/* ==========================================================================
   追懶熊貓科技 Lazy Panda — lazypanda.work
   淺色 + 科技感設計系統。改配色只需改 :root 的變數。
   品牌：追懶熊貓黑標記（assets/brand/lazypanda-ink.png）
   強調色：Signal Blue #0B5CD5（單一強調色，用於指示、連結與細線漸變）
   ========================================================================== */

:root{
  /* 表面 */
  --paper:      #F4F6F9;   /* 冷灰藍底，比米白更有電子感 */
  --paper-2:    #FFFFFF;
  --paper-3:    #EAEEF4;
  --ink-inverse:#0A0E16;   /* 深色反白面板 */

  /* 文字 */
  --ink:        #0A0D14;
  --ink-2:      #39404D;
  --muted:      #6A7280;
  --muted-2:    #98A1AE;

  /* 線 */
  --line:       rgba(10,13,20,.10);
  --line-2:     rgba(10,13,20,.24);
  --line-3:     rgba(10,13,20,.06);

  /* 強調 */
  --accent:     #0B5CD5;
  --accent-lt:  #4C8DF6;
  --accent-wash:rgba(11,92,213,.10);

  /* 反白面板上的顏色 */
  --on-dark:    #E9EDF4;
  --on-dark-2:  #A8B3C4;
  --on-dark-line:rgba(255,255,255,.14);

  --radius:4px; --maxw:1240px; --sec-pad:104px;

  --sans:"PingFang TC","PingFang SC","Hiragino Sans GB","Microsoft JhengHei","Microsoft YaHei",
         "Noto Sans CJK TC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,"JetBrains Mono",monospace;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:hidden}
html.i18n-pending body{visibility:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.2;letter-spacing:-.015em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
::selection{background:var(--accent-wash)}
.mono{font-family:var(--mono)}

.skip-link{position:absolute;left:16px;top:-70px;z-index:999;background:var(--ink);
  color:#fff;padding:10px 16px;border-radius:var(--radius);transition:top .2s var(--ease)}
.skip-link:focus{top:16px}

.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ==========================================================================
   1. 頂部導覽
   ========================================================================== */
.topbar{position:sticky;top:0;z-index:60;background:rgba(244,246,249,.86);
  backdrop-filter:saturate(150%) blur(12px);border-bottom:1px solid var(--line)}
.topbar__inner{display:flex;align-items:center;gap:30px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand img{height:36px;width:auto}
.brand__text{display:flex;flex-direction:column;line-height:1.1}
.brand__text b{font-size:16px;letter-spacing:.02em}
.brand__text small{font-family:var(--mono);font-size:9px;letter-spacing:.2em;color:var(--muted)}
.nav{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav a{font-size:14.5px;color:var(--ink-2);padding-bottom:3px;
  border-bottom:1px solid transparent;transition:color .18s var(--ease),border-color .18s var(--ease)}
.nav a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.lang{display:flex;align-items:center;gap:14px;margin-left:6px}
.lang a{font-size:13px;color:var(--muted);padding-bottom:3px;border-bottom:1px solid transparent}
.lang a[aria-current="true"]{color:var(--accent);font-weight:700;border-bottom-color:var(--accent)}

.btn{display:inline-flex;align-items:center;gap:9px;font-size:14.5px;font-weight:700;
  padding:13px 24px;border-radius:var(--radius);transition:all .18s var(--ease);white-space:nowrap}
.btn--primary{background:var(--ink);color:#fff;
  box-shadow:0 1px 2px rgba(10,13,20,.16)}
.btn--primary:hover{background:var(--accent);box-shadow:0 6px 18px -6px rgba(11,92,213,.55)}
.btn--ghost{border:1px solid var(--line-2);color:var(--ink);background:var(--paper-2)}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn--sm{padding:10px 18px;font-size:13.5px}
.btn .arrow{transition:transform .18s var(--ease)}
.btn:hover .arrow{transform:translateX(3px)}
.nav-toggle{display:none;border:1px solid var(--line-2);border-radius:var(--radius);
  padding:8px 13px;font-size:13.5px;background:var(--paper-2)}

