/* ==========================================================
   SZMICROZONE · Home — "Swiss Editorial" 明亮 · 优雅 · 欧式
   仅用于 index.html，不影响其他页面（它们仍使用 style.css）
   ========================================================== */

:root {
  --bg: #faf8f5;
  --bg-alt: #f1eee8;
  --ink: #1c1c1e;
  --ink-soft: #6b6b6b;
  --navy: #1f3a5f;
  --navy-deep: #16293f;
  --gold: #b08d57;
  --line: #e2ded6;

  --serif: "Cormorant Garamond", "Playfair Display", "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --serif-cn: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --sans: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;

  --maxw: 1280px;
  --gutter: clamp(20px, 5vw, 64px);
  --ease: cubic-bezier(.22, .61, .36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; overflow-x: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p, ul { margin: 0; }
ul { padding: 0; list-style: none; }

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

/* ---------- 小标签 ---------- */
.eyebrow {
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 500;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 16px 30px;
  font-size: 14px; letter-spacing: .06em;
  border: 1px solid var(--navy);
  background: var(--navy); color: #fff;
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
  cursor: pointer;
}
.btn:hover { background: var(--navy-deep); border-color: var(--navy-deep); }
.btn-ghost { background: transparent; color: var(--navy); }
.btn-ghost:hover { background: var(--navy); color: #fff; }
.btn .arr { transition: transform .3s var(--ease); }
.btn:hover .arr { transform: translateX(4px); }

.link-arrow {
  display: inline-flex; gap: 10px; align-items: center;
  font-size: 14px; letter-spacing: .06em; color: var(--navy);
  border-bottom: 1px solid var(--gold); padding-bottom: 4px;
  transition: gap .3s var(--ease);
}
.link-arrow:hover { gap: 16px; }

/* ---------- 顶栏 ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 248, 245, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }
.brand { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-family: var(--serif-cn); font-size: 20px; font-weight: 600; color: var(--navy); letter-spacing: .08em; }
.brand-sub { font-size: 10px; letter-spacing: .28em; color: var(--ink-soft); margin-top: 4px; }
.nav-links { display: flex; gap: 34px; }
.nav-links a { font-size: 14px; letter-spacing: .06em; position: relative; padding: 6px 0; color: var(--ink); }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 0;
  background: var(--gold); transition: width .35s var(--ease);
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-cta { padding: 11px 24px; font-size: 13px; }
.nav-toggle { display: none; background: none; border: 0; width: 40px; height: 40px; cursor: pointer; padding: 0; }
.nav-toggle span { display: block; width: 22px; height: 1px; background: var(--navy); margin: 6px auto; transition: transform .3s var(--ease), opacity .3s; }

/* ---------- Hero ---------- */
.hero { padding: clamp(56px, 9vw, 120px) 0 clamp(64px, 9vw, 120px); }
.hero-grid > *, .split > *, .sec-head > * { min-width: 0; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(32px, 6vw, 96px); align-items: center; }
.hero h1 {
  font-family: var(--serif-cn);
  font-weight: 400;
  font-size: clamp(34px, 4.3vw, 60px);
  line-height: 1.18;
  letter-spacing: .01em;
  color: var(--navy);
  margin: 22px 0 28px;
}
.hero h1 .nw { white-space: nowrap; }
.hero h1 em { font-style: normal; color: var(--gold); }
.hero-lead { max-width: 520px; color: var(--ink-soft); font-size: 17px; line-height: 1.85; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 40px; }
.hero-en { margin-top: 56px; font-family: var(--serif); font-style: italic; font-size: 20px; color: var(--ink-soft); }
.hero-visual { position: relative; }
.hero-visual::before {
  content: ""; position: absolute; inset: 24px -24px -24px 24px;
  border: 1px solid var(--gold); z-index: 0;
}
.hero-visual img {
  position: relative; z-index: 1;
  width: 100%; aspect-ratio: 1 / 1.08; object-fit: cover;
  filter: saturate(.55) contrast(1.02);
}
.hero-visual .caption {
  position: absolute; z-index: 2; left: -1px; bottom: -1px;
  background: var(--bg); padding: 14px 22px 0 0;
  font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-soft);
}

