:root{--c-primary:#bfa14a;}
@charset "UTF-8";
/* ==========================================================================
   璀璨 CUICAN · 高级珠宝定制
   style.css — 极简黑金 / 超大留白 / 宽字距 / 衬线大字
   ========================================================================== */
@import url("https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&family=Noto+Serif+SC:wght@300;400;500;600&family=Noto+Sans+SC:wght@300;400;500&display=swap");

/* --------------------------------------------------------------------------
   1. 设计令牌
   -------------------------------------------------------------------------- */
:root {
  /* 色彩 */
  --ink: #0b0b0b;          /* 曜黑 */
  --ink-soft: #121212;
  --graphite: #1c1c1c;     /* 深灰 */
  --graphite-2: #262626;
  --gold: #d4af6a;         /* 香槟金 */
  --gold-dim: #b8955a;
  --gold-pale: #e8d9b8;
  --pearl: #f7f4ef;        /* 珍珠白 */
  --pearl-dim: #ece7df;
  --pearl-line: #ddd6ca;

  /* 语义色 */
  --bg: var(--pearl);
  --bg-alt: #f1ece4;
  --text: #1c1c1c;
  --text-mid: #4a4a4a;
  --text-soft: #6f6f6f;

  --bg-dark: var(--ink);
  --bg-dark-alt: var(--graphite);
  --text-dark: #f2ede4;
  --text-dark-mid: #b6b0a6;
  --text-dark-soft: #8b867d;

  /* 字体 */
  --font-display: "Cormorant Garamond", "Noto Serif SC", "Songti SC", "SimSun", serif;
  --font-serif: "Noto Serif SC", "Cormorant Garamond", "Songti SC", serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;

  /* 字号（正文不小于 16px） */
  --fs-body: 1rem;          /* 16px */
  --fs-body-lg: 1.0625rem;  /* 17px */
  --fs-lead: 1.125rem;      /* 18px */
  --fs-small: 0.875rem;     /* 14px */
  --fs-xs: 0.75rem;         /* 12px */
  --fs-h3: clamp(1.375rem, 1.1rem + 1vw, 1.75rem);
  --fs-h2: clamp(2rem, 1.4rem + 2.4vw, 3.5rem);
  --fs-h1: clamp(2.5rem, 1.6rem + 4.4vw, 5.25rem);
  --fs-num: clamp(2.25rem, 1.7rem + 2.2vw, 3.5rem);

  /* 字距（宽字距是本案特征） */
  --ls-tight: 0.01em;
  --ls-body: 0.04em;
  --ls-wide: 0.16em;
  --ls-wider: 0.28em;
  --ls-widest: 0.42em;

  /* 间距 / 留白 */
  --sp-1: 0.5rem;
  --sp-2: 1rem;
  --sp-3: 1.5rem;
  --sp-4: 2rem;
  --sp-5: 3rem;
  --sp-6: 4rem;
  --sp-7: 6rem;
  --sp-8: 8rem;
  --section-y: clamp(5rem, 4rem + 7vw, 10rem);
  --gutter: clamp(1.25rem, 0.6rem + 3vw, 4rem);
  --maxw: 1320px;
  --maxw-text: 780px;

  /* 线条 */
  --line: 1px solid rgba(28, 28, 28, 0.12);
  --line-dark: 1px solid rgba(242, 237, 228, 0.14);
  --line-gold: 1px solid rgba(212, 175, 106, 0.42);

  /* 动效 */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --dur-fast: 240ms;
  --dur: 520ms;
  --dur-slow: 900ms;

  --header-h: 84px;
}

/* --------------------------------------------------------------------------
   2. 基础重置
   -------------------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  font-weight: 300;
  line-height: 1.9;
  letter-spacing: var(--ls-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out-quart);
}

button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.28;
  letter-spacing: var(--ls-wide);
}

p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 4px;
  border-radius: 1px;
}

::selection { background: rgba(212, 175, 106, 0.28); color: inherit; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  padding: 0.9rem 1.5rem;
  background: var(--ink);
  color: var(--pearl);
  letter-spacing: var(--ls-wide);
  font-size: var(--fs-small);
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
  outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   3. 版心与通用排版
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--narrow { max-width: var(--maxw-text); }

.section { padding-block: var(--section-y); }
.section--dark { background: var(--bg-dark); color: var(--text-dark); }
.section--ink { background: var(--graphite); color: var(--text-dark); }
.section--alt { background: var(--bg-alt); }
.section--flush-top { padding-top: 0; }

/* 章节标题组 */
.head {
  max-width: var(--maxw-text);
}
.head--center {
  margin-inline: auto;
  text-align: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 1.75rem;
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 400;
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--gold-dim);
}
.eyebrow::before {
  content: "";
  width: 44px;
  height: 1px;
  background: var(--gold);
  opacity: 0.85;
}
.head--center .eyebrow::before { display: none; }
.head--center .eyebrow::after {
  content: "";
  width: 44px;
  height: 1px;
  background: var(--gold);
  opacity: 0.85;
}

.title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 300;
  letter-spacing: 0.08em;
  line-height: 1.2;
}
.title em {
  font-style: italic;
  font-family: var(--font-display);
  color: var(--gold-dim);
}

.lead {
  margin-top: 1.75rem;
  font-size: var(--fs-lead);
  line-height: 2.05;
  color: var(--text-mid);
  letter-spacing: var(--ls-body);
}
.section--dark .lead,
.section--ink .lead { color: var(--text-dark-mid); }

.divider {
  width: 100%;
  height: 1px;
  background: var(--pearl-line);
  border: 0;
  margin: 0;
}
.section--dark .divider,
.section--ink .divider { background: rgba(242, 237, 228, 0.14); }

