/* ===================================================================
   NOON — 滚动空间漫游
   1. 变量   2. 基础   3. 导航   4. 空间漫游（核心）
   5. 文字   6. HUD   7. 浅色区块   8. 响应式/降级
   换图：把照片改名成 assets/scene-1.jpg / scene-2.jpg / scene-3.jpg 丢进 assets/
   =================================================================== */

/* ---------- 1. 变量 ---------- */
:root {
  --paper:  #f2eee7;
  --ink:    #14110f;
  --black:  #0a0807;
  --amber:  #c8a063;
  --muted:  #6f675e;
  --rule:   rgba(20, 17, 15, .16);

  /* 全站黑体：原来用的宋体在屏幕上笔画发尖、显旧 */
  --font-sans:  "Inter", "HarmonyOS Sans SC", "PingFang SC", "Source Han Sans SC",
                "Noto Sans SC", "Hiragino Sans GB", "Microsoft YaHei",
                system-ui, -apple-system, sans-serif;
  --font-display: var(--font-sans);
  /* 旧变量名保留，值指到黑体，避免散落的引用失效 */
  --font-serif: var(--font-sans);

  --nav-h: 78px;
  --pad:   clamp(20px, 5vw, 84px);
  --ease:  cubic-bezier(.22, .61, .36, 1);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--nav-h) + 12px); }

body {
  margin: 0;
  background: var(--black);
  color: var(--ink);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }
::selection { background: var(--amber); color: #fff; }

.wrap { width: 100%; max-width: 1440px; margin: 0 auto; padding: 0 var(--pad); }

.eyebrow {
  font-size: 10.5px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--muted);
}

.scrollbar-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px; width: 0%;
  background: var(--amber);
  z-index: 100;
  will-change: width;
}

/* ---------- 3. 导航 ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 var(--pad);
  z-index: 60;
  color: #fff;
  text-shadow: 0 1px 24px rgba(0, 0, 0, .45);
  transition: color .5s var(--ease);
}

body[data-theme="light"] .nav { color: var(--ink); }

.brand { display: flex; align-items: baseline; gap: 10px; }

.brand__mark {
  font-family: var(--font-display);
  font-size: 21px;
  letter-spacing: .14em;
  font-weight: 700;
}

.brand__sub { font-size: 10.5px; letter-spacing: .18em; opacity: .6; }
.brand__logo { height: 26px; width: auto; }

.nav__links { display: flex; gap: clamp(18px, 2.4vw, 38px); font-size: 12.5px; letter-spacing: .1em; }
.nav__links a { position: relative; padding: 6px 0; opacity: .82; transition: opacity .3s; }

.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .45s var(--ease);
}
.nav__links a:hover { opacity: 1; }
.nav__links a:hover::after { transform: scaleX(1); transform-origin: left; }

.nav__cta {
  font-size: 10.5px;
  letter-spacing: .16em;
  padding: 9px 16px;
  border: 1px solid currentColor;
  border-radius: 999px;
  opacity: .9;
  transition: background .4s var(--ease), color .4s var(--ease);
}
.nav__cta:hover { background: currentColor; color: var(--black); }
body[data-theme="light"] .nav__cta:hover { color: var(--paper); }

/* 离开首屏后给导航一层薄底：否则固定导航会压在正文上，字叠字 */
.nav { border-bottom: 1px solid transparent; }

body.is-scrolled .nav {
  background: rgba(10, 8, 7, .84);
  -webkit-backdrop-filter: blur(18px) saturate(1.15);
  backdrop-filter: blur(18px) saturate(1.15);
  border-bottom-color: rgba(255, 255, 255, .08);
  text-shadow: none;
}

body.is-scrolled[data-theme="light"] .nav {
  background: rgba(242, 238, 231, .88);
  border-bottom-color: rgba(20, 17, 15, .08);
}

@supports not ((backdrop-filter: blur(2px)) or (-webkit-backdrop-filter: blur(2px))) {
  body.is-scrolled .nav { background: rgba(10, 8, 7, .95); }
  body.is-scrolled[data-theme="light"] .nav { background: rgba(242, 238, 231, .97); }
}

/* ---------- 3.1 手机端章节目录 ----------
   整页 20 屏以上，手机上原来没有任何跳转入口，只能一路往下滑。
   桌面有顶部导航，这套只在 720px 以下出现。 */
.toc__btn {
  position: fixed;
  right: 14px;
  bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  z-index: 88;
  display: none;
  align-items: center;
  gap: 8px;
  padding: 10px 15px 10px 13px;
  border: 1px solid rgba(20, 17, 15, .14);
  border-radius: 999px;
  background: rgba(246, 242, 234, .95);
  -webkit-backdrop-filter: blur(14px) saturate(1.1);
  backdrop-filter: blur(14px) saturate(1.1);
  color: var(--ink);
  font: inherit;
  font-size: 11.5px;
  letter-spacing: .1em;
  box-shadow: 0 6px 22px rgba(20, 17, 15, .14);
  cursor: pointer;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity .4s var(--ease), transform .4s var(--ease);
}
body[data-theme="dark"] .toc__btn {
  background: rgba(24, 21, 18, .92);
  border-color: rgba(255, 255, 255, .16);
  color: #f2eee7;
  box-shadow: 0 6px 22px rgba(0, 0, 0, .45);
}
body.is-scrolled .toc__btn { opacity: 1; transform: none; pointer-events: auto; }
.toc__btn.is-busy { opacity: 0 !important; transform: translateY(10px); pointer-events: none !important; }
.toc__btn:active { transform: scale(.97); }

.toc__bars { display: flex; flex-direction: column; gap: 2.5px; width: 13px; }
.toc__bars i { display: block; height: 1.5px; background: currentColor; border-radius: 2px; }
.toc__bars i:nth-child(2) { width: 72%; }
.toc__bars i:nth-child(3) { width: 46%; }

.toc { position: fixed; inset: 0; z-index: 92; display: flex; align-items: flex-end; }
.toc[hidden] { display: none; }
.toc::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(20, 17, 15, .36);
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
  opacity: 0;
  transition: opacity .35s var(--ease);
}
.toc.is-open::before { opacity: 1; }

.toc__sheet {
  position: relative;
  width: 100%;
  max-height: 86vh;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 18px var(--pad) calc(22px + env(safe-area-inset-bottom, 0px));
  background: var(--paper);
  border-top: 1px solid rgba(20, 17, 15, .14);
  border-radius: 18px 18px 0 0;
  transform: translateY(100%);
  transition: transform .38s var(--ease);
}
.toc.is-open .toc__sheet { transform: none; }
body[data-theme="dark"] .toc__sheet {
  background: #12100e;
  color: #f2eee7;
  border-top-color: rgba(255, 255, 255, .12);
}

