/* 世创长荣控股官网 —— 样式。配色与字体取自公司 PPT 模板：金 #C9983E、藏青 #17344E、深藏青 #00152A、米白 #F7F5F0。 */
@font-face {
  font-family: "Crest Serif";
  src: url("fonts/crest-serif-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

:root {
  --navy-deep: #00152A;
  --navy: #17344E;
  --navy-2: #1B3554;
  --gold: #C9983E;
  --gold-light: #EBCB85;
  --gold-dark: #8A6420;
  --ivory: #F7F5F0;
  --paper: #ffffff;
  --ink: #00152A;
  --sub: #5E646B;
  --line: #DBD5C8;
  --line-soft: #E6E1D6;
  --on-navy: #C8D0D8;
  --on-navy-dim: #9AA7B5;
  --gutter: 80px;
  --page: 1440px;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ivory);
  color: var(--ink);
  font: 16px/1.7 "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
img { max-width: 100%; display: block; }
a { color: var(--navy); text-decoration: none; }
a:hover { color: var(--gold-dark); }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
h1, h2, p, dl, dd { margin: 0; }
[hidden] { display: none !important; }

.serif { font-family: "Crest Serif", "Songti SC", "STSong", "SimSun", serif; font-weight: 600; }
.mono { font-family: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, "Courier New", monospace; font-variant-numeric: tabular-nums; }
.eyebrow { font-size: 12px; letter-spacing: .22em; color: var(--gold-dark); }
.wrap { width: 100%; max-width: var(--page); margin-inline: auto; padding-inline: var(--gutter); }

/* 顶栏 */
.topbar { background: var(--navy-deep); color: #fff; flex-shrink: 0; position: relative; z-index: 10; }
.topbar .wrap { height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 16px; color: #fff; min-height: 44px; }
.brand:hover { color: #fff; }
.brand img { height: 40px; width: auto; }
.brand span { font-size: 19px; letter-spacing: .14em; line-height: 40px; padding-left: 16px; border-left: 1px solid rgba(255,255,255,.22); white-space: nowrap; }
.nav { display: flex; align-items: center; gap: 44px; font-size: 15px; }
.nav a { color: var(--on-navy); }
.nav a:hover, .nav a[aria-current="page"] { color: #fff; }
.nav a[aria-current="page"] { border-bottom: 1px solid var(--gold); padding-bottom: 2px; }
.btn-terminal { border: 1px solid rgba(255,255,255,.32); padding: 9px 18px; border-radius: 2px; color: var(--ivory) !important; font-size: 14px; white-space: nowrap; }
.btn-terminal:hover { background: rgba(255,255,255,.12); color: #fff !important; }
.bar-actions { display: none; align-items: center; gap: 2px; }
.menu-btn { width: 44px; height: 44px; border: 0; background: transparent; color: #fff; display: flex; align-items: center; justify-content: center; cursor: pointer; }

/* 首屏 */
.hero { position: relative; overflow: hidden; background: var(--navy-deep); color: #fff; display: flex; min-height: 560px; flex-shrink: 0; }
.hero > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; }
.hero-panel {
  position: relative; width: 50%;
  padding: 72px 64px 72px max(var(--gutter), calc((100vw - var(--page)) / 2 + var(--gutter)));
  background: rgba(23, 52, 78, .74);
  display: flex; flex-direction: column; justify-content: center; gap: 30px;
}
.hero-panel .eyebrow { color: var(--gold-light); letter-spacing: .24em; }
.hero h1 { font-size: clamp(46px, 5vw, 72px); line-height: 1.3; letter-spacing: .14em; }
.rule { width: 64px; height: 2px; background: var(--gold); }
.actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 6px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 26px; border-radius: 2px; font-size: 15px; border: 1px solid transparent; cursor: pointer; font-family: inherit; }
.btn-gold { background: var(--gold); color: var(--navy-deep); font-weight: 600; }
.btn-gold:hover { background: #E0B860; color: var(--navy-deep); }
.btn-ghost { border-color: rgba(255,255,255,.5); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.12); color: #fff; }
.btn-navy { background: var(--navy); color: #fff; font-weight: 600; padding: 0 32px; }
.btn-navy:hover { background: var(--navy-2); color: #fff; }
.btn[disabled] { opacity: .6; cursor: default; }
.hero-spacer { display: none; }