/* 金线（动效用） */
.gold-line {
  display: block;
  width: 1px;
  height: 0;
  margin-inline: auto;
  background: var(--gold);
  transition: height var(--dur-slow) var(--ease-out-expo);
}
.gold-line.is-in { height: 72px; }
.gold-line--wide {
  width: 0;
  height: 1px;
  transition: width var(--dur-slow) var(--ease-out-expo);
}
.gold-line--wide.is-in { width: min(240px, 60%); }

/* --------------------------------------------------------------------------
   4. 页头
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(11, 11, 11, 0);
  border-bottom: 1px solid transparent;
  transition: background var(--dur) var(--ease-out-quart),
              border-color var(--dur) var(--ease-out-quart),
              height var(--dur) var(--ease-out-quart);
}
.header__inner {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.header.is-stuck {
  height: 68px;
  background: rgba(11, 11, 11, 0.92);
  border-bottom-color: rgba(212, 175, 106, 0.18);
  backdrop-filter: saturate(120%) blur(6px);
}
/* 浅色页（非首屏深色）滚动后的页头 */
.header.is-light:not(.is-stuck) {
  background: rgba(247, 244, 239, 0.94);
  border-bottom-color: rgba(28, 28, 28, 0.08);
}
.header.is-light:not(.is-stuck) .brand__name,
.header.is-light:not(.is-stuck) .brand__sub { color: var(--ink); }
.header.is-light:not(.is-stuck) .nav__link { color: var(--text-mid); }
.header.is-light:not(.is-stuck) .nav__link:hover,
.header.is-light:not(.is-stuck) .nav__link[aria-current="page"] { color: var(--ink); }
.header.is-light:not(.is-stuck) .nav__link::after { background: var(--gold-dim); }
.header.is-light:not(.is-stuck) .burger span { background: var(--ink); }
.header.is-light.is-stuck { background: rgba(11, 11, 11, 0.94); }
.header.is-light.is-stuck .brand__name,
.header.is-light.is-stuck .brand__sub,
.header.is-light.is-stuck .nav__link { color: var(--pearl); }
.header.is-light.is-stuck .burger span { background: var(--pearl); }

/* 品牌标识 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  flex-shrink: 0;
}
.brand__logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
}
.header.is-light:not(.is-stuck) .brand__logo { filter: none; }
.brand__text { display: flex; flex-direction: column; line-height: 1.25; }
.brand__name {
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  font-weight: 500;
  letter-spacing: 0.32em;
  color: var(--pearl);
  transition: color var(--dur) var(--ease-out-quart);
}
.brand__sub {
  font-size: 0.5625rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--text-dark-soft);
  transition: color var(--dur) var(--ease-out-quart);
}

/* 导航 */
.nav { display: flex; align-items: center; gap: clamp(1.25rem, 2.2vw, 2.75rem); }
.nav__link {
  position: relative;
  display: inline-block;
  padding-block: 0.35rem;
  font-size: var(--fs-small);
  font-weight: 400;
  letter-spacing: var(--ls-wide);
  color: var(--text-dark-mid);
  white-space: nowrap;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width var(--dur) var(--ease-out-expo);
}
.nav__link:hover,
.nav__link[aria-current="page"] { color: var(--gold); }
.nav__link:hover::after,
.nav__link[aria-current="page"]::after { width: 100%; }

.nav__cta {
  display: inline-block;
  padding: 0.7rem 1.5rem;
  border: var(--line-gold);
  color: var(--gold);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  transition: background var(--dur) var(--ease-out-quart),
              color var(--dur) var(--ease-out-quart),
              border-color var(--dur) var(--ease-out-quart);
}
.nav__cta:hover {
  background: var(--gold);
  color: var(--ink);
  border-color: var(--gold);
}
.header.is-light:not(.is-stuck) .nav__cta { color: var(--gold-dim); }
.header.is-light:not(.is-stuck) .nav__cta:hover { color: var(--ink); }

/* 汉堡按钮 */
.burger {
  display: none;
  width: 44px;
  height: 44px;
  position: relative;
  flex-shrink: 0;
}
.burger span {
  position: absolute;
  left: 11px;
  width: 22px;
  height: 1px;
  background: var(--pearl);
  transition: transform var(--dur) var(--ease-out-expo),
              opacity var(--dur-fast) var(--ease-out-quart),
              background var(--dur) var(--ease-out-quart);
}
.burger span:nth-child(1) { top: 17px; }
.burger span:nth-child(2) { top: 22px; }
.burger span:nth-child(3) { top: 27px; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* 移动端抽屉 */
.drawer {
  position: fixed;
  inset: 0;
  z-index: 99;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6rem var(--gutter) 3rem;
  background: var(--ink);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity var(--dur) var(--ease-out-quart),
              transform var(--dur) var(--ease-out-expo),
              visibility var(--dur) step-end;
  overflow-y: auto;
}
.drawer.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition-timing-function: var(--ease-out-quart), var(--ease-out-expo), step-start;
}
.drawer__list { border-top: var(--line-dark); }
.drawer__item { border-bottom: var(--line-dark); }
.drawer__link {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding-block: 1.35rem;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  letter-spacing: 0.18em;
  color: var(--text-dark);
}
.drawer__link:hover,
.drawer__link[aria-current="page"] { color: var(--gold); }
.drawer__num {
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
  color: var(--gold-dim);
}
.drawer__foot {
  margin-top: 3rem;
  font-size: var(--fs-small);
  line-height: 2;
  color: var(--text-dark-soft);
  letter-spacing: var(--ls-body);
}