.toc__head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 12px; }
.toc__ttl { font-size: 11px; letter-spacing: .2em; color: var(--muted); }
.toc__close {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 11px;
  letter-spacing: .12em;
  padding: 6px 2px;
  cursor: pointer;
}

.toc__list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.toc__list a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 2px;
  border-bottom: 1px solid rgba(20, 17, 15, .1);
  font-size: 13.5px;
  letter-spacing: .02em;
}
.toc__list a i { font-style: normal; font-size: 10px; letter-spacing: .08em; color: var(--muted); }
.toc__list a:active { background: rgba(20, 17, 15, .04); }
body[data-theme="dark"] .toc__list a { border-bottom-color: rgba(255, 255, 255, .12); }
body[data-theme="dark"] .toc__list a i,
body[data-theme="dark"] .toc__ttl,
body[data-theme="dark"] .toc__close { color: rgba(242, 238, 231, .55); }

.toc__tel {
  display: block;
  margin-top: 16px;
  padding: 13px;
  text-align: center;
  border: 1px solid rgba(20, 17, 15, .16);
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: .06em;
}
body[data-theme="dark"] .toc__tel { border-color: rgba(255, 255, 255, .2); }

body.toc-open { overflow: hidden; }

@media (min-width: 721px) {
  .toc, .toc__btn { display: none !important; }
}
@media (max-width: 720px) {
  .toc__btn { display: inline-flex; }
}

/* ---------- 4. 空间漫游（核心） ---------- */
.walk {
  position: relative;
  --scroll-span: 1.6;   /* 桌面：整段占 1.6 屏 → 每次滚轮推一格就换一个空间 */
  height: calc(var(--scroll-span) * 100vh);
  height: calc(var(--scroll-span) * 100svh);
  background: var(--black);
}

.stage {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100svh;
  overflow: hidden;
  background: var(--black);
  isolation: isolate;
}

.layers { position: absolute; inset: 0; z-index: 1; }

.scene {
  position: absolute;
  inset: 0;
  margin: 0;
  overflow: hidden;
  opacity: 0;
  will-change: opacity, transform, filter;
  transform-origin: 50% 48%;
}

.scene__img {
  position: absolute;
  inset: 0;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity .35s var(--ease);
}

.scene.is-loaded .scene__img { opacity: 1; }

/* 没有图时的占位：不丑，但也一眼看得出是占位 */
.scene__ph {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 14px;
  background:
    radial-gradient(90% 70% at 50% 40%, rgba(192, 138, 78, .16), transparent 62%),
    linear-gradient(160deg, #1c1713 0%, #0c0a09 58%, #080706 100%);
}

.scene__ph::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 12.5% 12.5%;
  mask-image: radial-gradient(70% 60% at 50% 45%, #000 20%, transparent 78%);
}

.scene__num {
  font-family: var(--font-display);
  font-size: clamp(90px, 16vw, 220px);
  line-height: 1;
  color: rgba(242, 238, 231, .08);
  letter-spacing: .04em;
  position: relative;
}

.scene__hint {
  font-size: 10.5px;
  letter-spacing: .28em;
  color: rgba(242, 238, 231, .3);
  position: relative;
}

.scene.is-loaded .scene__ph { opacity: 0; visibility: hidden; transition: opacity .4s var(--ease), visibility 0s; }
.scene__ph { transition: opacity .4s var(--ease); }

.scene__glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(130% 100% at 50% 44%, transparent 46%, rgba(6, 5, 4, .34) 100%);
}

/* 全屏压暗：保证任何图上文字都能读 */
.veil {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    radial-gradient(70% 74% at 0% 98%, rgba(8, 7, 6, .84), transparent 74%),
    linear-gradient(to right, rgba(8, 7, 6, .5) 0%, rgba(8, 7, 6, .22) 30%, transparent 58%),
    linear-gradient(to top, rgba(8, 7, 6, .8) 0%, rgba(8, 7, 6, .14) 30%, transparent 52%),
    linear-gradient(to bottom, rgba(8, 7, 6, .62) 0%, rgba(8, 7, 6, .18) 14%, transparent 28%);
}

.grain {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  opacity: .15;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- 5. 文字 ---------- */
.captions {
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
}

.cap {
  position: absolute;
  left: var(--pad);
  bottom: clamp(104px, 17vh, 176px);
  max-width: min(32ch, 46vw);
  color: #fff;
  opacity: 0;
  will-change: opacity, transform, filter;
}

.cap__kicker {
  font-size: 10.5px;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 16px;
}

.cap__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(38px, 6.2vw, 92px);
  line-height: 1.08;
  letter-spacing: .01em;
}

.cap__sub {
  margin-top: 22px;
  font-size: clamp(13px, 1vw, 15px);
  line-height: 2.1;
  letter-spacing: .05em;
  color: rgba(255, 255, 255, .72);
}

/* ---------- 6. HUD ---------- */
.hud {
  position: absolute;
  left: var(--pad);
  right: var(--pad);
  bottom: clamp(30px, 4.4vh, 46px);
  z-index: 5;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  color: rgba(255, 255, 255, .7);
  font-size: 10.5px;
  letter-spacing: .18em;
  pointer-events: none;
  text-shadow: 0 1px 20px rgba(0, 0, 0, .5);
}

.hud__meta { display: flex; flex-direction: column; gap: 8px; }
.hud__meta b { font-weight: 500; color: rgba(255, 255, 255, .9); letter-spacing: .24em; }
.hud__meta span { opacity: .5; }

.hud__right { display: flex; align-items: center; gap: clamp(18px, 3vw, 44px); }

.hud__next {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  opacity: .8;
  transition: opacity .35s var(--ease);
}
.hud__next:hover { opacity: 1; }
.hud__next i { font-style: normal; transition: transform .35s var(--ease); }
.hud__next:hover i { transform: translateX(4px); }

.hud__count { display: inline-flex; align-items: baseline; gap: 4px; }
.hud__count b { font-family: var(--font-display); font-weight: 600; font-size: 12.5px; color: #fff; letter-spacing: .06em; }
.hud__count i, .hud__count em { font-style: normal; opacity: .42; }

/* 右侧竖排刻度 */
.ticks {
  position: absolute;
  right: calc(var(--pad) * .55);
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  display: flex;
  flex-direction: column;
  gap: 12px;
  pointer-events: none;
}

.ticks span {
  display: block;
  width: 1px;
  height: 18px;
  background: rgba(255, 255, 255, .34);
  transition: background .5s var(--ease), height .5s var(--ease);
}

.ticks span.is-on { background: var(--amber); height: 34px; }

/* 底部进度 */
.track {
  position: absolute;
  left: var(--pad);
  right: var(--pad);
  bottom: 0;
  height: 1px;
  background: rgba(255, 255, 255, .12);
  z-index: 5;
}

