:root{
  --canvas:#F5F5F5;
  --paper:#FFFFFF;
  --card-bg:#FFFFFF;
  --highlight-bg:#FFF0E5;
  --ink:#333333;
  --muted:#757575;
  --line:#E0E0E0;
  --accent:#FF6700;        /* 小米科技橙 */
  --accent-glow:#FFA05C;
  --deal-price:#FF6700;    /* 小米价格橙 */
  --glass-tint:rgba(255,255,255,0.35);
  --glass-border:rgba(255,255,255,0.75);
  --glass-shadow:0 20px 48px -12px rgba(0,0,0,0.10), 0 4px 16px rgba(0,0,0,0.05);
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Rounded", "PingFang SC", "Hiragino Sans GB", "MiSans", "Microsoft YaHei", "微软雅黑", sans-serif;
  --serif: var(--sans);
}


*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
em, i, cite, address, dfn, var{font-style:normal!important}
html{scroll-behavior:smooth;-webkit-tap-highlight-color:transparent}
body{
  font-family:var(--sans);background:var(--canvas);color:var(--ink);
  line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;
  transition:background-color .4s ease, color .4s ease;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{cursor:pointer;border:none;background:none;font-family:inherit;font-size:inherit}
input,select,textarea{font-family:inherit;font-size:inherit}

/* 自然微风呼吸律动 */
@keyframes windSway {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  35%      { transform: translateY(-4px) rotate(0.4deg); }
  70%      { transform: translateY(-1.5px) rotate(-0.3deg); }
}
.wind-card { animation: windSway 7s ease-in-out infinite; }
.wind-card:hover { animation-play-state: paused; }

/* ==========================================================================
   灵动岛导航（Liquid Island）
   ========================================================================== */
.island-nav{
  position:fixed;top:18px;left:50%;transform:translateX(-50%);
  z-index:200;width:max-content;max-width:calc(100vw - 32px);
}
.island-inner{
  display:flex;align-items:center;gap:6px;padding:7px 14px;border-radius:999px;
  position:relative;isolation:isolate;
  background:var(--glass-tint);
  backdrop-filter:blur(20px) saturate(180%);
  -webkit-backdrop-filter:blur(20px) saturate(180%);
  box-shadow:var(--glass-shadow);
  transition:all .35s cubic-bezier(.2,.8,.2,1);
}
.island-inner::before{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:2;
  box-shadow:
    inset 0 1.5px 0 rgba(255,255,255,.95),
    inset 0 -1.5px 0 rgba(0,47,167,.12),
    inset 0 0 0 1px rgba(255,255,255,.55),
    inset 0 0 20px rgba(255,255,255,.3);
}
.island-logo{
  font-weight:900;font-size:17px;color:var(--accent);
  padding:0 12px 0 6px;letter-spacing:.04em;white-space:nowrap;
}
.island-links{display:flex;align-items:center;gap:4px}
.island-links a{
  font-size:13.5px;font-weight:600;padding:6px 16px;border-radius:999px;
  color:var(--ink);opacity:.85;white-space:nowrap;
  border:1px solid transparent;background:transparent;
  transition:all .2s cubic-bezier(.2,.8,.2,1);
}
.island-links a:hover{
  opacity:1;color:var(--accent);background:var(--highlight-bg);
  border-color:rgba(0,47,167,0.18);transform:translateY(-1px);
}
.island-links a.active{
  background:var(--highlight-bg);
  color:var(--accent);
  border:1px solid rgba(0,47,167,0.32);
  box-shadow:0 2px 8px rgba(0,47,167,0.08), inset 0 1px 0 rgba(255,255,255,0.85);
  opacity:1;
  font-weight:700;
}
/* 移动端紧凑胶囊触发展开按钮 */
.mobile-island-toggle{
  display:none;align-items:center;gap:4px;font-size:12.5px;font-weight:700;
  color:var(--accent);background:var(--highlight-bg);border:1px solid rgba(0,47,167,0.22);
  padding:4px 10px;border-radius:999px;cursor:pointer;transition:all .2s;
}
.island-caret{font-size:10px;transition:transform .25s ease}
.island-nav.expanded .island-caret{transform:rotate(180deg)}
/* ==========================================================================
   右上角独立功能卫星组（与中间灵动岛彻底分离）
   ========================================================================== */
.island-satellites{
  position: fixed;
  top: 18px;
  right: 32px;
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 8px;
}
.satellite-pill{
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--glass-tint);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: all .25s ease;
  user-select: none;
  white-space: nowrap;
}
.satellite-pill:hover{
  color: var(--accent);
  background: var(--highlight-bg);
  border-color: rgba(0,47,167,0.32);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(0,47,167,0.12);
}
.weather-glance-wrap{position:relative}
.weather-pop{
  position:absolute;top:calc(100% + 12px);right:0;width:230px;
  background:var(--card-bg);border:1px solid rgba(0,0,0,0.06);border-radius:16px;
  padding:14px 16px;box-shadow:0 18px 42px -10px rgba(0,47,167,0.2);
  display:none;flex-direction:column;gap:7px;z-index:230;
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
}
.weather-pop.show{display:flex}
.wp-head{font-size:12.5px;font-weight:800;color:var(--accent);margin-bottom:2px}
.wp-item{display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}
.wp-item b{color:var(--ink)}
.wp-note{font-size:11px;color:var(--accent);margin-top:6px;padding-top:6px;border-top:1px dashed var(--line);opacity:.85}