/* --------------------------------------------------------------------------
   5. 首屏
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-block: calc(var(--header-h) + 4rem) 3rem;
  background: var(--ink);
  color: var(--text-dark);
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
  transform: scale(1.04);
  animation: heroDrift 24s var(--ease-out-expo) forwards;
}
.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 42%, rgba(11, 11, 11, 0.32) 0%, rgba(11, 11, 11, 0.82) 68%, rgba(11, 11, 11, 0.96) 100%);
}
@keyframes heroDrift {
  from { transform: scale(1.04); }
  to   { transform: scale(1); }
}

.hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 980px;
  margin-inline: auto;
  padding-inline: var(--gutter);
  text-align: center;
}
.hero__eyebrow {
  display: block;
  margin-bottom: 2.5rem;
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--gold);
}
.hero__title {
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  font-weight: 300;
  line-height: 1.14;
  letter-spacing: 0.1em;
  color: var(--pearl);
}
.hero__title em {
  display: block;
  font-style: italic;
  color: var(--gold);
  letter-spacing: 0.14em;
}
.hero__rule {
  width: 0;
  height: 1px;
  margin: 2.75rem auto;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  transition: width 1.4s var(--ease-out-expo);
}
.hero__rule.is-in { width: min(420px, 76%); }
.hero__desc {
  max-width: 34em;
  margin-inline: auto;
  font-size: var(--fs-lead);
  line-height: 2.15;
  color: var(--text-dark-mid);
  letter-spacing: var(--ls-wide);
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 1.75rem;
  margin-top: 3.5rem;
}
.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 2rem;
  z-index: 1;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--text-dark-soft);
}
.hero__scroll i {
  display: block;
  width: 1px;
  height: 46px;
  background: linear-gradient(180deg, var(--gold), transparent);
  animation: scrollHint 2.6s var(--ease-out-quart) infinite;
  transform-origin: top;
}
@keyframes scrollHint {
  0%   { transform: scaleY(0); opacity: 0; }
  35%  { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1); opacity: 0; }
}

/* --------------------------------------------------------------------------
   6. 按钮
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  padding: 1.05rem 2.5rem;
  border: 1px solid var(--gold);
  background: transparent;
  color: var(--gold);
  font-family: var(--font-sans);
  font-size: var(--fs-small);
  font-weight: 400;
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--dur) var(--ease-out-quart),
              color var(--dur) var(--ease-out-quart),
              border-color var(--dur) var(--ease-out-quart);
}
.btn:hover { background: var(--gold); color: var(--ink); }
.btn--solid { background: var(--gold); color: var(--ink); }
.btn--solid:hover { background: transparent; color: var(--gold); }
.btn--ghost {
  border-color: rgba(247, 244, 239, 0.28);
  color: var(--pearl);
}
.btn--ghost:hover {
  border-color: var(--gold);
  background: transparent;
  color: var(--gold);
}
.btn--dark {
  border-color: rgba(28, 28, 28, 0.32);
  color: var(--ink);
}
.btn--dark:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--pearl);
}
.btn--block { width: 100%; }

/* 文字型链接 */
.link-more {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--fs-small);
  letter-spacing: var(--ls-wide);
  color: var(--gold-dim);
}
.link-more i {
  display: block;
  width: 34px;
  height: 1px;
  background: var(--gold-dim);
  transition: width var(--dur) var(--ease-out-expo);
}
.link-more:hover i { width: 52px; }
.section--dark .link-more,
.section--ink .link-more { color: var(--gold); }
.section--dark .link-more i,
.section--ink .link-more i { background: var(--gold); }

/* --------------------------------------------------------------------------
   7. 页面大标题（内页）
   -------------------------------------------------------------------------- */
.pagehead {
  position: relative;
  padding-block: calc(var(--header-h) + clamp(4rem, 3rem + 5vw, 8rem)) clamp(3.5rem, 2.5rem + 4vw, 6.5rem);
  background: var(--ink);
  color: var(--text-dark);
  overflow: hidden;
}
.pagehead__bg {
  position: absolute;
  inset: 0;
}
.pagehead__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}
.pagehead__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 11, 11, 0.72), rgba(11, 11, 11, 0.94));
}
.pagehead__inner {
  position: relative;
  z-index: 1;
  max-width: 900px;
}
.pagehead__eyebrow {
  display: block;
  margin-bottom: 1.75rem;
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--gold);
}
.pagehead__title {
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  font-weight: 300;
  letter-spacing: 0.1em;
  line-height: 1.16;
  color: var(--pearl);
}
.pagehead__title em {
  font-style: italic;
  color: var(--gold);
}
.pagehead__desc {
  max-width: 38em;
  margin-top: 2rem;
  font-size: var(--fs-lead);
  line-height: 2.1;
  color: var(--text-dark-mid);
  letter-spacing: var(--ls-body);
}

.crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
  margin-top: 2.5rem;
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
  color: var(--text-dark-soft);
}
.crumb a:hover { color: var(--gold); }
.crumb span[aria-current] { color: var(--gold); }
.crumb i { width: 18px; height: 1px; background: rgba(242, 237, 228, 0.3); }

/* --------------------------------------------------------------------------
   8. 系列横向陈列
   -------------------------------------------------------------------------- */
.rail {
  position: relative;
  margin-top: clamp(3rem, 2rem + 4vw, 5.5rem);
}
.rail__track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(300px, 1fr);
  gap: clamp(1.25rem, 2.5vw, 2.5rem);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  padding-bottom: 0.5rem;
  -webkit-overflow-scrolling: touch;
}
.rail__track::-webkit-scrollbar { display: none; }

