/**
 * Halocent 全站样式 / Site-wide styles
 * ------------------------------------------------------------------
 * 风格：科技极简深蓝科技风
 * 主色：深空炭黑 #0a0f1e、深海蓝 #0f3d6e、点缀浅青蓝 #2fd1ff
 * -----------------------------------------------------------------
 */

/* ============ 1. 变量与重置 / Variables & Reset ============ */
:root {
  /* 背景 —— 从纯白到淡雾青，模拟晨雾 */
  --bg-0:        #ffffff;
  --bg-1:        #fbfcfe;
  --bg-2:        #f4f7fb;
  --surface:     #ffffff;
  --surface-2:   #f8fafd;

  --border:      rgba(11, 30, 59, 0.08);
  --border-2:    rgba(74, 124, 255, 0.28);

  /* 深空靛 —— 品牌深色 */
  --deep-blue:   #0b1e3b;
  --deep-blue-2: #14305c;

  /* 柔和蓝 —— 数据流线条与强调色 */
  --accent:      #4a7cff;
  --accent-2:    #6f97ff;

  /* 晨光橙 —— 关键点缀，模拟黎明晨光 */
  --dawn:        #ffb27a;
  --dawn-2:      #ffd2a8;

  --text-1:      #0b1e3b;
  --text-2:      #4b5b78;
  --text-3:      #7a8aa5;
  --text-inv:    #ffffff;

  --danger:      #e5484d;
  --success:     #17b26a;

  --radius-sm:   6px;
  --radius:      12px;
  --radius-lg:   18px;

  --shadow-1:    0 4px 16px rgba(11, 30, 59, 0.06);
  --shadow-glow: 0 8px 40px rgba(74, 124, 255, 0.12);

  --nav-h:       72px;
  --container:   1200px;

  --font-cn: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  --font-en: "Inter", "Helvetica Neue", Arial, sans-serif;
  --font: var(--font-en), var(--font-cn);

  --ease: cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text-1);
  background:
    radial-gradient(1000px 400px at 88% -80px, rgba(255,178,122,.10), transparent 60%),
    radial-gradient(900px 400px at -80px 260px, rgba(74,124,255,.06), transparent 55%),
    var(--bg-1);
  background-attachment: fixed;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--accent-2); }
h1,h2,h3,h4,h5 { color: var(--text-1); font-weight: 700; letter-spacing: .01em; line-height: 1.25; margin: 0 0 .6em; }
p { color: var(--text-2); margin: 0 0 1em; }
ul { padding-left: 1.25em; margin: 0 0 1em; }
li { color: var(--text-2); margin-bottom: .35em; }
button { font-family: inherit; }

/* 无障碍 - 跳到主内容 */
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--accent); color: var(--text-inv);
  padding: 8px 14px; z-index: 2000; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ============ 2. 布局 / Layout ============ */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 80px 0;
  position: relative;
}
.section-alt { background: var(--bg-2); }
.section-title {
  font-size: 2.1rem;
  margin-bottom: .35em;
  text-align: center;
}
.section-subtitle {
  color: var(--text-3);
  text-align: center;
  margin: 0 auto 3rem;
  max-width: 720px;
}

/* 网格 */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 960px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
  .section-title { font-size: 1.65rem; }
}

