/* ===== CalcMoneyTool 全站样式 ===== */
:root {
  --blue: #2f6bff;
  --blue-dark: #1d4fd7;
  --blue-soft: #eef3ff;
  --navy: #16233f;
  --text: #1c2433;
  --text-2: #5b6472;
  --text-3: #8a93a3;
  --line: #e6eaf2;
  --bg: #f5f7fb;
  --card: #ffffff;
  --green: #22b573;
  --amber-bg: #fffbeb;
  --amber-text: #b45309;
  --amber-line: #fde9c0;
  --radius: 16px;
  --shadow: 0 6px 24px rgba(22, 35, 63, .06);
  --shadow-hover: 0 10px 30px rgba(47, 107, 255, .12);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  font-size: 15px;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; }

.container { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; gap: 24px;
}
.logo { display: flex; align-items: baseline; gap: 10px; white-space: nowrap; }
.logo .logo-en { font-size: 17px; font-weight: 700; color: var(--blue); letter-spacing: .2px; }
.logo .logo-cn { font-size: 15px; font-weight: 700; }

/* 语言切换：导航末位下拉（复用 nav-item / dropdown 样式） */
.lang-switch .nav-link { white-space: nowrap; }
.lang-switch .dropdown { min-width: 150px; left: auto; right: 0; }
.lang-switch .dropdown a.active { background: var(--blue-soft); color: var(--blue); font-weight: 600; }
.lang-switch .dropdown a small { display: none; }

.main-nav { display: flex; gap: 8px; }
.nav-item { position: relative; }
.nav-link {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 16px; font-size: 15px; font-weight: 500;
  border-radius: 8px; cursor: pointer; user-select: none;
}
.nav-link .caret { font-size: 10px; color: var(--text-3); transition: transform .2s; }
.nav-item:hover .nav-link, .nav-item.open .nav-link { color: var(--blue); background: var(--blue-soft); }
.nav-item:hover .caret, .nav-item.open .caret { transform: rotate(180deg); }

.dropdown {
  position: absolute; top: calc(100% + 6px); left: 0;
  min-width: 220px; background: #fff;
  border: 1px solid var(--line); border-radius: 12px;
  box-shadow: var(--shadow); padding: 8px;
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: all .18s ease;
}
.nav-item:hover .dropdown, .nav-item.open .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown a {
  display: block; padding: 9px 14px; border-radius: 8px;
  font-size: 14px; color: var(--text);
}
.dropdown a:hover { background: var(--blue-soft); color: var(--blue); }
.dropdown a small { display: block; color: var(--text-3); font-size: 12px; }

/* 移动端菜单按钮 */
.menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.menu-toggle span { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; border-radius: 2px; transition: .2s; }

/* ===== 首页 Hero ===== */
.hero { background: linear-gradient(180deg, #fff 0%, var(--bg) 100%); padding: 56px 0 40px; text-align: center; }
.hero h1 { font-size: 34px; font-weight: 800; letter-spacing: .5px; }
.hero h1 em { font-style: normal; color: var(--blue); }
.hero p { margin-top: 12px; color: var(--text-2); font-size: 16px; }
.hero-tags { margin-top: 20px; display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
.hero-tags span {
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 16px; font-size: 13px; color: var(--text-2);
}

/* ===== 首页工具分区 ===== */
.tool-section { padding: 28px 0 8px; }
.section-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 18px; }
.section-head h2 { font-size: 22px; font-weight: 700; }
.section-head .sub { color: var(--text-3); font-size: 13px; }
.section-head h2::before {
  content: ""; display: inline-block; width: 4px; height: 18px;
  background: var(--blue); border-radius: 2px; margin-right: 10px;
  vertical-align: -2px;
}

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

.tool-card {
  display: flex; align-items: center; gap: 14px;
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px;
  transition: all .2s ease; position: relative;
}
.tool-card:hover { border-color: var(--blue); box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.tool-icon {
  flex: none; width: 44px; height: 44px; border-radius: 12px;
  background: var(--blue-soft); color: var(--blue);
  display: flex; align-items: center; justify-content: center;
}
.tool-icon svg { width: 22px; height: 22px; }
.tool-card .t-info { flex: 1; min-width: 0; }
.tool-card .t-title { font-size: 16px; font-weight: 600; }
.tool-card .t-desc { font-size: 13px; color: var(--text-3); margin-top: 2px; }
.tool-card .t-arrow { flex: none; color: var(--blue); opacity: 0; transition: .2s; font-size: 18px; }
.tool-card:hover .t-arrow { opacity: 1; transform: translateX(3px); }

