```css
@charset "UTF-8";

/* ==========================================================
   每日大赛在线 - 暖流马卡龙设计系统
   风格：有机流体 / 柔和渐变 / 大圆角胶囊
   ========================================================== */

:root {
  --primary: #FF6F61;
  --primary-light: #FF9A85;
  --secondary: #36C2B1;
  --accent: #FFC145;
  --purple: #8B7FD6;
  --text: #3A2E3D;
  --text-soft: #7A6A73;
  --bg: #FAF6F0;
  --card-bg: #FFFFFF;
  --radius-sm: 14px;
  --radius-md: 22px;
  --radius-lg: 32px;
  --radius-pill: 60px;
  --shadow-sm: 0 4px 16px rgba(58,46,61,0.06);
  --shadow-md: 0 10px 30px rgba(58,46,61,0.08);
  --shadow-lg: 0 20px 50px rgba(58,46,61,0.10);
}

/* ============ 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;
  background-color: var(--bg);
  background-image:
    radial-gradient(circle at 8% 18%, rgba(255,111,97,0.05) 0%, transparent 22%),
    radial-gradient(circle at 92% 64%, rgba(54,194,177,0.05) 0%, transparent 24%),
    radial-gradient(circle at 70% 90%, rgba(139,127,214,0.04) 0%, transparent 20%);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: rgba(255,111,97,0.25);
  color: var(--text);
}

::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--primary), var(--secondary));
  border-radius: 6px;
}

/* ============ 核心布局 ============ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section:nth-child(even) {
  background: linear-gradient(180deg, #F5EFE7 0%, var(--bg) 100%);
}

/* ============ 导航（浮动胶囊） ============ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
  backdrop-filter: blur(0px);
  border-bottom: none;
  padding: 12px 0;
  pointer-events: none;
}

.site-header .container,
.site-header .header-inner {
  pointer-events: auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
  background: rgba(255,255,255,0.78);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: var(--radius-pill);
  box-shadow: 0 8px 32px rgba(58,46,61,0.06);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.22rem;
  text-decoration: none;
  color: var(--text);
  letter-spacing: -0.02em;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  box-shadow: 0 6px 16px rgba(255,111,97,0.35);
  animation: logoFloat 4s ease-in-out infinite;
}

@keyframes logoFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-4px) rotate(-3deg); }
}

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

.main-nav a {
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-soft);
  transition: 0.25s;
  padding: 6px 2px;
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2.5px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

.nav-cta {
  padding: 9px 26px;
  border-radius: var(--radius-pill);
  color: #fff !important;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  box-shadow: 0 4px 16px rgba(255,111,97,0.35);
  position: relative;
  overflow: hidden;
}

.nav-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.35), transparent);
  transition: left 0.5s ease;
}

.nav-cta:hover::before {
  left: 100%;
}

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

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.9);
  border: 1px solid rgba(58,46,61,0.08);
  border-radius: 14px;
  cursor: pointer;
  position: relative;
  transition: 0.3s;
}

.menu-toggle:hover {
  box-shadow: var(--shadow-sm);
}

.menu-toggle::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 3px;
  box-shadow: 0 -6px 0 var(--text), 0 6px 0 var(--text);
}

/* ============ Hero ============ */
.hero {
  min-height: 88vh;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
  padding-top: 120px;
  padding-bottom: 64px;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  right: -120px;
  top: 20%;
  width: 480px;
  height: 480px;
  background: linear-gradient(135deg, rgba(255,111,97,0.10), rgba(54,194,177,0.08));
  border-radius: 42% 58% 62% 38% / 48% 44% 56% 52%;
  z-index: 0;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  left: -60px;
  bottom: -40px;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(139,127,214,0.08) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 0;
  pointer-events: none;
}

.hero-content {
  max-width: 680px;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 7px 20px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(255,111,97,0.12), rgba(54,194,177,0.12));
  color: var(--primary);
  border: 1px solid rgba(255,111,97,0.2);
}

.hero h1 {
  font-size: 3.1rem;
  line-height: 1.15;
  margin-bottom: 22px;
  font-weight: 800;
  letter-spacing: -0.025em;
}

.hero h1 .text-accent {
  background: linear-gradient(135deg, var(--primary), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.1rem;
  opacity: 0.72;
  max-width: 560px;
  margin-bottom: 36px;
  line-height: 1.75;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-image {
  position: relative;
  border-radius: var(--radius-lg);
  z-index: 1;
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.hero-image::before {