/* 地球图标语言选择器 */
.lang-globe-wrap{position:relative}
.lang-dropdown{
  position:absolute;top:calc(100% + 12px);right:0;
  background:var(--card-bg);border:1px solid var(--line);
  box-shadow:0 16px 40px -10px rgba(0,47,167,0.22);
  border-radius:16px;padding:8px;display:none;flex-direction:column;gap:4px;
  z-index:220;min-width:130px;
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
}
.lang-dropdown.show{display:flex}
.lang-opt{
  border:none;background:transparent;cursor:pointer;font-size:13px;
  font-weight:600;color:var(--ink);padding:8px 14px;border-radius:10px;
  text-align:left;display:flex;align-items:center;justify-content:space-between;
  transition:all .2s;
}
.lang-opt:hover{background:var(--highlight-bg);color:var(--accent)}
.lang-opt.active{
  background:var(--highlight-bg);color:var(--accent);font-weight:700;
  border:1px solid rgba(0,47,167,0.22);
}
@media(max-width:860px){
  .island-satellites{top:12px;right:12px;gap:5px}
  .satellite-pill{padding:5px 10px}
  .satellite-pill span:last-child{display:none}
}
/* ==========================================================================
   波浪液态流光卡片与纽扣体系
   ========================================================================== */
@keyframes liquidFlow {
  0%   { transform: rotate(var(--flow-start, 0deg)) scale(1.02); }
  50%  { transform: rotate(calc(var(--flow-start, 0deg) + 180deg)) scale(1.16); }
  100% { transform: rotate(calc(var(--flow-start, 0deg) + 360deg)) scale(1.02); }
}
@keyframes liquidPulse {
  0%, 100% { opacity: 0.85; filter: blur(5px) saturate(160%); }
  50%      { opacity: 1; filter: blur(3px) saturate(220%); }
}

.liquid-card {
  position: relative;
  border-radius: 0;
  background: transparent;
  padding: 0;
  overflow: hidden;
  cursor: pointer;
  transition: transform .35s cubic-bezier(.2,.8,.2,1), box-shadow .35s ease;
}
.liquid-card::before {
  content: "";position: absolute;inset: 0;border-radius: 0;
  border: none;
  box-shadow: 0 4px 20px rgba(0,0,0,0.025);
  transition: opacity .3s ease;z-index: 1;pointer-events: none;
}
.liquid-card .liquid-beam {
  position: absolute;inset: -150%;opacity: 0;pointer-events: none;z-index: 0;
    background: conic-gradient(
      from 0deg at 50% 50%,
      transparent 0deg, transparent 70deg,
      rgba(255, 103, 0, 0.15) 100deg,
      var(--accent) 140deg, var(--accent-glow) 165deg, #FFF4EB 175deg, var(--accent) 190deg,
      rgba(255, 103, 0, 0.15) 230deg, transparent 260deg, transparent 360deg
    );
  transition: opacity .4s ease;
}
.liquid-card .liquid-inner {
  position: relative;z-index: 2;background: var(--card-bg);
  border-radius: 0;width: 100%;height: 100%;overflow: hidden;
}
.liquid-card:hover, .liquid-card.active {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(0,0,0,0.08);
}
.liquid-card:hover::before, .liquid-card.active::before { opacity: 0; }
.liquid-card:hover .liquid-beam, .liquid-card.active .liquid-beam {
  opacity: 1;
  animation: liquidFlow var(--flow-speed, 4s) linear infinite, liquidPulse 2.5s ease-in-out infinite;
}

