/* —— 横向溢出兜底：100vw 出血图在有纵向滚动条的环境比可视区宽 15px，clip 掉避免横向滚动 —— */
html { overflow-x: clip; }

/* ============================================================
   FULEIRUIYIA SITE STUDIO — 共享设计系统
   FULEIRUIYIA × 香槟灰棕 × 超大衬线排印
   ============================================================ */

:root {
  --ink: #16120E;
  --ink-2: #1E1812;
  --cream: #F5F0E8;
  --cream-soft: #F0EADB;
  --taupe: #8C7B68;
  --taupe-soft: #B3A48D;
  --taupe-deep: #6E5F4E;
  --heading: #1A1A1A;
  --text: #595959;
  --text-soft: #6E6A61;
  --hairline: rgba(26, 22, 16, 0.12);
  --hairline-dark: rgba(245, 240, 232, 0.16);
  --container: 1180px;
  --pad-x: 40px;
  --serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
  --sans: "Inter", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--sans);
  font-weight: 300;
  background: var(--cream);
  color: var(--text);
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: 0.5px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
  width: 100%;
}

ul, ol {
  list-style: none;
}

img {
  display: block;
  max-width: 100%;
  font-size: 0; /* 图片未加载/失败时不裸显 alt 文字 */
}

a {
  color: inherit;
  text-decoration: none;
}

/* ---------- 排印 ---------- */

h1, h2, h3 {
  color: var(--heading);
  font-weight: 500;
  line-height: 1.4;
  text-wrap: balance;
}

.display {
  font-family: var(--serif);
  font-weight: 500;
}

h1.display {
  font-size: clamp(32px, 4.6vw, 62px);
  line-height: 1.35;
  letter-spacing: 0.02em;
}

h2.display {
  font-size: clamp(26px, 3.2vw, 42px);
  line-height: 1.4;
  letter-spacing: 0.02em;
}

.display-s {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(19px, 2vw, 24px);
  letter-spacing: 0.02em;
}

p {
  text-wrap: pretty;
}

.kicker {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--taupe);
}

.deco-line {
  display: block;
  width: 48px;
  height: 1px;
  background: var(--taupe);
  opacity: 0.6;
}

/* ---------- 按钮 ---------- */

.btn-primary,
.btn-cream {
  display: inline-block;
  font-family: var(--sans);
  font-weight: 400;
  font-size: 15px;
  letter-spacing: 0.1em;
  line-height: 1;
  padding: 18px 44px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: all 0.28s ease-out;
}

.btn-primary {
  background: var(--heading);
  color: var(--cream);
}

.btn-cream {
  background: var(--cream);
  color: var(--ink);
}

.btn-primary:focus-visible,
.btn-cream:focus-visible {
  outline: 2px solid var(--taupe);
  outline-offset: 3px;
}

.btn-primary:active,
.btn-cream:active {
  transform: translateY(1px) scale(0.985);
  box-shadow: none;
}

.text-link {
  color: inherit;
  text-decoration: none;
  transition: all 0.28s ease-out;
}

/* ---------- 顶部品牌条 ---------- */

.site-header {
  position: absolute;
  inset-inline: 0;
  top: 0;
  z-index: 10;
  padding-top: 30px;
  pointer-events: none;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: auto;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.brand .brand-mark {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 13.5px;
  letter-spacing: 0.18em;
  color: var(--cream);
  white-space: nowrap;
}

.brand .brand-mark::after {
  content: "®";
  font-family: var(--sans);
  font-size: 0.5em;
  letter-spacing: 0;
  margin-left: 0.12em;
  vertical-align: 0.55em;
  color: var(--taupe-soft);
}

.brand .brand-sub {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 9px;
  letter-spacing: 0.3em;
  color: var(--taupe-soft);
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  gap: clamp(18px, 2.5vw, 34px);
}

.site-nav a {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: rgba(245, 240, 232, 0.62);
  padding-bottom: 4px;
  border-bottom: 1px solid transparent;
  transition: all 0.28s ease-out;
}

.site-nav a.active {
  color: var(--taupe-soft);
  border-bottom-color: rgba(179, 164, 141, 0.55);
}

.site-nav a.nav-cta {
  color: var(--taupe-soft);
  border: 1px solid rgba(179, 164, 141, 0.45);
  border-radius: 999px;
  padding: 7px 16px;
  letter-spacing: 0.16em;
}

.site-nav a.nav-cta.active {
  border-color: rgba(179, 164, 141, 0.7);
}

/* ---------- 暗房首屏 ---------- */

.hero-dark {
  position: relative;
  background: var(--ink);
  padding-top: clamp(150px, 19vw, 248px);
  text-align: center;
  overflow: hidden;
  isolation: isolate;
}

.hero-dark::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-image: var(--grain);
  background-size: 120px 120px;
  opacity: 0.05;
  pointer-events: none;
  z-index: 1;
}