/* ============ 3. 顶部导航 / Header ============ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: background .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.92);
  border-bottom-color: var(--border);
  box-shadow: 0 4px 20px rgba(11, 30, 59, .04);
}
.header-inner {
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 1.15rem; color: var(--text-1);
  letter-spacing: .04em;
}
.brand-icon {
  width: 28px; height: 28px;
  color: var(--accent);
  filter: drop-shadow(0 0 6px rgba(74, 124, 255, .32));
}
.nav-list {
  display: flex; align-items: center; gap: 6px;
  list-style: none; margin: 0; padding: 0;
}
.nav-list a {
  display: inline-block;
  padding: 8px 14px; border-radius: 8px;
  color: var(--text-2); font-size: .95rem; font-weight: 500;
  transition: color .2s var(--ease), background .2s var(--ease);
}
.nav-list a:hover, .nav-list a.is-current {
  color: var(--text-1); background: rgba(74, 124, 255, .10);
}
.header-actions { display: flex; align-items: center; gap: 8px; }
.lang-switch {
  min-width: 40px; height: 36px; padding: 0 12px;
  border: 1px solid var(--border);
  background: transparent; color: var(--text-1);
  border-radius: 8px; cursor: pointer;
  font-weight: 600; font-size: .85rem;
  transition: all .2s var(--ease);
}
.lang-switch:hover { border-color: var(--border-2); color: var(--accent-2); box-shadow: 0 0 0 3px rgba(74, 124, 255, .10); }

/* 汉堡按钮 */
.hamburger {
  display: none;
  width: 40px; height: 40px;
  border: 1px solid var(--border);
  background: transparent;
  border-radius: 8px;
  padding: 0;
  cursor: pointer;
  position: relative;
}
.hamburger span {
  position: absolute; left: 10px; right: 10px; height: 2px;
  background: var(--text-1); border-radius: 2px;
  transition: transform .25s var(--ease), opacity .25s var(--ease), top .25s var(--ease);
}
.hamburger span:nth-child(1) { top: 13px; }
.hamburger span:nth-child(2) { top: 19px; }
.hamburger span:nth-child(3) { top: 25px; }
.hamburger.is-active span:nth-child(1) { top: 19px; transform: rotate(45deg); }
.hamburger.is-active span:nth-child(2) { opacity: 0; }
.hamburger.is-active span:nth-child(3) { top: 19px; transform: rotate(-45deg); }

@media (max-width: 960px) {
  .hamburger { display: inline-block; }
  .nav-list {
    position: fixed; inset: var(--nav-h) 0 0 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: #ffffff;
    padding: 24px;
    transform: translateX(100%); transition: transform .3s var(--ease);
    overflow-y: auto;
    border-top: 1px solid var(--border);
  }
  .nav-list.is-open { transform: translateX(0); }
  .nav-list a { padding: 14px 12px; font-size: 1.05rem; border-bottom: 1px solid var(--border); border-radius: 0; }
}

/* ============ 4. 按钮 / Buttons ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600; font-size: .95rem;
  cursor: pointer; transition: all .2s var(--ease);
  text-decoration: none;
  line-height: 1;
  white-space: nowrap;
}
.btn-primary {
  background: var(--deep-blue);
  color: var(--text-inv);
  box-shadow: 0 6px 20px rgba(11, 30, 59, .18);
}
.btn-primary:hover { transform: translateY(-1px); background: var(--deep-blue-2); box-shadow: 0 10px 28px rgba(11, 30, 59, .28); color: var(--text-inv); }
.btn-secondary {
  background: transparent;
  border-color: var(--border-2);
  color: var(--text-1);
}
.btn-secondary:hover { background: rgba(74, 124, 255, .10); color: var(--accent-2); border-color: var(--accent); }
.btn-ghost {
  background: transparent; color: var(--text-2);
}
.btn-ghost:hover { color: var(--text-1); }

/* ============ 5. Hero 区块 ============ */
.hero {
  position: relative;
  padding: 132px 0 100px;
  overflow: hidden;
  background: var(--bg-1);
  border-bottom: 1px solid var(--border);
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(1200px 520px at 85% 15%, rgba(255,178,122,.34), transparent 62%),
    radial-gradient(900px 500px at 8% 12%, rgba(74,124,255,.22), transparent 55%),
    radial-gradient(1400px 720px at 50% 118%, rgba(224,232,244,.85), transparent 62%);
  pointer-events: none;
}
.hero-inner { position: relative; text-align: center; max-width: 820px; margin: 0 auto; }
.hero h1 {
  font-size: clamp(2rem, 3.6vw, 3.4rem);
  line-height: 1.15;
  margin-bottom: .5em;
  color: var(--deep-blue);
  letter-spacing: -.01em;
}
.hero p.hero-subtitle {
  font-size: 1.1rem; color: var(--text-2);
  max-width: 640px; margin: 0 auto 2rem;
}
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* Hero 变体：面向内页（更矮） */
.hero.hero-sub { padding: 96px 0 64px; }
.hero.hero-sub h1 { font-size: clamp(1.7rem, 2.6vw, 2.4rem); }

