/**
 * TOTO Food Truck — 站点样式
 * 由 tools/extract-demo.php 从 demo 静态页合并生成，之后可直接编辑本文件。
 */

:root{
  --ink-900:#14171A; --ink-800:#1E2328; --ink-700:#2B3238; --ink-600:#3D464E;
  --ink-500:#5A656E; --ink-450:#6B757D; --ink-400:#8A939B; --ink-300:#B9C0C6;
  --paper:#F7F7F4; --surface:#FFFFFF; --surface-alt:#F1F2EF;
  --warm:#F4ECDD; --warm-2:#EDE2CE; --warm-line:#DCCFB6;
  --crimson:#B3261E; --crimson-deep:#8C1D17; --crimson-ink:#F7EEDE; --amber-bright:#FFD34D;
  --amber:#E5A300; --amber-ink:#14171A;
  --line-100:#E8EBED; --line-200:#D8DDE1; --line-300:#B9C0C6;
  --dark-line:#3D464E; --on-dark:#F2F3F0; --on-dark-dim:#8A939B;
  --link:#0B5C7A;
  --r:2px;
  --f-sans:'Archivo','Helvetica Neue',Arial,sans-serif;
  --f-mono:'Roboto Mono','SFMono-Regular',Consolas,monospace;
  --container:1440px; --gutter:48px;
}
*,*::before,*::after{ border-radius:var(--r); box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; scroll-padding-top:72px; }
@media (prefers-reduced-motion:reduce){ html{ scroll-behavior:auto; } *{ animation-duration:.001ms !important; transition-duration:.001ms !important; } }
body{ margin:0; background:var(--paper); color:var(--ink-900);
  font-family:var(--f-sans); font-size:16px; line-height:1.62;
  font-variant-numeric:tabular-nums; -webkit-font-smoothing:antialiased; }
img,svg{ display:block; max-width:100%; }
a{ color:var(--link); text-decoration:underline; text-underline-offset:3px; text-decoration-thickness:1px; }
a:hover{ text-decoration-thickness:2px; text-decoration-color:var(--amber); }
:focus-visible{ outline:2px solid var(--amber); outline-offset:3px; }
::selection{ background:var(--amber); color:var(--ink-900); }
.num,.mono{ font-family:var(--f-mono); font-variant-numeric:tabular-nums; font-feature-settings:'tnum' 1,'zero' 1; }
.label{ font-size:13px; font-weight:700; letter-spacing:.08em; text-transform:uppercase; }
.label-sm{ font-size:11px; font-weight:700; letter-spacing:.1em; text-transform:uppercase; }
.u{ font-family:var(--f-mono); font-size:12px; font-weight:400; color:inherit; margin-left:5px; letter-spacing:.02em; }
.to{ color:inherit; font-weight:400; padding:0 2px; }
.muted{ color:var(--ink-500); }
.rule{ height:1px; background:var(--line-200); border:0; margin:0; }
.wrap{ width:100%; max-width:var(--container); margin:0 auto; padding:0 var(--gutter); }
.sect{ padding:104px 0; }
.btn{ display:inline-flex; align-items:center; justify-content:center; gap:10px;
  height:56px; padding:0 32px; font-size:14px; font-weight:700; letter-spacing:.06em; text-transform:uppercase;
  border:1px solid transparent; text-decoration:none; white-space:nowrap; cursor:pointer;
  transition:background-color .12s linear,border-color .12s linear,color .12s linear; }
.btn-amber{ background:var(--amber); color:var(--amber-ink); border-color:var(--amber); }
.btn-amber:hover{ background:#c98f00; border-color:#c98f00; text-decoration:none; }
.btn-crimson{ background:var(--crimson); color:var(--crimson-ink); border-color:var(--crimson); }
.btn-crimson:hover{ background:var(--crimson-deep); border-color:var(--crimson-deep); text-decoration:none; }
.btn-ink{ background:transparent; color:var(--ink-900); border-color:var(--ink-900); }
.btn-ink:hover{ background:var(--ink-900); color:var(--paper); text-decoration:none; }
.btn-light{ background:transparent; color:var(--on-dark); border-color:var(--dark-line); }
.btn-light:hover{ border-color:var(--amber); color:var(--amber); text-decoration:none; }
.btn-warm{ background:transparent; color:var(--ink-900); border-color:var(--warm-line); }
.btn-warm:hover{ background:var(--ink-900); color:var(--warm); border-color:var(--ink-900); text-decoration:none; }
.txtbtn{ display:inline-flex; align-items:center; gap:7px; font-size:14px; font-weight:600;
  color:var(--link); text-decoration:underline; text-underline-offset:4px; text-decoration-thickness:1px;
  background:none; border:0; padding:0; cursor:pointer; font-family:var(--f-sans); }
.txtbtn::after{ content:"\203A"; text-decoration:none; }
.on-dark .txtbtn,.txtbtn.on-dark{ color:var(--amber); }
.txtbtn.on-light{ color:var(--ink-900); }
.txtbtn:hover{ text-decoration-thickness:2px; text-decoration-color:var(--amber); }
.head{ position:sticky; top:0; z-index:80; background:var(--ink-900); border-bottom:1px solid var(--dark-line); }
.head-in{ display:flex; align-items:center; gap:36px; height:68px; }
.brand{ font-size:19px; font-weight:800; letter-spacing:-.01em; color:var(--on-dark); text-decoration:none; line-height:1.15; }
.brand:hover{ text-decoration:none; }
.brand .sub{ display:block; font-family:var(--f-mono); font-size:10px; font-weight:500;
  letter-spacing:.16em; color:var(--on-dark-dim); text-transform:uppercase; margin-top:2px; }