/* ==========================================================================
   2. Hero（點陣底紋 + 藍色光暈）
   ========================================================================== */
.hero{position:relative;padding:84px 0 0;overflow:hidden}
.hero__bg{position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle,rgba(11,92,213,.22) 1px,transparent 1.4px);
  background-size:26px 26px;
  -webkit-mask-image:radial-gradient(ellipse 62% 74% at 16% 6%,#000 4%,transparent 68%);
  mask-image:radial-gradient(ellipse 62% 74% at 16% 6%,#000 4%,transparent 68%)}
.hero__wash{position:absolute;right:-160px;top:-200px;width:820px;height:620px;
  pointer-events:none;
  background:radial-gradient(ellipse at center,rgba(11,92,213,.13),transparent 66%)}
.hero__inner{position:relative;display:grid;grid-template-columns:1.08fr .92fr;
  gap:64px;align-items:center}

.kicker{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:11.5px;
  letter-spacing:.17em;text-transform:uppercase;color:var(--muted);
  padding-bottom:16px;margin-bottom:26px;border-bottom:1px solid var(--line);
  position:relative}
.kicker::after{content:"";position:absolute;left:0;bottom:-1px;width:64px;height:1px;
  background:linear-gradient(90deg,var(--accent),transparent)}
.dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:0 0 auto;
  box-shadow:0 0 0 4px var(--accent-wash)}

.hero h1{font-size:clamp(36px,5.1vw,66px);letter-spacing:-.032em;max-width:13em;
  word-break:keep-all;margin-bottom:26px}
.hero h1 em{font-style:normal;color:var(--accent);position:relative}
.hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:.06em;height:.13em;
  background:linear-gradient(90deg,rgba(11,92,213,.22),rgba(76,141,246,.10));border-radius:2px}
html[data-lang="en"] .hero h1{font-size:clamp(32px,4.2vw,54px);max-width:15em}

.lead{font-size:17px;color:var(--ink-2);max-width:34em;margin-bottom:34px}
.hero__actions{display:flex;gap:12px;flex-wrap:wrap}

/* 架構示意面板 */
.sys{position:relative;border:1px solid var(--line-2);border-radius:var(--radius);
  background:var(--paper-2);overflow:hidden;
  box-shadow:0 24px 60px -34px rgba(10,13,20,.30)}
.sys::before,.sys::after{content:"";position:absolute;width:12px;height:12px;
  border-color:var(--accent);border-style:solid;opacity:.55}
.sys::before{top:-1px;left:-1px;border-width:1px 0 0 1px}
.sys::after{bottom:-1px;right:-1px;border-width:0 1px 1px 0}
.sys__head{display:flex;align-items:center;gap:10px;padding:13px 16px;
  border-bottom:1px solid var(--line);background:var(--paper-3)}
.sys__head b{font-size:13.5px}
.sys__tag{margin-left:auto;font-family:var(--mono);font-size:10px;letter-spacing:.12em;
  color:var(--muted-2)}
.sys__body{padding:6px 16px 14px}
.sys__row{display:grid;grid-template-columns:3px 108px 1fr;gap:16px;align-items:center;
  padding:15px 0;border-bottom:1px dashed var(--line-3)}
.sys__row:last-child{border-bottom:0}
.sys__bar{height:26px;width:3px;border-radius:2px;
  background:linear-gradient(180deg,var(--accent),rgba(11,92,213,.22))}
.sys__code{font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:var(--accent)}
.sys__name b{display:block;font-size:14.5px;font-weight:700;line-height:1.5}
.sys__name span{font-size:12.5px;color:var(--muted)}
/* 治理層反白：安全與審計是差異點，用深底拎出來 */
.sys__row--dark{background:var(--ink-inverse);border-radius:3px;padding:15px 14px 15px 0;
  border-bottom:0;margin:6px 0 2px}
.sys__row--dark .sys__name b{color:#fff}
.sys__row--dark .sys__name span{color:var(--on-dark-2)}
.sys__row--dark .sys__code{color:var(--accent-lt)}

