/* ==========================================================
   JIANGYE 江夜创想科技 —— 浅蓝色系样式
   配色：蓝白 / 浅蓝 / 天蓝 / 薄荷绿 / 淡蓝紫 / 奶油黄
   ========================================================== */

/* ---------- 设计变量 ---------- */
:root {
  /* 浅蓝基础色 */
  --cream: #f5faff;          /* 蓝白 */
  --cream-deep: #eaf3fd;     /* 浅蓝白 */
  --pink: #dceafb;           /* 浅蓝 */
  --pink-strong: #7fb2e8;    /* 天蓝 */
  --mint: #ddf1e6;           /* 薄荷绿（点缀） */
  --mint-strong: #8fd3b4;
  --lavender: #e3ecfa;       /* 淡蓝紫 */
  --lavender-strong: #9db8e8;
  --butter: #fcf0d5;         /* 奶油黄（点缀） */
  --butter-strong: #f0d48a;

  /* 主蓝（用于强调文字 / 按钮） */
  --bean: #6a9fd8;
  --bean-deep: #4e84c2;

  /* 文字 */
  --text: #4a5561;
  --text-light: #7d8a99;
  --text-soft: #a0adb9;

  /* 结构 */
  --card-radius: 22px;
  --shadow-soft: 0 10px 30px rgba(110, 159, 216, 0.14);
  --shadow-hover: 0 18px 44px rgba(110, 159, 216, 0.24);

  /* 字体 */
  --font-display: 'Baloo 2', 'ZCOOL QingKe HuangYou', 'Noto Sans SC', sans-serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;

  /* 渐变背景 */
  --bg-gradient: linear-gradient(165deg, var(--cream) 0%, #eef6ff 38%, var(--lavender) 78%, var(--cream) 100%);
}

/* ---------- 基础重置 ---------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--text);
  line-height: 1.8;
  background: var(--bg-gradient);
  background-attachment: fixed;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

/* ---------- 通用按钮 ---------- */
.btn {
  display: inline-block;
  padding: 0.8rem 1.9rem;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.btn-primary {
  background: linear-gradient(120deg, var(--bean), var(--pink-strong));
  color: #fff;
  box-shadow: 0 8px 22px rgba(110, 159, 216, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(110, 159, 216, 0.45);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.6);
  color: var(--bean-deep);
  border-color: var(--pink-strong);
}

.btn-ghost:hover {
  background: #fff;
  transform: translateY(-3px);
  box-shadow: var(--shadow-soft);
}

.btn-sm {
  padding: 0.5rem 1.2rem;
  font-size: 0.9rem;
}

.btn-block {
  width: 100%;
}

/* ==========================================================
   导航栏
   ========================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0.9rem 0;
  transition: background 0.35s ease, box-shadow 0.35s ease, padding 0.35s ease;
}

.navbar.scrolled {
  background: rgba(245, 250, 255, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 6px 24px rgba(110, 159, 216, 0.12);
  padding: 0.55rem 0;
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo-bubble {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--bean-deep);
  background: radial-gradient(circle at 30% 30%, #fff, var(--pink));
  box-shadow: var(--shadow-soft);
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--bean-deep);
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.logo-text small {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-light);
  letter-spacing: 0.15em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-list {
  display: flex;
  gap: 1.6rem;
}

.nav-link {
  position: relative;
  font-size: 0.95rem;
  color: var(--text-light);
  transition: color 0.25s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--pink-strong), var(--lavender-strong));
  transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--bean-deep);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* 汉堡按钮（移动端） */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 8px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--pink);
  border-radius: 12px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2.5px;
  width: 100%;
  border-radius: 3px;
  background: var(--bean-deep);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* ==========================================================
   Hero 首屏
   ========================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 7rem 0 4rem;
  overflow: hidden;
}

/* 柔和背景渐变光斑 */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 18% 20%, rgba(127, 178, 232, 0.35), transparent 45%),
    radial-gradient(ellipse at 82% 30%, rgba(157, 184, 232, 0.32), transparent 45%),
    radial-gradient(ellipse at 50% 85%, rgba(143, 211, 180, 0.28), transparent 45%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.4rem;
}

