/* =========================================================
   通讯猫超级门店招商官网 · styles.css  (v2 优化版)
   品牌色 #eb000d · 主题色 #f10826
   性能：移除 background-attachment:fixed，视差改 transform 驱动
   设计：中性阴影系统、统一抬升、跨浏览器数字水印、焦点态
   ========================================================= */

:root {
  /* 色彩 */
  --brand: #eb000d;
  --theme: #f10826;
  --brand-deep: #b3000a;
  --brand-soft: #ffe3e5;
  --gold: #f2ba02;

  --ink-900: #14060a;
  --ink-800: #1a0a0e;
  --ink-700: #260f14;
  --gray-900: #1a1a1a;
  --gray-700: #3a3a3a;
  --gray-500: #6b6b6b;
  --gray-300: #d6d6d6;
  --gray-100: #f5f5f5;
  --white: #ffffff;

  /* 字体（系统栈，不引入 Google Fonts） */
  --font-cn: "PingFang SC", "Microsoft YaHei", "微软雅黑", "Source Han Sans SC", "Noto Sans CJK SC", "Hiragino Sans GB", Arial, sans-serif;

  /* 尺寸 */
  --container: 1240px;
  --radius: 14px;
  --radius-lg: 22px;

  /* 抬升系统：红色调用于主操作/深色块；中性用于浅色卡片 */
  --shadow-red: 0 18px 50px -18px rgba(235, 0, 13, 0.35);
  --shadow: 0 18px 50px -22px rgba(20, 6, 10, 0.22);        /* 中性主阴影 */
  --shadow-soft: 0 8px 28px -14px rgba(20, 6, 10, 0.16);     /* 中性轻阴影 */
  --shadow-hover: 0 26px 60px -22px rgba(20, 6, 10, 0.28);   /* 中性悬浮 */

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-cn);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(var(--container), 92%); margin-inline: auto; }

/* 焦点态（无障碍） */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--theme);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ============== 滚动进度条 ============== */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--brand), var(--theme), var(--gold));
  z-index: 200;
  transition: width 0.1s linear;
  box-shadow: 0 0 12px rgba(241,8,38,0.5);
}

/* ============== 通用 section ============== */
section { padding: 110px 0; position: relative; }

/* 内容可见性优化：长页面离屏 section 不渲染，滚动更顺 */
.status, .proposition, .about, .advantages,
.cases, .services, .policy, .process, .contact {
  content-visibility: auto;
  contain-intrinsic-size: 1px 760px;
}

/* ============== 通用标题 ============== */
.section-head {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 56px;
}
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--brand);
  font-weight: 700;
  padding: 6px 14px;
  background: var(--brand-soft);
  border-radius: 999px;
  margin-bottom: 18px;
}
.section-head h2 {
  font-size: clamp(1.7rem, 3.6vw, 2.8rem);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--ink-800);
}
.section-head .lead {
  margin-top: 16px;
  font-size: 1.05rem;
  color: var(--gray-700);
}
/* 标题下短红线（编辑感） */
.section-head h2::after {
  content: "";
  display: block;
  width: 48px; height: 3px;
  margin: 22px auto 0;
  background: linear-gradient(90deg, var(--brand), var(--theme));
  border-radius: 2px;
}

.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.85s var(--ease-out), transform 0.85s var(--ease-out);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ============== 按钮 ============== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.98rem;
  letter-spacing: 0.02em;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease);
  cursor: pointer;
  border: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--brand) 0%, var(--theme) 100%);
  color: #fff;
  box-shadow: 0 14px 32px -10px rgba(235, 0, 13, 0.55);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 22px 44px -12px rgba(235, 0, 13, 0.7); }
.btn-ghost {
  background: rgba(255,255,255,0.12);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.4);
}
.btn-ghost:hover { background: rgba(255,255,255,0.22); transform: translateY(-3px); }