.nav{ margin-left:auto; }
.nav ul{ display:flex; align-items:center; gap:2px; list-style:none; margin:0; padding:0; }
.nav a{ display:block; padding:11px 13px; font-size:13px; font-weight:600; letter-spacing:.06em; text-transform:uppercase;
  color:var(--on-dark-dim); text-decoration:none; border-bottom:2px solid transparent; }
.nav a:hover{ color:var(--on-dark); border-bottom-color:var(--amber); text-decoration:none; }
.head-cta{ margin-left:10px; }
.burger{ display:none; margin-left:auto; width:44px; height:44px; background:transparent;
  border:1px solid var(--dark-line); color:var(--on-dark); cursor:pointer; font-family:var(--f-mono);
  font-size:11px; letter-spacing:.08em; }
.mpanel{ display:none; }
.hero{ background:var(--crimson); color:var(--crimson-ink); position:relative; overflow:hidden; }
.hero-grid{ background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='56'%3E%3Cpath d='M56 0H0V56' fill='none' stroke='%23C4352C' stroke-width='1'/%3E%3C/svg%3E"); }
.hero-in{ display:grid; grid-template-columns:6fr 5fr; gap:56px; align-items:center;
  min-height:calc(100vh - 68px); padding-top:88px; padding-bottom:88px; }
.hero-band{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:2px;
  background:rgba(247,238,222,.3); border-top:2px solid rgba(247,238,222,.3); }
.hero-band .imgslot{ border:0; }
.hero h1{ font-size:76px; line-height:1.02; font-weight:900; letter-spacing:-.028em; margin:0 0 28px; }
.hero h1 .mark{ display:block; }
.hero h1 .am{ color:var(--amber-bright); }
.eyebrow{ display:flex; align-items:center; gap:12px; font-size:12px; font-weight:700;
  letter-spacing:.14em; text-transform:uppercase; color:rgba(247,238,222,.9); }
.eyebrow::after{ content:""; flex:1; height:1px; background:rgba(247,238,222,.28); }
.hero .lead{ font-size:19px; line-height:1.56; color:rgba(247,238,222,.88); max-width:50ch; margin:0 0 36px; }
.hero-actions{ display:flex; flex-wrap:wrap; align-items:center; gap:14px; }
.hero-note{ font-size:14px; color:rgba(247,238,222,.9); margin:24px 0 0; max-width:48ch; }
.hero-figs{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:1px; margin-top:52px;
  background:rgba(247,238,222,.2); border:1px solid rgba(247,238,222,.2); }
.hero-figs div{ background:var(--crimson); padding:18px 20px; }
.hero-figs .k{ display:block; font-family:var(--f-mono); font-size:30px; font-weight:500; line-height:1.1; color:var(--amber-bright); }
.hero-figs .l{ display:block; font-size:12px; font-weight:600; letter-spacing:.07em; text-transform:uppercase;
  color:rgba(247,238,222,.9); margin-top:6px; }
.hero-side{ display:grid; grid-template-columns:1fr; gap:24px; align-content:start; }
.hero-board{ background:var(--ink-900); color:var(--on-dark); padding:40px 36px; }
.hero-board .bh{ font-size:12px; font-weight:700; letter-spacing:.1em; text-transform:uppercase;
  color:var(--on-dark-dim); padding-bottom:16px; border-bottom:1px solid var(--dark-line); }
.hero-board .big{ font-family:var(--f-mono); font-size:62px; font-weight:500; line-height:1;
  color:var(--amber); margin:28px 0 6px; letter-spacing:-.02em; }
.hero-board .biglbl{ font-size:13px; color:var(--on-dark-dim); margin:0 0 28px; }
.hero-board .row{ display:flex; justify-content:space-between; align-items:baseline; gap:16px;
  padding:13px 0; border-bottom:1px solid var(--dark-line); }
.hero-board .row:last-child{ border-bottom:0; }
.hero-board .row .k{ font-size:12px; font-weight:600; letter-spacing:.06em; text-transform:uppercase; color:var(--on-dark-dim); }
.hero-board .row .v{ font-family:var(--f-mono); font-size:15px; color:var(--on-dark); white-space:nowrap; }
.hero-board .row .v .u{ color:var(--on-dark-dim); }
.hero-board .foot{ margin-top:24px; padding-top:16px; border-top:1px solid var(--dark-line);
  font-size:12px; color:var(--on-dark-dim); }
.imgslot{ display:flex; flex-direction:column; margin:0;
  background:var(--ink-900); border:1px solid var(--dark-line); }
.imgslot .ifrm{ position:relative; display:block; background:var(--ink-900); overflow:hidden; }
.imgslot .ix{ position:absolute; top:12px; left:14px; display:block;
  font-family:var(--f-mono); font-size:10px; font-weight:600; letter-spacing:.16em;
  text-transform:uppercase; color:var(--on-dark-dim); }
.imgslot .ik{ position:absolute; top:12px; right:14px; display:block;
  font-family:var(--f-mono); font-size:10px; letter-spacing:.08em; color:var(--on-dark-dim); }
.imgslot figcaption{ display:block; margin:0; padding:11px 14px 13px;
  background:var(--ink-800); border-top:1px solid var(--dark-line); }
.imgslot .it{ display:block; font-size:12px; font-weight:700; letter-spacing:.1em;
  text-transform:uppercase; line-height:1.3; color:var(--on-dark); }