/* ===== 通用页脚 ===== */
.site-footer { margin-top: 56px; background: #F5F5F5; color: #16233f; padding: 40px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
.footer-grid h4 { color: #16233f; font-size: 15px; margin-bottom: 12px; }
.footer-grid a { display: block; font-size: 13px; padding: 4px 0; color: #24344f; }
.footer-grid a:hover { color: var(--blue); }
.footer-brand .logo-en { color: #16233f; font-weight: 700; font-size: 16px; }
.footer-brand p { font-size: 13px; color: #24344f; margin-top: 10px; max-width: 300px; }
.footer-bottom {
  margin-top: 32px; padding-top: 18px; border-top: 1px solid rgba(22,35,63,.18);
  font-size: 12px; color: #24344f; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
}

/* ===== 贷款计算页 ===== */
.page-hero {
  background: #fff; border-bottom: 1px solid var(--line); padding: 44px 0 36px;
}
.page-hero-inner { display: flex; justify-content: space-between; align-items: flex-start; gap: 32px; flex-wrap: wrap; }
.eyebrow { color: var(--blue); font-size: 14px; font-weight: 700; margin-bottom: 8px; }
.page-hero h1 { font-size: 32px; font-weight: 800; }
.page-hero .lede { color: var(--text-2); margin-top: 10px; font-size: 15px; max-width: 520px; }
.scope-badge {
  flex: none; max-width: 340px;
  background: var(--blue-soft); border-radius: 14px; padding: 18px 20px;
  display: flex; gap: 12px; align-items: flex-start;
}
.scope-badge .f-icon {
  flex: none; width: 36px; height: 36px; border-radius: 10px; background: #fff;
  color: var(--blue); display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 700; font-style: italic;
  box-shadow: 0 2px 8px rgba(47,107,255,.15);
}
.scope-badge h5 { font-size: 14px; font-weight: 700; }
.scope-badge p { font-size: 12px; color: var(--text-2); margin-top: 4px; line-height: 1.55; }

.calc-layout { display: grid; grid-template-columns: 380px 1fr; gap: 20px; margin-top: 28px; align-items: start; }

.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.panel-pad { padding: 24px; }
.panel h3 { font-size: 17px; font-weight: 700; margin-bottom: 20px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 16px; }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.input-wrap { position: relative; display: flex; }
.input-wrap input {
  width: 100%; height: 44px; border: 1px solid var(--line); border-radius: 10px;
  padding: 0 52px 0 14px; font-size: 15px; color: var(--text); outline: none;
  transition: border-color .15s, box-shadow .15s; background: #fff;
}
.input-wrap input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(47,107,255,.12); }
.input-wrap .unit {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  font-size: 13px; color: var(--text-3); pointer-events: none; white-space: nowrap;
}
select.input-plain {
  width: 100%; height: 44px; border: 1px solid var(--line); border-radius: 10px;
  padding: 0 12px; font-size: 14px; color: var(--text); background: #fff; outline: none; cursor: pointer;
}
select.input-plain:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(47,107,255,.12); }

.adv-toggle {
  display: inline-flex; align-items: center; gap: 6px;
  background: none; border: none; color: var(--blue); font-size: 13px;
  font-weight: 600; cursor: pointer; padding: 4px 0; margin-bottom: 4px;
}
.adv-toggle .plus { font-size: 15px; transition: transform .2s; }
.adv-toggle.open .plus { transform: rotate(45deg); }
.adv-fields { display: none; margin: 6px 0 14px; padding: 14px; background: #f8faff; border: 1px dashed #cdd9f5; border-radius: 10px; }
.adv-fields.show { display: block; }
.adv-fields .field { margin-bottom: 10px; }
.adv-fields .hint { font-size: 12px; color: var(--text-3); margin-top: -2px; }

.btn-calc {
  width: 100%; height: 48px; border: none; border-radius: 10px;
  background: var(--blue); color: #fff; font-size: 16px; font-weight: 700;
  cursor: pointer; transition: background .15s, transform .1s; margin-top: 6px;
}
.btn-calc:hover { background: var(--blue-dark); }
.btn-calc:active { transform: scale(.99); }

/* 结果区 */
.result-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; gap: 12px; flex-wrap: wrap; }
.result-head h3 { margin-bottom: 0; }
.result-actions { display: flex; gap: 8px; }
.btn-ghost {
  height: 34px; padding: 0 14px; border-radius: 8px; border: 1px solid var(--line);
  background: #fff; font-size: 13px; color: var(--text-2); cursor: pointer; transition: .15s;
}
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }

.result-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.result-card { border-radius: 12px; padding: 18px 20px; background: #f8f9fc; border: 1px solid var(--line); }
.result-card .r-label { font-size: 13px; color: var(--text-2); }
.result-card .r-value { font-size: 26px; font-weight: 800; margin-top: 4px; letter-spacing: .3px; }
.result-card .r-sub { font-size: 12px; color: var(--text-3); margin-top: 4px; }
.result-card.primary { background: var(--blue-soft); border-color: #d8e3ff; }
.result-card.primary .r-value { color: var(--blue); }
.result-card.amber { background: var(--amber-bg); border-color: var(--amber-line); }
.result-card.amber .r-value { color: var(--amber-text); }

.bars-panel { margin-top: 16px; }
.bar-row { display: flex; align-items: center; gap: 14px; padding: 8px 0; }
.bar-row .b-label { flex: none; width: 44px; font-size: 13px; color: var(--text-2); }
.bar-row .b-track { flex: 1; height: 14px; border-radius: 7px; background: #eef1f7; overflow: hidden; }
.bar-row .b-fill { height: 100%; border-radius: 7px; width: 0; transition: width .5s ease; }
.bar-row .b-val { flex: none; width: 110px; text-align: right; font-size: 13px; color: var(--text); font-variant-numeric: tabular-nums; }
.fill-principal { background: var(--blue); }
.fill-interest { background: var(--green); }
.fill-fee { background: #f5a623; }

.note-banner {
  margin-top: 16px; background: var(--blue-soft); border-left: 3px solid var(--blue);
  border-radius: 8px; padding: 12px 16px; font-size: 13px; color: var(--text-2);
}

/* 还款计划表 */
.schedule-panel { margin-top: 20px; overflow: hidden; }
.table-scroll { max-height: 420px; overflow: auto; }
table.schedule { width: 100%; border-collapse: collapse; font-size: 14px; }
table.schedule thead th {
  position: sticky; top: 0; z-index: 2;
  background: var(--navy); color: #fff; font-weight: 600;
  padding: 13px 18px; text-align: left; font-size: 14px; white-space: nowrap;
}
table.schedule tbody td { padding: 12px 18px; border-bottom: 1px solid #eef1f7; font-variant-numeric: tabular-nums; white-space: nowrap; }
table.schedule tbody tr:nth-child(even) { background: #fafbfe; }
table.schedule tbody tr:hover { background: var(--blue-soft); }
.table-empty { padding: 40px; text-align: center; color: var(--text-3); font-size: 14px; }

/* 结果说明 */
.explain { padding: 48px 0 8px; }
.explain .eyebrow { margin-bottom: 6px; }
.explain h2 { font-size: 26px; font-weight: 800; margin-bottom: 22px; }
.explain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.explain-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; display: flex; gap: 14px; box-shadow: var(--shadow);
}
.explain-card .num {
  flex: none; width: 30px; height: 30px; border-radius: 50%;
  background: var(--blue-soft); color: var(--blue);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700;
}
.explain-card h4 { font-size: 15px; font-weight: 700; }
.explain-card p { font-size: 13px; color: var(--text-2); margin-top: 6px; }

/* ===== 全站绿色点缀（中英文通用） ===== */
.logo-cn { color: #34b277; }

/* 绿色信任徽章（参考 Loancalcy 样式） */
.trust-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: #e5f3ed; color: #34b277; border-radius: 999px;
  padding: 8px 18px; font-size: 14px; font-weight: 600; margin-bottom: 18px;
}
.trust-badge svg { width: 15px; height: 15px; flex: none; }

/* Hero 标签加绿色对勾 */
.hero-tags span::before { content: "✓ "; color: #34b277; font-weight: 700; }

/* 绿色工具图标与分区标记 */
.tool-icon.green { background: #e5f3ed; color: #34b277; }
.section-head.green h2::before { background: #34b277; }

/* 贷款页绿色元素 */
.eyebrow.green { color: #34b277; }
.result-card.green { background: #e5f3ed; border-color: #cdeadd; }
.result-card.green .r-value { color: #1e9e63; }

/* ===== 响应式 ===== */
@media (max-width: 960px) {
  .card-grid, .card-grid.cols-4, .explain-grid { grid-template-columns: repeat(2, 1fr); }
  .calc-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .main-nav {
    position: absolute; top: 64px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    flex-direction: column; padding: 10px 16px 16px; gap: 2px;
    display: none; box-shadow: var(--shadow);
  }
  .main-nav.open { display: flex; }
  .nav-link { justify-content: space-between; }
  .dropdown {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: none; display: none; padding: 0 0 6px 12px;
  }
  .nav-item.open .dropdown { display: block; }
  .menu-toggle { display: block; }
}
@media (max-width: 560px) {
  .card-grid, .card-grid.cols-4, .explain-grid, .result-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 26px; }
  .page-hero h1 { font-size: 24px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .scope-badge { max-width: 100%; }
}