/* ============== 顶部导航 ============== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: background 0.4s var(--ease), padding 0.4s var(--ease), box-shadow 0.4s var(--ease);
  background: transparent;
}
.nav.scrolled {
  background: rgba(20, 6, 10, 0.92);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  padding: 12px 0;
  box-shadow: 0 8px 30px -12px rgba(0,0,0,0.4);
}
.nav-inner {
  width: min(var(--container), 92%);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-logo { display: flex; align-items: center; gap: 12px; color: #fff; }
.nav-logo img { width: 44px; height: 44px; object-fit: contain; flex-shrink: 0; }
.nav-logo-text { display: flex; flex-direction: column; gap: 4px; line-height: 1.3; }
.nav-logo-text strong {
  font-size: 1.02rem;
  letter-spacing: 0.06em;
  font-weight: 600;
  color: #fff;
}
.nav-logo-text strong em {
  font-style: normal;
  color: var(--theme);
  font-weight: 700;
  margin-left: 2px;
}
.nav-logo-text small {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: #fff;
  font-weight: 400;
}
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a {
  color: rgba(255,255,255,0.85);
  font-size: 0.92rem;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
  transition: color 0.3s var(--ease);
}
.nav-links a:not(.cta-mini)::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--theme);
  transition: width 0.3s var(--ease);
}
.nav-links a:not(.cta-mini):hover { color: #fff; }
.nav-links a:not(.cta-mini):hover::after,
.nav-links a.active:not(.cta-mini)::after { width: 100%; }
.nav-links a.active { color: #fff; }
.cta-mini {
  background: linear-gradient(135deg, var(--brand), var(--theme));
  color: #fff !important;
  padding: 10px 20px !important;
  border-radius: 999px;
  font-weight: 700 !important;
  box-shadow: 0 10px 24px -8px rgba(235,0,13,0.6);
  transition: transform 0.3s var(--ease);
}
.cta-mini:hover { transform: translateY(-2px); }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span { width: 26px; height: 2px; background: #fff; transition: all 0.3s var(--ease); }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============== Hero ============== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
}
/* 视差背景层：transform 驱动，避免 background-attachment:fixed 卡顿 */
.hero-bg {
  position: absolute;
  inset: -25% 0;
  background: url('assets/hero-bg.webp') center/cover no-repeat;
  will-change: transform;
  z-index: 1;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(20,6,10,0.92) 0%, rgba(20,6,10,0.55) 45%, rgba(20,6,10,0.25) 100%),
    radial-gradient(circle at 80% 30%, rgba(241,8,38,0.35), transparent 55%);
  z-index: 2;
}
.hero-product {
  position: absolute;
  right: -2%;
  top: 44%;
  transform: translateY(-50%);
  width: 52%;
  max-width: 850px;
  z-index: 3;
  will-change: transform;
  filter: drop-shadow(0 30px 60px rgba(0,0,0,0.5));
}
.hero-product img { width: 100%; }
.hero-content {
  position: relative;
  z-index: 4;
  width: min(var(--container), 92%);
  margin-inline: auto;
  will-change: transform;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  letter-spacing: 0.22em;
  color: var(--theme);
  font-weight: 700;
  padding: 7px 16px;
  border: 1px solid rgba(241,8,38,0.5);
  border-radius: 999px;
  background: rgba(241,8,38,0.08);
  margin-bottom: 28px;
}
.hero-tag::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--theme);
  box-shadow: 0 0 0 0 rgba(241,8,38,0.6);
  animation: pulseDot 2s ease-in-out infinite;
}
@keyframes pulseDot {
  0%,100% { box-shadow: 0 0 0 0 rgba(241,8,38,0.6); }
  50% { box-shadow: 0 0 0 8px rgba(241,8,38,0); }
}
.hero-title {
  font-size: clamp(3rem, 8vw, 6.2rem);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: 0.04em;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.hero-title span:first-child {
  background: linear-gradient(135deg, #fff 0%, #ffd9dc 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-title span:last-child {
  color: var(--theme);
  text-shadow: 0 0 50px rgba(241,8,38,0.4);
}
.hero-sub {
  margin-top: 26px;
  font-size: clamp(1rem, 1.5vw, 1.3rem);
  color: rgba(255,255,255,0.9);
  font-weight: 500;
  max-width: 620px;
}
.hero-sub strong { color: var(--theme); font-size: 1.4em; font-weight: 800; }
.hero-actions { margin-top: 40px; display: flex; gap: 16px; flex-wrap: wrap; }
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.7);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
}
.hero-scroll span {
  width: 22px; height: 36px;
  border: 2px solid rgba(255,255,255,0.5);
  border-radius: 12px;
  position: relative;
}
.hero-scroll span::after {
  content: "";
  position: absolute;
  top: 6px; left: 50%;
  transform: translateX(-50%);
  width: 4px; height: 8px;
  background: var(--theme);
  border-radius: 2px;
  animation: scrollDot 1.6s ease-in-out infinite;
}
@keyframes scrollDot {
  0% { opacity: 0; top: 6px; }
  40% { opacity: 1; }
  100% { opacity: 0; top: 22px; }
}

