@font-face {
  font-family: "Montserrat Local";
  src: url("../assets/fonts/Montserrat-Medium.otf") format("opentype");
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "Montserrat Local";
  src: url("../assets/fonts/Montserrat-SemiBold.otf") format("opentype");
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "Source Han Sans Local";
  src: url("../assets/fonts/SourceHanSansSC-Medium.otf") format("opentype");
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "Source Han Sans Local";
  src: url("../assets/fonts/SourceHanSansSC-Bold.otf") format("opentype");
  font-weight: 700 900;
  font-display: swap;
}

:root {
  color-scheme: light;
  --paper: #e0e0e0;
  --paper-light: #f6f2e9;
  --ink: #202020;
  --muted: #6f6f6f;
  --line: rgba(32, 32, 32, .18);
  --accent: #d04830;
  --orange: #e09850;
  --orange-soft: #f3d6b7;
  --dark: #202020;
  --radius: 28px;
  --shadow: 0 24px 70px rgba(32, 32, 32, .16);
  --header-height: 74px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Source Han Sans Local", "Microsoft YaHei", sans-serif;
  font-weight: 500;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
button, input, select { font: inherit; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }
p, li { line-height: calc(1.65em + 3px); }
main { padding-top: var(--header-height); }

.skip-link {
  position: fixed;
  left: 12px;
  top: -80px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--ink);
  color: #fff;
}
.skip-link:focus { top: 12px; }

.quote-site-header {
  position: fixed;
  inset: 0 0 auto;
  top: 0;
  z-index: 60;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: var(--header-height);
  padding: 0 clamp(22px, 4vw, 68px);
  border-bottom: 1px solid var(--line);
  background: rgba(224, 224, 224, .9);
  backdrop-filter: blur(18px);
}
.quote-site-brand {
  position: relative;
  z-index: 1;
  width: fit-content;
  color: var(--orange);
  font-size: clamp(22px, 2vw, 32px);
  font-weight: 700;
  text-decoration-line: underline;
  text-underline-offset: 5px;
}
.quote-site-brand::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: -10px;
  top: 50%;
  width: clamp(180px, 18vw, 300px);
  height: 38px;
  border-radius: 0 999px 999px 0;
  background: rgba(255, 255, 255, .86);
  transform: translateY(-50%) skewX(-6deg);
}
.quote-pill-nav-root {
  position: relative;
  z-index: 2;
  justify-self: center;
  min-width: 432px;
  min-height: 52px;
}
.quote-pill-nav-root > .quote-header-pill-nav { display: flex; justify-content: center; }
.quote-header-note {
  justify-self: end;
  color: var(--muted);
  font: 700 11px/1.2 "Montserrat Local", Arial, sans-serif;
  letter-spacing: .12em;
}
.quote-nav-fallback {
  display: flex;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
}
.quote-nav-fallback a {
  display: grid;
  place-items: center;
  min-width: 92px;
  padding: 0 19px;
  border-radius: 999px;
  background: var(--orange);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  text-decoration: none;
}
.quote-nav-fallback a[aria-current="page"] { background: var(--ink); color: #fff; }

.quote-nav-fallback a:hover,
.quote-nav-fallback a:focus-visible { transform: translateY(-3px); }

@supports not (backdrop-filter: blur(18px)) {
  .quote-site-header { background: rgba(224, 224, 224, .98); }
}

