/* ==========================================================
   禁漫天堂网页 — 设计系统
   风格：柔光新粗野主义 / Soft Neo-Brutalism
   底色：米粉白 #faf6f0 + 薄荷青 + 珊瑚橙
   ========================================================== */

/* 基础重置 */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
body { font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif; overflow-x:hidden; }

body {
  background: #faf6f0;
  color: #1c1a2e;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: #1c1a2e;
}

a { color: inherit; }
img { display: block; max-width: 100%; }
ul { list-style: none; }

/* 核心布局 */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; }
.section:nth-child(even) { background:#f8f9fa; }

.section:nth-child(odd) {
  background:
    radial-gradient(circle at 8% 12%, rgba(110, 231, 183, 0.22), transparent 40%),
    radial-gradient(circle at 92% 85%, rgba(255, 138, 116, 0.18), transparent 42%),
    #faf6f0;
}

.section:nth-child(even) {
  background: #f0eeff;
  border-top: 2px dashed rgba(95, 75, 189, 0.18);
  border-bottom: 2px dashed rgba(95, 75, 189, 0.18);
}

/* 导航 — 固定顶部 */
.site-header { position:fixed; top:0; left:0; width:100%; z-index:1000; background:rgba(255,255,255,0.95); backdrop-filter:blur(10px); border-bottom:1px solid #eee; }

.site-header {
  background: rgba(250, 246, 240, 0.82);
  backdrop-filter: blur(16px) saturate(1.6);
  -webkit-backdrop-filter: blur(16px) saturate(1.6);
  border-bottom: 2px solid #1c1a2e;
  box-shadow: 0 6px 0 -4px rgba(255, 138, 116, 0.65);
}

.header-inner { display:flex; align-items:center; justify-content:space-between; height:68px; max-width:1200px; margin:0 auto; padding:0 24px; }

.logo { display:flex; align-items:center; gap:8px; font-weight:700; font-size:1.2rem; text-decoration:none; color:inherit; }

.logo {
  font-weight: 900;
  letter-spacing: -0.03em;
  font-size: 1.25rem;
  color: #1c1a2e;
  transition: transform .25s cubic-bezier(.34,1.56,.64,1);
}
.logo:hover { transform: rotate(-2deg) scale(1.04); }

.logo-icon { width:36px; height:36px; border-radius:8px; display:flex; align-items:center; justify-content:center; font-size:1rem; }

.logo-icon {
  background: linear-gradient(135deg, #6ee7b7, #5f4bbd 55%, #ff8a74);
  border: 2px solid #1c1a2e;
  border-radius: 12px;
  color: #fff;
  font-weight: 900;
  box-shadow: 3px 3px 0 #1c1a2e;
}

.main-nav { display:flex; align-items:center; gap:24px; list-style:none; }

.main-nav a {
  position: relative;
  text-decoration:none;
  font-size:0.9rem;
  font-weight:600;
  transition:0.2s;
  color: #2c2940;
  padding: 6px 2px;
}
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 3px;
  background: #ff8a74;
  border-radius: 3px;
  transition: width .3s cubic-bezier(.65,0,.35,1);
}
.main-nav a:hover { color: #5f4bbd; }
.main-nav a:hover::after { width: 100%; }

.nav-cta { padding:8px 20px; border-radius:8px; color:#fff!important; font-weight:600; }

.nav-cta {
  background: #5f4bbd;
  border: 2px solid #1c1a2e;
  border-radius: 999px;
  box-shadow: 3px 3px 0 #1c1a2e;
  transition: transform .18s, box-shadow .18s;
}
.nav-cta:hover {
  transform: translate(-2px,-2px);
  box-shadow: 5px 5px 0 #1c1a2e;
  background: #6f5ad0;
}
.nav-cta:active { transform: translate(2px,2px); box-shadow: 0 0 0 #1c1a2e; }

