/* ============================================================
   TEEZE · 定制轮毂垫片 · 公共样式（tz-spacer-boundary 命名空间）
   ============================================================ */
.tz-spacer-boundary {
  --tz-black:#000; --tz-white:#fff; --tz-yellow:#efa333; --tz-yellow2:#f6b650;
  --tz-bg:#000; --tz-surface:#080808; --tz-body:#c8c8c8; --tz-muted:#8b8b8b;
  --tz-line:rgba(255,255,255,.13); --tz-line-soft:rgba(255,255,255,.07);
  --tz-display:"Arial Narrow","Helvetica Neue Condensed","Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  --tz-sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --tz-mono:Consolas,"SFMono-Regular","Liberation Mono",Menlo,monospace;
  --tz-serif:Georgia,"Times New Roman","Songti SC",serif;
  --tz-max:1240px; --tz-gutter:clamp(20px,4vw,48px);
  --tz-section:clamp(76px,10vw,140px); --tz-ease:cubic-bezier(.16,1,.3,1);
}
.tz-spacer-boundary, .tz-spacer-boundary *, .tz-spacer-boundary *::before, .tz-spacer-boundary *::after { box-sizing:border-box; }
.tz-spacer-boundary {
  position:relative; display:block; overflow:hidden;
  background:var(--tz-bg); color:var(--tz-white);
  font-family:var(--tz-sans); line-height:1.75;
  border-top:1px solid var(--tz-line);
  padding-top:var(--tz-pad-top,0px); padding-bottom:var(--tz-pad-bottom,0px);
}
.tz-spacer-boundary a { color:inherit; text-decoration:none; }
.tz-spacer-boundary img { display:block; max-width:100%; }
.tz-spacer-boundary h1,.tz-spacer-boundary h2,.tz-spacer-boundary h3,.tz-spacer-boundary h4,.tz-spacer-boundary p,.tz-spacer-boundary figure,.tz-spacer-boundary blockquote { margin:0; }
.tz-spacer-boundary .tz-spacer-boundary-inner { position:relative; max-width:var(--tz-max); margin:0 auto; padding:var(--tz-section) var(--tz-gutter); }
.tz-spacer-boundary .tz-ff-display { font-family:var(--tz-display); }
.tz-spacer-boundary .tz-ff-sans    { font-family:var(--tz-sans); }
.tz-spacer-boundary .tz-ff-mono    { font-family:var(--tz-mono); }
.tz-spacer-boundary .tz-ff-serif   { font-family:var(--tz-serif); }
.tz-spacer-boundary .tz-align-left { text-align:left; }
.tz-spacer-boundary .tz-align-center { text-align:center; }
.tz-spacer-boundary .tz-align-right { text-align:right; }
.tz-spacer-boundary .tz-align-center h1, .tz-spacer-boundary .tz-align-center h2 { margin-left:auto; margin-right:auto; }
.tz-spacer-boundary .tz-hl { color:var(--tz-accent, var(--tz-yellow)); }
.tz-spacer-boundary .tz-reveal { opacity:0; transform:translateY(18px); transition:opacity .65s var(--tz-ease),transform .65s var(--tz-ease); }
.tz-spacer-boundary .tz-reveal.tz-visible { opacity:1; transform:none; }
.tz-spacer-boundary .tz-spacer-boundary-head { display:grid; grid-template-columns:auto 1fr auto; align-items:center; gap:20px; margin-bottom:clamp(36px,5vw,64px); }
.tz-spacer-boundary .tz-spacer-boundary-index { font-family:var(--tz-mono); letter-spacing:.2em; color:var(--tz-index-color,var(--tz-muted)); font-weight:var(--tz-index-weight,700); font-size:var(--tz-index-size,11px); line-height:1; }
.tz-spacer-boundary .tz-spacer-boundary-rule { position:relative; height:1px; background:var(--tz-line); }
