/* ==========================================================================
   鎏金誓言 GOLDEVOW ATELIER — PC 端样式
   欧美风 · 香槟金奢华暗色调 · 面向 ≥1200px 桌面（1366–1920 表现良好）
   ========================================================================== */

/* --------------------------------------------------------------------------
   01 · 设计变量
   -------------------------------------------------------------------------- */
:root {
  /* 色板 */
  --gold: #C6A15B;
  --gold-deep: #B08D3F;
  --gold-light: #E7CD9A;
  --gold-line: rgba(198, 161, 91, .35);
  --gold-line-soft: rgba(198, 161, 91, .18);
  --coffee: #221A10;
  --coffee-2: #2B2117;
  --coffee-3: #372B1B;
  --ivory: #F8F4EA;
  --ivory-deep: #EFE7D4;
  --ink: #2A2013;
  --t-main: #F4EDDE;
  --t-dim: rgba(244, 237, 222, .62);
  --t-faint: rgba(244, 237, 222, .4);
  --t-coffee: #33291B;
  --t-coffee-dim: rgba(51, 41, 27, .66);
  --danger: #D98A7A;
  --danger-deep: #C96A5B;

  /* 字体栈（仅系统字体，无 webfont） */
  --serif: Georgia, "Times New Roman", "Songti SC", "STSong", "SimSun", serif;
  --sans: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;

  /* 金色渐变 */
  --gold-grad: linear-gradient(120deg, #EDD9A8 0%, #C6A15B 48%, #A8843C 100%);
  --gold-grad-btn: linear-gradient(135deg, #DCBE84 0%, #C6A15B 45%, #B08D3F 100%);

  /* 布局与节奏 */
  --w-page: 1180px;
  --sec-pad: 104px;
  --tr: .35s cubic-bezier(.4, 0, .2, 1);
  --tr-slow: .7s cubic-bezier(.22, .61, .36, 1);
  --shadow-deep: 0 26px 60px rgba(10, 6, 2, .45);
}

/* --------------------------------------------------------------------------
   02 · 基础与重置
   -------------------------------------------------------------------------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
  font-family: var(--sans);
  background: var(--coffee);
  color: var(--t-main);
  font-size: 15px;
  line-height: 1.78;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select, textarea { font-family: inherit; font-size: inherit; }
em, i { font-style: normal; }
blockquote, figure { margin: 0; }

::selection { background: rgba(198, 161, 91, .4); color: #FFF; }

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

body.no-scroll { overflow: hidden; }

.container {
  width: 100%;
  max-width: var(--w-page);
  margin: 0 auto;
  padding: 0 24px;
}

/* --------------------------------------------------------------------------
   03 · 通用组件：渐变金字 / 菱形 / 标题组 / 按钮 / 图框
   -------------------------------------------------------------------------- */
.grad-text {
  background: var(--gold-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.dia { font-style: normal; color: var(--gold); font-size: .82em; }

.serif { font-family: var(--serif); font-weight: 400; }

/* 英文小标：全大写 · 宽字距 · 金色 */
.eyebrow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  font-size: 12px;
  letter-spacing: .46em;
  text-transform: uppercase;
  color: var(--gold);
  text-indent: .46em; /* 平衡末字符字距 */
}

.sec-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px;
}

.sec-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(30px, 3vw, 40px);
  letter-spacing: .1em;
  line-height: 1.4;
  color: var(--t-main);
  margin-top: 18px;
}

.sec-sub {
  margin-top: 14px;
  font-size: 14px;
  letter-spacing: .06em;
  color: var(--t-dim);
}

.section--light .sec-title { color: var(--t-coffee); }
.section--light .sec-sub { color: var(--t-coffee-dim); }
.section--light .eyebrow { color: var(--gold-deep); }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 14px;
  letter-spacing: .24em;
  text-indent: .24em;
  padding: 16px 42px;
  border: 1px solid transparent;
  transition: var(--tr);
  white-space: nowrap;
}

.btn--gold {
  background: var(--gold-grad-btn);
  color: var(--ink);
  font-weight: 600;
}
.btn--gold:hover {
  transform: translateY(-2px);
  filter: brightness(1.07);
  box-shadow: 0 16px 36px rgba(198, 161, 91, .32);
}
.btn--gold:active { transform: translateY(0); filter: brightness(.95); box-shadow: none; }

.btn--outline {
  border-color: var(--gold-line);
  color: var(--gold-light);
  background: rgba(198, 161, 91, .05);
}
.btn--outline:hover {
  border-color: var(--gold);
  color: #F5E6C2;
  background: rgba(198, 161, 91, .14);
  transform: translateY(-2px);
}
.btn--outline:active { transform: translateY(0); background: rgba(198, 161, 91, .2); }

.btn--deep { background: var(--coffee); color: var(--gold-light); }
.btn--deep:hover { background: var(--coffee-3); transform: translateY(-2px); box-shadow: 0 16px 34px rgba(20, 12, 4, .35); }
.btn--deep:active { transform: translateY(0); box-shadow: none; }