/* 事實條 */
.facts{margin-top:72px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:var(--paper-2)}
.facts ul{display:grid;grid-template-columns:repeat(4,1fr)}
.facts li{padding:26px 26px 26px 0;border-right:1px solid var(--line)}
.facts li:last-child{border-right:0;padding-right:0}
.facts li b{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted-2);margin-bottom:9px}
.facts li span{font-size:14.5px;color:var(--ink-2)}

/* ==========================================================================
   3. 通用區塊
   ========================================================================== */
.sec{padding:var(--sec-pad) 0;border-top:1px solid var(--line)}
.sec-head{margin-bottom:50px;max-width:54em}
.sec-label{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--accent);margin-bottom:18px;display:flex;align-items:center;gap:12px}
.sec-label::before{content:"";width:22px;height:1px;
  background:linear-gradient(90deg,var(--accent),transparent)}
.sec-head h2{font-size:clamp(25px,3vw,40px);letter-spacing:-.026em}
.sec-head p{margin-top:16px;color:var(--muted);font-size:16px;max-width:44em}
.reveal{opacity:0;transform:translateY(12px);
  transition:opacity .55s var(--ease),transform .55s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ==========================================================================
   4. 服務矩陣
   ========================================================================== */
.matrix th{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted-2);text-align:left;font-weight:400;padding:0 22px 12px 0;
  border-bottom:1px solid var(--ink)}
.matrix td{padding:26px 22px 26px 0;border-bottom:1px solid var(--line);
  vertical-align:top;font-size:14.5px;color:var(--ink-2)}
.matrix tr:hover td{background:var(--paper-2)}
.matrix tr:hover .c-no{color:var(--accent)}
.matrix .c-no{width:52px;font-family:var(--mono);font-size:12px;color:var(--accent-lt);
  transition:color .18s var(--ease)}
.matrix .c-name{width:19%;color:var(--ink);font-weight:700;font-size:16px}
.matrix .c-name small{display:block;font-family:var(--mono);font-size:9.5px;font-weight:400;
  letter-spacing:.13em;color:var(--muted-2);margin-top:6px}
.matrix .c-out{width:23%}
.matrix .c-who{width:16%;color:var(--muted);font-size:13.5px}

/* ==========================================================================
   5. 產品方向
   ========================================================================== */
.dirs{border-top:1px solid var(--ink)}
.dir{display:grid;grid-template-columns:70px 1fr 264px;gap:30px;padding:30px 0;
  border-bottom:1px solid var(--line);align-items:start}
.dir__no{font-family:var(--mono);font-size:13px;color:var(--accent-lt);padding-top:5px}
.dir__name{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.dir__name b{font-size:19px}
.dir__name span{font-family:var(--mono);font-size:10px;letter-spacing:.13em;color:var(--muted-2)}
.dir p{color:var(--ink-2);font-size:14.5px;max-width:46em}
.dir__meta{border-left:1px solid var(--line);padding-left:24px;display:grid;gap:14px}
.dir__meta div b{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.13em;
  text-transform:uppercase;color:var(--muted-2);margin-bottom:4px}
.dir__meta div span{font-size:13.5px;color:var(--ink-2)}

/* ==========================================================================
   6. 數據與合規（深色反白面板）
   ========================================================================== */
.gov{border-top:1px solid var(--line);padding:var(--sec-pad) 0}
.gov__panel{position:relative;background:var(--ink-inverse);color:var(--on-dark);
  border-radius:6px;padding:56px 52px 44px;overflow:hidden}
.gov__panel::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:radial-gradient(ellipse 60% 70% at 84% 0%,#000,transparent 70%);
  mask-image:radial-gradient(ellipse 60% 70% at 84% 0%,#000,transparent 70%)}
.gov__panel::after{content:"";position:absolute;right:-140px;bottom:-180px;width:560px;height:460px;
  pointer-events:none;background:radial-gradient(ellipse at center,rgba(11,92,213,.32),transparent 68%)}
.gov__head{position:relative;max-width:52em;margin-bottom:44px}
.sec-label--light{color:var(--accent-lt)}
.gov__head h2{font-size:clamp(25px,3vw,38px);letter-spacing:-.026em;color:#fff}
.gov__head p{margin-top:16px;color:var(--on-dark-2);font-size:16px;max-width:44em}
.gov__grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--on-dark-line);border:1px solid var(--on-dark-line);border-radius:4px;
  overflow:hidden}
.gov__item{background:var(--ink-inverse);padding:26px 24px}
.gov__no{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--accent-lt);
  margin-bottom:14px}
.gov__item h3{font-size:16.5px;color:#fff;margin-bottom:10px}
.gov__item p{font-size:14px;color:var(--on-dark-2)}
.gov__note{position:relative;margin-top:26px;font-size:13.5px;color:var(--on-dark-2);
  padding-left:16px;border-left:2px solid var(--accent)}