.quote-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(250px, .55fr);
  gap: clamp(44px, 8vw, 130px);
  min-height: 650px;
  padding: clamp(96px, 12vw, 180px) clamp(22px, 6vw, 100px) clamp(76px, 9vw, 130px);
  overflow: hidden;
}
.quote-hero::before,
.quote-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: 43vw;
  aspect-ratio: 1;
  border: clamp(34px, 5vw, 76px) solid rgba(255,255,255,.78);
  border-radius: 50%;
}
.quote-hero::before { left: -10vw; bottom: -22vw; }
.quote-hero::after { right: -8vw; top: -18vw; }
.quote-hero__copy { align-self: center; max-width: 980px; }
.eyebrow {
  margin: 0 0 22px;
  color: var(--accent);
  font: 700 12px/1.2 "Montserrat Local", Arial, sans-serif;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.quote-hero h1 {
  margin: 0;
  font-size: clamp(58px, 8.8vw, 142px);
  line-height: .92;
  letter-spacing: -.06em;
  font-weight: 700;
}
.quote-hero__line { display: block; white-space: nowrap; }
.quote-hero__line--ink { color: var(--ink); }
.quote-hero__line--accent { color: var(--orange); }
.quote-hero__lede {
  max-width: 720px;
  margin: 42px 0 0;
  color: #545454;
  font-size: clamp(17px, 1.6vw, 24px);
  line-height: 1.75;
}
.quote-hero__facts { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }
.quote-hero__facts span {
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.34);
  color: var(--muted);
  font-size: 12px;
}
.quote-hero__mark {
  position: relative;
  align-self: center;
  justify-self: center;
  width: min(26vw, 330px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--dark);
  box-shadow: 20px 24px 0 var(--orange);
  color: #fff;
  transform: rotate(7deg);
}
.quote-hero__mark > span {
  position: absolute;
  left: 15%;
  top: 12%;
  color: var(--orange);
  font: 700 clamp(28px, 4vw, 54px)/1 "Montserrat Local", Arial, sans-serif;
}
.quote-hero__mark > strong {
  position: absolute;
  inset: 12% 0 auto;
  font: 700 clamp(130px, 18vw, 250px)/1 "Montserrat Local", Arial, sans-serif;
  text-align: center;
}
.quote-hero__mark > small {
  position: absolute;
  right: 14%;
  bottom: 16%;
  font: 700 11px/1.15 "Montserrat Local", Arial, sans-serif;
  letter-spacing: .08em;
  text-align: right;
}

.material-gallery {
  padding: 0 clamp(22px, 4vw, 68px) clamp(90px, 10vw, 150px);
}
.material-gallery__head {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, .85fr);
  column-gap: clamp(36px, 7vw, 110px);
  align-items: end;
  margin-bottom: clamp(32px, 5vw, 58px);
}
.material-gallery__head .eyebrow { grid-column: 1 / -1; margin-bottom: 18px; }
.material-gallery__head h2 {
  max-width: 790px;
  margin: 0;
  font-size: clamp(38px, 5.2vw, 76px);
  line-height: .98;
  letter-spacing: -.06em;
}
.material-gallery__head > p:last-child {
  max-width: 530px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(15px, 1.35vw, 19px);
  line-height: 1.75;
}
.material-gallery__stage { min-height: 460px; }

.material-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(210px, 1fr));
  gap: 14px;
  overflow-x: auto;
  scrollbar-width: none;
}
.material-strip::-webkit-scrollbar { display: none; }
.material-strip article {
  position: relative;
  min-height: 320px;
  overflow: hidden;
  border-radius: 18px;
  background: var(--dark);
  color: #fff;
  transform: translateY(var(--lift, 0));
  transition: transform .35s ease, border-radius .35s ease;
}
.material-strip article:nth-child(even) { --lift: 28px; }
.material-strip article:hover { transform: translateY(calc(var(--lift, 0px) - 12px)); border-radius: 34px; }
.material-strip img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.78) contrast(1.04); transition: transform .55s ease, filter .35s ease; }
.material-strip article:hover img { transform: scale(1.055); filter: saturate(1) contrast(1); }
.material-strip article::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 42%, rgba(0,0,0,.78)); }
.material-strip span, .material-strip strong { position: absolute; z-index: 1; bottom: 22px; }
.material-strip span { left: 20px; color: var(--orange); font: 700 11px/1 "Montserrat Local", Arial, sans-serif; letter-spacing: .12em; }
.material-strip strong { left: 56px; right: 16px; font-size: 16px; }

.quote-section {
  margin: 0 12px 12px;
  padding: clamp(60px, 8vw, 118px) clamp(18px, 5vw, 82px) clamp(54px, 7vw, 100px);
  border-radius: clamp(28px, 5vw, 72px);
  background: var(--dark);
  color: #f5f2eb;
}
.quote-section__head {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, .8fr);
  gap: 40px;
  align-items: end;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.17);
}
.quote-section__head h2 { max-width: 820px; margin: 0; font-size: clamp(42px, 6.6vw, 102px); line-height: .98; letter-spacing: -.06em; }
.quote-section__head > p { max-width: 500px; margin: 0; color: rgba(255,255,255,.58); line-height: 1.75; }