.imgslot .isub{ display:block; margin-top:4px; font-family:var(--f-mono);
  font-size:11px; line-height:1.5; color:var(--on-dark-dim); }
.imgslot.lt{ background:var(--warm-2); border-color:var(--warm-line); }
.imgslot.lt .ifrm{ background:var(--warm-2); }
.imgslot.lt figcaption{ background:var(--warm); border-top-color:var(--warm-line); }
.imgslot.lt .it{ color:var(--ink-900); }
.imgslot.lt .ix,.imgslot.lt .ik,.imgslot.lt .isub{ color:var(--ink-500); }
.imgslot.pa{ background:var(--surface-alt); border-color:var(--line-200); }
.imgslot.pa .ifrm{ background:var(--surface-alt); }
.imgslot.pa figcaption{ background:var(--surface); border-top-color:var(--line-200); }
.imgslot.pa .it{ color:var(--ink-900); }
.imgslot.pa .ix,.imgslot.pa .ik,.imgslot.pa .isub{ color:var(--ink-500); }
.imgslot.cr{ background:var(--crimson-deep); border-color:rgba(247,238,222,.3); }
.imgslot.cr .ifrm{ background:var(--crimson-deep); }
.imgslot.cr figcaption{ background:var(--crimson-deep); border-top-color:rgba(247,238,222,.3); }
.imgslot.cr .it{ color:var(--crimson-ink); }
.imgslot.cr .ix,.imgslot.cr .ik,.imgslot.cr .isub{ color:var(--crimson-ink); }
.ifrm.r-219{ aspect-ratio:21/9; }
.ifrm.r-31{ aspect-ratio:3/1; }
.ifrm.r-32{ aspect-ratio:3/2; }
.ifrm.r-169{ aspect-ratio:16/9; }
.ifrm.r-43{ aspect-ratio:4/3; }
.ifrm.r-11{ aspect-ratio:1/1; }
.ifrm.r-34{ aspect-ratio:3/4; }
.imgslot.bleed{ margin:-24px -24px 20px; border:0; }
.slotgrid{ display:grid; gap:16px; }
.slotgrid.s2{ grid-template-columns:repeat(2,minmax(0,1fr)); }
.slotgrid.s3{ grid-template-columns:repeat(3,minmax(0,1fr)); }
.slotgrid.s4{ grid-template-columns:repeat(4,minmax(0,1fr)); }
.ind-card .imgslot{ margin:-56px -44px 28px; border:0; }
.trinity{ background:var(--ink-900); color:var(--on-dark); padding:0; }
.trinity-in{ display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); }
.trinity-in div{ padding:52px 32px; border-right:1px solid var(--dark-line); }
.trinity-in div:last-child{ border-right:0; }
.trinity-in p{ margin:0; font-size:29px; font-weight:700; letter-spacing:-.015em; line-height:1.24; }
.trinity-in span{ display:block; margin-top:12px; font-size:14px; color:var(--on-dark-dim); }
.ind{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:2px; background:var(--line-300); }
.ind-card{ display:block; padding:56px 44px 48px; text-decoration:none; min-height:430px;
  display:flex; flex-direction:column; position:relative; }
.ind-card:hover{ text-decoration:none; }
.tone-warm{ background:var(--warm); color:var(--ink-900); }
.tone-warm:hover{ background:#EDE0C9; }
.tone-ink{ background:var(--ink-800); color:var(--on-dark); }
.tone-ink:hover{ background:var(--ink-700); }
.tone-crimson{ background:var(--crimson); color:var(--crimson-ink); }
.tone-crimson:hover{ background:var(--crimson-deep); }
.tone-amber{ background:var(--amber); color:var(--amber-ink); }
.tone-amber:hover{ background:#c98f00; }
.ind-card .no{ font-family:var(--f-mono); font-size:12px; font-weight:600; letter-spacing:.1em; }
.ind-card h3{ font-size:33px; font-weight:800; line-height:1.14; letter-spacing:-.02em; margin:18px 0 0; }
.ind-card .claim{ font-size:16px; line-height:1.5; margin:14px 0 0; max-width:34ch; }
.ind-specs{ margin-top:auto; padding-top:32px; display:grid; grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px 24px; border-top:1px solid currentColor; }
.ind-card .is{ min-width:0; }
.ind-card .is .k{ display:block; font-size:11px; font-weight:700; letter-spacing:.08em;
  text-transform:uppercase; }
.ind-card .is .v{ display:block; font-family:var(--f-mono); font-size:17px; margin-top:4px; white-space:nowrap; }
.ind-ft{ display:flex; align-items:center; justify-content:space-between; gap:16px;
  margin-top:26px; padding-top:18px; border-top:1px solid currentColor; }
.ind-ft .cnt{ font-family:var(--f-mono); font-size:13px; }
.ind-ft .go{ font-size:13px; font-weight:700; letter-spacing:.06em; text-transform:uppercase; }
.ind-ft .go::after{ content:" \2192"; }
.tone-warm .ind-ft .go,.tone-amber .ind-ft .go{ color:var(--ink-900); }
.tone-ink .ind-ft .go,.tone-crimson .ind-ft .go{ color:var(--amber-bright); }
.tone-warm .txtbtn.on-light,.tone-amber .txtbtn.on-light{ color:var(--ink-900); }
.nums{ background:var(--warm); }
.nums-head{ margin-bottom:0; padding-bottom:34px; border-bottom:1px solid var(--warm-line); }
.nums-head .eyebrow{ color:var(--ink-500); }
.nums-head .eyebrow::after{ background:var(--warm-line); }
.nums-head h2{ font-size:40px; font-weight:800; letter-spacing:-.022em; margin:20px 0 0; }
.nums-grid{ display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:0; }
.nums-grid > div{ padding:44px 32px 44px 0; border-right:1px solid var(--warm-line); padding-right:32px; }
.nums-grid > div:last-child{ border-right:0; }
