/* Yiwu Uniforms — 工作服定制宣传站 */
:root {
  --ink: #0f1419;
  --ink-soft: #3d4a5c;
  --paper: #faf8f5;
  --cream: #f0ebe3;
  --accent: #c45c26;
  --accent-dark: #9a4218;
  --gold: #b8860b;
  --line: rgba(15, 20, 25, 0.08);
  --shadow: 0 24px 60px rgba(15, 20, 25, 0.12);
  --radius: 14px;
  /* 全站 Inter；中文回退系统黑体 */
  --font-display: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  /* 蓝色主题网格渐变 */
  --mesh-indigo: rgba(37, 99, 235, 0.3);
  --mesh-sky: rgba(14, 165, 233, 0.24);
  --mesh-cyan: rgba(6, 182, 212, 0.22);
  --mesh-soft: rgba(96, 165, 250, 0.26);
  --mesh-ice: rgba(125, 211, 252, 0.2);
  /* 四组参考渐变（栏位循环：紫靛 / 蓝青 / 青绿 / 翠绿） */
  --grad-bar-1: linear-gradient(135deg, #6366f1 0%, #8b5cf6 55%, #a78bfa 100%);
  --grad-bar-2: linear-gradient(135deg, #2563eb 0%, #0ea5e9 50%, #22d3ee 100%);
  --grad-bar-3: linear-gradient(135deg, #0d9488 0%, #14b8a6 45%, #5eead4 100%);
  --grad-bar-4: linear-gradient(135deg, #059669 0%, #22c55e 50%, #86efac 100%);
  --grad-wash-1: linear-gradient(
    165deg,
    rgba(99, 102, 241, 0.22) 0%,
    rgba(139, 92, 246, 0.12) 45%,
    rgba(248, 250, 252, 0.5) 100%
  );
  --grad-wash-2: linear-gradient(
    165deg,
    rgba(37, 99, 235, 0.2) 0%,
    rgba(14, 165, 233, 0.14) 50%,
    rgba(248, 250, 252, 0.55) 100%
  );
  --grad-wash-3: linear-gradient(
    165deg,
    rgba(13, 148, 136, 0.18) 0%,
    rgba(45, 212, 191, 0.12) 55%,
    rgba(248, 250, 252, 0.52) 100%
  );
  --grad-wash-4: linear-gradient(
    165deg,
    rgba(5, 150, 105, 0.18) 0%,
    rgba(34, 197, 94, 0.12) 50%,
    rgba(248, 250, 252, 0.55) 100%
  );
  /* 栏内块：毛玻璃（与参考面板一致） */
  --glass-radius: 18px;
  --glass-bg: rgba(255, 255, 255, 0.4);
  --glass-bg-hover: rgba(255, 255, 255, 0.54);
  --glass-blur: 14px;
  --glass-shadow: 0 10px 40px rgba(15, 20, 25, 0.08);
  --glass-shadow-hover: 0 18px 50px rgba(15, 20, 25, 0.12);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--ink-soft);
  background-color: #dfeefa;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 115% 85% at 0% -5%, var(--mesh-indigo), transparent 52%),
    radial-gradient(ellipse 100% 75% at 100% -5%, var(--mesh-sky), transparent 48%),
    radial-gradient(ellipse 95% 70% at 50% 110%, var(--mesh-cyan), transparent 55%),
    radial-gradient(ellipse 82% 55% at 88% 52%, var(--mesh-soft), transparent 44%),
    radial-gradient(ellipse 92% 58% at 6% 78%, var(--mesh-ice), transparent 48%),
    linear-gradient(
      165deg,
      rgba(240, 249, 255, 0.96) 0%,
      rgba(224, 242, 254, 0.92) 40%,
      rgba(248, 250, 252, 0.98) 100%
    );
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Discourage casual drag-save of gallery / card imagery (see content-protection.js) */
main img {
  -webkit-user-drag: none;
  user-select: none;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  /* 与 .section 一致：水平边距在外层，内层 .header-inner 仅限制 max-width，便于与正文栏左右对齐 */
  padding: 1rem 1.5rem;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: none;
  box-shadow: 0 8px 32px rgba(15, 20, 25, 0.07);
}

body.nav-drawer-open {
  overflow: hidden;
}

.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0 10px;
  margin: 0;
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  flex-shrink: 0;
}

.nav-toggle-bar {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--ink);
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-header.nav-open .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header.nav-open .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-header.nav-open .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 720px) {
  .header-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    flex-wrap: nowrap;
    padding: 0.5rem 1.5rem 1.25rem;
    background: #eef4fa;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom: none;
    box-shadow: 0 16px 40px rgba(15, 20, 25, 0.1);
    gap: 0;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-0.5rem);
    pointer-events: none;
    transition: visibility 0.2s, opacity 0.2s ease, transform 0.2s ease;
  }