.btn--ghost-dark {
  border-color: rgba(51, 41, 27, .38);
  color: var(--t-coffee);
  background: transparent;
}
.btn--ghost-dark:hover {
  border-color: var(--gold-deep);
  color: var(--gold-deep);
  background: rgba(176, 141, 63, .08);
  transform: translateY(-2px);
}
.btn--ghost-dark:active { transform: translateY(0); }

/* 装裱式金框照片：1px 金框 + 8px 象牙内衬 */
.frame-card {
  display: block;
  border: 1px solid var(--gold-line);
  background: var(--ivory);
  padding: 8px;
  transition: var(--tr);
}

/* 图片兜底容器：深咖/金渐变底 + 固定比例，图片隐藏后版面不塌 */
.ph {
  display: block;
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, #3D3120 0%, #2B2117 55%, #221A10 100%);
}
.ph img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .9s var(--tr-slow);
}
.ph--portrait { aspect-ratio: 3 / 4; }
.ph--land { aspect-ratio: 4 / 3; }

/* --------------------------------------------------------------------------
   04 · 吸顶导航
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(34, 26, 16, .85);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--gold-line-soft);
  transition: var(--tr);
}
.site-header.is-scrolled {
  background: rgba(34, 26, 16, .96);
  border-bottom-color: var(--gold-line);
  box-shadow: 0 14px 36px rgba(8, 5, 1, .4);
}

.header-inner {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand { display: flex; flex-direction: column; line-height: 1.15; flex: none; }
.brand-name {
  font-family: var(--serif);
  font-size: 25px;
  color: var(--gold);
  letter-spacing: .16em;
  transition: color var(--tr);
}
.brand-en {
  margin-top: 5px;
  font-size: 10px;
  letter-spacing: .38em;
  text-transform: uppercase;
  color: var(--t-dim);
}
.brand:hover .brand-name { color: var(--gold-light); }

.nav { display: flex; align-items: center; gap: 34px; }
.nav-link {
  position: relative;
  font-size: 14px;
  letter-spacing: .12em;
  color: var(--t-main);
  padding: 8px 0;
  transition: color var(--tr);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width var(--tr);
}
.nav-link:hover, .nav-link.is-active { color: var(--gold-light); }
.nav-link:hover::after, .nav-link.is-active::after { width: 100%; }
.nav-link:active { color: var(--gold); }

.header-cta { padding: 11px 26px; font-size: 13px; }

/* --------------------------------------------------------------------------
   05 · 首页 Hero：徽章框构图
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 160px 24px 120px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 68% 52% at 50% 40%, rgba(198, 161, 91, .06), transparent 70%),
    radial-gradient(ellipse 46% 40% at 50% 92%, rgba(198, 161, 91, .04), transparent 70%),
    var(--coffee);
}

.hero-corner {
  position: absolute;
  font-style: normal;
  font-size: 14px;
  color: rgba(198, 161, 91, .42);
}
.hero-corner--tl { top: 122px; left: 7%; }
.hero-corner--tr { top: 122px; right: 7%; }
.hero-corner--bl { bottom: 128px; left: 7%; }
.hero-corner--br { bottom: 128px; right: 7%; }

.hero-inner { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; }

.hero-tag {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--gold);
  font-size: 12px;
  letter-spacing: .52em;
  text-indent: .52em;
  text-transform: uppercase;
  margin-bottom: 30px;
}
.hero-tag .tag-line { width: 64px; height: 1px; background: var(--gold-line); }

/* 细金双线徽章框 */
.badge-frame {
  position: relative;
  border: 1px solid var(--gold-line);
  padding: 54px 90px 50px;
  max-width: 880px;
}
.badge-frame::before {
  content: "";
  position: absolute;
  inset: 7px;
  border: 1px solid rgba(198, 161, 91, .22);
  pointer-events: none;
}

.hero-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(44px, 4.6vw, 64px);
  line-height: 1.28;
  letter-spacing: .14em;
  text-indent: .14em;
  color: var(--t-main);
  text-shadow: 0 4px 30px rgba(0, 0, 0, .4);
}

.hero-sub {
  margin-top: 20px;
  font-family: var(--serif);
  font-size: 19px;
  letter-spacing: .3em;
  text-indent: .3em;
}

.hero-desc {
  margin-top: 30px;
  font-size: 15px;
  letter-spacing: .1em;
  color: var(--t-dim);
  max-width: 560px;
}