.nums-grid .n{ font-family:var(--f-mono); font-size:62px; font-weight:500; line-height:1;
  letter-spacing:-.025em; color:var(--crimson); display:block; }
.nums-grid .n .u{ font-size:15px; color:var(--ink-500); }
.nums-grid .l{ display:block; margin-top:14px; font-size:13px; font-weight:600;
  letter-spacing:.07em; text-transform:uppercase; color:var(--ink-600); }
.nums-grid .s{ display:block; margin-top:7px; font-size:14px; color:var(--ink-500); }
.bands{ background:var(--paper); }
.bands-head{ display:flex; align-items:flex-end; justify-content:space-between; gap:40px;
  flex-wrap:wrap; margin-bottom:48px; }
.bands-head .eyebrow{ color:var(--ink-500); }
.bands-head .eyebrow::after{ background:var(--line-200); }
.bands-head h2{ font-size:40px; font-weight:800; letter-spacing:-.022em; margin:20px 0 0; }
.bands-note{ font-size:15px; color:var(--ink-500); max-width:42ch; margin:0; }
.band-grid{ display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:1px; background:var(--line-200); border:1px solid var(--line-200); }
.band{ background:var(--surface); padding:34px 28px 30px; display:flex; flex-direction:column; }
.band .bh{ display:flex; align-items:baseline; justify-content:space-between; gap:12px;
  padding-bottom:18px; border-bottom:2px solid var(--ink-900); }
.band .bn{ font-size:25px; font-weight:800; letter-spacing:-.015em; }
.band .bc{ font-family:var(--f-mono); font-size:13px; color:var(--ink-500); }
.band .bv{ font-family:var(--f-mono); font-size:26px; font-weight:500; margin:22px 0 0;
  letter-spacing:-.015em; white-space:nowrap; }
.band .bv .u{ font-size:13px; }
.band .bv .to{ font-size:20px; }
.band p{ font-size:14px; color:var(--ink-500); margin:16px 0 0; line-height:1.5; }
.band .bar{ margin-top:22px; height:6px; background:var(--surface-alt); }
.band .bar i{ display:block; height:100%; background:var(--ink-900); }
.refs{ background:var(--ink-900); color:var(--on-dark); }
.refs-head{ display:flex; align-items:flex-end; justify-content:space-between; gap:40px;
  flex-wrap:wrap; margin-bottom:52px; }
.refs-head .eyebrow{ color:var(--on-dark-dim); }
.refs-head .eyebrow::after{ background:var(--dark-line); }
.refs-head h2{ font-size:40px; font-weight:800; letter-spacing:-.022em; margin:20px 0 0; color:var(--on-dark); }
.refs-head p{ font-size:15px; color:var(--on-dark-dim); max-width:46ch; margin:0; }
.ref-grid{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:24px; }
.vcard{ display:flex; flex-direction:column; background:var(--ink-800); border:1px solid var(--dark-line); }
.vcard:hover{ border-color:var(--amber); }
.vcard-hd{ display:flex; align-items:flex-start; justify-content:space-between; gap:16px;
  padding:22px 24px 16px; }
.vcard .code{ font-family:var(--f-mono); font-size:13px; font-weight:600; letter-spacing:.06em; color:var(--amber); }
.vcard h3{ font-size:23px; font-weight:700; letter-spacing:-.012em; margin:7px 0 0; color:var(--on-dark); line-height:1.24; }
.vcard .cat{ font-size:12px; font-weight:600; letter-spacing:.07em; text-transform:uppercase;
  color:var(--on-dark-dim); margin:6px 0 0; }
.tag{ font-size:10px; font-weight:700; letter-spacing:.09em; text-transform:uppercase;
  color:var(--on-dark-dim); border:1px solid var(--dark-line); padding:4px 7px; white-space:nowrap; }
.ph{ position:relative; aspect-ratio:16/9; background:var(--ink-900); border-top:1px solid var(--dark-line);
  border-bottom:1px solid var(--dark-line); display:flex; flex-direction:column;
  align-items:center; justify-content:center; gap:9px; text-align:center; padding:20px; }
.ph .c{ font-family:var(--f-mono); font-size:30px; font-weight:600; letter-spacing:.04em; color:var(--on-dark-dim); }
.ph .n{ font-size:11px; font-weight:700; letter-spacing:.1em; text-transform:uppercase; color:var(--on-dark-dim); }
.ph .s{ font-family:var(--f-mono); font-size:11px; color:var(--on-dark-dim); }
.vcard-bd{ padding:0 24px 22px; display:flex; flex-direction:column; flex:1; }
.vcard-dim{ display:flex; align-items:flex-end; justify-content:space-between; gap:18px;
  padding:18px 0 16px; border-bottom:1px solid var(--dark-line); }
.vcard-dim .d{ font-family:var(--f-mono); font-size:21px; font-weight:500; color:var(--on-dark); white-space:nowrap; }
.vcard-dim .d .u{ color:var(--on-dark-dim); }
.vcard-dim .a{ font-family:var(--f-mono); font-size:21px; color:var(--amber); white-space:nowrap; }
.vcard-dim .a .u{ color:var(--on-dark-dim); }
.vcard-spec{ display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:14px 16px; margin:0; padding:16px 0; }
.vcard-spec dt{ font-size:10px; font-weight:700; letter-spacing:.08em; text-transform:uppercase; color:var(--on-dark-dim); }
