/*
Theme Name: 喜图文化
Theme URI: http://www.c2net.cn
Author: 喜图文化
Author URI: http://www.c2net.cn
Description: 喜图文化传播官方网站主题 — 集公关营销传播与MCN机构于一体的企业品牌官网
Version: 1.0.2
License: GPL v2 or later
Text Domain: xitu-culture
*/

/* ── CSS Design Tokens ── */

/* ── Keyframe Animations ── */
@keyframes heroGradientShift {
  0%   { background-position: 0% 50%; }
  25%  { background-position: 50% 0%; }
  50%  { background-position: 100% 50%; }
  75%  { background-position: 50% 100%; }
  100% { background-position: 0% 50%; }
}
@keyframes heroOrb1 {
  0%,100% { transform: translate(0,0) scale(1); }
  33%     { transform: translate(50px, -60px) scale(1.3); }
  66%     { transform: translate(-30px, -20px) scale(0.85); }
}
@keyframes heroOrb2 {
  0%,100% { transform: translate(0,0) scale(1); }
  33%     { transform: translate(-45px, -50px) scale(1.25); }
  66%     { transform: translate(25px, 15px) scale(0.9); }
}
@keyframes heroOrb3 {
  0%,100% { transform: translate(0,0) rotate(0deg) scale(1); }
  50%     { transform: translate(40px, -35px) rotate(8deg) scale(1.2); }
}
@keyframes heroFloatUp {
  from { opacity:0; transform:translateY(30px); }
  to   { opacity:1; transform:translateY(0); }
}
@keyframes heroFloatIn {
  from { opacity:0; transform:translateY(20px) scale(.95); }
  to   { opacity:1; transform:translateY(0) scale(1); }
}
@keyframes heroShimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@keyframes heroPulse {
  0%,100% { opacity: .6; transform: scale(1); }
  50%     { opacity: 1; transform: scale(1.08); }
}

:root {
  /* Primary — 品牌蓝 */
  --color-primary: #1a56db;
  --color-primary-hover: #1e40af;
  --color-primary-light: #dbeafe;
  --color-primary-dark: #1e3a8a;

  /* Accent — 金色点缀 */
  --color-accent: #c6a962;
  --color-accent-hover: #b8933f;

  /* Neutral */
  --color-text: #0f172a;
  --color-text-muted: #64748b;
  --color-text-light: #94a3b8;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-dark: #0f172a;
  --color-border: #e2e8f0;

  /* Typography */
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Type Scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.12);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
}

/* ── Reset ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ── Accessibility ── */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0);
  white-space: nowrap; border: 0;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
:focus:not(:focus-visible) { outline: none; }

.skip-link {
  position: absolute; top: -100%; left: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary); color: white;
  border-radius: var(--radius-sm); z-index: 10000; font-weight: 600;
}
.skip-link:focus { top: var(--space-2); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.15; font-weight: 700;
}
h1 { font-size: var(--text-5xl); font-weight: 800; }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

/* ── Container ── */
.container {
  width: 100%; max-width: 75rem;
  margin-inline: auto;
  padding-inline: var(--space-4);
}
@media (min-width: 768px) {
  .container { padding-inline: var(--space-8); }
}

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body); font-size: var(--text-base);
  font-weight: 600; line-height: 1;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer; text-decoration: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary); color: white;
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
}
.btn-outline {
  background: transparent; color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary); color: white;
}
.btn-white {
  background: white; color: var(--color-primary);
}
.btn-white:hover {
  background: var(--color-bg-alt); box-shadow: var(--shadow-lg);
}
.btn-ghost-light {
  background: transparent; color: white;
  border-color: rgba(255,255,255,0.3);
}
.btn-ghost-light:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.5);
}
.btn-lg { padding: 1rem 2rem; font-size: var(--text-lg); }
.btn-sm { padding: 0.5rem 1rem; font-size: var(--text-sm); }