/* ============ 6. 卡片 / Cards ============ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
  position: relative;
  overflow: hidden;
}
.card:hover {
  transform: translateY(-3px);
  border-color: var(--border-2);
  box-shadow: var(--shadow-glow);
}
.card h3 { font-size: 1.15rem; margin-bottom: .4em; }
.card p { color: var(--text-2); margin: 0; }
.card .icon {
  width: 44px; height: 44px;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(74, 124, 255, .10);
  border: 1px solid var(--border-2);
  border-radius: 10px;
  color: var(--accent);
  margin-bottom: 16px;
}
.card .icon svg { width: 22px; height: 22px; }
.card .tag {
  display: inline-block;
  font-size: .75rem; padding: 3px 10px; border-radius: 999px;
  background: rgba(74, 124, 255, .12); color: var(--accent-2);
  border: 1px solid var(--border-2);
  margin-bottom: 12px;
  letter-spacing: .05em;
}

/* 突出卡片（对比方案两栏） */
.card-plan {
  padding: 32px 28px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-2) 100%);
}
.card-plan .plan-tag {
  position: absolute; top: 18px; right: 18px;
  padding: 4px 10px; font-size: .72rem;
  border-radius: 999px;
  background: rgba(74, 124, 255, .16); color: var(--accent-2);
  border: 1px solid var(--border-2);
}
.card-plan h3 { font-size: 1.3rem; }
.card-plan ul { margin-top: 12px; padding-left: 20px; }
.card-plan li { color: var(--text-2); }

/* ============ 7. 服务详情两栏 ============ */
.svc-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 32px;
}
.svc-block .svc-head { margin-bottom: 24px; }
.svc-block h2 { font-size: 1.5rem; margin-bottom: .3em; }
.svc-block .svc-body { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.svc-block .svc-col h4 { font-size: 1rem; color: var(--accent-2); margin-bottom: 10px; }
.svc-block .svc-col ul { padding-left: 18px; }
.svc-block .svc-col li { margin-bottom: 6px; }
@media (max-width: 780px) {
  .svc-block .svc-body { grid-template-columns: 1fr; }
  .svc-block { padding: 24px 20px; }
}

/* ============ 8. 对比表 / Comparison table ============ */
.plans-compare {
  width: 100%; border-collapse: separate; border-spacing: 0;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
}
.plans-compare th, .plans-compare td {
  padding: 16px 18px; text-align: left; vertical-align: top;
  border-bottom: 1px solid var(--border);
  color: var(--text-2); font-size: .95rem;
}
.plans-compare th {
  background: rgba(74, 124, 255, .08);
  color: var(--text-1); font-weight: 600;
  font-size: .95rem;
}
.plans-compare tr:last-child td { border-bottom: none; }
.plans-compare tr td:first-child, .plans-compare tr th:first-child { color: var(--text-3); width: 22%; }
@media (max-width: 640px) {
  .plans-compare th, .plans-compare td { padding: 12px 10px; font-size: .88rem; }
}

/* ============ 9. 关于/统计数字 ============ */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 16px; }
.stat-item {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px; text-align: center;
}
.stat-num {
  font-size: 2rem; font-weight: 800;
  color: var(--accent-2);
  letter-spacing: .02em;
  display: block; margin-bottom: 6px;
}
.stat-label { color: var(--text-3); font-size: .9rem; }
@media (max-width: 640px) { .stats { grid-template-columns: repeat(2, 1fr); } }