/* ==========================================================================
   7. 交付時間軸
   ========================================================================== */
.rail{border-top:1px solid var(--ink)}
.rail__step{display:grid;grid-template-columns:120px 1fr;gap:34px;padding:30px 0;
  border-bottom:1px solid var(--line)}
.rail__no{font-family:var(--mono);font-size:30px;line-height:1;color:var(--line-2);
  letter-spacing:-.03em;padding-top:2px;transition:color .2s var(--ease)}
.rail__step:hover .rail__no{color:var(--accent)}
.rail__step h3{font-size:18px;margin-bottom:10px}
.rail__step p{color:var(--ink-2);font-size:15px;max-width:48em;margin-bottom:12px}
.rail__out{font-size:13.5px;color:var(--muted);border-top:1px solid var(--line);
  padding-top:12px;max-width:48em}
.rail__out b{color:var(--accent)}

/* ==========================================================================
   8. 培訓（左右分欄）
   ========================================================================== */
.split{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:start}
.split__aside h2{font-size:clamp(24px,2.7vw,36px);letter-spacing:-.026em;margin-bottom:18px}
.split__aside p{color:var(--muted);font-size:15.5px;max-width:32em}
.split__body{border-left:1px solid var(--line);padding-left:44px}
.split__lead{color:var(--ink-2);font-size:15.5px;max-width:44em;margin-bottom:28px}
.train{display:grid;grid-template-columns:repeat(3,1fr);gap:44px;margin-top:60px}
.train li{border-top:1px solid var(--line-2);padding-top:24px}
.train i{display:block;font-family:var(--mono);font-size:11px;font-style:normal;
  letter-spacing:.14em;color:var(--accent);margin-bottom:14px}
.train b{display:block;font-size:16.5px;color:var(--ink);margin-bottom:9px}
.train span{font-size:14.5px;color:var(--muted)}

/* ==========================================================================
   9. 為什麼
   ========================================================================== */
.why{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--ink)}
.why__item{padding:30px 34px 30px 0;border-bottom:1px solid var(--line);
  border-right:1px solid var(--line)}
.why__item:nth-child(2n){padding-left:34px;padding-right:0;border-right:0}
.why__item i{display:block;font-family:var(--mono);font-size:11px;font-style:normal;
  color:var(--accent-lt);margin-bottom:12px}
.why__item h3{font-size:17px;margin-bottom:10px}
.why__item p{font-size:14.5px;color:var(--muted)}

/* ==========================================================================
   10. FAQ
   ========================================================================== */
.faq{border-top:1px solid var(--ink)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{padding:22px 0;font-size:17px;font-weight:700;cursor:pointer;list-style:none;
  display:flex;gap:18px;align-items:baseline;transition:color .18s var(--ease)}
.faq summary:hover{color:var(--accent)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"—";font-family:var(--mono);color:var(--accent-lt);font-weight:400}
.faq details[open] summary::before{content:"+"}
.faq__a{padding:0 0 24px 36px;color:var(--ink-2);font-size:15px;max-width:60em}