.vcard-spec dd{ margin:3px 0 0; font-family:var(--f-mono); font-size:13px; color:var(--on-dark); white-space:nowrap; }
.vcard-spec dd.nul{ color:var(--on-dark-dim); }
.vcard-cfg{ list-style:none; margin:0; padding:16px 0 0; border-top:1px solid var(--dark-line); }
.vcard-cfg li{ font-size:14px; color:var(--on-dark-dim); line-height:1.5; }
.vcard-cfg li::before{ content:""; display:inline-block; width:1px; height:12px;
  background:var(--dark-line); margin:0 9px 0 0; vertical-align:-1px; }
.vcard-ft{ display:flex; align-items:center; justify-content:space-between; gap:16px;
  margin-top:auto; padding-top:22px; }
.vcard-ft .cf{ font-family:var(--f-mono); font-size:12px; color:var(--on-dark-dim); }
.proc{ background:var(--warm); }
.proc-head{ margin-bottom:0; padding-bottom:34px; border-bottom:1px solid var(--warm-line); }
.proc-head .eyebrow{ color:var(--ink-500); }
.proc-head .eyebrow::after{ background:var(--warm-line); }
.proc-head h2{ font-size:40px; font-weight:800; letter-spacing:-.022em; margin:20px 0 0; }
.steps{ display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); }
.step{ padding:34px 26px 30px 0; border-right:1px solid var(--warm-line); }
.step:last-child{ border-right:0; }
.step + .step{ padding-left:26px; }
.step .n{ font-family:var(--f-mono); font-size:13px; font-weight:600; color:var(--crimson); letter-spacing:.08em; }
.step h3{ font-size:21px; font-weight:700; letter-spacing:-.01em; margin:14px 0 10px; }
.step p{ font-size:14px; color:var(--ink-600); margin:0; line-height:1.55; }
.step .dl{ display:block; margin-top:18px; padding-top:14px; border-top:1px solid var(--warm-line); }
.step .dl b{ display:block; font-size:10px; font-weight:700; letter-spacing:.09em;
  text-transform:uppercase; color:var(--ink-500); margin-bottom:4px; }
.step .dl span{ font-size:13px; color:var(--ink-700); }
.step .tm{ display:block; margin-top:12px; font-family:var(--f-mono); font-size:12px; color:var(--ink-500); }
.rfq{ background:var(--paper); }
.rfq-grid{ display:grid; grid-template-columns:7fr 5fr; gap:64px; align-items:start; }
.rfq-head .eyebrow{ color:var(--ink-500); }
.rfq-head .eyebrow::after{ background:var(--line-200); }
.rfq-head h2{ font-size:40px; font-weight:800; letter-spacing:-.022em; margin:20px 0 0; }
.rfq-head p{ font-size:16px; color:var(--ink-500); margin:18px 0 0; max-width:48ch; }
.panel{ background:var(--surface); border:1px solid var(--line-200); padding:40px; margin-top:40px; }
.field{ margin-bottom:26px; }
.field label{ display:block; font-size:12px; font-weight:700; letter-spacing:.08em;
  text-transform:uppercase; color:var(--ink-600); margin-bottom:9px; }
.field .req{ color:var(--crimson); }
.field .hint{ font-size:13px; color:var(--ink-450); margin:7px 0 0; }
.inp{ width:100%; height:54px; border:1px solid var(--line-200); background:var(--surface);
  padding:0 15px; font-family:var(--f-sans); font-size:16px; color:var(--ink-900); }
select.inp{ appearance:none; -webkit-appearance:none; padding-right:42px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%235A656E' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:right 15px center; }
textarea.inp{ height:auto; min-height:142px; padding:15px; line-height:1.55; resize:vertical; }
.inp.mono{ font-family:var(--f-mono); }
.inp:focus{ border-color:var(--ink-900); outline:2px solid var(--amber); outline-offset:2px; }
.inp[aria-invalid="true"]{ border-color:var(--crimson); }
.err{ display:none; font-size:13px; color:var(--crimson); margin-top:8px; }
.err.on{ display:block; }
.row2{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:24px; }
.chips{ display:flex; flex-wrap:wrap; gap:8px; }
.chip{ position:relative; }
.chip input{ position:absolute; opacity:0; width:100%; height:100%; margin:0; cursor:pointer; }
.chip span{ display:flex; align-items:center; height:46px; padding:0 17px; font-size:14px; font-weight:500;
  color:var(--ink-700); background:var(--surface); border:1px solid var(--line-200); }
.chip input:checked + span{ border-color:var(--ink-900); background:var(--surface-alt); color:var(--ink-900); font-weight:600; }
.chip input:focus-visible + span{ outline:2px solid var(--amber); outline-offset:2px; }
.form-foot{ margin-top:34px; padding-top:26px; border-top:1px solid var(--line-200); }
.form-foot .btn{ width:100%; }
.form-foot p{ font-size:13px; color:var(--ink-500); margin:18px 0 0; }
.ok-box{ border:1px solid var(--ink-900); padding:40px; }
.ok-box h3{ font-size:24px; font-weight:700; margin:0 0 14px; }
.ok-box p{ font-size:15px; color:var(--ink-500); margin:0 0 8px; }
.ctx{ display:flex; flex-direction:column; gap:24px; }
.ctx-b{ background:var(--warm); border:1px solid var(--warm-line); }
.ctx-h{ display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:16px 22px; border-bottom:1px solid var(--warm-line); }