.hero-orb {
  position: absolute;
  top: -240px;
  right: -200px;
  width: clamp(420px, 46vw, 780px);
  aspect-ratio: 1;
  min-height: 420px;
  border-radius: 50%;
  border: 1px solid rgba(179, 164, 141, 0.26);
  pointer-events: none;
  z-index: 0;
}

.hero-orb::after {
  content: "";
  position: absolute;
  top: 14%;
  right: 14%;
  bottom: 14%;
  left: 14%;
  border-radius: 50%;
  border: 1px solid rgba(179, 164, 141, 0.14);
}

.hero-dark .container {
  position: relative;
  z-index: 2;
}

.hero-inner {
  max-width: 880px;
  margin: 0 auto;
}

.hero-kicker {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.38em;
  text-transform: uppercase;
  color: var(--taupe-soft);
  margin-bottom: 34px;
}

.hero-dark h1.display {
  color: #F2ECE0;
}

.hero-dark .h1-sub {
  display: block;
  font-size: 0.52em;
  font-weight: 400;
  color: var(--taupe-soft);
  margin-top: 18px;
  letter-spacing: 0.06em;
}

.hero-sub {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(15px, 1.5vw, 19px);
  letter-spacing: 0.3em;
  color: var(--taupe-soft);
  margin-top: 34px;
}

.hero-desc {
  max-width: 620px;
  margin: 22px auto 0;
  font-size: 15.5px;
  color: rgba(245, 240, 232, 0.68);
}

.hero-dark .btn-cream {
  margin-top: 52px;
}

.hero-media {
  position: relative;
  z-index: 2;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-top: clamp(72px, 10vw, 132px);
  height: clamp(340px, 38.75vw, 660px);
  overflow: hidden;
}

/* — hero 图滚动视差缓冲（仅桌面 js-parallax 下生效） — */

.js-parallax [data-plx] {
  will-change: transform;
}

.js-parallax img[data-plx] {
  height: calc(100% + 80px);
  margin-top: -40px;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-media-short {
  height: clamp(240px, 26.25vw, 440px);
  margin-top: clamp(64px, 9vw, 108px);
}

/* ---------- 浅色区块 ---------- */

.sec {
  padding-top: clamp(96px, 12vw, 168px);
  padding-bottom: clamp(96px, 12vw, 168px);
}

.sec-head {
  margin-bottom: clamp(56px, 7vw, 96px);
}

.sec-idx {
  display: block;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(54px, 7vw, 92px);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(140, 123, 104, 0.5);
  margin-bottom: 20px;
  user-select: none;
}

@supports not (-webkit-text-stroke: 1px black) {
  .sec-idx {
    color: rgba(140, 123, 104, 0.18);
  }
}

.sec-head .kicker {
  display: block;
  margin-bottom: 16px;
}

.sec-head .deco-line {
  margin: 26px 0 0;
}

/* ---------- 分栏与列表 ---------- */

.split-2 {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(48px, 6vw, 96px);
  align-items: start;
}

.lead-para {
  font-size: 16.5px;
  color: var(--text);
  max-width: 560px;
  border-left: 2px solid rgba(140, 123, 104, 0.5);
  padding-left: clamp(20px, 2.5vw, 32px);
}

.adv-list li,
.rows li {
  display: flex;
  gap: clamp(20px, 2.5vw, 34px);
  padding: clamp(22px, 2.6vw, 30px) 0;
  border-bottom: 1px solid var(--hairline);
  align-items: baseline;
}

.adv-list li:first-child,
.rows li:first-child {
  border-top: 1px solid var(--hairline);
}

.row-num {
  flex-shrink: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(20px, 2vw, 27px);
  line-height: 1.2;
  letter-spacing: 0.08em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(140, 123, 104, 0.55);
  user-select: none;
}

@supports not (-webkit-text-stroke: 1px black) {
  .row-num {
    color: rgba(140, 123, 104, 0.5);
  }
}

.rows li {
  font-size: 15px;
}

.rows strong {
  color: var(--heading);
  font-weight: 500;
  margin-right: 2px;
}

/* ---------- 暖调分区底色 ---------- */

.tint-band {
  background: rgba(140, 123, 104, 0.07);
}

/* ---------- 服务四宫格 ---------- */

.service-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: clamp(48px, 6vw, 88px);
  row-gap: clamp(52px, 6vw, 80px);
}

.service-cell {
  border-top: 1px solid rgba(140, 123, 104, 0.4);
  padding-top: clamp(26px, 3vw, 38px);
}

.service-cell .cell-num {
  display: block;
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--taupe);
  margin-bottom: 18px;
}

.service-cell h3 {
  font-family: var(--serif);
  font-size: 19px;
  margin-bottom: 22px;
}

.service-cell ul {
  display: grid;
  gap: 13px;
}

.service-cell ul li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
}

.service-cell ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85em;
  width: 8px;
  height: 1px;
  background: var(--taupe);
}

