/* ============================================================
   立人达官网 · 共享样式表
   页面：index.html / wenshutong.html / sanbao.html
   ============================================================ */

/* ===== Fonts（本地，无外链） ===== */
@font-face {
  font-family: 'Outfit';
  src: url('fonts/Outfit-Regular.ttf') format('truetype');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'Outfit';
  src: url('fonts/Outfit-Bold.ttf') format('truetype');
  font-weight: 700;
  font-display: swap;
}

:root {
  /* 立人达品牌色 */
  --navy: #1a3a5c;
  --navy-dark: #0f2640;
  --terra: #c75b39;
  --terra-dark: #a8482a;
  --ink: #1a1a2e;
  --muted: #6c757d;
  --muted-light: #adb5bd;
  --rule: #e9ecef;
  --bg: #fafaf7;
  --bg2: #ffffff;
  /* 文书通产品色 */
  --wst-accent: #005870;
  --wst-accent-dark: #00465a;
  --wst-paper: #f3f4f1;
  --wst-ink: #1e2321;
  --wst-muted: #4c554f;
  --wst-line: #d7dad3;
  /* 三宝漫游产品色 */
  --sb-gold: #c4a06a;
  --sb-gold-text: #a9853f;
  --sb-cream: #f7f3ea;
  --sb-surface: #fbf8f1;
  --sb-green: #276749;
  --sb-green-dark: #1f513a;
  --sb-ink: #26342d;
  --sb-muted: #66736c;
  --sb-line: #ded8cc;
  /* 字体 */
  --font-heading: 'Outfit', 'Noto Sans CJK SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Noto Sans CJK SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-serif: 'Songti SC', 'Noto Serif CJK SC', 'Noto Serif SC', 'SimSun', serif;
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-label {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--terra);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.02em;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 640px;
  margin-bottom: 3rem;
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(26, 58, 92, 0);
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.nav.scrolled, .nav-solid.nav {
  background: rgba(26, 58, 92, 0.97);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}
.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}
.nav-logo svg { display: block; }
.nav-logo .nav-brand-zh {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.08em;
}
.nav-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-links a {
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s var(--ease);
}
.nav-links a:hover { color: #fff; }
.nav-links a.active {
  color: #fff;
  font-weight: 600;
  position: relative;
}
.nav-links a.active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background: var(--terra);
  border-radius: 1px;
}
.nav-cta {
  background: var(--terra);
  color: #fff !important;
  padding: 0.5rem 1.25rem;
  border-radius: 6px;
  font-weight: 600;
  transition: background 0.3s var(--ease);
}
.nav-cta:hover { background: var(--terra-dark); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 1px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s var(--ease);
  cursor: pointer;
  border: none;
  font-family: var(--font-body);
}
.btn-primary {
  background: var(--terra);
  color: #fff;
}
.btn-primary:hover {
  background: var(--terra-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(199,91,57,0.3);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.25);
}
.btn-outline:hover {
  border-color: rgba(255,255,255,0.6);
  background: rgba(255,255,255,0.05);
}
.btn-wst {
  background: var(--wst-accent);
  color: #fff;
}
.btn-wst:hover {
  background: var(--wst-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,88,112,0.28);
}
.btn-sb {
  background: var(--sb-green);
  color: #fff;
}
.btn-sb:hover {
  background: var(--sb-green-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(39,103,73,0.28);
}
.btn-arrow { font-size: 0.8rem; }
.btn:hover .btn-arrow { transform: translateX(4px); }