/* 时间线 */
.timeline { position: relative; padding-left: 28px; margin-top: 24px; }
.timeline::before {
  content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px;
  width: 2px; background: linear-gradient(180deg, var(--accent) 0%, transparent 100%);
}
.timeline-item { position: relative; margin-bottom: 20px; }
.timeline-item::before {
  content: ""; position: absolute; left: -25px; top: 6px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 0 3px rgba(74, 124, 255, .22);
}
.timeline-item .yr {
  font-weight: 700; color: var(--accent-2); margin-right: 10px;
}

/* ============ 10. FAQ ============ */
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px; overflow: hidden;
  transition: border-color .2s var(--ease);
}
.faq-item.is-open { border-color: var(--border-2); }
.faq-head {
  padding: 18px 20px; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between;
  color: var(--text-1); font-weight: 600;
}
.faq-head::after {
  content: "+"; font-size: 1.4rem; color: var(--accent); transition: transform .25s var(--ease);
}
.faq-item.is-open .faq-head::after { content: "−"; }
.faq-body {
  max-height: 0; overflow: hidden;
  transition: max-height .3s var(--ease), padding .3s var(--ease);
  padding: 0 20px;
}
.faq-item.is-open .faq-body {
  max-height: 500px; padding: 0 20px 18px;
}
.faq-body p { color: var(--text-2); margin: 0; }

/* ============ 11. 联系 / Contact ============ */
.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 32px; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px;
}
.contact-card h3 { font-size: 1.2rem; }
.contact-info dt { color: var(--text-3); font-size: .85rem; margin-top: 14px; }
.contact-info dd { margin: 4px 0 0; color: var(--text-1); font-weight: 500; }

/* 表单占位 */
.form-mock label { display: block; color: var(--text-3); font-size: .85rem; margin: 14px 0 6px; }
.form-mock select, .form-mock input, .form-mock textarea {
  width: 100%; padding: 12px 14px;
  background: var(--bg-2); color: var(--text-1);
  border: 1px solid var(--border); border-radius: 8px;
  font-family: inherit; font-size: .95rem;
}
.form-mock select:focus, .form-mock input:focus, .form-mock textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(74, 124, 255, .18);
}

/* ============ 12. 咨询弹窗 / Modal ============ */
.modal {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(3,6,12,.72);
  backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: opacity .25s var(--ease), visibility .25s var(--ease);
  padding: 20px;
}
.modal.is-open { opacity: 1; visibility: visible; }
.modal-content {
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  max-width: 460px; width: 100%;
  padding: 28px;
  transform: translateY(20px);
  transition: transform .3s var(--ease);
  box-shadow: var(--shadow-glow);
}
.modal.is-open .modal-content { transform: translateY(0); }
.modal-content h3 { font-size: 1.25rem; }
.modal-close {
  position: absolute; top: 12px; right: 12px;
  background: transparent; border: none; color: var(--text-3);
  font-size: 1.4rem; cursor: pointer; padding: 6px;
}
.modal-close:hover { color: var(--text-1); }
.modal-actions { display: flex; gap: 10px; margin-top: 16px; }

/* ============ 13. 页脚 / Footer ============ */
.site-footer {
  background: #0b1e3b;
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 72px 0 28px;
  color: rgba(255,255,255,.65);
  font-size: .9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-col h4 {
  color: #ffffff; font-size: 1rem; margin-bottom: 14px;
  letter-spacing: .04em;
}
.footer-col ul { padding: 0; list-style: none; margin: 0; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: rgba(255,255,255,.65); font-size: .9rem; transition: color .2s var(--ease); }
.footer-col a:hover { color: var(--dawn); }
.footer-col p { color: rgba(255,255,255,.65); font-size: .9rem; margin: 0 0 6px; }
.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.06);
  display: flex; justify-content: space-between; gap: 12px;
  color: rgba(255,255,255,.5); font-size: .85rem;
  flex-wrap: wrap;
}

