .faq-a pre{background:#020610;border:1px solid var(--border);border-radius:var(--radius-sm);padding:.85rem 1rem;margin:.5rem 0;overflow-x:auto;font-family:'Share Tech Mono',monospace;font-size:.85rem;color:#b0e8ff;line-height:1.65}
.dev-faqs .faq-a ol,.dev-faqs .faq-a ul{margin:.4rem 0 .4rem 1.5rem}
.dev-faqs .faq-a a{color:var(--cyan);border-bottom:1px dashed rgba(0,229,255,.4);text-decoration:none}

/* CTA footer area */
.dev-cta-box{background:linear-gradient(135deg,rgba(0,229,255,.06),rgba(196,92,255,.04));border:1px solid var(--border2);border-radius:var(--radius-lg);padding:2.5rem 2rem;text-align:center;margin-top:var(--space-2xl)}
.dev-cta-box h2{font-family:var(--font-serif);font-size:1.6rem;color:var(--tp);margin-bottom:.75rem}
.dev-cta-box p{color:var(--ts);margin-bottom:1.5rem;font-size:1rem;line-height:1.8}
.dev-cta-box p code{font-family:'Share Tech Mono',monospace;background:rgba(0,229,255,.1);padding:2px 8px;border-radius:4px;color:var(--cyan)}

@media(max-width:768px){
  .dev-hero{padding:3rem 1rem 2.5rem}
  section{padding:2.5rem 1rem}
  .dev-step{flex-direction:column}
  .dev-step .step-num{width:48px;height:48px;font-size:1.2rem}
  .doc-section h2{font-size:1.3rem}
  .doc-table{font-size:.85rem;display:block;overflow-x:auto}
}

/* =====================================================
   共用頁尾樣式（與 style-config.css 同步，避免 footer 在 developers/* 沒套樣式）
   ===================================================== */