/* ---------- 对勾列表 ---------- */

.check-list {
  max-width: 840px;
}

.check-list li {
  display: flex;
  gap: 22px;
  align-items: baseline;
  padding: clamp(24px, 3vw, 34px) 0;
  border-bottom: 1px solid var(--hairline);
}

.check-list li:first-child {
  border-top: 1px solid var(--hairline);
}

.check-list .check {
  flex-shrink: 0;
  color: var(--taupe);
  position: relative;
  top: 2px;
}

.check-list strong {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 17px;
  color: var(--heading);
  margin-right: 6px;
}

.check-list li span:last-child {
  font-size: 15.5px;
}

/* ---------- 交付三栏 ---------- */

.card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: clamp(36px, 4.5vw, 64px);
}

.simple-card {
  border-top: 1px solid rgba(140, 123, 104, 0.4);
  padding-top: clamp(26px, 3vw, 38px);
  border-radius: 0 0 12px 12px;
  transition: all 0.28s ease-out;
}

.simple-card h3 {
  font-family: var(--serif);
  font-size: 18px;
  margin-bottom: 22px;
}

.simple-card ul {
  display: grid;
  gap: 13px;
}

.simple-card ul li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
}

.simple-card ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85em;
  width: 8px;
  height: 1px;
  background: var(--taupe);
}

/* ---------- 对比双栏 ---------- */

.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 5vw, 72px);
  max-width: 1000px;
  margin: 0 auto;
}

.compare-col h3 {
  padding-bottom: 24px;
  margin-bottom: 26px;
  border-bottom: 1px solid var(--hairline);
}

.compare-col ul {
  display: grid;
  gap: 16px;
}

.compare-col ul li {
  position: relative;
  padding-left: 26px;
  font-size: 15px;
}

.compare-col.col-con ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15em;
  width: 12px;
  height: 1px;
  background: #b3aea5;
}

.compare-col.col-pro ul li::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 0.95em;
  width: 11px;
  height: 6px;
  border-left: 1px solid var(--taupe);
  border-bottom: 1px solid var(--taupe);
  transform: rotate(-45deg);
}

.compare-col.col-pro {
  background: rgba(140, 123, 104, 0.08);
  border-left: 2px solid var(--taupe);
  padding: clamp(28px, 3.5vw, 44px);
  border-radius: 0 12px 12px 0;
}

.compare-col.col-pro h3 {
  color: var(--taupe-deep);
  border-bottom-color: rgba(140, 123, 104, 0.35);
  padding-bottom: 22px;
}

/* ---------- 流程 ---------- */

.process-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: clamp(40px, 5vw, 80px);
  row-gap: clamp(48px, 6vw, 72px);
  max-width: 960px;
}

.process-cell {
  position: relative;
  border-top: 1px solid rgba(140, 123, 104, 0.4);
  padding-top: clamp(24px, 3vw, 34px);
  transition: all 0.28s ease-out;
}

.process-cell::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cream);
  border: 1px solid var(--taupe);
  box-sizing: border-box;
}

.process-cell .p-num {
  display: block;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(34px, 3.4vw, 46px);
  line-height: 1.1;
  color: rgba(140, 123, 104, 0.85);
  margin-bottom: 16px;
}

.process-cell h3 {
  font-family: var(--serif);
  font-size: 17.5px;
  margin-bottom: 10px;
}

.process-cell p {
  font-size: 14.5px;
}

/* ---------- 轻引用块 ---------- */

.quote-block {
  border-left: 2px solid var(--taupe);
  background: rgba(140, 123, 104, 0.08);
  padding: clamp(24px, 3vw, 36px) clamp(22px, 3vw, 34px);
  border-radius: 0 12px 12px 0;
}

.quote-block p {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 16.5px;
  line-height: 2;
  color: #3A352C;
}

/* ---------- FAQ 手风琴 ---------- */

.faq-list {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--hairline);
}

.faq-item:first-child {
  border-top: 1px solid var(--hairline);
}

.faq-item-header {
  display: flex;
  align-items: baseline;
  gap: 18px;
  padding: clamp(24px, 3vw, 32px) 0;
  cursor: pointer;
  list-style: none;
  color: var(--heading);
  transition: all 0.28s ease-out;
}

.faq-item-header::-webkit-details-marker {
  display: none;
}

.faq-item-header .q-num {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--taupe);
  border: 1px solid rgba(140, 123, 104, 0.4);
  border-radius: 999px;
  padding: 5px 10px 4px;
  line-height: 1;
  transform: translateY(-1px);
  transition: all 0.28s ease-out;
}

.faq-item-header .q-text {
  flex: 1;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(16.5px, 1.6vw, 19px);
  line-height: 1.7;
  transition: all 0.28s ease-out;
}

.faq-item .faq-icon {
  flex-shrink: 0;
  align-self: center;
  color: var(--taupe);
  transition: transform 0.28s ease-out;
}