/* 版块 */
.section { padding-block: 120px; flex-shrink: 0; }
.section.paper { background: var(--paper); border-bottom: 1px solid var(--line); }
.cols { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: 24px; }
.cols > .head { grid-column: 1 / span 4; display: flex; flex-direction: column; gap: 20px; }
.cols > .body { grid-column: 6 / span 7; }
h1.title, h2.title { font-size: 38px; line-height: 1.35; }
.caption { font-size: 14px; letter-spacing: .08em; color: var(--sub); }
.statement { font-size: 24px; line-height: 1.9; border-top: 1px solid var(--gold); padding-top: 28px; }

.facts { border-top: 1px solid var(--gold); font-size: 17px; }
.facts > div { display: grid; grid-template-columns: 120px minmax(0, 1fr); border-bottom: 1px solid var(--line); padding-block: 20px; }
.facts dt { color: var(--sub); }
.contact-cta { display: flex; align-items: center; flex-wrap: wrap; gap: 24px; margin-top: 36px; }

/* 集团成员 */
.page-main { flex: 1 0 auto; padding-block: 96px 112px; }
.page-head { display: flex; flex-direction: column; gap: 20px; margin-bottom: 56px; }
.holding { background: var(--navy); color: #fff; border-radius: 2px; padding: 40px 44px; display: flex; justify-content: space-between; align-items: center; gap: 32px; }
.holding .eyebrow { color: var(--gold-light); font-size: 11px; letter-spacing: .2em; }
.holding .name { font-size: 28px; line-height: 1.35; margin-top: 10px; }
.holding img { height: 72px; width: auto; flex-shrink: 0; }
.tree { position: relative; height: 56px; }
.tree i { position: absolute; background: var(--gold); }
.tree .v0 { left: 50%; top: 0; width: 1px; height: 28px; }
.tree .h { left: calc(25% - 6px); right: calc(25% - 6px); top: 28px; height: 1px; }
.tree .v1 { left: calc(25% - 6px); top: 28px; width: 1px; height: 28px; }
.tree .v2 { right: calc(25% - 6px); top: 28px; width: 1px; height: 28px; }
.subs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.sub { border: 1px solid var(--line); border-radius: 2px; padding: 36px 40px; background: var(--paper); display: flex; flex-direction: column; gap: 12px; }
.sub .eyebrow { font-size: 11px; letter-spacing: .2em; }
.sub .name { font-size: 24px; line-height: 1.35; }
.sub .biz { color: var(--sub); border-top: 1px solid var(--line-soft); padding-top: 14px; margin-top: 6px; }

/* 站内信 */
.form { background: var(--paper); border: 1px solid var(--line); border-radius: 2px; padding: 44px; display: flex; flex-direction: column; gap: 22px; }
.row2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: 13px; color: var(--sub); }
.field input[type="text"], .field select, .field textarea {
  width: 100%; min-height: 48px; padding: 0 12px; border: 1px solid #C8D0D8; border-radius: 2px;
  background: #fff; color: var(--ink); font: inherit; font-size: 16px;
}
.field textarea { padding: 12px; line-height: 1.7; resize: vertical; min-height: 168px; }
.field input[type="file"] { width: 100%; padding: 12px; border: 1px dashed #C8D0D8; border-radius: 2px; background: var(--ivory); color: var(--sub); font: inherit; font-size: 14px; }
.field input::placeholder { color: #8A9099; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-foot { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px 28px; margin-top: 6px; }
.consent { font-size: 13px; line-height: 1.6; color: var(--sub); max-width: 34em; }
.form-actions { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.form-actions a { color: var(--sub); font-size: 15px; }
.status { font-size: 14px; line-height: 1.6; }
.status.ok { color: #186B4E; }
.status.err { color: #9C2F35; }

/* 页脚 */
.footer { background: var(--navy-deep); color: var(--on-navy); padding-block: 56px 36px; flex-shrink: 0; margin-top: auto; }
.footer .top { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 28px 48px; }
.footer .sign { display: flex; align-items: center; gap: 20px; }
.footer .sign img { height: 52px; width: auto; }
.footer .sign div { display: flex; flex-direction: column; gap: 6px; border-left: 1px solid rgba(255,255,255,.22); padding-left: 20px; }
.footer .sign .co { font-size: 15px; color: #fff; }
.footer .sign .motto { font-size: 14px; letter-spacing: .2em; color: #E0B860; }
.footer nav { display: flex; flex-wrap: wrap; gap: 0 36px; font-size: 14px; }
.footer nav a { color: var(--on-navy); display: inline-flex; align-items: center; min-height: 44px; }
.footer a:hover { color: #fff; }
.footer .bottom { display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 12px 48px; border-top: 1px solid rgba(255,255,255,.14); margin-top: 32px; padding-top: 24px; font-size: 13px; color: var(--on-navy-dim); }
.footer .bottom a { color: var(--on-navy-dim); }
.footer .legal { font-size: 12px; letter-spacing: .04em; }
.footer.compact { padding-block: 28px; }
.footer.compact .bottom { border-top: 0; margin-top: 0; padding-top: 0; align-items: center; }