.step-nav { display: grid; grid-template-columns: repeat(4, 1fr); margin: 32px 0 58px; border-bottom: 1px solid rgba(255,255,255,.13); }
.step-nav button {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 0 10px 18px;
  border: 0;
  border-bottom: 3px solid transparent;
  background: transparent;
  color: rgba(255,255,255,.36);
  font-size: 13px;
  text-align: left;
}
.step-nav button { letter-spacing: .04em; }
.step-nav button span { color: var(--orange); font: 700 10px/1 "Montserrat Local", Arial, sans-serif; letter-spacing: .12em; }
.step-nav button[aria-current="step"] { border-bottom-color: var(--orange); color: #fff; }
.step-nav button:disabled { cursor: default; }

.quote-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, 330px); gap: clamp(36px, 6vw, 90px); align-items: start; }
.quote-stage { min-width: 0; }
.quote-step[hidden] { display: none; }
.quote-step.is-active { animation: step-in .42s cubic-bezier(.2,.75,.2,1) both; }
@keyframes step-in { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.step-heading { margin-bottom: 36px; }
.step-heading > span { color: var(--orange); font: 700 11px/1 "Montserrat Local", Arial, sans-serif; letter-spacing: .12em; }
.step-heading h3 { margin: 12px 0 10px; font-size: clamp(32px, 4vw, 58px); letter-spacing: -.055em; }
.step-heading p { margin: 0; color: rgba(255,255,255,.52); line-height: 1.65; }

.mode-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.mode-card {
  position: relative;
  display: grid;
  min-height: 310px;
  padding: clamp(24px, 3vw, 42px);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 30px;
  background: linear-gradient(135deg, rgba(255,255,255,.055), rgba(255,255,255,.01));
  color: #fff;
  text-align: left;
  transition: transform .28s ease, border-color .28s ease, background .28s ease;
}
.mode-card::after { content: ""; position: absolute; right: -18%; bottom: -35%; width: 58%; aspect-ratio: 1; border: 1px solid rgba(224,152,80,.28); border-radius: 50%; }
.mode-card:hover { transform: translateY(-6px); border-color: rgba(224,152,80,.62); }
.mode-card[aria-pressed="true"] { border-color: var(--orange); background: linear-gradient(135deg, rgba(224,152,80,.24), rgba(255,255,255,.02)); box-shadow: inset 0 0 0 1px var(--orange); }
.mode-card > span { color: var(--orange); font: 700 11px/1 "Montserrat Local", Arial, sans-serif; letter-spacing: .12em; }
.mode-card strong { align-self: end; margin-top: 70px; font-size: clamp(31px, 4vw, 56px); letter-spacing: -.04em; }
.mode-card p { max-width: 420px; margin: 14px 0 28px; color: rgba(255,255,255,.58); line-height: 1.65; }
.mode-card i { color: #fff; font-style: normal; font-size: 13px; }

.item-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.quote-item {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 16px;
  align-items: center;
  min-height: 112px;
  padding: 20px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 20px;
  background: rgba(255,255,255,.025);
  color: #fff;
  text-align: left;
  transition: border-color .24s ease, background .24s ease, transform .24s ease;
}
.quote-item:hover { transform: translateY(-3px); border-color: rgba(224,152,80,.5); }
.quote-item[aria-pressed="true"] { border-color: var(--orange); background: rgba(224,152,80,.12); }
.quote-item__check { display: grid; place-items: center; width: 30px; height: 30px; border: 1px solid rgba(255,255,255,.35); border-radius: 50%; color: transparent; }
.quote-item[aria-pressed="true"] .quote-item__check { border-color: var(--orange); background: var(--orange); color: var(--dark); }
.quote-item strong { display: block; margin-bottom: 7px; font-size: 17px; letter-spacing: -.04em; }
.quote-item small { color: rgba(255,255,255,.48); font-size: 12px; }
.quote-item__price { color: var(--orange); font-weight: 800; white-space: nowrap; }
.quote-item__manual { color: rgba(255,255,255,.42); font-size: 11px; white-space: nowrap; }