/* ---------- 数字条 ---------- */
.numbers { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg); }
.numbers-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.num { padding: 44px 32px; border-left: 1px solid var(--line); }
.num:first-child { border-left: 0; padding-left: 0; }
.num-value { font-family: var(--serif); font-size: clamp(44px, 5vw, 68px); line-height: 1; color: var(--navy); font-weight: 500; }
.num-value small { font-size: .38em; margin-left: 4px; color: var(--gold); letter-spacing: .06em; font-family: var(--sans); }
.num-value.text { font-family: var(--serif-cn); font-size: clamp(30px, 3.4vw, 46px); line-height: 1.25; }
.num-label { margin-top: 14px; font-size: 13px; letter-spacing: .08em; color: var(--ink-soft); }

/* ---------- 区块通用 ---------- */
.section { padding: clamp(72px, 10vw, 150px) 0; }
.section-alt { background: var(--bg-alt); }
.sec-head { display: grid; grid-template-columns: 1fr 2fr; gap: clamp(24px, 6vw, 96px); margin-bottom: clamp(40px, 6vw, 80px); align-items: start; }
.sec-title { font-family: var(--serif-cn); font-weight: 400; font-size: clamp(28px, 3.4vw, 46px); line-height: 1.3; color: var(--navy); }
.sec-desc { color: var(--ink-soft); max-width: 560px; margin-top: 20px; }

/* ---------- 业务列表（编号 + 细线） ---------- */
.cap-list { border-top: 1px solid var(--ink); }
.cap {
  display: grid; grid-template-columns: 90px 1.1fr 1.6fr 48px; gap: 32px; align-items: baseline;
  padding: 36px 0; border-bottom: 1px solid var(--line);
  position: relative; transition: padding .4s var(--ease);
}
.cap::before {
  content: ""; position: absolute; left: 0; bottom: -1px; height: 1px; width: 0;
  background: var(--gold); transition: width .5s var(--ease);
}
.cap:hover::before { width: 100%; }
.cap:hover { padding-left: 12px; }
.cap-no { font-family: var(--serif); font-size: 22px; color: var(--gold); letter-spacing: .04em; }
.cap-title { font-family: var(--serif-cn); font-size: 24px; color: var(--navy); line-height: 1.4; }
.cap-title small { display: block; font-family: var(--sans); font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--ink-soft); margin-top: 8px; }
.cap-desc { color: var(--ink-soft); font-size: 15px; }
.cap-arrow { color: var(--navy); font-size: 20px; text-align: right; transition: transform .3s var(--ease); }
.cap:hover .cap-arrow { transform: translateX(6px); color: var(--gold); }

/* ---------- 分栏图文 ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 7vw, 110px); align-items: center; }
.split.reverse .split-media { order: 2; }
.split-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; filter: saturate(.7); }
.split-media.dark img { filter: saturate(.8) brightness(.9); }
.split-body h2 { font-family: var(--serif-cn); font-weight: 400; font-size: clamp(28px, 3.2vw, 42px); line-height: 1.3; color: var(--navy); margin: 18px 0 24px; }
.split-body p { color: var(--ink-soft); max-width: 480px; }
.points { margin: 32px 0 40px; border-top: 1px solid var(--line); max-width: 480px; }
.points li { display: flex; gap: 20px; padding: 16px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.points li span { font-family: var(--serif); color: var(--gold); min-width: 28px; font-size: 18px; }

/* ---------- 宽幅图片带 ---------- */
.band { position: relative; height: clamp(300px, 42vw, 520px); overflow: hidden; }
.band img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.55) brightness(.82); }
.band::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(22,41,63,.78), rgba(22,41,63,.15) 70%); }
.band-text { position: absolute; z-index: 2; inset: 0; display: flex; align-items: center; color: #fff; }
.band-text blockquote { margin: 0; max-width: 620px; font-family: var(--serif-cn); font-size: clamp(24px, 3.2vw, 42px); line-height: 1.5; font-weight: 400; }
.band-text cite { display: block; margin-top: 24px; font-style: normal; font-size: 12px; letter-spacing: .22em; text-transform: uppercase; color: #d9c49b; }

