/* ============================================================
   速宾 · 授权代理商 — 浅色科技蓝主题（Apple 排版 × 科技蓝）
   ============================================================ */
:root {
  /* 色板 — 浅色科技蓝 */
  --bg: #f5f7fb;            /* 页面底色 */
  --bg-2: #eef2f8;          /* 次级底色 */
  --bg-3: #e6eefc;          /* 蓝色调底色 */
  --surface: #ffffff;       /* 卡片 */
  --surface-2: #f8fafc;     /* 浅灰卡底 */
  --accent: #2563eb;        /* 科技蓝 */
  --accent-deep: #1d4ed8;
  --teal: #0891b2;
  --txt-dark: #0f172a;      /* 主文字 */
  --txt-mid: #475569;       /* 次级文字 */
  --txt-soft: #64748b;      /* 弱文字 */
  --line: #e2e8f0;
  --line-strong: #cbd5e1;
  --navy: #0b1f4b;          /* 页脚深蓝 */
  --navy-2: #133a7c;
  /* 布局 */
  --container: 1200px;
  --radius: 22px;
  --radius-lg: 28px;
  --nav-h: 64px;
  /* 字体 */
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue",
    Arial, sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", Consolas, "Courier New", monospace;
  --shadow: 0 24px 60px rgba(15, 40, 100, 0.14);
  --shadow-soft: 0 10px 30px rgba(15, 40, 100, 0.08);
  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--txt-dark);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

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

/* ---------- 导航 ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  background: rgba(255, 255, 255, 0.72);
  border-bottom: 1px solid rgba(15, 40, 100, 0.08);
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.nav.scrolled { background: rgba(255, 255, 255, 0.92); box-shadow: 0 6px 24px rgba(15, 40, 100, 0.08); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.logo { display: flex; align-items: center; gap: 12px; font-weight: 700; letter-spacing: 0.02em; color: var(--txt-dark); }
.brand-logo-img { width: 86px; height: auto; object-fit: contain; }
.logo-mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), #38bdf8);
  display: grid; place-items: center; font-size: 15px; font-weight: 800; color: #fff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}
.logo-sub { font-size: 11px; font-weight: 500; color: var(--txt-soft); letter-spacing: 0.14em; }
.nav-links { display: flex; gap: 6px; align-items: center; }
.nav-links a {
  padding: 8px 16px; border-radius: 980px; font-size: 14px; color: var(--txt-mid);
  transition: color 0.25s, background 0.25s;
}
.nav-links a:hover { color: var(--accent); background: rgba(37, 99, 235, 0.08); }
.nav-links a.active { color: var(--accent); background: rgba(37, 99, 235, 0.1); font-weight: 600; }
.nav-cta {
  margin-left: 10px; padding: 8px 18px; border-radius: 980px;
  background: var(--accent); color: #fff; font-size: 14px; font-weight: 600;
  transition: transform 0.25s, background 0.25s;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}
.nav-cta:hover { background: var(--accent-deep); transform: scale(1.03); }
.nav-burger { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-burger span { display: block; width: 22px; height: 2px; background: var(--txt-dark); margin: 5px 0; border-radius: 2px; }

/* ---------- 通用 ---------- */
.section { padding: 110px 0; }
.section-dark { background: var(--surface); color: var(--txt-dark); }
.section-dark-2 { background: var(--bg); color: var(--txt-dark); }
.section-dark-3 { background: var(--bg-2); color: var(--txt-dark); }
.section-light { background: var(--surface); color: var(--txt-dark); }
.section-gray { background: var(--bg-2); color: var(--txt-dark); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--accent); border-radius: 2px; }