/* ── Section Header ── */
.section-header {
  text-align: center; max-width: 40rem;
  margin-inline: auto; margin-bottom: var(--space-16);
}
.section-tag {
  display: inline-block;
  font-size: var(--text-sm); font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--color-primary); margin-bottom: var(--space-4);
}
.section-header h2 { margin-bottom: var(--space-4); }
.section-header p {
  color: var(--color-text-muted); font-size: var(--text-lg);
  line-height: 1.7;
}

/* ── Page Banner ── */
.page-banner {
  padding-block: calc(var(--space-24) + 80px) var(--space-16);
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: white; text-align: center;
}
.page-banner h1 { margin-bottom: var(--space-4); }
.page-banner p {
  font-size: var(--text-xl); opacity: 0.9; max-width: 36rem;
  margin-inline: auto;
}

/* ── Header ── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding-block: var(--space-4);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}
.site-header.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

.navbar {
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  display: flex; align-items: center; gap: var(--space-3);
  font-size: 1.1rem; font-weight: 700; color: var(--color-text);
  flex-shrink: 0;
}
.nav-logo img,
.nav-logo .custom-logo {
  height: 26px !important;
  width: auto !important;
  max-height: 26px;
  vertical-align: middle;
}

.nav-menu {
  display: none; gap: var(--space-8); align-items: center;
}
.nav-menu a {
  font-size: var(--text-sm); font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  position: relative;
}
.nav-menu a:hover, .nav-menu .current-menu-item a {
  color: var(--color-primary);
}
.nav-menu a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px; background: var(--color-primary);
  transition: width var(--transition-fast);
}
.nav-menu a:hover::after,
.nav-menu .current-menu-item a::after { width: 100%; }

.nav-cta { display: none; }

.nav-toggle {
  display: flex; flex-direction: column; gap: 5px;
  padding: var(--space-2); background: none; border: none;
  cursor: pointer;
}
.nav-toggle-bar {
  display: block; width: 24px; height: 2px;
  background: var(--color-text); border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

body.menu-open .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
body.menu-open .nav-toggle-bar:nth-child(2) { opacity: 0; }
body.menu-open .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.mobile-menu {
  display: none; position: fixed; top: 72px; left: 0; right: 0; bottom: 0;
  background: var(--color-bg); padding: var(--space-8);
  z-index: 999; flex-direction: column; gap: var(--space-6);
}
body.menu-open .mobile-menu { display: flex; }
.mobile-menu a {
  font-size: var(--text-lg); font-weight: 500;
  color: var(--color-text); padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
}

@media (min-width: 768px) {
  .nav-menu { display: flex; }
  .nav-cta { display: inline-flex; }
  .nav-toggle { display: none; }
}

/* ── Footer ── */
.site-footer {
  background: var(--color-bg-dark); color: rgba(255,255,255,0.7);
  padding-block: var(--space-16) var(--space-8);
}
.footer-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--space-8); margin-bottom: var(--space-12);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand p {
  margin-top: var(--space-4); max-width: 20rem; line-height: 1.7;
}
.footer-links h4 {
  color: white; font-size: var(--text-sm); font-weight: 600;
  margin-bottom: var(--space-4);
}
.footer-links ul { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-links a {
  color: rgba(255,255,255,0.5); font-size: var(--text-sm);
  transition: color var(--transition-fast);
}
.footer-links a:hover { color: white; }
.footer-bottom {
  display: flex; flex-direction: column; gap: var(--space-4);
  align-items: center; text-align: center; font-size: var(--text-sm);
}
.footer-legal { display: flex; gap: var(--space-6); }
.footer-legal a { color: rgba(255,255,255,0.4); transition: color var(--transition-fast); }
.footer-legal a:hover { color: white; }
.footer-contact-item { display: flex; align-items: center; gap: var(--space-2); margin-bottom: var(--space-2); }

@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
  .footer-bottom { flex-direction: row; justify-content: space-between; }
}

