/* ============================================================
   STARXB 母品牌站 · 样式
   ────────────────────────────────────────────────────────────
   配色逻辑：蓝为主（母品牌）+ 子项目用自有色
     · 母品牌主色  #165DFF（与 favicon / LOGO 一致）
     · 光叙 GLOW   #B08A55（香槟金，与 glow.starxb.com 一致）
   定位：纯品牌载体 —— 简洁、务实、不承诺
   ============================================================ */

:root{
  /* 母品牌 */
  --brand:#165DFF;
  --brand-dark:#0E4BD1;
  /* 子项目自有色（新增子项目时在此登记） */
  --glow:#B08A55;          /* 光叙 GLOW · 香槟金 */
  --glow-soft:#F5EFE4;
  /* 中性 */
  --ink:#0F172A;
  --ink-2:#475569;
  --ink-3:#94A3B8;
  --line:#E7ECF3;
  --bg:#FFFFFF;
  --bg-alt:#F7F9FC;
  --radius:16px;
  --wrap:1080px;
}

*{box-sizing:border-box;margin:0;padding:0}

html{-webkit-text-size-adjust:100%}

body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

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

a{color:inherit;text-decoration:none}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{width:30px;height:30px;display:block;border-radius:6px}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.04em}
.site-nav{display:flex;gap:28px}
.site-nav a{font-size:14px;color:var(--ink-2);transition:color .18s}
.site-nav a:hover{color:var(--brand)}

/* ---------- Hero ---------- */
.hero{padding:104px 0 88px;background:
  radial-gradient(760px 320px at 12% -10%, rgba(22,93,255,.08), transparent 62%),
  radial-gradient(560px 280px at 92% 8%, rgba(22,93,255,.05), transparent 60%);
}
.hero h1{
  font-size:clamp(27px,4.2vw,44px);
  line-height:1.28;
  font-weight:800;
  letter-spacing:-.01em;
  max-width:17em;
}
.hero-sub{
  margin-top:22px;
  font-size:clamp(15px,1.5vw,17.5px);
  color:var(--ink-2);
  max-width:36em;
}

/* ---------- Section ---------- */
.section{padding:72px 0}
.section-alt{background:var(--bg-alt)}
.section-title{
  font-size:14px;font-weight:700;letter-spacing:.12em;
  color:var(--ink-3);text-transform:uppercase;
  margin-bottom:28px;
}

/* ---------- 子项目卡片 ---------- */
.project-card{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:26px 28px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:#fff;
  transition:border-color .2s, box-shadow .2s, transform .2s;
  overflow:hidden;
}
/* 左侧竖条 = 子项目自有色 */
.project-card::before{
  content:"";
  position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--accent, var(--brand));
}
a.project-card:hover{
  border-color:color-mix(in srgb, var(--accent, var(--brand)) 42%, transparent);
  box-shadow:0 10px 30px -12px color-mix(in srgb, var(--accent, var(--brand)) 26%, transparent);
  transform:translateY(-2px);
}
.project-main{min-width:0}
.project-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.project-name{font-size:19px;font-weight:700}
.project-tag{
  font-size:11.5px;font-weight:600;letter-spacing:.02em;
  color:var(--accent, var(--brand));
  background:color-mix(in srgb, var(--accent, var(--brand)) 10%, transparent);
  padding:3px 9px;border-radius:999px;
}
.project-desc{margin-top:8px;font-size:14.5px;color:var(--ink-2)}
.project-link{
  flex:none;font-size:14px;font-weight:600;
  color:var(--accent, var(--brand));
  white-space:nowrap;
}

/* 子项目自有色登记：新增子项目时在此加一条 .accent-xxx */
.accent-glow{ --accent: var(--glow); }
.accent-glow .project-tag{ background: var(--glow-soft); }

/* 孵化中提示（轻量，不做成卡片） */
.incubating{
  margin-top:18px;
  font-size:13.5px;
  color:var(--ink-3);
  padding-left:6px;
}
.incubating::before{
  content:"";
  display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--line);margin-right:9px;vertical-align:middle;
}

/* ---------- 关于 ---------- */
.about-text{
  font-size:16.5px;color:var(--ink-2);max-width:38em;
}