.hero-eyebrow {
  font-size: 0.95rem;
  letter-spacing: 0.3em;
  color: var(--bean);
  background: rgba(255, 255, 255, 0.65);
  padding: 0.45rem 1.4rem;
  border-radius: 999px;
  box-shadow: var(--shadow-soft);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text);
}

.grad-text {
  background: linear-gradient(120deg, var(--pink-strong), var(--lavender-strong), var(--mint-strong));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero-subtitle {
  max-width: 620px;
  font-size: clamp(1rem, 2.4vw, 1.15rem);
  color: var(--text-light);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 0.6rem;
}

.hero-scroll {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-soft);
  font-size: 0.8rem;
}

.mouse {
  width: 26px;
  height: 42px;
  border: 2px solid var(--bean);
  border-radius: 14px;
  position: relative;
}

.mouse::after {
  content: '';
  position: absolute;
  top: 7px;
  left: 50%;
  width: 4px;
  height: 8px;
  margin-left: -2px;
  border-radius: 4px;
  background: var(--pink-strong);
  animation: wheel 1.8s ease-in-out infinite;
}

@keyframes wheel {
  0% { transform: translateY(0); opacity: 1; }
  70% { transform: translateY(14px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* 漂浮苏打气泡 */
.bubbles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.bubble {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 30%, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.15));
  border: 1.5px solid rgba(255, 255, 255, 0.8);
  animation: float 9s ease-in-out infinite;
}

.b1 { width: 90px; height: 90px; top: 18%; left: 8%; animation-delay: 0s; }
.b2 { width: 46px; height: 46px; top: 62%; left: 14%; animation-delay: 1.6s; }
.b3 { width: 130px; height: 130px; top: 14%; right: 9%; animation-delay: 0.8s; }
.b4 { width: 54px; height: 54px; bottom: 18%; right: 16%; animation-delay: 2.4s; }
.b5 { width: 34px; height: 34px; top: 40%; right: 30%; animation-delay: 3.2s; }
.b6 { width: 26px; height: 26px; bottom: 26%; left: 26%; animation-delay: 4s; }

@keyframes float {
  0%, 100% { transform: translateY(0) translateX(0); }
  50% { transform: translateY(-28px) translateX(12px); }
}

/* ==========================================================
   通用区块
   ========================================================== */
.section {
  padding: 5.5rem 0;
  scroll-margin-top: 80px;
}

.section-head {
  text-align: center;
  margin-bottom: 3.2rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--bean);
  background: rgba(255, 255, 255, 0.7);
  padding: 0.3rem 1.2rem;
  border-radius: 999px;
  margin-bottom: 0.9rem;
  box-shadow: 0 4px 14px rgba(110, 159, 216, 0.12);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4.5vw, 2.6rem);
  color: var(--text);
  margin-bottom: 0.5rem;
}

.section-desc {
  color: var(--text-light);
  font-size: 1rem;
}

/* ==========================================================
   关于我们
   ========================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.about-text h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--bean-deep);
  margin-bottom: 1rem;
}

.about-text p {
  color: var(--text-light);
  margin-bottom: 1rem;
}

.about-feature-list li {
  position: relative;
  padding-left: 1.6rem;
  color: var(--text);
  margin-bottom: 0.6rem;
}

.about-feature-list li::before {
  content: '●';
  position: absolute;
  left: 0;
  top: 0.1rem;
  font-size: 0.85rem;
  color: var(--mint-strong);
}

.about-cards {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.mini-card {
  border-radius: var(--card-radius);
  padding: 1.3rem 1.6rem;
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.mini-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.mini-card h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
}

.mini-card p {
  font-size: 0.92rem;
  color: var(--text-light);
}

.mini-icon {
  display: inline-block;
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.card-pink { background: linear-gradient(135deg, var(--pink), #fdf0f3); color: var(--pink-strong); }
.card-mint { background: linear-gradient(135deg, var(--mint), #f0faf4); color: var(--mint-strong); }
.card-lavender { background: linear-gradient(135deg, var(--lavender), #f6f2fc); color: var(--lavender-strong); }
.card-butter { background: linear-gradient(135deg, var(--butter), #fdf7e8); color: #cfa53f; }

