/* =========================================
   森木 SENMU CRYSTAL - 全局样式
   ========================================= */

:root {
  --forest-dark:    #1B5E20;
  --forest-mid:     #2E7D32;
  --forest-light:   #4CAF50;
  --forest-bright:  #66BB6A;
  --forest-pale:    #A5D6A7;
  --forest-mist:    #C8E6C9;
  --forest-fog:     #E8F5E9;

  --crystal-purple: #9C27B0;
  --crystal-blue:   #1565C0;
  --crystal-pink:   #F48FB1;
  --crystal-amber:  #FF8F00;

  --gold:           #C9A84C;
  --gold-light:     #F0D080;
  --cream:          #FEFDF8;
  --bark:           #8B6914;

  --text-dark:      #1A2E1A;
  --text-mid:       #2E4A2E;
  --text-soft:      #5A7A5A;
  --text-muted:     #8BA888;

  --shadow-green:   0 8px 32px rgba(46,125,50,0.18);
  --shadow-soft:    0 4px 24px rgba(0,0,0,0.1);
  --radius-lg:      20px;
  --radius-md:      12px;
  --radius-sm:      8px;

  --font-cn:        'Noto Serif SC', 'Songti SC', serif;
  --font-en:        'Cinzel', 'Georgia', serif;
  --font-body:      'Noto Serif SC', 'PingFang SC', sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  min-height: 100vh;
  overflow-x: hidden;
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--text-dark);
}

/* =========================================
   页面切换
   ========================================= */
.page {
  display: none;
  min-height: 100vh;
  opacity: 0;
  transition: opacity 0.6s ease;
}
.page.active {
  display: block;
  opacity: 1;
}
.page.fade-in {
  animation: fadeInPage 0.7s ease forwards;
}
@keyframes fadeInPage {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* =========================================
   登入页
   ========================================= */
#page-login {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg,
    #F0F7EE 0%,
    #E8F5E9 25%,
    #DCEDC8 50%,
    #F3E5F5 75%,
    #FFF8E1 100%
  );
  overflow: hidden;
}

/* 背景装饰元素 */
.login-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.leaf {
  position: absolute;
  font-size: 2rem;
  opacity: 0.25;
  animation: floatLeaf 8s ease-in-out infinite;
  user-select: none;
}
.leaf-1  { top: 8%;   left: 6%;   animation-delay: 0s;   font-size: 2.4rem; }
.leaf-2  { top: 15%;  right: 8%;  animation-delay: 1.5s; font-size: 1.8rem; }
.leaf-3  { top: 45%;  left: 4%;   animation-delay: 3s;   font-size: 2rem; }
.leaf-4  { top: 20%;  left: 25%;  animation-delay: 2s;   font-size: 1.4rem; }
.leaf-5  { bottom: 25%; left: 15%; animation-delay: 4s;  font-size: 1.6rem; }
.leaf-6  { bottom: 15%; right: 12%; animation-delay: 1s; font-size: 2rem; }

.crystal-bg {
  position: absolute;
  font-size: 3rem;
  opacity: 0.12;
  animation: floatCrystal 10s ease-in-out infinite;
  user-select: none;
}
.crystal-1 { top: 30%;   right: 5%;  animation-delay: 0s; }
.crystal-2 { bottom: 30%; left: 5%;  animation-delay: 3s; }
.crystal-3 { top: 65%;   right: 20%; animation-delay: 6s; }

@keyframes floatLeaf {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33%       { transform: translateY(-18px) rotate(8deg); }
  66%       { transform: translateY(8px)  rotate(-5deg); }
}
@keyframes floatCrystal {
  0%, 100% { transform: translateY(0)    scale(1); }
  50%       { transform: translateY(-25px) scale(1.08); }
}

/* 粒子 */
.particles {
  position: absolute;
  inset: 0;
}

/* 中央内容 */
.login-center {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  padding: 60px 40px;
  text-align: center;
  max-width: 520px;
  width: 90%;
}

/* Logo */
.login-logo-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}
.logo-ring {
  position: absolute;
  width: 110px;
  height: 110px;
  border-radius: 50%;
  border: 2px solid rgba(76,175,80,0.3);
  animation: ringPulse 3s ease-in-out infinite;
}
.logo-ring::after {
  content: '';
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  border: 1px solid rgba(165,214,167,0.5);
}
@keyframes ringPulse {
  0%, 100% { transform: scale(1);    opacity: 0.6; }
  50%       { transform: scale(1.06); opacity: 1; }
}

