/* ==========================================================================
   金华市御界玄程科技有限公司 · 企业官网样式表
   设计基调：简约、大气、专业。深蓝主色 + 大量留白 + 细线分隔
   ========================================================================== */

/* ---------- 设计令牌 ---------- */
:root {
  /* 主色 */
  --c-primary: #0b3b7a;
  --c-primary-dark: #072a59;
  --c-primary-light: #1a5ba8;
  --c-primary-soft: #eef3fa;
  --c-accent: #c9a227;

  /* 中性色 */
  --c-text: #1c2530;
  --c-text-sub: #5a6775;
  --c-text-mute: #8b97a5;
  --c-line: #e3e8ef;
  --c-line-soft: #eef1f5;
  --c-bg: #ffffff;
  --c-bg-alt: #f7f9fc;
  --c-bg-deep: #0b3b7a;

  /* 语义色 */
  --c-success: #1f9254;
  --c-danger: #c0392b;
  --c-warn: #b8860b;

  /* 尺寸 */
  --sp-xs: 4px;
  --sp-sm: 8px;
  --sp-md: 16px;
  --sp-lg: 24px;
  --sp-xl: 40px;
  --sp-2xl: 64px;
  --sp-3xl: 96px;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;

  --shadow-sm: 0 1px 3px rgba(16, 30, 54, .06);
  --shadow-md: 0 6px 20px rgba(16, 30, 54, .08);
  --shadow-lg: 0 16px 44px rgba(16, 30, 54, .12);

  --header-h: 72px;
  --max-w: 1200px;

  --font-sans: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB",
    "Source Han Sans SC", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, sans-serif;
}

/* ---------- 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; border: 0; }

a { color: var(--c-primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--c-primary-light); }

h1, h2, h3, h4 { margin: 0; font-weight: 600; line-height: 1.35; color: var(--c-text); }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

button, input, textarea, select { font-family: inherit; font-size: inherit; }

/* ---------- 布局容器 ---------- */
.container { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 var(--sp-lg); }
.container-narrow { width: 100%; max-width: 860px; margin: 0 auto; padding: 0 var(--sp-lg); }

.section { padding: var(--sp-3xl) 0; }
.section-alt { background: var(--c-bg-alt); }

/* ---------- 页头导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--c-line);
}
.site-header .container {
  height: 100%; display: flex; align-items: center; justify-content: space-between; gap: var(--sp-lg);
}

.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-mark {
  width: 38px; height: 38px;
  object-fit: contain; flex-shrink: 0; display: block;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-size: 16px; font-weight: 700; color: var(--c-text); letter-spacing: .3px; }
.brand-sub { font-size: 10px; color: var(--c-text-mute); letter-spacing: 1.6px; text-transform: uppercase; }

.nav { display: flex; align-items: center; gap: var(--sp-xs); }
.nav-link {
  padding: 8px 16px; border-radius: var(--radius-sm);
  font-size: 15px; color: var(--c-text-sub); font-weight: 500; transition: all .2s;
}
.nav-link:hover { color: var(--c-primary); background: var(--c-primary-soft); }
.nav-link.active { color: var(--c-primary); font-weight: 600; }

.header-actions { display: flex; align-items: center; gap: var(--sp-sm); flex-shrink: 0; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 22px; border-radius: var(--radius-sm);
  font-size: 15px; font-weight: 500; cursor: pointer;
  border: 1px solid transparent; transition: all .2s; white-space: nowrap;
  text-decoration: none; line-height: 1.5;
}
.btn-primary { background: var(--c-primary); color: #fff; }
.btn-primary:hover { background: var(--c-primary-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; color: var(--c-primary); border-color: var(--c-primary); }
.btn-outline:hover { background: var(--c-primary-soft); }
.btn-ghost { background: transparent; color: var(--c-text-sub); }
.btn-ghost:hover { color: var(--c-primary); background: var(--c-primary-soft); }
.btn-light { background: #fff; color: var(--c-primary); }
.btn-light:hover { background: rgba(255,255,255,.88); color: var(--c-primary); }
.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.5); }
.btn-outline-light:hover { background: rgba(255,255,255,.14); color: #fff; border-color: #fff; }
.btn-sm { padding: 7px 16px; font-size: 14px; }
.btn-lg { padding: 13px 32px; font-size: 16px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }

.text-btn { background: none; border: 0; color: var(--c-primary); cursor: pointer; font-size: 14px; padding: 0; }
.text-btn:hover { text-decoration: underline; }

/* ---------- 首屏 ---------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(140deg, var(--c-primary-dark) 0%, var(--c-primary) 55%, #16509a 100%);
  color: #fff; padding: var(--sp-3xl) 0;
}
.hero::after {
  content: ""; position: absolute; right: -160px; top: -160px;
  width: 620px; height: 620px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.10) 0%, transparent 68%);
  pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: var(--sp-2xl); align-items: center; position: relative; z-index: 1; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 14px; border-radius: 999px;
  background: rgba(255,255,255,.13); border: 1px solid rgba(255,255,255,.22);
  font-size: 13px; letter-spacing: .5px; margin-bottom: var(--sp-lg);
}
.hero h1 { font-size: 42px; line-height: 1.28; letter-spacing: -.5px; color: #fff; margin-bottom: var(--sp-lg); }
.hero h1 em { font-style: normal; color: #ffd97a; }
.hero-desc { font-size: 16px; line-height: 1.9; color: rgba(255,255,255,.82); max-width: 540px; margin-bottom: var(--sp-xl); }
.hero-actions { display: flex; gap: var(--sp-md); flex-wrap: wrap; }

.hero-card {
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--radius-lg); padding: var(--sp-lg); backdrop-filter: blur(6px);
}
.hero-card h3 { color: #fff; font-size: 15px; margin-bottom: var(--sp-md); letter-spacing: .5px; }
.hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-md); }
.hero-stat { border-left: 2px solid rgba(255,255,255,.28); padding-left: var(--sp-md); }
.hero-stat strong { display: block; font-size: 26px; font-weight: 700; color: #fff; line-height: 1.2; }
.hero-stat span { font-size: 13px; color: rgba(255,255,255,.7); }

/* ---------- 区块标题 ---------- */
.section-head { text-align: center; max-width: 680px; margin: 0 auto var(--sp-2xl); }
.section-head .eyebrow {
  display: inline-block; font-size: 12px; font-weight: 600;
  letter-spacing: 2.4px; color: var(--c-primary); text-transform: uppercase; margin-bottom: var(--sp-sm);
}
.section-head h2 { font-size: 30px; letter-spacing: -.3px; margin-bottom: var(--sp-md); }
.section-head p { font-size: 15px; color: var(--c-text-sub); line-height: 1.9; }
.section-head-left { text-align: left; margin-left: 0; }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: var(--sp-lg); }
.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 {
  background: #fff; border: 1px solid var(--c-line);
  border-radius: var(--radius-md); padding: var(--sp-lg);
  transition: all .25s;
}
.card:hover { border-color: #cfd9e6; box-shadow: var(--shadow-md); transform: translateY(-3px); }
.card-icon {
  width: 44px; height: 44px; border-radius: var(--radius-sm);
  background: var(--c-primary-soft); color: var(--c-primary);
  display: flex; align-items: center; justify-content: center; margin-bottom: var(--sp-md);
}
.card-icon svg { width: 22px; height: 22px; }
.card h3 { font-size: 17px; margin-bottom: 10px; }
.card p { font-size: 14px; color: var(--c-text-sub); line-height: 1.85; }
.card-tag {
  display: inline-block; font-size: 12px; color: var(--c-primary);
  background: var(--c-primary-soft); padding: 2px 10px; border-radius: 3px; margin-bottom: 10px;
}

/* ---------- 优势条 ---------- */
.adv-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-lg); }
.adv-item { text-align: center; padding: var(--sp-lg) var(--sp-md); }
.adv-num {
  font-size: 34px; font-weight: 700; color: var(--c-primary);
  letter-spacing: -1px; line-height: 1.1; margin-bottom: var(--sp-sm);
}
.adv-label { font-size: 14px; color: var(--c-text-sub); }

