/* ThaiData Open Platform — buildless static styles. No remote fonts/CDN. */
:root{
  --navy:#0b1f44; --navy-2:#13294f; --blue:#1f63d6; --blue-ink:#1a56bd; --blue-50:#eef3fd;
  --gold:#f2b705; --ink:#0b1f44; --body:#334155; --mut:#64748b;
  --line:#e4e9f1; --line-2:#eef1f6; --bg:#ffffff; --bg-alt:#f7f9fc; --bg-code:#0d2043;
  --ok:#157f4b; --ok-bg:#e8f6ee; --warn:#b5620a; --warn-bg:#fdf1e3; --hold:#5b4fb5; --hold-bg:#eeecfb;
  --radius:14px; --radius-lg:20px; --shadow:0 1px 2px rgba(11,31,68,.06),0 8px 30px rgba(11,31,68,.07);
  --shadow-lg:0 20px 60px rgba(11,31,68,.16);
  --maxw:1120px; --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans Thai","Sarabun",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);color:var(--body);background:var(--bg);line-height:1.6;
  font-size:16.5px;letter-spacing:-.005em;-webkit-font-smoothing:antialiased}
html[data-lang="th"] body{line-height:1.75}
h1,h2,h3,h4{color:var(--ink);line-height:1.18;letter-spacing:-.02em;margin:0}
h1{font-size:clamp(2.1rem,4.6vw,3.35rem);font-weight:800}
h2{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:800}
h3{font-size:1.18rem;font-weight:700}
p{margin:0}
a{color:var(--blue-ink);text-decoration:none}
a:hover{text-decoration:underline}
code{font-family:var(--mono);font-size:.9em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%}
.wrap-narrow{max-width:800px}
.skip{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:10px 16px;border-radius:0 0 10px 0;z-index:100}
.skip:focus{left:0}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;font:inherit;font-weight:650;
  border-radius:11px;padding:13px 22px;border:1px solid transparent;cursor:pointer;transition:.15s;
  text-decoration:none;white-space:nowrap}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-sm{padding:9px 16px;border-radius:9px;font-size:.93rem}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 1px 2px rgba(31,99,214,.3),0 6px 18px rgba(31,99,214,.22)}
.btn-primary:hover{background:var(--blue-ink)}
.btn-ghost{background:#fff;color:var(--navy);border-color:var(--line)}
.btn-ghost:hover{border-color:#c9d4e6;background:#fcfdff}
.btn-ok{background:var(--ok-bg);color:var(--ok);border-color:#bfe6cd}
.btn-warn{background:var(--warn-bg);color:var(--warn);border-color:#f3d7b4}
.btn-hold{background:var(--hold-bg);color:var(--hold);border-color:#d4ceef}
.btn-ok:hover,.btn-warn:hover,.btn-hold:hover{filter:brightness(.98)}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);
  backdrop-filter:saturate(1.6) blur(12px);border-bottom:1px solid var(--line-2)}
.header-inner{display:flex;align-items:center;gap:22px;height:66px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand img{display:block;height:30px;width:auto}
.brand:hover{text-decoration:none}
.brand-tag{font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--mut);
  padding:3px 8px;border:1px solid var(--line);border-radius:999px;margin-top:1px}
.nav{display:flex;gap:4px;margin-left:8px}
.nav a{color:var(--body);font-weight:550;font-size:.96rem;padding:8px 13px;border-radius:9px}
.nav a:hover{background:var(--blue-50);color:var(--navy);text-decoration:none}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.lang{display:inline-flex;border:1px solid var(--line);border-radius:9px;overflow:hidden;background:#fff}
.lang-btn{font:inherit;font-size:.86rem;font-weight:650;border:0;background:transparent;color:var(--mut);
  padding:7px 11px;cursor:pointer}
.lang-btn.is-active{background:var(--navy);color:#fff}
.menu-toggle{display:none;flex-direction:column;gap:4px;width:42px;height:38px;border:1px solid var(--line);
  background:#fff;border-radius:9px;cursor:pointer;align-items:center;justify-content:center}
.menu-toggle span{width:18px;height:2px;background:var(--navy);border-radius:2px;transition:.2s}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* hero */
.hero{padding:clamp(48px,7vw,92px) 0 clamp(40px,5vw,70px);
  background:radial-gradient(1200px 500px at 72% -8%,#eaf1fe 0,rgba(234,241,254,0) 60%),
             linear-gradient(180deg,#fbfcff 0,#fff 100%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;font-size:.82rem;font-weight:650;color:var(--blue-ink);
  background:#fff;border:1px solid #d7e3f8;border-radius:999px;padding:6px 14px;box-shadow:var(--shadow)}
.pill .dot{width:8px;height:8px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 3px rgba(242,183,5,.22)}
.hero h1{margin:18px 0 0}
.lede{font-size:1.14rem;color:var(--body);margin-top:18px;max-width:38ch}
.hero-cta{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.hero-note{font-size:.92rem;color:var(--mut);margin-top:16px;max-width:44ch}
.hero-demo{position:relative}
.demo-cap,.sb-flag{font-size:.8rem;color:var(--mut)}
.demo-cap{margin-top:10px;text-align:right}

