/* ============ 遮罩 / 抽屉 ============ */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);backdrop-filter:blur(3px);opacity:0;pointer-events:none;transition:opacity .35s;z-index:950}
.overlay.show{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(440px,100vw);background:var(--paper);z-index:960;transform:translateX(102%);transition:transform .5s var(--ease);display:flex;flex-direction:column;border-left:1px solid var(--ink)}
.drawer.open{transform:none}
.drawer-head{display:flex;justify-content:space-between;align-items:center;padding:22px 24px;border-bottom:1px solid var(--ink)}
.drawer-head h3{font-size:22px}
.ship-progress{padding:16px 24px;border-bottom:1px solid var(--line);font-size:13px;color:var(--ink2)}
.ship-progress b{color:var(--accent)}
.bar{height:6px;border-radius:0;background:var(--paper2);margin-top:10px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--accent);border-radius:0;transition:width .5s var(--ease);width:0}
.drawer-items{flex:1;overflow-y:auto;padding:6px 24px}
.c-item{display:grid;grid-template-columns:84px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.c-thumb{aspect-ratio:1;border-radius:0;background:var(--tone);display:grid;place-items:center;border:1px solid var(--line)}
.c-thumb svg{width:76%}
.c-row{display:flex;justify-content:space-between;align-items:center;gap:8px}
.c-row h4{font-size:15px;font-family:var(--serif)}
.c-remove{color:var(--ink2);font-size:11px;width:26px;height:26px;border-radius:0;transition:.2s;border:1px solid var(--line)}
.c-remove:hover{background:var(--accent);color:var(--paper);border-color:var(--accent)}
.c-sub{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;color:var(--muted);margin:4px 0 10px;text-transform:uppercase}
.stepper{display:flex;align-items:center;border:1px solid var(--ink);border-radius:0;overflow:hidden}
.stepper button{width:30px;height:30px;display:grid;place-items:center;transition:.2s;font-size:15px;line-height:1}
.stepper button:hover{background:var(--accent);color:var(--paper)}
.stepper span{min-width:28px;text-align:center;font-family:var(--mono);font-size:13px}
.c-foot .price{font-size:15px}
.c-empty{text-align:center;padding:70px 0;display:grid;gap:14px;justify-items:center;color:var(--ink2)}
.c-empty-art{width:120px;opacity:.7}
.c-empty p{font-family:var(--serif);font-size:18px}
.drawer-foot{border-top:1px solid var(--ink);padding:20px 24px 24px;background:var(--paper)}
.d-row{display:flex;justify-content:space-between;font-size:14px;padding:4px 0;color:var(--ink2)}
.d-row.total{font-size:18px;color:var(--ink);border-top:1px solid var(--accent);margin-top:10px;padding-top:14px}
.d-row.total .price{font-size:19px}
#checkoutBtn{margin-top:16px}
.drawer-note{text-align:center;font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;color:var(--muted);margin-top:12px}

/* ============ 弹层通用 ============ */
.modal{position:fixed;inset:0;z-index:970;display:grid;place-items:center;padding:20px;opacity:0;pointer-events:none;transition:opacity .3s}
.modal.open{opacity:1;pointer-events:auto}
.modal-card{background:var(--paper);border:1px solid var(--ink);border-radius:0;max-width:960px;width:100%;max-height:90vh;overflow-y:auto;position:relative;transform:translateY(24px) scale(.98);transition:transform .4s var(--ease)}
.modal.open .modal-card{transform:none}