.track__fill { display: block; height: 100%; width: 0%; background: rgba(255, 255, 255, .55); }

/* ---------- 7. 浅色区块 ---------- */
.manifesto {
  background: var(--paper);
  padding: clamp(96px, 16vh, 190px) 0 clamp(80px, 12vh, 150px);
}

.manifesto__line {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(26px, 3.4vw, 50px);
  line-height: 1.5;
  letter-spacing: .015em;
  margin: clamp(28px, 4vh, 54px) 0 clamp(60px, 9vh, 110px);
  max-width: 20ch;
}

.cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(20px, 3vw, 48px);
  border-top: 1px solid var(--rule);
  padding-top: clamp(28px, 4vh, 46px);
}

.col__n {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--amber);
  margin-bottom: 14px;
}

.col h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: .06em;
  margin-bottom: 12px;
}

.col p { font-size: 13.5px; line-height: 1.95; color: var(--muted); letter-spacing: .03em; }

.work { background: var(--paper); padding-bottom: clamp(80px, 14vh, 170px); }

.work__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-top: 1px solid var(--rule);
  padding-top: 18px;
  margin-bottom: clamp(28px, 4vh, 48px);
}

.work__note { font-size: 11px; letter-spacing: .18em; color: var(--muted); }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(14px, 2vw, 30px); }
.tile { display: block; }

.tile__ph {
  position: relative;
  aspect-ratio: 4 / 5;
  background: #e4ded3;
  overflow: hidden;
  display: grid;
  place-items: center;
}
.tile__ph img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.1s var(--ease); }
.tile:hover .tile__ph img { transform: scale(1.04); }
.tile__ph span { font-size: 10px; letter-spacing: .22em; color: rgba(20, 17, 15, .32); text-transform: uppercase; }

.tile__meta {
  display: flex;
  justify-content: space-between;
  font-size: 12.5px;
  letter-spacing: .06em;
  padding: 14px 2px 0;
}
.tile__meta span:last-child { color: var(--muted); letter-spacing: .1em; }

.foot {
  background: var(--ink);
  color: rgba(242, 238, 231, .78);
  padding: clamp(56px, 9vh, 96px) 0 clamp(28px, 4vh, 44px);
}

.foot__in { display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; align-items: start; }
.foot__brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(32px, 4.6vw, 58px);
  letter-spacing: .1em;
  color: #f2eee7;
  line-height: 1;
}
.foot__line { margin-top: 14px; font-size: 12px; letter-spacing: .12em; opacity: .6; }
.foot__links { display: flex; flex-direction: column; gap: 10px; font-size: 12px; letter-spacing: .1em; }
.foot__links a { opacity: .7; transition: opacity .3s; }
.foot__links a:hover { opacity: 1; }
.foot__copy { font-size: 10.5px; letter-spacing: .18em; opacity: .45; }
.foot__legal {
  margin-top: clamp(28px, 5vh, 48px);
  padding-top: 18px;
  border-top: 1px solid rgba(242, 238, 231, .12);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 6px 12px;
  font-size: 11px;
  letter-spacing: .08em;
}
.foot__sep { opacity: .3; }
.foot__beian { letter-spacing: .06em; }
.foot__beian a { opacity: .88; transition: opacity .3s; }
.foot__beian a:hover { opacity: 1; }

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
}
[data-reveal].is-in { opacity: 1; transform: none; }

/* ---------- 7.5 新增：产品 / 创始人 / 门店工厂 / 招商 ---------- */
.brand__logo { height: 30px; width: auto; display: block; }
.brand__logo--dark { display: none; }
body[data-theme="light"] .brand__logo--light { display: none; }
body[data-theme="light"] .brand__logo--dark { display: block; }

.sec-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
  border-top: 1px solid var(--rule);
  padding-top: 18px;
  margin-bottom: clamp(32px, 5vh, 64px);
}

.sec-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(24px, 3.2vw, 42px);
  line-height: 1.34;
  letter-spacing: .02em;
  margin-top: 14px;
}

.sec-note {
  font-size: 11.5px;
  letter-spacing: .13em;
  line-height: 2;
  color: var(--muted);
  max-width: 30ch;
}

/* 产品 */
/* ============================================================
   品牌一句话（可见 H1，兼作 GEO 的定义式段落）
   ============================================================ */
.brief {
  background: #fbf9f5;
  padding: clamp(56px, 9vh, 100px) 0 clamp(44px, 7vh, 72px);
  border-bottom: 1px solid var(--rule);
}
.brief__in {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
  gap: clamp(18px, 4vw, 56px);
  align-items: start;
}
.brief__h1 {
  margin: 12px 0 0;
  font-size: clamp(21px, 2.35vw, 32px);
  line-height: 1.3;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--ink);
}
.brief__lead { font-size: clamp(12.5px, 1.02vw, 14.5px); line-height: 1.9; color: #3d3730; }
.brief__sub { margin-top: 10px; font-size: 12px; line-height: 1.8; color: #7b7367; }
.brief__nums {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(12px, 2vw, 30px);
  margin: clamp(26px, 4vh, 40px) 0 0;
  padding-top: clamp(18px, 2.4vh, 26px);
  border-top: 1px solid var(--rule);
}
.brief__nums dt { font-size: 9.5px; letter-spacing: .16em; text-transform: uppercase; color: #8d857a; }
.brief__nums dd { margin: 7px 0 0; font-size: 12px; line-height: 1.65; color: #4a443c; }
.brief__nums b { font-size: 16px; font-weight: 600; color: var(--ink); font-variant-numeric: tabular-nums; }

@media (max-width: 860px) {
  .brief__in { grid-template-columns: 1fr; gap: 16px; }
  .brief__nums { grid-template-columns: repeat(2, 1fr); gap: 16px 18px; }
}

.products { background: var(--paper); padding: clamp(76px, 12vh, 150px) 0 clamp(64px, 10vh, 120px); }
.prod { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(14px, 1.8vw, 28px); }
.prod__item { display: flex; flex-direction: column; }
.prod__shot {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1 / 1.06;
  background: #eae4d9;
  overflow: hidden;
}
.prod__shot img {
  max-width: 76%;
  max-height: 84%;
  width: auto;
  height: auto;
  transition: transform .9s var(--ease);
}
.prod__item:hover .prod__shot img { transform: translateY(-8px); }
.prod__body { padding-top: 18px; }
.prod__code { font-size: 11px; letter-spacing: .2em; color: #a97f42; }
.prod__name { font-size: 16.5px; font-weight: 600; letter-spacing: .04em; margin: 9px 0 9px; }
.prod__desc { font-size: 12.5px; line-height: 1.95; color: var(--muted); }
.prod__tags { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; margin: 14px 0 0; padding: 0; }
.prod__tags li { font-size: 10px; letter-spacing: .08em; color: var(--muted); border: 1px solid var(--rule); padding: 4px 8px; }