.liquid-btn {
  position: relative;display: inline-flex;align-items: center;justify-content: center;
  border-radius: 999px;padding: 2px;overflow: hidden;cursor: pointer;text-decoration: none;
  transition: all .25s ease;
}
.liquid-btn::before {
  content: "";position: absolute;inset: 0;border-radius: 999px;
  border: 1px solid rgba(255,103,0, 0.24);transition: opacity .3s ease;z-index: 1;pointer-events: none;
}
.liquid-btn .btn-beam {
  position: absolute;inset: -200%;opacity: 0;pointer-events: none;z-index: 0;
    background: conic-gradient(
      from 90deg at 50% 50%,
      transparent 0deg, transparent 80deg,
      rgba(255, 103, 0, 0.12) 110deg,
      var(--accent) 145deg, var(--accent-glow) 165deg, #FFF4EB 175deg, var(--accent) 190deg,
      rgba(255, 103, 0, 0.12) 220deg, transparent 250deg, transparent 360deg
    );
  transition: opacity .3s ease;
}
.liquid-btn .btn-inner {
  position: relative;z-index: 2;background: var(--highlight-bg);color: var(--accent);
  border-radius: 999px;padding: 8px 24px;font-size: 13.5px;font-weight: 700;
  width: 100%;height: 100%;display: flex;align-items: center;justify-content: center;
  transition: all .25s ease;
}
.liquid-btn:hover, .liquid-btn.active {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 24px -4px rgba(255, 103, 0, 0.32);
}
.liquid-btn:hover::before, .liquid-btn.active::before { opacity: 0; }
.liquid-btn:hover .btn-beam, .liquid-btn.active .btn-beam {
  opacity: 1;
  animation: liquidFlow var(--flow-speed, 3s) linear infinite, liquidPulse 2s ease-in-out infinite;
}
.liquid-btn.active .btn-inner {
  background: var(--accent);color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(255,103,0,.25);
}
.liquid-btn:hover .btn-inner {
  background: #FF7E29;color: #FFFFFF;
  box-shadow: 0 4px 16px rgba(255,103,0,.32);
}

/* ==========================================================================
   商城 Hero 与面包屑
   ========================================================================== */
.hero{padding: 130px 0 40px;}
.hero-inner{
  display: grid;grid-template-columns: 1fr 1fr;gap: 48px;align-items: center;
  padding: 48px;
}
.hero-text h1{
  font-size: clamp(36px, 4.8vw, 62px);font-weight: 900;line-height: 1.12;
  letter-spacing: -.025em;margin-bottom: 18px;color: var(--ink);
}
.hero-text h1 em{
  color: var(--accent);
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-glow) 100%);
  -webkit-background-clip: text;-webkit-text-fill-color: transparent;
}
.hero-text p{
  font-size: clamp(15px, 1.4vw, 18px);color: var(--muted);line-height: 1.8;
  max-width: 520px;margin-bottom: 30px;
}
/* 商城 Hero 800x800 商品专属轮播展台 */
.hero-carousel-card{
  position: relative;
  width: 100%;
  max-width: 480px;
  aspect-ratio: 1/1;
  border-radius: 24px; /* 优雅饱满大圆角 */
  overflow: hidden;
  border: none !important; /* 彻底去除外边框，无任何生硬框线！ */
  outline: none !important;
  box-shadow: 0 16px 40px -12px rgba(0,0,0,0.08);
  background: transparent;
  user-select: none;
  margin: 0 auto;
}
.hero-carousel-track{
  position: relative;
  width: 100%;
  height: 100%;
}
.hero-carousel-slide{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.6s ease;
  display: block;
  text-decoration: none;
}
.hero-carousel-slide.active{
  opacity: 1;
  visibility: visible;
  z-index: 2;
}
.hero-carousel-slide img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 24px; /* 饱满大圆角 */
  border: none !important;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.hero-carousel-card:hover .hero-carousel-slide.active img{
  transform: scale(1.03);
}
.hero-slide-badge{
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  border: none; /* 去除徽标小边框，纯净毛玻璃悬浮 */
  box-shadow: 0 6px 20px rgba(0,0,0,0.08);
  padding: 7px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 8px 24px rgba(0,0,0,0.10);
  white-space: nowrap;
  pointer-events: none;
  z-index: 3;
}
.hsb-name{
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ink);
}
.hsb-price{
  font-size: 14px;
  font-weight: 800;
  color: var(--deal-price);
}
.hero-carousel-nav{
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  z-index: 4;
}
.hcn-dot{
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.22);
  cursor: pointer;
  transition: all 0.3s ease;
}
.hcn-dot.active{
  width: 22px;
  background: var(--accent);
}
.hero-cta{display: flex;gap: 16px;flex-wrap: wrap}

.breadcrumb{padding: 110px 5vw 0;font-size: 13px;color: var(--muted)}
.breadcrumb-inner{max-width: 1200px;margin: 0 auto;}
.breadcrumb a{color: var(--muted);transition: .2s}
.breadcrumb a:hover{color: var(--accent)}
.breadcrumb span{color: var(--ink);font-weight: 600}

/* ==========================================================================
   全部产品网格（首页/货架）
   ========================================================================== */
.section{padding: 40px 0 80px}
.section-inner{max-width: 1226px;margin: 0 auto;padding: 0 20px;}
.section-head{margin-bottom: 28px}
.section-label{font-size: 12px;font-weight: 700;letter-spacing: .3em;color: var(--accent);margin-bottom: 8px}
.section-title{font-size: clamp(26px, 3.2vw, 42px);font-weight: 900;letter-spacing: -.02em;color: var(--ink)}
.section-desc{font-size: 15px;color: var(--muted);margin-top: 8px}

.product-grid{display: grid;grid-template-columns: repeat(3, 1fr);gap: 16px}
.product-card-inner{
  display: flex;flex-direction: column;height: 100%;
  background: var(--paper);border-radius: 0;
  border: 1px solid rgba(0,0,0,0.04);box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}
.product-card-inner .p-img{
  aspect-ratio: 1/1;overflow: hidden;background: #F6F7FA;
  display: flex;align-items: center;justify-content: center;
}
.product-card-inner .p-img img{width: 100%;height: 100%;object-fit: cover;transition: transform .4s ease}
.liquid-card:hover .product-card-inner .p-img img{transform: scale(1.05)}
.product-card-inner .p-body{padding: 22px 20px 24px;display: flex;flex-direction: column;flex: 1}
.product-card-inner .p-tag, .p-tag{
  display: none !important;
}
.product-card-inner .p-name{font-size: 18px;font-weight: 800;color: var(--ink);margin-bottom: 6px}
.product-card-inner .p-desc{font-size: 13px;color: var(--muted);line-height: 1.6;margin-bottom: 16px;min-height: 42px}
.product-card-inner .p-foot{
  margin-top: auto;display: flex;align-items: center;justify-content: space-between;gap: 12px;padding-top: 14px;
}
.product-card-inner .p-price{
  font-size: 24px;font-weight: 900;color: var(--deal-price);
}
.product-card-inner .p-price small{font-size: 13px;font-weight: 500;color: var(--muted)}

/* ==========================================================================
   详情页模块（严格去除任何竖条）
   ========================================================================== */
.detail{padding: 30px 0 60px}
.detail-inner{
  display: grid;grid-template-columns: 1fr 1fr;gap: 56px;max-width: 1200px;margin: 0 auto;padding: 0 5vw;
}
.detail-img img{
  width: 100%;border-radius: 20px;box-shadow: 0 16px 40px rgba(0,0,0,0.06);object-fit: cover;
}
.detail-info h1{font-size: clamp(28px, 3.2vw, 42px);font-weight: 900;color: var(--ink);margin: 8px 0 12px}
.detail-info .p-price{font-size: 32px;font-weight: 900;color: var(--deal-price);margin-bottom: 16px}
.detail-info .p-desc{font-size: 15px;color: var(--muted);line-height: 1.8;margin-bottom: 24px}
.detail-specs{
  background: var(--highlight-bg);border-radius: 14px;padding: 16px 20px;margin-bottom: 24px;display: grid;gap: 10px;
}
.detail-specs .sr{display: flex;justify-content: space-between;font-size: 13.5px}
.detail-specs .sr span:first-child{color: var(--muted)}
.detail-specs .sr span:last-child{color: var(--ink);font-weight: 600}