.logo-title {
  font-family: var(--font-cn);
  font-size: clamp(3.5rem, 10vw, 5.5rem);
  font-weight: 600;
  color: var(--forest-mid);
  letter-spacing: 0.15em;
  line-height: 1;
  text-shadow: 0 2px 20px rgba(46,125,50,0.2), 0 0 40px rgba(76,175,80,0.15);
  position: relative;
  z-index: 1;
}

.logo-sub {
  font-family: var(--font-en);
  font-size: clamp(0.85rem, 2.5vw, 1.1rem);
  color: var(--text-soft);
  letter-spacing: 0.35em;
  margin-top: 4px;
  margin-bottom: 18px;
}

/* 分割线 */
.login-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
  width: 240px;
}
.divider-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--forest-pale), transparent);
}
.divider-leaf, .divider-crystal {
  font-size: 1rem;
  opacity: 0.7;
}

/* 每日提示语 */
.login-quote {
  font-family: var(--font-cn);
  font-size: clamp(0.9rem, 2.8vw, 1.08rem);
  color: var(--text-mid);
  line-height: 1.9;
  letter-spacing: 0.06em;
  max-width: 360px;
  margin-bottom: 38px;
  padding: 18px 24px;
  background: rgba(255,255,255,0.55);
  border-radius: var(--radius-md);
  border: 1px solid rgba(165,214,167,0.4);
  backdrop-filter: blur(6px);
  box-shadow: 0 4px 20px rgba(76,175,80,0.08);
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: quoteAppear 1s ease 0.5s both;
}
@keyframes quoteAppear {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* 进入按钮 */
.login-btn {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 36px;
  background: linear-gradient(135deg, var(--forest-mid) 0%, var(--forest-light) 100%);
  color: white;
  border: none;
  border-radius: 50px;
  font-family: var(--font-cn);
  font-size: clamp(0.95rem, 2.5vw, 1.08rem);
  font-weight: 400;
  letter-spacing: 0.06em;
  cursor: pointer;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(46,125,50,0.4), 0 2px 8px rgba(46,125,50,0.2);
  transition: all 0.3s ease;
  animation: btnAppear 1s ease 0.8s both;
}
@keyframes btnAppear {
  from { opacity: 0; transform: translateY(16px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.login-btn:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 14px 40px rgba(46,125,50,0.45), 0 4px 12px rgba(46,125,50,0.25);
}
.login-btn:active {
  transform: translateY(0) scale(0.98);
}
.btn-icon {
  font-size: 1.3rem;
}
.btn-shimmer {
  position: absolute;
  top: -50%;
  left: -75%;
  width: 50%;
  height: 200%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.35), transparent);
  transform: skewX(-20deg);
  animation: shimmerMove 3s ease-in-out infinite 2s;
}
@keyframes shimmerMove {
  0%   { left: -75%; }
  100% { left: 150%; }
}

/* 左下角小树 */
.corner-tree {
  position: fixed;
  bottom: 24px;
  left: 24px;
  cursor: pointer;
  z-index: 20;
  transition: transform 0.3s ease;
  filter: drop-shadow(0 4px 12px rgba(76,175,80,0.3));
}
.corner-tree:hover {
  transform: scale(1.12) translateY(-4px);
}
.corner-tree:hover .tree-hint {
  opacity: 1;
  transform: translateY(-8px);
}
.tree-body { position: relative; }
.tree-hint {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%) translateY(0);
  font-size: 1.1rem;
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
}

/* =========================================
   小树认证弹窗
   ========================================= */
.tree-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 100;
  align-items: center;
  justify-content: center;
}
.tree-modal.open {
  display: flex;
}

.tree-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(20,50,20,0.45);
  backdrop-filter: blur(4px);
}

.tree-modal-box {
  position: relative;
  z-index: 1;
  background: linear-gradient(145deg, #F1F8E9, #DCEDC8, #F3E5F5);
  border-radius: 24px;
  padding: 36px 32px 28px;
  width: min(420px, 90vw);
  border: 2px solid rgba(102,187,106,0.4);
  box-shadow: 0 20px 60px rgba(46,125,50,0.25), 0 0 0 6px rgba(165,214,167,0.2);
  animation: modalPop 0.4s cubic-bezier(0.34,1.56,0.64,1);
}
@keyframes modalPop {
  from { transform: scale(0.7) translateY(30px); opacity: 0; }
  to   { transform: scale(1) translateY(0);      opacity: 1; }
}