.menu-toggle { display:none; }

.menu-toggle {
  width: 42px; height: 42px;
  border: 2px solid #1c1a2e;
  border-radius: 12px;
  background: #ffe9a8;
  box-shadow: 3px 3px 0 #1c1a2e;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-direction: column;
  gap: 4px;
}
.menu-toggle span {
  display: block;
  width: 18px; height: 2.5px;
  background: #1c1a2e;
  border-radius: 2px;
}

/* 首页Hero */
.hero { min-height:70vh; display:flex; align-items:center; }

.hero {
  position: relative;
  padding: 148px 0 96px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 480px 320px at 88% 18%, rgba(110,231,183,.38), transparent 65%),
    radial-gradient(ellipse 420px 300px at 6% 78%, rgba(255,138,116,.30), transparent 62%),
    #faf6f0;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(rgba(95,75,189,.16) 1.5px, transparent 1.5px);
  background-size: 28px 28px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 78%);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 78%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 2; }

.hero-content { max-width:720px; }

.hero-eyebrow { display:inline-block; font-size:0.85rem; font-weight:600; padding:4px 14px; border-radius:20px; margin-bottom:16px; }

.hero-eyebrow {
  background: #ffe9a8;
  border: 2px solid #1c1a2e;
  border-radius: 999px;
  padding: 6px 18px;
  font-weight: 800;
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #1c1a2e;
  box-shadow: 3px 3px 0 rgba(28,26,46,.85);
  animation: eyebrowFloat 4.5s ease-in-out infinite;
}
@keyframes eyebrowFloat {
  0%,100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-6px) rotate(1deg); }
}

.hero h1 { font-size:2.8rem; line-height:1.2; margin-bottom:20px; }

.hero h1 {
  font-size: clamp(2.2rem, 5.4vw, 3.6rem);
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 1.1;
  margin: 18px 0 22px;
  color: #1c1a2e;
}
.hero h1 em {
  font-style: normal;
  color: #5f4bbd;
  position: relative;
  white-space: nowrap;
}
.hero h1 em::after {
  content: '';
  position: absolute;
  left: -2px; right: -2px; bottom: 6px;
  height: 12px;
  background: rgba(110,231,183,.55);
  z-index: -1;
  border-radius: 3px;
  transform: rotate(-1deg);
}

.hero p { font-size:1.1rem; opacity:0.7; max-width:560px; margin-bottom:32px; }

.hero p {
  font-size: 1.08rem;
  color: #4a4660;
  opacity: 1;
  max-width: 540px;
  line-height: 1.8;
  margin-bottom: 34px;
}

.hero-buttons { display:flex; gap:14px; flex-wrap: wrap; }

.hero-image { border-radius:12px; overflow:hidden; }

.hero-image {
  margin-top: 56px;
  border: 2.5px solid #1c1a2e;
  border-radius: 22px;
  box-shadow: 10px 10px 0 #1c1a2e;
  background: #fff;
  position: relative;
  overflow: hidden;
  transform: rotate(-0.6deg);
  transition: transform .5s cubic-bezier(.34,1.56,.64,1), box-shadow .5s;
}
.hero-image:hover {
  transform: rotate(0deg) translateY(-6px);
  box-shadow: 14px 16px 0 #1c1a2e;
}
.hero-image img { width:100%; height:auto; }

/* 按钮 */
.btn { display:inline-flex; align-items:center; gap:8px; padding:12px 28px; border-radius:8px; font-weight:600; cursor:pointer; border:none; text-decoration:none; transition:0.2s; }

.btn {
  padding: 14px 30px;
  border-radius: 999px;
  font-weight: 800;
  font-size: .95rem;
  letter-spacing: .01em;
  border: 2.5px solid #1c1a2e;
  transition: transform .18s cubic-bezier(.34,1.56,.64,1), box-shadow .18s, background .2s;
  will-change: transform;
}

