/* ============================================================
   MIZUHO PHARMA — 瑞穂医薬株式会社
   配色：深藏蓝 #0D2B45 / 天蓝 #3CA0D0 / 白 #FFFFFF / 浅灰 #F5F7FA
   字体：Noto Serif SC（标题） / Noto Sans SC（正文）
   ============================================================ */

:root {
  --navy:    #0D2B45;
  --blue:    #3CA0D0;
  --blue-lt: #EBF5FB;
  --white:   #FFFFFF;
  --gray-bg: #F5F7FA;
  --gray:    #6B7280;
  --text:    #1A2B3C;
  --border:  #DDE4ED;
  --radius:  4px;
  --shadow:  0 4px 24px rgba(13,43,69,0.10);
  --trans:   0.3s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans SC', 'Noto Sans JP', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  font-size: 15px;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ul { list-style: none; }

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── HEADER ── */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(13,43,69,0.08);
  transition: var(--trans);
}

.header-inner {
  display: flex;
  align-items: center;
  height: 72px;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  height: 48px;
  width: 48px;
  object-fit: contain;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.logo-name-jp {
  font-family: 'Noto Serif SC', serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: 0.05em;
  line-height: 1.2;
  white-space: nowrap;
}

.logo-name-en {
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 10px;
  font-weight: 400;
  color: var(--gray);
  letter-spacing: 0.08em;
  line-height: 1.2;
  white-space: nowrap;
}

.nav { flex: 1; }

.nav-list {
  display: flex;
  gap: 4px;
}

.nav-item { position: relative; }

.nav-item > a {
  display: block;
  padding: 8px 14px;
  color: var(--navy);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.03em;
  border-radius: var(--radius);
  transition: var(--trans);
}

.nav-item > a:hover,
.nav-item.active > a {
  color: var(--blue);
  background: var(--blue-lt);
}

/* 下拉菜单 */
.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 200px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: var(--trans);
}

.has-dropdown:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown li a {
  display: block;
  padding: 10px 18px;
  font-size: 14px;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  transition: var(--trans);
}

.dropdown li:last-child a { border-bottom: none; }

.dropdown li a:hover {
  background: var(--blue-lt);
  color: var(--blue);
}

/* 语言切换 */
.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--gray);
}

.lang-btn {
  color: var(--gray);
  font-size: 12px;
  transition: var(--trans);
}

.lang-btn:hover, .lang-btn.active {
  color: var(--blue);
}

.btn-consult {
  padding: 9px 20px;
  background: var(--blue);
  color: var(--white);
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  transition: var(--trans);
}

.btn-consult:hover { background: #2d8cb8; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: var(--trans);
}

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(13,43,69,0.88) 0%, rgba(26,74,110,0.82) 50%, rgba(13,43,69,0.90) 100%),
    url("https://images.unsplash.com/photo-1629410484397-a4dcd74088a0?w=1600&q=80");
  background-size: cover;
  background-position: center;
}

/* 日本感的几何装饰 */
.hero-bg::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -5%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  border: 80px solid rgba(60,160,208,0.08);
}

.hero-bg::after {
  content: '';
  position: absolute;
  bottom: -15%;
  left: -8%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  border: 60px solid rgba(60,160,208,0.05);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%233CA0D0' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
  margin: 0 auto;
  padding: 120px 24px 80px;
  text-align: center;
}

.hero-eyebrow {
  font-size: 12px;
  letter-spacing: 0.25em;
  color: var(--blue);
  margin-bottom: 24px;
  font-weight: 400;
}

.hero-title {
  font-family: 'Noto Serif SC', serif;
  font-size: clamp(2rem, 5vw, 3.2rem);
  color: var(--white);
  line-height: 1.3;
  font-weight: 600;
  margin-bottom: 12px;
}

.hero-title-cn {
  display: block;
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: rgba(255,255,255,0.65);
  font-weight: 300;
  margin-top: 10px;
  letter-spacing: 0.05em;
}

.hero-desc {
  color: rgba(255,255,255,0.65);
  font-size: 15px;
  margin: 24px 0 40px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  padding: 14px 32px;
  background: var(--blue);
  color: var(--white);
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  transition: var(--trans);
  letter-spacing: 0.03em;
}

.btn-primary:hover { background: #2d8cb8; transform: translateY(-1px); }

.btn-secondary {
  padding: 14px 32px;
  border: 1px solid rgba(255,255,255,0.3);
  color: rgba(255,255,255,0.85);
  border-radius: var(--radius);
  font-size: 15px;
  transition: var(--trans);
}

.btn-secondary:hover {
  border-color: rgba(255,255,255,0.6);
  color: var(--white);
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.hero-scroll span {
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.4));
  margin: 0 auto;
  animation: scrollLine 1.8s ease infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ── SECTIONS ── */
.section {
  padding: 96px 0;
}

.section-label {
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--blue);
  font-weight: 500;
  margin-bottom: 12px;
}

.section-title {
  font-family: 'Noto Serif SC', serif;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--navy);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 16px;
}

