/* ========================================
   皮圈运营系统 - 官网样式表
   墨色科技风配色：墨色 · 灰色 · 象牙白 · 奶霜白 · 月牙白
   简洁大方 · 科技感
   ======================================== */

/* ===== CSS Variables ===== */
:root {
  /* 主色调 - 鼠尾草绿 */
  --sage: #2A2A2A;
  --sage-dark: #3A3A3A;
  --sage-light: #666666;
  --sage-pale: #F0F0F0;
  --sage-bg: #E8E8E8;

  /* 背景色系 */
  --cream: #F5F3EE;       /* 奶霜白 */
  --ivory: #FAF8F3;       /* 象牙白 */
  --moon: #EDF0EA;        /* 月白 */
  --sand: #E8DFD0;        /* 砂色浅 */
  --sand-deep: #D4C5A9;   /* 砂色 */
  --grass: #999999;       /* 百草露 */

  /* 文字色系 */
  --ink: #2A2A2A;         /* 墨 */
  --ink-2: #4A4A4A;       /* 淡墨 */
  --ink-3: #777777;       /* 灰墨 */
  --ink-4: #AAAAAA;       /* 浅灰 */
  --ink-5: #C4C0B8;       /* 极浅灰 */

  /* 功能色 */
  --white: #FFFFFF;
  --bg: var(--cream);
  --bg-2: var(--ivory);
  --dark: #2A2A2A;
  --dark-2: #3A3A3A;
  --dark-3: #555555;
  --text: var(--ink-2);
  --text-light: var(--ink-3);
  --text-lighter: var(--ink-4);

  /* 边框 */
  --border: #E5E0D5;
  --border-light: #F0EDE5;
  --border-dark: #D5CFC2;

  /* 渐变 · 宋氏美学暖调 */
  --gradient: linear-gradient(135deg, #2A2A2A 0%, #4A6B6B 100%);
  --gradient-dark: linear-gradient(135deg, #2A2A2A 0%, #3E5A5A 100%);
  --gradient-soft: linear-gradient(135deg, #EDF0EA 0%, #F5F3EE 100%);
  --gradient-text: linear-gradient(135deg, #4A6B6B 0%, #B8996A 100%);

  /* 宋氏美学色系 */
  --c-celadon: #6B8E8E;
  --c-celadon-dark: #4A6B6B;
  --c-sand: #A68A64;
  --c-sand-dark: #7A6344;
  --c-gold: #B8996A;
  --c-gold-deep: #8B7355;
  --c-gold-strong: #A07A4A;

  /* 阴影 - 柔和暖调 */
  --shadow-sm: 0 1px 2px rgba(42, 42, 42, 0.04);
  --shadow: 0 2px 8px rgba(42, 42, 42, 0.05);
  --shadow-md: 0 6px 20px rgba(42, 42, 42, 0.07);
  --shadow-lg: 0 12px 36px rgba(42, 42, 42, 0.09);
  --shadow-xl: 0 20px 50px rgba(42, 42, 42, 0.12);

  /* 圆角 - 精致小圆角 */
  --radius: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 10px;

  --container: 1200px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: "PingFang SC", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--cream);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

img {
  max-width: 100%;
  display: block;
}

ul, ol {
  list-style: none;
}

/* ===== Container ===== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.container-fluid {
  width: 100%;
  padding: 0 24px;
}

/* ===== Typography ===== */
.section-title {
  font-size: 34px;
  font-weight: 600;
  text-align: center;
  margin-bottom: 12px;
  letter-spacing: -0.3px;
  color: var(--ink);
}

.section-subtitle {
  font-size: 15px;
  color: var(--text-light);
  text-align: center;
  margin-bottom: 56px;
  letter-spacing: 0.5px;
}

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: var(--sage-dark);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 30px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
  letter-spacing: 0.3px;
}

.btn-primary {
  background: var(--sage);
  color: var(--white);
  box-shadow: 0 2px 8px rgba(42, 42, 42, 0.25);
}

.btn-primary:hover {
  background: var(--sage-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(42, 42, 42, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--sage-dark);
  border: 1px solid var(--sage);
}

.btn-outline:hover {
  background: var(--sage);
  color: var(--white);
}

.btn-white {
  background: var(--white);
  color: var(--sage-dark);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.btn-white:hover {
  border-color: var(--sage);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn-ghost {
  background: transparent;
  color: var(--ink-2);
  border: 1px solid var(--border-dark);
}

.btn-ghost:hover {
  border-color: var(--sage);
  color: var(--sage-dark);
  background: var(--sage-pale);
}

.btn-sm {
  padding: 7px 18px;
  font-size: 13px;
}

.btn-lg {
  padding: 14px 36px;
  font-size: 15px;
}

/* ===== Topbar (breadcrumb mini-nav) ===== */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  height: 32px;
  background: var(--ink);
  display: flex;
  align-items: center;
}

.topbar-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.topbar a {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 4px;
}

.topbar a:hover {
  color: var(--white);
}

.topbar a svg {
  width: 12px;
  height: 12px;
  opacity: 0.7;
}

.topbar-login {
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
}

.topbar-login:hover {
  color: var(--white);
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 32px;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(250, 248, 243, 0.92);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.3px;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--sage);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 16px;
  font-weight: 600;
}

.logo-img {
  width: 32px;
  height: 32px;
  border-radius: var(--radius);
  -webkit-object-fit:cover;object-fit:cover;
}

.logo-text {
  color: var(--ink);
}

.nav {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-toggle {
  display: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 400;
  color: var(--ink-2);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--sage-dark);
  background: var(--sage-pale);
}

.nav-link svg {
  width: 13px;
  height: 13px;
  transition: var(--transition);
  opacity: 0.5;
}

.nav-item:hover .nav-link svg {
  transform: rotate(180deg);
  opacity: 1;
}

/* ===== Mega Menu Dropdown ===== */
.mega-menu {
  position: absolute;
  top: 100%;
  left: 0;
  transform: translateY(8px);
  width: 880px;
  max-width: calc(100% - 40px);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 100;
}

.nav-item:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mega-menu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 4px;
}

.mega-menu-title {
  grid-column: 1 / -1;
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-4);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 4px;
  padding-left: 12px;
}

.mega-menu-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius);
  transition: var(--transition);
}

.mega-menu-item:hover {
  background: var(--sage-pale);
}

.mega-menu-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--sage-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--sage);
  transition: var(--transition);
}

.mega-menu-icon svg {
  width: 20px;
  height: 20px;
}

.mega-menu-item:hover .mega-menu-icon {
  background: var(--sage);
  color: var(--white);
}

.mega-menu-text h4 {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 2px;
}

.mega-menu-text p {
  font-size: 12px;
  color: var(--text-light);
  line-height: 1.4;
}