/* ── Hero ── */
.hero {
  padding-block-start: calc(var(--space-32) + 80px);
  padding-block-end: var(--space-24);
  background: linear-gradient(135deg, #bfdbfe 0%, #dbeafe 20%, #ede9fe 45%, #fef3c7 65%, #dbeafe 85%, var(--color-bg) 100%);
  background-size: 400% 400%;
  animation: heroGradientShift 15s ease-in-out infinite;
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -35%; right: -15%;
  width: 800px; height: 800px;
  background: radial-gradient(circle at 40% 40%, rgba(26,86,219,0.18) 0%, rgba(99,102,241,0.10) 30%, rgba(168,85,247,0.04) 55%, transparent 70%);
  border-radius: 50%; filter: blur(40px);
  animation: heroPulse 6s ease-in-out infinite;
}
.hero::after {
  content: ''; position: absolute; bottom: -20%; left: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle at 60% 60%, rgba(245,158,11,0.12) 0%, rgba(251,191,36,0.06) 35%, transparent 70%);
  border-radius: 50%; filter: blur(50px);
  animation: heroPulse 7s ease-in-out 1.5s infinite;
}

/* 浮动装饰光球 */
.hero-orb {
  position: absolute; border-radius: 50%; z-index: 0; pointer-events: none;
  will-change: transform;
}
.hero-orb-1 {
  top: 10%; right: 20%;
  width: 260px; height: 260px;
  background: radial-gradient(circle at 35% 35%, rgba(26,86,219,.18) 0%, rgba(59,130,246,.08) 40%, transparent 70%);
  filter: blur(60px);
  animation: heroOrb1 10s ease-in-out infinite;
}
.hero-orb-2 {
  top: 40%; left: -5%;
  width: 220px; height: 220px;
  background: radial-gradient(circle at 50% 50%, rgba(139,92,246,.16) 0%, rgba(167,139,250,.06) 40%, transparent 70%);
  filter: blur(50px);
  animation: heroOrb2 9s ease-in-out .8s infinite;
}
.hero-orb-3 {
  bottom: 15%; right: 5%;
  width: 200px; height: 200px;
  background: radial-gradient(circle at 40% 40%, rgba(245,158,11,.14) 0%, rgba(251,191,36,.06) 35%, transparent 70%);
  filter: blur(45px);
  animation: heroOrb3 11s ease-in-out 1.5s infinite;
}

.hero-grid {
  display: grid; grid-template-columns: 1fr; gap: var(--space-12);
  align-items: center; position: relative; z-index: 1;
}

/* Hero 文字入场动画 */
.hero-content h1 {
  margin-bottom: var(--space-6); line-height: 1.1;
  animation: heroFloatUp 1s cubic-bezier(.25,.46,.45,.94) both;
}
.hero-content h1 .highlight {
  background: linear-gradient(135deg, var(--color-primary), #7c3aed);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: var(--text-xl); color: var(--color-text-muted);
  max-width: 36rem; margin-bottom: var(--space-8); line-height: 1.7;
  animation: heroFloatUp 1s cubic-bezier(.25,.46,.45,.94) .15s both;
}
.hero-actions {
  display: flex; flex-wrap: wrap; gap: var(--space-4);
  animation: heroFloatUp 1s cubic-bezier(.25,.46,.45,.94) .3s both;
}
.hero-visual {
  display: flex; justify-content: center; align-items: center;
  animation: heroFloatIn 1s cubic-bezier(.25,.46,.45,.94) .2s both;
}
.hero-visual-img {
  max-width: 100%; height: auto;
  border-radius: var(--radius-xl);
}
.hero-stats-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4); margin-top: var(--space-10);
  padding-top: var(--space-8); border-top: 1px solid var(--color-border);
  animation: heroFloatUp 1s cubic-bezier(.25,.46,.45,.94) .45s both;
}
.hero-stat-number { font-size: var(--text-2xl); font-weight: 800; color: var(--color-primary); }
.hero-stat-label { font-size: var(--text-sm); color: var(--color-text-muted); margin-top: var(--space-1); }