/* ============ 14. 客户案例卡片 ============ */
.case-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: all .25s var(--ease);
  display: flex; flex-direction: column;
}
.case-card:hover { transform: translateY(-3px); border-color: var(--border-2); box-shadow: var(--shadow-glow); }
.case-cover {
  height: 156px;
  background:
    linear-gradient(135deg, rgba(255,178,122,.30), rgba(74,124,255,.20)),
    linear-gradient(135deg, #14305c 0%, #0b1e3b 100%);
  position: relative;
  display: flex; align-items: center; justify-content: center;
}
.case-cover svg { width: 44px; height: 44px; color: var(--accent-2); opacity: .8; }
.case-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.case-body h3 { font-size: 1.05rem; margin-bottom: .35em; }
.case-meta { color: var(--text-3); font-size: .8rem; margin-bottom: 10px; letter-spacing: .04em; }

/* 过滤 tabs */
.filter-tabs {
  display: flex; flex-wrap: wrap; gap: 8px;
  justify-content: center; margin-bottom: 32px;
}
.filter-tabs button {
  padding: 8px 16px; border-radius: 999px;
  background: transparent; color: var(--text-2);
  border: 1px solid var(--border);
  cursor: pointer; transition: all .2s var(--ease);
  font-size: .88rem;
}
.filter-tabs button:hover { color: var(--text-1); border-color: var(--border-2); }
.filter-tabs button.is-active {
  background: rgba(74, 124, 255, .14); color: var(--accent-2);
  border-color: var(--accent);
}

/* ============ 15. 资讯列表 ============ */
.post-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px;
  transition: all .25s var(--ease);
}
.post-card:hover { border-color: var(--border-2); box-shadow: var(--shadow-glow); }
.post-meta { display: flex; gap: 10px; align-items: center; color: var(--text-3); font-size: .8rem; margin-bottom: 8px; }
.post-cat {
  padding: 2px 10px; border-radius: 999px;
  background: rgba(74, 124, 255, .12); color: var(--accent-2);
  font-size: .72rem; border: 1px solid var(--border-2);
}
.post-card h3 { font-size: 1.05rem; margin-bottom: .35em; }
.post-card .read-more { display: inline-block; margin-top: 8px; font-size: .88rem; color: var(--accent); }

/* ============ 16. 政策与文本页 ============ */
.text-page { max-width: 820px; margin: 0 auto; }
.text-page h2 { font-size: 1.25rem; margin-top: 2em; color: var(--text-1); }
.text-page p { color: var(--text-2); }
.text-page .updated { color: var(--text-3); font-size: .85rem; margin-bottom: 24px; }

/* ============ 17. 404 页面 ============ */
.notfound-wrap {
  min-height: 70vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center;
  padding: 80px 24px;
}
.notfound-code {
  font-size: clamp(6rem, 16vw, 10rem); font-weight: 800;
  background: linear-gradient(135deg, var(--deep-blue) 0%, var(--dawn) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  line-height: 1; margin-bottom: 16px;
}
.notfound-wrap h1 { font-size: 1.5rem; margin-bottom: .5em; }
.notfound-wrap p { color: var(--text-3); max-width: 480px; margin-bottom: 24px; }

/* ============ 18. 动画：滚动淡入 ============ */
[data-fade] {
  opacity: 0; transform: translateY(20px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}
[data-fade].is-visible { opacity: 1; transform: translateY(0); }
[data-fade][data-fade-delay="1"].is-visible { transition-delay: .08s; }
[data-fade][data-fade-delay="2"].is-visible { transition-delay: .16s; }
[data-fade][data-fade-delay="3"].is-visible { transition-delay: .24s; }
[data-fade][data-fade-delay="4"].is-visible { transition-delay: .32s; }

