/* ============================================================
   好世商贸 — 品牌时装代理官网 · 自定义样式
   ============================================================ */

/* ---------- 变量 ---------- */
:root {
  --font-serif: Georgia, 'Times New Roman', 'Songti SC', 'Noto Serif CJK SC', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --green-900: #0d1b0d;
  --green-800: #1a2e1a;
  --green-700: #2d4a2d;
  --green-600: #3a6a3a;
  --green-500: #4a854a;
  --green-400: #6ba36b;
  --green-300: #9bc39b;
  --green-200: #c2dcc2;
  --green-50:  #f2f7f2;
  --gold:      #c4a45a;
  --gold-light:#e8d5a3;
  --cream:     #f5f2ed;
  --dark:      #1a1a1a;
}

/* ---------- 基础重置 ---------- */
*, *::before, *::after {
  margin: 0; padding: 0; box-sizing: border-box;
}
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  color: var(--dark);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------- 毛玻璃导航 ---------- */
.glass-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.90);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  transition: box-shadow 0.35s ease, background 0.35s ease;
}
.glass-nav.scrolled {
  box-shadow: 0 1px 16px rgba(0, 0, 0, 0.06);
}

/* ---------- 英雄区（首屏）--------- */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, #0d1b0d 0%, #1a2e1a 30%, #0f1f0f 60%, #0a120a 100%);
}
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.hero-glow-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(74,133,74,0.08) 0%, transparent 70%);
  top: -20%; left: -10%;
  animation: glowPulse 12s ease-in-out infinite alternate;
}
.hero-glow-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(196,164,90,0.05) 0%, transparent 70%);
  bottom: -10%; right: -5%;
  animation: glowPulse 15s ease-in-out 3s infinite alternate;
}
@keyframes glowPulse {
  0%   { opacity: 0.6; transform: scale(1) translate(0, 0); }
  100% { opacity: 1;   transform: scale(1.15) translate(30px, -20px); }
}
.hero-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.04);
  pointer-events: none;
}
.hero-ring-1 {
  width: 500px; height: 500px;
  top: 10%; right: 5%;
  animation: ringFloat 30s ease-in-out infinite;
}
.hero-ring-2 {
  width: 350px; height: 350px;
  bottom: 15%; left: 8%;
  animation: ringFloat 25s ease-in-out 5s infinite reverse;
}
.hero-ring-3 {
  width: 200px; height: 200px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation: ringFloat 20s ease-in-out 2s infinite;
}
@keyframes ringFloat {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33%      { transform: translate(20px, -20px) rotate(5deg); }
  66%      { transform: translate(-15px, 15px) rotate(-3deg); }
}
.hero-dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

/* 英雄区文字动画 */
.hero-title-line {
  display: block;
  opacity: 0;
  transform: translateY(40px);
  animation: heroFadeIn 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.hero-title-line:nth-child(1) { animation-delay: 0.2s; }
.hero-title-line:nth-child(2) { animation-delay: 0.5s; }

/* 流体自适应字型 — 随视口平滑缩放 */
.hero-main-title {
  font-size: clamp(2rem, 7.5vw, 5rem);
}
.hero-sub-line {
  font-size: clamp(0.85rem, 2.8vw, 2.5rem);
}
.hero-subtitle {
  opacity: 0;
  transform: translateY(30px);
  animation: heroFadeIn 1s cubic-bezier(0.16, 1, 0.3, 1) 0.7s forwards;
}
.hero-cta-group {
  opacity: 0;
  transform: translateY(30px);
  animation: heroFadeIn 1s cubic-bezier(0.16, 1, 0.3, 1) 1.0s forwards;
}
.hero-scroll {
  opacity: 0;
  animation: heroFadeIn 0.8s ease 1.5s forwards;
}
@keyframes heroFadeIn {
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- 自定义按钮 ---------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 2.2rem;
  border-radius: 9999px;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  background: #4a854a;
  color: white;
  border: none;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary:hover {
  background: #3a6a3a;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(74, 133, 74, 0.30);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2.2rem;
  border-radius: 9999px;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1.5px solid rgba(255, 255, 255, 0.30);
  color: white;
  background: transparent;
  cursor: pointer;
  text-decoration: none;
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.50);
  transform: translateY(-2px);
}

/* ================================================================
   品牌全屏轮播
   ================================================================ */
.brand-carousel-section {
  position: relative;
  height: 100vh;
  background: #000;
  overflow: hidden;
}
.carousel-container {
  position: relative;
  width: 100%;
  height: 100%;
}

/* 轮播标签 */
.carousel-label {
  position: absolute;
  top: 1.5rem;
  left: 2rem;
  z-index: 20;
  color: rgba(255,255,255,0.20);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  pointer-events: none;
}
@media (min-width: 768px) {
  .carousel-label { top: 2rem; left: 3rem; }
}

/* 加载/错误 */
.carousel-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 15;
  background: #000;
}

/* Slides 轨道 */
.carousel-track {
  position: relative;
  width: 100%;
  height: 100%;
}

/* 单张 Slide */
.carousel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1s ease;
  z-index: 1;
  pointer-events: none;
}
.carousel-slide.active {
  opacity: 1;
  z-index: 2;
  pointer-events: auto;
}

/* 背景媒体 —— 双图并排 */
.slide-bg {
  position: absolute;
  inset: 0;
  display: flex;
}
.slide-media-el {
  flex: 1;
  width: 50%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.slide-media-secondary { display: block; }
.slide-placeholder {
  background: linear-gradient(135deg, #1a2e1a 0%, #0d1b0d 100%);
}
@media (max-width: 768px) {
  .slide-media-secondary { display: none; }
  .slide-media-el { width: 100%; }
}