.btn-primary { color:#fff; }

.btn-primary {
  background: #ff8a74;
  color: #1c1a2e;
  box-shadow: 5px 5px 0 #1c1a2e;
}
.btn-primary:hover {
  background: #ffa08d;
  transform: translate(-3px,-3px);
  box-shadow: 8px 8px 0 #1c1a2e;
}
.btn-primary:active {
  transform: translate(2px,2px);
  box-shadow: 1px 1px 0 #1c1a2e;
}

.btn-outline { background:transparent; border:1.5px solid; }

.btn-outline {
  background: #fff;
  border: 2.5px solid #1c1a2e;
  color: #1c1a2e;
  box-shadow: 5px 5px 0 rgba(95,75,189,.35);
}
.btn-outline:hover {
  background: #e6fff5;
  transform: translate(-3px,-3px);
  box-shadow: 8px 8px 0 rgba(95,75,189,.45);
}
.btn-outline:active {
  transform: translate(2px,2px);
  box-shadow: 1px 1px 0 rgba(95,75,189,.35);
}

/* 标签/标题 */
.section-label { display:inline-block; font-size:0.8rem; font-weight:600; letter-spacing:2px; margin-bottom:12px; }

.section-label {
  background: #6ee7b7;
  color: #0d3d2b;
  border: 2px solid #1c1a2e;
  border-radius: 999px;
  padding: 5px 16px;
  font-weight: 800;
  font-size: .76rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  box-shadow: 3px 3px 0 rgba(28,26,46,.85);
}

.section-title { font-size:2rem; margin-bottom:14px; }

.section-title {
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  font-weight: 900;
  letter-spacing: -0.035em;
  color: #1c1a2e;
  margin-bottom: 16px;
}
.section-title::after {
  content: '';
  display: block;
  width: 64px;
  height: 6px;
  margin-top: 14px;
  border-radius: 4px;
  background: linear-gradient(90deg, #ff8a74, #5f4bbd 60%, #6ee7b7);
}

.section-desc { max-width:600px; opacity:0.7; margin-bottom:40px; }
.section-desc {
  opacity: 1;
  color: #4a4660;
  font-size: 1.02rem;
  line-height: 1.85;
  margin-bottom: 44px;
}

.section .text-center .section-title::after,
.section-title.text-center::after { margin-left: auto; margin-right: auto; }

/* 卡片网格 */
.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:24px; }
.cards-grid { gap: 26px; }

.category-card { border-radius:12px; padding:28px; border:1px solid #eee; transition:0.2s; }

.category-card {
  position: relative;
  background: #fff;
  border: 2.5px solid #1c1a2e;
  border-radius: 20px;
  padding: 30px 26px;
  box-shadow: 6px 6px 0 rgba(28,26,46,.9);
  transition: transform .28s cubic-bezier(.34,1.56,.64,1), box-shadow .28s, background .28s;
  overflow: hidden;
}
.category-card::before {
  content: '';
  position: absolute;
  top: -46px; right: -46px;
  width: 110px; height: 110px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(110,231,183,.45), transparent 70%);
  transition: transform .5s;
}
.category-card:nth-child(3n+2)::before { background: radial-gradient(circle, rgba(255,138,116,.42), transparent 70%); }
.category-card:nth-child(3n)::before { background: radial-gradient(circle, rgba(95,75,189,.30), transparent 70%); }
.category-card:hover { transform:translateY(-3px); box-shadow:0 4px 16px rgba(0,0,0,0.1); }

.category-card:hover {
  transform: translate(-4px,-6px) rotate(-.5deg);
  box-shadow: 11px 12px 0 rgba(28,26,46,.95);
  background: #fffdf8;
}
.category-card:hover::before { transform: scale(1.35); }

.card-icon { width:48px; height:48px; border-radius:10px; display:flex; align-items:center; justify-content:center; margin-bottom:16px; font-size:1.3rem; }

.card-icon {
  width: 54px; height: 54px;
  border-radius: 16px;
  border: 2px solid #1c1a2e;
  background: #e6fff5;
  color: #0d3d2b;
  font-size: 1.35rem;
  box-shadow: 3px 3px 0 #1c1a2e;
  margin-bottom: 18px;
}
.category-card:nth-child(3n+2) .card-icon { background: #ffe9a8; color: #6b4a00; }
.category-card:nth-child(3n) .card-icon { background: #ebe6ff; color: #3d2f8f; }