.tz-spacer-boundary .tz-spacer-boundary-rule::before { content:""; position:absolute; left:0; top:0; width:56px; height:1px; background:var(--tz-accent,var(--tz-yellow)); }
.tz-spacer-boundary .tz-spacer-boundary-label { font-family:var(--tz-mono); letter-spacing:.22em; text-transform:uppercase; color:var(--tz-label-color,var(--tz-muted)); font-weight:var(--tz-label-weight,700); font-size:var(--tz-label-size,10px); line-height:1; }
@media (max-width:640px) { .tz-spacer-boundary .tz-spacer-boundary-head { grid-template-columns:auto 1fr; } .tz-spacer-boundary .tz-spacer-boundary-label { display:none; } }
.tz-spacer-boundary .tz-ph { position:relative; display:grid; place-items:center; overflow:hidden; background:repeating-linear-gradient(45deg,rgba(255,255,255,.022) 0 10px,transparent 10px 20px),var(--tz-surface); border:1px dashed rgba(255,255,255,.2); }
.tz-spacer-boundary .tz-ph::before, .tz-spacer-boundary .tz-ph::after { content:""; position:absolute; width:14px; height:14px; pointer-events:none; border:1px solid rgba(255,255,255,.28); }
.tz-spacer-boundary .tz-ph::before { top:10px; left:10px; border-right:0; border-bottom:0; }
.tz-spacer-boundary .tz-ph::after { bottom:10px; right:10px; border-left:0; border-top:0; }
.tz-spacer-boundary .tz-ph span { font:600 10px/1.7 var(--tz-mono); letter-spacing:.14em; text-transform:uppercase; color:var(--tz-muted); text-align:center; padding:0 22px; }
.tz-spacer-boundary .tz-ph span b { display:block; color:rgba(255,255,255,.82); font-size:12px; letter-spacing:.06em; margin-bottom:4px; font-weight:600; }
.tz-spacer-boundary .tz-ph--vid .tz-ph-play { position:absolute; top:50%; left:50%; transform:translate(-50%,-50%); width:54px; height:54px; border:1px solid rgba(255,255,255,.32); border-radius:50%; }
.tz-spacer-boundary .tz-ph--vid .tz-ph-play::before { content:""; position:absolute; top:50%; left:54%; transform:translate(-50%,-50%); width:0; height:0; border-left:11px solid rgba(255,255,255,.6); border-top:7px solid transparent; border-bottom:7px solid transparent; }
.tz-spacer-boundary .tz-ph--vid span { position:absolute; bottom:16px; left:0; right:0; }
.tz-spacer-boundary .tz-ph--16x9 { aspect-ratio:16/9; }
.tz-spacer-boundary .tz-ph--4x3 { aspect-ratio:4/3; }
.tz-spacer-boundary .tz-ph--1x1 { aspect-ratio:1/1; }
.tz-spacer-boundary .tz-ph--3x4 { aspect-ratio:3/4; }
.tz-spacer-boundary .tz-ph--cover { position:absolute; inset:0; height:100%; border:0; }
@media (min-width:768px) { .tz-spacer-boundary.tz-hide-pc { display:none !important; } }
@media (max-width:767px) { .tz-spacer-boundary.tz-hide-mobile { display:none !important; } }
@media (prefers-reduced-motion:reduce) { .tz-spacer-boundary .tz-reveal { opacity:1; transform:none; transition:none; } }

.tz-spacer-boundary .tz-spacer-boundary-grid { display:grid; gap:clamp(30px,4vw,60px); align-items:start; }
.tz-spacer-boundary .tz-spacer-boundary-title { margin:0; max-width:54ch; }