/* ==========================================================================
   11. 聯絡
   ========================================================================== */
.contact{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:start}
.contact h2{font-size:clamp(26px,3.2vw,42px);letter-spacing:-.026em;margin-bottom:18px}
.contact__lead{color:var(--ink-2);font-size:16px;max-width:36em;margin-bottom:30px}
.contact__actions{display:flex;gap:12px;flex-wrap:wrap}
.contact dl{margin:0;display:grid;gap:20px;border-top:1px solid var(--ink);padding-top:24px}
.contact dt{font-family:var(--mono);font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--muted-2);margin-bottom:5px}
.contact dd{margin:0;font-size:14.5px;color:var(--ink-2)}
.hl{color:var(--accent);border-bottom:1px solid rgba(11,92,213,.35)}
.small{font-size:13px;color:var(--muted)}

/* ==========================================================================
   12. 頁腳
   ========================================================================== */
.site-footer{border-top:1px solid var(--ink);background:var(--paper-3);padding:56px 0 30px}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px;
  padding-bottom:36px;border-bottom:1px solid var(--line)}
.footer__brand .brand{margin-bottom:16px}
.footer__brand p{font-size:13.5px;color:var(--muted);max-width:30em}
.footer__grid h4{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted-2);font-weight:400;margin-bottom:16px}
.footer__grid ul{display:grid;gap:10px}
.footer__grid li a{font-size:14px;color:var(--ink-2);transition:color .18s var(--ease)}
.footer__grid li a:hover{color:var(--accent)}
.footer__bottom{display:flex;gap:20px;flex-wrap:wrap;justify-content:space-between;
  padding-top:22px;font-size:12.5px;color:var(--muted-2)}
.footer__bottom a:hover{color:var(--accent)}

/* ==========================================================================
   14. 響應式
   ========================================================================== */
@media (max-width:1040px){
  .hero__inner{grid-template-columns:1fr;gap:48px}
  .split{grid-template-columns:1fr;gap:32px}
  .split__body{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:28px}
  .contact{grid-template-columns:1fr;gap:44px}
  .facts ul{grid-template-columns:repeat(2,1fr)}
  .facts li{padding-right:22px}
  .facts li:nth-child(2n){border-right:0}
  .dir{grid-template-columns:60px 1fr;gap:20px}
  .dir__meta{grid-column:2;border-left:0;padding-left:0;border-top:1px solid var(--line);
    padding-top:18px;margin-top:4px}
  .gov__panel{padding:44px 36px 36px}
  .gov__grid{grid-template-columns:repeat(2,1fr)}
  .matrix .c-who,.matrix th:nth-child(5),.matrix td:nth-child(5){display:none}
  .footer__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  :root{--sec-pad:68px}
  .topbar__inner{flex-wrap:wrap;gap:12px}
  .brand img{height:29px}
  .brand__text b{font-size:14px}.brand__text small{font-size:8px}
  .nav{display:none;order:4;width:100%;flex-direction:column;align-items:flex-start;
    gap:16px;padding:18px 0 22px;border-top:1px solid var(--line);margin:0}
  .topbar[data-open="true"] .nav{display:flex}
  .nav-toggle{display:block;padding:7px 11px;font-size:13px}
  .header__cta{display:none}
  .lang{margin-left:auto;gap:11px}
  .hero{padding-top:60px}
  .facts{margin-top:52px}
  .facts ul{grid-template-columns:1fr}
  .facts li{border-right:0;padding:20px 0}
  .sys__row{grid-template-columns:3px 1fr;gap:12px}
  .sys__name{grid-column:2}
  .sys__code{grid-column:2;grid-row:1;padding-bottom:4px}
  .sys__bar{grid-row:1 / span 2;height:100%}
  .matrix th:nth-child(2),.matrix td:nth-child(2){display:none}
  .matrix .c-no{width:36px}
  .dir{grid-template-columns:1fr;gap:12px}
  .dir__no{padding-top:0}
  .dir__meta{grid-column:1}
  .gov__panel{padding:34px 22px 28px}
  .gov__grid{grid-template-columns:1fr}
  .rail__step{grid-template-columns:1fr;gap:12px}
  .rail__no{font-size:22px}
  .train{grid-template-columns:1fr;gap:26px;margin-top:44px}
  .why{grid-template-columns:1fr}
  .why__item,.why__item:nth-child(2n){padding:26px 0;border-right:0}
  .footer__grid{grid-template-columns:1fr;gap:30px}
}