  .site-header.nav-open .nav {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .nav a:not(.nav-cta) {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--line);
  }

  .nav .nav-cta {
    margin-top: 0.75rem;
    text-align: center;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .nav-toggle-bar,
  .site-header .nav {
    transition: none;
  }
}

.logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.logo picture {
  display: contents;
}

.logo img {
  display: block;
  width: auto;
  height: clamp(18px, 2.1vw, 27px);
}

@media (max-width: 720px) {
  .logo img {
    height: 19px;
  }
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  align-items: center;
}

.nav-core {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
}

@media (min-width: 721px) {
  .nav {
    flex-wrap: nowrap;
    gap: 2.25rem;
  }

  /* 两项与按钮同级 flex，间距一致 */
  .nav-core {
    display: contents;
  }
}

.nav a {
  font-size: 0.95rem;
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 500;
}

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

.nav a.btn-primary {
  color: #fff;
}

.nav a.btn-primary:hover {
  color: #fff;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.35rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  box-shadow: 0 4px 20px rgba(196, 92, 38, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 28px rgba(196, 92, 38, 0.4);
  color: #fff;
  text-decoration: none;
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

.btn-ghost:hover {
  background: var(--cream);
  text-decoration: none;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(3rem, 8vw, 5.5rem) 1.5rem clamp(4rem, 10vw, 6rem);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 78% 52% at 72% -8%, rgba(14, 165, 233, 0.12), transparent),
    radial-gradient(ellipse 62% 44% at 8% 100%, rgba(37, 99, 235, 0.1), transparent),
    radial-gradient(ellipse 72% 50% at 92% 70%, rgba(6, 182, 212, 0.08), transparent),
    radial-gradient(ellipse 55% 38% at 40% 20%, rgba(125, 211, 252, 0.1), transparent);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

.hero-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-dark);
  background: rgba(196, 92, 38, 0.12);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4.5vw, 2.85rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin: 0 0 1rem;
}

.hero-lead {
  font-size: 1.1rem;
  margin: 0 0 1.75rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-visual {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 4 / 3;
  background: var(--cream);
}

.hero-visual picture {
  display: contents;
}

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

.hero-visual figcaption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  color: #fff;
  background: linear-gradient(transparent, rgba(15, 20, 25, 0.75));
}

.section {
  position: relative;
  padding: clamp(3rem, 6vw, 5rem) 1.5rem;
  z-index: 0;
}

/* 主内容每一节（跳过首屏 hero）按 1→2→3→4 循环铺底 */
main > section:not(.hero)::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

main > section:nth-child(4n + 2)::before {
  background: var(--grad-wash-1);
}

main > section:nth-child(4n + 3)::before {
  background: var(--grad-wash-2);
}

main > section:nth-child(4n + 4)::before {
  background: var(--grad-wash-3);
}

main > section:nth-child(4n + 5)::before {
  background: var(--grad-wash-4);
}

.section-alt {
  background: transparent;
}

.section-inner {
  max-width: 1120px;
  margin: 0 auto;
}

.section-head {
  margin-bottom: 2.5rem;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
}

.section-head p {
  margin: 0;
  font-size: 1.05rem;
}

.cards {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

/* Logo 工艺：桌面宽度下五块单行 */
@media (min-width: 1024px) {
  #branding .cards {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

.card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: none;
  border-radius: var(--glass-radius);
  padding: 1.5rem 1.35rem;
  box-shadow: var(--glass-shadow);
  transition: box-shadow 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.card:hover {
  background: var(--glass-bg-hover);
  box-shadow: var(--glass-shadow-hover);
  transform: translateY(-2px);
}

.card-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: none;
  box-shadow: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.card-media {
  margin: -1.5rem -1.35rem 1rem;
  border-radius: var(--glass-radius) var(--glass-radius) 0 0;
  overflow: hidden;
  line-height: 0;
}

.card-media picture {
  display: contents;
}

.card-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  display: block;
}

.card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--ink);
  margin: 0 0 0.5rem;
}

.card p {
  margin: 0;
  font-size: 0.98rem;
}

#services .card h3 {
  text-align: center;
}

#branding .card h3 {
  text-align: center;
}

.section-tip {
  margin-top: 2.5rem;
  padding: 1.75rem 1.5rem;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: none;
  border-radius: var(--glass-radius);
  box-shadow: var(--glass-shadow);
}

.section-tip h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--ink);
  margin: 0 0 1rem;
}

.section-tip ul {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.6rem;
  font-size: 0.98rem;
}