/* ---------- 文章列表 ---------- */
.article-item {
  display: block; padding: var(--sp-lg) 0; border-bottom: 1px solid var(--c-line-soft);
  transition: padding-left .2s;
}
.article-item:hover { padding-left: var(--sp-sm); }
.article-item h3 { font-size: 17px; margin-bottom: 8px; color: var(--c-text); }
.article-item:hover h3 { color: var(--c-primary); }
.article-meta { display: flex; align-items: center; gap: var(--sp-md); font-size: 13px; color: var(--c-text-mute); margin-bottom: 8px; }
.article-meta .tag { color: var(--c-primary); background: var(--c-primary-soft); padding: 1px 8px; border-radius: 3px; }
.article-item p { font-size: 14px; color: var(--c-text-sub); line-height: 1.85; }

/* ---------- 页脚 ---------- */
.site-footer { background: #0d1a2b; color: rgba(255,255,255,.62); padding: var(--sp-2xl) 0 var(--sp-lg); font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: var(--sp-xl); margin-bottom: var(--sp-xl); }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: var(--sp-md); }
.footer-brand .brand-mark { background: rgba(255,255,255,.92); border-radius: 6px; padding: 4px; }
.footer-brand-name { color: #fff; font-weight: 600; font-size: 15px; }
.footer-about { line-height: 1.9; font-size: 13px; }
.footer-col h4 { color: #fff; font-size: 14px; margin-bottom: var(--sp-md); font-weight: 600; }
.footer-col li { margin-bottom: 10px; font-size: 13px; }
.footer-col a { color: rgba(255,255,255,.62); }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1); padding-top: var(--sp-lg);
  display: flex; justify-content: space-between; gap: var(--sp-md); flex-wrap: wrap; font-size: 13px;
}
.footer-bottom a { color: rgba(255,255,255,.62); }
.footer-bottom a:hover { color: #fff; }

/* ---------- 内页头 ---------- */
.page-head {
  background: linear-gradient(140deg, var(--c-primary-dark) 0%, var(--c-primary) 100%);
  color: #fff; padding: var(--sp-2xl) 0; position: relative; overflow: hidden;
}
.page-head::after {
  content: ""; position: absolute; right: -120px; bottom: -200px;
  width: 480px; height: 480px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.09) 0%, transparent 70%);
}
.page-head h1 { font-size: 32px; color: #fff; margin-bottom: var(--sp-md); position: relative; }
.page-head p { color: rgba(255,255,255,.8); font-size: 15px; max-width: 720px; line-height: 1.9; position: relative; }
.crumb { font-size: 13px; color: rgba(255,255,255,.62); margin-bottom: var(--sp-md); position: relative; }
.crumb a { color: rgba(255,255,255,.78); }
.crumb a:hover { color: #fff; }

/* ---------- 通用内容块 ---------- */
.prose h2 { font-size: 22px; margin: var(--sp-xl) 0 var(--sp-md); }
.prose h3 { font-size: 17px; margin: var(--sp-lg) 0 var(--sp-sm); }
.prose p { margin-bottom: var(--sp-md); color: var(--c-text-sub); line-height: 1.95; }
.prose ul { margin-bottom: var(--sp-md); }
.prose ul li { position: relative; padding-left: 20px; margin-bottom: 10px; color: var(--c-text-sub); line-height: 1.9; }
.prose ul li::before {
  content: ""; position: absolute; left: 4px; top: 12px;
  width: 5px; height: 5px; border-radius: 50%; background: var(--c-primary);
}

/* 数据表 */
.table-wrap { overflow-x: auto; margin: var(--sp-lg) 0; border: 1px solid var(--c-line); border-radius: var(--radius-md); }
table.data { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data thead { background: var(--c-bg-alt); }
table.data th {
  text-align: left; padding: 13px var(--sp-md); font-weight: 600;
  color: var(--c-text); border-bottom: 1px solid var(--c-line); white-space: nowrap;
}
table.data td { padding: 13px var(--sp-md); border-bottom: 1px solid var(--c-line-soft); color: var(--c-text-sub); vertical-align: top; }
table.data tbody tr:last-child td { border-bottom: 0; }
table.data tbody tr:hover { background: #fafcfe; }