  content: '';
  position: absolute;
  bottom: -18px;
  right: -18px;
  width: 72%;
  height: 72%;
  background: linear-gradient(135deg, rgba(255,111,97,0.2), rgba(54,194,177,0.2), rgba(139,127,214,0.15));
  border-radius: var(--radius-lg);
  z-index: -1;
}

/* ============ 按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 0.92rem;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  box-shadow: 0 6px 20px rgba(255,111,97,0.32);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 32px rgba(255,111,97,0.4);
}

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

.btn-outline:hover {
  background: rgba(255,111,97,0.08);
  border-color: var(--primary-light);
  color: var(--primary-light);
  transform: translateY(-3px);
}

/* ============ 标签/标题 ============ */
.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 14px;
  color: var(--primary);
  padding: 5px 16px;
  background: rgba(255,111,97,0.1);
  border-radius: var(--radius-pill);
}

.section-title {
  font-size: 2.4rem;
  margin-bottom: 16px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  position: relative;
  padding-bottom: 14px;
}

.section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 56px;
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary), var(--purple));
}

.text-center .section-title::after {
  left: 50%;
  transform: translateX(-50%);
}

.section-desc {
  max-width: 600px;
  opacity: 0.72;
  margin-bottom: 44px;
  font-size: 1.04rem;
  line-height: 1.75;
}

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

.category-card {
  border-radius: var(--radius-md);
  padding: 32px 30px;
  border: 1px solid rgba(58,46,61,0.05);
  background: var(--card-bg);
  transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(58,46,61,0.03);
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary), var(--purple));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.category-card::after {
  content: '';
  position: absolute;
  right: -30px;
  top: -30px;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(54,194,177,0.08) 0%, transparent 70%);
  transition: 0.3s;
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255,111,97,0.12);
}

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

.category-card:nth-child(2) .card-icon {
  background: linear-gradient(135deg, rgba(54,194,177,0.2), rgba(139,127,214,0.2));
}

.category-card:nth-child(3) .card-icon {
  background: linear-gradient(135deg, rgba(255,193,69,0.25), rgba(255,111,97,0.2));
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.45rem;
  background: linear-gradient(135deg, rgba(255,111,97,0.18), rgba(54,194,177,0.18));
}

.card-link {
  font-weight: 700;
  font-size: 0.88rem;
  text-decoration: none;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  transition: 0.25s;
}

.card-link::after {
  content: '→';
  transition: transform 0.25s ease;
}

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

.card-link:hover::after {
  transform: translateX(3px);
}

/* ============ 特性块 ============ */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

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

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

.feature-image::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(to top, rgba(58,46,61,0.1), transparent 40%);
  pointer-events: none;
}

.feature-text {
  font-size: 1.03rem;
}

.feature-text h3 {
  font-size: 1.6rem;
  margin-bottom: 14px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.feature-list {
  list-style: none;
  margin-top: 16px;
}

.feature-list li {
  padding: 9px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  font-size: 1rem;
}

.feature-list li::before {
  content: '✓';
  font-weight: 800;
  color: var(--secondary);
  font-size: 1.15rem;
  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 24px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(58,46,61,0.05);
  background: var(--card-bg);
  transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 8px rgba(58,46,61,0.03);
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.62;
  margin-top: 10px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

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

.content-wall-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(58,46,61,0.05);
  background: var(--card-bg);
  transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 8px rgba(58,46,61,0.03);
}

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

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.content-wall-item:hover img {
  transform: scale(1.04);
}

.content-wall-body {
  padding: 24px;
}

.content-wall-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.content-wall-body p {
  font-size: 0.9rem;
  opacity: 0.65;
  line-height: 1.6;
}

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

.faq-item {
  border: 1px solid rgba(58,46,61,0.06);
  border-radius: 18px;