.series {
  scroll-snap-align: start;
  display: block;
  group: series;
}
.series__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 4;
  background: var(--pearl-dim);
}
.series__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease-out-expo), filter var(--dur) var(--ease-out-quart);
  filter: saturate(88%);
}
.series:hover .series__media img { transform: scale(1.045); filter: saturate(104%); }
.series__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(11, 11, 11, 0.55));
  opacity: 0;
  transition: opacity var(--dur) var(--ease-out-quart);
}
.series:hover .series__media::after { opacity: 1; }

.series__body {
  padding-top: 1.75rem;
}
.series__no {
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wider);
  color: var(--gold-dim);
}
.series__name {
  margin-top: 0.65rem;
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 400;
  letter-spacing: 0.2em;
}
.series__en {
  margin-top: 0.5rem;
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--fs-small);
  letter-spacing: var(--ls-wide);
  color: var(--text-soft);
}
.series__note {
  margin-top: 1rem;
  font-size: var(--fs-small);
  line-height: 1.95;
  color: var(--text-mid);
}

/* 轨道控制 */
.rail__ctrl {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-top: 2.5rem;
}
.rail__btn {
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: var(--line);
  color: var(--text-mid);
  transition: border-color var(--dur-fast) var(--ease-out-quart),
              color var(--dur-fast) var(--ease-out-quart),
              background var(--dur-fast) var(--ease-out-quart);
}
.rail__btn:hover {
  border-color: var(--gold);
  color: var(--gold);
}
.rail__btn[disabled] { opacity: 0.3; cursor: default; }
.rail__btn[disabled]:hover { border-color: rgba(28,28,28,0.12); color: var(--text-mid); }
.rail__dots { display: flex; gap: 0.6rem; }
.rail__dot {
  width: 22px;
  height: 1px;
  background: rgba(28, 28, 28, 0.2);
  transition: background var(--dur) var(--ease-out-quart);
}
.rail__dot[aria-current="true"] { background: var(--gold); }

/* --------------------------------------------------------------------------
   9. 图文并置 / 工艺
   -------------------------------------------------------------------------- */
.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2.5rem, 5vw, 6rem);
  align-items: center;
}
.split--reverse .split__media { order: 2; }
.split__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: var(--graphite);
}
.split__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(90%);
  transition: transform 1.4s var(--ease-out-expo);
}
.split:hover .split__media img { transform: scale(1.03); }
.split__tag {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 0.85rem 1.5rem;
  background: rgba(11, 11, 11, 0.86);
  color: var(--gold);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
}
.split__body { max-width: 34em; }

/* 步骤 / 流程 */
.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(1.5rem, 3vw, 3rem);
  margin-top: clamp(3rem, 2rem + 4vw, 5rem);
}
.step {
  position: relative;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(242, 237, 228, 0.16);
}
.step__no {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 300;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--gold);
}
.step__name {
  margin-top: 1.25rem;
  font-family: var(--font-serif);
  font-size: 1.125rem;
  letter-spacing: 0.18em;
  color: var(--pearl);
}
.step__desc {
  margin-top: 0.9rem;
  font-size: var(--fs-small);
  line-height: 1.95;
  color: var(--text-dark-soft);
  letter-spacing: var(--ls-body);
}
/* 浅底变体 */
.steps--light .step { border-top-color: rgba(28, 28, 28, 0.12); }
.steps--light .step__name { color: var(--ink); }
.steps--light .step__desc { color: var(--text-mid); }
/* 两列变体（窄屏降级由响应式统一处理） */
.steps--pair { grid-template-columns: repeat(2, minmax(0, 1fr)); }

/* --------------------------------------------------------------------------
   10. 数据
   -------------------------------------------------------------------------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(3rem, 2rem + 4vw, 5rem);
  background: rgba(242, 237, 228, 0.14);
  border: 1px solid rgba(242, 237, 228, 0.14);
}
.stat {
  padding: clamp(2rem, 1.2rem + 2vw, 3.25rem) clamp(1rem, 2vw, 2rem);
  background: var(--ink);
  text-align: center;
}
.stat__num {
  font-family: var(--font-display);
  font-size: var(--fs-num);
  font-weight: 300;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--gold);
}
.stat__unit {
  font-size: 1rem;
  letter-spacing: 0.08em;
  color: var(--gold-dim);
  margin-left: 0.15em;
}
.stat__label {
  margin-top: 1.1rem;
  font-size: var(--fs-small);
  letter-spacing: var(--ls-wide);
  color: var(--text-dark-soft);
}

/* --------------------------------------------------------------------------
   11. 卡片：服务 / 案例 / 资讯
   -------------------------------------------------------------------------- */
.grid {
  display: grid;
  gap: clamp(2rem, 3.5vw, 3.5rem);
  margin-top: clamp(3rem, 2rem + 4vw, 5rem);
}
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card { display: flex; flex-direction: column; }
.card__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--pearl-dim);
}
.card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(88%);
  transition: transform 1.2s var(--ease-out-expo), filter var(--dur) var(--ease-out-quart);
}
.card:hover .card__media img { transform: scale(1.05); filter: saturate(104%); }
.card__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding-top: 1.75rem;
  border-top: 1px solid rgba(28, 28, 28, 0.1);
  margin-top: 1.75rem;
}
.card__meta {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
  color: var(--gold-dim);
}
.card__title {
  margin-top: 1rem;
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  line-height: 1.5;
}
.card__excerpt {
  margin-top: 1rem;
  font-size: var(--fs-body);
  line-height: 2;
  color: var(--text-mid);
  letter-spacing: var(--ls-body);
}
.card__foot { margin-top: auto; padding-top: 1.75rem; }

