/* ═══════════════════════════════════════════════
   白泽造物 BAIZAN WORKS — 官网全域焕新
   纸 · 墨 · 黛青 · 金 —— 东方编辑式叙事
   ═══════════════════════════════════════════════ */

:root {
  --paper:      #f4efe3;
  --paper-2:    #ece4d0;
  --ink:        #15211d;
  --ink-2:      #1c2c27;
  --ink-soft:   rgba(21, 33, 29, .72);
  --teal:       #1e5049;
  --teal-deep:  #14332e;
  --teal-bright:#2e7a6e;
  --gold:       #b28a3e;
  --gold-bright:#cfa95c;
  --gold-deep:  #8a6a24;
  --line:       rgba(21, 33, 29, .16);
  --line-light: rgba(244, 239, 227, .18);
  --serif: "Noto Serif SC", "Songti SC", "STSong", "STZhongsong", "SimSun", serif;
  --kai:   "Kaiti SC", "KaiTi", "STKaiti", "TW-Kai", serif;
  --sans:  "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --mono:  "SF Mono", "Cascadia Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --gutter: clamp(1.25rem, 4vw, 4.5rem);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
::selection { background: var(--gold); color: #fff; }

/* 自定义滚动条 */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--paper-2); }
::-webkit-scrollbar-thumb { background: var(--teal); border: 2px solid var(--paper-2); }
::-webkit-scrollbar-thumb:hover { background: var(--gold); }

img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
em { font-style: normal; color: var(--gold); }

.mono {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .22em;
  text-transform: uppercase;
}
.br-pc { display: none; }
@media (min-width: 860px) { .br-pc { display: inline; } }

/* 链接下划线：1px 25% → 100% */
.u-link, .nav__links a {
  background: linear-gradient(currentColor, currentColor) no-repeat 0 100% / 100% 1px;
  padding-bottom: 2px;
  background-size: 100% 1px;
  background-image: linear-gradient(currentColor, currentColor);
  background-blend-mode: normal;
  transition: opacity .25s ease-out;
}
.nav__links a { background-image: linear-gradient(rgba(21,33,29,.25), rgba(21,33,29,.25)); }
.nav__links a:hover { background-image: linear-gradient(currentColor, currentColor); }
.nav--solid .nav__links a { background-image: linear-gradient(rgba(244,239,227,.28), rgba(244,239,227,.28)); }
.nav--solid .nav__links a:hover { background-image: linear-gradient(currentColor, currentColor); }

/* ────────── 进场动效 ────────── */
.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity .9s cubic-bezier(.22, 1, .36, 1), transform .9s cubic-bezier(.22, 1, .36, 1);
}
.reveal.is-in { opacity: 1; transform: none; }

/* ══════════ 导航 ══════════ */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem var(--gutter);
  color: var(--ink);
  transition: transform .45s cubic-bezier(.22, 1, .36, 1), background .45s ease, color .45s ease;
}
.nav--hidden { transform: translateY(-100%); }
.nav--solid {
  background: rgba(21, 33, 29, .82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-light);
  color: var(--paper);
}
.nav__brand { display: flex; align-items: center; gap: .7rem; }
.nav__emblem {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--paper);
  object-fit: cover;
}
.nav__wordmark { display: flex; flex-direction: column; line-height: 1.25; }
.nav__cn { font-family: var(--serif); font-size: 1.05rem; letter-spacing: .18em; }
.nav__en { font-family: var(--mono); font-size: .56rem; letter-spacing: .3em; opacity: .75; }

.nav__links { display: flex; gap: clamp(1rem, 2.4vw, 2.2rem); align-items: center; }
.nav__links a { display: flex; flex-direction: column; align-items: center; line-height: 1.4; }
.lk-en { font-family: var(--mono); font-size: .56rem; letter-spacing: .2em; text-transform: uppercase; opacity: .55; }
.lk-cn { font-family: var(--serif); font-size: .9rem; letter-spacing: .28em; padding-left: .28em; }
.nav__cta .lk-cn { color: var(--gold-deep); }
.nav--solid .nav__cta .lk-cn { color: var(--gold-bright); }