.detail-qty{display: flex;align-items: center;gap: 16px;margin-bottom: 28px}
.qty-ctrl{
  display: inline-flex;align-items: center;border: 1px solid var(--line);border-radius: 999px;
  background: var(--paper);overflow: hidden;
}
.qty-ctrl button{
  width: 40px;height: 38px;display: flex;align-items: center;justify-content: center;
  font-size: 18px;font-weight: 600;color: var(--ink);transition: background .2s;
}
.qty-ctrl button:hover{background: var(--highlight-bg)}
.qty-ctrl span{width: 44px;text-align: center;font-weight: 700;font-size: 15px}

.detail-actions{display: flex;gap: 14px;margin-bottom: 28px;flex-wrap: wrap}
.detail-trust{
  display: flex;gap: 14px;padding: 14px 18px;background: var(--highlight-bg);
  border-radius: 12px;font-size: 12.5px;color: var(--accent);font-weight: 600;flex-wrap: wrap;
}

/* 详情故事与引用（彻底杜绝 border-left 竖条） */
.story{padding: 50px 0}
.story-inner{max-width: 860px;margin: 0 auto;padding: 0 5vw}
.story-inner h2{font-size: 26px;font-weight: 800;margin-bottom: 18px}
.story-inner p{font-size: 15.5px;line-height: 1.9;color: var(--muted);margin-bottom: 14px}
.story-inner blockquote{
  margin: 28px 0;padding: 20px 24px;background: var(--highlight-bg);
  border-radius: 14px;border: 1px solid rgba(0,47,167,0.1);
  font-family: var(--serif);font-size: 18px;font-weight: 700;color: var(--ink);line-height: 1.7;
}

.features-inner, .usage-inner{
  display: grid;grid-template-columns: repeat(3, 1fr);gap: 20px;max-width: 1200px;margin: 0 auto;padding: 40px 5vw;
}
.feature-card{
  background: var(--card-bg);border: 1px solid var(--line);border-radius: 16px;padding: 28px 24px;
}
.feature-card .f-icon{font-size: 28px;margin-bottom: 12px}
.feature-card h3{font-size: 17px;font-weight: 800;margin-bottom: 8px}
.feature-card p{font-size: 13.5px;color: var(--muted);line-height: 1.7}

.specs-inner, .faq-inner{max-width: 860px;margin: 0 auto;padding: 40px 5vw}
.specs-table{width: 100%;border-collapse: collapse;margin-top: 18px}
.specs-table td{padding: 14px 16px;border-bottom: 1px solid var(--line);font-size: 14px}
.specs-table td:first-child{color: var(--muted);width: 30%}
.specs-table td:last-child{color: var(--ink);font-weight: 600}

.faq-item{border-bottom: 1px solid var(--line);padding: 18px 0}
.faq-q{display: flex;justify-content: space-between;width: 100%;font-size: 15.5px;font-weight: 700;color: var(--ink)}
.faq-a{font-size: 14px;color: var(--muted);margin-top: 10px;line-height: 1.8;display: none}
.faq-item.open .faq-a{display: block}

/* ==========================================================================
   购物车抽屉（Cart Drawer）与结算弹窗
   ========================================================================== */
.cart-overlay{
  position: fixed;inset: 0;background: rgba(0,0,0,0.45);backdrop-filter: blur(6px);
  z-index: 300;opacity: 0;visibility: hidden;transition: all .3s;
}
.cart-overlay.open{opacity: 1;visibility: visible}