/* 服务卡（数字编号 + 细线） */
.svc {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(2rem, 1.4rem + 2vw, 3rem);
  background: var(--pearl);
  border: 1px solid rgba(28, 28, 28, 0.1);
  transition: border-color var(--dur) var(--ease-out-quart),
              transform var(--dur) var(--ease-out-quart);
}
.svc:hover { border-color: rgba(212, 175, 106, 0.55); transform: translateY(-4px); }
.section--dark .svc,
.section--ink .svc {
  background: transparent;
  border-color: rgba(242, 237, 228, 0.14);
}
.section--dark .svc:hover,
.section--ink .svc:hover { border-color: rgba(212, 175, 106, 0.6); }
.svc__no {
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wider);
  color: var(--gold-dim);
}
.svc__title {
  margin-top: 1.25rem;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 0.16em;
}
.svc__en {
  margin-top: 0.5rem;
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--fs-small);
  letter-spacing: var(--ls-wide);
  color: var(--text-soft);
}
.section--dark .svc__en,
.section--ink .svc__en { color: var(--text-dark-soft); }
.svc__desc {
  margin-top: 1.25rem;
  font-size: var(--fs-body);
  line-height: 2;
  color: var(--text-mid);
}
.section--dark .svc__desc,
.section--ink .svc__desc { color: var(--text-dark-soft); }
.svc__list {
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(28, 28, 28, 0.1);
}
.section--dark .svc__list,
.section--ink .svc__list { border-top-color: rgba(242, 237, 228, 0.14); }
.svc__list li {
  position: relative;
  padding-left: 1.35rem;
  font-size: var(--fs-small);
  line-height: 2.1;
  color: var(--text-mid);
  letter-spacing: var(--ls-body);
}
.section--dark .svc__list li,
.section--ink .svc__list li { color: var(--text-dark-soft); }
.svc__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.02em;
  width: 8px;
  height: 1px;
  background: var(--gold-dim);
}
.svc__foot { margin-top: auto; padding-top: 2rem; }

/* --------------------------------------------------------------------------
   12. 匠人
   -------------------------------------------------------------------------- */
.masters {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.5rem, 3vw, 3rem);
  margin-top: clamp(3rem, 2rem + 4vw, 5rem);
}
.master__media {
  overflow: hidden;
  aspect-ratio: 1 / 1;
  background: var(--graphite);
  filter: grayscale(28%);
}
.master__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease-out-expo), filter var(--dur) var(--ease-out-quart);
}
.master:hover .master__media { filter: grayscale(0%); }
.master:hover .master__media img { transform: scale(1.04); }
.master__name {
  margin-top: 1.5rem;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  letter-spacing: 0.2em;
}
.master__role {
  margin-top: 0.5rem;
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wider);
  color: var(--gold-dim);
}
.master__desc {
  margin-top: 1rem;
  font-size: var(--fs-small);
  line-height: 2;
  color: var(--text-mid);
}

/* --------------------------------------------------------------------------
   13. 引言
   -------------------------------------------------------------------------- */
.quote {
  max-width: 900px;
  margin-inline: auto;
  text-align: center;
}
.quote__text {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.25rem);
  font-weight: 300;
  font-style: italic;
  line-height: 1.7;
  letter-spacing: 0.08em;
}
.quote__by {
  margin-top: 2.5rem;
  font-size: var(--fs-small);
  letter-spacing: var(--ls-wider);
  color: var(--gold-dim);
}

/* --------------------------------------------------------------------------
   14. 门店
   -------------------------------------------------------------------------- */
.stores {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(3rem, 2rem + 4vw, 5rem);
  background: rgba(28, 28, 28, 0.1);
  border: 1px solid rgba(28, 28, 28, 0.1);
}
.store {
  padding: clamp(2rem, 1.4rem + 2vw, 3rem);
  background: var(--pearl);
}
.store__city {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  letter-spacing: 0.24em;
}
.store__line {
  width: 32px;
  height: 1px;
  margin-block: 1.25rem;
  background: var(--gold);
}
.store__addr,
.store__tel {
  font-size: var(--fs-body);
  line-height: 2;
  color: var(--text-mid);
  letter-spacing: var(--ls-body);
}
.store__tel { display: inline-block; margin-top: 0.5rem; }
.store__tel:hover { color: var(--gold-dim); }

/* --------------------------------------------------------------------------
   15. CTA
   -------------------------------------------------------------------------- */
.cta {
  position: relative;
  padding-block: clamp(5rem, 4rem + 6vw, 9rem);
  background: var(--ink);
  color: var(--text-dark);
  overflow: hidden;
}
.cta__bg { position: absolute; inset: 0; }
.cta__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.24;
}
.cta__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 11, 11, 0.78), rgba(11, 11, 11, 0.92));
}
.cta__inner {
  position: relative;
  z-index: 1;
  max-width: 820px;
  margin-inline: auto;
  text-align: center;
}
.cta__title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 300;
  letter-spacing: 0.1em;
  line-height: 1.3;
  color: var(--pearl);
}
.cta__title em { font-style: italic; color: var(--gold); }
.cta__desc {
  margin-top: 1.75rem;
  font-size: var(--fs-lead);
  line-height: 2.1;
  color: var(--text-dark-mid);
  letter-spacing: var(--ls-body);
}
.cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 1.75rem;
  margin-top: 3rem;
}

/* --------------------------------------------------------------------------
   16. 表单
   -------------------------------------------------------------------------- */
.form { margin-top: clamp(2.5rem, 2rem + 3vw, 4rem); }
.form__row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.75rem;
}
.field { display: flex; flex-direction: column; margin-bottom: 1.75rem; }
.field__label {
  margin-bottom: 0.75rem;
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--text-mid);
}
.field__label i { color: var(--gold-dim); font-style: normal; margin-left: 0.25rem; }
.section--dark .field__label,
.section--ink .field__label { color: var(--text-dark-soft); }