/* Hero 文字渐变闪烁 */
.hero-content h1 .highlight {
  background: linear-gradient(135deg, var(--color-primary), #7c3aed, #c6a962, var(--color-primary));
  background-size: 300% 300%;
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: heroGradientShift 4s ease infinite;
}

/* 按钮微动效 */
.hero-actions .btn {
  transition: transform .25s cubic-bezier(.34,1.56,.64,1), box-shadow .25s ease;
}
.hero-actions .btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(26,86,219,.2);
}

@media (min-width: 768px) {
  .hero-grid { grid-template-columns: 1fr 1fr; }
}

/* ── Scroll Reveal（滚动揭示）─── */
[data-reveal] {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity .7s cubic-bezier(.25,.46,.45,.94),
              transform .7s cubic-bezier(.25,.46,.45,.94);
}
[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal="fade-left"] { transform: translateX(-36px); }
[data-reveal="fade-left"].revealed { transform: translateX(0); }
[data-reveal="fade-right"] { transform: translateX(36px); }
[data-reveal="fade-right"].revealed { transform: translateX(0); }
[data-reveal="scale-in"] { transform: scale(.9); }
[data-reveal="scale-in"].revealed { transform: scale(1); }

/* ── Trust Bar ── */
.trust-bar {
  padding-block: var(--space-12);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}
.trust-label {
  text-align: center; font-size: var(--text-sm); font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--color-text-light); margin-bottom: var(--space-8);
}
.trust-logos {
  display: flex; justify-content: center; align-items: center;
  flex-wrap: wrap; gap: var(--space-8) var(--space-12);
}
.trust-logo-item {
  font-size: var(--text-lg); font-weight: 600;
  color: var(--color-text-light); opacity: 0.5;
  transition: opacity var(--transition-fast);
}
.trust-logo-item:hover { opacity: 0.8; }

/* ── About Section ── */
.about-section { padding-block: var(--space-24); }
.about-grid {
  display: grid; grid-template-columns: 1fr; gap: var(--space-12);
  align-items: center;
}
.about-content h2 { margin-bottom: var(--space-6); }
.about-content p {
  color: var(--color-text-muted); line-height: 1.8;
  margin-bottom: var(--space-4);
}
.about-features {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--space-4); margin-top: var(--space-8);
}
.about-feature {
  display: flex; align-items: flex-start; gap: var(--space-3);
}
.about-feature-icon {
  width: 24px; height: 24px; flex-shrink: 0;
  color: var(--color-primary); margin-top: 2px;
}
.about-feature-text { font-weight: 500; font-size: var(--text-sm); }

.about-visual {
  position: relative;
}
.about-image-placeholder {
  width: 100%; aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-bg-alt));
  border-radius: var(--radius-xl);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-primary); font-weight: 600;
}
.about-visual-img {
  max-width: 100%; height: auto;
  border-radius: var(--radius-xl);
}

@media (min-width: 768px) {
  .about-grid { grid-template-columns: 1fr 1fr; }
}

/* ── Services ── */
.services-section {
  padding-block: var(--space-24);
  background: var(--color-bg-alt);
}
.services-grid {
  display: grid; grid-template-columns: 1fr; gap: var(--space-8);
}
.service-card {
  background: var(--color-bg); padding: var(--space-10);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  position: relative; overflow: hidden;
}
.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), #7c3aed);
}
.service-icon {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: var(--color-primary-light); color: var(--color-primary);
  border-radius: var(--radius-lg); margin-bottom: var(--space-6);
  font-size: 1.5rem;
}
.service-card h3 { margin-bottom: var(--space-3); }
.service-card p {
  color: var(--color-text-muted); line-height: 1.7;
  margin-bottom: var(--space-4);
}
.service-tags {
  display: flex; flex-wrap: wrap; gap: var(--space-2);
  margin-bottom: var(--space-4);
}
.service-tag {
  font-size: var(--text-xs); padding: 0.25rem 0.75rem;
  background: var(--color-bg-alt); color: var(--color-text-muted);
  border-radius: 100px;
}
.service-link {
  font-size: var(--text-sm); font-weight: 600;
  color: var(--color-primary);
  display: inline-flex; align-items: center; gap: var(--space-1);
  transition: color var(--transition-fast);
}
.service-link:hover { color: var(--color-primary-hover); }

