:root{
  --bg:#f7f8fb;
  --paper:#ffffff;
  --text:#172033;
  --muted:#667085;
  --line:#e6e9ef;
  --primary:#3157d5;
  --primary2:#6a5cff;
  --soft:#eef2ff;
  --soft2:#f4f1ff;
  --dark:#101828;
  --green:#087a4b;
  --shadow:0 16px 50px rgba(20,32,70,.08);
  --radius:20px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);line-height:1.65;
  font-family:Inter,"Noto Sans TC","Microsoft JhengHei",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit}
.container{width:min(1160px,calc(100% - 40px));margin:auto}
.site-header{
  position:sticky;top:0;z-index:30;background:rgba(255,255,255,.88);
  backdrop-filter:blur(14px);border-bottom:1px solid rgba(230,233,239,.8)
}
.nav-wrap{min-height:76px;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:13px;min-width:250px}
.brand img{width:168px;height:62px;object-fit:contain}
.brand-copy strong{display:block;font-size:18px;line-height:1.1}
.brand-copy small{display:block;font-size:11px;color:var(--muted);letter-spacing:.08em;margin-top:4px}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:22px;font-size:14px;color:#475467}
.main-nav a:hover,.main-nav a[aria-current="page"]{color:var(--primary)}
.header-actions{display:flex;align-items:center;gap:8px}
.member-chip,.login-chip,.lang-switch,.menu-btn{
  min-height:42px;border:1px solid var(--line);background:#fff;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:7px 12px;color:#344054
}
.member-chip[hidden],.login-chip[hidden]{display:none!important}
.member-avatar{width:28px;height:28px;border-radius:50%;object-fit:cover}
.plan-chip{font-size:10px;font-weight:900;color:#087a4b;background:#eafbf2;padding:2px 7px;border-radius:999px}
.lang-switch a{font-weight:800;font-size:12px;padding:3px 6px;border-radius:999px}
.lang-switch a.active{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff}
.menu-btn{display:none;width:42px;padding:0;border-radius:12px;font-size:20px;cursor:pointer}
.eyebrow{font-size:12px;font-weight:900;letter-spacing:.17em;color:var(--primary);text-transform:uppercase}
.hero{
  background:
  radial-gradient(circle at 15% 5%,rgba(88,163,255,.18),transparent 28%),
  radial-gradient(circle at 86% 2%,rgba(116,90,255,.18),transparent 30%);
  border-bottom:1px solid var(--line)
}
.hero-grid{padding:76px 0 62px;display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center}
.hero h1{font-size:clamp(48px,6vw,76px);line-height:1.03;letter-spacing:-.045em;margin:12px 0 22px}
.hero h1 span{background:linear-gradient(90deg,var(--primary),var(--primary2));-webkit-background-clip:text;color:transparent}
.hero-copy{font-size:18px;color:#526079;max-width:700px;margin:0 0 28px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;min-height:46px;align-items:center;justify-content:center;padding:12px 19px;border-radius:13px;font-weight:850;border:1px solid transparent}
.btn.primary{background:var(--dark);color:#fff}
.btn.secondary{background:#fff;border-color:var(--line)}
.btn.soft{background:var(--soft);color:var(--primary)}
.hero-card{
  background:rgba(255,255,255,.82);border:1px solid rgba(255,255,255,.9);
  border-radius:28px;padding:20px;box-shadow:var(--shadow)
}
.hero-card h2{font-size:22px;margin:4px 0 16px}
.quick-list{display:grid;gap:10px}
.quick-item{padding:15px 16px;border:1px solid var(--line);border-radius:16px;background:#fff}
.quick-item strong{display:block}
.quick-item small{display:block;color:var(--muted)}
.section{padding:70px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:26px}
.section-head h2{font-size:34px;line-height:1.2;margin:6px 0 0}