/* ===== Footer (7.21 IT-style — brand + 5-column grid) ===== */
.footer {
  background: #1a1a1a;
  color: rgba(255,255,255,0.5);
  padding: 56px 0 0;
}
.footer .container { max-width: var(--maxw, 1200px); margin: 0 auto; padding: 0 1.5rem; }
.footer-main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-brand .logo {
  display: flex; align-items: center; gap: 8px;
  color: #fff; margin-bottom: 14px;
}
.footer-brand .logo img { height: 30px; border-radius: 4px; }
.footer-brand .logo span {
  font-family: 'Noto Serif SC', serif;
  font-size: 1.05rem; color: #fff; letter-spacing: 0.12em;
}
.footer-brand p {
  font-size: 13px; line-height: 1.8; margin-bottom: 18px;
  color: rgba(255,255,255,0.5); max-width: 280px;
}
.footer-contact-item {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; margin-bottom: 7px; color: rgba(255,255,255,0.5);
}
.footer-contact-item svg { width: 14px; height: 14px; color: var(--c-gold, #B8996A); flex-shrink: 0; }
.footer-qr { margin-top: 10px; }
.footer-qr img {
  width: 76px; height: 76px; border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.15); background: #fff; padding: 3px;
}
.footer-qr span { display: block; font-size: 0.66rem; color: #808080; margin-top: 4px; }
.footer-col h4 {
  color: #fff; font-size: 14px; font-weight: 500;
  margin-bottom: 14px; letter-spacing: 0.05em;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col ul li { margin-bottom: 9px; }
.footer-col ul li a {
  font-size: 12px; color: rgba(255,255,255,0.4);
  text-decoration: none; transition: color 0.3s;
}
.footer-col ul li a:hover { color: var(--c-gold, #B8996A); }
.footer-bottom {
  padding: 20px 0; text-align: center; font-size: 12px;
  color: rgba(255,255,255,0.4); line-height: 1.8;
}
.footer-bottom a { color: rgba(255,255,255,0.4); text-decoration: none; transition: color 0.3s; }
.footer-bottom a:hover { color: var(--c-gold, #B8996A); }
@media (max-width: 1024px) {
  .footer-main { grid-template-columns: 1fr 1fr 1fr; gap: 28px; }
}
@media (max-width: 768px) {
  .footer-main { grid-template-columns: 1fr; gap: 24px; }
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-cta .btn-primary {
  padding: 7px 18px;
  font-size: 13px;
  letter-spacing: 0.5px;
}

.header-login {
  font-size: 14px;
  color: var(--ink-2);
  padding: 7px 14px;
  transition: var(--transition);
}

.header-login:hover {
  color: var(--sage-dark);
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  padding: 130px 0 70px;
  background: var(--ivory);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 25% 40%, rgba(42, 42, 42, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 75% 60%, rgba(153, 153, 153, 0.05) 0%, transparent 50%);
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(42, 42, 42, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 42, 42, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
}

.hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--ink);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 12px;
  color: var(--ink-2);
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.hero-badge-dot {
  width: 7px;
  height: 7px;
  background: var(--sage);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-size: 48px;
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 18px;
  letter-spacing: -0.5px;
  color: var(--ink);
}

.hero h1 .gradient-text {
  display: inline-block;
}

.hero-desc {
  font-size: 16px;
  color: var(--text-light);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-bottom: 50px;
}

.hero-preview {
  max-width: 960px;
  margin: 0 auto;
  position: relative;
}

.hero-preview-frame {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 6px;
  box-shadow: var(--shadow-lg);
}

.hero-preview-inner {
  background: var(--cream);
  border-radius: var(--radius-lg);
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

/* Dashboard mockup in hero */
.dashboard-mockup {
  width: 100%;
  height: 100%;
  display: flex;
}

.dashboard-sidebar {
  width: 190px;
  background: var(--ivory);
  padding: 18px 10px;
  border-right: 1px solid var(--border-light);
}

.dashboard-sidebar-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border-radius: var(--radius);
  font-size: 12px;
  color: var(--ink-3);
  margin-bottom: 3px;
  transition: var(--transition);
}

.dashboard-sidebar-item:hover {
  background: var(--sage-pale);
  color: var(--sage-dark);
}

.dashboard-sidebar-item.active {
  background: var(--sage);
  color: var(--white);
}

.dashboard-sidebar-item-dot {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  background: var(--border);
  flex-shrink: 0;
}

.dashboard-sidebar-item.active .dashboard-sidebar-item-dot {
  background: rgba(255,255,255,0.3);
}

.dashboard-main {
  flex: 1;
  padding: 18px;
}

.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.dashboard-stat-card {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 12px;
}

.dashboard-stat-label {
  font-size: 10px;
  color: var(--ink-4);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.dashboard-stat-value {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
}

.dashboard-stat-change {
  font-size: 10px;
  color: var(--sage-dark);
  margin-top: 3px;
  font-weight: 500;
}

.dashboard-chart {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 14px;
  height: 180px;
  display: flex;
  align-items: flex-end;
  gap: 6px;
}

.dashboard-chart-bar {
  flex: 1;
  background: var(--sage-light);
  border-radius: 3px 3px 0 0;
  opacity: 0.5;
  animation: barRise 1s ease-out forwards;
  transform-origin: bottom;
}

.dashboard-chart-bar:nth-child(odd) {
  background: var(--sage);
  opacity: 0.7;
}

@keyframes barRise {
  from { transform: scaleY(0); }
  to { transform: scaleY(1); }
}

/* ===== Sections ===== */
.section {
  padding: 80px 0;
}

.section-light {
  background: var(--cream);
}

.section-dark {
  background: var(--ink);
  color: var(--white);
}

.section-dark .section-title {
  color: var(--white);
}

.section-dark .section-subtitle {
  color: rgba(255,255,255,0.5);
}

/* Dark section color overrides - fix contrast issues */
.section-dark .gradient-text {
  background: linear-gradient(135deg, #FFFFFF 0%, #C4C0B8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: var(--white);
}

.section-dark .stat-number {
  color: var(--white);
}

.section-dark .stat-label {
  color: rgba(255, 255, 255, 0.65);
}

/* CTA section button overrides - fix visibility on dark bg */
.cta-section .btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.cta-section .btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.8);
  color: var(--white);
}

.cta-section .btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.cta-section .btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.8);
  color: var(--white);
}

/* Section-dark btn-ghost override - fix visibility on dark bg */
.section-dark .btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.section-dark .btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.6);
  color: var(--white);
}

.cta-section .btn-white {
  background: var(--white);
  color: var(--ink);
  border: 1px solid var(--white);
}

.cta-section .btn-white:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-1px);
}

/* ===== Feature Highlights ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}

.feature-card {
  text-align: center;
  padding: 28px 14px;
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--sage-light);
}

.feature-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 14px;
  border-radius: var(--radius-md);
  background: var(--sage-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--sage);
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  background: var(--sage);
  color: var(--white);
}

.feature-icon svg {
  width: 24px;
  height: 24px;
}

.feature-card h3 {
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--ink);
}

.feature-card p {
  font-size: 12px;
  color: var(--text-light);
  line-height: 1.6;
}

/* ===== Solutions Grid ===== */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.solution-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  border: 1px solid var(--border-light);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.solution-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--sage);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.solution-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.solution-card:hover::before {
  transform: scaleX(1);
}

.solution-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--sage-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--sage);
  margin-bottom: 18px;
  transition: var(--transition);
}

.solution-card:hover .solution-card-icon {
  background: var(--sage);
  color: var(--white);
}

.solution-card-icon svg {
  width: 24px;
  height: 24px;
}

.solution-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--ink);
}

.solution-card-desc {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 18px;
  line-height: 1.6;
}

.solution-card-features {
  margin-bottom: 20px;
}

.solution-card-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-light);
  margin-bottom: 7px;
}

.solution-card-features li svg {
  width: 13px;
  height: 13px;
  color: var(--sage);
  flex-shrink: 0;
}

.solution-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--sage-dark);
}

.solution-card-link:hover {
  gap: 10px;
}

.solution-card-link svg {
  width: 14px;
  height: 14px;
}

/* ===== E-Flash Series ===== */
.eflash-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.eflash-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 24px 18px;
  text-align: center;
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

.eflash-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--sage-light);
}

.eflash-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  border-radius: var(--radius-lg);
  background: var(--sage);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  position: relative;
}

