/* ==========================================================================
   PortVape  |  mobile.css  —— 仅 <=1023px 加载
   手机端不是"缩小的电脑端"：导航改抽屉、商品卡两列、
   商品页加底部常驻下单条、购物车改卡片式。
   ========================================================================== */

/* 只写 padding-inline，纵向留给各区块的 padding-block，两者不再互相覆盖 */
.wrap{max-width:100%;padding-inline:16px}
html,body{max-width:100%;overflow-x:hidden;overflow-x:clip;overscroll-behavior-x:none}
#main,.foot,#checkoutForm,.checkout{max-width:100%;overflow-x:clip}

/* --------------------------------------------------------------- 头部 */
/* 抽屉 .nav 是 position:fixed，又写在 .site-head 里面。
   只要头部带 backdrop-filter / filter，或 overflow 不是 visible，
   fixed 就会改相对头部定位，再被裁成一条 64px 高的白条 ——
   黑顶栏那次把毛玻璃加回来，汉堡菜单就又坏了。
   手机端头部用实色黑底，禁止毛玻璃，overflow 放开。 */
.site-head{
  max-width:100%;
  background:#000;
  backdrop-filter:none !important;
  -webkit-backdrop-filter:none !important;
  overflow:visible !important;
  overflow-x:visible !important;
  z-index:150;
}
.promo-bar{height:40px;font-size:12px}
.promo-track{height:40px}
.promo-pay-icon{height:18px;max-width:50px;padding:2px 5px}
.head-in{display:flex;align-items:center;gap:10px;min-height:64px;flex-wrap:wrap}
.brand{order:2;flex:1;justify-content:center}
.brand img{height:42px}
.brand-text{font-size:20px}
.burger{
  order:1;width:42px;height:42px;border:0;border-radius:0;
  background:transparent;display:grid;place-content:center;gap:5px;padding:0;
}
.burger span{display:block;width:20px;height:1.5px;background:#fff;border-radius:1px;transition:transform .22s var(--ease),opacity .18s}
/* 抽屉打开时按钮不再变叉：抽屉里已经有自己的关闭按钮，
   这个叉正好压在抽屉边缘被切掉一半，两个关闭入口也是多余的 */
body.nav-open .burger{opacity:0;pointer-events:none}

/* 手机端头部只留购物车：邮箱一行太长会把头部撑成两行，
   语言切换在抽屉菜单里（.nav-mobile-extra）。 */
.head-tools{order:3;gap:6px}
.head-mail,.head-tools .lang{display:none}

/* 抽屉导航：从行文方向的末端滑入（英语在右、阿拉伯语在左） */
.nav{
  position:fixed;top:0;bottom:0;inset-inline-end:0;width:min(88vw,380px);z-index:160;
  background:#fff;padding:0 20px 30px;overflow-y:auto;
  transform:translateX(100%);transition:transform .28s var(--ease);
  box-shadow:-14px 0 40px rgba(16,20,28,.18);
  overscroll-behavior:contain;
}
[dir="rtl"] .nav{transform:translateX(-100%);box-shadow:14px 0 40px rgba(16,20,28,.18)}
body.nav-open .nav,[dir="rtl"] body.nav-open .nav{transform:translateX(0)}
body.nav-open{overflow:hidden}
body.nav-open::after{
  content:"";position:fixed;inset:0;background:rgba(10,12,16,.5);z-index:140;
}
/* 抽屉自己的头部常驻在顶部：菜单很长时，关闭按钮不能被滚走 */
.nav-head{
  position:sticky;top:0;z-index:2;background:#fff;
  padding-block:12px;margin-bottom:6px;border-bottom:1px solid var(--line);
}
.nav-list{display:grid;gap:2px}
.nav-item{border-bottom:1px solid var(--line)}
/* 最后一项不画线：下面的语言区自己有条上边框，两条线隔 22px 会看成双线 */
.nav-item:last-child{border-bottom:0}
.nav-link{display:flex;align-items:center;justify-content:space-between;padding:14px 2px;font-size:16px;width:100%;color:var(--text)}
/* 抽屉里每个维度都能展开自己的分类项：第一次点标题展开，第二次才跳转。
   桌面端的面板宽度类（mega-c1/c2/c3）在这里不生效，一律两列铺满抽屉。 */
.mega{display:none}
.has-mega.is-open .mega{display:block}
.mega-c1,.mega-c2,.mega-c3{width:auto}
.mega-in{padding:0 0 16px}
.mega-h{font-size:11.5px;text-transform:uppercase;letter-spacing:.12em;color:var(--text-3);margin:0 0 8px}
.mega-links,.mega-c2 .mega-links,.mega-c3 .mega-links{display:grid;grid-template-columns:1fr 1fr;gap:2px 12px}
.mega-links a{display:flex;justify-content:space-between;gap:8px;padding:7px 0;font-size:13.5px;color:var(--text)}
.mega-links .cnt{font-size:11px;color:var(--text-3)}
.mega-all{display:inline-block;margin-top:10px;font-size:13.5px;color:var(--gold);font-weight:650;border:0;padding-top:0;width:auto}

/* 抽屉底部只剩语言块：邮箱和 WhatsApp 撤掉了，
   右下角有常驻 WhatsApp 按钮，页脚有完整联系方式。 */
.nav-mobile-extra{margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}

/* 抽屉里的折叠语言器压在白底上，配色要反过来（base.css 那套是给深色页脚写的） */
.lang-fold-drawer{border-color:var(--line);background:#fff}
.lang-fold-drawer .lang-fold-sum{color:var(--text);min-height:44px}
.lang-fold-drawer .lang-fold-n{color:var(--text-3)}
.lang-fold-drawer[open] .lang-fold-sum{border-bottom-color:var(--line)}
.lang-fold-drawer .lang-grid{grid-template-columns:1fr 1fr;gap:4px;max-height:46vh;overflow:auto}
.lang-fold-drawer .lang-grid a{min-height:40px;color:var(--text-2)}
.lang-fold-drawer .lang-grid a:hover{background:var(--paper-2);color:var(--text)}
.lang-fold-drawer .lang-grid .is-current a{background:var(--gold-soft);color:#176f5a}
.lang-fold-drawer .flag{box-shadow:0 0 0 1px rgba(0,0,0,.16)}

/* --------------------------------------------------------------- 首页 */
/* 手机端另传竖图时用 --hero-ar-m，没传就沿用同一张图的比例 —— 一张图两端通用 */
.hero.hero-multi .hero-slide img{aspect-ratio:var(--hero-ar-m,var(--hero-ar,16/6));max-height:74vh}
.hero:not(.hero-multi) .hero-slide img{aspect-ratio:auto;object-fit:contain;max-height:none}
.hero-dots{bottom:9px}
.hero-dot{width:8px;height:8px}
.home-head .wrap{padding-block:16px}
.home-head-under .wrap{padding-block:14px}
.home-crest{padding-block:24px 20px}
.home-crest-brand{font-size:11px;margin-bottom:8px}
.home-crest-title{font-size:22px;letter-spacing:-.02em;line-height:1.15}
.home-crest-copy{margin-top:10px;font-size:15px;line-height:1.4}
.home-crest-marks{margin-top:14px;gap:2px 0}
.home-crest-marks li{font-size:10px;letter-spacing:.06em}
.home-crest-marks li + li::before{margin:0 8px}
.sec{padding-block:36px}
.sec.sec-h1{padding-block:16px 4px}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.sec-head h2{font-size:21px}
.sec-head-center{align-items:center;justify-content:center;text-align:center}
.sec-head-center .sec-sub{font-size:13.5px;line-height:1.5;margin-top:8px}
.sec-more{margin-top:0;flex:0 0 auto}

/* 两列商品卡：手机上比单列更省滚动，也比三列可读 */
.grid-products{grid-template-columns:1fr 1fr;gap:12px}
.card-body{padding:11px 12px 13px;gap:7px}
.card-chip{padding:2px 7px;font-size:10.5px}
.card-title{font-size:13.5px}
.card-meta li{font-size:10.5px;padding:1px 6px}
.price-val{font-size:18px}
.card-actions{display:grid;gap:6px}
.card-actions .btn{width:100%;padding:9px 10px;font-size:12.5px}
.grid-posts{grid-template-columns:1fr;gap:14px}
.brand-grid{grid-template-columns:1fr 1fr 1fr;gap:10px}
.brand-grid a{min-height:86px;padding:14px 8px}
.brand-grid img{max-height:34px}
.brand-name{font-size:13px}
.brand-grid-lg{grid-template-columns:1fr 1fr}
.index-grid{grid-template-columns:1fr;gap:8px}
.market-grid{grid-template-columns:1fr 1fr;gap:8px}
.biz-grid{grid-template-columns:1fr;gap:0}
.biz-card{padding-block:20px}
.biz-card + .biz-card{border-top:1px solid var(--line)}
.biz-card:first-child{padding-top:4px}
.biz-card:last-child{padding-bottom:0}
.chip{padding:8px 13px;font-size:13px}

/* --------------------------------------------------------------- 分类页 */
.cat-index-head-in{padding-block:16px 22px}
.cat-index-head h1::before{width:28px;margin-bottom:12px}
.sec-cat-index{padding-block:20px 32px}
.cat-head{padding-block:21px}
.cat-head h1{font-size:23px;margin-bottom:6px}
.cat-head .eyebrow{margin-bottom:7px;font-size:10px}
.cat-lede,.cat-intro{font-size:13.5px;line-height:1.58}
.cat-intro p{margin-bottom:.45em}
.cat-head .cat-intro p:first-child{
  display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:4;
  overflow:hidden;margin-bottom:0;
}
.cat-head .cat-intro p + p{display:none}
.cat-count{margin-top:8px;font-size:10.5px}
.cat-brand-head{padding:22px 0 20px}
.cat-brand-head h1{font-size:24px}
.cat-brand-lede{font-size:13.5px}
.cat-puff-head{padding:20px 0 18px}
.cat-puff-copy h1{font-size:22px}
.cat-list-head .sec-h2{font-size:18px}
.list-toolbar-brandish{flex-direction:column;align-items:stretch;gap:12px}
.sec-brand-dossier,.sec-capacity-guide{padding-block:24px 32px}
.cat-dossier-lede{font-size:14.5px;margin-bottom:1.1em}
.facet-scroll .chip{min-height:42px;padding:10px 10px 8px;font-size:12px}
.crumbs{border-bottom:1px solid var(--line);background:#fff}
.crumbs-in{padding-block:10px;overflow-x:auto;scrollbar-width:none}
.crumbs-in::-webkit-scrollbar{display:none}
.crumbs ol{display:flex;gap:7px;font-size:12px;color:var(--text-3);white-space:nowrap}
.crumbs li+li::before{content:"/";margin-right:7px;color:var(--line)}
.list-toolbar{gap:10px}
.sorter{width:100%;justify-content:space-between}
.sorter select{flex:1;margin-left:10px}

/* --------------------------------------------------------------- 商品页 */
.pd{padding-block:20px 90px}
/* 单列也要写 minmax(0,1fr)：默认的 auto 会被参数表、阶梯价表顶宽，
   整页跟着出现横向滚动条 */
.pd-in{display:grid;grid-template-columns:minmax(0,1fr);gap:22px}
.pd-main{border-radius:var(--radius)}
.pd-main img{padding:12px}
.pd-title{font-size:21px}
.pd-lede{font-size:14.5px}
.pd-price strong{font-size:27px}
.tier-table th,.tier-table td{padding:9px 12px;font-size:13px}
.pd-actions{display:grid;gap:10px}
.pd-actions .btn{width:100%;min-width:0}
/* 手机：浓度整单一次占满宽；桌面占位列隐藏 */
.pd-strength-global{margin:0 0 10px;flex-wrap:wrap}
.pd-strength-field{flex:1 1 100%;width:100%}
.pd-strength-global .pd-line-sel{max-width:none}
.pd-strength-align{display:none}
.pd-line{
  flex-wrap:wrap;align-items:stretch;gap:10px;
  padding:10px;margin-bottom:8px;
  border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--paper-2);
}
.pd-line-flavor{flex:1 1 100%;width:100%}
.pd-line-qty{flex:1 1 100%;width:100%}
.pd-line-qty-row{justify-content:space-between}
.pd-line-sel{
  width:100%;padding:11px 12px;font-size:14px;
}
.pd-line .qty{flex:0 0 auto;min-width:0}
.qty-sm button{width:36px;height:40px;font-size:17px;flex:0 0 36px}
.qty-sm input{width:64px;height:40px;font-size:15px;flex:0 0 64px}
.pd-line-del{flex:0 0 34px;width:34px;height:34px;margin-inline-start:0}
.pd-lines-foot{justify-content:space-between}
.pd-lines-foot [data-line-add]{flex:1}
.flavour-grid{grid-template-columns:1fr 1fr;gap:6px}
.flavour-grid li{font-size:12.5px;padding:8px 11px}
.spec-table th,.spec-table td{padding:9px 12px;font-size:13px}
.spec-table th{width:44%}
.wa-float{inset-inline-end:12px;bottom:18px}

/* --------------------------------------------------------------- 正文 */
.prose{font-size:15.5px;max-width:100%}
.guide-prose{font-size:16.5px;line-height:1.75}
.prose h2{font-size:20px}
.prose h3{font-size:17px}
.prose table{display:block;overflow-x:auto;white-space:nowrap;font-size:13.5px}
.guide-index-head{padding-block:26px 20px}
.guide-index-head h1{font-size:26px;max-width:none}
.guide-mast{padding-block:26px 22px}
.guide-mast h1{font-size:25px;max-width:none}
.guide-deck{font-size:15px}
.guide-hero{padding-top:14px}
.guide-hero img{max-height:min(48vh,420px);border-radius:var(--radius-sm)}
.guide-body{padding-block:24px 16px}
.guide-rail-item-lg:has(.guide-rail-media){grid-template-columns:1fr}
.guide-rail-media{aspect-ratio:16/9}
.guide-rail-item-lg .guide-rail-link{padding:16px 0}
.guide-cat-link-in{padding:18px 0}
.guide-cat-link-in .btn{width:100%}
.faq summary{font-size:14.5px;padding:14px 42px 14px 14px}
[dir="rtl"] .faq summary{padding:14px 14px 14px 42px}
.faq-a{font-size:14.5px;padding:0 14px 16px}
.cta-band{padding:22px;text-align:start}
.cta-band .btn{width:100%}

/* --------------------------------------------------------------- 静态页 */
.page-head-in{padding-block:16px 22px}
.page-head h1{font-size:25px}
.page-head h1::before{width:28px;margin-bottom:12px}
.page-main{padding-block:26px 34px}
/* 只有联系页有侧栏，排到正文下面 */
.page-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:22px}
.page-side{min-width:0}
.side-card{padding:18px;border-radius:var(--radius)}
.page-body .prose h2{font-size:18.5px;margin-top:1.7em;padding-top:.95em}
.page-faq{padding-block:0}
.sec.page-faq-solo{padding-block:18px 0}

/* --------------------------------------------------------------- 购物车（卡片式） */
.cart-row{display:grid;gap:10px;padding:14px}
.cart-cell[data-label]{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px}
.cart-cell[data-label]::before{content:attr(data-label);color:var(--text-3);font-size:12.5px}
.cart-del{text-align:right}
.cart-thumb{width:60px;height:60px}
.cart-name{font-size:14px}
.cart-foot{display:grid;grid-template-columns:minmax(0,1fr);gap:18px;margin-top:20px}
.cart-grand strong{font-size:21px}