.nav__qr { display: none; }

.nav__burger {
  display: none; background: none; border: 0; cursor: pointer;
  width: 40px; height: 40px; position: relative; z-index: 60;
}
.nav__burger span {
  position: absolute; left: 8px; right: 8px; height: 1.5px;
  background: currentColor; transition: transform .35s ease, top .35s ease;
}
.nav__burger span:nth-child(1) { top: 15px; }
.nav__burger span:nth-child(2) { top: 24px; }
.nav__burger[aria-expanded="true"] { color: var(--paper); }
.nav__burger[aria-expanded="true"] span:nth-child(1) { top: 19px; transform: rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2) { top: 19px; transform: rotate(-45deg); }

@media (max-width: 860px) {
  .nav__burger { display: block; }
  .nav__links {
    position: fixed; inset: 0; z-index: 55;
    flex-direction: column; justify-content: center; gap: 2rem;
    background: var(--ink); color: var(--paper);
    opacity: 0; pointer-events: none;
    transition: opacity .4s ease;
  }
  .nav__links.is-open { opacity: 1; pointer-events: auto; }
  .nav__links a { background: none; }
  .nav__cta .lk-cn { color: var(--gold-bright); }
  .nav__qr {
    display: flex; flex-direction: column; align-items: center; gap: .7rem;
    margin-top: 1.2rem;
  }
  .nav__qr img {
    width: 108px; height: 108px; object-fit: cover;
    background: var(--paper); padding: 5px;
    border: 1px solid var(--line-light);
  }
  .nav__qr .mono { color: var(--gold-bright); font-size: .58rem; }
  .lk-cn { font-size: 1.4rem; }
  .lk-en { font-size: .62rem; }
}

@media (max-width: 860px) and (max-height: 740px) {
  .nav__links { gap: 1.1rem; justify-content: flex-start; padding-top: 5.5rem; overflow-y: auto; }
  .lk-cn { font-size: 1.15rem; }
  .nav__qr img { width: 84px; height: 84px; }
  .nav__qr { margin-top: .6rem; padding-bottom: 1.5rem; }
}

/* ══════════ 首屏 ══════════ */
.hero {
  position: relative; min-height: 100vh; min-height: 100svh;
  display: flex; flex-direction: column; justify-content: flex-end;
  color: var(--ink);
  padding: 7rem var(--gutter) 6.5rem;
  overflow: hidden;
  background: var(--paper);
}
.hero__media, .hero__media img { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero__map {
  object-fit: cover; object-position: 68% 50%;
  animation: kenburns 36s ease-in-out infinite alternate;
  will-change: transform;
}
@keyframes kenburns {
  from { transform: scale(1) translateX(0); }
  to   { transform: scale(1.07) translateX(-1.2%); }
}
.hero__scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(244,239,227,.94) 0%, rgba(244,239,227,.72) 32%, rgba(244,239,227,.18) 58%, rgba(244,239,227,0) 75%),
    linear-gradient(180deg, rgba(244,239,227,.55) 0%, rgba(244,239,227,0) 26%, rgba(244,239,227,0) 72%, rgba(244,239,227,.5) 100%);
}
@media (max-width: 720px) {
  .hero__map { object-position: 74% 50%; }
  .hero__scrim {
    background:
      linear-gradient(90deg, rgba(244,239,227,.96) 0%, rgba(244,239,227,.82) 45%, rgba(244,239,227,.38) 75%, rgba(244,239,227,.18) 100%),
      linear-gradient(180deg, rgba(244,239,227,.5) 0%, rgba(244,239,227,0) 30%, rgba(244,239,227,.35) 100%);
  }
}
.hero__label {
  position: absolute; top: 6.2rem; left: var(--gutter);
  display: flex; flex-direction: column; gap: .35rem;
  border-left: 2px solid var(--gold-deep); padding-left: .9rem;
}
.hero__label-cn { font-family: var(--serif); font-size: .85rem; letter-spacing: .3em; }
.hero__side {
  position: absolute; right: calc(var(--gutter) * .55); top: 50%;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  font-size: .62rem; letter-spacing: .5em; opacity: .55;
}
@media (max-width: 720px) { .hero__side { display: none; } }
.hero__headline { position: relative; max-width: 60rem; }
.hero h1 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(2.6rem, 7.2vw, 6rem);
  line-height: 1.28;
  letter-spacing: .06em;
  text-wrap: balance;
}
.hero h1 .line { display: block; }
.hero h1 .line:nth-child(1) { transition-delay: .05s; }
.hero h1 .line:nth-child(2) { transition-delay: .15s; }
.hero h1 .line:nth-child(3) { transition-delay: .25s; }
.hero h1 em { color: var(--gold-deep); }
.hero__sub {
  margin-top: 1.8rem;
  font-size: clamp(.92rem, 1.3vw, 1.05rem);
  line-height: 2.1; letter-spacing: .06em;
  color: rgba(21, 33, 29, .82);
  transition-delay: .4s;
}
.hero__actions { display: flex; gap: 1rem; margin-top: 2.6rem; flex-wrap: wrap; transition-delay: .55s; }