.config-list { display: grid; gap: 14px; }
.config-card { padding: 24px; border: 1px solid rgba(255,255,255,.14); border-radius: 22px; background: rgba(255,255,255,.03); }
.config-card__head { display: flex; gap: 18px; justify-content: space-between; align-items: start; margin-bottom: 22px; }
.config-card__head span { color: var(--orange); font: 700 10px/1 "Montserrat Local", Arial, sans-serif; letter-spacing: .12em; }
.config-card__head strong { display: block; margin-top: 8px; font-size: 21px; }
.manual-pill { padding: 8px 10px; border: 1px solid rgba(255,255,255,.2); border-radius: 999px; color: rgba(255,255,255,.58); font-size: 11px; white-space: nowrap; }
.config-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.field { display: grid; gap: 8px; color: rgba(255,255,255,.6); font-size: 12px; }
.field select, .field input, .deadline-field input {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 12px;
  background: #252525;
  color: #fff;
  outline: none;
}
.field select:focus, .field input:focus, .deadline-field input:focus { border-color: var(--orange); box-shadow: 0 0 0 3px rgba(224,152,80,.15); }
.addon-toggle { display: flex; gap: 12px; align-items: center; grid-column: 1 / -1; min-height: 52px; padding: 10px 14px; border: 1px solid rgba(255,255,255,.13); border-radius: 12px; color: rgba(255,255,255,.72); }
.addon-toggle input { width: 18px; height: 18px; accent-color: var(--orange); }
.addon-toggle small { margin-left: auto; color: var(--orange); }

.final-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.deadline-field, .final-note { display: grid; gap: 12px; padding: 22px; border: 1px solid rgba(255,255,255,.14); border-radius: 20px; }
.deadline-field > span, .final-note > span { color: var(--orange); font-size: 12px; font-weight: 800; }
.final-note p { margin: 0; color: rgba(255,255,255,.56); line-height: 1.65; }
.review-list { display: grid; gap: 10px; margin-top: 22px; }
.review-row { display: grid; grid-template-columns: 1fr auto; gap: 20px; padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,.1); }
.review-row strong { display: block; }
.review-row small { display: block; margin-top: 6px; color: rgba(255,255,255,.42); }
.review-row > span { color: var(--orange); font-weight: 800; }
.review-row > span.is-manual { color: rgba(255,255,255,.42); }

.step-actions { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-top: 34px; }
.step-actions--end { justify-content: flex-end; }
.primary-button, .text-button, .wechat-button, .reset-button {
  min-height: 50px;
  padding: 0 22px;
  border: 0;
  border-radius: 999px;
  transition: transform .22s ease, background .22s ease, color .22s ease, opacity .22s ease;
  font-weight: 700;
  letter-spacing: .04em;
}
.primary-button { background: var(--paper-light); color: var(--ink); font-weight: 800; }
.primary-button span { margin-left: 14px; }
.primary-button--accent { background: var(--accent); color: #fff; }
.primary-button:hover:not(:disabled), .wechat-button:hover, .text-button:hover { transform: translateY(-3px); }
.primary-button:disabled { opacity: .25; cursor: default; }
.text-button { padding-inline: 6px; background: transparent; color: rgba(255,255,255,.68); }

.quote-summary { position: sticky; top: 112px; padding: 28px; border-radius: 28px; background: var(--paper-light); color: var(--ink); box-shadow: 14px 16px 0 var(--orange); }
.quote-summary__label { color: var(--accent); font: 700 10px/1 "Montserrat Local", Arial, sans-serif; letter-spacing: .12em; }
.quote-summary__price { display: flex; align-items: start; gap: 4px; margin: 25px 0 2px; }
.quote-summary__price small { margin-top: 12px; font: 700 25px/1 "Montserrat Local", Arial, sans-serif; }
.quote-summary__price strong { font: 700 clamp(58px, 6vw, 82px)/.9 "Montserrat Local", Arial, sans-serif; letter-spacing: -.06em; }
.quote-summary > p { min-height: 42px; margin: 12px 0 22px; color: var(--muted); font-size: 12px; line-height: 1.6; }
.quote-summary dl { margin: 0; }
.quote-summary dl div { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-top: 1px solid rgba(32,32,32,.13); font-size: 12px; }
.quote-summary dt { color: var(--muted); }
.quote-summary dd { margin: 0; font-weight: 800; }
.reset-button { width: 100%; margin-top: 18px; border: 1px solid var(--line); background: transparent; color: var(--ink); }
.reset-button:disabled { opacity: .3; cursor: default; }