.eflash-icon svg {
  width: 28px;
  height: 28px;
}

.eflash-card h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--ink);
}

.eflash-card p {
  font-size: 12px;
  color: var(--text-light);
  margin-bottom: 14px;
  line-height: 1.5;
}

.eflash-card-link {
  font-size: 12px;
  font-weight: 500;
  color: var(--sage-dark);
}

/* ===== Pricing ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}

.pricing-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
}

.pricing-card:hover {
  border-color: var(--sage);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.pricing-card.popular {
  border-color: var(--sage);
  background: linear-gradient(180deg, var(--sage-pale) 0%, var(--white) 30%);
}

.pricing-card.popular::before {
  content: '热门推荐';
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--sage);
  color: var(--white);
  font-size: 11px;
  font-weight: 500;
  padding: 3px 14px;
  border-radius: 100px;
  white-space: nowrap;
  letter-spacing: 0.5px;
}

.pricing-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 3px;
}

.pricing-card-tag {
  font-size: 11px;
  color: var(--text-light);
  margin-bottom: 18px;
}

.pricing-card-price {
  margin-bottom: 20px;
}

.pricing-card-price .currency {
  font-size: 15px;
  font-weight: 500;
  color: var(--sage-dark);
  vertical-align: top;
}

.pricing-card-price .amount {
  font-size: 32px;
  font-weight: 700;
  color: var(--ink);
}

.pricing-card-price .suffix {
  font-size: 13px;
  color: var(--text-light);
}

.pricing-card-features {
  margin-bottom: 22px;
}

.pricing-card-features li {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  font-size: 12px;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.5;
}

.pricing-card-features li svg {
  width: 14px;
  height: 14px;
  color: var(--sage);
  flex-shrink: 0;
  margin-top: 2px;
}

.pricing-card .btn {
  width: 100%;
}

/* ===== Testimonials ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 26px;
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

.testimonial-card:hover {
  box-shadow: var(--shadow);
}

.testimonial-quote {
  font-size: 48px;
  line-height: 1;
  color: var(--sage-pale);
  font-family: Georgia, serif;
  margin-bottom: 6px;
}

.testimonial-text {
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.8;
  margin-bottom: 18px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 10px;
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--sage);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
}

.testimonial-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
}

.testimonial-role {
  font-size: 11px;
  color: var(--text-light);
}

/* ===== Stats Section ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  text-align: center;
}

.stat-item .stat-number {
  font-size: 42px;
  font-weight: 700;
  color: var(--sage-dark);
  margin-bottom: 6px;
  line-height: 1;
  letter-spacing: -1px;
}

.stat-item .stat-label {
  font-size: 14px;
  color: var(--text-light);
}

/* ===== App Center ===== */
.app-center {
  background: var(--ink);
  border-radius: var(--radius-xl);
  padding: 56px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.app-center::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(42, 42, 42, 0.1) 0%, transparent 50%);
}

.app-center-inner {
  position: relative;
  z-index: 2;
}

.app-center h2 {
  color: var(--white);
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 10px;
}

.app-center p {
  color: rgba(255,255,255,0.5);
  font-size: 15px;
  margin-bottom: 28px;
}

.app-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 28px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.app-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 100px;
  font-size: 12px;
  color: rgba(255,255,255,0.7);
  transition: var(--transition);
}

.app-tag:hover {
  background: rgba(42, 42, 42, 0.15);
  border-color: var(--sage);
  color: var(--white);
}

.app-tag svg {
  width: 13px;
  height: 13px;
  color: var(--sage-light);
}

/* ===== New Apps Section ===== */
.new-apps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.new-app-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 22px;
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

.new-app-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
  border-color: var(--sage-light);
}

.new-app-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.new-app-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--sage-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--sage);
}

.new-app-icon svg {
  width: 22px;
  height: 22px;
}

.new-app-name {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
}

.new-app-desc {
  font-size: 12px;
  color: var(--text-light);
  margin-bottom: 14px;
  line-height: 1.5;
}

.new-app-price {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.new-app-price .current {
  font-size: 20px;
  font-weight: 600;
  color: var(--sage-dark);
}

.new-app-price .original {
  font-size: 13px;
  color: var(--ink-4);
  text-decoration: line-through;
}

/* ===== Service Provider Section ===== */
.provider-section {
  background: var(--ink);
  border-radius: var(--radius-xl);
  padding: 56px;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.provider-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(42, 42, 42, 0.12) 0%, transparent 70%);
}

.provider-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.provider-content h2 {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 14px;
}

.provider-content p {
  font-size: 15px;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
  margin-bottom: 28px;
}

.provider-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.provider-feature {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.provider-feature-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: rgba(42, 42, 42, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--sage-light);
  flex-shrink: 0;
}

.provider-feature-icon svg {
  width: 18px;
  height: 18px;
}

.provider-feature h4 {
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 3px;
}

.provider-feature p {
  font-size: 11px;
  color: rgba(255,255,255,0.4);
  margin: 0;
  line-height: 1.5;
}

/* ===== After-sales Service ===== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  text-align: center;
  padding: 36px 22px;
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--sage-light);
}

.service-card-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  border-radius: var(--radius-lg);
  background: var(--sage);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
}

.service-card-icon svg {
  width: 28px;
  height: 28px;
}

.service-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--ink);
}

.service-card p {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.7;
}

.service-card-link {
  display: inline-block;
  margin-top: 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--sage-dark);
}

/* ===== Footer (legacy overrides — neutralized, see unified footer above) ===== */
/* .footer, .footer-main, .footer-brand, .footer-col, .footer-bottom */
/* are all defined in the unified footer section above */

/* ===== Floating Widgets ===== */
.float-widgets {
  position: fixed;
  right: 20px;
  bottom: 80px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.float-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--white);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  border: 1px solid var(--border-light);
  text-decoration: none;
  color: inherit;
}

.float-btn:hover {
  background: var(--sage);
  transform: scale(1.05);
}

.float-btn svg {
  width: 22px;
  height: 22px;
  color: var(--sage);
}

.float-btn:hover svg {
  color: var(--white);
}

.float-btn-tooltip {
  position: absolute;
  right: 60px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--ink);
  color: var(--white);
  padding: 6px 14px;
  border-radius: var(--radius);
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  pointer-events: none;
}

.float-btn:hover .float-btn-tooltip {
  opacity: 1;
  visibility: visible;
}

.float-btn-popup {
  position: absolute;
  right: 60px;
  bottom: 0;
  width: 190px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 18px;
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  pointer-events: none;
  border: 1px solid var(--border-light);
}

.float-btn:hover .float-btn-popup {
  opacity: 1;
  visibility: visible;
}

.float-btn-popup h5 {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 10px;
}

.float-btn-popup .qr-placeholder {
  width: 110px;
  height: 110px;
  margin: 0 auto 10px;
  background: var(--cream);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 11px;
}

.float-btn-popup p {
  font-size: 11px;
  color: var(--text-light);
}

/* Back to top */
.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
  border: none;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--sage);
}

.back-to-top svg {
  width: 18px;
  height: 18px;
}

/* ===== Version Page Specific ===== */
.version-hero {
  padding: 110px 0 50px;
  background: var(--ivory);
  text-align: center;
  color: var(--ink);
  border-bottom: 1px solid var(--border-light);
}

.version-table-section {
  padding: 56px 0;
}

.version-comparison {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-light);
}

.version-comparison th,
.version-comparison td {
  padding: 14px 18px;
  text-align: center;
  font-size: 13px;
  border-bottom: 1px solid var(--border-light);
}

.version-comparison th {
  background: var(--ivory);
  font-weight: 500;
  color: var(--ink);
}