.ctx-h .label{ color:var(--ink-600); }
.ctx-h .mono{ font-size:12px; color:var(--ink-500); }
.ctx-bd{ padding:22px; }
.tbl{ width:100%; border-collapse:collapse; }
.tbl th,.tbl td{ text-align:left; padding:11px 0; border-bottom:1px solid var(--warm-line);
  vertical-align:top; font-weight:400; }
.tbl th{ width:56%; font-size:11px; font-weight:700; letter-spacing:.07em;
  text-transform:uppercase; color:var(--ink-600); padding-right:16px; }
.tbl td{ font-size:14px; color:var(--ink-700); }
.tbl tr:last-child th,.tbl tr:last-child td{ border-bottom:0; }
.tbl td .u{ color:var(--ink-500); }
.tbl td.n{ font-family:var(--f-mono); font-size:13px; }
.tbl td.pd{ color:var(--ink-500); font-size:13px; }
.about{ background:var(--ink-900); color:var(--on-dark); }
.about-grid{ display:grid; grid-template-columns:5fr 7fr; gap:64px; }
.about h2{ font-size:36px; font-weight:800; letter-spacing:-.02em; margin:20px 0 0; color:var(--on-dark); }
.about .eyebrow{ color:var(--on-dark-dim); }
.about .eyebrow::after{ background:var(--dark-line); }
.about p{ font-size:16px; color:var(--on-dark-dim); margin:20px 0 0; max-width:44ch; line-height:1.6; }
.aud{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:1px; background:var(--dark-line);
  border:1px solid var(--dark-line); }
.aud div{ background:var(--ink-900); padding:26px 24px; }
.aud .k{ display:block; font-size:11px; font-weight:700; letter-spacing:.08em;
  text-transform:uppercase; color:var(--on-dark-dim); margin-bottom:10px; }
.aud .v{ font-size:16px; font-weight:600; color:var(--on-dark); }
.aud .v.pd{ color:var(--on-dark-dim); font-weight:400; font-size:15px; }
.foot{ background:var(--ink-800); color:var(--on-dark-dim); border-top:1px solid var(--dark-line); }
.foot-top{ display:grid; grid-template-columns:5fr 7fr; gap:64px; padding:64px 0 48px;
  border-bottom:1px solid var(--dark-line); }
.foot-id p{ font-size:14px; max-width:46ch; margin:18px 0 0; }
.foot-cols{ display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:32px; }
.foot-cols h3{ font-size:12px; font-weight:700; letter-spacing:.08em; text-transform:uppercase;
  color:var(--on-dark); margin:0 0 16px; }
.foot-cols ul{ list-style:none; margin:0; padding:0; }
.foot-cols li{ margin-bottom:10px; }
.foot-cols a{ font-size:14px; color:var(--on-dark-dim); text-decoration:none; }
.foot-cols a:hover{ color:var(--on-dark); text-decoration:underline; text-underline-offset:3px; }
.foot-cols .pd{ font-size:14px; color:var(--on-dark-dim); }
.foot-bot{ display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between;
  gap:16px; padding:24px 0 32px; }
.foot-bot p{ margin:0; font-size:13px; color:var(--on-dark-dim); }
.skip{ position:absolute; left:-9999px; top:0; z-index:100; background:var(--amber);
  color:var(--amber-ink); padding:13px 21px; font-size:14px; font-weight:700; }
.skip:focus{ left:0; }
@media (max-width:1599px){ :root{ --gutter:40px; --container:1240px; } }
@media (max-width:1279px){ :root{ --gutter:32px; } .sect{ padding:84px 0; } }
@media (max-width:1023px){
  :root{ --gutter:24px; }
  .sect{ padding:68px 0; }
  .hero-in{ min-height:0; grid-template-columns:1fr; gap:44px; padding-top:64px; padding-bottom:64px; }
  .hero-band{ grid-template-columns:1fr; }
  .slotgrid.s4,.slotgrid.s3{ grid-template-columns:repeat(2,minmax(0,1fr)); }
  .hero h1{ font-size:54px; }
  .nums-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); }
  .nums-grid > div{ border-right:1px solid var(--warm-line); }
  .nums-grid > div:nth-child(2n){ border-right:0; }
  .band-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); }
  .trinity-in{ grid-template-columns:1fr; }
  .trinity-in div{ border-right:0; border-bottom:1px solid var(--dark-line); }
  .trinity-in div:last-child{ border-bottom:0; }
  .rfq-grid,.about-grid,.foot-top{ grid-template-columns:1fr; gap:44px; }
  .foot-cols{ grid-template-columns:repeat(2,minmax(0,1fr)); }
  .nav,.head-cta{ display:none; }
  .burger{ display:block; }
  .mpanel{ display:none; position:fixed; inset:68px 0 0 0; background:var(--ink-900); z-index:75; overflow-y:auto; }
  .mpanel.open{ display:block; }
  .mpanel ul{ list-style:none; margin:0; padding:0; }
  .mpanel li{ border-bottom:1px solid var(--dark-line); }
  .mpanel a{ display:flex; align-items:center; height:58px; padding:0 var(--gutter);
    font-size:22px; font-weight:700; color:var(--on-dark); text-decoration:none; }
  .mpanel .mp-cta{ padding:24px var(--gutter) 48px; }
  .mpanel .mp-cta .btn{ width:100%; }
  
  .mpanel a.btn-amber{ color:var(--amber-ink); }
  .mpanel a.btn-light{ color:var(--on-dark); }
}
@media (max-width:767px){
  :root{ --gutter:16px; }
  .sect{ padding:56px 0; }
  .hero h1{ font-size:40px; }