/* ============== 行业现状 ============== */
.status { background: linear-gradient(180deg, #fff 0%, #fff5f5 100%); }
.status-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 20px;
}
.status-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(20,6,10,0.05);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
  position: relative;
  overflow: hidden;
}
.status-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--brand), var(--theme));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.status-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
.status-card:hover::before { transform: scaleX(1); }
.status-no {
  position: absolute;
  top: 18px; right: 22px;
  font-size: 2.6rem;
  font-weight: 900;
  color: rgba(235,0,13,0.08);
  line-height: 1;
  letter-spacing: 0.02em;
}
.status-icon {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  background: var(--brand-soft);
  color: var(--brand);
  border-radius: 14px;
  margin-bottom: 20px;
}
.status-icon svg { width: 28px; height: 28px; }
.status-card h3 { font-size: 1.25rem; color: var(--ink-800); margin-bottom: 10px; font-weight: 700; }
.status-card p { color: var(--gray-700); font-size: 0.95rem; }
.status-note {
  text-align: center;
  margin-top: 40px;
  font-size: 1.05rem;
  color: var(--brand);
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* ============== 视差分隔带（transform 驱动） ============== */
.parallax-band {
  position: relative;
  min-height: 56vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  padding: 100px 0;
  overflow: hidden;
}
.parallax-band-bg {
  position: absolute;
  inset: -25% 0;
  background-size: cover;
  background-position: center;
  will-change: transform;
  z-index: 0;
}
.parallax-band::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20,6,10,0.62), rgba(20,6,10,0.45));
  z-index: 1;
}
.parallax-band.dark::after {
  background: linear-gradient(180deg, rgba(20,6,10,0.86), rgba(20,6,10,0.72));
}
.parallax-band-inner { position: relative; z-index: 2; }
.parallax-band h2 {
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 900;
  letter-spacing: 0.05em;
  text-shadow: 0 4px 30px rgba(0,0,0,0.5);
}
.parallax-band p {
  margin-top: 16px;
  font-size: clamp(1rem, 1.6vw, 1.3rem);
  color: rgba(255,255,255,0.92);
  letter-spacing: 0.06em;
}

/* ============== 超级门店主张 ============== */
.proposition { background: #fff; }
.prop-flow {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  margin-top: 30px;
}
.prop-node {
  flex: 1 1 320px;
  max-width: 420px;
  border-radius: var(--radius-lg);
  padding: 38px 32px;
  position: relative;
  overflow: hidden;
}
.prop-old { background: linear-gradient(160deg, #f5f5f5, #e8e8e8); color: var(--gray-700); }
.prop-new {
  background: linear-gradient(160deg, var(--brand) 0%, var(--theme) 100%);
  color: #fff;
  box-shadow: var(--shadow-red);
}
.prop-label {
  display: inline-block;
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 22px;
}
.prop-old .prop-label { background: rgba(0,0,0,0.08); color: var(--gray-700); }
.prop-new .prop-label { background: rgba(255,255,255,0.22); color: #fff; }
.prop-node ul { list-style: none; }
.prop-node li {
  padding: 12px 0;
  font-size: 1.05rem;
  border-bottom: 1px dashed rgba(255,255,255,0.18);
  display: flex; align-items: center;
}
.prop-old li { border-bottom-color: rgba(0,0,0,0.1); }
.prop-node li:last-child { border-bottom: none; }
.prop-node li::before { content: "—"; margin-right: 12px; font-weight: 800; }
.prop-new li::before { color: #ffd9dc; }
.prop-old li::before { color: var(--gray-500); }
.prop-arrow { display: flex; align-items: center; color: var(--brand); }
.prop-arrow svg { width: 80px; height: 32px; }