/* 渐变遮罩 */
.slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.05) 0%,
    rgba(0,0,0,0.25) 50%,
    rgba(0,0,0,0.75) 100%
  );
  z-index: 2;
}

/* 文字内容 */
.slide-content {
  position: absolute;
  bottom: 6rem;
  left: 2rem;
  right: 2rem;
  z-index: 3;
  color: white;
}
@media (min-width: 768px) {
  .slide-content { left: 4rem; right: 4rem; bottom: 7rem; }
}
@media (min-width: 1024px) {
  .slide-content { left: 5rem; bottom: 8rem; }
}

/* 文字入场（每张 slide 激活时淡入上升） */
.slide-text > * {
  transform: translateY(24px);
  opacity: 0;
  transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.carousel-slide.active .slide-text > *:nth-child(1) { transition-delay: 0.3s; }
.carousel-slide.active .slide-text > *:nth-child(2) { transition-delay: 0.42s; }
.carousel-slide.active .slide-text > *:nth-child(3) { transition-delay: 0.54s; }
.carousel-slide.active .slide-text > * {
  transform: translateY(0);
  opacity: 1;
}

/* Logo 图片 — 优先于品牌名展示 */
.slide-brand-wrap {
  position: relative;
}
.slide-logo {
  max-height: 4rem;
  width: auto;
  display: block;
  filter: brightness(1.1) drop-shadow(0 2px 8px rgba(0,0,0,0.15));
}
/* Logo 加载失败 → 隐藏自己、显示文字品牌名 */
.slide-logo.logo-err { display: none; }
.slide-logo.logo-err + .slide-brand-name.logo-mode { display: block; }
.slide-brand-name.logo-mode { display: none; }

.slide-brand-name {
  font-size: clamp(2.4rem, 5vw, 5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-family: var(--font-serif);
  line-height: 1.1;
}
.slide-brand-cn {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.45);
  margin-top: 0.35rem;
  letter-spacing: 0.06em;
}
.slide-desc {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.40);
  margin-top: 1rem;
  max-width: 30rem;
  line-height: 1.7;
}
@media (min-width: 768px) {
  .slide-brand-cn { font-size: 1.15rem; }
  .slide-desc { font-size: 0.95rem; margin-top: 1.2rem; }
}

/* 页码 */
.carousel-counter {
  position: absolute;
  top: 1.2rem;
  right: 1.5rem;
  z-index: 20;
  font-family: var(--font-serif);
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.1em;
  pointer-events: none;
}
@media (min-width: 768px) {
  .carousel-counter { top: 2rem; right: 2.5rem; font-size: 0.9rem; }
}

/* 箭头按钮 */
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 2.8rem; height: 2.8rem;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.5);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}
.carousel-btn:hover {
  background: rgba(255,255,255,0.10);
  color: white;
  border-color: rgba(255,255,255,0.18);
}
.carousel-prev { left: 0.75rem; }
.carousel-next { right: 0.75rem; }
@media (min-width: 768px) {
  .carousel-btn { width: 3.2rem; height: 3.2rem; }
  .carousel-prev { left: 1.5rem; }
  .carousel-next { right: 1.5rem; }
}

/* 指示点 */
.carousel-dots {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.carousel-dot {
  width: 0.4rem; height: 0.4rem;
  border-radius: 50%;
  background: rgba(255,255,255,0.20);
  cursor: pointer;
  transition: all 0.35s ease;
}
.carousel-dot.active {
  background: white;
  width: 1.4rem;
  border-radius: 0.25rem;
}
.carousel-dot:hover {
  background: rgba(255,255,255,0.45);
}

/* ---------- 核心价值观卡片 ---------- */
.value-card {
  text-align: center;
  padding: 2.5rem 1.5rem;
  border-radius: 1.25rem;
  background: white;
  border: 1px solid rgba(0,0,0,0.04);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}
.value-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 32px -12px rgba(0,0,0,0.10);
  border-color: rgba(74,133,74,0.15);
}
.value-icon {
  width: 3.5rem; height: 3.5rem;
  margin: 0 auto 1.25rem;
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--green-50), #e8f0e8);
  transition: transform 0.4s ease;
}
.value-card:hover .value-icon {
  transform: scale(1.08);
}

/* ---------- 页面区段通用 ---------- */
.section-divider {
  width: 3rem; height: 3px;
  background: linear-gradient(90deg, var(--green-500), var(--gold));
  border-radius: 2px;
  margin: 0 auto 1rem;
}
.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 0.75rem;
  font-family: var(--font-serif);
}
.section-subtitle {
  font-size: 1.05rem;
  color: #6b7280;
  text-align: center;
  max-width: 38rem;
  margin: 0 auto;
}

/* ---------- 移动端菜单 ---------- */
.mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}
.mobile-menu.open { max-height: 24rem; }

/* ---------- 页脚分隔线 ---------- */
.footer-divider {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08) 20%, rgba(255,255,255,0.08) 80%, transparent);
}

/* ---------- 响应式 ---------- */
@media (max-width: 640px) {
  .section-title { font-size: 1.7rem; }
  .section-subtitle { font-size: 0.95rem; margin-bottom: 1.5rem; }
  .value-card { padding: 2rem 1.25rem; }
  .carousel-dots { gap: 0.4rem; }
}