.cart-sidebar{
  position: fixed;top: 0;right: 0;bottom: 0;width: 420px;max-width: 90vw;
  background: var(--paper);z-index: 310;box-shadow: -12px 0 40px rgba(0,0,0,0.18);
  display: flex;flex-direction: column;transform: translateX(100%);transition: transform .35s cubic-bezier(.2,.8,.2,1);
}
.cart-sidebar.open{transform: translateX(0)}
.cart-header{
  padding: 22px 24px;border-bottom: 1px solid var(--line);display: flex;justify-content: space-between;align-items: center;
}
.cart-header h3{font-size: 18px;font-weight: 800}
.cart-close{font-size: 20px;color: var(--muted);transition: color .2s}
.cart-close:hover{color: var(--ink)}

.cart-items{flex: 1;overflow-y: auto;padding: 20px 24px;display: flex;flex-direction: column;gap: 16px}
.cart-item{display: flex;gap: 14px;align-items: center;padding-bottom: 14px;border-bottom: 1px solid var(--line)}
.cart-item img{width: 64px;height: 64px;border-radius: 10px;object-fit: cover;background: #F6F7FA}
.cart-item .ci-info{flex: 1}
.cart-item .ci-name{font-size: 14px;font-weight: 700;margin-bottom: 4px}
.cart-item .ci-price{font-size: 15px;font-weight: 800;color: var(--deal-price)}
.cart-item .ci-del{font-size: 12px;color: var(--muted);cursor: pointer;margin-left: 8px}
.cart-item .ci-del:hover{color: #FF5247}

.cart-footer{padding: 20px 24px;border-top: 1px solid var(--line);background: var(--card-bg)}
.cart-total{display: flex;justify-content: space-between;font-size: 16px;font-weight: 700;margin-bottom: 16px}
.cart-total span:last-child{font-size: 24px;color: var(--deal-price);font-weight: 900}
.checkout-btn{
  width: 100%;background: var(--accent);color: #fff;border-radius: 999px;padding: 14px 0;
  font-size: 15px;font-weight: 700;box-shadow: 0 6px 20px rgba(0,47,167,0.35);transition: all .25s;
}
.checkout-btn:hover{background: var(--accent-glow);transform: translateY(-1px)}
.checkout-btn:disabled{background: var(--muted);cursor: not-allowed;box-shadow: none}

/* 结算弹层 */
.checkout-modal{
  position: fixed;inset: 0;z-index: 320;display: flex;align-items: center;justify-content: center;
  background: rgba(0,0,0,0.5);backdrop-filter: blur(8px);opacity: 0;visibility: hidden;transition: all .3s;
}
.checkout-modal.open{opacity: 1;visibility: visible}
.checkout-panel{
  background: var(--paper);width: 520px;max-width: 92vw;border-radius: 22px;padding: 36px 32px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.25);max-height: 90vh;overflow-y: auto;
}
.checkout-panel h2{font-size: 22px;font-weight: 800;margin-bottom: 6px}
.checkout-panel .sub{font-size: 13px;color: var(--muted);margin-bottom: 20px}
.ship-form{display: flex;flex-direction: column;gap: 12px;margin-bottom: 22px}
.ship-form label{font-size: 12px;font-weight: 700;color: var(--muted);display: flex;flex-direction: column;gap: 6px}
.ship-form input, .ship-form textarea{
  border: 1px solid var(--line);border-radius: 10px;padding: 10px 14px;font-size: 14px;color: var(--ink);
  background: var(--card-bg);outline: none;transition: border .2s;
}
.ship-form input:focus, .ship-form textarea:focus{border-color: var(--accent)}

.payment-methods{display: flex;flex-direction: column;gap: 10px;margin-bottom: 22px}
.payment-method{
  display: flex;align-items: center;gap: 12px;padding: 12px 16px;border: 1px solid var(--line);
  border-radius: 12px;cursor: pointer;transition: all .2s;
}
.payment-method:hover, .payment-method.active{border-color: var(--accent);background: var(--highlight-bg)}
.payment-method.disabled{opacity: .45;cursor: not-allowed}
.pm-icon{width: 28px;height: 28px;border-radius: 6px;display: flex;align-items: center;justify-content: center;color: #fff;font-weight: 700;font-size: 13px}
.pm-wechat{background: #07C160}
.pm-alipay{background: #1677FF}
.pm-name{font-size: 14px;font-weight: 700;flex: 1}
.pm-check{width: 18px;height: 18px;border-radius: 50%;border: 2px solid var(--line)}
.payment-method.active .pm-check{border-color: var(--accent);background: var(--accent)}