.hero-actions { margin-top: 38px; display: flex; gap: 20px; }

.hero-scroll {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.scroll-hint {
  font-size: 10px;
  letter-spacing: .44em;
  text-indent: .44em;
  text-transform: uppercase;
  color: var(--t-faint);
}
.scroll-line {
  width: 1px;
  height: 64px;
  background: rgba(198, 161, 91, .18);
  position: relative;
  overflow: hidden;
}
.scroll-line::after {
  content: "";
  position: absolute;
  left: 0;
  top: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, transparent, var(--gold));
  animation: scrollDrop 2.4s ease-in-out infinite;
}
@keyframes scrollDrop {
  0% { top: -100%; }
  62% { top: 100%; }
  100% { top: 100%; }
}

/* --------------------------------------------------------------------------
   06 · 区块通用 / 服务金边卡
   -------------------------------------------------------------------------- */
.section { padding: var(--sec-pad) 0; position: relative; }

.section--tint { background: var(--coffee-2); }

.section--light {
  background:
    radial-gradient(ellipse 60% 40% at 50% 0%, rgba(198, 161, 91, .12), transparent 70%),
    var(--ivory);
  color: var(--t-coffee);
}

.svc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
}

.svc-card {
  position: relative;
  border: 1px solid var(--gold-line-soft);
  background:
    linear-gradient(165deg, rgba(198, 161, 91, .06), rgba(198, 161, 91, 0) 46%),
    var(--coffee-2);
  padding: 44px 42px 38px;
  transition: var(--tr);
}
.svc-card::after {
  content: "◆";
  position: absolute;
  top: 18px;
  right: 20px;
  font-size: 10px;
  color: rgba(198, 161, 91, .3);
  transition: var(--tr);
}
.svc-card:hover {
  transform: translateY(-6px);
  border-color: var(--gold-line);
  box-shadow: var(--shadow-deep);
}
.svc-card:hover::after { color: var(--gold); }
.svc-card:active { transform: translateY(-2px); }

.svc-icon {
  width: 56px;
  height: 56px;
  border: 1px solid var(--gold-line);
  background: rgba(198, 161, 91, .06);
  display: flex;
  align-items: center;
  justify-content: center;
  transform: rotate(45deg);
  margin-bottom: 26px;
  transition: var(--tr);
}
.svc-icon i { transform: rotate(-45deg); color: var(--gold); font-size: 21px; }
.svc-card:hover .svc-icon { background: rgba(198, 161, 91, .14); border-color: var(--gold); }

.svc-name {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 26px;
  letter-spacing: .1em;
  color: var(--t-main);
}
.svc-desc { margin-top: 12px; font-size: 14px; color: var(--t-dim); max-width: 420px; }

.svc-price {
  margin-top: 20px;
  font-family: var(--serif);
  font-size: 24px;
  color: var(--gold);
  letter-spacing: .04em;
}
.svc-price em { font-size: 16px; margin-right: 2px; }
.price-unit {
  font-family: var(--sans);
  font-size: 12px;
  color: var(--t-dim);
  margin-left: 8px;
  letter-spacing: .18em;
}

.svc-more {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--gold);
  transition: var(--tr);
}
.svc-more i { transition: transform var(--tr); }
.svc-more:hover { color: var(--gold-light); }
.svc-more:hover i { transform: translateX(5px); }

.svc-note {
  margin-top: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-size: 13px;
  letter-spacing: .22em;
  color: var(--t-dim);
}

/* --------------------------------------------------------------------------
   07 · 臻选案例（象牙浅色段 / 金框卡）
   -------------------------------------------------------------------------- */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.case-card { display: block; cursor: pointer; }

.case-card .frame-card { height: 100%; border-color: rgba(176, 141, 63, .5); }

.case-card:hover { transform: translateY(-6px); }
.case-card { transition: var(--tr); }
.case-card:hover .frame-card { box-shadow: 0 24px 48px rgba(51, 41, 27, .16); border-color: var(--gold-deep); }
.case-card:hover .ph img { transform: scale(1.06); }
.case-card:active { transform: translateY(-2px); }

.section--casespage .case-card:hover .frame-card { box-shadow: var(--shadow-deep); border-color: var(--gold); }

.case-info { display: block; padding: 20px 12px 12px; }

.case-theme {
  display: block;
  font-family: var(--serif);
  font-size: 23px;
  letter-spacing: .12em;
  color: var(--t-coffee);
}
.section--casespage .case-theme { color: var(--t-main); }

.case-meta {
  display: block;
  margin-top: 8px;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--t-coffee-dim);
}
.section--casespage .case-meta { color: var(--t-dim); }

.case-couple {
  display: block;
  margin-top: 4px;
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--gold-deep);
}
.section--casespage .case-couple { color: var(--gold); }

.cases-more { text-align: center; margin-top: 48px; }

/* --------------------------------------------------------------------------
   08 · 数据带（◆ 分隔）
   -------------------------------------------------------------------------- */
.stats {
  padding: 92px 0;
  background:
    radial-gradient(ellipse 62% 90% at 50% 50%, rgba(198, 161, 91, .055), transparent 72%),
    var(--coffee-2);
  border-top: 1px solid var(--gold-line-soft);
  border-bottom: 1px solid var(--gold-line-soft);
}