/* ===== Home Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
  padding: 80px 24px 60px;
}
.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -15%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(199,91,57,0.12) 0%, transparent 65%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(42,90,140,0.15) 0%, transparent 65%);
  pointer-events: none;
}
.hero-content {
  text-align: center;
  position: relative;
  z-index: 1;
  max-width: 760px;
}
.hero-logo {
  display: flex;
  justify-content: center;
  margin-bottom: 2.5rem;
}
.hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  margin-bottom: 0.5rem;
  line-height: 1.1;
}
.hero .hero-studio {
  font-size: 1.32rem;
  font-weight: 600;
  letter-spacing: 0.5em;
  opacity: 0.92;
  margin-bottom: 0.85rem;
  text-indent: 0.5em;
}
.hero .hero-en {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  letter-spacing: 0.3em;
  opacity: 0.4;
  margin-bottom: 1.5rem;
}
.hero .hero-divider {
  width: 56px;
  height: 3px;
  background: var(--terra);
  margin: 1.5rem auto;
  border-radius: 2px;
}
.hero .hero-slogan {
  font-size: 1.3rem;
  opacity: 0.9;
  margin-bottom: 2.5rem;
  letter-spacing: 0.05em;
}
.hero-cta-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}
.scroll-hint {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.4;
  animation: scrollHint 2s ease-in-out infinite;
}
.scroll-hint span {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  font-family: var(--font-heading);
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
}
@keyframes scrollHint {
  0%, 100% { opacity: 0.3; transform: translateX(-50%) translateY(0); }
  50% { opacity: 0.6; transform: translateX(-50%) translateY(6px); }
}

/* ===== Home Products（卡片） ===== */
.products {
  padding: 100px 0;
  background: var(--bg);
}
.products-header {
  text-align: center;
  margin-bottom: 3.5rem;
}
.products-header .section-desc { margin: 0 auto; }

.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 920px;
  margin: 0 auto;
}

.product-card {
  display: flex;
  flex-direction: column;
  background: var(--bg2);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--rule);
  text-decoration: none;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(26,58,92,0.10);
}

/* 文书通卡片色调 */
.product-card[data-product="wst"] { border-top: 4px solid var(--wst-accent); }
.product-card[data-product="wst"] .product-screenshot { background: var(--wst-paper); }
.product-card[data-product="wst"] .product-scene { color: var(--wst-accent); }
.product-card[data-product="wst"] .product-link { color: var(--wst-accent); }
.product-card[data-product="wst"] .product-features li::before { background: var(--wst-accent); }

/* 三宝漫游卡片色调 */
.product-card[data-product="sb"] { border-top: 4px solid var(--sb-gold); }
.product-card[data-product="sb"] .product-screenshot { background: var(--sb-cream); }
.product-card[data-product="sb"] .product-scene { color: var(--sb-gold-text); }
.product-card[data-product="sb"] .product-link { color: var(--sb-green); }
.product-card[data-product="sb"] .product-features li::before { background: var(--sb-gold); }

.product-screenshot {
  width: 100%;
  height: 230px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  overflow: hidden;
}
.product-screenshot img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.product-body {
  padding: 1.6rem 1.75rem 1.9rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.product-scene {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.product-name {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.25rem;
}
.product-tagline {
  font-size: 0.95rem;
  color: var(--muted);
  margin-bottom: 0.9rem;
}
.product-desc {
  font-size: 0.92rem;
  color: var(--ink);
  line-height: 1.7;
  margin-bottom: 1.1rem;
}
.product-features {
  list-style: none;
  margin: 0 0 0.9rem;
  flex: 1;
}
.card-stores {
  font-size: 0.76rem;
  color: var(--muted);
  opacity: 0.85;
  margin: 0 0 1rem;
  letter-spacing: 0.03em;
}
.product-features li {
  font-size: 0.86rem;
  color: var(--muted);
  padding: 0.28rem 0;
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  line-height: 1.6;
}
.product-features li::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  margin-top: 0.55rem;
  flex-shrink: 0;
}
.product-link {
  font-size: 0.9rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: gap 0.3s var(--ease);
}
.product-card:hover .product-link { gap: 0.7rem; }

/* ===== Philosophy ===== */
.philosophy {
  padding: 100px 0;
  background: var(--bg2);
}
.philosophy-content {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}
.philosophy-quote {
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.03em;
  line-height: 1.4;
  margin-bottom: 0.5rem;
}
.philosophy-source {
  font-size: 0.85rem;
  color: var(--muted-light);
  margin-bottom: 2rem;
}
.philosophy-desc {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.8;
  max-width: 580px;
  margin: 0 auto 2rem;
}
.name-line {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: 0.04em;
}