.pay-now{
  width: 100%;background: var(--accent);color: #fff;border-radius: 999px;padding: 13px 0;
  font-size: 15px;font-weight: 700;box-shadow: 0 6px 20px rgba(0,47,167,0.35);transition: all .25s;
}
.pay-now:hover{background: var(--accent-glow)}

.toast{
  position: fixed;bottom: 30px;left: 50%;transform: translateX(-50%) translateY(20px);
  background: rgba(22,24,28,0.92);backdrop-filter: blur(10px);color: #fff;
  padding: 10px 22px;border-radius: 999px;font-size: 13px;font-weight: 600;
  z-index: 400;opacity: 0;visibility: hidden;transition: all .3s;box-shadow: 0 8px 24px rgba(0,0,0,0.25);
}
.toast.show{opacity: 1;visibility: visible;transform: translateX(-50%) translateY(0)}

/* 页脚 */
.foot{
  background:var(--paper);border-top:1px solid var(--line);margin-top:40px;
  padding:40px 0;color:var(--muted);font-size:13px;
}
.foot-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;max-width:1226px;margin:0 auto;padding:0 20px}
.foot h4{color:var(--ink);font-size:14px;font-weight:700;margin-bottom:14px}
.foot a{display:block;color:var(--muted);padding:5px 0}
.foot a:hover{color:var(--accent)}
.foot-base{
  border-top:1px solid var(--line);margin-top:28px;padding-top:20px;
  color:var(--muted);text-align:center;font-size:12px;
}

@media(max-width: 860px){
  .island-nav{top:12px;left:50% !important;transform:translateX(-50%) !important;z-index:210}
  .island-links{display:none;position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%);
    min-width:170px;background:var(--card-bg);border:1px solid rgba(255,103,0,0.2);
    border-radius:14px;padding:8px;flex-direction:column;gap:4px;
    box-shadow:0 16px 40px -10px rgba(0,0,0,0.15);
    backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);z-index:220;
  }
  .island-nav.expanded .island-links{display:flex;animation:dropIn .25s cubic-bezier(.2,.8,.2,1)}
  .island-links a{padding:9px 14px;border-radius:8px;width:100%;text-align:center;font-size:13.5px}
  
  .island-satellites{top:12px;right:12px;gap:6px;z-index:210}
  .satellite-pill{height:40px;padding:0 10px;font-size:11.5px}
  .lang-globe-wrap .satellite-pill{width:40px;height:40px}
  .weather-chip span:last-child{display:none}

  .hero-inner, .detail-inner{grid-template-columns: 1fr;gap: 24px}
  .product-grid{grid-template-columns: repeat(2, 1fr);gap: 12px}
  .features-inner, .usage-inner{grid-template-columns: 1fr}
  .foot-inner{grid-template-columns: repeat(2, 1fr);gap:24px}
}

@media(max-width: 480px){
  .island-nav{top:10px;left:50% !important;transform:translateX(-50%) !important}
  .island-inner{height:36px;padding:0 8px}
  .island-logo{font-size:15px;padding:0 6px 0 2px}
  .mobile-island-toggle{padding:3px 8px;font-size:11px}
  .island-satellites{top:10px;right:8px;gap:4px}
  .satellite-pill{height:36px;padding:0 8px;font-size:11px}
  .lang-globe-wrap .satellite-pill{width:36px;height:36px}
  .product-grid{grid-template-columns: 1fr 1fr;gap: 8px}
  .product-card-inner .p-body{padding: 12px 8px 14px}
  .product-card-inner .p-name{font-size: 15px}
  .product-card-inner .p-desc{font-size: 12px;margin-bottom: 8px;min-height: 0}
  .product-card-inner .p-price{font-size: 17px}
  .product-card-inner .p-foot{padding-top: 8px;gap: 4px}
  .product-card-inner .p-foot .liquid-btn .btn-inner{padding: 5px 10px;font-size: 11.5px;font-weight: 700}
}