.stats-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.stat { flex: 1; text-align: center; }
.stat-num {
  font-family: var(--serif);
  font-size: clamp(44px, 4.4vw, 62px);
  line-height: 1.08;
  letter-spacing: .02em;
}
.stat-num em { font-size: .52em; margin-left: 3px; }
.stat-label {
  margin-top: 14px;
  font-size: 12.5px;
  letter-spacing: .32em;
  text-indent: .32em;
  color: var(--t-dim);
}
.stat-sep {
  font-style: normal;
  color: rgba(198, 161, 91, .5);
  font-size: 14px;
  flex: none;
}

/* --------------------------------------------------------------------------
   09 · 五步流程时间轴
   -------------------------------------------------------------------------- */
.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 34px;
  margin-top: 12px;
}
.timeline::before {
  content: "";
  position: absolute;
  top: 9px;
  left: 3%;
  right: 3%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-line) 10%, var(--gold-line) 90%, transparent);
}

.step { position: relative; text-align: center; padding-top: 0; }
.step-node {
  position: absolute;
  top: 1px;
  left: 50%;
  margin-left: -8px;
  width: 16px;
  height: 16px;
  transform: rotate(45deg);
  border: 1px solid var(--gold);
  background: var(--coffee);
  transition: var(--tr);
}
.step:hover .step-node { background: var(--gold); box-shadow: 0 0 0 5px rgba(198, 161, 91, .12); }

.step-body { padding-top: 44px; }
.step-num {
  font-size: 12px;
  letter-spacing: .4em;
  text-indent: .4em;
  color: var(--gold);
}
.step-name {
  margin-top: 10px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 21px;
  letter-spacing: .12em;
  color: var(--t-main);
}
.step-desc { margin-top: 10px; font-size: 13px; line-height: 1.85; color: var(--t-dim); }

/* --------------------------------------------------------------------------
   10 · 评价轮播（金色大引号）
   -------------------------------------------------------------------------- */
.section--tst {
  background:
    radial-gradient(ellipse 55% 48% at 50% 26%, rgba(198, 161, 91, .05), transparent 72%),
    var(--coffee);
}

.tst { max-width: 880px; margin: 0 auto; }
.tst-viewport { overflow: hidden; }
.tst-track {
  display: flex;
  transition: transform .65s var(--tr-slow);
}
.tst-slide {
  min-width: 100%;
  text-align: center;
  padding: 0 48px;
}
.tst-mark {
  font-family: var(--serif);
  font-size: 110px;
  line-height: .55;
  height: 44px;
  color: rgba(198, 161, 91, .32);
  user-select: none;
}
.tst-text {
  font-family: var(--serif);
  font-size: clamp(20px, 1.8vw, 25px);
  line-height: 2;
  letter-spacing: .06em;
  color: var(--t-main);
  max-width: 760px;
  margin: 0 auto;
}
.tst-author {
  margin-top: 26px;
  font-size: 13px;
  letter-spacing: .22em;
  color: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.tst-slide:not(.is-active) { opacity: .25; transition: opacity .65s ease; }
.tst-slide.is-active { opacity: 1; transition: opacity .65s ease; }

.tst-nav {
  margin-top: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 26px;
}
.tst-btn {
  width: 46px;
  height: 46px;
  border: 1px solid var(--gold-line);
  color: var(--gold);
  font-size: 14px;
  transition: var(--tr);
}
.tst-btn:hover { background: rgba(198, 161, 91, .14); color: var(--gold-light); border-color: var(--gold); }
.tst-btn:active { background: rgba(198, 161, 91, .24); }

.tst-dots { display: flex; align-items: center; gap: 14px; }
.tst-dot {
  width: 9px;
  height: 9px;
  padding: 0;
  transform: rotate(45deg);
  background: rgba(198, 161, 91, .28);
  border: 1px solid transparent;
  transition: var(--tr);
}
.tst-dot:hover { background: rgba(198, 161, 91, .55); }
.tst-dot.is-active { background: var(--gold); box-shadow: 0 0 0 4px rgba(198, 161, 91, .14); }

/* --------------------------------------------------------------------------
   11 · 金渐变 CTA 横带
   -------------------------------------------------------------------------- */
.cta-band {
  position: relative;
  overflow: hidden;
  padding: 68px 0;
  background: linear-gradient(120deg, #DCC088 0%, #C6A15B 44%, #A9863F 100%);
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 46% 100% at 86% 50%, rgba(255, 246, 220, .28), transparent 62%);
  pointer-events: none;
}
.cta-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.cta-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(28px, 2.8vw, 38px);
  letter-spacing: .12em;
  color: var(--ink);
}
.cta-sub { margin-top: 10px; font-size: 14px; letter-spacing: .08em; color: rgba(42, 32, 19, .74); }