/* ============== 公司介绍 ============== */
.about { background: linear-gradient(180deg, #fff5f5 0%, #fff 100%); }

.about-list {
  display: flex;
  flex-direction: column;
  gap: 36px;
}
.about-row {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 40px;
  align-items: center;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 44px 44px 44px 88px;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(20,6,10,0.05);
  overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.about-row:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
/* 反向：图在左，文在右 */
.about-row.reverse { grid-template-columns: 1fr 1.05fr; padding: 44px 88px 44px 44px; }
.about-row.reverse .about-row-img { order: -1; }

.about-row-no {
  position: absolute;
  top: 28px;
  left: 30px;
  font-size: 2.4rem;
  font-weight: 900;
  color: rgba(235,0,13,0.14);
  line-height: 1;
  letter-spacing: 0.02em;
}
.about-row.reverse .about-row-no { left: auto; right: 30px; }

.about-row-label {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--brand);
  font-weight: 700;
  margin-bottom: 10px;
}
.about-row-text h3 {
  font-size: 1.6rem;
  color: var(--ink-800);
  margin-bottom: 18px;
  font-weight: 800;
  line-height: 1.2;
}
.about-row-text p {
  color: var(--gray-700);
  font-size: 0.96rem;
  line-height: 1.85;
  margin-bottom: 12px;
}
.about-row-text p strong { color: var(--brand); font-weight: 700; }
.about-row-text--wide p { font-size: 0.92rem; }

.about-row-quote {
  margin-top: 18px;
  padding: 14px 18px;
  background: linear-gradient(135deg, var(--brand-soft), #fff);
  border-left: 3px solid var(--theme);
  border-radius: 0 10px 10px 0;
  color: var(--ink-800) !important;
  font-weight: 600 !important;
  font-size: 0.95rem !important;
}

.about-row-img {
  width: 100%;
  min-height: 320px;
  background-size: cover;
  background-position: center;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.about-row-img::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  background: linear-gradient(180deg, transparent 70%, rgba(20,6,10,0.15));
  pointer-events: none;
}

/* 创始团队 */
.about-row-slogan {
  font-size: 1.25rem !important;
  font-weight: 800 !important;
  color: var(--brand) !important;
  line-height: 1.4 !important;
  margin: 8px 0 22px !important;
}
.about-row-slogan small {
  display: block;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--gray-500);
  margin-top: 6px;
}
.about-team {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.about-team li {
  padding: 16px 18px;
  background: linear-gradient(135deg, #fff, #fff5f5);
  border-radius: 12px;
  border-left: 4px solid var(--theme);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 14px;
  align-items: center;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.about-team li:hover { transform: translateX(4px); box-shadow: var(--shadow-soft); }
.about-team strong {
  grid-row: span 2;
  font-size: 1.15rem;
  color: var(--ink-800);
  font-weight: 800;
  white-space: nowrap;
}
.about-team span {
  font-size: 0.9rem;
  color: var(--gray-700);
  font-weight: 500;
}
.about-team em {
  font-size: 0.82rem;
  color: var(--brand);
  font-style: normal;
  font-weight: 600;
}

/* 发展历程时间轴 */
.about-timeline {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 8px;
}
.tl-item {
  padding: 18px 20px;
  background: linear-gradient(160deg, #fff, #fff5f5);
  border-radius: 12px;
  border-top: 3px solid var(--theme);
  position: relative;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.tl-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-soft); }
.tl-item--future {
  border-top-color: var(--gold);
  background: linear-gradient(160deg, #fffbeb, #fff);
}
.tl-year {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--brand);
  line-height: 1.1;
  margin-bottom: 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.tl-item--future .tl-year { color: #b07d00; }
.tl-year span {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--gray-500);
}
.tl-item p { font-size: 0.86rem !important; line-height: 1.7; margin: 0 !important; }
.tl-item p strong { color: var(--brand); font-weight: 800; }