.field__input,
.field__select,
.field__textarea {
  width: 100%;
  padding: 0.95rem 0;
  border: 0;
  border-bottom: 1px solid rgba(28, 28, 28, 0.22);
  border-radius: 0;
  background: transparent;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  font-weight: 300;
  letter-spacing: var(--ls-body);
  line-height: 1.8;
  transition: border-color var(--dur) var(--ease-out-quart);
  -webkit-appearance: none;
  appearance: none;
}
.field__textarea { min-height: 148px; resize: vertical; }
.field__select {
  background-image: linear-gradient(45deg, transparent 50%, var(--gold-dim) 50%),
                    linear-gradient(135deg, var(--gold-dim) 50%, transparent 50%);
  background-position: calc(100% - 10px) calc(50% + 2px), calc(100% - 5px) calc(50% + 2px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 1.75rem;
}
.field__input:focus,
.field__select:focus,
.field__textarea:focus {
  outline: none;
  border-bottom-color: var(--gold);
}
.field__input:focus-visible,
.field__select:focus-visible,
.field__textarea:focus-visible { outline: none; }
.field__input::placeholder,
.field__textarea::placeholder { color: rgba(28, 28, 28, 0.32); }

.section--dark .field__input,
.section--dark .field__select,
.section--dark .field__textarea,
.section--ink .field__input,
.section--ink .field__select,
.section--ink .field__textarea {
  color: var(--pearl);
  border-bottom-color: rgba(242, 237, 228, 0.24);
}
.section--dark .field__input:focus,
.section--dark .field__select:focus,
.section--dark .field__textarea:focus,
.section--ink .field__input:focus,
.section--ink .field__select:focus,
.section--ink .field__textarea:focus { border-bottom-color: var(--gold); }
.section--dark .field__input::placeholder,
.section--dark .field__textarea::placeholder,
.section--ink .field__input::placeholder,
.section--ink .field__textarea::placeholder { color: rgba(242, 237, 228, 0.34); }

.field.is-invalid .field__input,
.field.is-invalid .field__select,
.field.is-invalid .field__textarea {
  border-bottom-color: #a8563f;
}
.field__error {
  min-height: 1.4em;
  margin-top: 0.5rem;
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-body);
  color: #a8563f;
}

.form__consent {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin-top: 0.5rem;
  font-size: var(--fs-small);
  line-height: 1.9;
  color: var(--text-mid);
  letter-spacing: var(--ls-body);
}
.form__consent input {
  flex-shrink: 0;
  width: 15px;
  height: 15px;
  margin-top: 0.42em;
  accent-color: var(--gold-dim);
}
.form__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem 2rem;
  margin-top: 2.5rem;
}
.form__note {
  font-size: var(--fs-xs);
  line-height: 1.9;
  color: var(--text-soft);
  letter-spacing: var(--ls-body);
}
.form__status {
  margin-top: 1.75rem;
  padding: 1rem 1.25rem;
  border: var(--line-gold);
  font-size: var(--fs-small);
  letter-spacing: var(--ls-body);
  color: var(--gold-dim);
  display: none;
}
.form__status.is-show { display: block; }

/* 联系信息块 */
.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(2.5rem, 2rem + 3vw, 4rem);
  background: rgba(242, 237, 228, 0.14);
  border: 1px solid rgba(242, 237, 228, 0.14);
}
.info {
  padding: clamp(1.75rem, 1.2rem + 2vw, 2.75rem);
  background: var(--ink);
}
.info__label {
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--gold-dim);
}
.info__value {
  margin-top: 1rem;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  line-height: 1.7;
  letter-spacing: 0.1em;
  color: var(--pearl);
}
.info__value a:hover { color: var(--gold); }
.info__note {
  margin-top: 0.75rem;
  font-size: var(--fs-small);
  line-height: 1.95;
  color: var(--text-dark-soft);
  letter-spacing: var(--ls-body);
}

/* --------------------------------------------------------------------------
   17. FAQ 手风琴
   -------------------------------------------------------------------------- */
.faq { margin-top: clamp(2.5rem, 2rem + 3vw, 4rem); border-top: var(--line); }
.section--dark .faq,
.section--ink .faq { border-top-color: rgba(242, 237, 228, 0.14); }
.faq__item { border-bottom: var(--line); }
.section--dark .faq__item,
.section--ink .faq__item { border-bottom-color: rgba(242, 237, 228, 0.14); }
.faq__q {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1.6rem;
  text-align: left;
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  line-height: 1.7;
  color: inherit;
  transition: color var(--dur-fast) var(--ease-out-quart);
}
.faq__q:hover { color: var(--gold-dim); }
.section--dark .faq__q:hover,
.section--ink .faq__q:hover { color: var(--gold); }
.faq__mark {
  position: relative;
  flex-shrink: 0;
  width: 14px;
  height: 14px;
  margin-top: 0.5rem;
}
.faq__mark::before,
.faq__mark::after {
  content: "";
  position: absolute;
  background: var(--gold-dim);
  transition: transform var(--dur) var(--ease-out-expo), opacity var(--dur-fast) linear;
}
.faq__mark::before { top: 50%; left: 0; width: 14px; height: 1px; margin-top: -0.5px; }
.faq__mark::after { left: 50%; top: 0; width: 1px; height: 14px; margin-left: -0.5px; }
.faq__item.is-open .faq__mark::after { transform: rotate(90deg); opacity: 0; }
.faq__a {
  overflow: hidden;
  height: 0;
  transition: height var(--dur) var(--ease-out-expo);
}
.faq__a > div {
  padding-bottom: 1.75rem;
  max-width: 62ch;
  font-size: var(--fs-body);
  line-height: 2.1;
  color: var(--text-mid);
  letter-spacing: var(--ls-body);
}
.section--dark .faq__a > div,
.section--ink .faq__a > div { color: var(--text-dark-soft); }

