@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
  --font-serif: 'Outfit', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', '微软雅黑', 'Segoe UI', Roboto, sans-serif;
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', '微软雅黑', 'Segoe UI', Roboto, sans-serif;
  --transition-smooth: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  --bg-color: #000000;
  --text-primary: #ffffff;
  /* 统一大板块上下间距标准韵律 */
  --section-spacing: 100px;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

p {
  font-size: 14px;
  line-height: 1.7;
  letter-spacing: 0.02em;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-smooth);
}

.italic {
  font-style: italic;
}

/* 玻璃质感 Component Layer */
.liquid-glass {
  background: rgba(255, 255, 255, 0.01);
  background-blend-mode: luminosity;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: none;
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.08);
  position: relative;
  overflow: hidden;
}

.liquid-glass::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1.4px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.4) 0%, rgba(255, 255, 255, 0.1) 20%, rgba(255, 255, 255, 0) 40%, rgba(255, 255, 255, 0) 60%, rgba(255, 255, 255, 0.1) 80%, rgba(255, 255, 255, 0.4) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* 降低图片外框的玻璃质感 (变淡50%) */
.glass-outer-frame {
  background: rgba(255, 255, 255, 0.005);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.04);
}

.glass-outer-frame::before {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.05) 20%, rgba(255, 255, 255, 0) 40%, rgba(255, 255, 255, 0) 60%, rgba(255, 255, 255, 0.05) 80%, rgba(255, 255, 255, 0.2) 100%);
}

/* 导航栏 */
.navbar-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  padding: 24px;
  z-index: 1000;
}

/* 桌面端默认隐藏移动端专属抽屉与按钮 */
.mobile-drawer,
.mobile-menu-btn {
  display: none;
}

.navbar {
  max-width: 1200px;
  margin: 0 auto;
  border-radius: 9999px;
  padding: 12px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-left,
.nav-right {
  display: inline-block;
  vertical-align: middle;
}

.nav-logo-link {
  display: inline-block;
  vertical-align: middle;
  margin-right: 32px;
}

.nav-brand-logo {
  height: 58px;
  width: auto;
  display: block;
}

.nav-links {
  display: inline-block;
  vertical-align: middle;
}

.nav-links a {
  display: inline-block;
  margin-right: 28px;
  font-size: 13.5px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
}

.nav-links a:hover,
.nav-links a.active {
  color: #ffffff;
}

.lang-switch {
  display: inline-block;
  vertical-align: middle;
  background: transparent;
  border: none;
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.6);
  cursor: pointer;
  font-weight: 500;
  margin-right: 24px;
}

.lang-switch:hover {
  color: #ffffff;
}

.btn-link {
  display: inline-block;
  vertical-align: middle;
  font-size: 13.5px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  margin-right: 24px;
}

.btn-link:hover {
  color: #ffffff;
}

.btn-login {
  display: inline-block;
  vertical-align: middle;
  border-radius: 9999px;
  padding: 8px 24px;
  font-size: 13.5px;
  font-weight: 500;
  color: #ffffff;
}

.btn-login:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

/* HERO Section: 使用视口响应式顶部边距，替代原有的暴力负位移，保障各缩放比下内容不穿顶 */
.hero-section {
  min-height: 100vh;
  position: relative;
  padding: clamp(116px, 14vh, 150px) 24px 60px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}

.hero-bg-video-wrapper {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  background-color: #000;
}

.hero-bg-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: bottom;
  display: block;
  opacity: 1;
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 800px;
  margin: 0 auto;
}

.hero-tag {
  font-size: 13px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(42px, 5.2vw, 80px);
  font-weight: 400;
  font-style: normal;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: clamp(16px, 2.5vh, 28px);
  white-space: nowrap;
}

.hero-cta-wrap {
  margin: 0 auto 28px;
  display: flex;
  justify-content: center;
}

.hero-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #ffffff;
  color: #e65c00;
  font-weight: 700;
  font-size: 15.5px;
  padding: 10px 14px 10px 28px;
  border-radius: 9999px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25), 0 0 24px rgba(230, 92, 0, 0.25);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-cta-btn:hover {
  transform: translateY(-2px);
  background: #ffffff;
  box-shadow: 0 8px 30px rgba(230, 92, 0, 0.45);
}

.hero-cta-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #e65c00;
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(230, 92, 0, 0.4);
  transition: transform 0.3s ease;
}

