/* ============================
   蘑菇视频 官网样式
   自然治愈 · 轻杂志感
   ============================ */

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

:root {
  --color-cream: #f9f5ef;
  --color-warm-white: #fdfaf5;
  --color-sand: #e8dcc8;
  --color-wood: #c4a882;
  --color-fog-green: #b8c9b0;
  --color-warm-gray: #8a8278;
  --color-dark: #3a3530;
  --color-text: #4a4540;
  --color-text-light: #7a7268;
  --color-accent: #9aab8e;
  --color-accent-warm: #c8a96e;
  --font-main: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --transition: all 0.4s ease;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(58,53,48,0.08);
}

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

body {
  font-family: var(--font-main);
  background-color: var(--color-warm-white);
  color: var(--color-text);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ============================
   顶部导航
   ============================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(253,250,245,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(196,168,130,0.15);
  padding: 0 2rem;
}

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

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-dark);
  letter-spacing: 0.02em;
}

.site-logo .logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-fog-green), var(--color-accent-warm));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.site-nav a {
  padding: 0.5rem 0.9rem;
  font-size: 0.9rem;
  color: var(--color-text-light);
  border-radius: 20px;
  transition: var(--transition);
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--color-dark);
  background: rgba(196,168,130,0.12);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================
   搜索框
   ============================ */
.search-bar-wrap {
  background: var(--color-cream);
  border-bottom: 1px solid rgba(196,168,130,0.12);
  padding: 0.6rem 2rem;
}

.search-bar-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.search-input {
  flex: 1;
  max-width: 480px;
  padding: 0.5rem 1.2rem;
  border: 1px solid var(--color-sand);
  border-radius: 24px;
  background: var(--color-warm-white);
  font-family: var(--font-main);
  font-size: 0.88rem;
  color: var(--color-text);
  outline: none;
  transition: var(--transition);
}

.search-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(154,171,142,0.15);
}

.search-btn {
  padding: 0.5rem 1.2rem;
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: 24px;
  font-size: 0.88rem;
  cursor: pointer;
  transition: var(--transition);
}

.search-btn:hover {
  background: var(--color-warm-gray);
}

/* ============================
   首屏 Hero
   ============================ */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-cream);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero-morning.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.55;
  animation: heroFloat 8s ease-in-out infinite alternate;
}

@keyframes heroFloat {
  from { transform: scale(1); }
  to   { transform: scale(1.04); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(249,245,239,0.75) 0%, rgba(249,245,239,0.3) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2rem;
  animation: fadeInUp 1s ease both;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-tag {
  display: inline-block;
  padding: 0.3rem 1rem;
  background: rgba(154,171,142,0.2);
  color: var(--color-accent);
  border-radius: 20px;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.3;
  margin-bottom: 1rem;
  max-width: 600px;
}

.hero h1 em {
  font-style: normal;
  color: var(--color-accent);
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--color-text-light);
  max-width: 480px;
  margin-bottom: 2.5rem;
  line-height: 1.9;
}

.hero-btns {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-primary {
  padding: 0.8rem 2rem;
  background: var(--color-dark);
  color: var(--color-warm-white);
  border-radius: 30px;
  font-size: 0.95rem;
  transition: var(--transition);
  border: 2px solid var(--color-dark);
}

.btn-primary:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.btn-outline {
  padding: 0.8rem 2rem;
  background: transparent;
  color: var(--color-dark);
  border: 2px solid var(--color-sand);
  border-radius: 30px;
  font-size: 0.95rem;
  transition: var(--transition);
}

.btn-outline:hover {
  border-color: var(--color-dark);
  transform: translateY(-2px);
}

/* ============================
   通用区块
   ============================ */
.section {
  padding: 5rem 2rem;
}

.section-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0.8rem;
}

.section-desc {
  font-size: 0.98rem;
  color: var(--color-text-light);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.9;
}

/* ============================
   视频卡片
   ============================ */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.8rem;
}

.video-card {
  background: var(--color-warm-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  cursor: pointer;
}

.video-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(58,53,48,0.14);
}

.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--color-sand);
}

.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.video-card:hover .video-thumb img {
  transform: scale(1.06);
}