/* ===== Footer ===== */
.footer {
  background: var(--navy-dark);
  color: #fff;
  padding: 60px 0 30px;
}
.footer-content {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1rem;
}
.footer-brand-zh {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.footer-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.footer-brand-sub {
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  opacity: 0.6;
  margin-top: 0.32rem;
}
.footer-col h5 {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
  opacity: 0.7;
}
.footer-col ul { list-style: none; padding: 0; }
.footer-col li { margin-bottom: 0.6rem; }
.footer-col a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.3s var(--ease);
}
.footer-col a:hover { color: #fff; }
.footer-plain {
  color: rgba(255,255,255,0.6);
  font-size: 0.88rem;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-bottom p {
  font-size: 0.78rem;
  opacity: 0.4;
}
.footer-icp a {
  color: rgba(255,255,255,0.4);
  text-decoration: none;
  font-size: 0.78rem;
}
.footer-icp a:hover { color: rgba(255,255,255,0.6); }

/* ===== 子页面：Page Hero ===== */
.page-hero {
  padding: 128px 0 72px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.page-hero-wst { background: linear-gradient(150deg, #003a4c 0%, var(--wst-accent-dark) 55%, #00708e 100%); }
.page-hero-sb {
  background: linear-gradient(150deg, #16342a 0%, var(--sb-green-dark) 55%, #2f7854 100%);
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -25%;
  right: -10%;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(255,255,255,0.07) 0%, transparent 65%);
  pointer-events: none;
}
.page-hero-inner {
  display: grid;
  grid-template-columns: 6fr 5fr;
  gap: 3.5rem;
  align-items: center;
  position: relative;
  z-index: 1;
}
.page-hero-logo-row {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 1.4rem;
}
.page-hero-logo-row img {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  display: block;
}
.page-hero-logo-row .phl-type {
  display: flex;
  flex-direction: column;
  line-height: 1.4;
}
.page-hero-logo-row .phl-type small {
  font-family: var(--font-heading);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.65;
}
.page-hero-logo-row .phl-type strong {
  font-size: 1.05rem;
  letter-spacing: 0.06em;
}
.page-hero h1 {
  font-size: 2.6rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.2;
  margin-bottom: 0.6rem;
}
.page-hero-sb h1 { font-family: var(--font-serif); letter-spacing: 0.1em; }
.page-hero .ph-tagline {
  font-size: 1.15rem;
  opacity: 0.85;
  margin-bottom: 0.9rem;
  letter-spacing: 0.04em;
}
.page-hero .ph-hook {
  font-size: 0.98rem;
  opacity: 0.65;
  max-width: 460px;
  line-height: 1.8;
  margin-bottom: 2rem;
}
.page-hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.btn-hero {
  background: #fff;
  color: var(--navy-dark);
}
.btn-hero:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.25);
}
/* Hero 信任标签条（文书通） */
.trust-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.6rem;
}
.trust-chips span {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.35);
  background: rgba(255,255,255,0.07);
  color: rgba(255,255,255,0.9);
}

/* Hero 属性行（三宝漫游） */
.hero-attr {
  margin-top: 1.4rem;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  opacity: 0.72;
}
.hero-stores {
  margin-top: 0.5rem;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  opacity: 0.6;
}

.page-hero-media img {
  width: 100%;
  display: block;
  border-radius: 12px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.30);
}
.page-hero-sb .page-hero-media img {
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.18);
}

/* ===== 子页面：区块通用 ===== */
.page-section {
  padding: 84px 0;
}
.page-section.alt { background: var(--bg2); }
.ps-label {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.ps-title {
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.35;
  margin-bottom: 1rem;
}
.ps-lead {
  font-size: 1rem;
  line-height: 1.9;
  max-width: 680px;
  margin-bottom: 2.5rem;
}