h1, h2, h3 { font-weight: 700; letter-spacing: -0.02em; line-height: 1.08; }
.h-hero { font-size: clamp(42px, 7vw, 84px); }
.h-xl { font-size: clamp(34px, 5vw, 60px); }
.h-lg { font-size: clamp(26px, 3.6vw, 42px); }
.h-md { font-size: clamp(20px, 2.6vw, 28px); }
.lead { font-size: clamp(16px, 1.6vw, 20px); line-height: 1.6; color: var(--txt-mid); }
.sec-head { max-width: 720px; margin-bottom: 60px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head.center .eyebrow { justify-content: center; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 30px; border-radius: 980px; font-size: 16px; font-weight: 600;
  cursor: pointer; transition: transform 0.25s var(--ease), background 0.25s, color 0.25s, box-shadow 0.25s;
  border: none;
}
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 6px 18px rgba(37, 99, 235, 0.32); }
.btn-primary:hover { background: var(--accent-deep); transform: scale(1.03); }
.btn-ghost { background: transparent; color: #fff; border: 1px solid rgba(255, 255, 255, 0.55); backdrop-filter: blur(4px); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.18); transform: scale(1.03); }
.btn-light { background: #fff; color: var(--accent-deep); }
.btn-light:hover { background: #eef2f8; transform: scale(1.03); }
.btn-sm { padding: 10px 20px; font-size: 14px; }

/* ---------- Hero（首页大图区） ---------- */
.hero {
  position: relative; min-height: 96vh; display: flex; align-items: center;
  background: var(--navy);
}
.hero > .container { width: 100%; }
.hero-bg { position: absolute; inset: 0; overflow: hidden; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 22, 55, 0.82) 0%, rgba(7, 22, 55, 0.5) 36%, rgba(7, 22, 55, 0.12) 70%, transparent 100%),
    linear-gradient(180deg, rgba(7, 22, 55, 0.24) 0%, rgba(7, 22, 55, 0.08) 62%, rgba(245, 247, 251, 0.98) 96%);
}
.hero-content { position: relative; padding: 150px 0 90px; max-width: 640px; }
.hero h1 { max-width: 560px; margin: 20px 0 26px; color: #fff; font-size: clamp(42px, 5.8vw, 72px); text-shadow: 0 2px 30px rgba(7, 22, 55, 0.45); }
.hero .lead { color: rgba(255, 255, 255, 0.9); max-width: 520px; font-size: clamp(15px, 1.4vw, 18px); margin-bottom: 36px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-meta { display: flex; gap: 28px; margin-top: 48px; flex-wrap: wrap; }
.hero-meta div { display: flex; flex-direction: column; }
.hero-meta .num { font-size: clamp(26px, 3vw, 36px); font-weight: 700; letter-spacing: -0.02em; color: #fff; }
.hero-meta .lbl { font-size: 13px; color: rgba(255, 255, 255, 0.72); margin-top: 4px; }
.scroll-hint {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.6); font-size: 12px; letter-spacing: 0.2em;
  animation: bob 2.4s ease-in-out infinite;
}
@keyframes bob { 0%,100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 8px); } }

/* ---------- 卡片 ---------- */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  border-radius: var(--radius); overflow: hidden; position: relative;
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease);
}
.card:hover { transform: translateY(-6px); }

.card-dark { background: var(--surface); border: 1px solid var(--line); }
.card-dark:hover { box-shadow: var(--shadow); border-color: var(--line-strong); }
.card-light { background: var(--surface); border: 1px solid var(--line); }
.card-light:hover { box-shadow: var(--shadow-soft); }

/* 产品卡 */
.pcard { padding: 28px; display: flex; flex-direction: column; }
.pcard .pimg {
  background: var(--surface-2); border: 1px solid var(--line); border-radius: 16px; height: 220px;
  display: grid; place-items: center; margin-bottom: 22px; overflow: hidden;
}
.pcard .pimg img { max-height: 100%; object-fit: contain; transition: transform 0.6s var(--ease); }
.pcard:hover .pimg img { transform: scale(1.06); }
.pcard .pname { font-size: 19px; font-weight: 700; color: var(--txt-dark); }
.pcard .pmodel { font-family: var(--font-mono); font-size: 12.5px; color: var(--accent); margin-top: 8px; letter-spacing: 0.04em; }
.pcard .ptags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.pcard .ptags span {
  font-size: 12px; padding: 5px 12px; border-radius: 980px;
  background: var(--bg-3); color: var(--accent-deep); border: 1px solid #d3e2fd;
}
.pcard .plink { margin-top: auto; padding-top: 20px; font-size: 14px; color: var(--accent); font-weight: 600; }