.hero-cta-btn:hover .hero-cta-badge {
  transform: translateX(3px) scale(1.05);
}

/* 副标题容器放宽至 640px，以容纳 40 字符的长单句排版 */
.hero-subtitle {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.6);
  max-width: 640px;
  margin: 0 auto clamp(18px, 2.8vh, 32px);
}

.btn-manifesto {
  display: inline-block;
  border-radius: 9999px;
  padding: 12px 32px;
  font-size: 13.5px;
  font-weight: 500;
  color: #ffffff;
}

/* ABOUT SECTION (统一板块上下间距) */
.about-section {
  background-color: #000;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--section-spacing) 24px;
  position: relative;
  box-sizing: border-box;
  gap: 24px;
}

.about-radial-overlay {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1200px;
  height: 400px;
  background: radial-gradient(ellipse at top, rgba(255, 255, 255, 0.03) 0%, transparent 70%);
  pointer-events: none;
}

.about-text-wrapper {
  text-align: center;
}

.about-heading {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 600;
  line-height: 1.3;
  max-width: 900px;
  margin: 0 auto;
  letter-spacing: -0.01em;
}

.tutorial-tab {
  display: inline-block;
  cursor: pointer;
  font-size: inherit;
  font-family: inherit;
  font-weight: inherit;
  line-height: inherit;
  color: rgba(255, 255, 255, 0.45);
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
  transition: var(--transition-smooth);
}

.tutorial-tab:hover {
  color: rgba(255, 255, 255, 0.85);
  border-bottom-color: rgba(255, 255, 255, 0.4);
}

.tutorial-tab.active {
  color: #ffffff;
  border-bottom-color: #ffffff;
}

.tutorial-sep {
  font-size: inherit;
  font-family: inherit;
  color: rgba(255, 255, 255, 0.35);
  margin: 0 2px;
}

/* FEATURED VIDEO CONTAINER (极简淡灰浅框，无圆角、无毛玻璃) */
.featured-video-container {
  max-width: 1000px;
  width: 100%;
  max-height: 50vh;
  border-radius: 0;
  overflow: hidden;
  position: relative;
  aspect-ratio: 16/9;
  background-color: #000;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.featured-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.video-dark-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.4) 0%, transparent 100%);
  pointer-events: none;
}

/* ========================================================
   SECTION: MEDIA PRESS & CASE STUDIES (权威媒体报道)
   ======================================================== */
.press-section {
  padding: var(--section-spacing) 24px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

.press-header {
  text-align: center;
  margin-bottom: 36px;
}

.press-title {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 400;
  color: #ffffff;
  margin-bottom: 12px;
}

.press-subtitle {
  font-size: 14.5px;
  color: rgba(255, 255, 255, 0.6);
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.6;
}

.press-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.press-card {
  border-radius: 18px;
  padding: 28px 24px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s ease, box-shadow 0.4s ease;
  text-decoration: none;
  min-height: 240px;
}

.press-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 25px rgba(255, 255, 255, 0.04);
}

.press-body {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.press-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

/* 左上角实心大厂 Logo 品牌组件（重现实心高辨识度徽标） */
.press-brand-wrap {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 4px 12px 4px 5px;
  border-radius: 9999px;
}

.press-solid-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 3px 8px;
  border-radius: 9999px;
  font-size: 11.5px;
  font-weight: 900;
  letter-spacing: 0.5px;
  color: #ffffff;
  line-height: 1;
}

.logo-zol {
  background: linear-gradient(135deg, #1d4ed8, #0284c7);
  box-shadow: 0 0 10px rgba(2, 132, 199, 0.4);
}

.logo-csdn {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  box-shadow: 0 0 10px rgba(239, 68, 68, 0.4);
}

.logo-suzhou {
  background: linear-gradient(135deg, #059669, #10b981);
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.4);
}

.press-brand-name {
  font-size: 12.5px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
}

.press-date {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
}

.press-card-title {
  font-size: 17.5px;
  font-weight: 600;
  line-height: 1.45;
  color: #ffffff;
  margin-bottom: 12px;
  transition: color 0.2s ease;
}

.press-card:hover .press-card-title {
  color: #38bdf8;
}

.press-desc {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 20px;
  flex-grow: 1;
}

.press-read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: #60a5fa;
  margin-top: auto;
  transition: transform 0.2s ease, color 0.2s ease;
}