.category-card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.category-card p {
  font-size: .92rem;
  color: #5b5774;
  line-height: 1.7;
  margin-bottom: 18px;
}

.card-link { font-weight:600; font-size:0.85rem; text-decoration:none; }

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 800;
  font-size: .82rem;
  letter-spacing: .04em;
  color: #5f4bbd;
  border-bottom: 2.5px solid transparent;
  padding-bottom: 1px;
  transition: gap .25s, border-color .25s, color .2s;
}
.card-link::after { content: '→'; transition: transform .25s; }
.card-link:hover {
  color: #ff6b52;
  border-color: #ff6b52;
  gap: 10px;
}
.card-link:hover::after { transform: translateX(2px); }

/* 特性块 */
.feature-block { display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }

.feature-image { border-radius:12px; overflow:hidden; }

.feature-image {
  border: 2.5px solid #1c1a2e;
  border-radius: 24px;
  box-shadow: 9px 9px 0 #5f4bbd;
  background: #fff;
  transition: transform .45s cubic-bezier(.34,1.56,.64,1), box-shadow .45s;
  transform: rotate(1deg);
}
.feature-image:hover {
  transform: rotate(-1deg) translateY(-5px);
  box-shadow: 13px 13px 0 #5f4bbd;
}
.feature-image img { width:100%; height:auto; }

.feature-text { }
.feature-text .section-title { margin-bottom: 20px; }
.feature-text p { color: #4a4660; line-height: 1.85; margin-bottom: 22px; }

.feature-list { list-style:none; }

.feature-list li { padding:6px 0; display:flex; align-items:center; gap:8px; }

.feature-list li {
  padding: 9px 0;
  font-weight: 600;
  color: #2c2940;
  font-size: .96rem;
  gap: 12px;
}
.feature-list li::before { content:'✓'; font-weight:700; }

.feature-list li::before {
  flex-shrink: 0;
  width: 26px; height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #6ee7b7;
  color: #0d3d2b;
  border: 2px solid #1c1a2e;
  border-radius: 50%;
  font-size: .8rem;
  font-weight: 900;
  box-shadow: 2px 2px 0 #1c1a2e;
}

/* 数据条 */
.stats-bar { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; text-align:center; }
.stats-bar { gap: 22px; }

.stat-item { padding:24px; border-radius:12px; border:1px solid #eee; }

.stat-item {
  background: #fff;
  border: 2.5px solid #1c1a2e;
  border-radius: 20px;
  padding: 30px 18px;
  box-shadow: 5px 5px 0 rgba(28,26,46,.85);
  transition: transform .25s cubic-bezier(.34,1.56,.64,1), box-shadow .25s;
}
.stat-item:nth-child(2n) { background: #f3f0ff; }
.stat-item:nth-child(3n) { background: #fff6e0; }
.stat-item:hover {
  transform: translateY(-6px) rotate(-1deg);
  box-shadow: 8px 10px 0 rgba(28,26,46,.9);
}

.stat-number { font-size:2.2rem; font-weight:800; }

.stat-number {
  font-size: clamp(1.9rem, 3.6vw, 2.6rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  color: #5f4bbd;
  line-height: 1;
}
.stat-item:nth-child(3n) .stat-number { color: #ff6b52; }
.stat-item:nth-child(2n) .stat-number { color: #0d8a63; }

.stat-label { font-size:0.9rem; opacity:0.6; margin-top:6px; }
.stat-label {
  opacity: 1;
  color: #635f7a;
  font-size: .86rem;
  font-weight: 600;
  letter-spacing: .04em;
  margin-top: 10px;
}

/* 内容墙 */
.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:24px; }
.content-wall { gap: 26px; }

.content-wall-item { border-radius:12px; overflow:hidden; border:1px solid #eee; transition:0.2s; }