.version-comparison td:first-child {
  text-align: left;
  font-weight: 500;
  color: var(--ink-2);
  background: var(--cream);
}

.version-comparison .check-icon {
  color: var(--sage);
}

.version-comparison .cross-icon {
  color: var(--ink-4);
}

.version-comparison tr:hover td {
  background: var(--sage-pale);
}

.version-tabs {
  display: flex;
  gap: 4px;
  justify-content: center;
  margin-bottom: 36px;
  background: var(--cream);
  border-radius: 100px;
  padding: 4px;
  display: inline-flex;
}

.version-tab {
  padding: 9px 24px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-light);
  cursor: pointer;
  transition: var(--transition);
}

.version-tab.active {
  background: var(--white);
  color: var(--sage-dark);
  box-shadow: var(--shadow-sm);
}

/* ===== Case Page ===== */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.case-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.case-card-img {
  height: 180px;
  background: var(--sage-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.case-card-img img {
  width: 100%;
  height: 100%;
  -webkit-object-fit:cover;object-fit:cover;
  transition: var(--transition);
}

.case-card:hover .case-card-img img {
  transform: scale(1.05);
}

.case-card-img svg {
  width: 56px;
  height: 56px;
  color: var(--sage);
  opacity: 0.4;
  z-index: 2;
  position: relative;
}

.case-card-body {
  padding: 22px;
}

.case-card-body h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--ink);
}

.case-card-body p {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.6;
}

.case-card-tags {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.case-card-tag {
  padding: 3px 10px;
  background: var(--sage-pale);
  color: var(--sage-dark);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 500;
}

/* ===== Solution Page Layout ===== */
.solution-hero {
  padding: 130px 0 50px;
  position: relative;
  overflow: hidden;
  background: var(--ivory);
  border-bottom: 1px solid var(--border-light);
}

.solution-hero-content {
  max-width: 600px;
}

.solution-hero h1 {
  font-size: 38px;
  font-weight: 600;
  margin-bottom: 14px;
  line-height: 1.25;
  color: var(--ink);
}

.solution-hero p {
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 28px;
}

.solution-feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 72px;
}

.solution-feature-row:nth-child(even) .solution-feature-visual {
  order: 2;
}

.solution-feature-text h2 {
  font-size: 26px;
  font-weight: 600;
  margin-bottom: 14px;
  color: var(--ink);
}

.solution-feature-text p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 22px;
}

.solution-feature-list {
  display: grid;
  gap: 14px;
}

.solution-feature-list-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.solution-feature-list-item .icon-box {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: linear-gradient(135deg, #6B8E8E, #4A6B6B);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(107,142,142,0.28);
}

/* 功能图标色差轮换 · 宋氏色系（有色差不刺眼） */
.solution-feature-list-item:nth-child(6n+2) .icon-box { background: linear-gradient(135deg, #B0835A, #8B5E3C); box-shadow: 0 4px 12px rgba(176,131,90,0.28); }
.solution-feature-list-item:nth-child(6n+3) .icon-box { background: linear-gradient(135deg, #C2A174, #A07A4A); box-shadow: 0 4px 12px rgba(194,161,116,0.28); }
.solution-feature-list-item:nth-child(6n+4) .icon-box { background: linear-gradient(135deg, #7A92A8, #556B80); box-shadow: 0 4px 12px rgba(122,146,168,0.28); }
.solution-feature-list-item:nth-child(6n+5) .icon-box { background: linear-gradient(135deg, #8EAAA2, #5F8681); box-shadow: 0 4px 12px rgba(142,170,162,0.28); }
.solution-feature-list-item:nth-child(6n+6) .icon-box { background: linear-gradient(135deg, #4A6B6B, #2A2A2A); box-shadow: 0 4px 12px rgba(74,107,107,0.28); }

.solution-feature-list-item .icon-box svg {
  width: 19px;
  height: 19px;
  stroke-width: 2.4;
}

.solution-feature-list-item h4 {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 3px;
}

.solution-feature-list-item p {
  font-size: 13px;
  color: var(--text-light);
  margin: 0;
  line-height: 1.6;
}

.solution-feature-visual {
  border-radius: var(--radius-xl);
  height: 340px;
  background: linear-gradient(135deg, rgba(107,142,142,0.24), rgba(107,142,142,0.22), rgba(184,153,106,0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(107,142,142,0.28);
}

.solution-feature-visual::before {
  content: '';
  position: absolute;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(107,142,142,0.5), transparent 68%);
  top: -50px;
  right: -50px;
}

.solution-feature-visual::after {
  content: '';
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(184,153,106,0.4), transparent 70%);
  bottom: -40px;
  left: -40px;
}

.solution-feature-visual img {
  width: 100%;
  height: 100%;
  -webkit-object-fit:cover;object-fit:cover;
  border-radius: var(--radius-xl);
  filter: saturate(1.15) contrast(1.03);
}

.solution-feature-visual svg {
  width: 200px;
  height: 200px;
  filter: saturate(1.15) drop-shadow(0 12px 28px rgba(107,142,142,0.35));
}

/* ===== About Page ===== */
.about-hero {
  padding: 110px 0 70px;
  background: var(--ivory);
  text-align: center;
  color: var(--ink);
  border-bottom: 1px solid var(--border-light);
}

.about-hero h1 {
  font-size: 38px;
  font-weight: 600;
  margin-bottom: 14px;
}

.about-hero p {
  font-size: 16px;
  color: var(--text-light);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.8;
}

.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.about-value-card {
  text-align: center;
  padding: 36px 24px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

.about-value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--sage-light);
}

.about-value-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  border-radius: var(--radius-lg);
  background: var(--sage);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
}

.about-value-icon svg {
  width: 28px;
  height: 28px;
}

.about-value-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--ink);
}

.about-value-card p {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.8;
}

/* ===== CTA Section ===== */
.cta-section {
  padding: 72px 0;
  background: var(--sage);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 50%, rgba(255,255,255,0.06) 0%, transparent 50%),
    radial-gradient(circle at 70% 50%, rgba(255,255,255,0.04) 0%, transparent 50%);
}

.cta-inner {
  position: relative;
  z-index: 2;
}

.cta-section h2 {
  font-size: 32px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 14px;
}

.cta-section p {
  font-size: 16px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 28px;
}

.cta-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
}

/* ===== Breadcrumb ===== */
/* ===== Page Hero (for subpages) ===== */
.page-hero {
  padding: 130px 0 50px;
  background: var(--ivory);
  text-align: center;
  color: var(--ink);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border-light);
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 50%, rgba(42, 42, 42, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 70% 50%, rgba(153, 153, 153, 0.04) 0%, transparent 50%);
}

.page-hero-inner {
  position: relative;
  z-index: 2;
}

.page-hero h1 {
  font-size: 36px;
  font-weight: 600;
  margin-bottom: 14px;
  color: var(--ink);
}

.page-hero p {
  font-size: 16px;
  color: var(--text-light);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ===== Independently Page ===== */
.independently-feature {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.independently-feature-card {
  text-align: center;
  padding: 28px 18px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

.independently-feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--sage);
}

.independently-feature-card .icon-wrap {
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  border-radius: var(--radius-lg);
  background: var(--sage);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
}

.independently-feature-card .icon-wrap svg {
  width: 28px;
  height: 28px;
}

.independently-feature-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--ink);
}

.independently-feature-card p {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== Product Show Page ===== */
.product-category-tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.product-category-tab {
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-light);
  background: var(--white);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
}

.product-category-tab.active,
.product-category-tab:hover {
  background: var(--sage);
  color: var(--white);
  border-color: var(--sage);
}