.press-card:hover .press-read-more {
  transform: translateX(4px);
  color: #93c5fd;
}

@media (max-width: 960px) {
  .press-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
}

/* ========================================================
   SECTION: BENTO GRID FEATURES (核心特性便当盒网格)
   ======================================================== */
.philosophy-section {
  padding: var(--section-spacing) 24px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

.features-header {
  text-align: center;
  margin-bottom: 40px;
}

.features-title {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 400;
  color: #ffffff;
  margin-bottom: 12px;
}

.features-subtitle {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.65);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.6;
}

.bento-container {
  width: 100%;
}

.features-bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
  width: 100%;
}

.bento-card {
  position: relative;
  border-radius: 20px;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s ease, box-shadow 0.4s ease;
  overflow: hidden;
}

.bento-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 25px rgba(255, 255, 255, 0.04);
}

.bento-card-large {
  grid-column: span 7;
}

.bento-card-medium {
  grid-column: span 5;
}

.bento-card-small {
  grid-column: span 4;
}

.bento-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 4px 12px;
  border-radius: 9999px;
  margin-bottom: 14px;
  width: fit-content;
}

.bento-card h3 {
  font-size: 22px;
  font-weight: 600;
  line-height: 1.35;
  color: #ffffff;
  margin-bottom: 12px;
}

.bento-card-large h3 {
  font-size: 26px;
}

.bento-card .block-body {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.68);
  flex-grow: 1;
}

.bento-card .block-body ul {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.bento-card .block-body li {
  position: relative;
  padding-left: 18px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.5;
}

.bento-card .block-body li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #10b981;
  font-weight: 700;
  font-size: 12px;
}

.bento-card .btn-link {
  display: inline-flex;
  align-items: center;
  margin-top: 16px;
  font-size: 13.5px;
  font-weight: 500;
  color: #60a5fa;
  transition: color 0.2s ease, transform 0.2s ease;
}

.bento-card .btn-link:hover {
  color: #93c5fd;
  transform: translateX(3px);
}

/* Bento 特性卡片视窗与配图 */
.bento-img-wrap {
  margin-top: 20px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: #080c16;
  aspect-ratio: 16 / 9;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 8px 24px rgba(0, 0, 0, 0.4);
}

/* Card 1 视窗压扁 1/3，消除上下冗余，高度与右侧 Card 2 视觉平齐 */
.bento-card-large .bento-img-wrap {
  aspect-ratio: 1376 / 512;
}

.bento-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), filter 0.5s ease;
}

.bento-card:hover .bento-img {
  transform: scale(1.03);
}

.bento-visual {
  margin-top: 20px;
  border-radius: 12px;
  padding: 14px 16px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.team-chips-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.team-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 12px;
  color: #e4e4e7;
}

.chip-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
}

.pipeline-flow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  font-size: 12px;
}

.pipeline-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: rgba(255, 255, 255, 0.85);
  text-align: center;
}

.pipeline-step-badge {
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-weight: 500;
}

.pipeline-arrow {
  color: rgba(255, 255, 255, 0.3);
  font-size: 14px;
}

.bento-metric-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.bento-metric-val {
  font-size: 26px;
  font-weight: 700;
  color: #38bdf8;
  letter-spacing: -0.02em;
}

.bento-metric-label {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
}

.code-pill-preview {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: monospace;
  font-size: 12px;
  color: #a7f3d0;
}

@media (max-width: 1024px) {
  .bento-card-large,
  .bento-card-medium {
    grid-column: span 12;
  }
  .bento-card-small {
    grid-column: span 6;
  }
}

@media (max-width: 768px) {
  .bento-card-small {
    grid-column: span 12;
  }
  .philosophy-section {
    padding: 60px 16px;
  }
  .bento-card {
    padding: 24px 20px;
  }
}

/* SERVICES & SOLUTIONS */
.services-section {
  padding: var(--section-spacing) 24px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.services-radial-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.02) 0%, transparent 60%);
  pointer-events: none;
}

.services-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 36px;
  gap: 8px;
}

.services-title {
  font-size: 44px;
  font-weight: 400;
  font-family: var(--font-serif);
}

.services-subtitle {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.6;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  width: 100%;
}

.service-card {
  border-radius: 20px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.service-card h3 {
  font-size: 19px;
  margin: 12px 0 10px;
  color: #fff;
}