.section-tip li strong {
  color: var(--ink);
  font-weight: 600;
}

@media (min-width: 768px) {
  .section-tip ul {
    grid-template-columns: 1fr 1fr;
    column-gap: 2rem;
  }
}

.gallery {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 640px) {
  .gallery {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 960px) {
  .gallery {
    grid-template-columns: repeat(4, 1fr);
  }
}

.gallery figure {
  margin: 0;
  padding: 0.4rem;
  border-radius: calc(var(--glass-radius) + 2px);
  overflow: hidden;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: none;
  box-shadow: var(--glass-shadow);
  aspect-ratio: 1;
}

.gallery figure picture {
  display: contents;
}

.gallery figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
  transition: transform 0.35s ease;
}

.gallery figure:hover img {
  transform: scale(1.05);
}

.process {
  display: grid;
  gap: 1.5rem;
  counter-reset: step;
}

@media (min-width: 768px) {
  .process {
    grid-template-columns: repeat(4, 1fr);
  }
}

.process-item {
  position: relative;
  padding: 3.25rem 1.25rem 1.35rem;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: none;
  border-radius: var(--glass-radius);
  box-shadow: var(--glass-shadow);
}

.process-item::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: 1.1rem;
  left: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--grad-bar-1);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 2px 8px rgba(15, 20, 25, 0.12);
}

.process-item:nth-child(4n + 1)::before {
  background: var(--grad-bar-1);
}

.process-item:nth-child(4n + 2)::before {
  background: var(--grad-bar-2);
}

.process-item:nth-child(4n + 3)::before {
  background: var(--grad-bar-3);
}

.process-item:nth-child(4n + 4)::before {
  background: var(--grad-bar-4);
}

.process-item h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--ink);
  margin: 0 0 0.35rem;
}

.process-item p {
  margin: 0;
  font-size: 0.92rem;
}

.contact-layout {
  display: grid;
  gap: 2.5rem;
  align-items: start;
}

@media (min-width: 900px) {
  .contact-layout {
    grid-template-columns: 1fr minmax(0, 1fr);
    gap: 3rem;
  }
}

.contact-aside-head {
  margin-bottom: 1.75rem;
}

.contact-aside-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
}

.contact-aside-head p {
  margin: 0;
  font-size: 1.05rem;
  color: var(--ink-soft);
  line-height: 1.65;
  max-width: 36rem;
}

.contact-channels {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
}

.contact-channel {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-channel-icon {
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: #dbeafe;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-channel-icon svg {
  display: block;
}

.contact-channel-body {
  min-width: 0;
  padding-top: 0.15rem;
}

.contact-channel-body strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 0.35rem;
}

.contact-channel-body p {
  margin: 0;
  font-size: 0.98rem;
  color: var(--ink-soft);
  line-height: 1.55;
}

.contact-channel-body a {
  color: var(--accent);
  text-decoration: none;
}

.contact-channel-body a:hover {
  text-decoration: underline;
}

.contact-follow {
  margin-top: 2rem;
}

.contact-follow-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--ink);
  margin: 0 0 0.85rem;
}

.contact-social {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.contact-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.65rem;
  height: 2.65rem;
  border-radius: 50%;
  background: #dbeafe;
  color: #1e3a5a;
  text-decoration: none;
  transition: transform 0.15s ease, background 0.15s ease;
}

.contact-social-link:hover {
  background: #bfdbfe;
  transform: translateY(-1px);
  text-decoration: none;
}

.contact-form-card {
  background: #f3f4f6;
  border-radius: var(--glass-radius);
  padding: 1.75rem 1.5rem;
  box-shadow: 0 4px 24px rgba(15, 20, 25, 0.06);
}

.contact-form-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 1.25rem;
}

.contact-form-banner {
  display: none;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  font-size: 0.9rem;
  line-height: 1.45;
  margin: 0 0 1rem;
}

.contact-form-banner[data-fs-active] {
  display: block;
}

.contact-form-banner--success[data-fs-active] {
  background: rgba(34, 197, 94, 0.12);
  color: #166534;
  border: 1px solid rgba(34, 197, 94, 0.35);
}

.contact-form-banner--error[data-fs-active] {
  background: rgba(239, 68, 68, 0.08);
  color: #991b1b;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.contact-form {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-honeypot {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.contact-form-row {
  display: grid;
  gap: 1rem;
}

@media (min-width: 520px) {
  .contact-form-row-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.contact-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.contact-field-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
}

.contact-field input,
.contact-field select,
.contact-field textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid rgba(15, 20, 25, 0.1);
  border-radius: 10px;
  background: #fff;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.contact-field input::placeholder,
.contact-field textarea::placeholder {
  color: rgba(61, 74, 92, 0.55);
}