/* --------------------------------------------------------------------------
   12 · 波浪金细线 + 页脚
   -------------------------------------------------------------------------- */
.wave-divider { line-height: 0; background: var(--coffee); }
.wave-divider svg { display: block; width: 100%; height: 70px; }

.site-footer {
  background: var(--coffee);
  padding-top: 64px;
  border-top: 1px solid var(--gold-line-soft);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.45fr .8fr 1.25fr 1.3fr;
  gap: 48px;
  padding-bottom: 56px;
}

.footer-brand { min-width: 0; }

.footer-logo {
  font-family: var(--serif);
  font-size: 30px;
  letter-spacing: .16em;
  color: var(--gold);
}
.footer-en {
  margin-top: 6px;
  font-size: 10px;
  letter-spacing: .4em;
  text-transform: uppercase;
  color: var(--t-dim);
}
.footer-slogan { margin-top: 14px; font-size: 13px; letter-spacing: .3em; color: var(--gold); }
.footer-brief { margin-top: 16px; font-size: 13px; line-height: 1.95; color: var(--t-dim); max-width: 320px; }

.footer-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .3em;
  color: var(--gold);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-title .dia { font-size: 9px; }

.footer-links li a {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  font-size: 14px;
  color: var(--t-dim);
  padding: 5px 0;
  transition: color var(--tr), transform var(--tr);
}
.footer-links li a:hover { color: var(--gold-light); transform: translateX(4px); }
.footer-links li a span { font-size: 11.5px; color: var(--t-faint); letter-spacing: .05em; }
.footer-links li a:hover span { color: var(--gold); }

.footer-contact li {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 5px 0;
  font-size: 13.5px;
  color: var(--t-dim);
  line-height: 1.8;
}
.footer-contact li i {
  color: var(--gold);
  width: 18px;
  flex: none;
  text-align: center;
  font-size: 13px;
  transform: translateY(1px);
}

.footer-bottom {
  border-top: 1px solid var(--gold-line-soft);
  padding: 22px 0 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--t-faint);
}

/* --------------------------------------------------------------------------
   13 · 返回顶部 / 滚动渐显
   -------------------------------------------------------------------------- */
.backtop {
  position: fixed;
  right: 36px;
  bottom: 36px;
  z-index: 90;
  width: 48px;
  height: 48px;
  border: 1px solid var(--gold-line);
  background: rgba(34, 26, 16, .92);
  color: var(--gold);
  font-size: 14px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: var(--tr);
}
.backtop.is-show { opacity: 1; visibility: visible; transform: none; }
.backtop:hover { background: var(--gold); color: var(--coffee); border-color: var(--gold); }
.backtop:active { transform: scale(.94); }

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .9s ease, transform .9s var(--tr-slow);
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .1s; }
.reveal[data-delay="2"] { transition-delay: .2s; }
.reveal[data-delay="3"] { transition-delay: .3s; }
.reveal[data-delay="4"] { transition-delay: .4s; }

/* --------------------------------------------------------------------------
   14 · 内页页头
   -------------------------------------------------------------------------- */
.page-hero {
  padding: 186px 0 80px;
  text-align: center;
  border-bottom: 1px solid var(--gold-line-soft);
  background:
    radial-gradient(ellipse 62% 78% at 50% 8%, rgba(198, 161, 91, .07), transparent 72%),
    var(--coffee);
}
.page-title {
  margin-top: 20px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(34px, 3.4vw, 46px);
  letter-spacing: .22em;
  text-indent: .22em;
  color: var(--t-main);
}
.page-sub {
  margin-top: 16px;
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--t-dim);
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}

/* --------------------------------------------------------------------------
   15 · 服务项目页
   -------------------------------------------------------------------------- */
.svc-block {
  display: grid;
  grid-template-columns: 470px 1fr;
  gap: 56px;
  align-items: center;
  padding: 62px 0;
  border-bottom: 1px solid var(--gold-line-soft);
}
.svc-block:first-of-type { padding-top: 10px; }
.svc-block:last-of-type { border-bottom: none; }

.svc-block-media .frame-card { border-color: var(--gold-line); }
.svc-block-media:hover .ph img { transform: scale(1.05); }
.svc-block-body { min-width: 0; }

.svc-block-tag {
  font-size: 11px;
  letter-spacing: .34em;
  text-transform: uppercase;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 12px;
}
.svc-block-name {
  margin-top: 12px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 34px;
  letter-spacing: .1em;
  color: var(--t-main);
}
.svc-block-desc { margin-top: 14px; font-size: 14px; line-height: 1.95; color: var(--t-dim); }

.svc-inc {
  margin-top: 22px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 30px;
}
.svc-inc li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 13.5px;
  color: var(--t-dim);
}
.svc-inc li i { color: var(--gold); font-size: 11px; flex: none; }

.svc-block-foot {
  margin-top: 28px;
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}
.svc-block-price {
  font-family: var(--serif);
  font-size: 32px;
  color: var(--gold);
  letter-spacing: .03em;
}
.svc-block-price em { font-size: 19px; margin-right: 2px; }