/* 窄屏 */
@media (max-width: 900px) {
  :root { --gutter: 24px; }
  .topbar .wrap { height: 60px; padding-right: 4px; padding-left: 16px; }
  .brand { gap: 10px; }
  .brand img { height: 30px; }
  .brand span { font-size: 15px; letter-spacing: .1em; line-height: 30px; padding-left: 10px; }
  .bar-actions { display: flex; }
  .bar-actions .btn-terminal { display: inline-flex; align-items: center; min-height: 44px; padding: 0 12px; font-size: 13px; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 60px; background: var(--navy-deep); border-top: 1px solid rgba(255,255,255,.14); flex-direction: column; align-items: stretch; gap: 0; padding: 8px 24px 16px; }
  .nav.open { display: flex; }
  .nav a { min-height: 48px; display: flex; align-items: center; border-bottom: 1px solid rgba(255,255,255,.1); }
  .nav a[aria-current="page"] { padding-bottom: 0; border-bottom-color: var(--gold); }
  .nav .btn-terminal { display: none; }

  .hero { flex-direction: column; min-height: 0; }
  .hero > img { object-position: 78% 50%; }
  .hero-panel { width: 100%; padding: 64px 24px 56px; gap: 24px; background: rgba(23, 52, 78, .76); }
  .hero h1 { font-size: 48px; letter-spacing: .12em; }
  .rule { width: 48px; }
  .actions { flex-direction: column; gap: 12px; margin-top: 4px; }
  .actions .btn { width: 100%; }

  .section { padding-block: 64px; }
  .cols { display: flex; flex-direction: column; gap: 28px; }
  .cols > .head { gap: 18px; }
  h1.title, h2.title { font-size: 28px; line-height: 1.4; }
  .statement { font-size: 18px; padding-top: 22px; }
  .facts { font-size: 15px; }
  .facts > div { grid-template-columns: 72px minmax(0, 1fr); padding-block: 14px; }
  .contact-cta { flex-direction: column; align-items: stretch; gap: 12px; margin-top: 28px; text-align: center; }

  .page-main { padding-block: 48px 56px; }
  .page-head { gap: 16px; margin-bottom: 30px; }
  .holding { padding: 26px 24px; }
  .holding .name { font-size: 21px; line-height: 1.4; margin-top: 8px; }
  .holding img { display: none; }
  .tree { display: none; }
  .subs { grid-template-columns: minmax(0, 1fr); gap: 12px; margin: 16px 0 0 12px; padding: 4px 0 4px 20px; border-left: 1px solid var(--gold); }
  .sub { padding: 22px 20px; gap: 8px; }
  .sub .name { font-size: 18px; line-height: 1.4; }
  .sub .biz { font-size: 15px; padding-top: 10px; margin-top: 4px; }

  .form { padding: 24px 20px; gap: 16px; }
  .row2 { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .form-foot { flex-direction: column; align-items: stretch; }
  .form-actions { margin-left: 0; flex-direction: column-reverse; gap: 8px; }
  .form-actions .btn { width: 100%; min-height: 50px; }
  .form-actions a { display: flex; align-items: center; justify-content: center; min-height: 44px; }

  .footer { padding-block: 40px 28px; }
  .footer .sign { gap: 16px; }
  .footer .sign img { height: 44px; }
  .footer .sign div { padding-left: 16px; gap: 4px; }
  .footer .sign .co, .footer .sign .motto { font-size: 13px; }
  .footer nav { gap: 0 18px; }
  .footer .bottom { flex-direction: column; align-items: flex-start; margin-top: 18px; padding-top: 16px; font-size: 12px; }
  .footer .legal { font-size: 11px; line-height: 1.9; }
  .footer .legal a { display: inline-flex; align-items: center; min-height: 44px; }
  .footer.compact { padding-block: 24px 20px; }
  .footer.compact .bottom { align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }