```css
/* ==========================================================================
   原神本子 · 万象画廊 — 创意设计系统
   © yuanshenbenzi.net.cn | 暖纸色 × 珊瑚橘 × 深青 × 蜜金
   ========================================================================== */

:root {
  --paper: #FAF6EE;
  --paper-alt: #F2EBDF;
  --card-bg: #FFFFFF;
  --ink: #2D2A26;
  --ink-soft: rgba(45, 42, 38, 0.65);
  --coral: #E8593D;
  --sun: #F2A93B;
  --teal: #1F8A88;
  --periwinkle: #7C82F0;
  --pink: #E87E9A;
  --cream: #FFFDF9;
  --shadow-coral: 0 14px 40px rgba(232, 89, 61, 0.22);
  --shadow-teal: 0 14px 40px rgba(31, 138, 136, 0.22);
  --shadow-sun: 0 14px 40px rgba(242, 169, 59, 0.25);
}

/* ===================== 基础重置 ===================== */

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

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

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 全局纸纹颗粒 —— 编辑部质感 */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(rgba(45, 42, 38, 0.025) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 9999;
}

::selection {
  background: var(--sun);
  color: var(--ink);
}

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--paper);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--coral), var(--sun));
  border-radius: 8px;
  border: 2px solid var(--paper);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--coral), var(--pink));
}

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

a {
  color: inherit;
}

/* ===================== 核心布局 ===================== */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
  position: relative;
}

.section:nth-child(even) {
  background: var(--paper-alt);
}

/* 章节细微底纹 */
.section:nth-child(even)::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background-image: radial-gradient(rgba(232, 89, 61, 0.06) 1.5px, transparent 1.5px);
  background-size: 20px 20px;
  pointer-events: none;
}

/* ===================== 导航 — 固定顶部 ===================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(250, 246, 238, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(232, 89, 61, 0.14);
  transition: box-shadow 0.3s ease;
}

.site-header:hover {
  box-shadow: 0 4px 30px rgba(45, 42, 38, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.22rem;
  text-decoration: none;
  color: var(--ink);
  letter-spacing: -0.25px;
  position: relative;
  z-index: 1;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  background: linear-gradient(135deg, var(--coral), var(--sun));
  color: #fff;
  box-shadow: 0 4px 14px rgba(232, 89, 61, 0.4);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.logo-icon::after {
  content: '✦';
  position: absolute;
  top: -3px;
  right: -3px;
  font-size: 11px;
  color: var(--teal);
  animation: floatStar 3s ease-in-out infinite;
}

@keyframes floatStar {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-4px) rotate(20deg); }
}

.logo:hover .logo-icon {
  transform: rotate(-10deg) scale(1.05);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
  position: relative;
  padding: 6px 0;
  transition: color 0.25s ease;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--coral), var(--sun));
  border-radius: 3px;
  transition: width 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.main-nav a:hover {
  color: var(--coral);
}

.main-nav a:hover::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 24px;
  border-radius: 50px;
  color: #fff !important;
  font-weight: 700;
  background: var(--teal);
  box-shadow: 0 4px 16px rgba(31, 138, 136, 0.35);
  transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1) !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(31, 138, 136, 0.48);
  color: #fff !important;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border: 1.5px solid var(--ink);
  border-radius: 13px;
  background: var(--card-bg);
  cursor: pointer;
  transition: all 0.25s ease;
  padding: 0;
}

.menu-toggle:hover {
  background: var(--sun);
  border-color: var(--sun);
}

.menu-toggle span {
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 3px;
  transition: all 0.3s ease;
}

/* ===================== 首页 Hero ===================== */

.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 140px 0 90px;
}

/* 装饰光晕 */
.hero::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(242, 169, 59, 0.3) 0%, transparent 68%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 30px;
  left: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(31, 138, 136, 0.2) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-content {
  max-width: 720px;
  position: relative;
  z-index: 2;
}

.hero-content::before {
  content: '本';
  position: absolute;
  top: -40px;
  right: -120px;
  font-size: 7rem;
  font-weight: 900;
  color: var(--sun);
  opacity: 0.15;
  line-height: 1;
  pointer-events: none;
  font-family: 'PingFang SC', 'Noto Sans SC', sans-serif;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 3px;
  padding: 7px 18px;
  border-radius: 50px;
  margin-bottom: 20px;
  background: rgba(232, 89, 61, 0.1);
  color: var(--coral);
  text-transform: uppercase;
}

.hero-eyebrow::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--coral);
  display: inline-block;
}

.hero h1 {
  font-size: clamp(2.5rem, 5.5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  color: var(--ink);
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(120deg, var(--coral) 20%, var(--sun) 80%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero p {
  font-size: 1.12rem;
  color: var(--ink-soft);
  max-width: 560px;
  margin-bottom: 36px;
  line-height: 1.75;
}

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

.hero-image {
  border-radius: 24px;
  overflow: hidden;
  background: var(--cream);
  border: 2px solid var(--ink);
  box-shadow: 10px 10px 0 rgba(45, 42, 38, 0.08), 16px 16px 40px rgba(45, 42, 38, 0.12);
  transform: rotate(1.8deg);
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.45s ease;
  position: relative;
  z-index: 1;
}

.hero-image:hover {
  transform: rotate(0deg) translateY(-5px);
  box-shadow: 14px 14px 0 rgba(232, 89, 61, 0.18), 20px 24px 50px rgba(45, 42, 38, 0.16);
}

.hero-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ===================== 按钮 ===================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  letter-spacing: 0.2px;
}

.btn-primary {
  background: var(--coral);
  color: #fff;
  box-shadow: 0 6px 22px rgba(232, 89, 61, 0.4);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 34px rgba(232, 89, 61, 0.52);
  background: #D64F35;
}

.btn-outline {
  background: var(--cream);
  border: 2px solid var(--ink);
  color: var(--ink);
}

.btn-outline:hover {
  background: var(--sun);
  border-color: var(--sun);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(242, 169, 59, 0.35);
}

/* ===================== 标签/标题 ===================== */

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 3px;
  margin-bottom: 16px;
  text-transform: uppercase;
  color: var(--teal);
}

.section-label::before {
  content: '';
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--coral);
  flex-shrink: 0;
}

.section-label::after {
  content: '';
  width: 32px;
  height: 2px;
  background: var(--teal);
  opacity: 0.5;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.6rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.18;
  margin-bottom: 16px;
  color: var(--ink);
}

.section-title em {
  font-style: normal;
  color: var(--coral);
  border-bottom: 3px dashed var(--sun);
  padding-bottom: 3px;
}

.section-desc {
  max-width: 600px;
  color: var(--ink-soft);
  margin-bottom: 48px;
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ===================== 卡片网格 ===================== */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}

.category-card {
  border-radius: 20px;
  padding: 32px 28px;
  border: 1.5px solid var(--ink);
  background: var(--card-bg);
  box-shadow: 5px 5px 0 rgba(45, 42, 38, 0.1);
  transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--coral), var(--sun));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.category-card:hover {
  transform: translateY(-6px) translateX(-3px);
  box-shadow: 9px 9px 0 var(--sun), 5px 5px 0 rgba(45, 42, 38, 0.1);
}

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

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.4rem;
  background: linear-gradient(135deg, var(--teal), #5AAFA5);
  color: #fff;
  box-shadow: 0 4px 12px rgba(31, 138, 136, 0.25);
}

.category-card:nth-child(2n) .card-icon {
  background: linear-gradient(135deg, var(--coral), var(--pink));
  box-shadow: 0 4px 12px rgba(232, 89, 61, 0.25);
}

.category-card:nth-child(3n) .card-icon {
  background: linear-gradient(135deg, var(--sun), var(--coral));
  box-shadow: 0 4px 12px rgba(242, 169, 59, 0.3);
}

.category-card h3 {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--ink);
}

.category-card p {
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.6;
  margin-bottom: 16px;
}

.card-link {
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--teal);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.25s ease;