/* 说话式特性列表 */
.say-list {
  list-style: none;
  max-width: 760px;
}
.say-list li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-radius: 12px;
  margin-bottom: 0.75rem;
  line-height: 1.7;
}
.say-list .say {
  font-weight: 700;
  flex-shrink: 0;
}
.say-list .say::before { content: '「'; }
.say-list .say::after { content: '」'; }
.say-list .arrow { opacity: 0.5; flex-shrink: 0; }

/* 网格小卡 */
.mini-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}
.mini-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.mini-card {
  border-radius: 12px;
  padding: 1.35rem 1.4rem;
}
.mini-card h5 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.mini-card p {
  font-size: 0.85rem;
  line-height: 1.7;
  margin: 0;
}

/* 差异列表 */
.diff-list {
  list-style: none;
  max-width: 760px;
}
.diff-list li {
  display: flex;
  gap: 0.9rem;
  padding: 0.85rem 0;
  align-items: flex-start;
  line-height: 1.75;
  border-bottom: 1px solid;
}
.diff-list li:last-child { border-bottom: none; }
.diff-list strong { flex-shrink: 0; }
.diff-list .dl-dash {
  flex-shrink: 0;
  opacity: 0.45;
}

/* 截图行 */
.shot-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.shot-row figure { margin: 0; }
.shot-row img {
  width: 100%;
  display: block;
  border-radius: 10px;
  box-shadow: 0 8px 26px rgba(20,30,40,0.12);
}
.shot-row figcaption {
  font-size: 0.82rem;
  text-align: center;
  margin-top: 0.6rem;
}

/* 手机截图行（竖屏四列） */
.phone-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.4rem;
  max-width: 920px;
  margin: 2.6rem auto 0;
}
.phone-row figure { margin: 0; }
.phone-row img {
  width: 100%;
  display: block;
  border-radius: 14px;
  border: 1px solid rgba(20,30,40,0.07);
  box-shadow: 0 10px 30px rgba(20,30,40,0.14);
}
.phone-row figcaption {
  font-size: 0.8rem;
  text-align: center;
  margin-top: 0.6rem;
}

/* 高亮框 */
.callout {
  border-radius: 0 12px 12px 0;
  padding: 1.4rem 1.6rem;
  max-width: 760px;
  line-height: 1.85;
  font-size: 0.95rem;
}
.callout strong { display: block; margin-bottom: 0.3rem; font-size: 1rem; }

/* 底部 CTA 带 */
.cta-band {
  padding: 72px 0;
  text-align: center;
}
.cta-band p {
  font-size: 1.05rem;
  opacity: 0.85;
  margin-bottom: 1.6rem;
}

/* CTA 视频号二维码 */
.cta-qr {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.15rem;
  margin-top: 2.2rem;
}
.cta-qr img {
  width: 140px;
  height: 140px;
  padding: 10px;
  background: #fff;
  border-radius: 12px;
  display: block;
}
.cta-qr .cta-qr-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0 0 0.25rem;
  opacity: 0.95;
  text-align: left;
}
.cta-qr .cta-qr-sub {
  font-size: 0.8rem;
  margin: 0;
  opacity: 0.65;
  text-align: left;
}
@media (max-width: 600px) {
  .cta-qr { flex-direction: column; gap: 0.9rem; }
  .cta-qr .cta-qr-title, .cta-qr .cta-qr-sub { text-align: center; }
}

/* 应用商店徽章（CTA 区） */
.store-badges {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 1.1rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  background: #ffffff;
  color: #16181d;
  border-radius: 11px;
  padding: 9px 20px 9px 15px;
  min-height: 54px;
  min-width: 186px;
  text-decoration: none;
  box-shadow: 0 3px 12px rgba(10, 20, 15, 0.22);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.store-badge:hover {
  transform: translateY(-2px);
  box-shadow: 0 7px 20px rgba(10, 20, 15, 0.3);
}
.store-badge svg {
  width: 27px;
  height: 27px;
  flex: none;
  fill: #16181d;
}
.store-badge .sb-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1.22;
  text-align: left;
  flex: 1;
}
.store-badge .sb-text small {
  font-size: 0.66rem;
  letter-spacing: 0.05em;
  opacity: 0.72;
  white-space: nowrap;
}
.store-badge .sb-text strong {
  font-size: 1.06rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  margin-left: -0.12em;
}
.cta-band .platform-note {
  font-size: 0.85rem;
  opacity: 0.8;
  letter-spacing: 0.04em;
  margin: 0 0 1.8rem;
}