  margin-bottom: 12px;
  overflow: hidden;
  cursor: pointer;
  background: var(--card-bg);
  transition: 0.3s;
}

.faq-item:hover {
  border-color: rgba(255,111,97,0.25);
  box-shadow: var(--shadow-sm);
}

.faq-item .faq-question {
  padding: 20px 26px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1rem;
  color: var(--text);
  transition: 0.2s;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--primary);
  transition: transform 0.35s ease;
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item.open .faq-question::after {
  transform: rotate(135deg);
}

.faq-item .faq-answer {
  padding: 0 26px 22px;
  display: none;
  opacity: 0.72;
  line-height: 1.8;
  font-size: 0.95rem;
}

.faq-item.open .faq-answer {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 0.72; transform: translateY(0); }
}

/* ============ CTA横幅 ============ */
.cta-banner {
  padding: 68px 24px;
  text-align: center;
  border-radius: var(--radius-lg);
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-light), var(--purple));
  box-shadow: 0 20px 48px rgba(255,111,97,0.35);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -18%;
  width: 320px;
  height: 320px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -70%;
  left: -10%;
  width: 260px;
  height: 260px;
  border: 3px dashed rgba(255,255,255,0.15);
  border-radius: 50%;
}

.cta-banner h2 {
  color: #fff;
  font-size: 2.1rem;
  font-weight: 800;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  color: rgba(255,255,255,0.9);
  max-width: 520px;
  margin: 0 auto 32px;
  font-size: 1.05rem;
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 6px 20px rgba(0,0,0,0.12);
  position: relative;
  z-index: 1;
  font-weight: 800;
}

.cta-banner .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

/* ============ 页脚 ============ */
.site-footer {
  padding: 72px 0 32px;
  background: #F1EAE2;
  margin-top: 90px;
  border-radius: 48px 48px 0 0;
}

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

.footer-brand {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand .logo-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  font-size: 0.95rem;
}

.footer-col h3,
.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--text);
  letter-spacing: 0.02em;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  opacity: 0.72;
  line-height: 2.3;
  font-size: 0.88rem;
}

.footer-col ul a {
  color: inherit;
  text-decoration: none;
  transition: 0.2s;
}

.footer-col ul a:hover {
  color: var(--primary);
  opacity: 1;
}

.footer-bottom {
  border-top: 1px solid rgba(58,46,61,0.1);
  margin-top: 48px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.84rem;
  opacity: 0.62;
  font-weight: 400;
}

/* ============ 工具类 ============ */
.text-accent {
  color: var(--primary);
}

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.72;
  font-size: 1.02rem;
  line-height: 1.75;
}

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

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .feature-block {
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .site-header {
    padding: 8px 0;
  }

  .header-inner {
    height: 62px;
    border-radius: 24px;
  }

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 74px;
    left: 12px;
    width: calc(100% - 24px);
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    padding: 28px;
    gap: 18px;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255,255,255,0.6);
    pointer-events: auto;
  }

  .main-nav.open a {
    font-size: 1rem;
    padding: 10px 4px;
    width: 100%;
    text-align: center;
    border-bottom: 1px solid rgba(58,46,61,0.04);
  }

  .main-nav.open .nav-cta {
    border: none;
    text-align: center;
    width: 100%;
    padding: 12px 20px;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 110px;
    min-height: auto;
    gap: 32px;
  }

  .hero-content {
    max-width: 100%;
    text-align: center;
  }

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

  .hero p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-image {
    max-width: 460px;
    margin: 0 auto;
    width: 100%;
  }

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

  .feature-image {
    order: -1;
  }

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

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

  .section-title {
    font-size: 1.9rem;
  }

  .section {
    padding: 70px 0;
  }
}

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

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-brand {
    justify-content: center;
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

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

  .hero h1 {
    font-size: 1.8rem;
  }

  .btn {
    padding: 13px 24px;
  }

  .cta-banner {
    padding: 48px 20px;
  }

  .cta-banner h2 {
    font-size: 1.6rem;
  }

  .header-inner {
    padding: 0 16px;
  }
}