/* 运营组织构架 */
.about-org {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 8px;
}
.org-node {
  padding: 16px 18px;
  background: linear-gradient(135deg, var(--ink-800), #2a0c12);
  color: #fff;
  border-radius: 12px;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s var(--ease);
}
.org-node::before {
  content: "";
  position: absolute;
  top: -40%; right: -20%;
  width: 60%; height: 180%;
  background: radial-gradient(circle, rgba(241,8,38,0.3), transparent 60%);
}
.org-node:hover { transform: translateY(-3px); }
.org-node strong {
  display: block;
  font-size: 1rem;
  color: #fff;
  margin-bottom: 6px;
  position: relative;
  z-index: 1;
}
.org-node span {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.78);
  position: relative;
  z-index: 1;
}

/* 响应式 */
@media (max-width: 1024px) {
  .about-row, .about-row.reverse {
    grid-template-columns: 1fr;
    padding: 36px 28px 28px;
    gap: 24px;
  }
  .about-row.reverse .about-row-img { order: 0; }
  .about-row-no { position: static; margin-bottom: 8px; }
  .about-row-img { min-height: 240px; }
}
@media (max-width: 640px) {
  .about-timeline, .about-org { grid-template-columns: 1fr; }
  .about-team li { grid-template-columns: 1fr; gap: 4px; }
  .about-team strong { grid-row: auto; }
}

/* ============== 八大优势 ============== */
.advantages { background: #fff; }
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.adv-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 320px;
  background: var(--ink-800);
  cursor: pointer;
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease);
  box-shadow: var(--shadow-soft);
}
.adv-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-red); }
.adv-cover {
  position: absolute; inset: 0;
  background-image: var(--img);
  background-size: cover;
  background-position: center;
  transition: transform 0.6s var(--ease);
}
.adv-card:hover .adv-cover { transform: scale(1.08); }
.adv-cover::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20,6,10,0.25) 0%, rgba(20,6,10,0.88) 100%);
}
.adv-body { position: absolute; bottom: 0; left: 0; right: 0; padding: 24px 22px; color: #fff; z-index: 2; }
.adv-no {
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--theme);
  display: block;
  margin-bottom: 8px;
}
.adv-body h3 { font-size: 1.15rem; margin-bottom: 8px; font-weight: 700; }
.adv-body p { font-size: 0.88rem; color: rgba(255,255,255,0.82); line-height: 1.5; }

/* ============== 门店案例 ============== */
.cases { background: linear-gradient(180deg, #fff 0%, #fff5f5 100%); }
.case-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.case-item:nth-child(1) { grid-column: span 2; min-height: 420px; }
.case-item {
  position: relative;
  border-radius: var(--radius-lg);
  min-height: 280px;
  overflow: hidden;
  background-image: var(--img);
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow-soft);
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease);
}
.case-item::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(20,6,10,0.7) 100%);
  transition: background 0.4s var(--ease);
}
.case-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.case-item:hover::after { background: linear-gradient(180deg, rgba(20,6,10,0.2), rgba(20,6,10,0.85)); }
.case-meta { position: absolute; bottom: 24px; left: 26px; z-index: 2; color: #fff; }
.case-meta span {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--theme);
  font-weight: 700;
  margin-bottom: 6px;
}
.case-meta strong { display: block; font-size: 1.25rem; }

/* ============== 合作服务 ============== */
.services { background: #fff; }
.services-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid rgba(20,6,10,0.06);
}
.services-img img { width: 100%; }