.faq-item[open] .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 0 clamp(26px, 3.2vw, 38px) 62px;
  max-width: 720px;
}

.faq-answer p {
  font-size: 15.5px;
}

/* ---------- 引导段落 ---------- */

.guide-note {
  max-width: 620px;
  margin: 0 auto;
  text-align: center;
  font-family: var(--serif);
  font-size: 16.5px;
  color: #3A352C;
}

/* ---------- 暗色 CTA ---------- */

.cta-dark {
  position: relative;
  background: var(--ink);
  padding-top: clamp(110px, 14vw, 190px);
  padding-bottom: clamp(110px, 14vw, 190px);
  text-align: center;
  overflow: hidden;
  isolation: isolate;
}

.cta-dark::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-image: var(--grain);
  background-size: 120px 120px;
  opacity: 0.05;
  pointer-events: none;
  z-index: 1;
}

.cta-dark .hero-orb {
  top: auto;
  bottom: -320px;
  right: -240px;
}

.cta-dark .container {
  position: relative;
  z-index: 2;
}

.cta-dark h2.display {
  color: #F2ECE0;
  font-size: clamp(28px, 3.8vw, 52px);
}

.cta-dark p {
  max-width: 620px;
  margin: 24px auto 0;
  font-size: 15.5px;
  color: rgba(245, 240, 232, 0.68);
}

.cta-dark .btn-cream {
  margin-top: 48px;
}

/* ---------- 图片容器 ---------- */

.img-wrapper {
  overflow: hidden;
  border-radius: 14px;
}

.img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 滚动淡入与错落入场（stagger） ---------- */

.js-reveal .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.js-reveal .reveal.is-visible {
  opacity: 1;
  transform: none;
}

.js-reveal .reveal.is-visible > *:not(.hero-orb):not(.container),
.js-reveal .reveal.is-visible > .container > *:not([data-stagger]),
.js-reveal .reveal.is-visible [data-stagger] > * {
  animation: riseIn 0.55s cubic-bezier(0.22, 0.61, 0.36, 1) backwards;
  animation-delay: var(--d, 0ms);
}

/* ---------- hover 微交互（仅桌面 hover 设备） ---------- */

@media (hover: hover) and (pointer: fine) {
  .text-link:hover {
    color: var(--taupe);
    text-decoration: underline;
    text-decoration-color: var(--taupe);
    text-decoration-thickness: 1px;
    text-underline-offset: 5px;
  }

  .btn-primary:hover {
    background: var(--taupe);
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(140, 123, 104, 0.2);
  }

  .btn-cream:hover {
    background: var(--taupe);
    color: var(--cream);
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(140, 123, 104, 0.28);
  }

  .li-item {
    transition: all 0.28s ease-out;
  }

  .li-item:hover {
    transform: translateX(6px);
    color: var(--taupe-deep);
  }

  .li-item:hover strong,
  .li-item:hover h3 {
    color: var(--taupe-deep);
  }

  .simple-card:hover {
    background: rgba(232, 228, 221, 0.45);
    transform: translateY(-4px);
    border-top-color: var(--taupe);
  }

  .process-cell:hover {
    transform: translateY(-4px);
  }

  .faq-item-header:hover {
    color: var(--taupe-deep);
  }

  .faq-item-header:hover .q-text {
    transform: translateX(8px);
  }

  .faq-item-header:hover .q-num {
    border-color: var(--taupe);
    color: var(--taupe-deep);
  }

  .img-wrapper img {
    transition: transform 0.4s ease-out;
  }

  .img-wrapper:hover img {
    transform: scale(1.04);
  }

  .site-nav a:hover {
    color: var(--cream);
  }

  .site-nav a.nav-cta:hover {
    color: var(--cream);
    border-color: rgba(245, 240, 232, 0.55);
  }
}

/* ---------- 移动端 ---------- */

@media (max-width: 767px) {
  :root {
    --pad-x: 24px;
  }

  body {
    font-size: 15px;
  }

  .site-header {
    padding-top: 22px;
  }

  .brand .brand-mark {
    font-size: 11px;
    letter-spacing: 0.15em;
  }

  .brand .brand-sub {
    display: none;
  }

  .site-header .container {
    flex-wrap: wrap;
    row-gap: 12px;
  }

  .site-nav {
    order: 3;
    width: 100%;
    justify-content: center;
    gap: 11px;
  }

  .site-nav a {
    font-size: 10.5px;
    letter-spacing: 0.04em;
  }

  .site-nav a.nav-cta {
    padding: 5px 12px;
  }

  .hero-dark {
    padding-top: clamp(120px, 24vw, 150px);
  }

  .hero-media {
    height: 250px;
    margin-top: clamp(56px, 9vw, 72px);
  }

  .hero-dark .btn-cream,
  .cta-dark .btn-cream {
    display: block;
    width: 100%;
    text-align: center;
    padding: 18px 20px;
  }