/* 创始人 */
.founder { background: #e7e1d6; padding: clamp(72px, 11vh, 140px) 0; }
.founder__in {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: clamp(28px, 4.5vw, 72px);
  align-items: center;
}
.founder__photo { margin: 0; overflow: hidden; }
.founder__photo img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; filter: saturate(.84) contrast(1.03); }
.founder__photo figcaption {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-top: 13px;
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--muted);
}
.founder__photo figcaption b { font-weight: 600; color: var(--ink); letter-spacing: .08em; font-size: 12.5px; }
.founder__title {
  font-weight: 600;
  font-size: clamp(23px, 2.9vw, 38px);
  line-height: 1.54;
  letter-spacing: .01em;
  margin: 18px 0 clamp(20px, 3vh, 30px);
}
.founder__text p { font-size: 13.5px; line-height: 2.05; color: #4a443c; margin-bottom: 15px; max-width: 46ch; }
.founder__sign { font-size: 12px; letter-spacing: .14em; color: var(--muted); margin-top: 8px; }

/* 形象店 / 仓储 */
.places { background: var(--paper); padding: clamp(72px, 11vh, 140px) 0; }
.places__grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(14px, 2vw, 28px); align-items: start; }
.place { margin: 0; }
.place img { width: 100%; display: block; height: clamp(220px, 28vw, 400px); object-fit: cover; }
.place figcaption {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-top: 13px;
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--muted);
}
.place figcaption b { font-weight: 600; color: var(--ink); letter-spacing: .06em; }

/* 生产与研发 */
.making {
  background: #12100e;
  color: rgba(242, 238, 231, .86);
  padding: clamp(72px, 11vh, 140px) 0 clamp(64px, 9vh, 120px);
}
.making .eyebrow { color: rgba(242, 238, 231, .46); }
.making .sec-head { border-top-color: rgba(255, 255, 255, .15); }
.making .sec-title { color: #f2eee7; }
.making .sec-note { color: rgba(242, 238, 231, .44); max-width: 26em; text-align: right; }

.making__hero { margin: 0; }
.making__hero img {
  width: 100%;
  display: block;
  height: clamp(300px, 52vh, 600px);
  object-fit: cover;
}
.making__cap {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-top: 13px;
  font-size: 11.5px;
  letter-spacing: .1em;
  color: rgba(242, 238, 231, .42);
}
.making__cap b { font-weight: 600; color: #f2eee7; letter-spacing: .06em; }

/* 六道工序 */
.making__steps {
  list-style: none;
  margin: clamp(34px, 5vh, 60px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, .15);
}
.making__steps li {
  padding: 18px clamp(12px, 1.4vw, 22px) 0 0;
  border-right: 1px solid rgba(255, 255, 255, .08);
}
.making__steps li:last-child { border-right: 0; padding-right: 0; }
.making__steps b {
  display: block;
  font-size: 10.5px;
  letter-spacing: .2em;
  color: var(--amber);
  margin-bottom: 10px;
}
.making__steps h4 {
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .06em;
  color: #f2eee7;
  margin: 0 0 7px;
}
.making__steps p {
  font-size: 11.5px;
  line-height: 1.85;
  color: rgba(242, 238, 231, .48);
  margin: 0;
}

/* 实验室 */
.making__body {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: clamp(24px, 4vw, 64px);
  align-items: start;
  margin-top: clamp(48px, 7vh, 96px);
  padding-top: clamp(30px, 4vh, 48px);
  border-top: 1px solid rgba(255, 255, 255, .15);
}
.making__shot { margin: 0; }
.making__shot img {
  width: 100%;
  display: block;
  height: clamp(240px, 32vw, 440px);
  object-fit: cover;
}
.making__t {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(20px, 2.2vw, 30px);
  line-height: 1.45;
  letter-spacing: .02em;
  color: #f2eee7;
  margin: 14px 0 0;
}
.making__copy > p:not(.eyebrow) {
  font-size: 12.5px;
  line-height: 2;
  color: rgba(242, 238, 231, .56);
  margin-top: 16px;
}
.making__facts {
  list-style: none;
  margin: clamp(20px, 3vh, 30px) 0 0;
  padding: 0;
  border-top: 1px solid rgba(255, 255, 255, .15);
}
.making__facts li {
  display: flex;
  gap: 16px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.making__facts b {
  flex: 0 0 auto;
  min-width: 4.4em;
  font-size: 12.5px;
  color: var(--amber);
  letter-spacing: .04em;
}
.making__facts span {
  font-size: 12px;
  line-height: 1.9;
  color: rgba(242, 238, 231, .46);
}

/* 招商 */
.join { background: #0d0b0a; color: rgba(242, 238, 231, .86); padding: clamp(76px, 12vh, 150px) 0; }
.join .eyebrow { color: rgba(242, 238, 231, .48); }

.join__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
  border-top: 1px solid rgba(242, 238, 231, .14);
  padding-top: 18px;
}

.join__title {
  font-weight: 600;
  font-size: clamp(26px, 3.4vw, 46px);
  line-height: 1.42;
  letter-spacing: .02em;
  margin: 16px 0 0;
  color: #f2eee7;
}

.join__note {
  font-size: 11.5px;
  letter-spacing: .13em;
  line-height: 2;
  color: rgba(242, 238, 231, .46);
  text-align: right;
}

/* 0 / 0 / 0 / 1 四个数字 */
.join__stats {
  list-style: none;
  margin: clamp(30px, 5vh, 56px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: rgba(242, 238, 231, .13);
  border-top: 1px solid rgba(242, 238, 231, .13);
  border-bottom: 1px solid rgba(242, 238, 231, .13);
}

.join__stats li {
  background: #0d0b0a;
  padding: clamp(20px, 2.8vw, 34px) clamp(14px, 1.8vw, 26px);
}

.join__stats b {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(32px, 4.2vw, 54px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--amber);
  margin-bottom: 14px;
}

.join__stats span { display: block; font-size: 12.5px; letter-spacing: .14em; color: #f2eee7; }
.join__stats em {
  display: block;
  font-style: normal;
  font-size: 11.5px;
  line-height: 1.8;
  color: rgba(242, 238, 231, .42);
  margin-top: 8px;
}

.join__body {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(32px, 5vw, 80px);
  margin-top: clamp(40px, 6vh, 84px);
  align-items: start;
}

.join__lead h3 {
  font-size: clamp(19px, 2.1vw, 27px);
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: .01em;
  color: #f2eee7;
  margin-bottom: 20px;
  max-width: 22ch;
}