.quote-disclaimer { display: flex; justify-content: space-between; gap: 30px; padding: 48px clamp(22px, 5vw, 82px) 72px; color: var(--muted); }
.quote-disclaimer span { color: var(--accent); font: 700 10px/1 "Montserrat Local", Arial, sans-serif; letter-spacing: .12em; }
.quote-disclaimer p { max-width: 620px; margin: 0; line-height: 1.7; text-align: right; }

.quote-dialog[hidden] { display: none; }
.quote-dialog { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 20px; }
.quote-dialog__backdrop { position: absolute; inset: 0; border: 0; background: rgba(12,12,12,.72); backdrop-filter: blur(12px); }
.quote-dialog__panel { position: relative; width: min(860px, 100%); max-height: calc(100vh - 40px); padding: clamp(30px, 5vw, 62px); overflow-y: auto; border-radius: 36px; background: var(--paper-light); color: var(--ink); box-shadow: var(--shadow); animation: dialog-in .4s cubic-bezier(.2,.8,.2,1) both; }
@keyframes dialog-in { from { opacity: 0; transform: translateY(35px) scale(.96); } to { opacity: 1; transform: none; } }
.quote-dialog__panel h2 { max-width: 650px; margin: 0 0 26px; font-size: clamp(42px, 6vw, 76px); line-height: .98; letter-spacing: -.06em; }
.quote-dialog__close { position: absolute; right: 22px; top: 22px; padding: 9px 12px; border: 1px solid var(--line); border-radius: 999px; background: transparent; color: var(--ink); }
.result-price { display: grid; grid-template-columns: 1fr auto; gap: 6px 18px; align-items: end; padding: 24px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.result-price > span { color: var(--muted); font-size: 12px; }
.result-price strong { grid-row: 1 / 3; grid-column: 2; color: var(--accent); font: 700 clamp(36px, 5vw, 64px)/1 "Montserrat Local", Arial, sans-serif; }
.result-price small { color: var(--muted); }
.result-meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0; }
.result-meta span { padding: 8px 11px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 11px; }
.result-breakdown { display: grid; gap: 0; }
.result-row { display: grid; grid-template-columns: 1fr auto; gap: 18px; padding: 16px 0; border-bottom: 1px solid rgba(32,32,32,.1); }
.result-row strong { display: block; }
.result-row small { display: block; margin-top: 5px; color: var(--muted); }
.result-row > span { color: var(--accent); font-weight: 800; }
.result-row > span.is-manual { color: var(--muted); }
.result-warning { margin: 22px 0 0; padding: 16px 18px; border-left: 4px solid var(--orange); background: rgba(224,152,80,.13); color: #5b5147; line-height: 1.6; }
.result-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.result-actions .primary-button { background: var(--ink); color: #fff; }
.result-actions .text-button { border: 1px solid var(--line); color: var(--ink); }
.wechat-button { background: var(--orange); color: var(--ink); font-weight: 800; }
.wechat-card { display: grid; grid-template-columns: 150px 1fr; gap: 22px; align-items: center; margin-top: 24px; padding: 18px; border: 1px solid var(--line); border-radius: 22px; }
.wechat-card[hidden] { display: none; }
.wechat-card img { width: 150px; border-radius: 14px; }
.wechat-card span { color: var(--accent); font: 700 10px/1 "Montserrat Local", Arial, sans-serif; letter-spacing: .12em; }
.wechat-card strong { display: block; margin-top: 10px; font-size: 24px; }
.wechat-card p { margin: 8px 0 0; color: var(--muted); font-size: 13px; }

.quote-hero__lede,
.material-gallery__head > p:last-child,
.quote-section__head > p,
.step-heading p,
.mode-card p,
.final-note p,
.quote-summary > p,
.quote-disclaimer p,
.result-warning,
.wechat-card p {
  line-height: calc(1.65em + 3px);
}