.contact-field input:focus,
.contact-field select:focus,
.contact-field textarea:focus {
  outline: none;
  border-color: rgba(37, 99, 235, 0.45);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.contact-field textarea {
  resize: vertical;
  min-height: 7.5rem;
}

.contact-field-error {
  display: block;
  font-size: 0.8rem;
  line-height: 1.35;
  color: #b91c1c;
  margin: 0.2rem 0 0;
  min-height: 0;
}

.contact-field-error:not([data-fs-active]):empty {
  display: none;
}

.contact-field input[aria-invalid="true"],
.contact-field select[aria-invalid="true"],
.contact-field textarea[aria-invalid="true"] {
  border-color: rgba(185, 28, 28, 0.55);
  box-shadow: 0 0 0 3px rgba(185, 28, 28, 0.12);
}

.contact-form-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  width: 100%;
  margin-top: 0.25rem;
  padding: 0.85rem 1.25rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: #fff;
  background: #1e3a5a;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.15s ease;
}

.contact-form-submit:hover {
  background: #172554;
  transform: translateY(-1px);
}

.contact-form-submit:disabled {
  opacity: 0.65;
  cursor: wait;
  transform: none;
}

.contact-form-submit svg {
  flex-shrink: 0;
}

@media (prefers-reduced-motion: reduce) {
  .contact-social-link:hover,
  .contact-form-submit:hover {
    transform: none;
  }
}

.site-footer {
  /* 与 .site-header / .section 一致：水平边距在外层，内层限制宽度以便与正文对齐 */
  padding: 2rem 1.5rem;
  border-top: 1px solid rgba(148, 163, 184, 0.25);
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.site-footer-inner {
  max-width: 1120px;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
}

.site-footer-copy {
  margin: 0;
  text-align: left;
  line-height: 1.5;
}

.site-footer-copy a {
  color: var(--ink-soft);
  font-weight: 500;
}

.site-footer-copy a:hover {
  color: var(--accent);
}

.site-footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.5rem;
}

.site-footer-legal-sep {
  color: var(--ink-soft);
  opacity: 0.45;
  font-weight: 500;
  user-select: none;
  pointer-events: none;
}

.site-footer-legal a {
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 0.9rem;
  white-space: nowrap;
}

.site-footer-legal a:hover {
  color: var(--accent);
}

@media (max-width: 560px) {
  .site-footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-footer-legal {
    gap: 0.35rem 0.45rem;
  }
}

@media (prefers-reduced-transparency: reduce) {
  body {
    background-color: var(--paper);
  }

  body::before {
    display: none;
  }

  .site-header {
    background: rgba(250, 248, 245, 0.98);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom: 1px solid var(--line);
    box-shadow: none;
  }

  .nav-toggle {
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: 1px solid var(--line);
  }

  main > section:not(.hero)::before {
    display: none;
  }

  .section-alt {
    background: var(--cream);
  }

  .card,
  .section-tip,
  .process-item {
    background: #fff;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: 1px solid var(--line);
    box-shadow: 0 2px 12px rgba(15, 20, 25, 0.04);
  }

  .card:hover {
    background: #fff;
    box-shadow: var(--shadow);
  }

  .card-icon {
    background: linear-gradient(135deg, rgba(196, 92, 38, 0.15), rgba(184, 134, 11, 0.12));
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: none;
    box-shadow: none;
  }

  .gallery figure {
    padding: 0;
    background: #fff;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(15, 20, 25, 0.04);
  }

  .gallery figure img {
    border-radius: 0;
  }

  .site-footer {
    border-top: 1px solid var(--line);
  }

  @media (max-width: 720px) {
    .nav {
      background: rgba(250, 248, 245, 0.99);
      backdrop-filter: none;
      -webkit-backdrop-filter: none;
      border-bottom: 1px solid var(--line);
    }
  }
}

.site-footer a {
  color: var(--ink-soft);
}

/* Standalone legal pages linked from footer */
.legal-doc {
  max-width: 720px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
  color: var(--ink-soft);
}

.legal-doc h1 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
}

.legal-doc .legal-meta {
  font-size: 0.9rem;
  margin: 0 0 2rem;
  color: var(--ink-soft);
}

.legal-doc h2 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
  margin: 2rem 0 0.75rem;
}

.legal-doc p,
.legal-doc ul {
  font-size: 1rem;
  line-height: 1.65;
  margin: 0 0 1rem;
}

.legal-doc ul {
  padding-left: 1.25rem;
}

.legal-doc li {
  margin-bottom: 0.35rem;
}

.legal-doc a {
  color: var(--accent);
}

.legal-back {
  display: inline-block;
  margin-bottom: 1.5rem;
  font-weight: 600;
  font-size: 0.95rem;
}