.elementor-461 .elementor-element.elementor-element-fdb4927 > .elementor-container > .elementor-column > .elementor-widget-wrap{align-content:center;align-items:center;}.elementor-461 .elementor-element.elementor-element-fdb4927 > .elementor-background-overlay{background-color:var( --e-global-color-astglobalcolor0 );opacity:0.3;}.elementor-461 .elementor-element.elementor-element-fdb4927{padding:150px 0px 150px 0px;}.elementor-461 .elementor-element.elementor-element-fc80f37 > .elementor-element-populated{padding:0px 70px 0px 150px;}.elementor-461 .elementor-element.elementor-element-b8dd157 .elementor-heading-title{font-size:18px;font-weight:600;}.elementor-461 .elementor-element.elementor-element-de4ba53 .elementor-heading-title{color:var( --e-global-color-astglobalcolor2 );}.elementor-461 .elementor-element.elementor-element-3d2c6cb > .elementor-widget-container{margin:0px 0px 0px 0px;}.elementor-461 .elementor-element.elementor-element-3d2c6cb{color:var( --e-global-color-astglobalcolor3 );}.elementor-461 .elementor-element.elementor-element-964b34e > .elementor-widget-container{margin:0px 0px 0px 0px;}.elementor-461 .elementor-element.elementor-element-964b34e .elementor-button{font-weight:600;}.elementor-461 .elementor-element.elementor-element-c219172{width:initial;max-width:initial;top:396px;}body:not(.rtl) .elementor-461 .elementor-element.elementor-element-c219172{left:440px;}body.rtl .elementor-461 .elementor-element.elementor-element-c219172{right:440px;}.elementor-461 .elementor-element.elementor-element-c219172 .elementor-icon-wrapper{text-align:center;}.elementor-461 .elementor-element.elementor-element-c219172 .elementor-icon{font-size:170px;}.elementor-461 .elementor-element.elementor-element-c219172 .elementor-icon svg{height:170px;}.elementor-461 .elementor-element.elementor-element-c219172 .elementor-icon i, .elementor-461 .elementor-element.elementor-element-c219172 .elementor-icon svg{transform:rotate(16deg);}.elementor-461 .elementor-element.elementor-element-b1f7bfd{--e-image-carousel-slides-to-show:3;}.elementor-461 .elementor-element.elementor-element-b1f7bfd > .elementor-widget-container{margin:0px -100px 0px 0px;}.elementor-461 .elementor-element.elementor-element-b1f7bfd .swiper-wrapper{display:flex;align-items:center;}.elementor-461 .elementor-element.elementor-element-b1f7bfd .elementor-image-carousel-wrapper .elementor-image-carousel .swiper-slide-image{border-radius:7px 7px 7px 7px;}.elementor-461 .elementor-element.elementor-element-e928e9c > .elementor-background-overlay{background-color:var( --e-global-color-astglobalcolor0 );opacity:0.3;}.elementor-461 .elementor-element.elementor-element-e928e9c{margin-top:0px;margin-bottom:0px;padding:70px 0px 70px 0px;}.elementor-461 .elementor-element.elementor-element-171a5fc > .elementor-widget-wrap > .elementor-widget:not(.elementor-widget__width-auto):not(.elementor-widget__width-initial):not(:last-child):not(.elementor-absolute){margin-block-end:0px;}.elementor-461 .elementor-element.elementor-element-171a5fc > .elementor-element-populated, .elementor-461 .elementor-element.elementor-element-171a5fc > .elementor-element-populated > .elementor-background-overlay, .elementor-461 .elementor-element.elementor-element-171a5fc > .elementor-background-slideshow{border-radius:3px 3px 3px 3px;}.elementor-461 .elementor-element.elementor-element-171a5fc > .elementor-element-populated{margin:0% 0% 0% 0%;--e-column-margin-right:0%;--e-column-margin-left:0%;padding:0px 0px 0px 0px;}.elementor-461 .elementor-element.elementor-element-899956e > .elementor-widget-container{margin:0px 0px 0px 0px;padding:0px 0px 0px 0px;}.elementor-461 .elementor-element.elementor-element-899956e .elementor-icon-box-wrapper{text-align:start;gap:11px;}.elementor-461 .elementor-element.elementor-element-899956e .elementor-icon-box-title{margin-block-end:10px;}.elementor-461 .elementor-element.elementor-element-899956e.elementor-view-stacked .elementor-icon{background-color:var( --e-global-color-astglobalcolor2 );}.elementor-461 .elementor-element.elementor-element-899956e.elementor-view-framed .elementor-icon, .elementor-461 .elementor-element.elementor-element-899956e.elementor-view-default .elementor-icon{fill:var( --e-global-color-astglobalcolor2 );color:var( --e-global-color-astglobalcolor2 );border-color:var( --e-global-color-astglobalcolor2 );}.elementor-461 .elementor-element.elementor-element-899956e .elementor-icon{font-size:45px;}.elementor-461 .elementor-element.elementor-element-81ebb83 > .elementor-widget-wrap > .elementor-widget:not(.elementor-widget__width-auto):not(.elementor-widget__width-initial):not(:last-child):not(.elementor-absolute){margin-block-end:0px;}.elementor-461 .elementor-element.elementor-element-81ebb83 > .elementor-element-populated, .elementor-461 .elementor-element.elementor-element-81ebb83 > .elementor-element-populated > .elementor-background-overlay, .elementor-461 .elementor-element.elementor-element-81ebb83 > .elementor-background-slideshow{border-radius:3px 3px 3px 3px;}.elementor-461 .elementor-element.elementor-element-81ebb83 > .elementor-element-populated{margin:0% 0% 0% 0%;--e-column-margin-right:0%;--e-column-margin-left:0%;padding:0px 0px 0px 0px;}.elementor-461 .elementor-element.elementor-element-3c6d8e6 > .elementor-widget-container{margin:0px 0px 0px 0px;padding:0px 0px 0px 30px;}.elementor-461 .elementor-element.elementor-element-3c6d8e6 .elementor-icon-box-wrapper{text-align:start;gap:11px;}.elementor-461 .elementor-element.elementor-element-3c6d8e6 .elementor-icon-box-title{margin-block-end:10px;}.elementor-461 .elementor-element.elementor-element-3c6d8e6.elementor-view-stacked .elementor-icon{background-color:var( --e-global-color-astglobalcolor2 );}.elementor-461 .elementor-element.elementor-element-3c6d8e6.elementor-view-framed .elementor-icon, .elementor-461 .elementor-element.elementor-element-3c6d8e6.elementor-view-default .elementor-icon{fill:var( --e-global-color-astglobalcolor2 );color:var( --e-global-color-astglobalcolor2 );border-color:var( --e-global-color-astglobalcolor2 );}.elementor-461 .elementor-element.elementor-element-3c6d8e6 .elementor-icon{font-size:45px;}.elementor-461 .elementor-element.elementor-element-23c8253 > .elementor-widget-wrap > .elementor-widget:not(.elementor-widget__width-auto):not(.elementor-widget__width-initial):not(:last-child):not(.elementor-absolute){margin-block-end:0px;}.elementor-461 .elementor-element.elementor-element-23c8253 > .elementor-element-populated, .elementor-461 .elementor-element.elementor-element-23c8253 > .elementor-element-populated > .elementor-background-overlay, .elementor-461 .elementor-element.elementor-element-23c8253 > .elementor-background-slideshow{border-radius:3px 3px 3px 3px;}.elementor-461 .elementor-element.elementor-element-23c8253 > .elementor-element-populated{margin:0% 0% 0% 0%;--e-column-margin-right:0%;--e-column-margin-left:0%;padding:0px 0px 0px 0px;}.elementor-461 .elementor-element.elementor-element-581b6a8 > .elementor-widget-container{margin:0px 0px 0px 0px;padding:0px 0px 0px 30px;}.elementor-461 .elementor-element.elementor-element-581b6a8 .elementor-icon-box-wrapper{text-align:start;gap:11px;}.elementor-461 .elementor-element.elementor-element-581b6a8 .elementor-icon-box-title{margin-block-end:10px;}.elementor-461 .elementor-element.elementor-element-581b6a8.elementor-view-stacked .elementor-icon{background-color:var( --e-global-color-astglobalcolor2 );}.elementor-461 .elementor-element.elementor-element-581b6a8.elementor-view-framed .elementor-icon, .elementor-461 .elementor-element.elementor-element-581b6a8.elementor-view-default .elementor-icon{fill:var( --e-global-color-astglobalcolor2 );color:var( --e-global-color-astglobalcolor2 );border-color:var( --e-global-color-astglobalcolor2 );}.elementor-461 .elementor-element.elementor-element-581b6a8 .elementor-icon{font-size:45px;}.elementor-461 .elementor-element.elementor-element-581b6a8 .elementor-icon-box-title, .elementor-461 .elementor-element.elementor-element-581b6a8 .elementor-icon-box-title a{font-weight:600;}.elementor-461 .elementor-element.elementor-element-ad050fa > .elementor-widget-wrap > .elementor-widget:not(.elementor-widget__width-auto):not(.elementor-widget__width-initial):not(:last-child):not(.elementor-absolute){margin-block-end:0px;}.elementor-461 .elementor-element.elementor-element-ad050fa > .elementor-element-populated, .elementor-461 .elementor-element.elementor-element-ad050fa > .elementor-element-populated > .elementor-background-overlay, .elementor-461 .elementor-element.elementor-element-ad050fa > .elementor-background-slideshow{border-radius:3px 3px 3px 3px;}.elementor-461 .elementor-element.elementor-element-ad050fa > .elementor-element-populated{margin:0% 0% 0% 0%;--e-column-margin-right:0%;--e-column-margin-left:0%;padding:0px 0px 0px 0px;}.elementor-461 .elementor-element.elementor-element-ef712c3 > .elementor-widget-container{margin:0px 0px 0px 0px;padding:0px 0px 0px 30px;}.elementor-461 .elementor-element.elementor-element-ef712c3 .elementor-icon-box-wrapper{text-align:start;gap:11px;}.elementor-461 .elementor-element.elementor-element-ef712c3 .elementor-icon-box-title{margin-block-end:10px;}.elementor-461 .elementor-element.elementor-element-ef712c3.elementor-view-stacked .elementor-icon{background-color:var( --e-global-color-astglobalcolor2 );}.elementor-461 .elementor-element.elementor-element-ef712c3.elementor-view-framed .elementor-icon, .elementor-461 .elementor-element.elementor-element-ef712c3.elementor-view-default .elementor-icon{fill:var( --e-global-color-astglobalcolor2 );color:var( --e-global-color-astglobalcolor2 );border-color:var( --e-global-color-astglobalcolor2 );}.elementor-461 .elementor-element.elementor-element-ef712c3 .elementor-icon{font-size:45px;}.elementor-461 .elementor-element.elementor-element-ef712c3 .elementor-icon-box-title, .elementor-461 .elementor-element.elementor-element-ef712c3 .elementor-icon-box-title a{font-weight:600;}:root{--page-title-display:none;}@media(max-width:1024px){.elementor-461 .elementor-element.elementor-element-fdb4927{padding:100px 50px 80px 50px;}.elementor-bc-flex-widget .elementor-461 .elementor-element.elementor-element-fc80f37.elementor-column .elementor-widget-wrap{align-items:flex-start;}.elementor-461 .elementor-element.elementor-element-fc80f37.elementor-column.elementor-element[data-element_type="column"] > .elementor-widget-wrap.elementor-element-populated{align-content:flex-start;align-items:flex-start;}.elementor-461 .elementor-element.elementor-element-fc80f37 > .elementor-element-populated{padding:0px 0px 0px 0px;}.elementor-461 .elementor-element.elementor-element-3d2c6cb > .elementor-widget-container{margin:0px 0px 0px 0px;}.elementor-461 .elementor-element.elementor-element-964b34e > .elementor-widget-container{margin:0px 0px 0px 0px;}.elementor-461 .elementor-element.elementor-element-cba4fac > .elementor-element-populated{padding:20px 0px 0px 0px;}.elementor-461 .elementor-element.elementor-element-b1f7bfd{--e-image-carousel-slides-to-show:2;}.elementor-461 .elementor-element.elementor-element-e928e9c{padding:80px 40px 80px 40px;}.elementor-461 .elementor-element.elementor-element-171a5fc > .elementor-element-populated{margin:0% 4% 4% 5%;--e-column-margin-right:4%;--e-column-margin-left:5%;padding:20px 10px 20px 10px;}.elementor-461 .elementor-element.elementor-element-899956e > .elementor-widget-container{padding:0px 0px 0px 0px;}.elementor-461 .elementor-element.elementor-element-899956e .elementor-icon-box-title{margin-block-end:0px;}.elementor-461 .elementor-element.elementor-element-899956e .elementor-icon{font-size:30px;}.elementor-461 .elementor-element.elementor-element-81ebb83 > .elementor-element-populated{margin:0% 4% 4% 5%;--e-column-margin-right:4%;--e-column-margin-left:5%;padding:20px 10px 20px 10px;}.elementor-461 .elementor-element.elementor-element-3c6d8e6 > .elementor-widget-container{padding:0px 0px 0px 0px;}.elementor-461 .elementor-element.elementor-element-3c6d8e6 .elementor-icon-box-title{margin-block-end:0px;}.elementor-461 .elementor-element.elementor-element-3c6d8e6 .elementor-icon{font-size:30px;}.elementor-461 .elementor-element.elementor-element-23c8253 > .elementor-element-populated{margin:0% 4% 4% 5%;--e-column-margin-right:4%;--e-column-margin-left:5%;padding:20px 10px 20px 10px;}.elementor-461 .elementor-element.elementor-element-581b6a8 > .elementor-widget-container{padding:0px 0px 0px 0px;}.elementor-461 .elementor-element.elementor-element-581b6a8 .elementor-icon-box-title{margin-block-end:0px;}.elementor-461 .elementor-element.elementor-element-581b6a8 .elementor-icon{font-size:30px;}.elementor-461 .elementor-element.elementor-element-ad050fa > .elementor-element-populated{margin:0% 4% 4% 5%;--e-column-margin-right:4%;--e-column-margin-left:5%;padding:20px 10px 20px 10px;}.elementor-461 .elementor-element.elementor-element-ef712c3 > .elementor-widget-container{padding:0px 0px 0px 0px;}.elementor-461 .elementor-element.elementor-element-ef712c3 .elementor-icon-box-title{margin-block-end:0px;}.elementor-461 .elementor-element.elementor-element-ef712c3 .elementor-icon{font-size:30px;}}@media(max-width:767px){.elementor-461 .elementor-element.elementor-element-fdb4927{padding:60px 30px 60px 30px;}.elementor-461 .elementor-element.elementor-element-cba4fac > .elementor-element-populated{margin:50px 0px 0px 0px;--e-column-margin-right:0px;--e-column-margin-left:0px;padding:0px 0px 0px 0px;}.elementor-461 .elementor-element.elementor-element-b1f7bfd{--e-image-carousel-slides-to-show:2;}.elementor-461 .elementor-element.elementor-element-e928e9c{padding:60px 30px 60px 30px;}.elementor-461 .elementor-element.elementor-element-171a5fc{width:100%;}.elementor-461 .elementor-element.elementor-element-171a5fc > .elementor-element-populated{margin:0px 0px 20px 0px;--e-column-margin-right:0px;--e-column-margin-left:0px;padding:0px 0px 0px 0px;}.elementor-461 .elementor-element.elementor-element-899956e > .elementor-widget-container{margin:0px 0px 0px 0px;padding:0px 0px 0px 0px;}.elementor-461 .elementor-element.elementor-element-899956e .elementor-icon-box-wrapper{text-align:center;gap:0px;}.elementor-461 .elementor-element.elementor-element-899956e .elementor-icon{font-size:24px;}.elementor-461 .elementor-element.elementor-element-81ebb83{width:100%;}.elementor-461 .elementor-element.elementor-element-81ebb83 > .elementor-element-populated{margin:0px 0px 20px 0px;--e-column-margin-right:0px;--e-column-margin-left:0px;padding:0px 0px 0px 0px;}.elementor-461 .elementor-element.elementor-element-3c6d8e6 > .elementor-widget-container{margin:0px 0px 0px 0px;padding:0px 0px 0px 0px;}.elementor-461 .elementor-element.elementor-element-3c6d8e6 .elementor-icon-box-wrapper{text-align:center;gap:0px;}.elementor-461 .elementor-element.elementor-element-3c6d8e6 .elementor-icon{font-size:24px;}.elementor-461 .elementor-element.elementor-element-23c8253{width:100%;}.elementor-461 .elementor-element.elementor-element-23c8253 > .elementor-element-populated{margin:0px 0px 20px 0px;--e-column-margin-right:0px;--e-column-margin-left:0px;padding:0px 0px 0px 0px;}.elementor-461 .elementor-element.elementor-element-581b6a8 > .elementor-widget-container{margin:0px 0px 0px 0px;padding:0px 0px 0px 0px;}.elementor-461 .elementor-element.elementor-element-581b6a8 .elementor-icon-box-wrapper{text-align:center;gap:0px;}.elementor-461 .elementor-element.elementor-element-581b6a8 .elementor-icon{font-size:24px;}.elementor-461 .elementor-element.elementor-element-ad050fa{width:100%;}.elementor-461 .elementor-element.elementor-element-ad050fa > .elementor-element-populated{margin:0px 0px 20px 0px;--e-column-margin-right:0px;--e-column-margin-left:0px;padding:0px 0px 0px 0px;}.elementor-461 .elementor-element.elementor-element-ef712c3 > .elementor-widget-container{margin:0px 0px 0px 0px;padding:0px 0px 0px 0px;}.elementor-461 .elementor-element.elementor-element-ef712c3 .elementor-icon-box-wrapper{text-align:center;gap:0px;}.elementor-461 .elementor-element.elementor-element-ef712c3 .elementor-icon{font-size:24px;}}@media(min-width:768px){.elementor-461 .elementor-element.elementor-element-fc80f37{width:40%;}.elementor-461 .elementor-element.elementor-element-cba4fac{width:60%;}}@media(max-width:1024px) and (min-width:768px){.elementor-461 .elementor-element.elementor-element-fc80f37{width:100%;}.elementor-461 .elementor-element.elementor-element-cba4fac{width:100%;}.elementor-461 .elementor-element.elementor-element-171a5fc{width:50%;}.elementor-461 .elementor-element.elementor-element-81ebb83{width:50%;}.elementor-461 .elementor-element.elementor-element-23c8253{width:50%;}.elementor-461 .elementor-element.elementor-element-ad050fa{width:50%;}}/* Start custom CSS for wp-widget-custom_html, class: .elementor-element-4feed1e *//* CSS Reset (简化版) */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.6;
  color: #1f2933;
  background-color: #f7fafc;
}