  .split-2,
  .service-grid,
  .card-grid,
  .compare,
  .process-grid {
    grid-template-columns: 1fr;
  }

  .split-2,
  .service-grid,
  .card-grid,
  .compare,
  .process-grid {
    row-gap: clamp(48px, 9vw, 64px);
  }

  .sec-idx {
    font-size: 54px;
  }

  .faq-answer {
    margin-left: 0;
    padding-left: 0;
  }

  .faq-answer p {
    font-size: 15px;
  }

  .compare-col.col-pro {
    border-radius: 0 12px 12px 12px;
  }
}

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .btn-primary,
  .btn-cream,
  .text-link,
  .li-item,
  .simple-card,
  .process-cell,
  .faq-item-header,
  .faq-item .faq-icon,
  .img-wrapper img,
  .site-nav a {
    transition: none;
  }

  .js-reveal .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* ---------- 主站页脚 ---------- */

.site-footer {
  position: relative;
  background: var(--ink);
  border-top: 1px solid var(--hairline-dark);
  padding: 50px 0 34px;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg,
      rgba(140, 123, 104, 0.12) 0%,
      rgba(198, 168, 124, 0.5) 50%,
      rgba(140, 123, 104, 0.12) 100%);
  background-size: 200% 100%;
  animation: footerLine 9s ease-in-out infinite alternate;
}

@keyframes footerLine {
  from {
    background-position: 0% 0;
  }

  to {
    background-position: 100% 0;
  }
}

.site-footer .footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 26px;
  flex-wrap: wrap;
}

.site-footer .footer-nav {
  display: flex;
  gap: clamp(18px, 2.5vw, 30px);
  flex-wrap: wrap;
}

.site-footer .footer-nav a {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: rgba(245, 240, 232, 0.6);
  transition: color 0.28s ease-out;
}

.site-footer .footer-nav a:hover {
  color: var(--cream);
}

.site-footer .footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 32px;
  padding-top: 22px;
  border-top: 1px solid var(--hairline-dark);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(245, 240, 232, 0.42);
}

@media (max-width: 767px) {
  .site-footer {
    padding: 42px 0 30px;
  }

  .site-footer .footer-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 22px;
  }

  .site-footer .footer-nav {
    gap: 16px 22px;
  }
}

/* ============================================================
   内页 hero 全宽视觉带（新增区块，与 hero-media 骨架同构）
   ============================================================ */

.hero-media-band {
  height: clamp(300px, 32.5vw, 520px);
  margin-top: clamp(64px, 9vw, 108px);
  padding: 0 clamp(20px, 4vw, 48px);
  box-sizing: border-box;
  display: flex;
}

.band-frame {
  position: relative;
  flex: 1;
  min-width: 0;
  border-radius: 18px;
  overflow: hidden;
  background: #14110d;
  box-shadow:
    inset 0 1px 0 rgba(242, 236, 224, 0.12),
    inset 0 -40px 80px rgba(0, 0, 0, 0.42),
    0 30px 70px rgba(0, 0, 0, 0.38);
}

.band-frame::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: radial-gradient(58% 88% at 22% 0%, rgba(198, 168, 124, 0.15), transparent 62%);
  pointer-events: none;
  z-index: 2;
}

.band-caption {
  position: absolute;
  top: 20px;
  left: 24px;
  z-index: 3;
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--sans);
  text-transform: uppercase;
  margin: 0;
}

.band-cap-en {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.34em;
  color: #f2ece0;
}

.band-cap-zh {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(245, 240, 232, 0.58);
}

/* — 图片横排条（samples / portfolio） — */

.band-strip {
  display: flex;
  gap: 8px;
  height: 100%;
}

.band-strip img {
  flex: 1;
  min-width: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* — 杂志开篇排版带（seo-article，纯排版无图） — */

.band-editorial {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(32px, 5vw, 72px) clamp(28px, 7vw, 96px);
  box-sizing: border-box;
  background:
    linear-gradient(180deg, rgba(23, 20, 15, 0.2), rgba(23, 20, 15, 0.55)),
    repeating-linear-gradient(90deg, transparent 0 120px, rgba(179, 164, 141, 0.05) 120px 121px);
}

.ed-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: rgba(245, 240, 232, 0.5);
  margin: 0 0 clamp(20px, 3vw, 36px);
}

.ed-meta::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(179, 164, 141, 0.4), transparent);
}

.ed-quote {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(24px, 3.4vw, 44px);
  line-height: 1.35;
  letter-spacing: 0.04em;
  color: #f2ece0;
  margin: 0;
  max-width: 900px;
  text-wrap: balance;
}

.ed-src {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: rgba(198, 168, 124, 0.85);
  margin: clamp(18px, 2.6vw, 30px) 0 0;
}