.modal-deco {
  position: absolute;
  pointer-events: none;
  opacity: 0.85;
}
.modal-deco-tl { top: -10px; left: -10px; }
.modal-deco-br { bottom: -10px; right: -10px; transform: rotate(180deg); }

.modal-title-area {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 24px;
}
.modal-tree-icon { font-size: 1.6rem; }
.modal-title {
  font-family: var(--font-cn);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--forest-dark);
  letter-spacing: 0.08em;
}

.modal-question-wrap {
  background: rgba(255,255,255,0.6);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 18px;
  border: 1px solid rgba(165,214,167,0.5);
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.modal-crystal-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  margin-top: 2px;
}
.modal-question {
  font-family: var(--font-cn);
  font-size: 0.98rem;
  color: var(--text-mid);
  line-height: 1.8;
  letter-spacing: 0.04em;
}

.modal-input-wrap {
  position: relative;
  margin-bottom: 8px;
}
.modal-input {
  width: 100%;
  padding: 13px 44px 13px 16px;
  border: 2px solid var(--forest-mist);
  border-radius: 12px;
  font-family: var(--font-cn);
  font-size: 0.95rem;
  color: var(--text-dark);
  background: rgba(255,255,255,0.8);
  outline: none;
  transition: border-color 0.3s;
  letter-spacing: 0.06em;
}
.modal-input:focus {
  border-color: var(--forest-light);
  box-shadow: 0 0 0 3px rgba(76,175,80,0.15);
}
.input-leaf {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.1rem;
  pointer-events: none;
}

.modal-hint {
  font-size: 0.82rem;
  color: #e53935;
  min-height: 20px;
  padding: 0 4px;
  margin-bottom: 12px;
  transition: all 0.3s;
}
.modal-hint.success {
  color: var(--forest-mid);
}

.modal-btn {
  width: 100%;
  padding: 13px;
  background: linear-gradient(135deg, var(--forest-mid), var(--forest-bright));
  color: white;
  border: none;
  border-radius: 12px;
  font-family: var(--font-cn);
  font-size: 1rem;
  cursor: pointer;
  letter-spacing: 0.06em;
  transition: all 0.3s;
  box-shadow: 0 4px 16px rgba(46,125,50,0.3);
}
.modal-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(46,125,50,0.4);
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 16px;
  width: 32px;
  height: 32px;
  border: none;
  background: rgba(255,255,255,0.6);
  border-radius: 50%;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text-soft);
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-close:hover {
  background: rgba(255,255,255,0.9);
  color: var(--text-dark);
}

/* =========================================
   导航栏（展示页/上传页公用）
   ========================================= */
.show-nav, .upload-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 32px;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(165,214,167,0.4);
  box-shadow: 0 2px 12px rgba(46,125,50,0.08);
}

.nav-logo {
  display: flex;
  align-items: baseline;
  gap: 10px;
  cursor: pointer;
  text-decoration: none;
}
.nav-logo-text {
  font-family: var(--font-cn);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--forest-mid);
  letter-spacing: 0.1em;
}
.nav-logo-sub {
  font-family: var(--font-en);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.2em;
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-muted);
  font-family: var(--font-cn);
  letter-spacing: 0.05em;
}

.back-show-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  background: var(--forest-fog);
  border: 1px solid var(--forest-mist);
  border-radius: 20px;
  color: var(--forest-mid);
  font-family: var(--font-cn);
  font-size: 0.88rem;
  cursor: pointer;
  transition: all 0.3s;
}
.back-show-btn:hover {
  background: var(--forest-mist);
}

/* =========================================
   展示页 Section
   ========================================= */
#page-show {
  background: var(--cream);
}

/* 轮播图 */
.section-banner {
  position: relative;
  height: min(480px, 60vw);
  min-height: 280px;
  overflow: hidden;
}
.banner-slider {
  display: flex;
  height: 100%;
  transition: transform 0.7s cubic-bezier(0.4,0,0.2,1);
}
.banner-slide {
  min-width: 100%;
  height: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* 轮播图：有上传素材时显示图片 */
.banner-slide-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.banner-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  color: white;
  padding: 20px;
  gap: 8px;
}