/* 案例卡 */
.ccard { cursor: pointer; }
.ccard .cimg { height: 240px; overflow: hidden; position: relative; }
.ccard .cimg img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s var(--ease); }
.ccard:hover .cimg img { transform: scale(1.07); }
.ccard .cimg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(7, 22, 55, 0.6)); }
.ccard .cbody { position: absolute; left: 0; right: 0; bottom: 0; padding: 20px 22px; color: #fff; }
.ccard .cname { font-weight: 700; font-size: 17px; }
.ccard .ctag { font-size: 12px; color: rgba(255, 255, 255, 0.72); margin-top: 6px; letter-spacing: 0.06em; }

/* 服务/方案卡 */
.scard { padding: 34px 30px; }
.scard .sicon {
  width: 84px; height: 84px; border-radius: 24px; display: grid; place-items: center;
  background: rgba(37, 99, 235, 0.07); border: 1px solid rgba(37, 99, 235, 0.22);
  color: var(--accent); margin-bottom: 26px; transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}
.sicon-svg {
  width: 48px; height: 48px; fill: none; stroke: currentColor; stroke-width: 1.8;
  stroke-linecap: round; stroke-linejoin: round;
}
.scard:hover .sicon {
  background: rgba(37, 99, 235, 0.12); color: var(--accent-deep); transform: translateY(-2px);
}
.scard h3 { font-size: 20px; margin-bottom: 12px; }
.scard p { font-size: 14.5px; line-height: 1.7; color: var(--txt-mid); }
.scard .smore { display: inline-block; margin-top: 18px; font-size: 14px; color: var(--accent); font-weight: 600; }

/* 统计条 */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat { text-align: center; padding: 12px 0; }
.stat .num {
  font-size: clamp(40px, 5vw, 64px); font-weight: 700; letter-spacing: -0.03em;
  background: linear-gradient(180deg, var(--accent-deep) 20%, #38bdf8);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat .lbl { margin-top: 10px; font-size: 14px; color: var(--txt-soft); }

/* ---------- CTA 区 ---------- */
.cta-band {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  padding: 72px 56px; text-align: center;
  background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 45%, #0ea5e9 100%);
  box-shadow: var(--shadow);
}
.cta-band::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(600px 300px at 82% 0%, rgba(255, 255, 255, 0.28), transparent 60%);
  pointer-events: none;
}
.cta-band h2 { color: #fff; font-size: clamp(28px, 4vw, 46px); margin-bottom: 14px; }
.cta-band p { color: rgba(255, 255, 255, 0.86); font-size: 17px; margin-bottom: 30px; }
.cta-band .btn-light { color: var(--accent-deep); }

/* ---------- 页头（内页） ---------- */
.page-hero { padding: 170px 0 80px; position: relative; overflow: hidden; background: linear-gradient(180deg, #e8f1fe 0%, var(--bg) 78%); }
.page-hero::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(900px 420px at 78% -12%, rgba(37, 99, 235, 0.16), transparent 60%),
    radial-gradient(600px 300px at 12% 110%, rgba(14, 165, 233, 0.12), transparent 60%);
  pointer-events: none;
}
.page-hero .container { position: relative; }
.page-hero h1 { font-size: clamp(36px, 5.6vw, 68px); margin: 18px 0 16px; }
.page-hero .lead { max-width: 640px; }

/* ---------- 表格 ---------- */
.tbl-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); box-shadow: var(--shadow-soft); }
table.spec { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 760px; }
table.spec th, table.spec td { padding: 15px 18px; text-align: left; border-bottom: 1px solid var(--line); }
table.spec th { color: var(--txt-soft); font-weight: 600; font-size: 12.5px; letter-spacing: 0.08em; background: var(--surface-2); }
table.spec td { color: var(--txt-dark); }
table.spec tr:last-child td { border-bottom: none; }
table.spec tr:hover td { background: #f6f9ff; }
table.spec .mono { font-family: var(--font-mono); font-size: 13px; color: var(--accent); }

/* ---------- 时间线 ---------- */
.timeline { position: relative; padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(180deg, var(--accent), rgba(37, 99, 235, 0.08)); }
.tl-item { position: relative; padding: 0 0 42px 26px; }
.tl-item::before {
  content: ""; position: absolute; left: -27px; top: 6px; width: 12px; height: 12px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 0 5px rgba(37, 99, 235, 0.16);
}
.tl-item .year { font-family: var(--font-mono); color: var(--accent); font-size: 14px; letter-spacing: 0.08em; }
.tl-item h4 { font-size: 18px; margin: 8px 0 8px; }
.tl-item p { font-size: 14.5px; line-height: 1.7; color: var(--txt-mid); }