/* ===== 文书通子页配色 ===== */
.page-wst { background: var(--wst-paper); }
.page-wst .ps-label { color: var(--wst-accent); }
.page-wst .ps-title { color: var(--wst-ink); }
.page-wst .ps-lead { color: var(--wst-muted); }
.page-wst .say-list li { background: #fff; border: 1px solid var(--wst-line); color: var(--wst-ink); }
.page-wst .say-list .say { color: var(--wst-accent); }
.page-wst .mini-card { background: #fff; border: 1px solid var(--wst-line); }
.page-wst .mini-card h5 { color: var(--wst-ink); }
.page-wst .mini-card p { color: var(--wst-muted); }
.page-wst .diff-list li { border-color: var(--wst-line); color: var(--wst-muted); }
.page-wst .diff-list strong { color: var(--wst-ink); }
.page-wst .shot-row figcaption { color: var(--wst-muted); }
.page-wst .callout {
  background: #e9efe9;
  border-left: 4px solid var(--wst-accent);
  color: var(--wst-ink);
}
.page-wst .callout strong { color: var(--wst-accent); }
.page-wst .cta-band { background: linear-gradient(150deg, #003a4c 0%, var(--wst-accent-dark) 60%, #00708e 100%); color: #fff; }
.page-wst .page-section.alt { background: #eef0ec; }

/* ===== 三宝漫游子页配色 ===== */
.page-sb { background: var(--sb-cream); }
.page-sb .ps-label { color: var(--sb-gold-text); }
.page-sb .ps-title {
  color: var(--sb-ink);
  font-family: var(--font-serif);
  letter-spacing: 0.05em;
}
.page-sb .ps-lead { color: var(--sb-muted); }
.page-sb .mini-card { background: var(--sb-surface); border: 1px solid var(--sb-line); }
.page-sb .mini-card h5 { color: var(--sb-ink); font-family: var(--font-serif); letter-spacing: 0.05em; }
.page-sb .mini-card p { color: var(--sb-muted); }
.page-sb .callout {
  background: rgba(196,160,106,0.12);
  border-left: 4px solid var(--sb-gold);
  color: var(--sb-ink);
}
.page-sb .callout strong { color: var(--sb-gold-text); font-family: var(--font-serif); letter-spacing: 0.05em; }
.page-sb .shot-row img { box-shadow: 0 8px 26px rgba(38,52,45,0.14); }
.page-sb .shot-row figcaption { color: var(--sb-muted); }
.page-sb .cta-band {
  background: linear-gradient(150deg, #16342a 0%, var(--sb-green-dark) 60%, #2f7854 100%);
  color: #fff;
}
.page-sb .page-section.alt { background: var(--sb-surface); }

/* 场景画廊 */
.scene-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}
.scene-grid figure { margin: 0; }
.scene-grid img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  border-radius: 10px;
  border: 1px solid var(--sb-line);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.scene-grid figure:hover img {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(38,52,45,0.16);
}
.scene-grid figcaption {
  font-size: 0.8rem;
  color: var(--sb-muted);
  text-align: center;
  margin-top: 0.55rem;
}
.scene-grid figcaption strong {
  color: var(--sb-ink);
  font-weight: 600;
}
.gallery-quote {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--sb-ink);
  text-align: center;
  margin-bottom: 1.2rem;
  letter-spacing: 0.04em;
}

/* 画廊导语 */
.gallery-intro {
  text-align: center;
  color: var(--sb-muted);
  font-size: 0.95rem;
  max-width: 640px;
  margin: 0 auto 2.4rem;
  line-height: 1.8;
}