.play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
  background: rgba(58,53,48,0.3);
}

.video-card:hover .play-btn {
  opacity: 1;
}

.play-icon {
  width: 56px;
  height: 56px;
  background: rgba(255,255,255,0.92);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: scale(0.8);
  transition: transform 0.3s ease;
}

.video-card:hover .play-icon {
  transform: scale(1);
}

.play-icon::after {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent var(--color-dark);
  margin-left: 4px;
}

.video-meta {
  display: flex;
  gap: 0.8rem;
  font-size: 0.75rem;
  color: var(--color-text-light);
  padding: 0.5rem 1rem 0;
}

.video-info {
  padding: 0.8rem 1rem 1.2rem;
}

.video-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 0.4rem;
  line-height: 1.5;
}

.video-desc {
  font-size: 0.82rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

.video-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.6rem;
}

.tag {
  padding: 0.2rem 0.6rem;
  background: var(--color-cream);
  color: var(--color-warm-gray);
  border-radius: 10px;
  font-size: 0.72rem;
}

/* ============================
   品牌日常 - 拼贴式
   ============================ */
.daily-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.daily-grid.reverse {
  direction: rtl;
}

.daily-grid.reverse > * {
  direction: ltr;
}

.daily-img {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
}

.daily-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.daily-img:hover img {
  transform: scale(1.04);
}

.daily-text {
  padding: 1.5rem;
}

.daily-label {
  font-size: 0.78rem;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  margin-bottom: 0.8rem;
}

.daily-text h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 1rem;
  line-height: 1.4;
}

.daily-text p {
  color: var(--color-text-light);
  line-height: 1.9;
  margin-bottom: 0.8rem;
}

/* ============================
   品牌理念
   ============================ */
.concept-bg {
  background: var(--color-cream);
}

.concept-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.concept-card {
  padding: 2rem;
  background: var(--color-warm-white);
  border-radius: var(--radius);
  border-left: 3px solid var(--color-fog-green);
  transition: var(--transition);
}

.concept-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.concept-icon {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.concept-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0.6rem;
}

.concept-card p {
  font-size: 0.88rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* ============================
   品牌好物
   ============================ */
.goods-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 2rem;
}

.goods-card {
  background: var(--color-warm-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.goods-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 36px rgba(58,53,48,0.12);
}

.goods-img {
  aspect-ratio: 4/3;
  overflow: hidden;
}

.goods-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.goods-card:hover .goods-img img {
  transform: scale(1.05);
}

.goods-info {
  padding: 1.2rem;
}

.goods-category {
  font-size: 0.75rem;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
}

.goods-info h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0.4rem;
}

.goods-info p {
  font-size: 0.83rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

.goods-mood {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.8rem;
}

/* ============================
   品牌陪伴 - 步骤卡片
   ============================ */
.companion-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
}

.companion-steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 10%;
  right: 10%;
  height: 1px;
  background: var(--color-sand);
}

.step-card {
  text-align: center;
  padding: 2rem 1rem;
  background: var(--color-warm-white);
  border-radius: var(--radius);
  position: relative;
  transition: var(--transition);
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.step-num {
  width: 48px;
  height: 48px;
  background: var(--color-cream);
  border: 2px solid var(--color-sand);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent);
  margin: 0 auto 1rem;
  position: relative;
  z-index: 1;
  background: var(--color-warm-white);
}

.step-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0.5rem;
}

.step-card p {
  font-size: 0.82rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ============================
   品牌札记
   ============================ */
.notes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.note-card {
  background: var(--color-warm-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.note-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 36px rgba(58,53,48,0.12);
}

.note-img {
  aspect-ratio: 16/9;
  overflow: hidden;
}

.note-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.note-card:hover .note-img img {
  transform: scale(1.05);
}

.note-body {
  padding: 1.4rem;
}

.note-category {
  font-size: 0.75rem;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.note-body h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.note-body p {
  font-size: 0.83rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

.note-date {
  font-size: 0.75rem;
  color: var(--color-sand);
  margin-top: 0.8rem;
}