/* 基础布局 */

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* 头部 */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: #ffffff;
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
}

.logo a {
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  color: #111827;
}

.logo span {
  color: #2563eb;
}

.main-nav {
  display: flex;
  gap: 1rem;
  font-size: 0.9rem;
}

.main-nav a {
  text-decoration: none;
  color: #4b5563;
  padding: 0.35rem 0.5rem;
  border-radius: 999px;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.main-nav a:hover {
  background-color: #e5edff;
  color: #1d4ed8;
}

/* Hero */

.hero {
  padding: 3rem 0 2.5rem;
  background: radial-gradient(circle at top left, #e0edff, #f7fafc 50%);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.3fr);
  gap: 2rem;
  align-items: start;
}

.hero-text h1 {
  font-size: clamp(1.8rem, 2.6vw, 2.4rem);
  margin-bottom: 1rem;
  color: #111827;
}

.hero-text p {
  max-width: 38rem;
  margin-bottom: 0.75rem;
}

.hero-meta {
  font-size: 0.9rem;
  color: #4b5563;
  margin-bottom: 1.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-side {
  display: flex;
  justify-content: flex-end;
}

.hero-card {
  background-color: #ffffff;
  border-radius: 1rem;
  padding: 1.25rem 1.5rem;
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.08);
  border: 1px solid rgba(148, 163, 184, 0.35);
}

.hero-card h2 {
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.hero-card ul {
  list-style: none;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.hero-card li + li {
  margin-top: 0.25rem;
}

.hero-hint {
  font-size: 0.85rem;
  color: #4b5563;
}

/* 按钮 */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.15s ease, color 0.15s ease,
    border-color 0.15s ease, transform 0.05s ease;
}

.btn-primary {
  background-color: #2563eb;
  color: #ffffff;
  border-color: #2563eb;
}

.btn-primary:hover {
  background-color: #1d4ed8;
  border-color: #1d4ed8;
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: #eff6ff;
  color: #1d4ed8;
  border-color: #bfdbfe;
}

.btn-secondary:hover {
  background-color: #dbeafe;
  border-color: #93c5fd;
  transform: translateY(-1px);
}

.btn-ghost {
  background-color: transparent;
  color: #374151;
  border-color: #d1d5db;
}

.btn-ghost:hover {
  background-color: #f3f4f6;
}

/* 通用 Section */

.section {
  padding: 2.5rem 0;
  background-color: #f7fafc;
}

.section-alt {
  padding: 2.5rem 0;
  background-color: #ffffff;
}

.section-header {
  margin-bottom: 1.5rem;
}

.section-header h2 {
  font-size: 1.4rem;
  margin-bottom: 0.25rem;
  color: #111827;
}