.join__lead p {
  font-size: 13px;
  line-height: 2.05;
  color: rgba(242, 238, 231, .54);
  max-width: 40ch;
  margin-bottom: 14px;
}

.join__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(18px, 2.6vw, 32px) clamp(18px, 2.4vw, 30px);
}

.join__list li { border-top: 1px solid rgba(242, 238, 231, .14); padding-top: 14px; }
.join__list b { font-size: 10.5px; letter-spacing: .2em; color: var(--amber); display: block; margin-bottom: 9px; }
.join__list h4 { font-size: 14.5px; font-weight: 600; letter-spacing: .05em; margin: 0 0 7px; color: #f2eee7; }
.join__list p { font-size: 12px; line-height: 1.9; color: rgba(242, 238, 231, .48); margin: 0; }

/* 怎么开始 */
.join__flow {
  margin-top: clamp(44px, 7vh, 92px);
  border-top: 1px solid rgba(242, 238, 231, .14);
  padding-top: clamp(22px, 3.2vh, 34px);
}

.flow {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(12px, 1.8vw, 26px);
}

.flow li { border-top: 1px solid rgba(242, 238, 231, .2); padding-top: 13px; }
.flow b { display: block; font-size: 10px; letter-spacing: .2em; color: var(--amber); margin-bottom: 9px; }
.flow h5 { font-size: 13.5px; font-weight: 600; letter-spacing: .04em; margin: 0 0 6px; color: #f2eee7; }
.flow p { font-size: 11.5px; line-height: 1.85; color: rgba(242, 238, 231, .4); margin: 0; }

/* 适合谁 */
.join__who {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: clamp(28px, 4vh, 46px);
}

.join__who-label {
  font-size: 10.5px;
  letter-spacing: .2em;
  color: rgba(242, 238, 231, .38);
  margin-right: 6px;
}

.join__who span:not(.join__who-label) {
  font-size: 11.5px;
  letter-spacing: .08em;
  color: rgba(242, 238, 231, .62);
  border: 1px solid rgba(242, 238, 231, .18);
  border-radius: 999px;
  padding: 7px 14px;
}

.join__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: clamp(34px, 5vh, 62px);
  border-top: 1px solid rgba(242, 238, 231, .14);
  padding-top: clamp(24px, 3.4vh, 38px);
}

.join__foot p { font-size: 12.5px; line-height: 1.9; letter-spacing: .06em; color: rgba(242, 238, 231, .46); }

.join__cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  border: 1px solid rgba(242, 238, 231, .38);
  border-radius: 999px;
  font-size: 12.5px;
  letter-spacing: .12em;
  color: #f2eee7;
  transition: background .4s var(--ease), color .4s var(--ease), border-color .4s var(--ease);
}
.join__cta i { font-style: normal; transition: transform .35s var(--ease); }
.join__cta:hover { background: var(--amber); border-color: var(--amber); color: #14110f; }
.join__cta:hover i { transform: translateX(4px); }

/* ---------- 7.6 留言表单 ---------- */
.lead {
  background: #0a0807;
  color: rgba(242, 238, 231, .86);
  padding: clamp(72px, 11vh, 140px) 0 clamp(64px, 10vh, 120px);
  border-top: 1px solid rgba(242, 238, 231, .1);
}

.lead__in {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: start;
}

.lead .eyebrow { color: rgba(242, 238, 231, .48); }

.lead__title {
  font-weight: 600;
  font-size: clamp(26px, 3.3vw, 44px);
  line-height: 1.44;
  letter-spacing: .02em;
  margin: 16px 0 20px;
  color: #f2eee7;
}

.lead__intro > p { font-size: 13px; line-height: 2.05; color: rgba(242, 238, 231, .56); max-width: 40ch; }

.lead__meta { margin: clamp(26px, 4vh, 44px) 0 0; display: grid; gap: 16px; }
.lead__meta dt { font-size: 10px; letter-spacing: .2em; color: rgba(242, 238, 231, .38); margin-bottom: 5px; }
.lead__meta dd { margin: 0; font-size: 13.5px; letter-spacing: .04em; color: rgba(242, 238, 231, .9); }
.lead__meta dd a { border-bottom: 1px solid rgba(200, 160, 99, .55); padding-bottom: 2px; }

.lead__form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(16px, 2vw, 26px);
  background: #12100e;
  border: 1px solid rgba(242, 238, 231, .12);
  padding: clamp(22px, 3vw, 42px);
}

.field { display: flex; flex-direction: column; gap: 9px; min-width: 0; }
.field--full { grid-column: 1 / -1; }

.field > label {
  font-size: 10.5px;
  letter-spacing: .16em;
  color: rgba(242, 238, 231, .48);
}
.field > label i { font-style: normal; color: var(--amber); }

.field > input,
.field > textarea {
  width: 100%;
  font: inherit;
  font-size: 13.5px;
  letter-spacing: .02em;
  color: #f2eee7;
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(242, 238, 231, .2);
  border-radius: 0;
  padding: 10px 0;
  outline: none;
  transition: border-color .35s var(--ease);
  -webkit-appearance: none;
}
.field > input::placeholder,
.field > textarea::placeholder { color: rgba(242, 238, 231, .24); }
.field > input:focus,
.field > textarea:focus { border-color: var(--amber); }
.field > textarea { resize: vertical; min-height: 74px; line-height: 1.8; }

.field.has-err > input,
.field.has-err > textarea { border-color: #c9614a; }
.field__err { font-size: 10.5px; letter-spacing: .06em; color: #d97458; }

/* 身份选择 */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { position: relative; display: block; }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip span {
  display: block;
  font-size: 12px;
  letter-spacing: .08em;
  color: rgba(242, 238, 231, .58);
  border: 1px solid rgba(242, 238, 231, .18);
  padding: 8px 14px;
  cursor: pointer;
  transition: background .3s var(--ease), border-color .3s var(--ease), color .3s var(--ease);
}
.chip:hover span { border-color: rgba(242, 238, 231, .34); }
.chip input:checked + span {
  background: rgba(200, 160, 99, .16);
  border-color: rgba(200, 160, 99, .7);
  color: #f2eee7;
}
.chip input:focus-visible + span { outline: 1px solid var(--amber); outline-offset: 2px; }

.lead__submit { gap: 12px; margin-top: 6px; }
.lead__submit button {
  align-self: flex-start;
  font: inherit;
  font-size: 13px;
  letter-spacing: .12em;
  padding: 15px 34px;
  border-radius: 999px;
  border: 1px solid var(--amber);
  background: var(--amber);
  color: #14110f;
  cursor: pointer;
  transition: background .4s var(--ease), color .4s var(--ease);
}
.lead__submit button:hover { background: transparent; color: var(--amber); }
.lead__submit button[disabled] { opacity: .45; cursor: default; }