/* ============ 19. 工具类 ============ */
.center-text { text-align: center; }
.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }
.cta-band {
  background: linear-gradient(135deg, #0b1e3b 0%, #14305c 55%, #1f4a8a 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 88px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(600px 300px at 85% 20%, rgba(255,178,122,.35), transparent 65%),
    radial-gradient(500px 260px at 12% 80%, rgba(74,124,255,.28), transparent 65%);
  pointer-events: none;
}
.cta-band h2 { font-size: 2rem; margin-bottom: .35em; position: relative; color: #ffffff; }
.cta-band p { color: rgba(255,255,255,.78); margin: 0 auto 1.8em; max-width: 640px; position: relative; }
.cta-band .cta-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; position: relative; }


/* ============ 补丁追加：晨光按钮 & 装饰 ============ */
.btn-dawn {
  background: linear-gradient(135deg, var(--dawn) 0%, #ff9668 100%);
  color: var(--deep-blue);
  box-shadow: 0 6px 22px rgba(255, 178, 122, .38);
}
.btn-dawn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 30px rgba(255, 178, 122, .48);
  color: var(--deep-blue);
}
/* 品牌图标不再需要发光滤镜，浅色底会显得脏 */
.brand-icon { filter: none; }
/* 卡片描述文字色更柔和 */
.svc-block .svc-col h4 { color: var(--deep-blue-2); }
/* 时间线圆点：改用蓝紫，避免与晨光冲突 */
.timeline::before { background: linear-gradient(180deg, var(--accent) 0%, transparent 100%); }
.timeline-item::before {
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(74, 124, 255, .18);
}
.timeline-item .yr { color: var(--deep-blue-2); }

/* ============ improvement.md 补丁 ============ */
/* 1. CTA-band 深底上的 "联系我们" 按钮 —— 使用白色描边 + 白色文字，与 "立即咨询" 视觉对齐 */
.cta-band .btn-secondary {
  border-color: rgba(255, 255, 255, .55);
  color: #ffffff;
  background: transparent;
}
.cta-band .btn-secondary:hover {
  border-color: #ffffff;
  background: rgba(255, 255, 255, .08);
  color: #ffffff;
}

/* 2. 文章详情页（news article） */
.article-page { max-width: 800px; margin: 0 auto; padding: 0 4px; }
.article-page .article-meta { color: var(--text-3); font-size: .9rem; margin-bottom: 24px; display: flex; gap: 16px; flex-wrap: wrap; }
.article-page .article-meta .post-cat { padding: 3px 10px; border-radius: 999px; background: rgba(255,178,122,.18); color: #b6633a; border: 1px solid rgba(255,178,122,.32); font-size: .74rem; font-weight: 600; }
.article-page h1 { font-size: clamp(1.6rem, 2.4vw, 2.2rem); line-height: 1.25; letter-spacing: -.01em; margin-bottom: .5em; }
.article-page h2 { font-size: 1.35rem; margin: 2em 0 .6em; color: var(--deep-blue); }
.article-page h3 { font-size: 1.1rem; margin: 1.5em 0 .5em; color: var(--deep-blue-2); }
.article-page p, .article-page li { color: var(--text-2); line-height: 1.85; }
.article-page ul { padding-left: 1.4em; }
.article-page blockquote { border-left: 3px solid var(--dawn); padding: 8px 18px; margin: 20px 0; background: rgba(255,178,122,.06); color: var(--text-1); border-radius: 0 8px 8px 0; }
.article-page .article-back { display: inline-block; margin-top: 40px; color: var(--accent); }
.article-page .article-back:hover { color: var(--deep-blue); }

/* ICP 备案链接 */
.footer-icp { color: rgba(255,255,255,.5); text-decoration: none; transition: color .2s var(--ease); }
.footer-icp:hover { color: var(--dawn); }