  .hero .lead{ font-size:17px; }
  .hero-figs{ grid-template-columns:1fr; }
  .hero-board{ padding:30px 24px; }
  .hero-board .big{ font-size:48px; }
  
  .hero-board .row{ display:block; }
  .hero-board .row .v{ display:block; margin-top:5px; white-space:normal; }
  .ind{ grid-template-columns:1fr; }
  .ind-card{ padding:38px 26px 32px; min-height:0; }
  .ind-card .imgslot{ margin:-38px -26px 22px; }
  .ind-card h3{ font-size:27px; }
  .ind-specs{ grid-template-columns:1fr; gap:14px; }
  .nums-grid,.band-grid{ grid-template-columns:1fr; }
  .nums-grid > div{ border-right:0; border-bottom:1px solid var(--warm-line); }
  .nums-grid > div:last-child{ border-bottom:0; }
  .refs-head h2,.bands-head h2,.nums-head h2,.proc-head h2,.rfq-head h2{ font-size:30px; }
  .ref-grid{ grid-template-columns:1fr; }
  .slotgrid.s2,.slotgrid.s3,.slotgrid.s4{ grid-template-columns:1fr; }
  .vcard-spec{ grid-template-columns:1fr 1fr; }
  .steps{ grid-template-columns:1fr; }
  .step,.step + .step{ padding:26px 0; border-right:0; border-bottom:1px solid var(--warm-line); }
  .step:last-child{ border-bottom:0; }
  .row2{ grid-template-columns:1fr; gap:24px; }
  .foot-cols{ grid-template-columns:1fr; }
  .panel{ padding:26px; }
  .aud{ grid-template-columns:1fr; }
}
.page-hero{ padding:38px 0 34px; }
.page-hero h1{ font-size:44px; line-height:1.12; font-weight:700; letter-spacing:-.015em; margin:10px 0 14px; }
.page-hero .lead{ font-size:18px; line-height:1.5; color:var(--on-dark-dim); max-width:70ch; margin:0; }
.page-hero .lead + .lead{ margin-top:12px; }
.page-hero .on-dark,.sect-dark-lead{ color:var(--on-dark-dim); }
.page-hero-grid{ display:grid; grid-template-columns:7fr 5fr; gap:48px; align-items:start; }
.page-hero-grid > .page-hero-copy{ min-width:0; }
@media (max-width:1023px){ .page-hero-grid{ grid-template-columns:1fr; gap:32px; } }
.page-hero h1 .amber{ color:var(--amber); }
.blockno{ font-family:var(--f-mono); font-size:13px; font-weight:600; color:var(--ink-500); letter-spacing:.08em; }
.page-hero .blockno{ color:var(--on-dark-dim); }
.unit{ font-family:var(--f-mono); font-size:12px; color:var(--ink-500); margin-left:4px; }
.sec-head h2{ font-size:36px; font-weight:800; letter-spacing:-.02em; margin:0 0 12px; }
.sec-note{ font-size:15px; line-height:1.55; color:var(--ink-600); margin:0 0 16px; max-width:70ch; }
.g-dark .sec-head h2{ color:var(--on-dark); }
.slotband{ padding:48px 0; }
@media (max-width:479px){
  .sec-head .btn,.ok-box .btn{ white-space:normal; height:auto; min-height:56px;
    padding:14px 20px; text-align:center; }
}
.sect{ padding:72px 0; }
.g-warm{ background:var(--warm); border-top:1px solid var(--warm-line); }
.g-warm-2{ background:var(--warm-2); border-top:1px solid var(--warm-line); }
.g-dark{ background:var(--ink-900); color:var(--on-dark); border-top:1px solid var(--dark-line); }
.g-dark h2,.g-dark h3{ color:var(--on-dark); }
.g-dark .sec-note,.g-dark .dim{ color:var(--on-dark-dim); }
.g-dark .rule{ background:var(--dark-line); }
.g-dark .txtbtn{ color:var(--warm); }
.g-paper{ background:var(--surface); border-top:1px solid var(--line-200); }
.grid-2{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:24px; }
.grid-3{ display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:24px; }
@media (max-width:1023px){ .grid-2,.grid-3{ grid-template-columns:1fr; } }
.card{ background:var(--surface); border:1px solid var(--line-200); padding:24px; color:var(--ink-900); }
.card h3{ font-size:19px; font-weight:600; margin:0 0 8px; }
.card .dim{ font-size:13px; color:var(--ink-500); margin:0 0 14px; }
.card .pd{ font-size:12px; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-500); }
.g-dark .card .dim{ color:var(--ink-500); }
.soon{ font-family:var(--mono-font,inherit); font-size:12px; color:var(--ink-500); margin-top:12px; }
.tbl th,.tbl td{ text-align:left; padding:10px 12px 10px 0; border-bottom:1px solid var(--line-100); font-size:14px; vertical-align:top; }
.tbl th{ font-size:11px; font-weight:600; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-500); }
.tbl td .nm{ display:block; }
.tbl td .dim{ display:block; margin-top:4px; }
.tbl td.mono,.mono{ font-family:'Roboto Mono',monospace; }
.g-dark .tbl th{ color:var(--on-dark-dim); }
.step{ border-left:2px solid var(--warm-line); padding:0 0 28px 24px; }
.g-dark .step{ border-left-color:var(--dark-line); }
.step .no{ font-family:'Roboto Mono',monospace; font-size:12px; letter-spacing:.08em; color:var(--ink-500); }
.g-dark .step .no{ color:var(--on-dark-dim); }
.step h3{ font-size:19px; font-weight:600; margin:6px 0 8px; }
.step p{ font-size:15px; line-height:1.55; margin:0 0 8px; color:var(--ink-700); }
.g-dark .step p{ color:var(--on-dark); }