  .foot{ background: var(--paper); border-top: 1px solid var(--line); margin-top: 40px; padding: 56px 0 36px; color: var(--muted); font-size: 13.5px; width: 100%; }
  .foot-container{ max-width: 1180px; margin: 0 auto; padding: 0 32px; }
  .foot-inner{ display: grid; grid-template-columns: repeat(4, 1fr); gap: 36px; text-align: left; }
  .foot-col h4{ color: var(--ink); font-size: 14.5px; font-weight: 700; margin-bottom: 16px; letter-spacing: 0.02em; }
  .foot-col a{ display: block; color: var(--muted); padding: 6px 0; transition: color 0.2s ease, transform 0.2s ease; }
  .foot-col a:hover{ color: var(--accent); transform: translateX(2px); }
  .foot-base{ border-top: 1px solid var(--line); margin-top: 40px; padding-top: 24px; color: var(--muted); text-align: center; font-size: 12.5px; line-height: 1.8; }
  .foot-base p{ margin: 4px 0; }
  @media(max-width: 768px){
    .foot-inner{ grid-template-columns: repeat(2, 1fr); gap: 28px; }
    .foot-container{ padding: 0 20px; }
  }


  /* 左上角独立品牌标识（大厂正规三段式布局：左Logo ｜ 中导航 ｜ 右功能） */
  .brand-top-logo{
    position: fixed;
    top: 18px;
    left: 32px;
    z-index: 220;
    font-size: 20px;
    font-weight: 900;
    color: var(--accent);
    letter-spacing: 0.08em;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    height: 46px;
    line-height: 46px;
    transition: all 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
    user-select: none;
    text-shadow: 0 1px 3px rgba(0,0,0,0.12);
  }
  .brand-top-logo:hover{
    transform: scale(1.06);
    color: #F25807;
  }
  @media (max-width: 860px){
    .brand-top-logo{
      top: 11px;
      left: 14px;
      height: 38px;
      line-height: 38px;
      font-size: 17px;
    }
  }

  /* ── 延展阅读 · 站内 cross-link ── */
  .reading .section-head{ margin-bottom: 26px; }
  .reading .section-title{ margin-bottom: 6px; }
  .section-sub{
    font-size: 14px;
    color: var(--muted);
    font-weight: 400;
    letter-spacing: .2px;
  }
  .reading-grid{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }
  .read-card{
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 22px 22px 18px;
    background: var(--card-bg);
    border: 1px solid var(--line);
    border-radius: 16px;
    text-decoration: none;
    color: inherit;
    transition: transform .28s cubic-bezier(.2,.8,.2,1), box-shadow .28s ease, border-color .28s ease;
  }
  .read-card:hover{
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: 0 12px 30px rgba(0,0,0,.08);
  }
  .rc-label{
    font-size: 16px;
    font-weight: 700;
    color: var(--ink);
    line-height: 1.4;
  }
  .rc-desc{
    font-size: 13.5px;
    line-height: 1.7;
    color: var(--muted);
    flex: 1;
  }
  .rc-arrow{
    font-size: 13px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: .3px;
  }
  .read-card:hover .rc-arrow{ text-decoration: underline; }
  @media (max-width: 860px){
    .reading-grid{ grid-template-columns: 1fr; gap: 14px; }
    .read-card{ padding: 18px 18px 14px; }
  }

  /* 全屏气象下雨/下雪轻量动态粒子层 */
  #weatherParticleCanvas {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    z-index: 99;
    pointer-events: none;
    opacity: 0;
    transition: opacity 1.2s ease;
  }
  #weatherParticleCanvas.active {
    opacity: 1;
  }
/* ==========================================================================
   全渠道店铺徽章（抖音旗舰店 / 微信小店）
   ========================================================================== */
.channel-badge-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
  width: 100%;
}
.channel-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s ease;
  box-shadow: 0 2px 6px rgba(0,0,0,0.03);
  cursor: pointer;
}
.channel-badge:hover {
  border-color: var(--accent);
  background: var(--highlight-bg);
  color: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255,103,0,0.12);
}
.channel-badge svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}
.checkout-channel-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 18px 0 12px;
  color: var(--muted);
  font-size: 12px;
}
.checkout-channel-divider::before,
.checkout-channel-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--line);
}
.checkout-channels {
  display: flex;
  gap: 10px;
}
.checkout-channels .channel-badge {
  flex: 1;
  justify-content: center;
  padding: 9px 12px;
  font-size: 12.5px;
}