/* — 咨询通道带（contact） — */

.band-contact {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(28px, 5vw, 72px);
  padding: clamp(24px, 4vw, 48px) clamp(24px, 6vw, 80px);
  box-sizing: border-box;
}

.bc-qr {
  width: clamp(120px, 14vw, 168px);
  aspect-ratio: 1;
  min-height: 120px;
  flex: none;
}

.bc-qr img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 10px;
  display: block;
  box-shadow: 0 0 0 1px rgba(242, 236, 224, 0.16), 0 16px 36px rgba(0, 0, 0, 0.35);
}

.bc-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.bc-label {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: rgba(245, 240, 232, 0.5);
}

.bc-value {
  font-family: var(--serif);
  font-size: clamp(22px, 2.6vw, 34px);
  font-weight: 500;
  letter-spacing: 0.08em;
  color: #f2ece0;
}

.bc-note {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: rgba(245, 240, 232, 0.6);
}

@media (max-width: 767px) {
  .hero-media-band {
    height: 280px;
    margin-top: clamp(48px, 9vw, 64px);
    padding: 0 16px;
  }

  .band-caption {
    top: 14px;
    left: 16px;
  }

  .band-strip {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: 1fr;
    gap: 4px;
  }

  .band-strip img {
    min-height: 0;
  }

  .band-strip-3 img:last-child {
    grid-column: 1 / -1;
  }

  .band-editorial {
    padding: 28px 24px;
  }

  .ed-quote {
    font-size: clamp(20px, 6.4vw, 26px);
  }

  .band-contact {
    flex-direction: column;
    gap: 16px;
    padding: 20px;
  }

  .bc-qr {
    width: 104px;
  }

  .bc-value {
    font-size: 20px;
  }
}

/* ============================================================
   Motion 层 —— 灵动化动效系统
   仅使用 transform / opacity；prefers-reduced-motion 下全部关闭
   ============================================================ */

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes orbFloat {
  from {
    transform: translate(0, 0) scale(1);
  }

  to {
    transform: translate(-14px, 18px) scale(1.03);
  }
}

@keyframes faqIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes marqueeMove {
  to {
    transform: translateX(-50%);
  }
}

/* — 装饰圆环缓慢漂浮（暗房首屏 / CTA） — */

.js-reveal .hero-orb {
  animation: orbFloat 11s ease-in-out infinite alternate;
  will-change: transform;
}

/* — FAQ 展开内容淡入下移 — */

.faq-item[open] .faq-answer {
  animation: faqIn 0.35s ease-out backwards;
}

/* — 品牌能力跑马灯 — */

.capability-marquee {
  overflow: hidden;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  padding: clamp(18px, 2.4vw, 26px) 0;
}

.capability-marquee .marquee-track {
  display: flex;
  width: max-content;
  animation: marqueeMove 46s linear infinite;
}

.capability-marquee .marquee-group {
  display: flex;
  align-items: center;
  gap: clamp(30px, 3.4vw, 52px);
  padding-right: clamp(30px, 3.4vw, 52px);
}

.capability-marquee .marquee-group span {
  display: inline-flex;
  align-items: center;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(16px, 1.7vw, 22px);
  letter-spacing: 0.06em;
  color: var(--taupe-deep);
  white-space: nowrap;
}

.capability-marquee .marquee-group span::after {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(140, 123, 104, 0.45);
  margin-left: clamp(30px, 3.4vw, 52px);
  flex: none;
}

@media (hover: hover) and (pointer: fine) {
  .capability-marquee:hover .marquee-track {
    animation-play-state: paused;
  }
}

/* — 页脚顶缘发丝线扫入 — */

.js-reveal .site-footer {
  position: relative;
}

.js-reveal .site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 4%, rgba(198, 168, 124, 0.6) 50%, transparent 96%);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 1.4s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.js-reveal .site-footer.is-visible::before {
  transform: scaleX(1);
}

/* — 触屏端按压反馈（hover:none 设备） — */

@media (hover: none) {
  .li-item:active {
    color: var(--taupe-deep);
  }

  .li-item:active strong,
  .li-item:active h3 {
    color: var(--taupe-deep);
  }

  .simple-card:active,
  .process-cell:active {
    background: rgba(232, 228, 221, 0.5);
  }

  .site-nav a:active,
  .site-footer .footer-nav a:active {
    color: var(--cream);
  }

  .faq-item-header:active .q-text {
    color: var(--taupe-deep);
  }
}

/* — 移动端动效时长略短 — */

@media (max-width: 767px) {
  .js-reveal .reveal {
    transition-duration: 0.4s;
  }

  .js-reveal .reveal.is-visible > *:not(.hero-orb):not(.container),
  .js-reveal .reveal.is-visible > .container > *:not([data-stagger]),
  .js-reveal .reveal.is-visible [data-stagger] > * {
    animation-duration: 0.45s;
  }