/* 卡片式信息块 */
.info-card { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-md); padding: var(--sp-lg); }
.info-card h3 { font-size: 16px; margin-bottom: var(--sp-md); display: flex; align-items: center; gap: 8px; }
.info-list li { display: flex; gap: var(--sp-md); padding: 10px 0; border-bottom: 1px dashed var(--c-line); font-size: 14px; }
.info-list li:last-child { border-bottom: 0; }
.info-list .k { color: var(--c-text-mute); width: 88px; flex-shrink: 0; }
.info-list .v { color: var(--c-text); flex: 1; word-break: break-all; }

/* ---------- 表单 ---------- */
.form-field { margin-bottom: var(--sp-md); }
.form-field label { display: block; font-size: 14px; font-weight: 500; margin-bottom: var(--sp-sm); color: var(--c-text); }
.form-field label .req { color: var(--c-danger); margin-left: 2px; }
.form-input, .form-textarea, .form-select {
  width: 100%; padding: 11px 14px; border: 1px solid var(--c-line);
  border-radius: var(--radius-sm); background: #fff; color: var(--c-text);
  transition: border-color .2s, box-shadow .2s; font-size: 14px;
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(11,59,122,.09);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--c-text-mute); }
.form-textarea { resize: vertical; min-height: 118px; line-height: 1.8; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-md); }
.form-hint { font-size: 12px; color: var(--c-text-mute); margin-top: 6px; }

/* 提示条 */
.alert { padding: 11px 15px; border-radius: var(--radius-sm); font-size: 14px; margin-bottom: var(--sp-md); line-height: 1.7; display: none; }
.alert.show { display: block; }
.alert-error { background: #fdf1f0; color: var(--c-danger); border: 1px solid #f5d5d2; }
.alert-success { background: #eef8f2; color: var(--c-success); border: 1px solid #cfeadd; }
.alert-info { background: var(--c-primary-soft); color: var(--c-primary); border: 1px solid #d6e3f3; }
.alert-warn { background: #fdf8ec; color: var(--c-warn); border: 1px solid #f2e5c6; }

/* ---------- 登录 / 注册弹层 ---------- */
.modal-mask {
  position: fixed; inset: 0; background: rgba(11, 22, 38, .55);
  backdrop-filter: blur(3px); z-index: 200;
  display: flex; align-items: center; justify-content: center; padding: var(--sp-lg);
  opacity: 0; visibility: hidden; transition: opacity .22s, visibility .22s;
}
.modal-mask.open { opacity: 1; visibility: visible; }
.modal {
  background: #fff; border-radius: var(--radius-lg); width: 100%; max-width: 420px;
  box-shadow: var(--shadow-lg); transform: translateY(12px) scale(.98); transition: transform .24s;
  max-height: 92vh; overflow-y: auto;
}
.modal-mask.open .modal { transform: none; }
.modal-head { padding: var(--sp-lg) var(--sp-lg) 0; display: flex; justify-content: space-between; align-items: flex-start; }
.modal-head h2 { font-size: 20px; margin-bottom: 6px; }
.modal-head p { font-size: 13px; color: var(--c-text-sub); }
.modal-close {
  background: none; border: 0; font-size: 22px; line-height: 1; color: var(--c-text-mute);
  cursor: pointer; padding: 0 4px; transition: color .2s;
}
.modal-close:hover { color: var(--c-text); }
.modal-body { padding: var(--sp-lg); }

.tabs { display: flex; gap: var(--sp-xs); background: var(--c-bg-alt); padding: 4px; border-radius: var(--radius-sm); margin-bottom: var(--sp-lg); }
.tab {
  flex: 1; padding: 8px 10px; text-align: center; font-size: 14px; font-weight: 500;
  color: var(--c-text-sub); background: none; border: 0; border-radius: 3px; cursor: pointer; transition: all .2s;
}
.tab.active { background: #fff; color: var(--c-primary); box-shadow: var(--shadow-sm); font-weight: 600; }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.code-row { display: flex; gap: var(--sp-sm); }
.code-row .form-input { flex: 1; }

.modal-foot { text-align: center; font-size: 13px; color: var(--c-text-mute); margin-top: var(--sp-md); }
.modal-foot a { color: var(--c-primary); }