/* 私享权益条 */
.priv-band {
  border: 1px solid var(--gold-line-soft);
  background:
    linear-gradient(165deg, rgba(198, 161, 91, .07), rgba(198, 161, 91, 0) 48%),
    var(--coffee-2);
  padding: 48px 46px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 38px;
}
.priv-item { text-align: center; }
.priv-icon {
  width: 54px;
  height: 54px;
  margin: 0 auto;
  border: 1px solid var(--gold-line);
  background: rgba(198, 161, 91, .06);
  transform: rotate(45deg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--tr);
}
.priv-icon i { transform: rotate(-45deg); color: var(--gold); font-size: 19px; }
.priv-item:hover .priv-icon { background: rgba(198, 161, 91, .16); border-color: var(--gold); }
.priv-name {
  margin-top: 20px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 19px;
  letter-spacing: .1em;
  color: var(--t-main);
}
.priv-desc { margin-top: 8px; font-size: 12.5px; line-height: 1.85; color: var(--t-dim); }

.svc-page-cta {
  margin-top: 56px;
  border: 1px solid var(--gold-line-soft);
  background: linear-gradient(120deg, rgba(198, 161, 91, .1), rgba(198, 161, 91, .02));
  padding: 38px 46px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.svc-page-cta-text {
  font-family: var(--serif);
  font-size: 21px;
  letter-spacing: .1em;
  color: var(--t-main);
}

/* --------------------------------------------------------------------------
   16 · 案例页：筛选与弹层
   -------------------------------------------------------------------------- */
.chips {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  margin: 0 0 50px;
}
.chip {
  padding: 11px 30px;
  border: 1px solid var(--gold-line-soft);
  color: var(--t-dim);
  font-size: 13px;
  letter-spacing: .2em;
  text-indent: .2em;
  transition: var(--tr);
}
.chip:hover { color: var(--gold-light); border-color: var(--gold-line); }
.chip:active { background: rgba(198, 161, 91, .16); }
.chip.is-active {
  background: var(--gold-grad-btn);
  border-color: var(--gold);
  color: var(--ink);
  font-weight: 600;
}

/* 通用弹层 */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .35s ease, visibility .35s ease;
}
.modal.is-open { opacity: 1; visibility: visible; }

.modal-mask {
  position: absolute;
  inset: 0;
  background: rgba(18, 12, 5, .78);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.modal-card {
  position: relative;
  z-index: 1;
  background: var(--coffee-2);
  border: 1px solid var(--gold-line);
  box-shadow: 0 34px 90px rgba(0, 0, 0, .55);
  transform: translateY(26px) scale(.97);
  transition: transform .35s var(--tr);
  max-width: 100%;
}
.modal.is-open .modal-card { transform: none; }

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 3;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gold-line);
  background: rgba(34, 26, 16, .85);
  color: var(--gold);
  font-size: 15px;
  transition: var(--tr);
}
.modal-close:hover { background: var(--gold); color: var(--coffee); }
.modal-close:active { transform: scale(.92); }

/* 案例详情弹层 */
.modal-card--case {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 900px;
}
.case-modal-ph {
  position: relative;
  overflow: hidden;
  min-height: 540px;
  background: linear-gradient(160deg, #3D3120 0%, #2B2117 55%, #221A10 100%);
}
.case-modal-ph img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.case-modal-body { padding: 46px 44px 40px; }
.case-modal-eyebrow { justify-content: flex-start; }
.case-modal-title {
  margin-top: 14px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 32px;
  letter-spacing: .14em;
  color: var(--t-main);
}
.case-modal-meta { margin-top: 24px; }
.case-modal-meta li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(198, 161, 91, .14);
}
.cm-k { font-size: 12px; letter-spacing: .3em; color: var(--t-faint); flex: none; }
.cm-v { font-size: 14.5px; letter-spacing: .04em; color: var(--t-main); text-align: right; }
.case-modal-style { margin-top: 20px; font-size: 13px; letter-spacing: .16em; color: var(--gold); }
.case-modal-note { margin: 14px 0 24px; font-size: 12.5px; line-height: 1.85; color: var(--t-faint); }

/* 成功弹层 */
.modal-card--success {
  width: 470px;
  padding: 50px 46px 42px;
  text-align: center;
}
.success-icon { font-size: 54px; color: var(--gold); }
.modal-title {
  margin-top: 20px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 27px;
  letter-spacing: .14em;
  color: var(--t-main);
}
.modal-text { margin: 16px 0 28px; font-size: 14px; line-height: 1.95; color: var(--t-dim); }

/* --------------------------------------------------------------------------
   17 · 关于我们页
   -------------------------------------------------------------------------- */
.about-intro {
  display: grid;
  grid-template-columns: 440px 1fr;
  gap: 64px;
  align-items: center;
}
.about-body { min-width: 0; }
.contact-side { min-width: 0; }
.about-media .frame-card { border-color: var(--gold-line); }
.about-media:hover .ph img { transform: scale(1.05); }