.btn {
  display: inline-flex; align-items: center; gap: .8rem;
  font-family: var(--serif); letter-spacing: .3em; padding-left: .3em;
  font-size: .92rem;
  padding: .95rem 1.9rem;
  border: 1px solid transparent;
  transition: background .3s ease, color .3s ease, border-color .3s ease;
}
.btn__arrow { font-family: var(--mono); letter-spacing: 0; transition: transform .3s ease; }
.btn:hover .btn__arrow { transform: translateX(4px); }
.btn--gold { background: var(--gold); color: #fff; }
.btn--gold:hover { background: var(--gold-deep); }
.btn--ghost { border-color: rgba(21,33,29,.55); color: var(--ink); }
.btn--ghost:hover { border-color: var(--gold-deep); color: var(--gold-deep); }

.hero__scrollcue {
  position: absolute; bottom: 2.2rem; right: var(--gutter);
  display: flex; flex-direction: column; align-items: center; gap: .7rem;
  opacity: .65; transition: opacity .3s;
}
.hero__scrollcue:hover { opacity: 1; }
.hero__scrollcue i {
  width: 1px; height: 44px; background: var(--ink);
  animation: cue 2.2s cubic-bezier(.22,1,.36,1) infinite;
  transform-origin: top;
}
@keyframes cue { 0% { transform: scaleY(0); } 45% { transform: scaleY(1); } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* ══════════ 数据条 ══════════ */
.statsbar {
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: var(--ink-2); color: var(--paper);
  border-top: 1px solid var(--line-light);
}
.statsbar__item {
  padding: 1.6rem 1rem 1.4rem;
  display: flex; flex-direction: column; align-items: center; gap: .15rem;
}
.statsbar__item + .statsbar__item { border-left: 1px solid var(--line-light); }
.statsbar__item b {
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(1.5rem, 2.6vw, 2.2rem);
  color: var(--gold-bright); letter-spacing: .05em;
}
.statsbar__item span { font-size: .78rem; letter-spacing: .3em; padding-left: .3em; opacity: .7; }
@media (max-width: 640px) {
  .statsbar { grid-template-columns: repeat(2, 1fr); }
  .statsbar__item:nth-child(3) { border-left: 0; }
  .statsbar__item:nth-child(n+3) { border-top: 1px solid var(--line-light); }
}

/* ══════════ 章节通用 ══════════ */
.sec { padding: clamp(5rem, 10vw, 9rem) var(--gutter); position: relative; }
.sec--ink   { background: var(--ink); color: var(--paper); }
.sec--teal  { background: var(--teal-deep); color: var(--paper); }
.sec--paper { background: var(--paper); color: var(--ink); }