}

.card-link::after {
  content: '→';
  font-size: 1rem;
}

.card-link:hover {
  gap: 10px;
  color: var(--coral);
}

/* ===================== 特性块 ===================== */

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

.feature-image {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 12px 12px 0 rgba(232, 89, 61, 0.12);
  border: 1.5px solid var(--ink);
  transform: rotate(-1.5deg);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.feature-image:hover {
  transform: rotate(0) scale(1.01);
  box-shadow: 14px 14px 0 rgba(31, 138, 136, 0.18);
}

.feature-image img {
  width: 100%;
  height: auto;
  display: block;
}

.feature-text h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 14px;
  color: var(--ink);
  line-height: 1.3;
}

.feature-text p {
  color: var(--ink-soft);
  margin-bottom: 20px;
  line-height: 1.7;
}

.feature-list {
  list-style: none;
  margin-top: 8px;
}

.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  color: var(--ink);
}

.feature-list li::before {
  content: '✦';
  font-weight: 700;
  color: var(--coral);
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* ===================== 数据条 ===================== */

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

.stat-item {
  padding: 34px 20px;
  border-radius: 20px;
  border: 1.5px solid var(--ink);
  background: var(--card-bg);
  box-shadow: 4px 4px 0 rgba(45, 42, 38, 0.08);
  position: relative;
  transition: all 0.3s ease;
}

.stat-item:hover {
  box-shadow: 7px 7px 0 var(--teal), 4px 4px 0 rgba(45, 42, 38, 0.08);
  transform: translateY(-3px);
}

.stat-item::after {
  content: '';
  position: absolute;
  bottom: -1.5px;
  left: 50%;
  transform: translateX(-50%);
  width: 45%;
  height: 4px;
  background: var(--sun);
  border-radius: 4px 4px 0 0;
}

.stat-number {
  font-size: 2.4rem;
  font-weight: 900;
  line-height: 1;
  color: var(--coral);
  font-variant-numeric: tabular-nums;
  letter-spacing: -1px;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.6;
  margin-top: 8px;
  font-weight: 500;
  letter-spacing: 1px;
}

/* ===================== 内容墙 ===================== */

.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.content-wall-item {
  border-radius: 20px;
  overflow: hidden;
  border: 1.5px solid var(--ink);
  background: var(--card-bg);
  box-shadow: 4px 4px 0 rgba(45, 42, 38, 0.1);
  transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
}

.content-wall-item:hover {
  transform: translateY(-6px);
  box-shadow: 8px 8px 0 var(--periwinkle);
}

.content-wall-item:nth-child(3n+2):hover {
  box-shadow: 8px 8px 0 var(--coral);
}

.content-wall-item:nth-child(3n+3):hover {
  box-shadow: 8px 8px 0 var(--sun);
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  border-bottom: 1.5px solid var(--ink);
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.content-wall-item:hover img {
  transform: scale(1.03);
}

.content-wall-body {
  padding: 20px 22px;
}

.content-wall-body h4 {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 6px;
  color: var(--ink);
}

.content-wall-body p {
  font-size: 0.85rem;
  color: var(--ink-soft);
  line-height: 1.55;
}

/* ===================== FAQ ===================== */

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

.faq-item {
  border: 1.5px solid var(--ink);
  border-radius: 16px;
  margin-bottom: 12px;
  overflow: hidden;
  cursor: pointer;
  background: var(--card-bg);
  transition: all 0.3s ease;
}

.faq-item:hover {
  box-shadow: 4px 4px 0 rgba(45, 42, 38, 0.12);
  border-color: var(--coral);
}

.faq-item .faq-question {
  padding: 20px 24px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.02rem;
  color: var(--ink);
  transition: color 0.2s;
}

.faq-item:hover .faq-question {
  color: var(--coral);
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--coral);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  line-height: 1;
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}

.faq-item .faq-answer {
  padding: 0 24px 20px;
  display: none;
  color: var(--ink-soft);
  line-height: 1.7;
  border-top: 1px solid rgba(45, 42, 38, 0.06);
  padding-top: 14px;
}

.faq-item.open .faq-answer {
  display: block;
  animation: fadeSlideDown 0.35s ease;
}

@keyframes fadeSlideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===================== CTA 横幅 ===================== */

.cta-banner {
  padding: 68px 24px;
  text-align: center;
  border-radius: 28px;
  color: #fff;