/* 城市明信片条 */
.city-strip {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding: 4px 24px 22px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--sb-gold) transparent;
  mask-image: linear-gradient(to right, transparent, #000 32px, #000 calc(100% - 32px), transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, #000 32px, #000 calc(100% - 32px), transparent);
}
.city-strip::-webkit-scrollbar { height: 6px; }
.city-strip::-webkit-scrollbar-thumb {
  background: rgba(196,160,106,0.45);
  border-radius: 3px;
}
.city-strip::-webkit-scrollbar-track { background: transparent; }
.city-card {
  flex: 0 0 148px;
  scroll-snap-align: start;
  text-decoration: none;
}
.city-card img {
  width: 148px;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  display: block;
  border-radius: 10px;
  border: 1px solid var(--sb-line);
  box-shadow: 0 4px 14px rgba(38,52,45,0.10);
  transition: transform 0.3s var(--ease);
}
.city-card:hover img { transform: translateY(-3px); }
.city-card span {
  display: block;
  font-size: 0.8rem;
  color: var(--sb-muted);
  text-align: center;
  margin-top: 0.5rem;
}
.city-hint {
  text-align: center;
  font-size: 0.75rem;
  color: var(--sb-muted);
  opacity: 0.7;
}
.cities-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--sb-ink);
  text-align: center;
  margin-bottom: 1.5rem;
  letter-spacing: 0.06em;
}
.cities-wrap { margin-top: 48px; }

/* 语言线条目 */
.lang-list {
  list-style: none;
  max-width: 720px;
}
.lang-list li {
  display: flex;
  gap: 1rem;
  padding: 0.8rem 0;
  align-items: baseline;
  border-bottom: 1px solid var(--sb-line);
  line-height: 1.7;
}
.lang-list li:last-child { border-bottom: none; }
.lang-list strong {
  font-family: var(--font-serif);
  color: var(--sb-ink);
  letter-spacing: 0.05em;
  flex-shrink: 0;
}
.lang-list span { color: var(--sb-muted); font-size: 0.92rem; }

/* 步骤流（听跟换提） */
.step-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.1rem;
  counter-reset: step;
}
.step-card {
  background: var(--sb-surface);
  border: 1px solid var(--sb-line);
  border-radius: 12px;
  padding: 1.4rem 1.3rem;
  position: relative;
}
.step-card::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--sb-gold-text);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 0.6rem;
}
.step-card h5 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--sb-ink);
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}
.step-card p {
  font-size: 0.84rem;
  color: var(--sb-muted);
  line-height: 1.7;
  margin: 0;
}

/* ===== Scroll Animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .product-grid { grid-template-columns: 1fr; }
  .footer-content { grid-template-columns: 1fr; gap: 2rem; }
  .hero h1 { font-size: 2.5rem; }
  .philosophy-quote { font-size: 1.6rem; }
  .page-hero-inner { grid-template-columns: 1fr; gap: 2.25rem; }
  .scene-grid { grid-template-columns: repeat(2, 1fr); }
  .mini-grid, .mini-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
  .step-flow { grid-template-columns: repeat(2, 1fr); }
  .phone-row { grid-template-columns: repeat(2, 1fr); }
  .shot-row { grid-template-columns: 1fr; }
  .page-hero h1 { font-size: 2.1rem; }
}

@media (max-width: 600px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    width: 100%;
    background: var(--navy-dark);
    padding: 1.5rem 24px;
    gap: 1.25rem;
  }
  .hero h1 { font-size: 2rem; letter-spacing: 0.15em; }
  .hero .hero-slogan { font-size: 1.05rem; }
  .hero .hero-tagline { font-size: 0.9rem; }
  .section-title { font-size: 1.5rem; }
  .ps-title { font-size: 1.4rem; }
  .philosophy-quote { font-size: 1.4rem; }
  .scene-grid { grid-template-columns: 1fr; }
  .mini-grid, .mini-grid.cols-2 { grid-template-columns: 1fr; }
  .step-flow { grid-template-columns: 1fr; }
  .city-card, .city-card img { width: 124px; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
  .page-hero { padding-top: 104px; }
}