.lead__tip { font-size: 10.5px; line-height: 1.9; letter-spacing: .05em; color: rgba(242, 238, 231, .3); max-width: 42ch; }

/* 反垃圾蜜罐：真人看不见，不占布局 */
.lead__hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; pointer-events: none; }

.lead__done { display: none; grid-column: 1 / -1; }
.lead__form.is-done > .field { display: none; }
.lead__form.is-done { align-content: center; min-height: 340px; }
.lead__form.is-done .lead__done { display: block; }
.lead__done::before {
  content: "";
  display: block;
  width: 36px;
  height: 1px;
  background: var(--amber);
  margin-bottom: clamp(18px, 2.4vw, 26px);
}
.lead__done-t { font-size: clamp(19px, 2.1vw, 26px); font-weight: 600; letter-spacing: .03em; color: #f2eee7; margin-bottom: 10px; }
.lead__done-s { font-size: 12.5px; line-height: 2; color: rgba(242, 238, 231, .56); max-width: 36ch; }
.lead__done-s a { border-bottom: 1px solid rgba(200, 160, 99, .55); color: #f2eee7; }

@media (max-width: 1024px) {
  .prod { grid-template-columns: repeat(2, 1fr); }
  .founder__in { grid-template-columns: 1fr; gap: 34px; }
  .founder__photo { max-width: 420px; }
  .places__grid { grid-template-columns: 1fr; }
  .join__body { grid-template-columns: 1fr; gap: clamp(30px, 5vw, 44px); }
  .join__stats { grid-template-columns: 1fr 1fr; }
  .flow { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lead__in { grid-template-columns: 1fr; gap: clamp(30px, 5vw, 44px); }
}

@media (max-width: 720px) {
  .brand__logo { height: 26px; }
  .sec-head { flex-direction: column; align-items: flex-start; gap: 12px; }
  .sec-note { max-width: none; }
  .prod { gap: 14px; }
  .prod__shot { aspect-ratio: 1 / 1.14; }
  .prod__name { font-size: 14.5px; }
  .prod__desc { font-size: 11.5px; line-height: 1.9; }
  .prod__tags li { font-size: 9.5px; padding: 3px 7px; }
  .founder__photo { max-width: none; }
  .place img { height: 62vw; }

  /* 招商 */
  .join__head { flex-direction: column; align-items: flex-start; gap: 14px; }
  .join__note { text-align: left; }
  .join__stats li { padding: 18px 14px; }
  .join__stats b { font-size: 32px; margin-bottom: 10px; }
  .join__stats span { font-size: 11.5px; letter-spacing: .1em; }
  .join__stats em { font-size: 10.5px; line-height: 1.75; margin-top: 6px; }
  .join__list { gap: 20px 16px; }
  .join__list h4 { font-size: 14px; }
  .join__list p { font-size: 12px; line-height: 1.85; }
  .flow { grid-template-columns: 1fr 1fr; gap: 16px; }
  .join__flow { margin-top: clamp(32px, 5vh, 48px); }
  .join__who span:not(.join__who-label) { font-size: 11px; padding: 6px 12px; }
  .join__foot { flex-direction: column; align-items: stretch; gap: 20px; }
  .join__cta { justify-content: center; width: 100%; }

  /* 留言表单 */
  .lead__form { grid-template-columns: 1fr; padding: 20px; gap: 18px; }
  .lead__submit button { align-self: stretch; width: 100%; }
  .lead__form.is-done { min-height: 240px; }
  .chip span { font-size: 11.5px; padding: 7px 12px; }
}

/* ---------- 8. 响应式 / 降级 ---------- */
@media (max-width: 1024px) {
  .cols { grid-template-columns: 1fr 1fr; }
  .grid { grid-template-columns: 1fr 1fr; }
  .foot__in { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  :root { --nav-h: 64px; }

  .nav__links { display: none; }
  .brand__sub { display: none; }

  /* 竖屏：把画面收成上方 62% 的窗口，文字落到下面的实色区。
     16:9 横图铺满竖屏只能看到中间 26% 的宽度，会议室会整屏都是天花板 */
  .walk { --scroll-span: 2.2; }

  .stage { display: flex; flex-direction: column; }

  .layers {
    position: relative;
    inset: auto;
    flex: 0 0 auto;
    height: 62svh;
    overflow: hidden;
  }

  .scene__img { background-position: center 42%; }

  .veil {
    background:
      linear-gradient(to bottom, rgba(6, 5, 4, .55) 0%, rgba(6, 5, 4, .1) 16%, transparent 30%, transparent 50%, rgba(6, 5, 4, .5) 60%, var(--black) 68%),
      linear-gradient(to top, var(--black) 0%, rgba(6, 5, 4, .55) 26%, transparent 46%);
  }

  .captions { top: 62svh; bottom: 0; }

  .cap {
    max-width: none;
    left: var(--pad);
    right: var(--pad);
    top: 26px;
    bottom: auto;
  }

  .cap__kicker { margin-bottom: 12px; }
  .cap__title { font-size: clamp(34px, 11vw, 46px); }
  .cap__sub { font-size: 12.5px; line-height: 1.9; margin-top: 14px; }

  .hud { bottom: clamp(18px, 3vh, 26px); }
  .hud__meta span { display: none; }

  .ticks { display: none; }
  .hud__next { display: none; }

  .cols { grid-template-columns: 1fr; }
  .grid { grid-template-columns: 1fr; }
  .foot__in { grid-template-columns: 1fr; gap: 28px; }
  .manifesto__line { max-width: none; }
}

@media (prefers-reduced-motion: reduce) {
  .scene, .cap { filter: none !important; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

@media (max-width: 1024px) {
  .making__body { grid-template-columns: 1fr; gap: 30px; }
  .making__steps { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 26px; }
  .making__steps li { padding-right: 18px; }
  .making__steps li:nth-child(3n) { border-right: 0; padding-right: 0; }
}

@media (max-width: 720px) {
  .making__steps { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 22px; }
  .making__steps li:nth-child(3n) { border-right: 1px solid rgba(255, 255, 255, .08); padding-right: 16px; }
  .making__steps li:nth-child(2n) { border-right: 0; padding-right: 0; }
  .making__steps h4 { font-size: 13px; }
  .making__steps p { font-size: 11.5px; }
  .making__hero img { height: 60vw; }
  .making .sec-note { text-align: left; max-width: none; }
  .making__shot img { height: 56vw; }
  .making__cap { font-size: 11px; }
  .making__facts b { min-width: 3.8em; font-size: 12px; }
}