@media (min-width: 768px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ── MCN Stats ── */
.mcn-stats {
  padding-block: var(--space-20);
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: white;
}
.mcn-stats-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8); text-align: center;
}
.mcn-stat-number {
  display: block; font-family: var(--font-heading);
  font-size: var(--text-4xl); font-weight: 800; line-height: 1;
}
.mcn-stat-suffix { font-size: var(--text-2xl); }
.mcn-stat-label { font-size: var(--text-lg); opacity: 0.8; margin-top: var(--space-2); }
.mcn-platforms {
  display: flex; justify-content: center; flex-wrap: wrap;
  gap: var(--space-4) var(--space-8); margin-top: var(--space-12);
  padding-top: var(--space-10);
  border-top: 1px solid rgba(255,255,255,0.15);
}
.mcn-platform {
  display: flex; align-items: center; gap: var(--space-2);
  opacity: 0.85; font-size: var(--text-sm);
}
.mcn-platform-badge {
  background: rgba(255,255,255,0.2); padding: 0.35rem 0.75rem;
  border-radius: 100px; font-weight: 600; font-size: var(--text-xs);
  letter-spacing: 0.05em;
}

@media (min-width: 768px) {
  .mcn-stats-grid { grid-template-columns: repeat(4, 1fr); }
  .mcn-stat-number { font-size: var(--text-5xl); }
}

/* ── Cases Section ── */
.cases-section { padding-block: var(--space-24); }
.cases-grid {
  display: grid; grid-template-columns: 1fr; gap: var(--space-6);
}
.case-card {
  border-radius: var(--radius-xl); overflow: hidden;
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  cursor: pointer;
}
.case-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.case-image {
  width: 100%; height: 120px;
  overflow: hidden;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}
.case-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
}
.case-body { padding: var(--space-6); }
.case-body h3 { font-size: var(--text-lg); margin-bottom: var(--space-2); }
.case-client { font-size: var(--text-sm); color: var(--color-primary); font-weight: 600; margin-bottom: var(--space-2); }
.case-body p { color: var(--color-text-muted); font-size: var(--text-sm); line-height: 1.6; }
.case-tag {
  display: inline-block; font-size: var(--text-xs); padding: 0.2rem 0.6rem;
  background: var(--color-primary-light); color: var(--color-primary);
  border-radius: 100px; font-weight: 600; margin-top: var(--space-3);
}

@media (min-width: 640px) {
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .cases-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ── Clients Section ── */
.clients-section {
  padding-block: var(--space-20);
  background: var(--color-bg-alt);
}
.clients-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.client-card {
  text-align: center; padding: var(--space-6);
  background: var(--color-bg); border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base);
}
.client-card:hover { box-shadow: var(--shadow-md); }
.client-card span {
  font-size: var(--text-base); font-weight: 600; color: var(--color-text);
}

@media (min-width: 640px) {
  .clients-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (min-width: 1024px) {
  .clients-grid { grid-template-columns: repeat(6, 1fr); }
}

/* ── CTA ── */
.cta-section {
  padding-block: var(--space-24);
  background: var(--color-bg);
}
.cta-card {
  text-align: center; padding: var(--space-16) var(--space-8);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white; border-radius: var(--radius-2xl);
}
.cta-card h2 { margin-bottom: var(--space-4); }
.cta-card p {
  font-size: var(--text-xl); opacity: 0.9;
  margin-bottom: var(--space-8); max-width: 36rem; margin-inline: auto;
}
.cta-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: var(--space-4); }

/* ── Page Content ── */
.page-content { padding-block: var(--space-16); }
.page-content .container { max-width: 48rem; }
.page-content .container.wide { max-width: 75rem; }
.page-content h2 { margin: var(--space-12) 0 var(--space-4); }
.page-content h3 { margin: var(--space-8) 0 var(--space-3); }
.page-content p {
  color: var(--color-text-muted); line-height: 1.8;
  margin-bottom: var(--space-4);
}