.content-wall-item {
  background: #fff;
  border: 2.5px solid #1c1a2e;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 6px 6px 0 rgba(28,26,46,.85);
  transition: transform .3s cubic-bezier(.34,1.56,.64,1), box-shadow .3s;
}
.content-wall-item:hover { transform:translateY(-3px); box-shadow:0 4px 16px rgba(0,0,0,0.1); }

.content-wall-item:hover {
  transform: translateY(-8px) rotate(.6deg);
  box-shadow: 10px 14px 0 rgba(28,26,46,.9);
}
.content-wall-item img { width:100%; height:200px; object-fit:cover; }
.content-wall-item img {
  border-bottom: 2.5px solid #1c1a2e;
  transition: filter .35s;
}
.content-wall-item:hover img { filter: saturate(1.15) contrast(1.03); }

.content-wall-body { padding:20px; }
.content-wall-body { padding: 22px 22px 26px; }
.content-wall-body h3 {
  font-size: 1.08rem;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.content-wall-body p {
  font-size: .9rem;
  color: #5b5774;
  line-height: 1.72;
}

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }

.faq-item { border:1px solid #eee; border-radius:10px; margin-bottom:8px; overflow:hidden; cursor:pointer; }

.faq-item {
  background: #fff;
  border: 2.5px solid #1c1a2e;
  border-radius: 16px;
  margin-bottom: 12px;
  box-shadow: 4px 4px 0 rgba(28,26,46,.85);
  transition: box-shadow .25s, transform .25s;
}
.faq-item:hover { transform: translate(-2px,-2px); box-shadow: 6px 6px 0 rgba(28,26,46,.9); }
.faq-item.open { background: #fffdf6; }

.faq-item .faq-question { padding:16px 20px; font-weight:600; display:flex; justify-content:space-between; }

.faq-item .faq-question {
  padding: 19px 24px;
  font-weight: 800;
  font-size: .98rem;
  letter-spacing: -0.01em;
  align-items: center;
  gap: 14px;
}
.faq-item .faq-question::after {
  content: '+';
  flex-shrink: 0;
  width: 28px; height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #ebe6ff;
  border: 2px solid #1c1a2e;
  border-radius: 50%;
  font-weight: 900;
  font-size: 1rem;
  color: #5f4bbd;
  transition: transform .3s, background .3s;
}
.faq-item.open .faq-question::after {
  transform: rotate(135deg);
  background: #ff8a74;
  color: #1c1a2e;
}

.faq-item .faq-answer { padding:0 20px 16px; display:none; opacity:0.7; }
.faq-item .faq-answer {
  padding: 0 24px 22px;
  opacity: 1;
  color: #55516e;
  line-height: 1.85;
  font-size: .94rem;
  border-top: 1.5px dashed rgba(95,75,189,.3);
  margin-top: 4px;
  padding-top: 16px;
}
.faq-item.open .faq-answer { display:block; animation: fadeUp .35s ease both; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* CTA横幅 */
.cta-banner { padding:56px 24px; text-align:center; border-radius:12px; color:#fff; }

.cta-banner {
  position: relative;
  border: 3px solid #1c1a2e;
  border-radius: 28px;
  padding: 66px 32px;
  color: #1c1a2e;
  background:
    radial-gradient(circle at 12% 20%, rgba(110,231,183,.75), transparent 45%),
    radial-gradient(circle at 88% 78%, rgba(255,138,116,.75), transparent 48%),
    #ffe9a8;
  box-shadow: 10px 10px 0 #1c1a2e;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(28,26,46,.14) 1.6px, transparent 1.6px);
  background-size: 22px 22px;
  pointer-events: none;
}

.cta-banner h2 { color:#fff; }
.cta-banner h2 {
  color: #1c1a2e;
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  font-weight: 900;
  letter-spacing: -0.035em;
  margin-bottom: 14px;
  position: relative;
  z-index: 2;
}
.cta-banner p {
  color: #3b374f;
  max-width: 520px;
  margin: 0 auto 32px;
  position: relative;
  z-index: 2;
  line-height: 1.8;
}