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

.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 22px;
  border: 1px solid var(--border-light);
  transition: var(--transition);
  text-align: center;
}

.product-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: var(--sage-light);
}

.product-card-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 14px;
  border-radius: var(--radius-md);
  background: var(--sage-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--sage);
}

.product-card:hover .product-card-icon {
  background: var(--sage);
  color: var(--white);
}

.product-card-icon svg {
  width: 24px;
  height: 24px;
}

.product-card h3 {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 6px;
}

.product-card p {
  font-size: 12px;
  color: var(--text-light);
  line-height: 1.5;
}

.product-card .tag {
  display: inline-block;
  margin-top: 8px;
  padding: 2px 10px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 500;
}

.product-card .tag.free {
  background: var(--sage-pale);
  color: var(--sage-dark);
}

.product-card .tag.paid {
  background: var(--sand);
  color: #8B7355;
}

/* ===== Experience Page ===== */
.exp-tabs {
  display: flex;
  gap: 4px;
  justify-content: center;
  margin-bottom: 40px;
  background: transparent;
  border-radius: 0;
  padding: 0;
  display: inline-flex;
  border: none;
}

.exp-tab {
  padding: 10px 28px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-light);
  cursor: pointer;
  transition: var(--transition);
}

.exp-tab.active {
  background: var(--sage);
  color: var(--white);
}

.exp-panel {
  display: none;
  animation: fadeIn 0.4s ease;
}

.exp-panel.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.exp-card {
  background: var(--ivory);
  border-radius: var(--radius-lg);
  padding: 36px;
  border: 1px solid var(--border-light);
  text-align: center;
  transition: var(--transition);
}

.exp-card:hover {
  box-shadow: var(--shadow);
  border-color: var(--sage-light);
}

.exp-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
}

.exp-card p {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 18px;
  line-height: 1.7;
}

.exp-card .exp-tags {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.exp-card .exp-tag {
  padding: 4px 12px;
  background: var(--sage-pale);
  color: var(--sage-dark);
  border-radius: 100px;
  font-size: 12px;
}

.exp-qr {
  width: 140px;
  height: 140px;
  margin: 0 auto 16px;
  background: var(--cream);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 12px;
  border: 1px solid var(--border);
}

/* ===== Login Page ===== */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ivory);
  padding: 40px 20px;
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
}

.login-logo {
  text-align: center;
  margin-bottom: 28px;
}

.login-logo .logo {
  justify-content: center;
  margin-bottom: 8px;
}

.login-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  text-align: center;
  margin-bottom: 4px;
}

.login-subtitle {
  font-size: 13px;
  color: var(--text-light);
  text-align: center;
  margin-bottom: 28px;
}

.login-field {
  margin-bottom: 18px;
}

.login-field label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-2);
  margin-bottom: 6px;
}

.login-field input {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--ink);
  background: var(--cream);
  transition: var(--transition);
  outline: none;
}

.login-field input:focus {
  border-color: var(--sage);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(42, 42, 42, 0.1);
}

.login-field input::placeholder {
  color: var(--ink-4);
}

.login-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  font-size: 13px;
}

.login-checkbox {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-light);
  cursor: pointer;
}

.login-checkbox input {
  width: 15px;
  height: 15px;
  accent-color: var(--sage);
}

.login-forgot {
  color: var(--sage-dark);
}

.login-forgot:hover {
  text-decoration: underline;
}

.login-btn {
  width: 100%;
  padding: 12px;
  background: var(--sage);
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.5px;
}

.login-btn:hover {
  background: var(--sage-dark);
  box-shadow: 0 4px 12px rgba(42, 42, 42, 0.3);
}

.login-divider {
  text-align: center;
  margin: 24px 0;
  position: relative;
}

.login-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border);
}

.login-divider span {
  position: relative;
  background: var(--white);
  padding: 0 12px;
  font-size: 12px;
  color: var(--ink-4);
}

.login-footer {
  text-align: center;
  font-size: 13px;
  color: var(--text-light);
}

.login-footer a {
  color: var(--sage-dark);
  font-weight: 500;
}

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

/* ===== Image Feature Row (new for index) ===== */
.image-feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  margin-bottom: 72px;
}

.image-feature-row:nth-child(even) .image-feature-visual {
  order: 2;
}

.image-feature-text h2 {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 14px;
  color: var(--ink);
  line-height: 1.3;
}

.image-feature-text p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 22px;
}

.image-feature-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.image-feature-tag {
  padding: 5px 14px;
  background: var(--sage-pale);
  color: var(--sage-dark);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
}

.image-feature-visual {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  position: relative;
}

.image-feature-visual img {
  width: 100%;
  height: 360px;
  -webkit-object-fit:cover;object-fit:cover;
  transition: var(--transition);
}

.image-feature-row:hover .image-feature-visual img {
  transform: scale(1.03);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .solutions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .eflash-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .new-apps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .case-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-main {
    grid-template-columns: repeat(3, 1fr);
  }
  .provider-inner {
    grid-template-columns: 1fr;
  }
  .image-feature-row {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .image-feature-row:nth-child(even) .image-feature-visual {
    order: 0;
  }
  .nav {
    display: none;
  }
}

@media (max-width: 768px) {
  .section-title {
    font-size: 24px;
  }
  .hero h1 {
    font-size: 30px;
  }
  .hero {
    padding: 90px 0 50px;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .solutions-grid {
    grid-template-columns: 1fr;
  }
  .eflash-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .new-apps-grid {
    grid-template-columns: 1fr;
  }
  .case-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .service-grid {
    grid-template-columns: 1fr;
  }
  .about-values {
    grid-template-columns: 1fr;
  }
  .footer-main {
    grid-template-columns: 1fr;
  }
  .solution-feature-row {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .solution-feature-row:nth-child(even) .solution-feature-visual {
    order: 0;
  }
  .hero-actions {
    flex-direction: column;
  }
  .dashboard-sidebar {
    display: none;
  }
  .dashboard-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .provider-section,
  .app-center {
    padding: 36px 20px;
  }
  .float-widgets {
    display: none;
  }
  .login-card {
    padding: 28px 22px;
  }
}

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .fade-in,
  .fade-in.visible {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* ========================================
   ===== 全站手机端自适应样式 =====
   ======================================== */

/* ===== 平板端 (<=1024px) ===== */
@media (max-width: 1024px) {
  /* 导航：隐藏桌面端导航，显示汉堡按钮 */
  .nav { display: none; }
  .nav-toggle { display: flex !important; }
  .header-cta .btn-primary { padding: 6px 14px; font-size: 13px; }

  /* Topbar：缩小间距 */
  .topbar-left, .topbar-right { gap: 12px; }
  .topbar a { font-size: 11px; }
  .topbar a svg { width: 11px; height: 11px; }

  /* 页面hero缩小 */
  .page-hero { padding: 120px 0 40px; }
  .page-hero h1 { font-size: 26px; }
}

/* ===== 手机端 (<=768px) ===== */
@media (max-width: 768px) {
  /* ----- Topbar ----- */
  .topbar { height: 28px; overflow-x: auto; overflow-y: hidden; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  .topbar::-webkit-scrollbar { display: none; }
  .topbar-inner { padding: 0 12px; min-width: max-content; justify-content: flex-start; gap: 14px; }
  .topbar-left, .topbar-right { gap: 10px; }
  .topbar-right { border-left: 1px solid rgba(255,255,255,0.12); padding-left: 14px; }
  .topbar a { font-size: 10px; gap: 3px; white-space: nowrap; flex-shrink: 0; }
  .topbar a svg { width: 10px; height: 10px; flex-shrink: 0; }
  /* 右侧渐变提示可滑动 */
  .topbar::after {
    content: '';
    position: fixed;
    right: 0; top: 0;
    width: 24px; height: 28px;
    background: linear-gradient(to right, transparent, var(--ink));
    pointer-events: none;
    z-index: 1002;
  }

