@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&display=swap');

/* ==========================================================================
   Sainsun site theme — v8 (2026-10-05)
   Loaded after main-DgbqC1Wl.css / subpages.css on every page.
   Re-skins the whole site to the approved "v2" design language:
   logo blue #0048A8 + logo green, generous white space, pill buttons,
   large radii, Manrope type. No layout/DOM changes.
   ========================================================================== */

:root{
  /* --- brand tokens (overrides Tailwind theme vars) --- */
  --color-primary:#0B1C4D;            /* deep brand navy — headings, dark bands */
  --color-primary-foreground:#fff;
  --color-accent:#0048A8;             /* logo blue — buttons, links, highlights */
  --color-accent-foreground:#fff;
  --color-gold:#E0B020;               /* stars / accent */
  --color-secondary:#12306E;
  --color-muted:#F5F7FC;              /* light blue-grey band */
  --color-muted-foreground:#5A6B87;
  --color-background:#fff;
  --color-foreground:#16233D;
  --color-border:#E7EDF1;
  --color-success:#5F8F0A;            /* logo green, darkened for legibility */
  --color-danger:#B3261E;

  /* --- shape & elevation --- */
  --radius:1rem;
  --shadow-card:0 1px 2px rgba(11,28,77,.04), 0 14px 34px -18px rgba(11,28,77,.22);

  /* --- type --- */
  --font-sans:'Manrope','Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  --font-display:'Manrope','Inter','Segoe UI',system-ui,sans-serif;

  /* --- layout --- */
  --container-content:76rem;

  /* --- our own helpers --- */
  --v8-green:#7FAE0B;
  --v8-blue:#0048A8;
  --v8-ink:#0B1C4D;
}

html{scroll-behavior:smooth}

body{
  font-family:var(--font-sans);
  color:var(--color-foreground);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

/* ---------- typography ---------- */
h1,h2,h3,h4,h5{font-family:var(--font-display);letter-spacing:-.02em;line-height:1.16}
h1.font-bold,h2.font-bold,h3.font-bold,h4.font-bold,h1.font-semibold,h2.font-semibold,h3.font-semibold{font-weight:800}
h1{font-size:clamp(2rem,4.2vw,3.2rem)!important;line-height:1.1}
h2{font-size:clamp(1.5rem,2.6vw,2.25rem)!important}
h3{font-size:clamp(1.1rem,1.6vw,1.4rem)!important}
p{line-height:1.7}
a{transition:color .18s ease,background-color .18s ease,border-color .18s ease}

/* small caps labels the design uses */
.eyebrow{font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--v8-green)}

/* ---------- buttons ---------- */
.btn{
  border-radius:999px;
  padding-inline:1.6rem;
  padding-block:.85rem;
  font-size:15px;
  font-weight:700;
  letter-spacing:-.01em;
  border:1px solid transparent;
  box-shadow:none;
}
.btn-accent{background-color:var(--v8-blue);color:#fff;box-shadow:0 12px 26px -14px rgba(0,72,168,.7)}
.btn-accent:hover{background-color:#00337A;color:#fff;transform:translateY(-1px)}
.btn-outline{border-color:var(--color-border);color:var(--v8-ink);background:#fff}
.btn-outline:hover{border-color:var(--v8-blue);color:var(--v8-blue);background:#F3F7FF}

/* ---------- surfaces ---------- */
.card{border-radius:20px;box-shadow:var(--shadow-card);border-color:var(--color-border)}
.section{padding-block:clamp(56px,7vw,104px)}
.container-content{max-width:var(--container-content);padding-inline:clamp(20px,4vw,36px)}
.bg-muted{background-color:var(--color-muted)}

/* rounded imagery everywhere it appears in content */
.section img,.card img,article img{border-radius:16px}
.section img.rounded-none,.section img[data-square]{border-radius:0}
svg{border-radius:0}

/* ---------- header ---------- */
header.sticky{
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(10px);
  -webkit-backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--color-border);
}
header.sticky .container-content{height:76px!important}
header.sticky img{height:30px!important}
header.sticky nav a,header.sticky nav button{
  font-size:14.5px;font-weight:600;color:var(--v8-ink);letter-spacing:-.005em;
}
header.sticky nav a:hover,header.sticky nav button:hover{color:var(--v8-blue)}
header.sticky .btn{
  padding-block:.7rem;padding-inline:1.35rem;font-size:14.5px;
}

/* ---------- footer ---------- */
footer.bg-primary{background:var(--v8-ink);padding-top:8px}
footer.bg-primary a{color:rgba(255,255,255,.86)}
footer.bg-primary a:hover{color:#fff}
footer .footgrid{padding-block:3.5rem}

/* ---------- dark hero bands on subpages ---------- */
section.bg-primary{background:var(--v8-ink)}
section.bg-primary h1,section.bg-primary h2{color:#fff}

/* ---------- misc polish ---------- */
.text-accent{color:var(--v8-blue)}
.hover\:text-accent:hover{color:var(--v8-blue)}
.bg-accent\/5{background-color:rgba(0,72,168,.05)}
.border-accent\/30{border-color:rgba(0,72,168,.3)}
ul.list-disc li::marker{color:var(--v8-blue)}
input,textarea,select{
  border-radius:14px!important;
  border-color:var(--color-border)!important;
  font-family:var(--font-sans);
}
input:focus,textarea:focus,select:focus{
  outline:none;border-color:var(--v8-blue)!important;
  box-shadow:0 0 0 4px rgba(0,72,168,.12);
}
::selection{background:rgba(0,72,168,.16)}

/* 主题集群内链：正文语境链接（2026-10-08） */
.ctx{color:var(--v8-blue);text-decoration:underline;text-underline-offset:2px;font-weight:500}
.ctx:hover{color:var(--color-accent)}