.service-card p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 20px;
}

.service-card-list {
  list-style: none;
  padding: 16px 0 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.service-card-list li {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.5;
}

.service-card-list .check {
  color: #d4a359;
  flex-shrink: 0;
  margin-top: 1px;
}

.industry-coverage-bar {
  margin-top: 24px;
  padding: 16px 28px;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.industry-label {
  font-size: 13px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.05em;
}

.industry-tags {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.8);
  letter-spacing: 0.03em;
}

.footer-nav-link {
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
  text-decoration: none;
  transition: color 0.3s;
}

.footer-nav-link:hover {
  color: #fff;
}

/* FOOTER */
.footer {
  padding: 80px 40px 40px;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 60px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 40px;
}

.footer-brand {
  max-width: 320px;
}

.footer-brand-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  font-size: 18px;
  font-weight: 600;
}

.footer-brand-title img {
  height: 24px;
}

.footer-brand p {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.5);
}

.footer-brand p + p {
  margin-top: 8px;
}

.footer-brand a:hover {
  color: #fff;
}

.footer-links {
  display: flex;
  gap: 50px;
  align-items: center;
  justify-content: flex-end;
  margin-left: auto;
}

.footer-column h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 24px;
}

.footer-column a {
  display: block;
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 12px;
}

.footer-column a:hover {
  color: #ffffff;
}

.footer-bottom {
  max-width: 1200px;
  margin: 60px auto 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
}

.footer-copyright-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.icp-link {
  color: rgba(255, 255, 255, 0.4);
  text-decoration: none;
  transition: color 0.2s ease;
}

.icp-link:hover {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: underline;
}

/* PRICING PAGE */
.pricing-page-container {
  padding: 160px 24px 100px;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.pricing-header-dark {
  margin-bottom: 60px;
}

.pricing-title-dark {
  font-family: var(--font-serif);
  font-size: 64px;
  font-weight: 400;
  margin-bottom: 36px;
}

.pricing-subtitle-dark {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.6);
  max-width: 600px;
  margin: 0 auto 32px;
}

.billing-toggle {
  display: inline-block;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 9999px;
  padding: 4px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 24px;
}

.toggle-btn {
  display: inline-block;
  padding: 6px 20px;
  border-radius: 9999px;
  border: none;
  background: transparent;
  color: rgba(255, 255, 255, 0.5);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.toggle-btn.active {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.promo-banner {
  display: inline-block;
  background: rgba(0, 255, 136, 0.1);
  color: #00ff88;
  font-size: 13px;
  padding: 6px 16px;
  border-radius: 9999px;
  font-weight: 500;
}

.pricing-grid-dark {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.price-card-dark {
  border-radius: 28px;
  padding: 48px;
  width: 460px;
  text-align: left;
  position: relative;
  transition: transform 0.3s;
  display: flex;
  flex-direction: column;
}

.price-card-dark:hover {
  transform: translateY(-4px);
}

.pro-featured-dark::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1.5px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.6) 0%, transparent 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.badge-trial-capsule {
  display: inline-block;
  position: absolute;
  top: 24px;
  right: 24px;
  background: rgba(255, 255, 255, 0.1);
  font-size: 11px;
  padding: 4px 12px;
  font-weight: 600;
  border-radius: 9999px;
}

.card-title {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 12px;
}

.card-subtitle-desc {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 32px;
  min-height: 42px;
}

.price-value-box {
  margin-bottom: 40px;
}

.price-flex-row {
  margin-bottom: 4px;
}

.original-price {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.4);
  text-decoration: line-through;
  margin-right: 12px;
  display: inline-block;
  vertical-align: middle;
}

.sale-price {
  font-size: 42px;
  font-weight: 600;
  margin-right: 8px;
  display: inline-block;
  vertical-align: middle;
}

/* 算力卡片 Pro 状态（无优惠，纯白价格，隐藏特惠提示与原价） */
.plan-pro-active #compute-subdesc {
  display: none !important;
}
.plan-pro-active #compute-orig-price {
  display: none !important;
}
.plan-pro-active #compute-sale-price {
  color: #ffffff !important;
}

/* 平台服务费说明（横贯卡片全宽深灰背景带） */
.delivery-faq-inline {
  background: #232630;
  margin-left: -48px;
  margin-right: -48px;
  padding: 18px 48px;
  margin-bottom: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .delivery-faq-inline {
    margin-left: -24px;
    margin-right: -24px;
    padding: 16px 24px;
  }
}