  background: linear-gradient(135deg, var(--coral) 0%, var(--coral) 35%, var(--periwinkle) 140%);
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(232, 89, 61, 0.35);
  border: 2px solid var(--ink);
}

.cta-banner::before,
.cta-banner::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  pointer-events: none;
}

.cta-banner::before {
  width: 220px;
  height: 220px;
  top: -70px;
  left: -70px;
}

.cta-banner::after {
  width: 160px;
  height: 160px;
  bottom: -50px;
  right: -40px;
  background: rgba(242, 169, 59, 0.3);
}

.cta-banner h2 {
  color: #fff;
  font-size: 2.2rem;
  font-weight: 900;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
  letter-spacing: -0.02em;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 420px;
  margin: 0 auto 28px;
  font-size: 1rem;
  position: relative;
  z-index: 1;
  line-height: 1.7;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--coral);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.18);
  border: 1.5px solid var(--ink);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.28);
  background: var(--sun);
  color: var(--ink);
}

/* ===================== 页脚 ===================== */

.site-footer {
  padding: 64px 0 28px;
  background: var(--paper-alt);
  border-top: 2px solid var(--ink);
  position: relative;
}

.site-footer .container {
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer-brand {
  font-size: 0.95rem;
  color: var(--ink-soft);
  line-height: 1.75;
  max-width: 260px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-col h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 18px;
  color: var(--coral);
  font-weight: 800;
}

.footer-col a {
  display: block;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 4px 0;
  opacity: 0.72;
  transition: all 0.2s ease;
}

.footer-col a:hover {
  opacity: 1;
  color: var(--teal);
  padding-left: 5px;
}

.footer-bottom {
  border-top: 1px solid rgba(45, 42, 38, 0.12);
  margin-top: 48px;
  padding-top: 22px;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.65;
  line-height: 1.6;
}

/* ===================== 工具类 ===================== */

.text-accent {
  color: var(--coral);
  font-weight: 700;
}

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

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.7;
  line-height: 1.75;
  text-align: center;
}

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

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

/* ===================== 响应式 ===================== */

@media (max-width: 1024px) {
  .feature-block {
    gap: 40px;
  }

  .hero {
    min-height: auto;
    padding: 120px 0 70px;
  }

  .hero-content::before {
    display: none;
  }
}

@media (max-width: 768px) {
  .feature-block {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .feature-image {
    max-width: 100%;
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .main-nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: var(--paper);
    padding: 24px 24px 32px;
    gap: 18px;
    box-shadow: 0 24px 50px rgba(45, 42, 38, 0.12);
    border-bottom: 2px solid var(--ink);
    border-radius: 0 0 20px 20px;
    align-items: flex-start;
  }

  .main-nav.open {
    display: flex;
    animation: fadeSlideDown 0.3s ease;
  }

  .main-nav a {
    font-size: 1rem;
    padding: 6px 0;
  }

  .menu-toggle {
    display: flex;
  }

  .hero {
    padding: 110px 0 60px;
    min-height: auto;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .section {
    padding: 68px 0;
  }

  .cta-banner {
    padding: 50px 20px;
  }

  .cta-banner h2 {
    font-size: 1.7rem;
  }
}

@media (max-width: 480px) {
  .cards-grid,
  .content-wall,
  .stats-bar {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-buttons .btn {
    justify-content: center;
    width: 100%;
  }

  .hero h1 {
    font-size: 1.9rem;
  }

  .section-title {
    font-size: 1.65rem;
  }

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

  .stat-item {
    padding: 26px 20px;
  }

  .stat-number {
    font-size: 2rem;
  }

  .feature-list li {
    font-size: 0.92rem;
  }

  .faq-item .faq-question {
    padding: 16px 18px;
    font-size: 0.95rem;
  }

  .faq-item .faq-answer {
    padding: 0 18px 16px;
  }

  .cta-banner {
    border-radius: 20px;
    padding: 44px 18px;
  }

  .cta-banner h2 {
    font-size: 1.5rem;
  }

  .header-inner {
    height: 64px;
    padding: 0 18px;
  }

  .logo {
    font-size: 1.05rem;
  }

  .logo-icon {
    width: 34px;
    height: 34px;
    font-size: 0.9rem;
  }

  .site-footer {
    padding: 48px 0 24px;
  }
}