/* ============ 商品详情 ============ */
.pm{display:grid;grid-template-columns:1fr 1fr;overflow:hidden}
.pm-close{position:absolute;top:16px;right:16px;z-index:3}
.pm-media{background:var(--tone,#F5F6F7);display:grid;place-items:center;position:relative;min-height:440px;border-right:1px solid var(--ink)}
.pm-media svg{width:70%}
.pm-badge{position:absolute;top:18px;left:18px;background:var(--accent);color:var(--paper);font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;padding:5px 11px;border-radius:0}
.pm-badge.hot{background:var(--accent2)}
.pm-info{padding:40px 40px 36px}
.pm-cat{font-family:var(--mono);font-size:11px;letter-spacing:.22em;color:var(--muted);text-transform:uppercase}
.pm-info h3{font-size:clamp(26px,2.6vw,36px);margin:12px 0 10px}
.pm-rating{font-size:13px;color:var(--ink2)}
.pm-rating .star{color:var(--accent);letter-spacing:2px;font-size:14px}
.pm-rating span{margin-left:8px}
.pm-price{font-family:var(--mono);font-size:26px;font-weight:700;margin:14px 0}
.pm-desc{color:var(--ink2);font-size:14.5px;border-top:1px solid var(--line);padding-top:16px}
.pm-label{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--muted);margin:22px 0 10px;text-transform:uppercase}
.swatches{display:flex;gap:10px}
.sw{width:34px;height:34px;border-radius:0;background:var(--sw);border:1px solid var(--line);transition:.2s}
.sw:hover{transform:none}
.sw.active{border-color:var(--accent);box-shadow:none;outline:2px solid var(--accent);outline-offset:2px}
.pm-actions{display:flex;gap:12px;margin-top:26px}
.pm-actions .stepper{height:52px}
.pm-actions .stepper button{width:44px;height:50px}
.pm-actions .stepper span{min-width:34px;font-size:15px}
#addBtn{flex:1;height:52px;border-radius:0;background:var(--accent);color:var(--paper);font-family:var(--mono);font-size:14px;letter-spacing:.05em;transition:.25s}
#addBtn:hover{background:var(--accent2)}
.pm-meta{list-style:none;margin-top:26px;display:grid;gap:9px}
.pm-meta li{display:flex;gap:10px;align-items:center;font-size:13px;color:var(--ink2)}
.pm-meta li::before{content:"";width:6px;height:6px;background:var(--accent);border-radius:0;flex:none}

/* ============ 结算 ============ */
.co{max-width:880px}
.co-head{display:flex;align-items:center;gap:18px;padding:20px 28px;border-bottom:1px solid var(--ink);position:sticky;top:0;background:var(--paper);z-index:2;border-radius:0}
.co-head h3{font-size:22px}
.co-steps{display:flex;gap:6px;margin-left:auto;font-family:var(--mono);font-size:11px;letter-spacing:.06em}
.co-steps span{padding:6px 12px;border-radius:0;color:var(--ink2);border:1px solid var(--line);white-space:nowrap}
.co-steps span.on{background:var(--accent);color:var(--paper);border-color:var(--accent)}
.co-steps span.done{color:var(--accent);border-color:var(--accent)}
.co-grid{display:grid;grid-template-columns:1.2fr .8fr}
.co-form{padding:28px;display:grid;gap:16px;align-content:start}
.co-form label{display:grid;gap:7px;font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.co-form input,.co-form textarea{padding:13px 16px;border:1px solid var(--line);border-radius:0;background:transparent;outline:none;font-family:var(--sans);font-size:14px;transition:.2s;resize:vertical;letter-spacing:0;text-transform:none}
.co-form input:focus,.co-form textarea:focus{border-color:var(--accent)}
.co-form input.bad{border-color:var(--accent)}
.err{color:var(--accent);font-size:11px;letter-spacing:0;text-transform:none;min-height:14px}
.pay-methods{display:grid;gap:10px}
.pay-opt{display:flex;align-items:center;gap:14px;border:1px solid var(--line);border-radius:0;padding:14px 16px;cursor:pointer;transition:.2s;position:relative}
.pay-opt b{font-size:15px}
.pay-opt span{font-size:12px;color:var(--ink2)}
.pay-opt.on{border-color:var(--accent);background:var(--paper2)}
.pay-opt::after{content:"";margin-left:auto;width:16px;height:16px;border-radius:0;border:1px solid var(--ink);flex:none}
.pay-opt.on::after{background:var(--accent)}
.card-fields{display:grid;gap:16px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.co-nav{display:flex;justify-content:space-between;gap:12px;margin-top:6px}
.co-nav.center{justify-content:center}
.co-summary{border-left:1px solid var(--ink);padding:28px;background:var(--paper2);align-self:start}
.co-summary h4{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--muted);text-transform:uppercase;margin-bottom:14px}
.co-line{display:flex;justify-content:space-between;font-size:13.5px;padding:7px 0;color:var(--ink2);gap:12px}
.co-line.co-ship{border-top:1px solid var(--line);margin-top:8px;padding-top:14px}
.co-line.co-total{font-size:18px;font-weight:700;color:var(--ink);border-top:1px solid var(--accent);margin-top:10px;padding-top:14px}
.co-processing{display:grid;place-items:center;gap:18px;padding:100px 20px}
.co-processing p{font-family:var(--mono);font-size:13px;letter-spacing:.14em;color:var(--ink2)}
.co-success{text-align:center;padding:56px 40px;display:grid;gap:14px;justify-items:center}
.co-success h3{font-size:30px}
.check{width:84px;height:84px}
.check circle{fill:none;stroke:var(--accent);stroke-width:4;stroke-dasharray:227;stroke-dashoffset:227;animation:draw .8s var(--ease) forwards}
.check path{fill:none;stroke:var(--accent);stroke-width:5;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:60;stroke-dashoffset:60;animation:draw .5s .55s var(--ease) forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.co-no{font-family:var(--mono);font-size:13px;letter-spacing:.1em;color:var(--ink2)}
.co-no b{color:var(--ink)}
.co-lines{width:100%;border-top:1px solid var(--line);padding-top:8px}
.co-addr{font-size:13px;color:var(--ink2)}
.spinner{width:15px;height:15px;border:2px solid rgba(0,0,0,.15);border-top-color:var(--accent);border-radius:0;animation:spin .7s linear infinite;display:inline-block}
.spinner.big{width:34px;height:34px;border-color:rgba(0,0,0,.18);border-top-color:var(--accent)}
@keyframes spin{to{transform:rotate(360deg)}}