/* 用户区 */
.user-menu { position: relative; }
.user-chip {
  display: flex; align-items: center; gap: 8px; padding: 6px 12px 6px 6px;
  border: 1px solid var(--c-line); border-radius: 999px; background: #fff;
  cursor: pointer; font-size: 14px; color: var(--c-text); transition: all .2s;
}
.user-chip:hover { border-color: #cfd9e6; box-shadow: var(--shadow-sm); }
.user-avatar {
  width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-light));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 600;
}
.user-dropdown {
  position: absolute; right: 0; top: calc(100% + 10px); min-width: 230px;
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg); padding: var(--sp-sm); z-index: 120;
  opacity: 0; visibility: hidden; transform: translateY(-6px); transition: all .2s;
}
.user-dropdown.open { opacity: 1; visibility: visible; transform: none; }
.dropdown-head { padding: 10px 12px; border-bottom: 1px solid var(--c-line-soft); margin-bottom: var(--sp-xs); }
.dropdown-head .name { font-size: 14px; font-weight: 600; color: var(--c-text); }
.dropdown-head .mail { font-size: 12px; color: var(--c-text-mute); word-break: break-all; margin-top: 2px; }
.dropdown-item {
  display: block; width: 100%; text-align: left; padding: 9px 12px; border: 0; background: none;
  border-radius: var(--radius-sm); font-size: 14px; color: var(--c-text-sub); cursor: pointer; transition: all .18s;
}
.dropdown-item:hover { background: var(--c-primary-soft); color: var(--c-primary); }

/* 会员中心数据卡 */
.metric-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-md); margin-bottom: var(--sp-lg); }
.metric {
  background: var(--c-bg-alt); border: 1px solid var(--c-line);
  border-radius: var(--radius-md); padding: var(--sp-md); text-align: center;
}
.metric strong { display: block; font-size: 24px; font-weight: 700; color: var(--c-primary); line-height: 1.2; }
.metric span { font-size: 13px; color: var(--c-text-sub); }

/* 空状态 */
.empty { text-align: center; padding: var(--sp-2xl) var(--sp-md); color: var(--c-text-mute); }
.empty svg { width: 44px; height: 44px; margin: 0 auto var(--sp-md); opacity: .4; }
.empty p { font-size: 14px; }

/* 加载中 */
.skeleton { background: linear-gradient(90deg, #f2f5f9 25%, #e8edf4 50%, #f2f5f9 75%); background-size: 200% 100%; animation: sk 1.4s infinite; border-radius: var(--radius-sm); }
@keyframes sk { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--sp-xl); }
  .hero h1 { font-size: 34px; }
  .grid-4, .adv-list { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--sp-lg); }
  .section { padding: var(--sp-2xl) 0; }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; --sp-3xl: 64px; --sp-2xl: 44px; }
  .container, .container-narrow { padding: 0 var(--sp-md); }
  .nav { display: none; }
  .nav.mobile-open {
    display: flex; flex-direction: column; align-items: stretch;
    position: absolute; top: var(--header-h); left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--c-line);
    padding: var(--sp-md); gap: var(--sp-xs); box-shadow: var(--shadow-md);
  }
  .nav.mobile-open .nav-link { padding: 12px 16px; }
  .hero h1 { font-size: 27px; }
  .hero-desc { font-size: 15px; }
  .hero-actions .btn { flex: 1; }
  .grid-2, .grid-3, .grid-4, .adv-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .metric-grid { grid-template-columns: 1fr; }
  .section-head h2 { font-size: 23px; }
  .page-head h1 { font-size: 25px; }
  .brand-sub { display: none; }
  .header-actions .btn-login-text { display: none; }
  .menu-toggle { display: flex !important; }
}

.menu-toggle {
  display: none; width: 38px; height: 38px; align-items: center; justify-content: center;
  background: none; border: 0; cursor: pointer; color: var(--c-text);
}
.menu-toggle svg { width: 22px; height: 22px; }

@media (max-width: 480px) {
  .hero h1 { font-size: 24px; }
  .modal { max-width: 100%; }
}