.banner-crystals {
  display: flex;
  gap: 16px;
  margin-bottom: 4px;
}
.b-crystal {
  font-size: 1.8rem;
  animation: crystalFloat 3s ease-in-out infinite;
}
.b-crystal:nth-child(2) { animation-delay: 1s; }
.b-crystal:nth-child(3) { animation-delay: 2s; }
@keyframes crystalFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

.banner-title {
  font-family: var(--font-cn);
  font-size: clamp(1.4rem, 4vw, 2.2rem);
  font-weight: 600;
  text-shadow: 0 2px 12px rgba(0,0,0,0.3);
  letter-spacing: 0.1em;
}
.banner-sub {
  font-size: clamp(0.8rem, 2vw, 1rem);
  opacity: 0.88;
  letter-spacing: 0.08em;
  font-family: var(--font-cn);
}

.banner-jewels {
  margin-top: 8px;
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}
.jewel-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.jewel-showcase {
  background: rgba(255,255,255,0.15);
  border-radius: 16px;
  padding: 8px;
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.25);
  transition: transform 0.3s;
}
.jewel-showcase:hover { transform: scale(1.05); }
.jewel-crystal-display svg { display: block; }
.jewel-name {
  font-size: 0.82rem;
  font-family: var(--font-cn);
  letter-spacing: 0.06em;
  opacity: 0.9;
}

/* 轮播控制 */
.banner-prev, .banner-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.25);
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 1.6rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  transition: all 0.3s;
  line-height: 1;
}
.banner-prev { left: 16px; }
.banner-next { right: 16px; }
.banner-prev:hover, .banner-next:hover {
  background: rgba(255,255,255,0.45);
  transform: translateY(-50%) scale(1.1);
}

.banner-dots {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  cursor: pointer;
  transition: all 0.3s;
}
.dot.active {
  width: 24px;
  border-radius: 4px;
  background: white;
}

/* Section 通用 */
.show-section {
  padding: 40px 32px;
  max-width: 1200px;
  margin: 0 auto;
}
@media (max-width: 640px) {
  .show-section { padding: 28px 16px; }
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.section-title-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-dot { font-size: 1.2rem; }
.section-title {
  font-family: var(--font-cn);
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  font-weight: 600;
  color: var(--text-dark);
  letter-spacing: 0.08em;
  position: relative;
}
.section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--forest-light), transparent);
  border-radius: 1px;
}

.more-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: var(--forest-fog);
  border: 1px solid var(--forest-mist);
  border-radius: 20px;
  color: var(--forest-mid);
  font-family: var(--font-cn);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.3s;
  letter-spacing: 0.04em;
}
.more-btn:hover {
  background: var(--forest-mist);
  transform: translateY(-1px);
}
.more-tree { font-size: 1rem; }

/* 产品网格 */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}
@media (max-width: 480px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
}

.product-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: all 0.3s ease;
  border: 1px solid rgba(165,214,167,0.2);
  cursor: pointer;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-green);
  border-color: rgba(102,187,106,0.4);
}

.product-img-wrap {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: linear-gradient(135deg, var(--forest-fog), #F3E5F5);
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.product-card:hover .product-img-wrap img {
  transform: scale(1.06);
}
.product-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  height: 100%;
}
.product-placeholder-icon {
  font-size: 3rem;
}
.product-placeholder-svg {
  padding: 16px;
}

.product-info {
  padding: 14px 14px 16px;
}
.product-name {
  font-family: var(--font-cn);
  font-size: 0.92rem;
  color: var(--text-dark);
  letter-spacing: 0.04em;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.product-tag {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-cn);
  letter-spacing: 0.04em;
}

/* 底部 */
.show-footer {
  background: linear-gradient(135deg, var(--forest-dark), var(--forest-mid));
  color: rgba(255,255,255,0.88);
  text-align: center;
  padding: 40px 24px;
  margin-top: 20px;
}
.footer-logo {
  font-family: var(--font-cn);
  font-size: 1.3rem;
  letter-spacing: 0.15em;
  margin-bottom: 10px;
  opacity: 0.95;
}
.footer-text {
  font-size: 0.85rem;
  opacity: 0.72;
  font-family: var(--font-cn);
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}
.footer-copy {
  font-size: 0.75rem;
  opacity: 0.5;
  letter-spacing: 0.04em;
}

/* =========================================
   素材上传页
   ========================================= */
#page-upload {
  background: var(--cream);
  min-height: 100vh;
}

.upload-section {
  border-bottom: 1px solid rgba(165,214,167,0.3);
  padding: 0;
}