/* --------------------------------------------------------------------------
   18. 规格表 / 列表
   -------------------------------------------------------------------------- */
.spec {
  margin-top: clamp(2rem, 1.5rem + 2vw, 3rem);
  border-top: var(--line);
}
.section--dark .spec,
.section--ink .spec { border-top-color: rgba(242, 237, 228, 0.14); }
.spec__row {
  display: grid;
  grid-template-columns: minmax(120px, 200px) 1fr;
  gap: 1.5rem;
  padding-block: 1.25rem;
  border-bottom: var(--line);
}
.section--dark .spec__row,
.section--ink .spec__row { border-bottom-color: rgba(242, 237, 228, 0.14); }
.spec__key {
  font-size: var(--fs-small);
  letter-spacing: var(--ls-wide);
  color: var(--gold-dim);
}
.spec__val {
  font-size: var(--fs-body);
  line-height: 1.95;
  color: var(--text-mid);
}
.section--dark .spec__val,
.section--ink .spec__val { color: var(--text-dark-soft); }

/* --------------------------------------------------------------------------
   19. 文章正文
   -------------------------------------------------------------------------- */
.article { max-width: var(--maxw-text); }
.article__body { margin-top: 3rem; }
.article__body > * + * { margin-top: 1.75rem; }
.article__body p {
  font-size: var(--fs-body-lg);
  line-height: 2.15;
  letter-spacing: var(--ls-body);
  color: #33312e;
}
.article__body h2 {
  margin-top: 3.5rem;
  font-family: var(--font-serif);
  font-size: clamp(1.375rem, 1.1rem + 1vw, 1.75rem);
  font-weight: 500;
  letter-spacing: 0.14em;
}
.article__body h3 {
  margin-top: 2.75rem;
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--gold-dim);
}
.article__body blockquote {
  margin: 3rem 0;
  padding-left: 2rem;
  border-left: 1px solid var(--gold);
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-style: italic;
  line-height: 1.95;
  letter-spacing: 0.06em;
  color: var(--ink);
}
.article__body ul { margin-top: 1.75rem; }
.article__body ul li {
  position: relative;
  padding-left: 1.5rem;
  font-size: var(--fs-body-lg);
  line-height: 2.05;
  letter-spacing: var(--ls-body);
  color: #33312e;
}
.article__body ul li + li { margin-top: 0.75rem; }
.article__body ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.1em;
  width: 9px;
  height: 1px;
  background: var(--gold-dim);
}
.article__figure { margin: 3.5rem 0; }
.article__figure img { width: 100%; }
.article__figcap {
  margin-top: 1rem;
  font-size: var(--fs-small);
  letter-spacing: var(--ls-wide);
  color: var(--text-soft);
  text-align: center;
}

.article__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem;
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
  color: var(--text-soft);
}
.article__meta .tag {
  padding: 0.35rem 0.85rem;
  border: 1px solid rgba(212, 175, 106, 0.5);
  color: var(--gold-dim);
}
.article__share {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: var(--line);
  font-size: var(--fs-small);
  letter-spacing: var(--ls-wide);
  color: var(--text-soft);
}

.pager {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 3.5rem;
  background: rgba(28, 28, 28, 0.1);
  border: 1px solid rgba(28, 28, 28, 0.1);
}
.pager__item {
  padding: 1.75rem;
  background: var(--pearl);
  transition: background var(--dur) var(--ease-out-quart);
}
.pager__item:hover { background: var(--bg-alt); }
.pager__item--next { text-align: right; }
.pager__label {
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--gold-dim);
}
.pager__title {
  margin-top: 0.65rem;
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 1.7;
  letter-spacing: 0.1em;
}
.pager__item:hover .pager__title { color: var(--gold-dim); }

/* 筛选条 */
.filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  margin-top: clamp(2.5rem, 2rem + 2vw, 3.5rem);
  padding-bottom: 1.5rem;
  border-bottom: var(--line);
}
.filter {
  padding: 0.55rem 1.25rem;
  border: 1px solid rgba(28, 28, 28, 0.14);
  font-size: var(--fs-small);
  letter-spacing: var(--ls-wide);
  color: var(--text-mid);
  transition: border-color var(--dur-fast) var(--ease-out-quart),
              color var(--dur-fast) var(--ease-out-quart),
              background var(--dur-fast) var(--ease-out-quart);
}
.filter:hover { border-color: rgba(212, 175, 106, 0.6); color: var(--gold-dim); }
.filter[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--pearl);
}

/* --------------------------------------------------------------------------
   20. 页脚
   -------------------------------------------------------------------------- */
.footer {
  padding-block: clamp(3.5rem, 3rem + 4vw, 6rem) 2rem;
  background: var(--ink);
  color: var(--text-dark-soft);
}
.footer__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: clamp(2rem, 4vw, 4rem);
  padding-bottom: clamp(2.5rem, 2rem + 3vw, 4rem);
}
.footer__logo { width: 52px; height: 52px; object-fit: contain; }
.footer__name {
  margin-top: 1.25rem;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.32em;
  color: var(--pearl);
}
.footer__slogan {
  margin-top: 1rem;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1rem;
  letter-spacing: 0.1em;
  color: var(--text-dark-soft);
}
.footer__desc {
  margin-top: 1.5rem;
  max-width: 26em;
  font-size: var(--fs-small);
  line-height: 2;
  color: var(--text-dark-soft);
}
.footer__title {
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
}
.footer__list li + li { margin-top: 0.85rem; }
.footer__list a,
.footer__list span {
  font-size: var(--fs-small);
  line-height: 1.9;
  letter-spacing: var(--ls-body);
  color: var(--text-dark-soft);
}
.footer__list a:hover { color: var(--gold); }
.footer__contact p {
  font-size: var(--fs-small);
  line-height: 2.05;
  letter-spacing: var(--ls-body);
}
.footer__contact a:hover { color: var(--gold); }
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(242, 237, 228, 0.12);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
}
.footer__bottom a:hover { color: var(--gold); }