/* ===================================================================
   旧砖改造 / 配套工具（#removal）
   =================================================================== */
.removal {
  background: var(--paper);
  padding: clamp(64px, 10vh, 120px) 0 clamp(60px, 9vh, 110px);
}
.removal__body {
  display: grid;
  grid-template-columns: 1.32fr 1fr;
  gap: clamp(26px, 4vw, 64px);
  align-items: start;
}
.removal .sec-note { max-width: 20em; }
.removal__media {
  position: relative;
  margin: 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #dcd6cb url("assets/removal-poster.jpg") center / cover no-repeat;
}
.removal__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.removal__cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding: 16px 18px 14px;
  font-size: 10.5px;
  letter-spacing: .1em;
  background: linear-gradient(to top, rgba(10, 8, 7, .84) 0%, rgba(10, 8, 7, .38) 52%, rgba(10, 8, 7, 0) 100%);
}
.removal__cap b { font-weight: 600; color: #f2eee7; }
.removal__cap span { color: rgba(242, 238, 231, .62); }

.removal__t {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(20px, 2.2vw, 30px);
  line-height: 1.45;
  letter-spacing: .02em;
  margin: 0 0 clamp(14px, 2vh, 20px);
}
.removal__copy p {
  font-size: 12.8px;
  line-height: 2.05;
  color: var(--muted);
  max-width: 40ch;
}
.removal__copy > p + p { margin-top: 14px; }

.removal__facts {
  list-style: none;
  margin: clamp(18px, 3vh, 26px) 0 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}
.removal__facts li {
  display: flex;
  gap: 16px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
}
.removal__facts b {
  flex: 0 0 auto;
  min-width: 4.4em;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: #8a6a34;
}
.removal__facts span { font-size: 12px; line-height: 1.85; color: var(--muted); }

.removal__copy .removal__tie {
  margin-top: clamp(16px, 2.4vh, 22px);
  max-width: none;
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--muted);
}
.removal__tie a {
  color: var(--ink);
  border-bottom: 1px solid var(--amber);
  padding-bottom: 2px;
}

@media (max-width: 1024px) {
  .removal__body { grid-template-columns: 1fr; gap: 30px; }
  .removal__copy p { max-width: none; }
}

@media (max-width: 720px) {
  .removal { padding: 62px 0 66px; }
  .removal .sec-note { text-align: left; max-width: none; }
  /* 手机上把说明挪到画面下面，别压在机器上 */
  .removal__media { aspect-ratio: auto; }
  .removal__video { aspect-ratio: 16 / 10; height: auto; }
  .removal__cap {
    position: static;
    gap: 10px;
    padding: 10px 0 0;
    background: none;
    font-size: 10px;
  }
  .removal__cap b { color: var(--ink); }
  .removal__cap span { color: var(--muted); }
  .removal__copy p { font-size: 12.5px; }
  .removal__facts b { min-width: 3.6em; font-size: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  .removal__video { display: none; }
}

/* ===================================================================
   无障碍隐藏 H1（页面主标题，视觉上不占位）
   =================================================================== */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===================================================================
   产品卡：规格行 + 建议零售价（出厂价不上站）
   =================================================================== */
.prod__meta {
  font-size: 10.5px;
  letter-spacing: .05em;
  color: #8d857a;
  margin: 7px 0 0;
}
.prod__price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 11px 0 0;
}
.prod__price span {
  font-size: 10px;
  letter-spacing: .12em;
  color: #8d857a;
}
.prod__price b {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.prod__price i {
  font-style: normal;
  font-size: 10.5px;
  color: #8d857a;
}

/* ===================================================================
   全系产品与建议零售价（#catalog）
   =================================================================== */
.catalog {
  background: #eae4d9;
  padding: clamp(64px, 10vh, 118px) 0 clamp(60px, 9vh, 110px);
}
.catalog .sec-note { max-width: 21em; }
.cat__group {
  border-top: 1px solid var(--rule);
  padding-top: clamp(18px, 2.6vh, 26px);
  margin-top: clamp(26px, 4vh, 46px);
}
.cat__gh {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.cat__gh h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--ink);
}
.cat__gh p {
  margin: 0;
  font-size: 11px;
  letter-spacing: .04em;
  color: #8d857a;
}

/* ===================================================================
   常见问题（#faq）
   =================================================================== */
.faq {
  background: var(--paper);
  padding: clamp(64px, 10vh, 118px) 0 clamp(64px, 10vh, 118px);
}
.faq .sec-note { max-width: 21em; }
.faq__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 clamp(28px, 4.5vw, 72px);
  align-items: start;
}
.faq__item {
  border-top: 1px solid var(--rule);
  padding: clamp(16px, 2.4vh, 22px) 0 clamp(18px, 2.8vh, 26px);
}
.faq__item h3 {
  margin: 0 0 9px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--ink);
}
.faq__item p {
  margin: 0;
  font-size: 12px;
  line-height: 2.05;
  color: var(--muted);
}

/* ---------- 折叠：桌面默认全展开、摘要不占位；720 以下由脚本收起 ---------- */
.fold > summary {
  display: none;
  list-style: none;
  align-items: baseline;
  gap: 11px;
  cursor: pointer;
  padding: 13px 2px 14px;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--ink);
  border-top: 1px solid var(--rule);
}
.fold > summary::-webkit-details-marker { display: none; }
.fold > summary::before { content: "＋"; font-size: 13px; line-height: 1; color: var(--muted); }
.fold[open] > summary::before { content: "－"; }
.fold > summary i {
  font-style: normal;
  font-size: 10.5px;
  letter-spacing: .08em;
  color: var(--muted);
  margin-left: auto;
  text-align: right;
}
.fold--tbl > summary { margin-bottom: 4px; }
.fold--tbl[open] > summary { border-bottom: 1px solid var(--rule); margin-bottom: 14px; }
.fold--tbl > summary i { margin-left: 0; }

.fold--faq { grid-column: 1 / -1; }
.faq__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 clamp(28px, 4.5vw, 72px);
  align-items: start;
}

@media (max-width: 900px) {
  .faq__grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .fold > summary { display: flex; }
}

@media (max-width: 900px) {
  .faq__list { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .catalog, .faq { padding: 62px 0 66px; }
  .catalog .sec-note, .faq .sec-note { max-width: none; text-align: left; }
  .cat__gh { gap: 8px; }
  .cat__gh p { font-size: 10.5px; }
  .faq__item h3 { font-size: 12.5px; }
  .faq__item p { font-size: 11.5px; }
  .prod__price b { font-size: 15px; }
}

.prod__more {
  margin: clamp(26px, 4vh, 44px) 0 0;
  border-top: 1px solid var(--rule);
  padding-top: 16px;
  text-align: right;
}
.prod__more a {
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--ink);
  border-bottom: 1px solid var(--amber);
  padding-bottom: 3px;
}

/* 右上角说明列放宽一点，避免「±0.5KG」被挤到下一行 */
.products .sec-note { max-width: 40ch; }
.catalog .sec-note, .faq .sec-note { max-width: 26em; }