.upload-section-header {
  padding: 24px 32px 20px;
  cursor: default;
}
@media (max-width: 640px) {
  .upload-section-header { padding: 20px 16px 16px; }
}

.upload-title-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}
.upload-dot { font-size: 1.3rem; }
.upload-title {
  font-family: var(--font-cn);
  font-size: clamp(1rem, 3vw, 1.3rem);
  font-weight: 600;
  color: var(--text-dark);
  letter-spacing: 0.08em;
}

.upload-tree-btn {
  background: var(--forest-fog);
  border: 1px solid var(--forest-mist);
  border-radius: 10px;
  padding: 6px 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  line-height: 0;
}
.upload-tree-btn:hover {
  background: var(--forest-mist);
  transform: scale(1.08);
}
.upload-tree-btn svg { display: block; }

.upload-panel {
  padding: 0 32px 28px;
  animation: slideDown 0.35s ease;
}
@media (max-width: 640px) {
  .upload-panel { padding: 0 16px 20px; }
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.upload-actions {
  margin-bottom: 16px;
}

.upload-add-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  background: linear-gradient(135deg, var(--forest-mid), var(--forest-bright));
  color: white;
  border: none;
  border-radius: 10px;
  font-family: var(--font-cn);
  font-size: 0.92rem;
  cursor: pointer;
  letter-spacing: 0.05em;
  transition: all 0.3s;
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(46,125,50,0.3);
}
.upload-add-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(46,125,50,0.4);
}

.upload-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
}
@media (max-width: 480px) {
  .upload-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
}

.upload-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 1;
  background: var(--forest-fog);
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
  border: 2px solid transparent;
  transition: all 0.3s;
}
.upload-item:hover {
  border-color: var(--forest-bright);
  transform: translateY(-3px);
}
.upload-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.upload-item-name {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.65));
  color: white;
  font-size: 0.75rem;
  padding: 18px 8px 6px;
  font-family: var(--font-cn);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 0;
  transition: opacity 0.3s;
}
.upload-item:hover .upload-item-name { opacity: 1; }

.upload-delete-btn {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 26px;
  height: 26px;
  background: rgba(229,57,53,0.9);
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 0.8rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all 0.2s;
  z-index: 2;
}
.upload-item:hover .upload-delete-btn { opacity: 1; }
.upload-delete-btn:hover {
  background: #c62828;
  transform: scale(1.15);
}

.upload-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
  font-family: var(--font-cn);
  font-size: 0.9rem;
}
.upload-empty-icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 10px;
}

/* =========================================
   Toast 全局提示
   ========================================= */
.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(30,60,30,0.9);
  color: white;
  padding: 12px 24px;
  border-radius: 24px;
  font-family: var(--font-cn);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  pointer-events: none;
  opacity: 0;
  transition: all 0.35s ease;
  z-index: 999;
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
  white-space: nowrap;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* =========================================
   响应式
   ========================================= */
@media (max-width: 768px) {
  .show-nav, .upload-nav {
    padding: 12px 16px;
  }
  .nav-right .nav-tagline { display: none; }
  .corner-tree { bottom: 16px; left: 16px; }
  .corner-tree svg { width: 60px; height: 75px; }
}

@media (max-width: 480px) {
  .login-center { padding: 40px 20px; }
  .login-btn { padding: 14px 24px; font-size: 0.9rem; }
  .banner-slide { min-height: 260px; }
}

/* =========================================
   滚动条美化
   ========================================= */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--forest-fog); }
::-webkit-scrollbar-thumb {
  background: var(--forest-mist);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: var(--forest-pale); }

/* =========================================
   更多页面 overlay
   ========================================= */
.more-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(20,40,20,0.5);
  backdrop-filter: blur(6px);
  align-items: flex-end;
  justify-content: center;
}
.more-overlay.open { display: flex; }
.more-panel {
  background: white;
  border-radius: 24px 24px 0 0;
  padding: 28px 24px 40px;
  width: 100%;
  max-width: 720px;
  max-height: 80vh;
  overflow-y: auto;
  animation: slideUp 0.4s ease;
}
@keyframes slideUp {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}
.more-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.more-panel-title {
  font-family: var(--font-cn);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-dark);
  letter-spacing: 0.06em;
}
.more-panel-close {
  width: 30px;
  height: 30px;
  border: none;
  background: var(--forest-fog);
  border-radius: 50%;
  cursor: pointer;
  color: var(--text-soft);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
}