/* ---------- 表单 ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 13px; color: var(--txt-soft); }
.form-field input, .form-field select, .form-field textarea {
  padding: 14px 16px; border-radius: 14px; font-size: 15px; font-family: var(--font);
  background: var(--surface); border: 1px solid var(--line); color: var(--txt-dark); outline: none;
  transition: border 0.25s, box-shadow 0.25s;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12); }
.form-field textarea { min-height: 120px; resize: vertical; }

/* ---------- 页脚（深蓝科技色） ---------- */
.footer { background: linear-gradient(180deg, var(--navy) 0%, #0a1938 100%); color: rgba(255, 255, 255, 0.85); padding: 70px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 50px; }
.footer h5 { font-size: 13px; letter-spacing: 0.14em; color: rgba(255, 255, 255, 0.5); margin-bottom: 18px; font-weight: 600; }
.footer a { display: block; font-size: 14px; color: rgba(255, 255, 255, 0.85); padding: 6px 0; opacity: 0.85; }
.footer a:hover { opacity: 1; }
.footer .logo { color: #fff; }
.footer .hotline { font-size: 26px; font-weight: 700; margin: 14px 0 8px; letter-spacing: 0.02em; }
.footer p { color: rgba(255, 255, 255, 0.6); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.14); padding-top: 26px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 12.5px; color: rgba(255, 255, 255, 0.5);
}

/* ---------- 动效 ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.reveal.visible { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }
.reveal-d4 { transition-delay: 0.32s; }

/* 筛选 chips */
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
.chip {
  padding: 9px 20px; border-radius: 980px; font-size: 14px; cursor: pointer;
  background: var(--surface); border: 1px solid var(--line); color: var(--txt-mid);
  transition: all 0.25s;
}
.chip:hover { color: var(--accent); border-color: var(--line-strong); }
.chip.active { background: var(--accent); border-color: var(--accent); color: #fff; box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3); }

/* ---------- 产品详情行 ---------- */
.pd-cat-title { font-size: 15px; font-weight: 700; color: var(--accent); letter-spacing: 0.06em; margin: 54px 0 30px; padding-top: 30px; }
.pd-cat-title:first-of-type { margin-top: 0; padding-top: 0; }
.pd-row {
  display: grid; grid-template-columns: 440px 1fr; gap: 56px; align-items: center;
  padding: 44px 0; border-bottom: 1px solid var(--line);
}
.pd-row:last-child { border-bottom: none; }
.pd-img { background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius); height: 340px; display: grid; place-items: center; overflow: hidden; }
.pd-img img { max-width: 84%; max-height: 84%; object-fit: contain; }
.pd-info h3 { font-size: clamp(24px, 3vw, 34px); margin-bottom: 10px; }
.pd-info .pmodel { font-family: var(--font-mono); color: var(--accent); font-size: 14px; margin-bottom: 22px; letter-spacing: 0.04em; }
.pd-specs { display: grid; gap: 12px; margin-bottom: 24px; }
.pd-specs li { position: relative; padding-left: 28px; font-size: 15px; line-height: 1.6; color: var(--txt-mid); }
.pd-specs li::before {
  content: "✓"; position: absolute; left: 0; top: 1px; width: 18px; height: 18px;
  border-radius: 50%; background: rgba(37, 99, 235, 0.12); color: var(--accent);
  display: grid; place-items: center; font-size: 11px;
}
.pd-info .ptags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }
.pd-info .ptags span {
  font-size: 12.5px; padding: 6px 14px; border-radius: 980px;
  background: var(--bg-3); border: 1px solid #d3e2fd; color: var(--accent-deep);
}
/* 方案细节行 */
.sol-row { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; padding: 54px 0; border-bottom: 1px solid var(--line); }
.sol-row:last-child { border-bottom: none; }
.sol-row .sol-text h3 { font-size: clamp(24px, 3vw, 32px); margin-bottom: 16px; }
.sol-row .sol-text p { font-size: 15.5px; line-height: 1.8; color: var(--txt-mid); margin-bottom: 14px; }
.sol-points { display: grid; gap: 10px; margin: 22px 0 26px; }
.sol-points li { position: relative; padding-left: 26px; font-size: 14.5px; color: var(--txt-mid); line-height: 1.6; }
.sol-points li::before { content: "→"; position: absolute; left: 0; color: var(--accent); }
.sol-side { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow-soft); }
.sol-side h4 { font-size: 15px; letter-spacing: 0.1em; color: var(--txt-soft); margin-bottom: 16px; }
.sol-side .ptags span {
  display: inline-block; font-size: 12.5px; padding: 6px 14px; border-radius: 980px; margin: 0 8px 8px 0;
  background: var(--bg-3); border: 1px solid #d3e2fd; color: var(--accent-deep);
}
.sol-side .case-link { display: block; margin-top: 14px; font-size: 14px; color: var(--accent); font-weight: 600; }