.sec__head { max-width: 58rem; margin-bottom: clamp(3rem, 6vw, 5rem); }
.sec__no {
  display: flex; align-items: baseline; gap: .9rem;
  color: var(--gold); margin-bottom: 1.6rem;
}
.sec__no span {
  font-family: var(--serif); font-size: 1.1rem; letter-spacing: .1em;
}
.sec__no::after { content: ""; flex: 0 0 56px; height: 1px; background: currentColor; opacity: .5; align-self: center; }
.sec h2 {
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(1.8rem, 4.2vw, 3.2rem);
  line-height: 1.45; letter-spacing: .05em;
  text-wrap: balance;
}
.sec__lead {
  margin-top: 1.4rem;
  font-size: .95rem; letter-spacing: .05em; line-height: 2.1;
  opacity: .72;
}
.sec__conclusion {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  font-family: var(--serif);
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  line-height: 2.2; letter-spacing: .06em;
  border-left: 2px solid var(--gold); padding-left: 1.4rem;
}
.sec__conclusion strong { color: var(--gold-bright); font-weight: 700; }

/* ══════════ 01 困境 ══════════ */
.painlist { list-style: none; max-width: 62rem; }
.painlist li {
  display: grid; grid-template-columns: 4.5rem 1fr; gap: 1.6rem;
  padding: 2.2rem 0;
  border-top: 1px solid var(--line-light);
}
.painlist li:last-child { border-bottom: 1px solid var(--line-light); }
.painlist__no {
  font-family: var(--serif) !important;
  font-size: 1.5rem !important; letter-spacing: 0 !important;
  color: var(--gold); padding-top: .2rem;
}
.painlist h3 { font-family: var(--serif); font-size: 1.2rem; letter-spacing: .06em; margin-bottom: .5rem; }
.painlist p { font-size: .92rem; opacity: .68; line-height: 2; }
.painlist li { transition: opacity .9s cubic-bezier(.22,1,.36,1), transform .9s cubic-bezier(.22,1,.36,1), background .3s ease; }
.painlist li:hover { background: rgba(244,239,227,.03); }

/* ══════════ 02 能力 ══════════ */
.svc { max-width: 72rem; }
.svc__row {
  display: grid; grid-template-columns: minmax(200px, 300px) 1fr;
  gap: clamp(1.5rem, 4vw, 4rem);
  padding: clamp(2.4rem, 4vw, 3.6rem) 0;
  border-top: 1px solid var(--line);
}
.svc__row:last-child { border-bottom: 1px solid var(--line); }
.svc__row header { display: flex; flex-direction: column; gap: .4rem; align-items: flex-start; }
.svc__no { font-size: .68rem !important; color: var(--gold); }
.svc__row h3 {
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(1.6rem, 2.6vw, 2.3rem);
  letter-spacing: .12em;
}
.svc__tag {
  font-size: .68rem; letter-spacing: .28em; padding-left: .28em;
  border: 1px solid var(--gold); color: var(--gold);
  padding: .18rem .7rem .18rem calc(.7rem + .28em);
}
.svc__en { color: var(--gold); margin-bottom: .9rem; }
.svc__desc { font-family: var(--serif); font-size: 1.05rem; letter-spacing: .05em; margin-bottom: 1.2rem; }
.svc__body ul { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: .3rem 2rem; }
.svc__body li {
  font-size: .9rem; opacity: .78; padding: .25rem 0 .25rem 1.1rem; position: relative;
}
.svc__body li::before {
  content: ""; position: absolute; left: 0; top: 1.05em;
  width: 5px; height: 5px; background: var(--teal-bright);
}
.svc__keys {
  margin-top: 1.3rem; padding-top: 1rem;
  border-top: 1px dashed var(--line);
  font-size: .78rem; letter-spacing: .12em; color: var(--teal);
}
@media (max-width: 720px) {
  .svc__row { grid-template-columns: 1fr; gap: 1.2rem; }
  .svc__body ul { grid-template-columns: 1fr; }
}