/* code window */
.code-window{background:var(--bg-code);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);
  border:1px solid #0a1a38}
.cw-bar{display:flex;align-items:center;gap:7px;padding:11px 14px;background:#0a1a38;border-bottom:1px solid #16305c}
.cw-dot{width:11px;height:11px;border-radius:50%;background:#2c436e}
.cw-dot:nth-child(1){background:#ff5f57}.cw-dot:nth-child(2){background:#febc2e}.cw-dot:nth-child(3){background:#28c840}
.cw-title{color:#9db5e0;font-family:var(--mono);font-size:.82rem;margin-left:6px}
.cw-bar .copy-btn{margin-left:auto}
.cw-body{margin:0;padding:18px 18px 20px;overflow:auto;color:#dce8ff;font-family:var(--mono);
  font-size:.86rem;line-height:1.65}
.cw-body code{font-size:inherit;white-space:pre}
.c-mut{color:#6f88b8}.c-key{color:#8fd0ff}.c-str{color:#ffd98a}.c-ok{color:#7ee2a8}
.copy-btn{font:inherit;font-size:.78rem;font-weight:650;color:#bcd0f5;background:#16305c;border:1px solid #244a84;
  border-radius:7px;padding:5px 11px;cursor:pointer}
.copy-btn:hover{background:#1d3c6f}
.copy-btn.copied{color:#7ee2a8;border-color:#2d6b48}

/* sections */
.section{padding:clamp(56px,8vw,96px) 0}
.section-alt{background:var(--bg-alt);border-block:1px solid var(--line-2)}
.sec-head{max-width:720px;margin-bottom:42px}
.sec-sub{font-size:1.08rem;color:var(--mut);margin-top:14px}

/* overview features */
.feature-row{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow)}
.feature .fi{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;font-size:1.3rem;
  background:var(--blue-50);color:var(--blue-ink);margin-bottom:16px;font-weight:700}
.feature h3{margin-bottom:9px}
.feature p{font-size:.97rem}
.feature code,.fields code,.callout code,.ac-body code{background:var(--blue-50);color:var(--blue-ink);
  padding:1px 6px;border-radius:5px}
.callout{margin-top:30px;background:linear-gradient(180deg,#fffdf5,#fff);border:1px solid #f0e3bd;
  border-left:4px solid var(--gold);border-radius:var(--radius);padding:24px 26px}
.callout strong{color:var(--navy);font-size:1.02rem;display:block;margin-bottom:12px}
.callout ul{margin:0;padding-left:20px}
.callout li{margin:7px 0}
.callout em{font-style:normal;font-weight:700;color:var(--navy)}

/* steps */
.steps{list-style:none;counter-reset:s;margin:0 0 36px;padding:0;display:grid;gap:18px}
.step{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px}
.step-n{flex-shrink:0;width:38px;height:38px;border-radius:10px;background:var(--navy);color:#fff;
  display:grid;place-items:center;font-weight:800}
.step h3{margin-bottom:6px}
.step p{font-size:.97rem}
.states{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.state{border-radius:var(--radius);padding:20px;border:1px solid var(--line);background:#fff}
.s-tag{display:inline-block;font-family:var(--mono);font-size:.82rem;font-weight:700;padding:4px 10px;
  border-radius:7px;margin-bottom:11px}
.state-ok{background:var(--ok-bg);border-color:#bfe6cd}.state-ok .s-tag{background:#d2eedd;color:var(--ok)}
.state-warn{background:var(--warn-bg);border-color:#f3d7b4}.state-warn .s-tag{background:#f8e2c6;color:var(--warn)}
.state-hold{background:var(--hold-bg);border-color:#d4ceef}.state-hold .s-tag{background:#e0dbf7;color:var(--hold)}
.state p{font-size:.93rem;color:var(--navy-2)}