.about-eyebrow { justify-content: flex-start; }
.about-title {
  margin-top: 16px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(28px, 2.6vw, 36px);
  letter-spacing: .1em;
  line-height: 1.5;
  color: var(--t-main);
}
.about-para { margin-top: 18px; font-size: 14.5px; line-height: 2.05; color: var(--t-dim); }

.about-data-row {
  margin-top: 34px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 26px;
  flex-wrap: wrap;
}
.adata { text-align: center; }
.adata-num { font-family: var(--serif); font-size: 36px; line-height: 1.1; }
.adata-num em { font-size: .5em; margin-left: 2px; }
.adata-label { margin-top: 8px; font-size: 11.5px; letter-spacing: .24em; text-indent: .24em; color: var(--t-dim); }
.adata-sep { font-style: normal; color: rgba(198, 161, 91, .45); font-size: 12px; }

/* 品牌年轮：纵向金细线时间轴 */
.section--milestone {
  background:
    radial-gradient(ellipse 50% 60% at 50% 40%, rgba(198, 161, 91, .04), transparent 72%),
    var(--coffee-2);
}
.timeline-v {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  padding-left: 6px;
}
.timeline-v::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--gold-line) 7%, var(--gold-line) 93%, transparent);
}
.tl-item { position: relative; padding: 0 0 38px 52px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-node {
  position: absolute;
  left: 6px;
  top: 10px;
  width: 11px;
  height: 11px;
  transform: rotate(45deg);
  border: 1px solid var(--gold);
  background: var(--coffee-2);
  transition: var(--tr);
}
.tl-item:hover .tl-node { background: var(--gold); box-shadow: 0 0 0 5px rgba(198, 161, 91, .12); }
.tl-year {
  font-family: var(--serif);
  font-size: 25px;
  letter-spacing: .1em;
  color: var(--gold);
}
.tl-text { margin-top: 6px; font-size: 14px; line-height: 1.9; color: var(--t-dim); max-width: 540px; }

/* 主创团队 */
.section--light .frame-card { border-color: rgba(176, 141, 63, .55); box-shadow: 0 18px 40px rgba(51, 41, 27, .08); }
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}
.team-card { transition: var(--tr); }
.team-card:hover { transform: translateY(-6px); }
.team-card:hover .ph img { transform: scale(1.06); }
.team-card:active { transform: translateY(-2px); }
.team-info { display: block; padding: 18px 10px 12px; text-align: center; }
.team-name {
  display: block;
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: .18em;
  color: var(--t-coffee);
}
.team-role {
  display: block;
  margin-top: 6px;
  font-size: 11.5px;
  letter-spacing: .24em;
  text-indent: .24em;
  color: var(--gold-deep);
}
.team-years {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.8;
  color: var(--t-coffee-dim);
}

/* 价值主张 */
.values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.value-item {
  text-align: center;
  border: 1px solid var(--gold-line-soft);
  background: linear-gradient(165deg, rgba(198, 161, 91, .05), rgba(198, 161, 91, 0) 50%), var(--coffee-2);
  padding: 46px 34px 42px;
  transition: var(--tr);
}
.value-item:hover { transform: translateY(-6px); border-color: var(--gold-line); box-shadow: var(--shadow-deep); }
.value-mark { font-style: normal; font-size: 15px; color: var(--gold); }
.value-title {
  margin-top: 16px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 23px;
  letter-spacing: .16em;
  color: var(--t-main);
}
.value-text { margin-top: 12px; font-size: 13.5px; line-height: 1.95; color: var(--t-dim); }
.values-cta { text-align: center; margin-top: 52px; }

/* --------------------------------------------------------------------------
   18 · 私享预约页：表单 / 信息卡 / FAQ
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.12fr .92fr;
  gap: 52px;
  align-items: start;
}

.form-card {
  border: 1px solid var(--gold-line-soft);
  background: linear-gradient(165deg, rgba(198, 161, 91, .05), rgba(198, 161, 91, 0) 40%), var(--coffee-2);
  padding: 48px 46px 42px;
}
.form-eyebrow { justify-content: flex-start; font-size: 11px; }
.form-title {
  margin-top: 12px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 28px;
  letter-spacing: .12em;
  color: var(--t-main);
}
.form-sub { margin-top: 10px; font-size: 12.5px; color: var(--t-faint); letter-spacing: .05em; }
.req { font-style: normal; color: var(--gold); }