/* ==========================================================
   服务
   ========================================================== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.service-card {
  border-radius: var(--card-radius);
  padding: 2rem 1.6rem;
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.service-icon {
  display: inline-grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.75);
  font-size: 1.5rem;
  margin-bottom: 1.1rem;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.service-card p {
  font-size: 0.92rem;
  color: var(--text-light);
  margin-bottom: 1rem;
}

.service-more {
  font-size: 0.85rem;
  font-weight: 500;
  opacity: 0.75;
  transition: opacity 0.25s ease;
}

.service-card:hover .service-more {
  opacity: 1;
}

/* ==========================================================
   作品展示
   ========================================================== */
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.6rem;
}

.work-card {
  border-radius: var(--card-radius);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.work-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.work-thumb {
  position: relative;
  height: 210px;
  display: grid;
  place-items: center;
}

.thumb-1 {
  background: linear-gradient(140deg, var(--mint), var(--butter));
}

.thumb-2 {
  background: linear-gradient(140deg, var(--pink), var(--cream-deep));
}

.thumb-3 {
  background: linear-gradient(140deg, var(--lavender), var(--mint));
}

.work-tag {
  font-size: 0.82rem;
  color: var(--bean-deep);
  background: rgba(255, 255, 255, 0.85);
  padding: 0.35rem 1.1rem;
  border-radius: 999px;
  box-shadow: 0 6px 16px rgba(87, 78, 82, 0.1);
}

.work-card figcaption {
  padding: 1.3rem 1.5rem 1.6rem;
}

.work-card figcaption h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 0.3rem;
}

.work-card figcaption p {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* ==========================================================
   产品页
   ========================================================== */
.product-hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 9rem 0 3rem;
  overflow: hidden;
}

.product-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 25%, rgba(127, 178, 232, 0.3), transparent 45%),
    radial-gradient(ellipse at 80% 35%, rgba(157, 184, 232, 0.28), transparent 45%),
    radial-gradient(ellipse at 50% 90%, rgba(143, 211, 180, 0.22), transparent 45%);
  pointer-events: none;
}

.product-hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
}

/* 产品卡片网格 */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.6rem;
}

.product-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--card-radius);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.product-thumb {
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-card:hover .product-thumb img {
  transform: scale(1.04);
}

.product-body {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1.4rem 1.5rem 1.6rem;
  flex: 1;
}

.product-tag {
  align-self: flex-start;
  font-size: 0.78rem;
  color: var(--bean-deep);
  background: rgba(220, 234, 251, 0.7);
  padding: 0.25rem 0.9rem;
  border-radius: 999px;
}

.product-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--text);
}

.product-desc {
  font-size: 0.92rem;
  color: var(--text-light);
  flex: 1;
}

.product-more {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--bean);
  margin-top: 0.5rem;
  transition: color 0.25s ease;
}

.product-more:hover {
  color: var(--bean-deep);
}

/* 产品空状态 */
.product-empty {
  text-align: center;
  padding: 4.5rem 1.5rem;
  background: rgba(255, 255, 255, 0.55);
  border: 1px dashed rgba(127, 178, 232, 0.45);
  border-radius: 28px;
  box-shadow: var(--shadow-soft);
}

.product-empty-icon {
  display: inline-block;
  font-size: 2.4rem;
  margin-bottom: 0.9rem;
  color: var(--bean);
}

.product-empty h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.product-empty p {
  color: var(--text-light);
  margin-bottom: 1.6rem;
}

/* CTA 横幅 */
.cta-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2.6rem 2.8rem;
  background: linear-gradient(135deg, var(--pink), var(--lavender));
  border-radius: var(--card-radius);
  box-shadow: var(--shadow-soft);
}

.cta-banner h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--text);
  margin-bottom: 0.4rem;
}