/* api */
.tag-preview,.tag-preview{font-size:.62em;font-weight:700;vertical-align:middle;color:var(--gold);
  background:#fff7e0;border:1px solid #f0e3bd;padding:3px 9px;border-radius:999px;letter-spacing:.02em;margin-left:8px}
.api-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.api-doc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.endpoint{display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:var(--bg-alt);border:1px solid var(--line);
  border-radius:10px;padding:11px 14px;margin-bottom:20px;font-family:var(--mono);font-size:.86rem}
.method{background:var(--ok);color:#fff;font-weight:700;padding:3px 9px;border-radius:6px;font-size:.78rem}
.path{color:var(--navy);word-break:break-all}
.api-doc h4{margin:20px 0 10px;font-size:.98rem}
.api-doc h4:first-of-type{margin-top:0}
.fields{width:100%;border-collapse:collapse;font-size:.9rem}
.fields td{border-top:1px solid var(--line-2);padding:9px 8px;vertical-align:top}
.fields tr:first-child td{border-top:0}
.fields td:first-child{white-space:nowrap;width:1%}
.fields td:nth-child(2){color:var(--mut);font-size:.8rem;white-space:nowrap}
.req{color:var(--blue-ink)!important;font-weight:650}.opt{color:var(--mut)}.enum{color:var(--hold)!important}
.fine{margin-top:18px;font-size:.86rem;color:var(--mut);background:var(--bg-alt);border-radius:10px;padding:13px 15px;border:1px solid var(--line-2)}
.api-sample .tabs{display:flex;gap:4px;margin-bottom:12px}
.tab{font:inherit;font-weight:650;font-size:.9rem;color:var(--mut);background:transparent;border:1px solid transparent;
  padding:8px 15px;border-radius:9px;cursor:pointer}
.tab:hover{color:var(--navy);background:#fff}
.tab.is-active{background:var(--navy);color:#fff}
.sample-cap{margin-top:10px}

/* sandbox */
.sandbox{margin-top:40px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow)}
.sb-head{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.sb-flag{background:#fff7e0;border:1px solid #f0e3bd;color:var(--warn);font-weight:650;padding:4px 11px;border-radius:999px}
.sb-sub{color:var(--mut);font-size:.95rem;margin-top:10px;max-width:70ch}
.sb-controls{display:flex;gap:18px;align-items:flex-end;flex-wrap:wrap;margin:20px 0}
.sb-field{display:flex;flex-direction:column;gap:7px;font-size:.86rem;font-weight:650;color:var(--navy)}
.sb-field input{font-family:var(--mono);font-size:.95rem;padding:11px 13px;border:1px solid var(--line);
  border-radius:10px;min-width:260px;color:var(--navy)}
.sb-field input:focus{outline:2px solid var(--blue);border-color:var(--blue)}
.sb-btns{display:flex;gap:9px;flex-wrap:wrap}
.sb-out .cw-body{min-height:150px}

/* faq */
.accordion{display:grid;gap:12px}
.ac{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.ac summary{cursor:pointer;padding:18px 22px;font-weight:650;color:var(--navy);list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:1.02rem}
.ac summary::-webkit-details-marker{display:none}
.ac summary::after{content:"+";font-size:1.4rem;color:var(--blue);font-weight:400;line-height:1}
.ac[open] summary::after{content:"–"}
.ac[open] summary{border-bottom:1px solid var(--line-2)}
.ac-body{padding:16px 22px 20px}
.ac-body p{color:var(--body);font-size:.98rem}

/* footer */
.site-footer{background:var(--navy);color:#b9c6de;padding:54px 0 26px;margin-top:0}
.footer-inner{display:grid;grid-template-columns:1.2fr 1.4fr;gap:40px;padding-bottom:36px;border-bottom:1px solid #1c3461}
.foot-brand img{filter:brightness(0) invert(1);opacity:.96;height:28px;margin-bottom:14px}
.foot-brand p{font-size:.93rem;max-width:34ch;color:#9fb0cd}
.foot-cols{display:grid;grid-template-columns:1fr 1.3fr;gap:30px}
.foot-col{display:flex;flex-direction:column;gap:9px}
.foot-col h4{color:#fff;font-size:.82rem;text-transform:uppercase;letter-spacing:.07em;margin-bottom:5px}
.foot-col a{color:#b9c6de;font-size:.94rem}
.foot-col a:hover{color:#fff}
.foot-note{font-size:.84rem;color:#8498b9;line-height:1.5}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;
  font-size:.86rem;color:#8498b9}
.foot-free{color:var(--gold)}