  .js-reveal .hero-orb {
    animation-duration: 9s;
  }
}

/* — reduced motion：全部动效关闭 — */

@media (prefers-reduced-motion: reduce) {
  .js-reveal .hero-orb,
  .site-footer::before,
  .faq-item[open] .faq-answer,
  .capability-marquee .marquee-track,
  .js-reveal .reveal.is-visible > *:not(.hero-orb):not(.container),
  .js-reveal .reveal.is-visible > .container > *:not([data-stagger]),
  .js-reveal .reveal.is-visible [data-stagger] > * {
    animation: none !important;
  }

  .js-reveal .site-footer::before {
    transform: none;
    transition: none;
  }
}

/* ============================================================
   墨色暗房正文模式（body[data-dm]）
   hero 之后的正文区深色化；不带 data-dm 的页面完全不受影响
   ============================================================ */

body[data-dm] {
  --heading: #F5F0E8;
  --text: rgba(245, 240, 232, 0.62);
  --text-soft: #B3A48D;
  --hairline: rgba(245, 240, 232, 0.14);
  background: #16120E;
}

/* 深底上的主按钮：反白为米白底墨字 */

body[data-dm] .btn-primary {
  background: #F5F0E8;
  color: #16120E;
}

@media (hover: hover) and (pointer: fine) {
  body[data-dm] .btn-primary:hover {
    background: #C9A86A;
    color: #16120E;
    box-shadow: 0 10px 24px rgba(201, 168, 124, 0.18);
  }
}

/* — 编号体系：香槟金描边（与 hero 徽记同源的暗房质感） — */

body[data-dm] .sec-idx {
  -webkit-text-stroke-color: rgba(201, 168, 124, 0.55);
}

@supports not (-webkit-text-stroke: 1px black) {
  body[data-dm] .sec-idx {
    color: rgba(201, 168, 124, 0.3);
  }
}

body[data-dm] .row-num {
  -webkit-text-stroke-color: rgba(201, 168, 124, 0.6);
}

@supports not (-webkit-text-stroke: 1px black) {
  body[data-dm] .row-num {
    color: rgba(201, 168, 124, 0.34);
  }
}

body[data-dm] .process-cell .p-num {
  color: transparent;
  -webkit-text-stroke: 1px rgba(201, 168, 124, 0.62);
}

@supports not (-webkit-text-stroke: 1px black) {
  body[data-dm] .process-cell .p-num {
    color: rgba(201, 168, 124, 0.35);
  }
}

body[data-dm] .service-cell .cell-num {
  color: #C9A86A;
}

/* — 交替区块：微差面板 — */

body[data-dm] .tint-band {
  background: #1E1812;
}

/* — 面板卡化：服务四宫格 / 交付三栏 — */

body[data-dm] .service-cell,
body[data-dm] .simple-card {
  background: #211B14;
  border: 1px solid rgba(245, 240, 232, 0.12);
  border-radius: 14px;
  padding: clamp(28px, 3.4vw, 40px) clamp(24px, 3vw, 34px) clamp(30px, 3.6vw, 42px);
}

body[data-dm] .service-cell ul li::before,
body[data-dm] .simple-card ul li::before {
  background: #C9A86A;
}

@media (hover: hover) and (pointer: fine) {
  body[data-dm] .service-cell,
  body[data-dm] .simple-card {
    transition: border-color 0.35s ease;
  }

  body[data-dm] .service-cell:hover,
  body[data-dm] .simple-card:hover {
    border-color: rgba(201, 168, 124, 0.45);
  }
}

/* — FAQ 分组卡 — */

body[data-dm] .faq-item {
  background: #1E1812;
  border: 1px solid rgba(245, 240, 232, 0.1);
  border-radius: 14px;
  margin-bottom: 14px;
  padding: 4px clamp(20px, 2.6vw, 30px);
}

body[data-dm] .faq-item-header .q-num {
  border-color: rgba(201, 168, 124, 0.4);
  color: #C9A86A;
}

body[data-dm] .faq-item-header .q-text:hover {
  color: #F5F0E8;
}

/* — 对比双栏 / 引用 / 引导 — */

body[data-dm] .compare-col.col-pro {
  background: #211B14;
  border-left: 2px solid #C9A86A;
}

body[data-dm] .compare-col.col-pro h3 {
  color: #D8BC8A;
  border-bottom-color: rgba(201, 168, 124, 0.35);
}

body[data-dm] .compare-col.col-con ul li::before {
  background: rgba(179, 164, 141, 0.55);
}

body[data-dm] .quote-block {
  background: rgba(140, 123, 104, 0.1);
  border-left-color: #C9A86A;
}

body[data-dm] .quote-block p {
  color: rgba(245, 240, 232, 0.78);
}

body[data-dm] .guide-note {
  color: rgba(245, 240, 232, 0.72);
}

body[data-dm] .lead-para {
  border-left-color: rgba(201, 168, 124, 0.55);
}

/* — 深底可读性修复 — */

body[data-dm] .li-item:hover {
  color: #C9A86A;
}

body[data-dm] .li-item:hover strong,
body[data-dm] .li-item:hover h3 {
  color: #C9A86A;
}