/* ============================================================
   产品卡（一产品一卡：图 / 型号 / 规格 / 建议零售价在同一格里）
   ============================================================ */
.cat__cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(368px, 1fr));
  gap: clamp(9px, .9vw, 13px);
  align-items: stretch;
}
.cat__card {
  display: flex;
  flex-direction: row;
  min-width: 0;
  background: #fbf9f5;
  border: 1px solid rgba(20, 17, 15, .13);
  transition: border-color .3s, background .3s, transform .3s;
}
.cat__card:hover {
  background: #fffdf9;
  border-color: rgba(20, 17, 15, .2);
  transform: translateY(-2px);
}
.cat__shot {
  position: relative;
  flex: 0 0 148px;
  width: 148px;
  min-height: 140px;
  align-self: stretch;
  overflow: hidden;
  background: #fff;
  border-right: 1px solid rgba(20, 17, 15, .06);
}
/* 图片框写死尺寸、绝对居中：不去和百分比较劲，导出就是 480px 高，够用 */
.cat__shot img {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120px;
  height: 120px;
  transform: translate(-50%, -50%);
  object-fit: contain;
  filter: drop-shadow(0 8px 14px rgba(60, 45, 30, .12));
}
.cat__bd {
  display: flex;
  flex-direction: column;
  gap: 5px;
  flex: 1;
  padding: 12px 14px 13px;
}
.cat__cd {
  margin: 0;
  font-size: 9.5px;
  letter-spacing: .18em;
  color: #a97f42;
  font-variant-numeric: tabular-nums;
}
.cat__nm2 {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: .01em;
  color: var(--ink);
}
.cat__sp {
  margin: 0;
  font-size: 10.5px;
  letter-spacing: .02em;
  color: #8d857a;
}
.cat__nt2 {
  margin: 2px 0 0;
  font-size: 11px;
  line-height: 1.75;
  color: #6f675e;
}
.cat__pr {
  margin: auto 0 0;
  padding-top: 9px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  border-top: 1px solid rgba(20, 17, 15, .08);
}
.cat__pr span {
  font-size: 9px;
  letter-spacing: .16em;
  color: #a39a8c;
}
.cat__pr b {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

/* ============================================================
   参数速查表（GEO：表格是 AI 抓取率最高的结构）
   ============================================================ */
.cat__table { margin-top: clamp(32px, 4.6vh, 54px); }
.cat__table .cat__gh { margin-bottom: 12px; }
.cat__table .cat__gh h3 { font-size: 15px; font-weight: 600; letter-spacing: .04em; color: var(--ink); margin: 0; }
.tbl__hint { display: none; margin: 0 0 8px; font-size: 10px; letter-spacing: .08em; color: #8d857a; }
.tbl__scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.tbl {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-size: 11.5px;
  line-height: 1.55;
  background: #fbf9f5;
  border: 1px solid rgba(20, 17, 15, .13);
}
.tbl caption {
  caption-side: top;
  text-align: left;
  font-size: 10.5px;
  line-height: 1.6;
  color: #8d857a;
  padding-bottom: 9px;
}
.tbl th, .tbl td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid rgba(20, 17, 15, .08);
  vertical-align: top;
}
.tbl thead th {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: #6f675e;
  border-bottom: 1px solid rgba(20, 17, 15, .24);
  white-space: nowrap;
}
.tbl tbody tr:last-child td { border-bottom: 0; }
.tbl tbody tr:hover td { background: rgba(200, 160, 99, .07); }
.tbl td b { font-weight: 600; font-variant-numeric: tabular-nums; color: var(--ink); }
.tbl td:last-child, .tbl th:last-child { white-space: nowrap; font-variant-numeric: tabular-nums; }
.tbl__grp th {
  background: #efe9dd;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--ink);
  padding: 6px 12px;
  border-bottom: 1px solid rgba(20, 17, 15, .1);
}
.tbl--std { min-width: 520px; }
.cat__tip {
  margin: 12px 0 0;
  font-size: 11.5px;
  line-height: 1.8;
  color: #6f675e;
  max-width: 64em;
}
/* 分栏已取消，四组全部展开，组之间留出呼吸 */
.cat__panel + .cat__panel .cat__group { margin-top: clamp(34px, 5vh, 58px); }

/* ============================================================
   拆大师实拍三连
   ============================================================ */
.removal__gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(8px, 1.2vw, 14px);
  margin-top: clamp(26px, 4vh, 42px);
}
.removal__gallery figure {
  margin: 0;
  overflow: hidden;
  background: #15130f;
  aspect-ratio: 4 / 3;
}
.removal__gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .8s cubic-bezier(.2, .7, .2, 1);
}
.removal__gallery figure:hover img { transform: scale(1.035); }

/* 地址一行可能要换行，别把标签挤歪 */
.lead__meta dd { line-height: 1.75; }

@media (max-width: 720px) {
  .removal__gallery { grid-template-columns: 1fr; gap: 10px; }
  .removal__gallery figure:nth-child(n+3) { display: none; }
  /* 大表 6 列，手机上横向滚动；标准表 3 列直接压进来，不用滑 */
  .tbl { min-width: 640px; font-size: 10.5px; }
  .tbl th, .tbl td { padding: 7px 9px; }
  .tbl--std { min-width: 0; font-size: 10px; }
  .tbl--std th, .tbl--std td { padding: 6px 7px; }
  .tbl--std td:first-child { width: 34px; }
  .cat__tip { font-size: 11px; }
  .tbl__hint { display: block; }
  .tbl__scroll { padding-bottom: 4px; }

  /* 手机：同样横排，只是整体缩小一号 */
  .cat__cards {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }
  /* 手机上图区略宽一点，图才有存在感 */
  .cat__shot { flex: 0 0 104px; width: 104px; }
  .cat__card:hover { transform: none; }
  .cat__shot {
    flex: 0 0 104px;
    width: 104px;
    min-height: 112px;
  }
  /* 图是绝对定位的，手机上必须单独给尺寸，否则会溢出被裁 */
  .cat__shot img { width: 84px; height: 84px; }
  .cat__bd { padding: 11px 12px 11px; gap: 4px; min-width: 0; }
  .cat__nm2 { font-size: 12.5px; }
  .cat__nt2 { font-size: 10.5px; line-height: 1.7; }
  .cat__pr {
    flex-wrap: wrap;
    padding-top: 8px;
    margin-top: 8px;
  }
  .cat__pr b { font-size: 15px; }
}

@media (max-width: 380px) {
  .cat__shot { flex-basis: 92px; width: 92px; min-height: 100px; }
  .cat__shot img { width: 74px; height: 74px; }
  .cat__nm2 { font-size: 12px; }
}