/* ---------- 联系信息卡 ---------- */
.cinfo { display: flex; gap: 18px; align-items: flex-start; }
.cinfo .cicon { width: 48px; height: 48px; flex-shrink: 0; border-radius: 14px; display: grid; place-items: center; font-size: 20px; background: linear-gradient(135deg, rgba(37, 99, 235, 0.14), rgba(56, 189, 248, 0.12)); border: 1px solid #cfe0fc; }
.cinfo h4 { font-size: 16px; margin-bottom: 6px; }
.cinfo p { font-size: 14.5px; line-height: 1.7; color: var(--txt-mid); }
.cinfo p strong { color: var(--txt-dark); font-weight: 600; }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 34px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 80px 0; }
  .pd-row, .sol-row { grid-template-columns: 1fr; gap: 32px; }
  .pd-img { height: 260px; }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .nav-links {
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 4px; padding: 16px 20px 24px;
    background: rgba(255, 255, 255, 0.97); border-bottom: 1px solid var(--line);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-burger { display: block; }
  .hero { min-height: 88vh; }
  .hero-meta { gap: 26px; }
  .cta-band { padding: 48px 24px; }
  .form-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
}

/* ---------- Premium editorial pass ---------- */
:root {
  --bg: #f5f5f7;
  --bg-2: #ffffff;
  --bg-3: #eef0f3;
  --surface: #ffffff;
  --surface-2: #f5f5f7;
  --accent: #0071e3;
  --accent-deep: #0066cc;
  --txt-dark: #1d1d1f;
  --txt-mid: #6e6e73;
  --txt-soft: #86868b;
  --line: rgba(29, 29, 31, 0.11);
  --line-strong: rgba(29, 29, 31, 0.2);
  --navy: #1d1d1f;
  --navy-2: #2d2d30;
  --container: 1280px;
  --radius: 28px;
  --radius-lg: 36px;
  --nav-h: 72px;
  --shadow: 0 20px 60px rgba(29, 29, 31, 0.12);
  --shadow-soft: 0 12px 34px rgba(29, 29, 31, 0.08);
}

body { background: var(--bg); color: var(--txt-dark); }
.container { padding-left: 32px; padding-right: 32px; }

.nav {
  height: var(--nav-h);
  background: rgba(245, 245, 247, 0.86);
  border-bottom-color: rgba(29, 29, 31, 0.08);
  box-shadow: none;
}
.nav.scrolled { background: rgba(245, 245, 247, 0.96); box-shadow: 0 5px 20px rgba(29, 29, 31, 0.06); }
.nav-links { gap: 2px; }
.nav-links a { color: var(--txt-mid); font-size: 13px; padding: 9px 14px; }
.nav-links a:hover { color: var(--txt-dark); background: rgba(29, 29, 31, 0.06); }
.nav-links a.active { color: var(--txt-dark); background: transparent; font-weight: 600; }
.nav-cta { background: var(--accent); box-shadow: none; }
.nav-cta:hover { background: var(--accent-deep); transform: none; }

.section { padding: 150px 0; }
.section-dark, .section-light { background: #fff; color: var(--txt-dark); }
.section-dark-2, .section-dark-3 { background: var(--bg); color: var(--txt-dark); }
.section-gray { background: #fff; color: var(--txt-dark); }
.eyebrow { color: var(--txt-soft); font-size: 12px; letter-spacing: 0.18em; margin-bottom: 22px; }
.eyebrow::before { width: 18px; height: 2px; background: var(--accent); }
h1, h2, h3 { letter-spacing: -0.045em; }
.h-xl { font-size: clamp(40px, 6vw, 76px); line-height: 0.98; }
.lead { color: var(--txt-mid); }
.sec-head { max-width: 780px; margin-bottom: 78px; }
.grid { gap: 32px; }