.cta-banner .btn-primary { background:#fff; }
.cta-banner .btn-primary {
  background: #5f4bbd;
  color: #fff;
  position: relative;
  z-index: 2;
  box-shadow: 5px 5px 0 #1c1a2e;
}
.cta-banner .btn-primary:hover {
  background: #6f5ad0;
  transform: translate(-3px,-3px);
  box-shadow: 8px 8px 0 #1c1a2e;
}

/* 页脚 */
.site-footer { padding:56px 0 28px; }

.site-footer {
  background: #1c1a2e;
  color: #cfcbe4;
  border-top: 3px solid #1c1a2e;
  padding: 64px 0 30px;
  position: relative;
}
.site-footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 6px;
  background: linear-gradient(90deg, #6ee7b7, #ffe9a8 35%, #ff8a74 65%, #5f4bbd);
}

.site-footer .container { }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; }

.footer-brand { }
.footer-brand .logo { color: #fff; }
.footer-brand p {
  margin-top: 16px;
  font-size: .92rem;
  line-height: 1.8;
  color: #9d98b8;
  max-width: 320px;
}

.footer-col { }
.footer-col h4 {
  color: #fff;
  font-size: .95rem;
  font-weight: 800;
  letter-spacing: .04em;
  margin-bottom: 18px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col a {
  color: #9d98b8;
  text-decoration: none;
  font-size: .9rem;
  transition: color .2s, padding-left .25s;
}
.footer-col a:hover {
  color: #6ee7b7;
  padding-left: 6px;
}

.footer-bottom { border-top:1px solid rgba(255,255,255,0.1); margin-top:40px; padding-top:20px; text-align:center; font-size:0.85rem; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  margin-top: 44px;
  padding-top: 24px;
  text-align: center;
  font-size: .84rem;
  color: #7f7a9a;
  letter-spacing: .03em;
}

/* 工具类 */
.text-accent { }
.text-accent { color: #5f4bbd; font-weight: 800; }

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

.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.7; }
.seo-description {
  opacity: 1;
  color: #4a4660;
  line-height: 1.9;
  margin: 0 auto 52px;
}

.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* 滚动条美化 */
::selection { background: #6ee7b7; color: #0d3d2b; }

::-webkit-scrollbar { width: 12px; }
::-webkit-scrollbar-track { background: #f0eeff; }
::-webkit-scrollbar-thumb {
  background: #5f4bbd;
  border: 3px solid #f0eeff;
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover { background: #ff8a74; }

/* ⚠️ 响应式 */
@media (max-width: 768px) {
  .feature-block { grid-template-columns:1fr; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .main-nav { display:none; }
  .menu-toggle { display:flex; }
  .main-nav.open { display:flex; flex-direction:column; position:absolute; top:68px; left:0; width:100%; background:#fff; padding:20px; }

  .main-nav.open {
    top: 70px;
    background: #faf6f0;
    border-bottom: 2.5px solid #1c1a2e;
    box-shadow: 0 12px 0 -6px rgba(255,138,116,.6);
    padding: 22px 24px 28px;
    gap: 8px;
    align-items: flex-start;
    animation: navDrop .3s ease both;
  }
  @keyframes navDrop {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  .main-nav.open a { font-size: 1rem; padding: 10px 0; width: 100%; }
  .main-nav.open .nav-cta { justify-content: center; margin-top: 8px; }

  .hero { padding-top: 120px; }
  .section { padding: 64px 0; }
  .cta-banner { padding: 50px 22px; }
}

@media (max-width: 480px) {
  .cards-grid,.content-wall,.stats-bar { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; }
  .hero-buttons { flex-direction:column; }
  .hero-buttons .btn { width: 100%; justify-content: center; }
  .section { padding: 56px 0; }
  .cta-banner { box-shadow: 6px 6px 0 #1c1a2e; }
}