.tz-spacer-boundary .tz-spacer-boundary-title .tz-title-line { display:block; white-space:nowrap; color:var(--tz-line-color,var(--tz-white)); font-weight:var(--tz-line-weight,700); font-size:var(--tz-line-size,clamp(32px,5.4vw,62px)); line-height:var(--tz-line-height,1.06); letter-spacing:var(--tz-line-spacing,.01em); }
.tz-spacer-boundary .tz-spacer-boundary-lead { margin-top:24px; color:var(--tz-lead-color,var(--tz-white)); font-weight:var(--tz-lead-weight,400); font-size:var(--tz-lead-size,clamp(16px,1.35vw,19px)); line-height:1.85; max-width:66ch; }
.tz-spacer-boundary .tz-spacer-boundary-bdnote { margin-top:clamp(26px,3vw,38px); padding-left:22px; border-left:2px solid var(--tz-accent); color:var(--tz-bd_note-color,var(--tz-white)); font-weight:var(--tz-bd_note-weight,400); font-size:var(--tz-bd_note-size,15.5px); line-height:1.8; }
.tz-spacer-boundary .tz-spacer-boundary-fig { margin-top:clamp(28px,3.4vw,44px); }
.tz-spacer-boundary .tz-spacer-boundary-fig img, .tz-spacer-boundary .tz-spacer-boundary-fig .tz-ph { width:100%; }
.tz-spacer-boundary .tz-spacer-boundary-figcap { margin-top:12px; font:500 11px/1.7 var(--tz-mono); letter-spacing:.08em; color:var(--tz-muted); }
.tz-spacer-boundary .tz-spacer-boundary-nolist { display:grid; gap:1px; background:var(--tz-line); border:1px solid var(--tz-line); }
.tz-spacer-boundary .tz-spacer-boundary-noitem { background:var(--tz-bg); padding:clamp(24px,2.8vw,34px); transition:background .3s ease; }
.tz-spacer-boundary .tz-spacer-boundary-noitem:hover { background:var(--tz-surface); }
.tz-spacer-boundary .tz-spacer-boundary-x { position:relative; width:18px; height:18px; margin-bottom:20px; }
.tz-spacer-boundary .tz-spacer-boundary-x::before, .tz-spacer-boundary .tz-spacer-boundary-x::after { content:""; position:absolute; top:50%; left:0; width:18px; height:1px; background:var(--tz-accent); }
.tz-spacer-boundary .tz-spacer-boundary-x::before { transform:rotate(45deg); }
.tz-spacer-boundary .tz-spacer-boundary-x::after { transform:rotate(-45deg); }
.tz-spacer-boundary .tz-spacer-boundary-noitem h3 { margin-bottom:12px; color:var(--tz-ntitle-color,var(--tz-white)); font-weight:var(--tz-ntitle-weight,700); font-size:var(--tz-ntitle-size,clamp(17px,1.8vw,21px)); line-height:1.3; font-family:var(--tz-display); }
.tz-spacer-boundary .tz-spacer-boundary-noitem p { font-size:14.5px; line-height:1.8; color:var(--tz-nbody-color,var(--tz-muted)); font-weight:var(--tz-nbody-weight,400); }
@media (min-width:640px) { .tz-spacer-boundary .tz-spacer-boundary-nolist { grid-template-columns:repeat(3,1fr); } }
@media (min-width:960px) { .tz-spacer-boundary .tz-spacer-boundary-grid { grid-template-columns:.95fr 1.05fr; } }
.tz-spacer-boundary-bg { position:absolute; top:0; left:0; right:0; height:var(--tz-bg-height,100%); z-index:0; pointer-events:none; }
.tz-spacer-boundary-bg img { width:100%; height:100%; object-fit:cover; display:block; }
.tz-spacer-boundary-bg-overlay { position:absolute; inset:0; background:linear-gradient(0deg,var(--tz-bg-overlay-color,#000) 0%,var(--tz-bg-overlay-color,#000) var(--tz-bg-overlay-mid,0%),transparent var(--tz-bg-overlay-stop,60%)); opacity:calc(var(--tz-bg-overlay-opacity,0) / 100); }