/* ============ 轻提示 ============ */
.toasts{position:fixed;left:22px;bottom:22px;z-index:1200;display:grid;gap:10px}
.toast{background:var(--accent);color:var(--paper);padding:14px 20px;border-radius:0;font-size:13.5px;box-shadow:none;transform:translateY(16px);opacity:0;transition:.35s var(--ease);display:flex;align-items:center;gap:10px;max-width:min(360px,80vw)}
.toast::before{content:"";width:7px;height:7px;border-radius:0;background:var(--paper);flex:none}
.toast.show{transform:none;opacity:1}

/* ============ 响应式 ============ */
@media(max-width:1100px){
  .hero-inner{grid-template-columns:1fr;min-height:0;padding-top:36px;gap:30px}
  .hero-art{max-width:540px;margin:0 auto;width:100%}
  .grid{grid-template-columns:repeat(2,1fr)}
  .craft-inner{grid-template-columns:1fr;gap:44px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(3){border-left:0}
  .stat{border-top:1px solid var(--line)}
  .stat:nth-child(-n+2){border-top:0}
  .voice-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .pm{grid-template-columns:1fr}
  .pm-media{min-height:300px;border-right:0;border-bottom:1px solid var(--ink)}
  .co-grid{grid-template-columns:1fr}
  .co-summary{border-left:0;border-top:1px solid var(--ink)}
}
@media(max-width:760px){
  .nav-links{display:none}
  .burger{display:grid}
  .cart-btn{padding:10px 14px}
  .section-head{flex-direction:column;align-items:flex-start}
  .toolbar{flex-direction:column;align-items:stretch}
  .tools{justify-content:space-between}
  .search{max-width:none}
  .co-steps{display:none}
  .scroll-hint{display:none}
  .hero-meta{gap:26px}
  .nl-form{flex-direction:column}
}
@media(max-width:480px){
  .grid{grid-template-columns:1fr}
  .two-col{grid-template-columns:1fr}
  .modal{padding:10px}
  .modal-card{border-radius:0}
  .co-head{border-radius:0;padding:16px 18px}
  .co-form,.co-summary{padding:20px}
  .pm-info{padding:28px 22px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
}