.section-header p {
  font-size: 0.95rem;
  color: #4b5563;
}

/* 搜索区域 */

.search-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.search-form input[type="search"] {
  flex: 1 1 220px;
  padding: 0.6rem 0.8rem;
  border-radius: 999px;
  border: 1px solid #d1d5db;
  font-size: 0.95rem;
  outline: none;
}

.search-form input[type="search"]:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.2);
}

/* Cards */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.card {
  background-color: #ffffff;
  border-radius: 0.9rem;
  padding: 1.1rem 1.2rem;
  border: 1px solid rgba(148, 163, 184, 0.4);
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.04);
}

.card h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.card-list {
  list-style: disc;
  padding-left: 1.1rem;
  font-size: 0.9rem;
  color: #4b5563;
  margin-bottom: 0.75rem;
}

.card-list li + li {
  margin-top: 0.25rem;
}

.card-link {
  font-size: 0.85rem;
  text-decoration: none;
  color: #2563eb;
}

.card-link:hover {
  text-decoration: underline;
}

/* Topics & Details */

.topics-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.topic h3 {
  font-size: 1rem;
  margin-bottom: 0.6rem;
}

.topic details {
  border-radius: 0.75rem;
  border: 1px solid #e5e7eb;
  background-color: #f9fafb;
  margin-bottom: 0.5rem;
  overflow: hidden;
}

.topic summary {
  cursor: pointer;
  padding: 0.5rem 0.7rem;
  font-size: 0.9rem;
  font-weight: 500;
  list-style: none;
}

.topic summary::-webkit-details-marker {
  display: none;
}

.topic summary::after {
  content: "▾";
  float: right;
  font-size: 0.75rem;
  color: #6b7280;
  transform: translateY(2px);
}

.topic details[open] summary::after {
  content: "▴";
}

.details-body {
  padding: 0.35rem 0.75rem 0.7rem;
  font-size: 0.9rem;
  color: #4b5563;
}

.details-body p + p {
  margin-top: 0.45rem;
}

/* Forms */

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.25rem;
  background-color: #ffffff;
  padding: 1.3rem 1.4rem;
  border-radius: 1rem;
  border: 1px solid rgba(148, 163, 184, 0.45);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.form-group-full {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: #374151;
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 0.5rem 0.65rem;
  border-radius: 0.6rem;
  border: 1px solid #d1d5db;
  font-size: 0.9rem;
  outline: none;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.16);
}

.form-actions {
  grid-column: 1 / -1;
  display: flex;
  justify-content: flex-end;
  margin-top: 0.25rem;
}

/* Contact layout */

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.6fr);
  gap: 1.75rem;
}

.contact-list {
  list-style: none;
  margin: 0.75rem 0;
  font-size: 0.9rem;
}

.contact-list li + li {
  margin-top: 0.25rem;
}

.contact-note {
  font-size: 0.85rem;
  color: #4b5563;
  margin-top: 0.6rem;
}

.contact-form-wrapper {
  background-color: #ffffff;
  border-radius: 1rem;
  border: 1px solid rgba(148, 163, 184, 0.45);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
  padding: 1.2rem 1.3rem;
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.25rem;
}

/* Service Scope */

.section-scope {
  background-color: #0f172a;
  color: #e5e7eb;
  padding: 2.8rem 0;
}

.section-scope h2 {
  color: #f9fafb;
}

.scope-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  margin-top: 1.3rem;
  margin-bottom: 0.75rem;
}

.scope-grid h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: #e5e7eb;
}

.scope-grid ul {
  list-style: disc;
  padding-left: 1.2rem;
  font-size: 0.9rem;
}

.scope-grid li + li {
  margin-top: 0.25rem;
}

.scope-note {
  font-size: 0.85rem;
  color: #cbd5f5;
}

/* Footer */

.site-footer {
  padding: 1.5rem 0;
  background-color: #020617;
  color: #9ca3af;
  font-size: 0.8rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-links a {
  color: #9ca3af;
  text-decoration: none;
}

.footer-links a:hover {
  text-decoration: underline;
}

/* 响应式 */

@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .hero-side {
    justify-content: flex-start;
  }

  .cards-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .topics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .main-nav {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .topics-grid {
    grid-template-columns: 1fr;
  }

  .form-grid,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 2.25rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: 0.35rem;
    align-items: flex-start;
  }
}/* End custom CSS */