/* ==========================================================================
   杭州策励智创文化传媒有限公司 — 单页官网
   纯静态 · 无脚本 · 无跳转
   ========================================================================== */

:root {
  --ink: #12202f;
  --ink-2: #1b2c3f;
  --ink-soft: #46586b;
  --ink-mute: #7a8a9b;
  --paper: #f8f6f2;
  --paper-2: #f1eee7;
  --white: #ffffff;
  --gold: #b0873f;
  --gold-2: #d9b978;
  --line: rgba(18, 32, 47, 0.12);
  --container: 1080px;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Songti SC", "Source Han Serif SC", "STSong", "SimSun", Georgia, serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
h1, h2, h3 { margin: 0; font-family: var(--font-serif); font-weight: 600; letter-spacing: 0.02em; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- 顶栏 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(248, 246, 242, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-mark {
  width: 38px;
  height: 38px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--ink);
  color: var(--gold-2);
  font-family: var(--font-serif);
  font-size: 19px;
}
.brand-name {
  font-family: var(--font-serif);
  font-size: 16px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav a {
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 14.5px;
  color: var(--ink-soft);
  transition: color 0.2s, background 0.2s;
}
.nav a:hover {
  color: var(--ink);
  background: rgba(18, 32, 47, 0.05);
}

/* ---------- 首屏 ---------- */
.hero {
  position: relative;
  padding: 110px 0 96px;
  background:
    radial-gradient(720px 380px at 78% -10%, rgba(217, 185, 120, 0.22), transparent 65%),
    var(--paper);
  border-bottom: 1px solid var(--line);
}
.hero-label {
  font-size: 12.5px;
  letter-spacing: 0.28em;
  color: var(--gold);
  margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(30px, 4.4vw, 50px);
  line-height: 1.3;
}
.hero-sub {
  margin-top: 22px;
  max-width: 640px;
  font-size: clamp(16px, 1.6vw, 18.5px);
  color: var(--ink-soft);
  line-height: 1.95;
}
/* ---------- 区块 ---------- */
.section { padding: 88px 0; }
.section--gray { background: var(--paper-2); }

.section h2 {
  font-size: clamp(22px, 2.6vw, 30px);
  margin-bottom: 10px;
}
.section h2::after {
  content: "";
  display: block;
  width: 28px;
  height: 2px;
  margin-top: 18px;
  background: var(--gold);
}
.about-text {
  margin-top: 32px;
  max-width: 760px;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 2.05;
}
.about-text + .about-text { margin-top: 16px; }

/* ---------- 产品（简版） ---------- */
.products {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 36px;
}
.product {
  padding: 34px 32px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
}
.product h3 {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 22px;
  margin-bottom: 12px;
}
.product h3 span {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
}
.product-desc {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.9;
}
.product ul {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}
.product li {
  position: relative;
  padding-left: 14px;
  font-size: 14.5px;
  color: var(--ink-soft);
}
.product li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold-2);
}

/* ---------- 联系 ---------- */
.contact-list {
  margin: 36px 0 0;
  display: grid;
  gap: 0;
  max-width: 620px;
}
.contact-list > div {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.contact-list > div:first-child { border-top: 1px solid var(--line); }
.contact-list dt {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--ink-mute);
}
.contact-list dd {
  margin: 0;
  font-size: 16px;
  color: var(--ink);
  word-break: break-all;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--ink);
  color: #93a1b1;
  padding: 40px 0;
  font-size: 13px;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  align-items: center;
  justify-content: space-between;
}
.footer-inner a { color: #93a1b1; }
.footer-inner a:hover { color: var(--gold-2); }

/* ---------- 响应式 ---------- */
@media (max-width: 760px) {
  .container { padding: 0 20px; }
  .header-inner { height: 64px; }
  .brand-mark { width: 34px; height: 34px; font-size: 17px; }
  .brand-name { font-size: 14px; }
  .nav { gap: 0; }
  .nav a { padding: 6px 9px; font-size: 13.5px; }
  .hero { padding: 64px 0 60px; }
  .hero-label { margin-bottom: 16px; letter-spacing: 0.2em; }
  .section { padding: 60px 0; }
  .products { grid-template-columns: 1fr; gap: 16px; }
  .product { padding: 26px 22px; }
  .contact-list > div { grid-template-columns: 1fr; gap: 4px; padding: 14px 0; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 420px) {
  .brand-name { display: none; }
}