/* ---------- Footer ---------- */
.site-footer{
  border-top:1px solid var(--line);
  padding:40px 0 48px;
  background:var(--bg-alt);
}
.footer-inner{display:flex;align-items:flex-start;justify-content:space-between;gap:28px;flex-wrap:wrap}
.footer-brand{font-size:15px;font-weight:700;letter-spacing:.04em;margin-bottom:6px}
.footer-note{font-size:13px;color:var(--ink-3);line-height:1.9}
.footer-note a{transition:color .18s,border-color .18s;border-bottom:1px solid transparent}
.footer-note a:hover{color:var(--brand);border-bottom-color:rgba(22,93,255,.35)}
.footer-right{text-align:right}

/* ---------- 移动端 ---------- */
@media (max-width:640px){
  .header-inner{height:60px}
  .site-nav{gap:18px}
  .hero{padding:72px 0 60px}
  .hero h1 br{display:none}
  .section{padding:56px 0}
  .project-card{
    flex-direction:column;align-items:flex-start;gap:14px;
    padding:22px 20px 22px 24px;
  }
  .footer-inner{flex-direction:column;gap:18px}
  .footer-right{text-align:left}
}

/* ---------- 品牌 logo ---------- */
.brand-logo{height:26px;width:auto;display:block}
.brand-name{display:none}

/* ---------- 微信引流 ---------- */
.header-cta{flex:none;display:inline-flex;align-items:center;gap:7px;background:#07C160;color:#fff;
  font-size:14px;font-weight:600;padding:9px 16px;border-radius:999px;min-height:38px;border:0;cursor:pointer;
  transition:transform 170ms cubic-bezier(.16,1,.3,1),box-shadow 170ms ease-out;font-family:inherit}
.header-cta:hover{transform:translateY(-1px);box-shadow:0 6px 18px -6px rgba(7,193,96,.6)}
.header-cta svg{width:15px;height:15px;fill:#fff}
.wx-float{position:fixed;right:22px;bottom:22px;z-index:80;display:inline-flex;align-items:center;gap:9px;
  background:#07C160;color:#fff;font-size:13.5px;font-weight:700;padding:12px 18px;border-radius:999px;
  min-height:48px;box-shadow:0 10px 30px -8px rgba(7,193,96,.65);cursor:pointer;border:0;font-family:inherit;
  transition:transform 320ms cubic-bezier(.16,1,.3,1)}
.wx-float:hover{transform:translateY(-3px)}
.wx-float svg{width:19px;height:19px;fill:#fff}
.wx-modal{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:20px}
.wx-modal.on{display:flex}
.wx-modal .wm-bg{position:absolute;inset:0;background:rgba(8,24,72,.55);backdrop-filter:blur(4px)}
.wx-card{position:relative;z-index:1;background:#fff;border-radius:16px;padding:32px 34px 30px;max-width:400px;width:100%;
  text-align:center;box-shadow:0 24px 60px rgba(8,24,72,.24);animation:wxin 640ms cubic-bezier(.16,1,.3,1) both}
@keyframes wxin{from{opacity:0;transform:translateY(18px) scale(.97)}to{opacity:1;transform:none}}
.wx-card h3{font-size:20px;font-weight:800;color:var(--ink);margin-bottom:6px}
.wx-card .wm-sub{font-size:13.5px;color:var(--ink-3);margin-bottom:20px}
.wx-card img.qr{width:210px;height:210px;margin:0 auto 18px;border:1px solid var(--line);border-radius:12px;padding:8px}
.wx-copy{display:flex;align-items:center;justify-content:space-between;gap:10px;border:1px solid var(--line);
  border-radius:10px;padding:11px 14px;background:var(--bg-alt)}
.wx-copy .wid{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.06em}
.wx-copy button{border:0;background:var(--ink);color:#fff;font-size:13.5px;font-weight:600;padding:9px 15px;
  border-radius:6px;cursor:pointer;min-height:38px;font-family:inherit}
.wx-copy button.ok{background:#07C160}
.wx-close{position:absolute;top:14px;right:16px;width:34px;height:34px;border:0;background:transparent;
  color:var(--ink-3);font-size:22px;line-height:1;cursor:pointer;border-radius:8px}
.wx-close:hover{background:var(--bg-alt)}
.wm-tip{font-size:12px;color:var(--ink-3);margin-top:12px}
@media (max-width:640px){.header-cta span{display:none}.header-cta{padding:9px 12px}
  .wx-float{right:14px;bottom:14px;padding:12px 15px}.wx-card{padding:26px 20px 24px}
  .wx-card img.qr{width:180px;height:180px}}