/* ============== 合作政策 ============== */
.policy { background: linear-gradient(180deg, #fff5f5 0%, #fff 100%); }
.policy-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.policy-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.policy-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.policy-img { width: 100%; height: 320px; background-size: cover; background-position: center; }
.policy-card h3 { padding: 24px 26px 8px; font-size: 1.25rem; color: var(--ink-800); }
.policy-card p { padding: 0 26px 28px; color: var(--gray-700); }
.deposit {
  margin-top: 44px;
  background: linear-gradient(135deg, var(--ink-800) 0%, #2a0c12 100%);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  color: #fff;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 40px;
  position: relative;
  overflow: hidden;
}
.deposit::before {
  content: "";
  position: absolute;
  top: -50%; right: -10%;
  width: 60%; height: 200%;
  background: radial-gradient(circle, rgba(241,8,38,0.25), transparent 60%);
}
.deposit-amount { position: relative; z-index: 2; text-align: center; }
.deposit-amount span { display: block; font-size: 0.85rem; letter-spacing: 0.2em; color: rgba(255,255,255,0.7); }
.deposit-amount strong {
  display: block;
  font-size: 3.4rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--theme), var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.1;
  margin: 8px 0;
}
.deposit-amount small { color: rgba(255,255,255,0.7); font-size: 0.85rem; }
.deposit-tip {
  position: relative; z-index: 2;
  color: rgba(255,255,255,0.88);
  font-size: 1rem;
  line-height: 1.9;
  border-left: 3px solid var(--theme);
  padding-left: 22px;
}

/* ============== 合作流程 ============== */
.process { background: #fff; }
.process-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-bottom: 50px;
}
.process-img img { width: 100%; }
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step {
  background: linear-gradient(160deg, #fff, #fff5f5);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  position: relative;
  border: 1px solid rgba(235,0,13,0.08);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.step:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
/* 跨浏览器数字水印：填充淡红，不依赖 -webkit-text-stroke */
.step span {
  display: inline-block;
  font-size: 2rem;
  font-weight: 900;
  color: rgba(235,0,13,0.18);
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}
.step strong { display: block; font-size: 1.15rem; color: var(--ink-800); margin-bottom: 8px; }
.step p { color: var(--gray-700); font-size: 0.92rem; }
.step::after {
  content: "→";
  position: absolute;
  right: -18px; top: 50%;
  transform: translateY(-50%);
  color: var(--theme);
  font-size: 1.4rem;
  font-weight: 700;
  z-index: 2;
}
.step:last-child::after { display: none; }

/* ============== 扫码对接 ============== */
.contact { background: linear-gradient(180deg, #fff 0%, #fff5f5 100%); }
.qr-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 880px;
  margin: 0 auto;
}
.qr-grid--single {
  grid-template-columns: minmax(0, 420px);
  justify-content: center;
  max-width: 520px;
}
.qr-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px 30px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
  position: relative;
  overflow: hidden;
}
.qr-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--brand), var(--theme));
}
.qr-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
.qr-img {
  width: 220px; height: 220px;
  margin: 0 auto 24px;
  border-radius: 16px;
  overflow: hidden;
  border: 8px solid var(--brand-soft);
  box-shadow: 0 10px 30px -10px rgba(235,0,13,0.3);
}
.qr-img img { width: 100%; height: 100%; object-fit: cover; }
.qr-card h3 { font-size: 1.3rem; color: var(--ink-800); margin-bottom: 10px; }
.qr-card p { color: var(--gray-700); font-size: 0.95rem; }

/* ============== 尾部 CTA ============== */
.closing { position: relative; color: #fff; padding: 0; overflow: hidden; }
.closing-bg {
  position: absolute;
  inset: -15% 0;
  background-size: cover;
  background-position: center;
  will-change: transform;
  z-index: 0;
}
.closing-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(20,6,10,0.92) 0%, rgba(20,6,10,0.85) 100%),
    radial-gradient(circle at 50% 30%, rgba(241,8,38,0.25), transparent 60%);
  z-index: 1;
}
.closing-content { position: relative; z-index: 2; padding: 130px 0; text-align: center; }
.closing-content h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 900;
  letter-spacing: 0.03em;
  margin-bottom: 22px;
}
.closing-content .big {
  font-size: clamp(1.2rem, 2.4vw, 2rem);
  color: rgba(255,255,255,0.95);
  font-weight: 600;
}
.closing-content .big span { color: var(--theme); font-weight: 900; }
.closing-stats { display: flex; justify-content: center; gap: 60px; margin: 60px 0 50px; flex-wrap: wrap; }
.stat strong {
  display: block;
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 900;
  background: linear-gradient(135deg, var(--theme), var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}
.stat span {
  display: block;
  margin-top: 10px;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.75);
  letter-spacing: 0.15em;
}
.closing-map {
  max-width: 800px;
  margin: 0 auto 40px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px -20px rgba(0,0,0,0.6);
  border: 1px solid rgba(241,8,38,0.2);
}
.closing-map img { width: 100%; opacity: 0.92; }
.closing-note {
  max-width: 880px;
  margin: 0 auto;
  color: rgba(255,255,255,0.78);
  font-size: 0.92rem;
  line-height: 1.9;
  letter-spacing: 0.02em;
}