.field { margin-top: 26px; }
.field label {
  display: block;
  font-size: 12px;
  letter-spacing: .26em;
  color: var(--gold);
  margin-bottom: 8px;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--gold-line-soft);
  color: var(--t-main);
  font-size: 15px;
  letter-spacing: .04em;
  padding: 10px 2px 12px;
  transition: border-color var(--tr), background var(--tr);
  border-radius: 0;
}
.field textarea { resize: vertical; min-height: 96px; line-height: 1.85; }
.field input::placeholder,
.field textarea::placeholder { color: rgba(244, 237, 222, .28); }
.field input:hover, .field select:hover, .field textarea:hover { border-bottom-color: var(--gold-line); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-bottom-color: var(--gold);
  background: rgba(198, 161, 91, .04);
}
.field select {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23C6A15B' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 4px center;
}
.field select option { background: #2B2117; color: #F4EDDE; }
.field select:invalid, .field select option[value=""] { color: rgba(244, 237, 222, .4); }

.field-error {
  display: none;
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--danger);
}
.field.has-error .field-error { display: block; }
.field.has-error input,
.field.has-error select,
.field.has-error textarea { border-bottom-color: var(--danger-deep); }

.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }

.form-submit { width: 100%; margin-top: 34px; }
.form-note {
  margin-top: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 12px;
  color: var(--t-faint);
}
.form-note i { color: var(--gold); font-size: 12px; }

.info-card {
  border: 1px solid var(--gold-line);
  background:
    linear-gradient(165deg, rgba(198, 161, 91, .08), rgba(198, 161, 91, 0) 55%),
    var(--coffee-2);
  padding: 42px 40px 30px;
}
.info-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 23px;
  letter-spacing: .12em;
  color: var(--t-main);
  margin-bottom: 8px;
}
.info-list li { display: flex; gap: 16px; padding: 16px 0; border-bottom: 1px solid rgba(198, 161, 91, .14); }
.info-list li:last-child { border-bottom: none; }
.info-ico { color: var(--gold); width: 20px; flex: none; text-align: center; font-size: 14px; margin-top: 4px; }
.info-name { font-size: 11px; letter-spacing: .3em; text-transform: uppercase; color: var(--t-faint); }
.info-val { margin-top: 4px; font-size: 14.5px; letter-spacing: .04em; line-height: 1.7; color: var(--t-main); }

.tip-card {
  margin-top: 26px;
  border: 1px dashed var(--gold-line);
  background: rgba(198, 161, 91, .045);
  padding: 26px 30px;
}
.tip-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: .26em;
  color: var(--gold);
}
.tip-text { margin-top: 10px; font-size: 13px; line-height: 1.95; color: var(--t-dim); }

/* FAQ 手风琴 */
.faq-list { border-top: 1px solid var(--gold-line-soft); max-width: 880px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--gold-line-soft); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  padding: 26px 6px;
  text-align: left;
  font-family: var(--serif);
  font-size: 17.5px;
  letter-spacing: .08em;
  color: var(--t-main);
  transition: color var(--tr);
}
.faq-q:hover { color: var(--gold-light); }
.faq-q:active { color: var(--gold); }
.faq-icon { color: var(--gold); font-size: 13px; transition: transform .35s var(--tr); flex: none; }
.faq-item.is-open .faq-icon { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .45s ease; }
.faq-a p { padding: 0 6px 28px; font-size: 14px; line-height: 2.05; color: var(--t-dim); max-width: 820px; }

/* --------------------------------------------------------------------------
   19 · 窄桌面兼容（1200–1366）
   -------------------------------------------------------------------------- */
@media (max-width: 1360px) {
  .badge-frame { padding: 46px 66px 44px; }
  .hero-corner--tl, .hero-corner--tr { top: 112px; }
  .hero-corner--bl, .hero-corner--br { bottom: 112px; }
  .hero-corner--tl, .hero-corner--bl { left: 4%; }
  .hero-corner--tr, .hero-corner--br { right: 4%; }
  .svc-block { grid-template-columns: 420px 1fr; gap: 44px; }
  .about-intro { grid-template-columns: 400px 1fr; gap: 48px; }
}

@media (max-width: 1240px) {
  :root { --w-page: 1080px; }
  .nav { gap: 24px; }
  .svc-grid { gap: 20px; }
  .svc-card { padding: 38px 32px 34px; }
  .footer-grid { grid-template-columns: 1.3fr 1fr 1.2fr; }
  .footer-grid .footer-col:last-child { grid-column: 1 / -1; }
}

@media (max-width: 1199px) {
  .modal-card--case { grid-template-columns: 1fr; width: 560px; }
  .case-modal-ph { min-height: 320px; aspect-ratio: 4 / 3; }
  .modal-card--success { width: 440px; }
  .priv-band { grid-template-columns: repeat(2, 1fr); }
  .values { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: repeat(2, 1fr); row-gap: 44px; }
  .timeline::before { display: none; }
  .step-node { display: none; }
  .step-body { padding-top: 0; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .about-intro { grid-template-columns: 1fr; }
  .svc-block { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-row { flex-wrap: wrap; gap: 36px 20px; }
  .stat { flex: 1 1 40%; }
  .stat-sep { display: none; }
}