/* ── Contact Page ── */
.contact-grid {
  display: grid; grid-template-columns: 1fr; gap: var(--space-12);
}
.contact-info h2 { margin-bottom: var(--space-6); }
.contact-info-item {
  display: flex; align-items: flex-start; gap: var(--space-4);
  margin-bottom: var(--space-6);
}
.contact-info-icon {
  width: 48px; height: 48px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--color-primary-light); color: var(--color-primary);
  border-radius: var(--radius-md);
}
.contact-info-item h4 { font-size: var(--text-base); margin-bottom: var(--space-1); }
.contact-info-item p { color: var(--color-text-muted); font-size: var(--text-sm); }

.contact-form {
  background: var(--color-bg-alt); padding: var(--space-8);
  border-radius: var(--radius-xl); border: 1px solid var(--color-border);
}
.contact-form h3 { margin-bottom: var(--space-6); }
.form-group { margin-bottom: var(--space-5); }
.form-group label {
  display: block; font-size: var(--text-sm); font-weight: 500;
  margin-bottom: var(--space-2); color: var(--color-text);
}
.form-group input, .form-group textarea {
  width: 100%; padding: 0.75rem 1rem;
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  font-family: var(--font-body); font-size: var(--text-base);
  color: var(--color-text); background: var(--color-bg);
  transition: border-color var(--transition-fast);
}
.form-group input:focus, .form-group textarea:focus {
  outline: none; border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}
.form-group textarea { min-height: 120px; resize: vertical; }

@media (min-width: 768px) {
  .contact-grid { grid-template-columns: 1fr 1fr; }
}

/* ── Responsive ── */
@media (max-width: 767px) {
  h1 { font-size: var(--text-3xl) !important; }
  h2 { font-size: var(--text-2xl); }
  .hero-subtitle { font-size: var(--text-lg); }
  .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .mcn-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .page-banner { padding-block-start: calc(var(--space-16) + 80px); }
  .page-banner h1 { font-size: var(--text-2xl) !important; }
}

@media (min-width: 1280px) {
  h1 { font-size: 4rem; }
}

/* ==================== 资讯动态 — 首页模块 ==================== */
.news-section {
  padding: var(--space-16) 0 var(--space-20);
  background: #fafbfc;
}
.news-front-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: var(--space-10);
}
.news-front-card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #eee;
  transition: transform .25s ease, box-shadow .25s ease;
}
.news-front-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,.08);
}
.news-front-image {
  display: block;
  height: 180px;
  overflow: hidden;
  position: relative;
  background: #f5f5f5;
}
.news-front-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.news-front-card:hover .news-front-thumb { transform: scale(1.05); }
.news-front-date {
  position: absolute;
  bottom: 10px;
  left: 12px;
  padding: 3px 12px;
  border-radius: 4px;
  background: rgba(0,0,0,.65);
  color: #fff;
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .5px;
}
.news-front-thumb-placeholder {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  background: linear-gradient(135deg, #f0f4ff, #e8f0fe);
}
.news-front-body {
  padding: 16px 18px 20px;
}
.news-front-cat {
  display: inline-block;
  font-size: .72rem;
  padding: 2px 10px;
  border-radius: 20px;
  background: #e8f0fe;
  color: #1677ff;
  font-weight: 500;
  margin-bottom: 6px;
}
.news-front-title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 6px;
}
.news-front-title a {
  color: #1a1a2e;
  text-decoration: none;
}
.news-front-title a:hover { color: #1677ff; }
.news-front-excerpt {
  font-size: .83rem;
  color: #888;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-front-cta {
  text-align: center;
  margin-top: var(--space-10);
}
.news-front-empty {
  grid-column: 1 / -1;
  text-align: center;
  color: #aaa;
  padding: 40px 0;
}

@media (max-width: 900px) {
  .news-front-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .news-front-grid { grid-template-columns: 1fr; }
}