@media (hover: none) {
  body[data-dm] .li-item:active,
  body[data-dm] .li-item:active strong,
  body[data-dm] .li-item:active h3 {
    color: #C9A86A;
  }

  body[data-dm] .simple-card:active,
  body[data-dm] .process-cell:active {
    background: rgba(245, 240, 232, 0.04);
  }

  body[data-dm] .faq-item-header:active .q-text {
    color: #C9A86A;
  }
}

/* — 深底图片装裱：发丝描边 + 暗底村 — */

body[data-dm] .img-wrapper {
  border: 1px solid rgba(245, 240, 232, 0.1);
  background: #0D0B08;
}

/* — 平台卡（portfolio） — */

body[data-dm] .plat-card {
  background: #211B14;
}

/* — 跑马灯：深底降饱和米白 — */

body[data-dm] .capability-marquee .marquee-group span {
  color: rgba(245, 240, 232, 0.5);
}

body[data-dm] .capability-marquee .marquee-group span::after {
  background: rgba(201, 168, 124, 0.4);
}

/* ============================================================
   FAQ 页暗房陈列：分屏布局（sticky 装裱竖图 + 手风琴列）
   ============================================================ */

body[data-dm] .faq-layout {
  display: grid;
  grid-template-columns: clamp(240px, 22vw, 320px) 1fr;
  gap: clamp(44px, 5.5vw, 80px);
  align-items: start;
}

body[data-dm] .faq-side {
  position: sticky;
  top: clamp(96px, 10vw, 128px);
}

/* — 装裱竖图：金晕暗房窗（与首页首屏装裱同构） — */

body[data-dm] .faq-side figure {
  border-radius: 16px;
  padding: 10px;
  background: linear-gradient(160deg, #241C12, #15100A 62%);
  border: 1px solid rgba(245, 240, 232, 0.1);
  box-shadow:
    0 34px 90px rgba(0, 0, 0, 0.45),
    0 0 110px rgba(198, 168, 124, 0.1);
  overflow: hidden;
}

body[data-dm] .faq-side img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 8px;
  filter: saturate(0.92) brightness(0.96);
}

body[data-dm] .faq-layout .faq-list {
  max-width: none;
  margin: 0;
}

body[data-dm] .faq-main {
  min-width: 0;
}

/* — 通栏插页：打断纯文字节奏的暗房陈列 — */

body[data-dm] .faq-interlude {
  border-radius: 16px;
  padding: 10px;
  background: linear-gradient(160deg, #241C12, #15100A 62%);
  border: 1px solid rgba(245, 240, 232, 0.1);
  box-shadow:
    0 26px 70px rgba(0, 0, 0, 0.4),
    0 0 90px rgba(198, 168, 124, 0.07);
  overflow: hidden;
  margin: clamp(36px, 4.5vw, 56px) 0;
}

body[data-dm] .faq-interlude img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 8px;
  filter: saturate(0.92) brightness(0.96);
}

/* — 手风琴卡精修：open 态金左边线 + hover 金边 — */

body[data-dm] .faq-item {
  transition: border-color 0.28s ease-out;
}

body[data-dm] .faq-item[open] {
  border-color: rgba(201, 168, 124, 0.4);
  border-left: 2px solid #C9A86A;
}

@media (hover: hover) and (pointer: fine) {
  body[data-dm] .faq-item:not([open]):hover {
    border-color: rgba(201, 168, 124, 0.35);
  }

  body[data-dm] .faq-item-header:hover .q-text {
    color: #F5F0E8;
  }
}

/* — 引导段：金短线前置（samples 页眉题语汇） — */

body[data-dm] .guide-note::before {
  content: "";
  display: block;
  width: 30px;
  height: 1px;
  background: #C9A86A;
  margin: 0 auto 22px;
}

@media (max-width: 1019px) {
  body[data-dm] .faq-layout {
    grid-template-columns: 1fr;
    gap: clamp(36px, 6vw, 56px);
  }

  body[data-dm] .faq-side {
    position: static;
    max-width: 380px;
    margin: 0 auto;
    width: 100%;
  }

  body[data-dm] .faq-layout .faq-list {
    max-width: 860px;
    margin: 0 auto;
  }

  body[data-dm] .faq-interlude {
    max-width: 860px;
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 640px) {
  body[data-dm] .faq-side figure {
    border-radius: 12px;
    padding: 8px;
  }

  body[data-dm] .faq-side img,
  body[data-dm] .faq-interlude img {
    border-radius: 6px;
  }

  body[data-dm] .faq-interlude {
    border-radius: 12px;
    padding: 8px;
    margin: 28px 0;
  }
}