.section-head p{max-width:580px;color:var(--muted);margin:0}
.featured-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
.article-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;
  box-shadow:0 8px 22px rgba(16,24,40,.03);display:flex;flex-direction:column
}
.article-card.featured{min-height:360px;background:linear-gradient(180deg,#fff,#fbfcff)}
.card-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:12px;color:var(--muted)}
.category-pill{font-size:11px;font-weight:850;color:var(--primary);background:var(--soft);padding:4px 9px;border-radius:999px}
.article-card h3{font-size:24px;line-height:1.25;margin:16px 0 10px}
.article-card p{color:var(--muted);margin:0 0 20px}
.card-link{margin-top:auto;color:var(--primary);font-weight:900}
.side-stack{display:grid;gap:18px}
.side-stack .article-card{min-height:171px}
.side-stack .article-card h3{font-size:19px;margin:12px 0 6px}
.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.category-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;min-height:155px}
.category-icon{width:44px;height:44px;border-radius:13px;background:var(--soft);display:grid;place-items:center;font-weight:900;color:var(--primary)}
.category-card h3{margin:15px 0 5px}
.category-card p{margin:0;color:var(--muted);font-size:13px}
.ad-slot{width:min(1160px,calc(100% - 40px));margin:28px auto;min-height:105px;border:1px dashed #ccd5e6;border-radius:18px;background:rgba(255,255,255,.7);display:flex;align-items:center;justify-content:center;text-align:center;padding:18px;color:#98a2b3;font-size:12px}
.ad-slot strong{display:block;font-size:10px;letter-spacing:.16em}
.ad-slot p{margin:4px 0 0}
.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:30px}
.article-main,.sidebar-card{background:#fff;border:1px solid var(--line);border-radius:22px}
.article-main{padding:34px}
.article-head h1{font-size:clamp(38px,5vw,60px);line-height:1.08;letter-spacing:-.03em;margin:12px 0 18px}
.article-lead{font-size:19px;color:#526079}
.article-main h2{font-size:28px;line-height:1.3;margin:42px 0 12px}
.article-main h3{font-size:21px;margin:28px 0 8px}
.article-main p,.article-main li{color:#475467}
.article-main ul,.article-main ol{padding-left:22px}
.callout{background:linear-gradient(135deg,#f4f7ff,#f7f3ff);border:1px solid #dce3ff;border-radius:18px;padding:20px;margin:28px 0}
.tool-cta{background:var(--dark);color:#fff;border-radius:20px;padding:24px;margin:34px 0;display:flex;align-items:center;justify-content:space-between;gap:20px}
.tool-cta p{color:#ced6e5;margin:4px 0 0}
.tool-cta .btn{background:#fff;color:var(--dark);white-space:nowrap}
.sidebar{display:grid;gap:18px;align-content:start}
.sidebar-card{padding:20px}
.sidebar-card h3{margin:0 0 14px}
.sidebar-links{display:grid;gap:10px}
.sidebar-links a{padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}
.sidebar-links a:last-child{border-bottom:0}
.breadcrumb{font-size:13px;color:var(--muted);padding-top:28px}
.category-hero{padding:54px 0 36px;background:linear-gradient(180deg,#f0f4ff,#f7f8fb);border-bottom:1px solid var(--line)}
.category-hero h1{font-size:48px;margin:8px 0}
.article-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.policy{padding:54px 0}
.policy-card{max-width:900px;margin:auto;background:#fff;border:1px solid var(--line);border-radius:22px;padding:34px}
.policy-card h1{margin-top:0}
.footer{background:#101828;color:#e5e7eb;padding:44px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:30px}
.footer p{color:#98a2b3}