.price-period-unit {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  display: inline-block;
  vertical-align: middle;
}

.price-discount-desc {
  font-size: 12.5px;
  color: #00ff88;
  line-height: 1.5;
  margin-top: 4px;
}

.custom-large-label {
  font-size: 32px;
  font-weight: 600;
  display: block;
  margin-bottom: 8px;
}

.price-divider {
  border: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin-bottom: 40px;
}

.price-feature-list {
  list-style: none;
  flex-grow: 1;
}

.price-feature-list li {
  margin-bottom: 16px;
  color: rgba(255, 255, 255, 0.7);
}

.price-feature-list li .feature-text-val {
  display: inline-block;
  vertical-align: top;
  max-width: calc(100% - 30px);
}

.check-icon {
  color: rgba(255, 255, 255, 0.9);
  margin-right: 8px;
  display: inline-block;
  vertical-align: top;
}

.cross-icon {
  color: rgba(255, 255, 255, 0.25);
  margin-right: 8px;
  display: inline-block;
  vertical-align: top;
}

.btn-full {
  display: block;
  text-align: center;
  width: 100%;
  padding: 14px;
  margin-bottom: 12px;
  border-radius: 9999px;
}

/* TIMELINE PRICING SYSTEM */
.timeline-theme-header {
  text-align: center;
  margin-bottom: 24px;
}

.timeline-node-header {
  margin-bottom: 14px;
}

.theme-capsule-badge {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: #00ff88;
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid rgba(0, 255, 136, 0.25);
  padding: 6px 24px;
  border-radius: 9999px;
  letter-spacing: 1px;
}

.timeline-nodes-bar {
  display: flex;
  justify-content: center;
  gap: 32px;
  max-width: 952px;
  margin: 0 auto -8px;
  position: relative;
}

.timeline-nodes-bar::before {
  content: '';
  position: absolute;
  top: 62px;
  left: 230px;
  right: 230px;
  height: 2px;
  background: linear-gradient(90deg, rgba(0, 255, 136, 0.8), rgba(255, 255, 255, 0.3) 50%, rgba(0, 255, 136, 0.8));
  box-shadow: 0 0 10px rgba(0, 255, 136, 0.4);
  z-index: 1;
}

.timeline-node-unit {
  width: 460px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 2;
}

.timeline-node-circle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #000000;
  border: 2px solid #00ff88;
  box-shadow: 0 0 16px rgba(0, 255, 136, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
}

.node-inner-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #00ff88;
}

.timeline-stem-pointer {
  width: 2px;
  height: 24px;
  background: linear-gradient(180deg, #00ff88 0%, rgba(0, 255, 136, 0.4) 100%);
  position: relative;
}

.timeline-triangle-arrow {
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 7px solid #00ff88;
}

/* 算力方案 99 与 239 切换按钮 */
.plan-pill-toggle {
  display: flex;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 9999px;
  padding: 4px;
  margin-bottom: 24px;
  gap: 4px;
}

.plan-pill-btn {
  flex: 1;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 9999px;
  padding: 8px 14px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  outline: none;
}

.plan-pill-btn:hover {
  color: #ffffff;
}

.plan-pill-btn.active {
  background: rgba(0, 255, 136, 0.15);
  color: #00ff88;
  border-color: rgba(0, 255, 136, 0.35);
  font-weight: 600;
  box-shadow: 0 0 12px rgba(0, 255, 136, 0.2);
}

/* 交付服务费支付时机提示框（替代按钮） */
.delivery-notice-box {
  margin-top: auto;
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  background: rgba(0, 255, 136, 0.04);
  border: 1px dashed rgba(0, 255, 136, 0.3);
  border-radius: 9999px;
  text-align: center;
  box-sizing: border-box;
}

.delivery-notice-text {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.4;
  margin: 0;
  letter-spacing: 0.3px;
}

@media (max-width: 992px) {
  .timeline-nodes-bar {
    display: none;
  }
}

/* DELIVERY SERVICE SECTION */
.delivery-section-wrap {
  margin-top: 48px;
  width: 100%;
  max-width: 952px;
  margin-left: auto;
  margin-right: auto;
}