/* ============== 页脚 ============== */
.footer {
  background: #0c0306;
  color: rgba(255,255,255,0.7);
  padding: 0;
  position: relative;
}
.footer::before {
  content: "";
  display: block;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--brand) 20%, var(--theme) 50%, var(--brand) 80%, transparent 100%);
}
.footer .container { padding-top: 48px; padding-bottom: 28px; }

.footer-main {
  display: grid;
  grid-template-columns: minmax(260px, auto) 1fr;
  gap: 56px;
  align-items: center;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-brand img { width: 48px; height: 48px; object-fit: contain; flex-shrink: 0; }
.footer-brand-text { display: flex; flex-direction: column; gap: 3px; line-height: 1.25; }
.footer-brand-text strong { color: #fff; font-size: 1.08rem; font-weight: 700; letter-spacing: 0.03em; }
.footer-brand-text span { font-size: 0.78rem; color: rgba(241,8,38,0.85); letter-spacing: 0.12em; font-weight: 500; }

.footer-contact {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 28px 36px;
  align-items: start;
}
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.footer-contact-item svg {
  width: 20px;
  height: 20px;
  color: var(--theme);
  flex-shrink: 0;
  margin-top: 2px;
}
.footer-contact-item small {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.45);
  margin-bottom: 4px;
  font-weight: 500;
}
.footer-contact-item a {
  display: inline;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.25s var(--ease);
}
.footer-contact-item a:hover { color: var(--theme); }
.footer-contact-name {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
  font-weight: 500;
}
.footer-contact-item p {
  font-size: 0.88rem;
  line-height: 1.6;
  color: rgba(255,255,255,0.78);
  margin: 0;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 20px;
}
.footer-bottom p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  margin: 0;
}
.footer-bottom a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: color 0.25s var(--ease);
}
.footer-bottom a:hover { color: var(--theme); text-decoration: underline; }

@media (max-width: 768px) {
  .footer-main { grid-template-columns: 1fr; gap: 32px; }
  .footer-contact { grid-template-columns: 1fr; gap: 20px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ============== 悬浮返回顶部 ============== */
.float-cta {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 22px;
  background: linear-gradient(135deg, var(--brand), var(--theme));
  color: #fff;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.92rem;
  box-shadow: 0 16px 36px -10px rgba(235,0,13,0.6);
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}
.float-cta.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.float-cta:hover { transform: translateY(-3px); }
.float-cta svg { width: 20px; height: 20px; }

/* ============== 响应式 ============== */
@media (max-width: 1024px) {
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .step::after { display: none; }
  .hero-product { opacity: 0.32; width: 70%; }
}

@media (max-width: 768px) {
  section { padding: 80px 0; }
  .nav-links {
    position: fixed;
    top: 0; right: 0;
    width: 78%;
    max-width: 320px;
    height: 100vh;
    background: rgba(20,6,10,0.97);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px 32px;
    gap: 18px;
    transform: translateX(100%);
    transition: transform 0.4s var(--ease);
  }
  .nav-links.open { transform: translateX(0); }
  .nav-toggle { display: flex; z-index: 101; }
  .status-grid, .policy-grid, .qr-grid { grid-template-columns: 1fr; }
  .case-list { grid-template-columns: 1fr; }
  .case-item:nth-child(1) { grid-column: span 1; min-height: 280px; }
  .deposit { grid-template-columns: 1fr; gap: 24px; text-align: center; padding: 36px 24px; }
  .deposit-tip { text-align: left; }
  .process-steps { grid-template-columns: 1fr; }
  .closing-stats { gap: 30px; }
  .hero-product { display: none; }
}

@media (max-width: 480px) {
  .adv-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }
  .float-cta span { display: none; }
  .float-cta { padding: 14px; }
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}