  /* ----- Header ----- */
  .header { top: 28px; }
  .header-inner { padding: 0 12px; height: 52px; }
  .logo { font-size: 15px; gap: 6px; }
  .logo-img { width: 26px; height: 26px; }
  .logo-text { font-size: 15px; }
  .header-cta { gap: 6px; }
  .header-cta .btn-primary { padding: 5px 12px; font-size: 12px; }

  /* 汉堡按钮 */
  .nav-toggle {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 0;
  }
  .nav-toggle svg { width: 22px; height: 22px; color: var(--ink); }

  /* 移动端导航菜单 */
  .nav.open {
    display: flex !important;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--ivory);
    flex-direction: row;
    flex-wrap: wrap;
    padding: 12px 14px;
    overflow-x: visible;
    z-index: 999;
    gap: 0;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
  }
  .nav.open .nav-item {
    width: auto;
    border-bottom: none;
  }
  .nav.open .nav-link {
    display: block;
    padding: 8px 12px;
    font-size: 14px;
    color: var(--ink);
    border-radius: 6px;
    white-space: nowrap;
  }
  .nav.open .nav-link:hover {
    background: var(--moon);
  }
  .nav.open .nav-link.active { color: var(--sage-dark); font-weight: 600; background: var(--moon); }
  .nav.open .nav-link svg { transition: transform 0.3s; }
  .nav.open .nav-item.expanded .nav-link svg { transform: rotate(180deg); }

  /* 移动端mega-menu：默认收起，点击展开 */
  .nav.open .mega-menu {
    display: none;
    position: static;
    box-shadow: none;
    border-radius: 0;
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
    padding: 0 0 8px 16px;
    max-height: none;
    width: 100%;
  }
  .nav.open .nav-item.expanded .mega-menu {
    display: block !important;
  }
  .nav.open .mega-menu-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0;
  }
  .nav.open .mega-menu-title {
    font-size: 12px;
    padding: 8px 0 4px;
    color: #999;
  }
  .nav.open .mega-menu-item {
    padding: 10px 0;
    border-bottom: none;
  }
  .nav.open .mega-menu-icon { display: none; }
  .nav.open .mega-menu-text h4 { font-size: 14px; }
  .nav.open .mega-menu-text p { display: none; }

  /* ----- Container ----- */
  .container { padding: 0 14px; }
  .container-fluid { padding: 0 14px; }

  /* ----- Section ----- */
  .section { padding: 40px 0; }
  .section-title { font-size: 22px; }
  .section-subtitle { font-size: 13px; margin-bottom: 32px; }

  /* ----- Hero ----- */
  .hero { padding: 80px 0 40px; }
  .hero h1 { font-size: 24px; }
  .hero-desc { font-size: 14px; }
  .hero-actions { flex-direction: column; gap: 10px; }
  .hero-actions .btn { width: 100%; max-width: 280px; }
  .hero-preview { margin-top: 32px; }

  /* ----- Page Hero ----- */
  .page-hero { padding: 100px 0 32px; margin-top: 60px; }
  .page-hero h1 { font-size: 22px; }
  .page-hero p { font-size: 13px; }

  /* ----- Grids ----- */
  .features-grid { grid-template-columns: 1fr; }
  .solutions-grid { grid-template-columns: 1fr; }
  .eflash-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .new-apps-grid { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .service-grid { grid-template-columns: 1fr; }
  .about-values { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; gap: 24px; }
  .independently-feature { grid-template-columns: 1fr; }
  .solution-feature-row { grid-template-columns: 1fr; gap: 24px; }
  .solution-feature-row:nth-child(even) .solution-feature-visual { order: 0; }
  .dashboard-stats { grid-template-columns: repeat(2, 1fr); }
  .image-feature-row { grid-template-columns: 1fr; gap: 24px; }
  .image-feature-row:nth-child(even) .image-feature-visual { order: 0; }

  /* ----- Pricing ----- */
  .pricing-card { margin-bottom: 16px; }

  /* ----- Feature Cards ----- */
  .feature-card { padding: 20px 16px; }
  .feature-card h3 { font-size: 16px; }
  .feature-card p { font-size: 13px; }

  /* ----- Solution Feature ----- */
  .solution-feature-text h2 { font-size: 20px; }
  .solution-feature-text p { font-size: 14px; }
  .solution-feature-list { gap: 12px; }
  .solution-feature-list-item { padding: 10px; }
  .solution-feature-list-item h4 { font-size: 14px; }
  .solution-feature-list-item p { font-size: 12px; }
  .solution-feature-visual { margin: 0 auto; max-width: 320px; }

  /* ----- Independently Feature Cards ----- */
  .independently-feature-card { padding: 20px 16px; }
  .independently-feature-card h3 { font-size: 16px; }
  .independently-feature-card p { font-size: 13px; }

  /* ----- App Cards (product/show.html) ----- */
  .app-card { padding: 16px 12px; }
  .app-card-name { font-size: 14px; }
  .app-card-desc { font-size: 12px; }

  /* ----- CTA ----- */
  .cta-section { padding: 40px 16px; }
  .cta-inner h2 { font-size: 22px; }
  .cta-inner p { font-size: 14px; }
  .cta-actions { flex-direction: column; gap: 10px; }
  .cta-actions .btn { width: 100%; max-width: 280px; }

  /* ----- Footer ----- */
  .footer { padding: 40px 0 20px; }
  .footer-brand { margin-bottom: 20px; }
  .footer-col { margin-bottom: 16px; }
  .footer-col h4 { font-size: 14px; margin-bottom: 10px; }
  .footer-col ul li { margin-bottom: 6px; }
  .footer-col ul li a { font-size: 13px; }
  .footer-bottom p { font-size: 11px; line-height: 1.6; }

  /* ----- Float Widgets ----- */
  .float-widgets { display: none; }

  /* ----- Back to Top ----- */
  .back-to-top { width: 36px; height: 36px; bottom: 16px; right: 16px; }

  /* ----- Login Page ----- */
  .login-card { padding: 24px 18px; }
  .login-title { font-size: 20px; }

  /* ----- Provider / App Center ----- */
  .provider-section, .app-center { padding: 32px 14px; }
  .dashboard-sidebar { display: none; }

  /* ----- Version Page ----- */
  .version-table { font-size: 13px; }
  .version-table th, .version-table td { padding: 10px 8px; }

  /* ----- Case Page ----- */
  .case-card { padding: 16px; }
  .case-card h3 { font-size: 16px; }

  /* ----- Experience Page ----- */
  .experience-form { padding: 20px 16px; }
  .experience-form input, .experience-form textarea, .experience-form select {
    font-size: 14px;
    padding: 10px 12px;
  }
}

/* ===== 超小屏 (<=480px) ===== */
@media (max-width: 480px) {
  .topbar a { font-size: 9px; }
  .topbar-inner { padding: 0 8px; }

  .header-inner { padding: 0 10px; }
  .logo-text { font-size: 14px; }
  .header-cta .btn-primary { padding: 4px 10px; font-size: 11px; }

  .section { padding: 32px 0; }
  .section-title { font-size: 18px; }
  .container { padding: 0 10px; }

  .eflash-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .dashboard-stats { grid-template-columns: 1fr; }