/* ══════════ 03 方法 ══════════ */
.steps {
  list-style: none;
  display: grid; grid-template-columns: repeat(4, 1fr);
  max-width: 76rem;
  counter-reset: step;
}
.steps li {
  position: relative;
  padding: 2.6rem 1.6rem 2.2rem 0;
  border-top: 1px solid var(--line-light);
}
.steps li + li { padding-left: 1.6rem; }
.steps li + li::before {
  content: "→"; position: absolute; left: -0.55em; top: 2.4rem;
  color: var(--gold); font-family: var(--mono); font-size: .9rem;
}
.steps__no {
  position: absolute; top: -1px; left: 0;
  font-size: .66rem !important; color: var(--gold-bright);
  border-top: 2px solid var(--gold); padding-top: .8rem;
  min-width: 3rem;
}
.steps__en { display: block; color: var(--gold-bright); opacity: .8; margin: 1.2rem 0 .4rem; }
.steps h3 {
  font-family: var(--serif); font-size: clamp(1.7rem, 2.6vw, 2.4rem);
  letter-spacing: .3em; margin-bottom: .9rem;
}
.steps p { font-size: .9rem; line-height: 1.95; opacity: .85; }
.steps small { display: block; margin-top: .9rem; font-size: .74rem; letter-spacing: .1em; opacity: .55; }
@media (max-width: 900px) {
  .steps { grid-template-columns: 1fr 1fr; row-gap: 2rem; }
  .steps li:nth-child(3)::before { content: none; }
  .steps li:nth-child(odd) { padding-left: 0; }
}
@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
  .steps li + li { padding-left: 0; }
  .steps li + li::before { content: none; }
}

.quote {
  margin-top: clamp(3.5rem, 7vw, 5.5rem);
  text-align: center;
}
.quote p {
  font-family: var(--kai);
  font-size: clamp(1.25rem, 2.6vw, 1.9rem);
  line-height: 2.2; letter-spacing: .1em;
  color: var(--gold-bright);
}
.quote--ink p { color: var(--teal); }
.quote cite {
  display: block; margin-top: 1.2rem;
  font-family: var(--sans); font-style: normal;
  font-size: .82rem; letter-spacing: .15em; opacity: .6;
}

/* ══════════ 04 影片 ══════════ */
.film { max-width: 64rem; margin: 0 auto; }
.film__frame {
  position: relative;
  border: 1px solid var(--line-light);
  padding: clamp(.6rem, 1.4vw, 1rem);
  background: rgba(244,239,227,.03);
}
.film__frame::before, .film__frame::after {
  content: ""; position: absolute; width: 22px; height: 22px;
  border: 1px solid var(--gold);
}
.film__frame::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.film__frame::after { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }
.film__frame video { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: #000; }
.film__play {
  position: absolute; inset: 0; margin: auto;
  width: clamp(72px, 9vw, 96px); height: clamp(72px, 9vw, 96px);
  border-radius: 50%;
  border: 1px solid rgba(244,239,227,.65);
  background: rgba(21,33,29,.45);
  backdrop-filter: blur(6px);
  color: var(--gold-bright);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: transform .35s cubic-bezier(.22,1,.36,1), background .3s, opacity .3s;
}
.film__play svg { margin-left: 4px; }
.film__play:hover { transform: scale(1.08); background: rgba(21,33,29,.65); }
.film__play.is-hidden { opacity: 0; pointer-events: none; transform: scale(.85); }
.film__meta {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 1rem; flex-wrap: wrap;
  margin-top: 1.2rem; font-size: .85rem; opacity: .75;
}
.film__meta .mono { color: var(--gold-bright); }

