:root {
  --bg-page: #f7f5f0;
  --bg-content: #ffffff;
  --bg-footer: #efede8;
  --bg-form: #fafaf8;
  --text-primary: #1a1a1a;
  --text-secondary: #5c5c5c;
  --accent: #8b2942;
  --accent-hover: #732035;
  --border: #e0ddd6;
  --error: #9b2335;
  --success: #2d5016;
  --font-serif: "Noto Serif SC", "Source Han Serif CN", "SimSun", serif;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  --width-read: 720px;
  --width-wide: 1080px;
  --space-section: 48px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.75;
  color: var(--text-primary);
  background: var(--bg-page);
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-hover);
}

h1,
h2,
h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.35;
  margin: 0 0 0.75em;
}

h1 {
  font-size: 32px;
}

h2 {
  font-size: 22px;
}

p {
  margin: 0 0 1em;
}

.container {
  width: 100%;
  max-width: var(--width-wide);
  margin: 0 auto;
  padding: 0 40px;
}

.container-narrow {
  max-width: var(--width-read);
}

.site-header {
  background: var(--bg-content);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
}

.portal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: var(--width-wide);
  margin: 0 auto;
}

.portal-card {
  display: block;
  padding: 32px 28px;
  background: var(--bg-content);
  border: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.portal-card:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  color: inherit;
}

.portal-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 8px;
}

.portal-card h2 {
  font-size: 22px;
  margin-bottom: 12px;
}

.portal-card p {
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.portal-enter {
  font-size: 15px;
  color: var(--accent);
  font-weight: 500;
}

.portal-intro {
  text-align: center;
}

.site-logo {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
}

.site-logo:hover {
  color: var(--accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  padding: 8px 12px;
  font-size: 15px;
  cursor: pointer;
  font-family: inherit;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
}

.nav-sep {
  width: 1px;
  height: 14px;
  background: var(--border);
  padding: 0;
  margin: 0 2px;
}

.lane-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: none;
  color: var(--accent);
  margin: 0 0 12px;
}

.lane-divider {
  border: none;
  border-top: 2px solid var(--border);
  margin: 0;
}

.business-lane {
  padding: 8px 0 var(--space-section);
}

.intro-line {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 0.5em;
}

.site-nav a {
  color: var(--text-primary);
  font-size: 15px;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

main {
  padding: 64px 0 var(--space-section);
}

.section {
  margin-bottom: var(--space-section);
}

.section-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: var(--space-section) 0;
}

.lead {
  font-size: 18px;
  color: var(--text-secondary);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 28px;
}

.btn {
  display: inline-block;
  padding: 14px 28px;
  font-size: 16px;
  font-family: inherit;
  font-weight: 500;
  text-align: center;
  border-radius: 2px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
}

.btn-secondary {
  background: var(--bg-content);
  color: var(--accent);
  border: 1px solid var(--accent);
}

.btn-secondary:hover {
  background: var(--bg-page);
  color: var(--accent-hover);
}

.btn:disabled {
  background: #ccc;
  border-color: #ccc;
  color: #666;
  cursor: not-allowed;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.col-block h2 {
  margin-top: 0;
}

.preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.preview-block h2 {
  font-size: 20px;
}

.article-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.article-list li {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

.article-list li:first-child {
  padding-top: 0;
}

.article-list .meta {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.article-list .title {
  font-size: 18px;
  font-family: var(--font-serif);
  margin: 0 0 6px;
}

.article-list .summary {
  font-size: 15px;
  color: var(--text-secondary);
  margin: 0;
}

.article-list a.title-link {
  color: var(--text-primary);
}

.article-list a.title-link:hover {
  color: var(--accent);
}

.form-panel {
  background: var(--bg-form);
  border: 1px solid var(--border);
  padding: 32px;
  margin-top: 40px;
  scroll-margin-top: 24px;
}

.cta-band {
  background: var(--bg-content);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  padding: 24px 28px;
  margin: 32px 0;
}

.cta-band-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 8px;
}

.cta-band p {
  margin: 0 0 16px;
  color: var(--text-secondary);
  font-size: 16px;
}

.cta-band-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.header-tel {
  margin-left: auto;
  font-size: 14px;
  color: var(--text-secondary);
  white-space: nowrap;
  padding-left: 16px;
}

.header-tel:hover {
  color: var(--accent);
}

.sticky-contact {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--bg-content);
  border-top: 1px solid var(--border);
  padding: 10px 16px;
  box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.06);
}

.sticky-contact-inner {
  max-width: var(--width-wide);
  margin: 0 auto;
  display: flex;
  gap: 10px;
  align-items: center;
}