/* --------------------------------------------------------------- 结账 */
/* 摘要块保持在表单之后：提交按钮在里面，不能排到未填写的表单上方 */
body.page-checkout{
  overflow-x:hidden;overflow-x:clip;overscroll-behavior-x:none;touch-action:pan-y;
  max-width:100%;width:100%;
}
body.page-checkout .site-head,
body.page-checkout #main,
body.page-checkout .site-foot,
body.page-checkout .promo-bar,
body.page-checkout .wrap{
  max-width:100%;overflow-x:clip;
}
#checkoutForm{position:relative;max-width:100%;overflow-x:clip}
.checkout{display:grid;grid-template-columns:minmax(0,1fr);gap:20px;min-width:0;width:100%;max-width:100%}
.checkout-main{min-width:0;max-width:100%}
.fs{padding:16px}
.f-row-2,.f-row-3{display:grid;grid-template-columns:minmax(0,1fr);gap:12px}
.f-row-2>div,.f-row-3>div{margin:0;min-width:0}
.pay-opt{padding:12px;gap:10px}
.pay-opt-title{gap:8px}
.pay-opt strong{font-size:13.5px}
.pay-opt-badges{max-width:38%}
.pay-badge-cards{height:22px}
.pay-badge-local{height:22px}
.contact-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:26px}
.contact-card{padding:18px;border-radius:var(--radius)}
.co-grand strong{font-size:20px}

/* --------------------------------------------------------------- 页脚 */
.foot-grid{grid-template-columns:1fr 1fr;gap:24px;padding-block:30px 24px}
.foot-about{grid-column:1/-1}
/* 支付图标通栏：避免挤在半栏里变成碎块 */
.foot-pay{
  grid-column:1/-1;
  padding-top:4px;
  border-top:1px solid rgba(255,255,255,.12);
}
.foot-pay .foot-h{margin-bottom:12px}
.foot-pay-icons{
  grid-template-columns:repeat(4, minmax(0,1fr));
  gap:10px;
  max-width:none;
}
.foot-pay-badge{min-height:48px;padding:9px 8px;border-radius:8px}
.foot-pay-badge img{max-height:30px}
.foot-social{margin-top:14px}
.foot-h{margin-bottom:10px}
/* 手机端页脚链接原来只有 17px 高，手指点不准，
   Search Console 的「点击目标大小不合适」也会报这一项。撑到 40px。
   品牌那三列撤掉之后每列最多 6 条，不再需要截断。 */
.foot-links a{font-size:13px;display:inline-flex;align-items:center;min-height:40px}
.foot-lang{padding-block:18px}
.foot-warn{font-size:11.5px}
.age-card{padding:24px 20px}
.age-actions{display:grid;gap:8px}
.age-actions .btn{width:100%}
.search-lg{margin-top:14px}
.search-lg .btn{margin-left:8px;padding:14px 18px}
.empty{padding:36px 16px}
.pager-num,.pager-btn{min-width:38px;height:38px;font-size:13px;padding:0 9px}
.success-next{padding:16px 18px}
.success-table{display:block;overflow-x:auto}
.success-meta-row{grid-template-columns:1fr;gap:4px}

/* 无海报文字首屏 */
.hero-lead-in{padding-block:64px 56px;text-align:center}
.hero-lead{min-height:min(74vh,640px)}
.hero-lead-brand{font-size:clamp(36px,10vw,52px)}
.hero-lead-title{font-size:clamp(24px,6.5vw,34px)}
.hero-lead-copy{font-size:17px}
.hero-lead-cta{flex-direction:column;align-items:center}
.hero-lead-cta .btn{min-width:220px;justify-content:center}