/* NewMediaLab · 羽你同行 — 全局样式 */
:root {
  --mist: #eef2f3;
  --mist-deep: #dce3e6;
  --mint: #9bc9b0;
  --mint-dark: #6fa889;
  --blush: #e8c8d4;
  --blush-soft: #f5e6eb;
  --wood: #c4a77d;
  --olive: #6b7f5a;
  --text: #2d3436;
  --text-muted: #636e72;
  --white: #ffffff;
  --glass: rgba(255, 255, 255, 0.55);
  --glass-border: rgba(255, 255, 255, 0.7);
  --shadow: 0 8px 32px rgba(45, 52, 54, 0.08);
  --radius: 18px;
  --radius-sm: 12px;
  --font-sans: "DM Sans", "Noto Sans SC", system-ui, sans-serif;
  --transition: 0.22s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--mist);
  line-height: 1.65;
  min-height: 100vh;
}

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

a:hover {
  color: var(--olive);
}

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

/* Canvas 背景层 */
#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.45;
}

.page-wrap {
  position: relative;
  z-index: 1;
}

.container {
  width: min(1120px, 92vw);
  margin-inline: auto;
}

/* 导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(238, 242, 243, 0.72);
  border-bottom: 1px solid var(--glass-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
  gap: 1rem;
}

.logo {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  letter-spacing: -0.02em;
}

.logo span {
  color: var(--mint-dark);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 500;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--mint-dark);
}

.nav-toggle {
  display: none;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.65rem;
  cursor: pointer;
  font-size: 1.1rem;
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    gap: 0.75rem;
    display: none;
  }

  .nav-links.is-open {
    display: flex;
  }
}

/* 玻璃卡片 */
.glass-card {
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  transition: transform var(--transition), box-shadow var(--transition);
}

.glass-card:hover {
  transform: translateY(-3px) scale(1.01);
  box-shadow: 0 14px 40px rgba(45, 52, 54, 0.12);
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 1.35rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
  border: none;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), color var(--transition);
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: linear-gradient(135deg, var(--mint), var(--mint-dark));
  color: var(--white);
  box-shadow: 0 4px 20px rgba(111, 168, 137, 0.35);
}

.btn-primary:hover {
  filter: brightness(1.05);
  color: var(--white);
}

.btn-ghost {
  background: var(--glass);
  color: var(--text);
  border: 1px solid var(--glass-border);
}

.btn-ghost:hover {
  background: var(--white);
  color: var(--mint-dark);
}

/* Hero */
.hero {
  padding: clamp(3rem, 10vw, 5.5rem) 0 3rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
}

.hero h1 {
  font-size: clamp(1.85rem, 4.5vw, 2.45rem);
  line-height: 1.2;
  margin: 0 0 1rem;
  letter-spacing: -0.03em;
}

.hero .lead {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin: 0 0 1.75rem;
  max-width: 36ch;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-visual {
  position: relative;
  min-height: 260px;
}

.hero-blob {
  position: absolute;
  inset: 0;
  border-radius: 28px;
  background: linear-gradient(145deg, var(--blush-soft), var(--mist-deep));
  opacity: 0.9;
}

.hero-svg {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 12px 24px rgba(45, 52, 54, 0.1));
}

/* Section 通用 */
.section {
  padding: 3rem 0;
}

.section-head {
  text-align: center;
  margin-bottom: 2rem;
}

.section-head h2 {
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.section-head p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* 网格 */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

@media (max-width: 768px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: 1fr;
  }
}

.dual-icon {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.stat-card {
  text-align: center;
  padding: 1.75rem 1rem;
}

.stat-card strong {
  display: block;
  font-size: 1.15rem;
  color: var(--mint-dark);
  margin-bottom: 0.35rem;
}

.stat-card span {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* 模板 / 博客 卡片 */
.product-card .thumb {
  border-radius: var(--radius-sm);
  height: 140px;
  background: linear-gradient(160deg, var(--blush-soft), var(--mist-deep));
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--text-muted);
}

.product-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

.product-card .meta {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.price {
  font-weight: 700;
  color: var(--olive);
}

.tag {
  display: inline-block;
  font-size: 0.72rem;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  background: var(--blush-soft);
  color: var(--text-muted);
  margin-right: 0.35rem;
}

/* 服务 */
.service-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.service-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* 订阅 */
.newsletter {
  max-width: 520px;
  margin-inline: auto;
  text-align: center;
}

.newsletter-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: center;
  margin-top: 1.25rem;
}

.newsletter-form input[type="email"] {
  flex: 1;
  min-width: 200px;
  padding: 0.75rem 1rem;
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  background: var(--white);
  font-family: inherit;
  font-size: 0.95rem;
}

/* 页脚 */
.site-footer {
  margin-top: 2rem;
  padding: 2.5rem 0;
  border-top: 1px solid rgba(45, 52, 54, 0.08);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.site-footer .social {
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  margin-bottom: 1rem;
}

/* 内页标题 */
.page-hero {
  padding: 2.5rem 0 1rem;
}

.page-hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.5rem, 3.5vw, 2rem);
}

.page-hero p {
  margin: 0;
  color: var(--text-muted);
}

/* 筛选 */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.filter-btn {
  padding: 0.45rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: var(--white);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.88rem;
  transition: background var(--transition), color var(--transition);
}

.filter-btn.is-active {
  background: var(--mint);
  color: var(--white);
  border-color: transparent;
}

/* 博客列表 */
.post-card h3 {
  margin: 0.5rem 0 0.35rem;
  font-size: 1.05rem;
}

.post-card .date {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* 文章详情 */
.article-body {
  max-width: 680px;
  margin: 0 auto;
}

.article-body h2 {
  font-size: 1.2rem;
  margin-top: 1.75rem;
}

.article-body pre {
  background: rgba(45, 52, 54, 0.06);
  padding: 1rem;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  font-size: 0.88rem;
}

.article-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(45, 52, 54, 0.08);
}

/* 表单 */
.form-group {
  margin-bottom: 1.1rem;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--white);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-hint {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
}

/* 翻转卡片（双能力） */
.flip-scene {
  perspective: 1000px;
  min-height: 200px;
}

.flip-card {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 200px;
  transform-style: preserve-3d;
  transition: transform 0.65s ease;
}

.flip-scene:hover .flip-card {
  transform: rotateY(180deg);
}

.flip-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.flip-front {
  background: linear-gradient(145deg, rgba(155, 201, 176, 0.35), var(--glass));
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
}

.flip-back {
  background: linear-gradient(145deg, rgba(232, 200, 212, 0.45), var(--glass));
  transform: rotateY(180deg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
}

.flip-face h3 {
  margin: 0 0 0.5rem;
}

.flip-face p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* 滚动显现 */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* 返回链接 */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 1rem;
  font-size: 0.92rem;
}