  .hero h1 { font-size: 20px; }
  .page-hero h1 { font-size: 18px; }

  .footer-bottom p { font-size: 10px; }
}

/* ===== 品牌首页(index.html)手机端 ===== */
@media (max-width: 768px) {
  .startup-hero { min-height: 380px; margin-top: 60px; }
  .startup-hero h1 { font-size: 1.6rem; }
  .startup-hero p { font-size: 0.9rem; line-height: 1.6; }
  .startup-hero-content { padding: 32px 14px; }

  .hero-slideshow { height: calc(100vh - 60px); margin-top: 60px; min-height: 420px; }
  .hero-content h1 { font-size: 2rem; letter-spacing: 0.1em; }
  .hero-content .subtitle { font-size: 0.85rem; letter-spacing: 0.2em; }
  .hero-content .subtitle-2 { font-size: 0.75rem; }

  .brand-section { padding: 40px 14px; }
  .brand-section h2 { font-size: 1.5rem; }
  .brand-section p { font-size: 0.9rem; line-height: 1.8; }

  .feat-grid { grid-template-columns: 1fr !important; gap: 24px; }
  .feat-card { padding: 20px 16px; }

  .stats-row { grid-template-columns: repeat(2, 1fr) !important; gap: 16px; }
  .stat-item { padding: 16px 8px; }
  .stat-number { font-size: 1.6rem; }
  .stat-label { font-size: 12px; }

  /* 图片网格手机端 */
  .img-grid-3 { grid-template-columns: repeat(2, 1fr) !important; gap: 8px; }
  .img-grid-3 img { max-height: 200px !important; }
  .img-grid-2 { grid-template-columns: 1fr !important; gap: 12px; }
  .gallery-clean { grid-template-columns: repeat(2, 1fr) !important; gap: 8px; }
  .gallery-clean .g-item { aspect-ratio: 4/3; }

  /* 手机模型 */
  .phone-wrap { gap: 12px; }
  .phone-mockup { width: 160px !important; height: 340px !important; }
  .phone-item { min-width: 160px; }

  /* 卡片网格 */
  .card { margin-bottom: 12px; }
  .card img { max-height: 240px !important; }

  /* 渐变横幅 */
  .grad-banner { padding: 1.5rem 1rem !important; }
  .grad-banner h3 { font-size: 1.1rem !important; }

  /* 时间线 */
  .timeline-item { flex-direction: column; gap: 0.5rem; }
  .timeline-year { text-align: left; width: auto; font-size: 1rem; }

  /* 品牌首页section内距 */
  .section-inner { padding: 0 14px; }

  /* 统计卡片 */
  .stat-card { padding: 1.5rem 0.8rem; }
  .stat-card .number { font-size: 1.8rem; }

  /* 特性网格 */
  .feat-grid { grid-template-columns: 1fr !important; }
}

@media (max-width: 480px) {
  .img-grid-3 { grid-template-columns: 1fr !important; }
  .gallery-clean { grid-template-columns: 1fr !important; }
  .phone-mockup { width: 140px !important; height: 300px !important; }
  .hero-content h1 { font-size: 1.5rem; }
  .brand-section h2 { font-size: 1.2rem; }
}

/* ===== 创业扶持页(independently.html)手机端补充 ===== */
@media (max-width: 768px) {
  .startup-hero-bg { background-size: cover; background-position: center; }
  .target-card-img { height: 180px; }
  .empower-card-img { height: 140px; }
  .path-step-img { width: 90px; height: 90px; }
  .saas-screenshot img { max-height: 300px; -webkit-object-fit:cover;object-fit:cover; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 8px; }
  .startup-stat-num { font-size: 1.6rem; }
  .startup-hero h1 { font-size: 1.4rem; }
  .startup-hero h1 .accent { font-size: 1rem; }
  .target-card-body { padding: 20px 16px; }
  .target-card-body h3 { font-size: 1.1rem; }
  .model-card { padding: 24px 16px; }
  .model-card-highlight { font-size: 1.4rem; }
  .empower-card-body { padding: 16px; }
  .saas-feature-item { padding: 12px; gap: 10px; }
  .saas-feature-item .icon-box { width: 32px; height: 32px; }
  .startup-cta h2 { font-size: 1.3rem; }
  .startup-cta p { font-size: 0.9rem; }
}

@media (max-width: 480px) {
  .startup-stats { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .target-card-img { height: 160px; }
  .empower-card-img { height: 120px; }
  .path-step-img { width: 80px; height: 80px; }
}

/* ============================================================
   宋氏美学覆盖层（追加于末尾，不改布局，只统一配色与字体）
   墨色打底 · 青瓷点缀 · 沙金暖调 · 纸色为底
   ============================================================ */

/* --- 标题改衬线（宋氏签名） --- */
h1, h2, h3,
.section-title,
.hero-title, .page-title, .cta-title {
  font-family: 'Noto Serif SC', 'Songti SC', 'STSong', Georgia, serif;
}
.section-title { font-weight: 700; letter-spacing: 0.01em; }

/* --- 主按钮改金色（宋氏CTA） --- */
.btn-primary {
  background: linear-gradient(135deg, #C2A174 0%, #A07A4A 100%);
  color: #fff;
  box-shadow: 0 3px 12px rgba(184, 153, 106, 0.32);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #B08D55 0%, #8B6A3F 100%);
  box-shadow: 0 6px 18px rgba(184, 153, 106, 0.42);
  transform: translateY(-1px);
}

/* --- 导航激活/hover 改青瓷 --- */
.nav-link:hover,
.nav-link.active {
  color: var(--c-celadon-dark);
  background: rgba(107, 142, 142, 0.12);
}

/* --- 渐变文字改青瓷→金 --- */
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* --- 区块副标题/眉题点缀青瓷 --- */
.section-subtitle { color: var(--c-celadon-dark); }

/* --- 通用链接与强调色统一为青瓷（内容区） --- */
a.link, .text-accent { color: var(--c-celadon-dark); }

/* --- 选中态 --- */
::selection { background: var(--c-celadon); color: #fff; }


/* ===== 浏览器兼容性兜底 (自动注入) ===== */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
@supports not (font-size: clamp(1px, 1vw, 1px)) {
  .section-title { font-size: 2.2rem; }
}
@supports not (aspect-ratio: 4 / 3) {
  .gallery-clean .g-item { position: relative; padding-top: 75%; height: 0; }
  .gallery-clean .g-item > img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
}
@supports not (gap: 1px) {
  .topbar-left > * + * { margin-left: 20px; }
  .topbar-right > * + * { margin-left: 20px; }
  .topbar a > * + * { margin-left: 4px; }
  .logo > * + * { margin-left: 10px; }
  .nav > * + * { margin-left: 2px; }
  .nav-link > * + * { margin-left: 4px; }
  .mega-menu-item > * + * { margin-left: 12px; }
  .footer-brand .logo > * + * { margin-left: 8px; }
  .footer-contact-item > * + * { margin-left: 8px; }
  .header-cta > * + * { margin-left: 10px; }
  .hero-actions > * + * { margin-left: 14px; }
  .dashboard-sidebar-item > * + * { margin-left: 8px; }
  .dashboard-chart > * + * { margin-left: 6px; }
  .solution-card-features li > * + * { margin-left: 8px; }
  .pricing-card-features li > * + * { margin-left: 7px; }
  .testimonial-author > * + * { margin-left: 10px; }
  .app-tags > * + * { margin-left: 10px; }
  .new-app-header > * + * { margin-left: 10px; }
  .new-app-price > * + * { margin-left: 8px; }
  .provider-feature > * + * { margin-left: 10px; }
  .float-widgets > * + * { margin-top: 10px; margin-left: 0; }
  .version-tabs > * + * { margin-left: 4px; }
  .case-card-tags > * + * { margin-left: 8px; }
  .solution-feature-list-item > * + * { margin-left: 12px; }
  .cta-actions > * + * { margin-left: 14px; }
  .product-category-tabs > * + * { margin-left: 8px; }
  .exp-tabs > * + * { margin-left: 4px; }
  .exp-card .exp-tags > * + * { margin-left: 8px; }
  .login-checkbox > * + * { margin-left: 6px; }
  .image-feature-tags > * + * { margin-left: 10px; }
  .nav.open > * + * { margin-left: 0; }
  .nav.open .mega-menu-grid > * + * { margin-top: 0; margin-left: 0; }
}