.sticky-contact .btn {
  flex: 1;
  padding: 12px 16px;
  font-size: 15px;
}

.sticky-contact-tel {
  flex: 0 0 auto;
  font-size: 14px;
  color: var(--accent);
  font-weight: 500;
  white-space: nowrap;
}

body.has-sticky-contact {
  padding-bottom: 64px;
}

.stock-table-wrap {
  overflow-x: auto;
  margin: 16px 0;
  border: 1px solid var(--border);
  background: var(--bg-content);
  -webkit-overflow-scrolling: touch;
}

.stock-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  table-layout: fixed;
}

.stock-table th,
.stock-table td {
  padding: 8px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  line-height: 1.4;
}

.stock-table th {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-form);
  white-space: nowrap;
}

.stock-table tr:last-child td {
  border-bottom: none;
}

/* 列宽按百分比铺满整表 */
.stock-table .col-name {
  width: 11%;
  white-space: nowrap;
}

.stock-table .col-code {
  width: 9%;
  white-space: nowrap;
}

.stock-table .col-status {
  width: 15%;
  font-size: 13px;
  line-height: 1.35;
}

.stock-table .col-range {
  width: 28%;
  font-size: 13px;
  white-space: nowrap;
}

.stock-table .col-sell-date {
  width: 22%;
  font-size: 13px;
  white-space: nowrap;
}

.stock-table .col-action {
  width: 10%;
  text-align: center;
  white-space: nowrap;
}

.stock-table .code {
  font-weight: 600;
  white-space: nowrap;
}

.stock-table .actions a,
.stock-table .stock-claim-link {
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}

.stock-table-note {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 8px 0 0;
}

.stock-table-more {
  margin: 0 0 24px;
  font-size: 15px;
}

.form-panel.is-revealed {
  scroll-margin-top: 80px;
}

@media (max-width: 720px) {
  .stock-table {
    min-width: 640px;
  }
}

.stock-detail {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.form-grid {
  display: grid;
  gap: 20px;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-field label {
  display: block;
  font-size: 15px;
  margin-bottom: 6px;
}

.form-field .required {
  color: var(--error);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  height: 44px;
  padding: 0 12px;
  font-size: 16px;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: 2px;
  background: var(--bg-content);
}

.form-field textarea {
  height: auto;
  min-height: 100px;
  padding: 12px;
  resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.field-error {
  font-size: 13px;
  color: var(--error);
  margin-top: 4px;
  min-height: 18px;
}

.form-error-banner {
  background: #fdf2f4;
  border: 1px solid #f0c4cc;
  color: var(--error);
  padding: 12px 16px;
  margin-bottom: 20px;
  font-size: 15px;
}

.form-success {
  padding: 24px 0;
}

.form-success h2 {
  color: var(--success);
  font-size: 22px;
}

.form-note {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 16px;
}

.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

.case-snippets {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.case-snippets h2 {
  font-size: 20px;
}

.snippet-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.snippet-item .source {
  font-size: 13px;
  color: var(--text-secondary);
}

.content-section {
  margin: 40px 0;
  padding-top: 8px;
}

.content-section h2 {
  font-size: 20px;
}

.plain-list {
  margin: 0 0 1em 1.2em;
  padding: 0;
}

.plain-list li {
  margin-bottom: 0.5em;
}

.plain-list.ordered {
  list-style: decimal;
}

.faq-list {
  margin: 0;
}

.faq-list dt {
  font-family: var(--font-serif);
  font-weight: 600;
  margin-top: 1.25em;
  margin-bottom: 0.35em;
}

.faq-list dt:first-child {
  margin-top: 0;
}

.faq-list dd {
  margin: 0 0 0.5em;
  color: var(--text-secondary);
}

.article-body h2 {
  font-size: 20px;
  margin-top: 1.5em;
}

.article-body .source-line {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.site-footer {
  background: var(--bg-footer);
  padding: 32px 0;
  font-size: 14px;
  color: var(--text-secondary);
}

.site-footer p {
  margin: 0 0 8px;
}

.site-footer a {
  color: var(--text-secondary);
}

.site-footer a:hover {
  color: var(--accent);
}

@media (max-width: 960px) {
  .two-col,
  .preview-grid,
  .form-row-2,
  .portal-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 20px;
  }

  h1 {
    font-size: 26px;
  }

  h2 {
    font-size: 20px;
  }

  body {
    font-size: 16px;
    line-height: 1.7;
  }

  main {
    padding-top: 40px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: var(--bg-content);
    border-bottom: 1px solid var(--border);
    padding: 16px 20px;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }

  .nav-sep {
    display: none;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .form-panel {
    padding: 24px 20px;
  }

  .header-tel {
    display: none;
  }

  .sticky-contact {
    display: block;
  }

  .cta-band-actions {
    flex-direction: column;
  }

  .cta-band-actions .btn {
    width: 100%;
  }
}