/* Clean, centered hero inspired by editorial product launches. */
.hero {
  min-height: 960px; padding-top: var(--nav-h); align-items: flex-start;
  background: var(--bg); color: var(--txt-dark); overflow: hidden;
}
.hero > .container { position: relative; z-index: 2; }
.hero-bg { top: auto; bottom: 0; height: 54%; }
.hero-bg img { object-position: center 52%; }
.hero-bg::after {
  background: linear-gradient(180deg, rgba(245, 245, 247, 1) 0%, rgba(245, 245, 247, 0.94) 9%, rgba(245, 245, 247, 0) 34%, rgba(245, 245, 247, 0) 78%, rgba(245, 245, 247, 0.88) 100%);
}
.hero-content { max-width: 900px; margin: 0 auto; padding: 104px 0 48px; text-align: center; }
.hero .eyebrow { justify-content: center; color: var(--txt-soft); }
.hero h1 {
  max-width: none; margin: 26px auto 26px; color: var(--txt-dark);
  font-size: clamp(54px, 8vw, 112px); line-height: 0.96; letter-spacing: -0.07em;
  text-shadow: none;
}
.hero .lead { max-width: 720px; margin: 0 auto 38px; color: var(--txt-mid); font-size: clamp(16px, 1.6vw, 21px); }
.hero-actions { justify-content: center; }
.hero .btn-ghost { color: var(--txt-dark); border-color: rgba(29, 29, 31, 0.24); backdrop-filter: none; }
.hero .btn-ghost:hover { background: rgba(29, 29, 31, 0.06); }
.hero-meta { justify-content: center; gap: 60px; margin-top: 54px; }
.hero-meta .num { color: var(--txt-dark); font-size: clamp(28px, 3vw, 40px); }
.hero-meta .lbl { color: var(--txt-soft); }
.scroll-hint { color: var(--txt-soft); bottom: 18px; }

.card { border-radius: 32px; }
.card-dark, .card-light { background: var(--surface); border-color: rgba(29, 29, 31, 0.1); }
.card-dark:hover, .card-light:hover { box-shadow: 0 18px 44px rgba(29, 29, 31, 0.1); border-color: rgba(29, 29, 31, 0.16); }
.pcard { padding: 32px; }
.pcard .pimg { height: 260px; border: 0; border-radius: 24px; background: var(--surface-2); margin-bottom: 26px; }
.pcard .pname { font-size: 20px; }
.pcard .ptags span, .pd-info .ptags span, .sol-side .ptags span { background: #f0f3f7; border-color: transparent; color: var(--txt-mid); }
.ccard .cimg { height: 280px; }
.ccard .cimg::after { background: linear-gradient(180deg, transparent 44%, rgba(0, 0, 0, 0.64)); }
.scard { padding: 40px 34px; }

.cta-band {
  padding: 96px 56px; border-radius: 36px; background: #1d1d1f; box-shadow: none;
}
.cta-band::after { background: radial-gradient(600px 300px at 82% 0%, rgba(0, 113, 227, 0.32), transparent 60%); }
.cta-band h2 { letter-spacing: -0.05em; }

.page-hero { padding: 190px 0 96px; background: var(--bg); }
.page-hero::after { background: radial-gradient(700px 360px at 78% -12%, rgba(0, 113, 227, 0.1), transparent 60%); }
.tbl-wrap, .sol-side { box-shadow: none; }
.footer { background: #1d1d1f; }

@media (max-width: 960px) {
  .section { padding: 104px 0; }
  .hero { min-height: 900px; }
  .hero-content { padding-top: 88px; }
  .hero-meta { gap: 34px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .container { padding-left: 20px; padding-right: 20px; }
  .section { padding: 88px 0; }
  .hero { min-height: 900px; }
  .hero-bg { height: 44%; }
  .hero-content { padding-top: 72px; }
  .hero h1 { font-size: clamp(48px, 15vw, 72px); }
  .hero .lead { font-size: 16px; }
  .hero-meta { gap: 22px; margin-top: 42px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .cta-band { padding: 64px 24px; }
}