.delivery-card-dark {
  border-radius: 28px;
  padding: 44px 48px;
  text-align: left;
  position: relative;
  background: radial-gradient(ellipse at top left, rgba(0, 255, 136, 0.08) 0%, rgba(255, 255, 255, 0.01) 70%);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.delivery-badge-capsule {
  display: inline-block;
  background: rgba(0, 255, 136, 0.12);
  color: #00ff88;
  border: 1px solid rgba(0, 255, 136, 0.25);
  font-size: 11.5px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 9999px;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.delivery-header-flex {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 20px;
}

.delivery-title {
  font-size: 26px;
  font-weight: 600;
  margin-bottom: 8px;
}

.delivery-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  max-width: 540px;
  line-height: 1.6;
}

.delivery-price-block {
  text-align: right;
}

.delivery-grid-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 36px;
  margin: 32px 0 28px;
  list-style: none;
}

.delivery-grid-features li {
  display: flex;
  align-items: flex-start;
  color: rgba(255, 255, 255, 0.82);
  font-size: 13.5px;
  line-height: 1.6;
}

.delivery-grid-features li .check-icon {
  color: #00ff88;
  font-weight: bold;
  margin-right: 10px;
  flex-shrink: 0;
}

.delivery-cta-btn {
  display: inline-block;
  background: #ffffff;
  color: #000000;
  font-weight: 600;
  font-size: 14px;
  padding: 14px 36px;
  border-radius: 9999px;
  transition: var(--transition-smooth);
}

.delivery-cta-btn:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.9);
}

/* Enterprise Custom Inset inside Delivery Card */
.enterprise-custom-inset {
  margin-top: 36px;
  padding: 22px 28px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
  text-align: left;
}

.custom-inset-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.custom-inset-tag {
  font-size: 12.5px;
  font-weight: 600;
  color: #fbbf24;
}

.custom-inset-price {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.6);
}

.custom-inset-desc {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.6;
  margin-bottom: 12px;
}

.custom-inset-btn {
  font-size: 13px;
  color: #00ff88;
  font-weight: 500;
  display: inline-block;
  transition: var(--transition-smooth);
}

.custom-inset-btn:hover {
  text-decoration: underline;
  transform: translateX(2px);
}

@media (max-width: 768px) {
  .delivery-header-flex {
    flex-direction: column;
  }
  .delivery-price-block {
    text-align: left;
  }
  .delivery-grid-features {
    grid-template-columns: 1fr;
  }
  .delivery-card-dark {
    padding: 32px 24px;
  }
}

@media (max-width: 768px) {
  .delivery-header-flex {
    flex-direction: column;
  }
  .delivery-price-block {
    text-align: left;
  }
  .delivery-grid-features {
    grid-template-columns: 1fr;
  }
  .delivery-card-dark {
    padding: 32px 24px;
  }
}

/* ABOUT PAGE */
.about-page-container {
  padding: 160px 24px 100px;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about-header-section {
  margin-bottom: 40px;
}

.about-title-dark {
  font-family: var(--font-serif);
  font-size: 64px;
  font-weight: 400;
  margin-bottom: 24px;
}

.about-subtitle-dark {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.6);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

.brook-flow-container {
  height: 120px;
  width: 1px;
  margin: 0 auto 60px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.2) 50%, rgba(255, 255, 255, 0) 100%);
}

.story-card-dark {
  padding: 48px;
  border-radius: 28px;
  text-align: left;
}

.story-card-dark h2 {
  font-family: var(--font-serif);
  font-size: 28px;
  margin-bottom: 32px;
  font-weight: 400;
}

.story-card-dark p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 24px;
}

.story-card-dark p:last-child {
  margin-bottom: 0;
}

/* ANIMATIONS */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* 星星鼠标拖尾特效画布 */
#star-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 9999;
}



/* --- 全屏磁吸滚动 (Snap Scrolling) --- */
.snap-section {
  scroll-margin-top: 0px;
}

/* --- 返回顶部按钮 --- */
.back-to-top {
  position: fixed;
  bottom: 40px;
  right: 40px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: none;
  cursor: pointer;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease, transform 0.3s ease, background-color 0.3s ease;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.back-to-top.show {
  opacity: 1;
  pointer-events: auto;
}

.back-to-top:hover {
  transform: translateY(-4px);
  background-color: rgba(255, 255, 255, 0.2);
}