/* ---------- 澄清（品牌说明） ---------- */
.clarify { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--line); background: var(--bg); }
.clarify > div { padding: clamp(28px, 4vw, 56px); }
.clarify > div + div { border-left: 1px solid var(--line); background: #fff; }
.clarify h3 { font-family: var(--serif-cn); font-weight: 500; font-size: 22px; color: var(--navy); margin: 14px 0 20px; }
.clarify dl { margin: 0; }
.clarify dt { font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--gold); margin-top: 18px; }
.clarify dd { margin: 4px 0 0; font-size: 15px; color: var(--ink); }
.clarify-note { margin-top: 28px; font-size: 14px; color: var(--ink-soft); max-width: 720px; }

/* ---------- CTA ---------- */
.cta { background: var(--navy); color: #fff; padding: clamp(64px, 9vw, 120px) 0; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta h2 { font-family: var(--serif-cn); font-weight: 400; font-size: clamp(28px, 3.6vw, 48px); line-height: 1.3; max-width: 640px; }
.cta p { margin-top: 16px; color: #b9c4d3; max-width: 520px; }
.btn-gold { background: var(--gold); border-color: var(--gold); color: #fff; }
.btn-gold:hover { background: #9a7a48; border-color: #9a7a48; }

/* ---------- 页脚 ---------- */
.footer { background: var(--navy-deep); color: #aeb9c8; padding: 80px 0 32px; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 56px; border-bottom: 1px solid rgba(255,255,255,.12); }
.footer .brand-name { color: #fff; }
.footer .brand-sub { color: #8795aa; }
.footer p { margin-top: 20px; max-width: 320px; line-height: 1.8; }
.footer h4 { margin: 0 0 20px; font-size: 11px; letter-spacing: .22em; text-transform: uppercase; color: var(--gold); font-weight: 500; }
.footer li { margin-bottom: 12px; }
.footer a { transition: color .25s; }
.footer a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding-top: 28px; font-size: 12px; color: #7f8da1; }

/* ---------- 入场动效（克制） ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.d1 { transition-delay: .1s; } .d2 { transition-delay: .2s; } .d3 { transition-delay: .3s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .nav-links { gap: 22px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cap { grid-template-columns: 60px 1fr 40px; }
  .cap-desc { grid-column: 2 / 3; }
  .cap-arrow { grid-row: 1; grid-column: 3; }
}
@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .nav-cta { display: none; }
  .nav-links {
    position: absolute; top: 76px; left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--line);
    max-height: 0; overflow: hidden; transition: max-height .4s var(--ease);
  }
  .nav-links.open { max-height: 420px; }
  .nav-links a { padding: 18px var(--gutter); border-top: 1px solid var(--line); }
  .nav-links a::after { display: none; }
  .hero-grid, .split, .sec-head, .clarify { grid-template-columns: 1fr; }
  .split.reverse .split-media { order: 0; }
  .hero-visual { margin-right: 24px; }
  .hero h1 .nw { white-space: normal; }
  .numbers-grid { grid-template-columns: 1fr 1fr; }
  .num:nth-child(3) { border-left: 0; padding-left: 0; }
  .num:nth-child(n+3) { border-top: 1px solid var(--line); }
  .clarify > div + div { border-left: 0; border-top: 1px solid var(--line); }
}
@media (max-width: 560px) {
  .numbers-grid { grid-template-columns: 1fr; }
  .num { border-left: 0 !important; padding-left: 0 !important; border-top: 1px solid var(--line); }
  .num:first-child { border-top: 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .cap { gap: 14px 18px; padding: 28px 0; }
}


/* ---------- Logo ---------- */
.brand { display: flex; flex-direction: row; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-mark { width: 44px; height: 44px; flex-shrink: 0; }