/* ══════════ 05 场景 ══════════ */
.scenes { list-style: none; max-width: 64rem; }
.scenes li {
  display: grid; grid-template-columns: 5rem 1fr 2.5rem; align-items: center; gap: 1.5rem;
  padding: 1.7rem .4rem;
  border-top: 1px solid var(--line);
  transition: background .3s ease, padding .3s ease;
}
.scenes li:last-child { border-bottom: 1px solid var(--line); }
.scenes li:hover { background: rgba(30, 80, 73, .06); }
.scenes .mono { color: var(--gold); }
.scenes h3 {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(1.05rem, 2vw, 1.4rem); letter-spacing: .08em;
}
.scenes i {
  font-style: normal; font-family: var(--mono); color: var(--teal);
  transition: transform .3s ease;
}
.scenes li:hover i { transform: translateX(6px); }
.scenes__note { margin-top: 2rem; font-size: .8rem; letter-spacing: .08em; opacity: .55; }

/* ══════════ 06 关于 ══════════ */
.sec--about { background: var(--paper-2); }
.about {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(2rem, 5vw, 5rem); align-items: start;
  max-width: 78rem;
}
.about__figure { position: sticky; top: 6.5rem; }
.about__figure img { width: 100%; border: 1px solid var(--line); }
.about__figure figcaption { margin-top: .8rem; color: var(--teal); opacity: .8; }
.about__text > p { margin-bottom: 1.6rem; font-size: .98rem; line-height: 2.15; letter-spacing: .03em; }
.about__text strong { color: var(--teal); }
.about__text .quote { text-align: left; margin: 2.6rem 0; }
.about__text .quote p { font-size: clamp(1.15rem, 2vw, 1.5rem); }

.timeline { list-style: none; margin-top: 1rem; }
.timeline li {
  display: grid; grid-template-columns: 4.5rem 1fr; gap: 1.4rem;
  padding: 1.1rem 0 1.1rem 1.2rem;
  border-left: 1px solid var(--line);
  position: relative;
}
.timeline li::before {
  content: ""; position: absolute; left: -4px; top: 1.75rem;
  width: 7px; height: 7px; background: var(--gold); border-radius: 50%;
}
.timeline .mono { color: var(--gold); padding-top: .35rem; }
.timeline p { font-size: .9rem; line-height: 1.95; opacity: .8; }
@media (max-width: 860px) {
  .about { grid-template-columns: 1fr; }
  .about__figure { position: static; }
}

/* ══════════ 页脚 ══════════ */
.footer { background: var(--ink); color: var(--paper); }
.footer__cta { padding: clamp(5rem, 10vw, 8rem) var(--gutter) clamp(3rem, 6vw, 5rem); max-width: 64rem; }
.footer h2 {
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  line-height: 1.5; letter-spacing: .06em;
  margin: 1.6rem 0 1.4rem;
}
.footer__lead { font-size: .95rem; line-height: 2.1; opacity: .72; letter-spacing: .05em; }
.footer__contact {
  display: flex; gap: clamp(2rem, 5vw, 4rem); align-items: center;
  margin-top: 3rem; flex-wrap: wrap;
}
.footer__qr { display: flex; flex-direction: column; gap: .7rem; align-items: center; }
.footer__qr img {
  width: 132px; height: 132px; object-fit: cover;
  border: 1px solid var(--line-light); padding: 6px; background: var(--paper);
}
.footer__qr .mono { color: var(--gold-bright); }
.footer__channels p { padding: .5rem 0; font-size: .92rem; letter-spacing: .05em; }
.footer__channels .mono { color: var(--gold-bright); display: inline-block; min-width: 7.5rem; }
.footer__channels strong { font-family: var(--serif); letter-spacing: .2em; }

.footer__base {
  border-top: 1px solid var(--line-light);
  padding: 2.2rem var(--gutter) 2.6rem;
  display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap;
  font-size: .8rem; letter-spacing: .08em; opacity: .75;
}
.footer__emblem { width: 30px; height: 30px; border-radius: 50%; background: var(--paper); }
.footer__base .mono { margin-left: auto; }
@media (max-width: 640px) { .footer__base .mono { margin-left: 0; width: 100%; } }

/* ────────── 动效降级 ────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__scrollcue i { animation: none; }
  .hero__map { animation: none; }
  * { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}