/* ============================
   用户评价
   ============================ */
.reviews-bg {
  background: var(--color-cream);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.8rem;
}

.review-card {
  background: var(--color-warm-white);
  border-radius: var(--radius);
  padding: 1.8rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.review-card:hover {
  transform: translateY(-3px);
}

.review-quote {
  font-size: 2rem;
  color: var(--color-fog-green);
  line-height: 1;
  margin-bottom: 0.8rem;
}

.review-text {
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.9;
  margin-bottom: 1.2rem;
  font-style: italic;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.review-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-fog-green), var(--color-sand));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--color-warm-white);
  font-weight: 600;
}

.review-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-dark);
}

.review-label {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

/* ============================
   FAQ
   ============================ */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-sand);
  padding: 1.4rem 0;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--color-dark);
  gap: 1rem;
}

.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--color-accent);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.9;
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding-top: 0.8rem;
}

/* ============================
   品牌相遇
   ============================ */
.meeting-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.meeting-info h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 1rem;
}

.meeting-info p {
  color: var(--color-text-light);
  line-height: 1.9;
  margin-bottom: 1.5rem;
}

.contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.contact-list li {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.9rem;
  color: var(--color-text);
}

.contact-icon {
  width: 36px;
  height: 36px;
  background: var(--color-cream);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.meeting-form {
  background: var(--color-cream);
  border-radius: var(--radius);
  padding: 2.5rem;
}

.meeting-form h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.7rem 1rem;
  border: 1px solid var(--color-sand);
  border-radius: 8px;
  background: var(--color-warm-white);
  font-family: var(--font-main);
  font-size: 0.9rem;
  color: var(--color-text);
  outline: none;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
}

.form-group textarea {
  height: 100px;
  resize: vertical;
}

/* ============================
   页脚
   ============================ */
.site-footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.7);
  padding: 3rem 2rem 1.5rem;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .site-logo {
  color: rgba(255,255,255,0.9);
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: 0.85rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.55);
}

.footer-col h4 {
  font-size: 0.88rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-col ul li a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: rgba(255,255,255,0.85);
}

.footer-bottom {
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}

.footer-bottom a {
  color: rgba(255,255,255,0.4);
}

.footer-bottom a:hover {
  color: rgba(255,255,255,0.7);
}

/* ============================
   面包屑
   ============================ */
.breadcrumb {
  padding: 1rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  font-size: 0.82rem;
  color: var(--color-text-light);
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.breadcrumb a {
  color: var(--color-text-light);
}

.breadcrumb a:hover {
  color: var(--color-dark);
}

.breadcrumb span {
  color: var(--color-sand);
}

/* ============================
   页面 Banner
   ============================ */
.page-banner {
  padding: 5rem 2rem 3rem;
  background: var(--color-cream);
  text-align: center;
}

.page-banner h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0.8rem;
}

.page-banner p {
  font-size: 1rem;
  color: var(--color-text-light);
  max-width: 480px;
  margin: 0 auto;
}

/* ============================
   动效
   ============================ */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================
   移动端适配
   ============================ */
@media (max-width: 768px) {
  .site-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--color-warm-white);
    flex-direction: column;
    padding: 1rem;
    border-bottom: 1px solid var(--color-sand);
    box-shadow: 0 8px 24px rgba(58,53,48,0.1);
  }

  .site-nav.open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .site-header {
    position: relative;
  }

  .hero {
    min-height: 70vh;
  }

  .daily-grid,
  .meeting-grid {
    grid-template-columns: 1fr;
  }

  .daily-grid.reverse {
    direction: ltr;
  }

  .concept-grid,
  .notes-grid {
    grid-template-columns: 1fr;
  }

  .companion-steps {
    grid-template-columns: 1fr 1fr;
  }

  .companion-steps::before {
    display: none;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .section {
    padding: 3rem 1.2rem;
  }

  .search-bar-wrap {
    padding: 0.6rem 1rem;
  }
}

@media (max-width: 480px) {
  .companion-steps {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .hero-btns {
    flex-direction: column;
  }

  .btn-primary,
  .btn-outline {
    text-align: center;
  }
}