/* --------------------------------------------------------------------------
   21. 入场动效
   -------------------------------------------------------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity var(--dur-slow) var(--ease-out-expo),
              transform var(--dur-slow) var(--ease-out-expo);
  transition-delay: var(--d, 0ms);
  will-change: opacity, transform;
}
[data-reveal].is-in {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal="line"] { transform: none; }

/* --------------------------------------------------------------------------
   22. 响应式
   -------------------------------------------------------------------------- */
@media (max-width: 1180px) {
  .nav { gap: 1.25rem; }
  .nav__link { font-size: var(--fs-xs); letter-spacing: 0.1em; }
  .nav__cta { padding: 0.6rem 1.1rem; letter-spacing: 0.16em; }
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 1024px) {
  :root { --header-h: 72px; }
  .nav { display: none; }
  .burger { display: block; }
  .split,
  .split--reverse .split__media { grid-template-columns: minmax(0, 1fr); order: 0; }
  .split { gap: 2.5rem; }
  .split--reverse .split__body { order: 1; }
  .steps,
  .masters,
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__top { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .hero { min-height: auto; padding-block: calc(var(--header-h) + 5rem) 5rem; }
  .hero__scroll { display: none; }
  .steps,
  .masters,
  .grid--2,
  .grid--3,
  .grid--4,
  .stores,
  .info-grid,
  .form__row,
  .pager { grid-template-columns: minmax(0, 1fr); }
  .pager__item--next { text-align: left; }
  .rail__track { grid-auto-columns: minmax(260px, 84%); }
  .spec__row { grid-template-columns: minmax(0, 1fr); gap: 0.5rem; }
}

@media (max-width: 640px) {
  :root { --ls-widest: 0.3em; }
  body { line-height: 1.85; }
  .footer__top { grid-template-columns: minmax(0, 1fr); gap: 2.5rem; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .hero__actions .btn,
  .cta__actions .btn { width: 100%; }
  .rail__track { grid-auto-columns: minmax(0, 88%); }
  .steps,
  .stats,
  .masters { grid-template-columns: minmax(0, 1fr); }
  .step { padding-top: 1.75rem; }
}

/* --------------------------------------------------------------------------
   23. 无障碍：减少动效
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .gold-line { height: 72px; }
  .gold-line--wide { width: min(240px, 60%); }
  .hero__rule { width: min(420px, 76%); }
  .hero__bg img { transform: none; }
}

/* --------------------------------------------------------------------------
   24. 打印
   -------------------------------------------------------------------------- */
@media print {
  .header, .drawer, .hero__scroll, .footer { display: none; }
  body { background: #fff; color: #000; }
}


/* ===== CMS helpers ===== */
.form-alert{padding:12px 16px;border-radius:8px;margin:0 0 16px;font-size:.92rem;line-height:1.6}
.form-alert-ok{background:rgba(46,160,67,.08);border:1px solid rgba(46,160,67,.35);color:#2ea043}
.form-alert-err{background:rgba(220,53,69,.08);border:1px solid rgba(220,53,69,.35);color:#dc3545}
.form-alert ul{margin:0;padding-left:18px}
.cms-pager{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:44px 0 0}
.cms-pager a,.cms-pager span{min-width:38px;padding:8px 13px;border:1px solid rgba(128,128,128,.35);border-radius:6px;text-align:center;text-decoration:none;color:inherit}
.cms-pager .active{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.detail-page{max-width:1100px;margin:0 auto;padding:72px 24px}
.detail-media{width:100%;max-height:520px;object-fit:cover;border-radius:14px;margin-bottom:26px;display:block}
.detail-title{font-size:clamp(26px,3vw,38px);line-height:1.3;margin-bottom:12px}
.detail-meta{color:#777;font-size:.95rem;margin-bottom:20px}
.detail-body{line-height:1.9;color:#444}
.detail-body p{margin-bottom:1em}
.detail-body img{max-width:100%;height:auto;border-radius:10px}
.detail-back{display:inline-block;margin-top:28px;padding:11px 26px;border:1px solid rgba(128,128,128,.4);border-radius:999px;text-decoration:none;color:inherit}
/* ===== 深色 banner 标题白字（避免 h1 与背景同色不可读） ===== */
.banner--ink h1,.banner--purple h1,.banner--coral h1{color:#fff}
/* ===== 阅读全文按钮（硬边 neo-brutalist 风格） ===== */
.news-item .more{display:inline-block;margin-top:14px;padding:10px 20px;background:var(--c-ink);color:#fff;border:var(--border-2);box-shadow:var(--shadow-sm);font-family:var(--font-en);font-weight:800;font-size:.85rem;letter-spacing:.02em;text-decoration:none;transition:transform .12s ease,box-shadow .12s ease,background .12s ease}
.news-item .more:hover{background:var(--c-coral);transform:translate(-2px,-2px);box-shadow:var(--shadow)}
/* ===== 留言板一行一个 input（01 翰墨轩） ===== */
.form-grid{grid-template-columns:1fr}