.toast { position: fixed; left: 50%; bottom: 28px; z-index: 150; padding: 12px 18px; border-radius: 999px; background: var(--ink); color: #fff; opacity: 0; transform: translate(-50%, 16px); pointer-events: none; transition: opacity .25s ease, transform .25s ease; }
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }
body.has-dialog { overflow: hidden; }

button:focus-visible, input:focus-visible, select:focus-visible, a:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; }

@media (max-width: 980px) {
  .quote-hero { grid-template-columns: 1fr; min-height: auto; }
  .quote-hero__mark { position: absolute; right: 6vw; bottom: 8vw; width: 210px; opacity: .16; }
  .quote-section__head { grid-template-columns: 1fr; }
  .quote-section__head > p { max-width: 700px; }
  .quote-layout { grid-template-columns: 1fr; }
  .quote-summary { position: static; display: grid; grid-template-columns: 1fr 1fr; column-gap: 24px; }
  .quote-summary dl { grid-column: 1 / -1; }
  .quote-summary .reset-button { grid-column: 1 / -1; }
}

@media (max-width: 680px) {
  :root { --header-height: 68px; }
  .quote-site-header { grid-template-columns: 1fr auto; min-height: var(--header-height); padding-inline: 18px; }
  .quote-site-brand { font-size: 22px; }
  .quote-site-brand::after { width: 150px; height: 34px; }
  .quote-pill-nav-root { justify-self: end; min-width: 46px; min-height: 46px; }
  .quote-header-note { display: none; }
  .quote-hero { padding: 82px 20px 70px; }
  .quote-hero h1 { font-size: clamp(46px, 13vw, 54px); }
  .quote-hero__lede { margin-top: 28px; font-size: 16px; }
  .quote-hero__mark { width: 160px; right: -45px; bottom: -20px; }
  .material-gallery { padding: 0 20px 90px; }
  .material-gallery__head { grid-template-columns: 1fr; gap: 18px; margin-bottom: 28px; }
  .material-gallery__head .eyebrow { margin-bottom: 0; }
  .material-gallery__head h2 { max-width: 340px; font-size: clamp(39px, 11vw, 48px); line-height: 1; }
  .material-gallery__head > p:last-child { max-width: 340px; font-size: 14px; }
  .material-gallery__stage { min-height: 560px; }
  .material-strip { grid-template-columns: repeat(5, 230px); }
  .material-strip article { min-height: 285px; }
  .material-strip article:nth-child(even) { --lift: 0px; }
  .quote-section { margin: 0 6px 6px; padding: 54px 18px 48px; border-radius: 34px; }
  .quote-section__head { padding-bottom: 34px; }
  .quote-section__head h2 { font-size: 44px; }
  .step-nav { grid-template-columns: repeat(4, auto); gap: 4px; margin: 26px 0 42px; overflow-x: auto; }
  .step-nav button { min-width: 52px; justify-content: center; padding-inline: 6px; font-size: 0; }
  .step-nav button span { font-size: 10px; }
  .mode-grid, .item-grid, .config-fields, .final-grid { grid-template-columns: 1fr; }
  .mode-card { min-height: 270px; }
  .config-card { padding: 19px; }
  .addon-toggle { align-items: start; }
  .addon-toggle small { max-width: 110px; text-align: right; }
  .step-actions { align-items: stretch; }
  .step-actions .primary-button { flex: 1; }
  .quote-summary { grid-template-columns: 1fr; padding: 24px; }
  .quote-summary dl, .quote-summary .reset-button { grid-column: auto; }
  .quote-disclaimer { display: grid; padding-inline: 22px; }
  .quote-disclaimer p { text-align: left; }
  .quote-dialog { align-items: end; padding: 0; }
  .quote-dialog__panel { max-height: 92vh; padding: 42px 22px 26px; border-radius: 30px 30px 0 0; }
  .quote-dialog__panel h2 { font-size: 44px; }
  .result-price { grid-template-columns: 1fr; }
  .result-price strong { grid-row: auto; grid-column: auto; }
  .result-actions { display: grid; }
  .wechat-card { grid-template-columns: 110px 1fr; padding: 12px; }
  .wechat-card img { width: 110px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}