.footer-links{display:flex;gap:16px;flex-wrap:wrap;color:#cbd5e1;font-size:13px}
.copyright{border-top:1px solid #293449;margin-top:28px;padding-top:18px;color:#758298;font-size:12px}
.search-box{display:flex;gap:8px;margin-top:18px}
.search-box input{width:100%;min-height:46px;border:1px solid var(--line);border-radius:13px;padding:0 14px;background:#fff}
.search-results{display:grid;gap:10px;margin-top:14px}
.search-result{background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 14px}
.search-result small{display:block;color:var(--muted)}
.template-note{background:#fff7df;border:1px solid #f3dda2;padding:14px 16px;border-radius:14px;color:#76550b;margin:16px 0}

@media(max-width:920px){
  .main-nav{display:none;position:absolute;top:74px;left:14px;right:14px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:8px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
  .main-nav.open{display:flex}
  .main-nav a{padding:11px 13px;border-radius:11px}
  .menu-btn{display:inline-flex}
  .brand{min-width:0}
  .brand-copy{display:none}
  .hero-grid,.featured-grid,.content-grid{grid-template-columns:1fr}
  .category-grid{grid-template-columns:repeat(2,1fr)}
  .sidebar{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:620px){
  .container{width:min(100% - 22px,1160px)}
  .nav-wrap{min-height:66px;gap:8px}
  .brand img{width:112px;height:48px}
  .header-actions{margin-left:auto;gap:5px}
  .member-chip{padding:5px 8px}
  .member-chip .member-name{display:none}
  .login-chip{font-size:12px;padding:7px 10px}
  .lang-switch{padding:4px 7px}
  .lang-switch a{font-size:11px;padding:2px 5px}
  .menu-btn{width:38px;min-height:38px}
  .hero-grid{padding:48px 0 40px}
  .hero h1{font-size:43px}
  .hero-copy{font-size:16px}
  .hero-actions{display:grid}
  .hero-actions .btn{width:100%}
  .section{padding:50px 0}
  .section-head{display:block}
  .section-head h2{font-size:29px}
  .category-grid,.article-list,.sidebar{grid-template-columns:1fr}
  .article-main{padding:22px}
  .article-head h1{font-size:38px}
  .tool-cta{display:block}
  .tool-cta .btn{margin-top:14px;width:100%}
  .ad-slot{width:min(100% - 22px,1160px);min-height:90px}
  .footer-grid{grid-template-columns:1fr}
}

/* V1.1 batch articles */
.article-list{align-items:stretch}.article-list .article-card{min-height:265px}.category-hero .container>p:last-child{color:var(--primary);font-weight:800}@media(max-width:620px){.article-list .article-card{min-height:0}}


/* =========================================================
   WUCJ Blog V1.2 — Main-site Brand Sync
   Baseline: WUCJ Tools #f7f8fb / #3157d5 / #6a5cff / #101828
   ========================================================= */
body{background:#f7f8fb;color:#172033;line-height:1.65}
.site-header{background:rgba(255,255,255,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgba(230,233,239,.8);z-index:30}
.nav-wrap{min-height:76px}
.brand img{width:168px;height:62px;object-fit:contain}
.brand-copy strong{color:#172033}
.brand-copy small,.main-nav{color:#667085}
.main-nav a:hover,.main-nav a[aria-current="page"]{color:#3157d5}
.member-chip,.login-chip,.lang-switch,.menu-btn{border-color:#e6e9ef;background:#fff;color:#344054}
.lang-switch a.active{background:linear-gradient(135deg,#3157d5,#6a5cff);color:#fff}
.plan-chip{background:#ecfdf3;color:#027a48}
.hero{background:radial-gradient(circle at 80% 10%,#e9e7ff 0,transparent 28%),radial-gradient(circle at 10% 0,#e8f3ff 0,transparent 30%);border-bottom:1px solid #e6e9ef}