.cta-banner p {
  color: var(--text-light);
}

/* ==========================================================
   联系方式
   ========================================================== */
.contact-wrap {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
  align-items: center;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(127, 178, 232, 0.3);
  border-radius: 28px;
  padding: 3rem;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(8px);
}

.contact-list {
  margin-top: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.contact-list li {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.contact-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dot-pink { background: var(--pink-strong); }
.dot-mint { background: var(--mint-strong); }
.dot-lavender { background: var(--lavender-strong); }
.dot-butter { background: var(--butter-strong); }

.contact-list strong {
  display: block;
  font-size: 0.85rem;
  color: var(--text-soft);
}

.contact-list p {
  font-size: 1rem;
  color: var(--text);
}

/* 联系表单 */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.9rem;
  color: var(--text-light);
}

.form-group input,
.form-group textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text);
  background: rgba(255, 255, 255, 0.85);
  border: 2px solid transparent;
  outline: none;
  border-radius: 14px;
  padding: 0.75rem 1.1rem;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-soft);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--pink-strong);
  box-shadow: 0 0 0 4px rgba(127, 178, 232, 0.2);
}

.form-tip {
  font-size: 0.9rem;
  min-height: 1.4rem;
  color: var(--mint-strong);
  text-align: center;
}

.form-tip.error {
  color: var(--pink-strong);
}

/* ==========================================================
   页脚
   ========================================================== */
.footer {
  margin-top: 2rem;
  background: rgba(245, 250, 255, 0.7);
  border-top: 1px solid rgba(127, 178, 232, 0.2);
  padding: 2.6rem 0 2rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-top: 0.4rem;
}

.footer-social {
  text-align: right;
  font-size: 0.82rem;
  color: var(--text-soft);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

/* 页脚分类导航 */
.footer-nav-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.8rem 2rem;
}

.footer-nav-label {
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--text-soft);
}

.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.8rem 2rem;
}

.footer-nav a {
  font-size: 0.9rem;
  color: var(--text-light);
  transition: color 0.25s ease;
}

.footer-nav a:hover {
  color: var(--bean-deep);
}

/* ==========================================================
   滚动渐入动画
   ========================================================== */
.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 交错的延迟（用于卡片网格） */
.about-cards .reveal:nth-child(2) { transition-delay: 0.12s; }
.about-cards .reveal:nth-child(3) { transition-delay: 0.24s; }
.card-grid .reveal:nth-child(2) { transition-delay: 0.1s; }
.card-grid .reveal:nth-child(3) { transition-delay: 0.2s; }
.card-grid .reveal:nth-child(4) { transition-delay: 0.3s; }
.works-grid .reveal:nth-child(2) { transition-delay: 0.12s; }
.works-grid .reveal:nth-child(3) { transition-delay: 0.24s; }

/* 动画减弱偏好 */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .bubble,
  .mouse::after {
    animation: none;
  }
}

/* ==========================================================
   响应式适配（移动端）
   ========================================================== */
@media (max-width: 960px) {
  .card-grid,
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid,
  .contact-wrap {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  /* 导航变为抽屉菜单 */
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(320px, 82vw);
    height: 100vh;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 2rem;
    padding: 6.2rem 2.2rem 2rem;
    background: rgba(245, 250, 255, 0.97);
    backdrop-filter: blur(16px);
    box-shadow: -12px 0 32px rgba(110, 159, 216, 0.18);
    transition: right 0.38s ease;
  }

  .nav-menu.open {
    right: 0;
  }

  .nav-list {
    flex-direction: column;
    gap: 1.4rem;
  }

  .nav-link {
    font-size: 1.15rem;
  }

  .nav-cta {
    display: inline-block;
  }

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

  .hero {
    min-height: 92vh;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-social {
    text-align: left;
  }
}

@media (max-width: 520px) {
  .card-grid,
  .product-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-wrap,
  .cta-banner {
    padding: 2rem 1.4rem;
  }

  .cta-banner {
    flex-direction: column;
    align-items: flex-start;
  }

  .section {
    padding: 4rem 0;
  }

  .logo-text small {
    display: none;
  }

  .hero-actions .btn {
    width: 100%;
    text-align: center;
  }
}