.back-to-top svg {
  width: 24px;
  height: 24px;
}

/* --- 伴生媒体背书 (内嵌于第二屏) --- */
.media-endorse-bar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
}

.media-logos {
  display: flex;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
}

.media-logo-item {
  font-size: 13.5px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.45);
  transition: color 0.3s;
}

.media-logo-item:hover {
  color: #fff;
}

.media-quote-box {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.5);
  font-style: italic;
}

/* --- 行业标签与评价组件复用 --- */
.industry-coverage-bar {
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.testimonial-stars {
  color: #fbbf24;
  font-size: 13px;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.testimonial-quote {
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 18px;
  flex-grow: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  flex-shrink: 0;
  overflow: hidden;
}

.author-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}

.author-avatar svg {
  width: 20px;
  height: 20px;
}

/* 头像配色方案 (6位不同业务角色) */
.avatar-blue { background: radial-gradient(circle at 35% 35%, #0284c7 0%, #034870 100%); color: #bae6fd; }
.avatar-purple { background: radial-gradient(circle at 35% 35%, #9333ea 0%, #4c1d95 100%); color: #e9d5ff; }
.avatar-emerald { background: radial-gradient(circle at 35% 35%, #059669 0%, #064e3b 100%); color: #a7f3d0; }
.avatar-amber { background: radial-gradient(circle at 35% 35%, #d97706 0%, #78350f 100%); color: #fde68a; }
.avatar-rose { background: radial-gradient(circle at 35% 35%, #e11d48 0%, #881337 100%); color: #fecdd3; }
.avatar-indigo { background: radial-gradient(circle at 35% 35%, #4f46e5 0%, #312e81 100%); color: #c7d2fe; }

/* ========================================================
   统一大内容块标题规范 (38px 优雅衬线，呼吸感与统摄力)
   ======================================================== */
.section-title {
  font-family: var(--font-serif);
  font-size: 38px;
  font-weight: 600;
  color: #ffffff;
  line-height: 1.25;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.section-subtitle {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.6;
  max-width: 720px;
}

/* --- FAQ 问答原生组件 (1200px 现代左右分栏布局) --- */
.faq-section {
  padding: var(--section-spacing) 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.faq-container {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 64px;
  align-items: start;
}

.faq-header-sticky {
  position: sticky;
  top: 100px;
}

.faq-header-sticky .section-title {
  text-align: left;
}

.faq-header-sticky .section-subtitle {
  text-align: left;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.faq-item {
  border-radius: 0;
  border: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.faq-item:first-child {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

@media (max-width: 860px) {
  .faq-container {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .faq-header-sticky {
    position: static;
  }
}

.faq-item summary {
  list-style: none;
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.9);
  user-select: none;
}

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

.faq-item .faq-icon {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  color: rgba(255, 255, 255, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.faq-item .faq-icon svg {
  width: 22px;
  height: 22px;
  stroke-width: 2.2;
}

.faq-item[open] .faq-icon {
  transform: rotate(180deg);
  color: #fff;
}

.faq-answer {
  padding: 0 0 22px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.65);
}

/* --- 底部高效转化 CTA --- */
.cta-section {
  padding: var(--section-spacing) 24px;
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}

.cta-card {
  border-radius: 24px;
  padding: 54px 32px;
  background: radial-gradient(ellipse at 50% -20%, rgba(212, 163, 89, 0.15) 0%, rgba(255, 255, 255, 0.01) 70%);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.cta-title {
  font-size: 40px;
  font-family: var(--font-serif);
  font-weight: 400;
  margin-bottom: 14px;
}

.cta-btn-primary {
  display: inline-block;
  background: #fff;
  color: #000;
  font-weight: 600;
  font-size: 14px;
  padding: 14px 36px;
  border-radius: 9999px;
  transition: var(--transition-smooth);
}

.cta-btn-primary:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.9);
}

@media (max-width: 768px) {
  :root {
    --section-spacing: 60px;
  }

  .philosophy-grid,
  .philosophy-grid.reverse {
    grid-template-columns: 1fr !important;
    gap: 40px;
  }

  .philosophy-media {
    max-width: 100%;
  }

  .services-grid {
    grid-template-columns: 1fr !important;
  }

  .section-title,
  .features-title,
  .press-title,
  .services-title,
  .faq-title,
  .cta-title {
    font-size: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 8px;
    margin-top: 40px;
  }

  .footer-copyright-group {
    justify-content: center;
  }
}