.step .rec{ font-size:14px; color:var(--ink-600); margin:0; }
.g-dark .step .rec{ color:var(--on-dark-dim); }
.cta-block{ margin-top:48px; }
.tbl td.mono{ white-space:nowrap; }
.tbl th{ white-space:nowrap; }
.codelink{ color:var(--ink-900); text-decoration:underline; text-underline-offset:3px;
  text-decoration-thickness:1px; }
.codelink:hover{ color:var(--crimson); text-decoration-color:var(--crimson); }
.imgslot.mb{ margin:0 0 24px; }
.rfq-aside{ display:grid; gap:16px; align-self:start; }
.rfq-aside .sec-note{ margin:8px 0 0; }
:root{
  --spec:#8C2F1D;
  --fs-spec:16px; --fs-spec-lg:20px; --fs-spec-sm:13px; --fs-body-sm:14px;
}
.rail{ background:var(--surface); border:1px solid var(--line-200); }
.rail-hd{ display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap;
  padding:16px 20px; border-bottom:1px solid var(--line-200); background:var(--surface-alt); }
.rail-hd .label{ color:var(--ink-600); }
.rail-hd .mono{ font-size:var(--fs-spec-sm); color:var(--ink-500); }
.rail-grid{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); }
.rail-cell{ padding:20px; border-right:1px solid var(--line-100); border-bottom:1px solid var(--line-100); min-width:0; }
.rail-cell:nth-child(2n){ border-right:0; }
.rail-cell:nth-last-child(-n+2){ border-bottom:0; }
.rail-cell .k{ display:flex; align-items:baseline; justify-content:space-between; gap:8px; margin-bottom:10px; }
.rail-cell .k .label-sm{ color:var(--ink-500); }
.rail-cell .k .cov{ font-family:var(--f-mono); font-size:10px; color:var(--ink-500); white-space:nowrap; }
.rail-val{ font-family:var(--f-mono); font-size:var(--fs-spec-lg); font-weight:500; line-height:1.25;
  color:var(--spec); white-space:nowrap; }
.rail-val.wrap{ white-space:normal; line-height:1.45; text-align:left; }
.rail-val.sm{ font-size:var(--fs-spec); }
.rail-val .to{ color:var(--ink-500); }
.rail-sub{ font-size:var(--fs-body-sm); color:var(--ink-500); margin:8px 0 0; line-height:1.45; }
.rail-foot{ padding:14px 20px; border-top:1px solid var(--line-200); background:var(--surface-alt);
  font-size:var(--fs-body-sm); color:var(--ink-500); margin:0; }
.rail-foot .mono{ color:var(--ink-700); font-size:var(--fs-spec-sm); }
.page-hero .rail-hd{ padding:9px 14px; }
.page-hero .rail-cell{ padding:14px; }
.page-hero .rail-cell .k{ margin-bottom:4px; }
.page-hero .rail-sub{ margin-top:4px; font-size:12px; line-height:1.4; }
.page-hero .rail-foot{ padding:9px 14px; font-size:12px; line-height:1.45; }
@media (max-width:767px){

  .rail-grid{ grid-template-columns:1fr; }
  .rail-cell{ border-right:0; }
  .rail-cell:nth-child(2n){ border-right:0; }
  .rail-cell:nth-last-child(-n+2){ border-bottom:1px solid var(--line-100); }
  .rail-cell:last-child{ border-bottom:0; }
  .rail-val{ font-size:var(--fs-spec); white-space:normal; overflow-wrap:anywhere; }
}
.crumb{ background:var(--paper); border-bottom:1px solid var(--line-100); }
.crumb .wrap{ padding:14px 0; }
.crumb ol{ margin:0; padding:0; list-style:none; display:flex; flex-wrap:wrap; align-items:center; gap:6px; font-size:13px; line-height:1.4; color:var(--ink-500); }
.crumb li{ display:flex; align-items:center; gap:6px; }
.crumb li + li::before{ content:"/"; color:var(--ink-300); }
.crumb a{ color:var(--ink-600); text-decoration:none; }
.crumb a:hover{ color:var(--ink-900); text-decoration:underline; }
.crumb [aria-current="page"]{ color:var(--ink-900); font-weight:600; }
.rb-list{ margin:14px 0 0; padding:0; list-style:none; }
.rb-list li{ font-size:14px; line-height:1.5; color:var(--ink-700); padding:7px 0;
  border-bottom:1px solid var(--line-100); }
.rb-list li:last-child{ border-bottom:0; }
.rb-groups{ margin:0; padding:0; list-style:none; display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr)); gap:12px 24px; }
.rb-groups li{ font-size:15px; }
.rb-groups .dim{ color:var(--ink-500); font-size:14px; }
.g-dark .rb-list li{ color:var(--on-dark); border-bottom-color:var(--dark-line); }
@media (max-width:1023px){ .rb-groups{ grid-template-columns:1fr; } }
.ok-box h2{ font-size:24px; font-weight:700; margin:0 0 14px; }

/* ==== 主题运行时补充 ==== */
.mbu-notice{ padding:14px 18px; margin:0 0 24px; border-left:4px solid var(--amber); background:var(--warm); font-size:14px; }
.mbu-filters{ display:flex; flex-wrap:wrap; gap:12px; align-items:center; margin:0 0 24px; }
.mbu-filters label{ font-size:12px; font-weight:700; letter-spacing:.06em; text-transform:uppercase; color:var(--ink-500); }
.mbu-filters select,.mbu-filters input{ height:44px; padding:0 12px; border:1px solid var(--line-200); background:var(--surface); font-family:var(--f-sans); }
.mbu-empty{ padding:40px 0; color:var(--ink-500); }
.lead-list{ margin:0; padding-left:20px; }
.lead-list li{ margin:0 0 6px; }