.hero h1 span{background:linear-gradient(90deg,#3157d5,#6a5cff);-webkit-background-clip:text;color:transparent}
.eyebrow{color:#3157d5}
.btn.primary{background:#101828;color:#fff}
.btn.secondary{background:#fff;border-color:#e6e9ef}
.btn.soft{background:#eef2ff;color:#3157d5}
.hero-card,.article-card,.category-card,.article-main,.sidebar-card,.policy-card{border-color:#e6e9ef;background:#fff;box-shadow:0 8px 22px rgba(16,24,40,.03)}
.hero-card{box-shadow:0 16px 50px rgba(20,32,70,.08)}
.quick-item{border-color:#e6e9ef}
.category-icon,.category-pill{background:#eef2ff;color:#3157d5}
.card-link{color:#3157d5}
.category-hero{background:radial-gradient(circle at 86% 5%,#ece9ff 0,transparent 32%),linear-gradient(180deg,#eef4ff,#f7f8fb);border-bottom:1px solid #e6e9ef}
.callout{background:linear-gradient(135deg,#eef4ff,#f4f1ff);border-color:#dbe3ff}
.tool-cta{background:#101828}
.ad-slot{border-color:#cfd5df;background:#fff;color:#98a2b3}
.footer{background:#0f172a}
.footer-grid,.footer-links{color:#cbd5e1}
.copyright{border-color:#273449;color:#78869a}
.search-box input{border-color:#e6e9ef;background:#fff}
.search-result{border-color:#e6e9ef;background:#fff}
@media(max-width:620px){
  .brand img{width:126px;height:50px}
  .nav-wrap{min-height:66px}
}


/* WUCJ Blog V1.2.1 — homepage layout polish */
.hero-grid{grid-template-columns:minmax(0,1.18fr) minmax(350px,.82fr);gap:48px}
.hero h1{font-size:clamp(46px,5.2vw,70px);max-width:880px}
.hero-line{display:block;white-space:nowrap}
.hero-gradient{
  background:linear-gradient(90deg,var(--primary),var(--primary2));
  -webkit-background-clip:text;color:transparent
}
.brand{gap:10px}
.brand img{width:146px}
.hero-card{padding:18px}
.quick-list{gap:8px}
.quick-item{padding:13px 15px}
@media(max-width:1100px){
  .hero-line{white-space:normal}
  .hero-grid{grid-template-columns:1fr .82fr;gap:36px}
  .hero h1{font-size:clamp(44px,5.5vw,62px)}
}
@media(max-width:920px){
  .hero-grid{grid-template-columns:1fr}
  .hero-line{white-space:normal}
}
@media(max-width:620px){
  .hero h1{font-size:42px}
  .brand img{width:112px}
}


/* WUCJ Blog V1.3 — WUCJ Tools traffic routing */
.wucj-network-bar{background:#f7f8fb;border-bottom:1px solid #eaecf0}
.wucj-network-links{min-height:42px;display:flex;align-items:center;justify-content:center;gap:8px;overflow-x:auto;scrollbar-width:none}
.wucj-network-links::-webkit-scrollbar{display:none}
.wucj-network-links a{flex:0 0 auto;padding:7px 10px;border-radius:9px;color:#475467;font-size:12px;font-weight:700}
.wucj-network-links a:hover{background:#fff;color:#3157d5}
.wucj-tools-section{padding-top:34px}
.wucj-tool-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.wucj-tool-card{display:flex;flex-direction:column;gap:7px;padding:18px;border:1px solid #e4e7ec;border-radius:17px;background:#fff;box-shadow:0 8px 22px rgba(16,24,40,.05)}
.wucj-tool-card:hover{transform:translateY(-2px);border-color:#c9d2ff;box-shadow:0 12px 28px rgba(49,87,213,.10)}
.wucj-tool-card strong{font-size:17px;color:#101828}
.wucj-tool-card span{color:#667085;font-size:13px;line-height:1.6}
.wucj-tool-card small{color:#3157d5;font-weight:800;margin-top:auto}
@media(max-width:820px){.wucj-network-links{justify-content:flex-start}.wucj-tool-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.wucj-tool-grid{grid-template-columns:1fr}.wucj-network-links{padding:0 10px}}


/* WUCJ Blog V1.3.1 — member login polish */
html.wucj-member-checking #memberLoggedOut,
html.wucj-member-checking #memberLoggedIn{visibility:hidden}