/* ===== data-block 通用样式兜底（不依赖 CMS 自动生成的随机类名） ===== */
/* 解决：编辑器保存时把 inline style 剥掉 + 加 class "c5100" 等，CSS 找不到该类 */
/* 通过 data-block 属性选择器，无论类名怎么变都能命中 */

[data-block="quote"] {
  background: linear-gradient(135deg, #2A2A2A 0%, #1a1a1a 100%);
  padding: 3.6rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
[data-block="quote"]::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 50%, rgba(255,255,255,0.06) 0%, transparent 50%),
    radial-gradient(circle at 70% 50%, rgba(255,255,255,0.04) 0%, transparent 50%);
  pointer-events: none;
}
[data-block="quote"] h2 {
  font-family: 'Noto Serif SC', 'Songti SC', 'STSong', Georgia, serif;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.1em;
  margin: 0 0 0.7rem;
  position: relative;
  z-index: 1;
}
[data-block="quote"] p {
  font-family: -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 0.95rem;
  color: rgba(255,255,255,0.6);
  margin: 0 0 1.8rem;
  position: relative;
  z-index: 1;
}
[data-block="quote"] > div {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}
[data-block="quote"] a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.8rem 2rem;
  border-radius: 8px;
  font-family: 'Noto Serif SC', serif;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-decoration: none;
  transition: all 0.3s;
}
[data-block="quote"] a:first-of-type {
  background: #B8996A;
  color: #fff;
}
[data-block="quote"] a:first-of-type:hover {
  background: #a8875a;
  transform: translateY(-1px);
}
[data-block="quote"] a:last-of-type {
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
}
[data-block="quote"] a:last-of-type:hover {
  background: rgba(255,255,255,0.08);
  transform: translateY(-1px);
}

/* ===== 桌面端强制隐藏汉堡按钮（sync 兜底） ===== */
/* 问题：sync 后 .header 的 nav-toggle 在桌面端未隐藏，与并排 nav 重复出现 */
/* 用 min-width 兜底，优先级高于 max-width 的 media query */
@media (min-width: 1025px) {
  .header .nav-toggle,
  .header [class*="nav-toggle"] {
    display: none !important;
  }
}

/* ===== 紧贴 fixed header：消除导航下方的空白区域 ===== */
/* 根因：page-hero / op-hero / pq-subnav 内联 CSS 都写了 margin-top: 92px 来撑开固定 header，
   但这个 margin 在 body 流里实际占了 92px 高度（body 背景是白色），造成视觉上的"白条"。
   修复：margin-top 归零 + padding-top 补到 100px（header 96px + 4px 呼吸距离），
   让内容紧贴 header 底边。
   对 pq-subnav 还要把 sticky top 从 92 改成 0，否则内容会跑到屏幕外 */
.page-hero,
.op-hero,
.solution-hero {
  margin-top: 0 !important;
  padding-top: 100px !important;
}
.pq-subnav {
  margin-top: 0 !important;
  padding-top: 100px !important;
  top: 0 !important;
}

/* ===== 共享兼容样式 site-compat（由各页内联 <style id="site-compat"> 合并，勿重复内联） ===== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
img,svg,video{max-width:100%;height:auto;vertical-align:middle}
a{-webkit-tap-highlight-color:transparent}
@supports not (gap: 1px){
.pq-topbar-left>*+*{margin-left:20px}
.pq-topbar-right>*+*{margin-left:20px}
.pq-topbar a>*+*{margin-left:4px}
.pq-logo>*+*{margin-left:10px}
.pq-nav>*+*{margin-left:2px}
.pq-header-cta a>*+*{margin-left:8px}
.pq-subnav-inner>*+*{margin-left:.6rem}
.pq-capsule>*+*{margin-left:.3rem}
.op-hero-cta>*+*{margin:.5rem}
}


/* ===== 共享页脚样式 pqf-style（由各页内联合并，全站统一 margin-top:0，勿重复内联） ===== */
.pqf{background:#2A2A2A;color:rgba(255,255,255,0.7);font-family:'Noto Serif SC',-apple-system,'Microsoft YaHei',sans-serif;padding:46px 0 22px;margin-top:0;}
.pqf-main{max-width:1200px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:1.7fr repeat(5,1fr);gap:26px;}
.pqf-brand .pqf-logo{display:flex;align-items:center;gap:8px;color:#fff;font-size:1.05rem;font-weight:600;margin-bottom:12px;}
.pqf-logo img{width:34px;height:34px;border-radius:5px;}
.pqf-brand p{font-size:.82rem;line-height:1.7;color:rgba(255,255,255,0.55);max-width:260px;margin:0;}
.pqf-contact{display:flex;align-items:center;gap:7px;font-size:.8rem;color:rgba(255,255,255,0.6);margin-top:12px;}
.pqf-contact svg{width:15px;height:15px;flex:none;opacity:.7;}
.pqf-col h4{color:#fff;font-size:.92rem;font-weight:600;margin:0 0 14px;letter-spacing:.03em;}
.pqf-col ul{list-style:none;margin:0;padding:0;}
.pqf-col li{margin-bottom:9px;}
.pqf-col a{color:rgba(255,255,255,0.62);text-decoration:none;font-size:.82rem;transition:color .25s;}
.pqf-col a:hover{color:#B8996A;}
.pqf-bottom{max-width:1200px;margin:28px auto 0;padding:18px 24px 0;border-top:1px solid rgba(255,255,255,0.1);font-size:.76rem;color:rgba(255,255,255,0.45);text-align:center;line-height:1.8;}
.pqf-bottom a{color:rgba(255,255,255,0.55);text-decoration:none;}
.pqf-bottom a:hover{color:#B8996A;}
@media(max-width:900px){
.pqf-main{grid-template-columns:1fr 1fr;gap:22px;}
.pqf-brand{grid-column:1/-1;}
}

/* ===== opsys 子站差异层（body.pq-opsys 作用域 · v35-j 单表架构） ===== */
/* 说明：根表已包含 opsys 全部独有选择器（.op-hero/.pq-subnav/.pq-topbar/.pqf/.page-hero 等），
   无需并入独有规则；此处仅恢复 opsys 与根表的 :root 变量及页脚差异。 */
body.pq-opsys {
  --gradient: linear-gradient(135deg, #2A2A2A 0%, #999999 100%);
  --gradient-text: linear-gradient(135deg, #3A3A3A 0%, #2A2A2A 100%);
}
body.pq-opsys .footer { background: var(--ink); }
body.pq-opsys .footer-contact-item svg { color: var(--sage-light); }
body.pq-opsys .footer-col ul li a:hover { color: var(--sage-light); }
body.pq-opsys .footer-bottom a { color: rgba(255,255,255,0.3); }
body.pq-opsys .footer-bottom a:hover { color: var(--sage-light); }