/* modals */
.modal{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:20px}
.modal[hidden]{display:none}
.modal-backdrop{position:absolute;inset:0;background:rgba(11,31,68,.55);backdrop-filter:blur(3px)}
.modal-card{position:relative;background:#fff;border-radius:var(--radius-lg);padding:30px;max-width:520px;width:100%;
  box-shadow:var(--shadow-lg);max-height:90vh;overflow:auto;animation:pop .18s ease}
.modal-sm{max-width:440px}
@keyframes pop{from{transform:translateY(8px) scale(.98);opacity:0}to{transform:none;opacity:1}}
.modal-x{position:absolute;top:14px;right:16px;border:0;background:transparent;font-size:1.7rem;line-height:1;
  color:var(--mut);cursor:pointer;padding:4px}
.modal-card h3{margin-bottom:10px}
.am-note{font-size:.92rem;color:var(--mut);margin-bottom:18px}
.am-form{display:grid;gap:14px}
.am-form label{display:flex;flex-direction:column;gap:6px;font-size:.85rem;font-weight:650;color:var(--navy)}
.am-form input,.am-form textarea{font:inherit;font-size:.95rem;padding:10px 12px;border:1px solid var(--line);
  border-radius:9px;color:var(--navy);resize:vertical}
.am-form input:focus,.am-form textarea:focus{outline:2px solid var(--blue);border-color:var(--blue)}
.am-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.am-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:4px}
.am-status{font-size:.9rem;color:var(--mut);min-height:1.2em;margin:2px 0 0;line-height:1.5}
.am-status.ok{color:var(--ok);font-weight:600}
.am-status.err{color:var(--warn);font-weight:600}
.am-status.hold{color:var(--hold);font-weight:600}
.am-status code{background:var(--bg-alt);padding:1px 6px;border-radius:5px;color:var(--navy)}
@media(max-width:520px){.am-row{grid-template-columns:1fr}}
.ext-url{font-family:var(--mono);font-size:.9rem;background:var(--bg-alt);border:1px solid var(--line);
  border-radius:9px;padding:12px 14px;margin:14px 0;word-break:break-all;color:var(--navy)}

/* responsive */
/* grid/flex 子项可收缩到小于内容宽度,内部代码/表格各自滚动(不靠 body overflow 掩盖)。桌面观感不变。 */
.hero-demo,.api-doc,.api-sample,.code-window,.sandbox,.sb-out,.feature,.step,.state,.callout{min-width:0}
.cw-body{max-width:100%}

@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .feature-row,.states,.api-grid,.footer-inner,.foot-cols{grid-template-columns:1fr}
  .hero-grid>*,.api-grid>*,.feature-row>*,.states>*,.footer-inner>*{min-width:0}
  .lede,.hero-note{max-width:none}
  /* 窄屏:字段表固定布局 + 字段名可换行,代码窗口内部横向滚动,保证页面不横向溢出 */
  .fields{table-layout:fixed}
  .fields td:last-child{overflow-wrap:anywhere}
  .fields td:first-child{white-space:normal;overflow-wrap:anywhere;width:40%}
  .endpoint .path{overflow-wrap:anywhere}
}
@media(max-width:720px){
  .nav{position:fixed;inset:66px 0 auto 0;flex-direction:column;gap:2px;background:#fff;
    border-bottom:1px solid var(--line);padding:12px 16px 18px;box-shadow:var(--shadow-lg);
    transform:translateY(-130%);transition:transform .22s;visibility:hidden}
  .nav.open{transform:none;visibility:visible}
  .nav a{padding:12px 14px;font-size:1rem}
  .menu-toggle{display:flex}
  .brand-tag{display:none}
  .header-actions .btn[data-open]{display:none}
  .sb-field input{min-width:0;width:100%}
  .sb-controls{flex-direction:column;align-items:stretch}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto}}