.section-desc {
  color: var(--gray);
  font-size: 15px;
  margin-bottom: 56px;
}

/* ── 核心优势 ── */
.advantages { background: var(--white); }

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 56px;
}

.advantage-item {
  padding: 32px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--trans);
}

.advantage-item:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.advantage-icon {
  width: 48px;
  height: 48px;
  padding: 12px;
  box-sizing: border-box;
  color: var(--blue);
  background: var(--blue-lt);
  border-radius: 12px;
  margin-bottom: 20px;
}

.advantage-item h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 10px;
}

.advantage-item p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.7;
}

/* ── 服务项目 ── */
.services { background: var(--gray-bg); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  position: relative;
  transition: var(--trans);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px;
  height: 100%;
  background: var(--blue);
  transform: scaleY(0);
  transition: var(--trans);
  z-index: 2;
}

.service-card:hover::before { transform: scaleY(1); }

.service-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.service-card-img {
  position: relative;
  height: 160px;
  overflow: hidden;
}

.service-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.service-card-num {
  position: absolute;
  top: 16px;
  left: 20px;
  font-size: 32px;
  font-weight: 700;
  color: rgba(255,255,255,0.85);
  line-height: 1;
  font-family: 'Noto Sans SC', sans-serif;
  text-shadow: 0 1px 6px rgba(13,43,69,0.5);
}

.service-card-body {
  padding: 28px 36px 36px;
}

.service-num {
  font-size: 48px;
  font-weight: 700;
  color: var(--blue-lt);
  line-height: 1;
  margin-bottom: 16px;
  font-family: 'Noto Sans SC', sans-serif;
}

.service-icon {
  width: 44px;
  height: 44px;
  padding: 11px;
  box-sizing: border-box;
  color: var(--blue);
  background: var(--white);
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(13,43,69,0.18);
  position: absolute;
  right: 20px;
  bottom: -22px;
  z-index: 2;
}

.service-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 12px;
}

.service-card p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.75;
  margin-bottom: 20px;
}

.service-link {
  font-size: 14px;
  color: var(--blue);
  font-weight: 500;
  transition: var(--trans);
}

.service-link:hover { letter-spacing: 0.05em; }

/* ── 就医流程 ── */
.process { background: var(--navy); }

.process .section-label { color: var(--blue); }
.process .section-title { color: var(--white); }
.process .section-desc { color: rgba(255,255,255,0.55); }

.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  margin-top: 56px;
  position: relative;
}

.process-step {
  text-align: center;
  padding: 0 16px;
  position: relative;
}

.step-circle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 2px solid var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  background: var(--navy);
  position: relative;
  z-index: 2;
}

.step-circle span {
  font-size: 14px;
  font-weight: 600;
  color: var(--blue);
  letter-spacing: 0.05em;
}

.step-line {
  position: absolute;
  top: 28px;
  left: calc(50% + 28px);
  right: calc(-50% + 28px);
  height: 1px;
  background: rgba(60,160,208,0.3);
  z-index: 1;
}

.step-line-none { display: none; }

.process-step h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 10px;
}

.process-step p {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
}

/* ── 为什么选择日本 ── */
.why-japan { background: var(--white); }

.why-japan-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.why-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-top: 40px;
}

.why-item {
  display: flex;
  gap: 16px;
}

.why-icon {
  width: 32px;
  height: 32px;
  padding: 6px;
  box-sizing: border-box;
  color: var(--blue);
  background: var(--blue-lt);
  border-radius: 8px;
  flex-shrink: 0;
}

.why-item h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
}

.why-item p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.7;
}

.stat-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.stat-item {
  background: var(--navy);
  padding: 36px 24px;
  text-align: center;
}

.stat-num {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--white);
  font-family: 'Noto Sans SC', sans-serif;
  line-height: 1;
}

.stat-unit {
  font-size: 1rem;
  color: var(--blue);
  font-weight: 400;
}

.stat-item p {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  margin-top: 8px;
  line-height: 1.5;
}

/* ── 患者案例 ── */
.cases { background: var(--gray-bg); }

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-card {
  background: var(--white);
  padding: 36px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  position: relative;
}

.case-quote {
  font-size: 4rem;
  color: var(--blue-lt);
  font-family: Georgia, serif;
  line-height: 1;
  margin-bottom: 16px;
}

.case-text {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.8;
  margin-bottom: 24px;
}

.case-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.case-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
}

.case-tag {
  font-size: 12px;
  color: var(--blue);
}

/* ── 联系咨询 ── */
.contact { background: var(--white); }

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-text .section-title { margin-bottom: 16px; }

.contact-text > p {
  color: var(--gray);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 40px;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.method-label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gray);
  margin-bottom: 16px;
  font-weight: 500;
}

.qr-group {
  display: flex;
  gap: 20px;
}

.qr-item {
  text-align: center;
}

.qr-item img {
  width: 100px;
  height: 100px;
  object-fit: cover;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.qr-item p {
  font-size: 12px;
  color: var(--gray);
  margin-top: 8px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.contact-details p {
  font-size: 14px;
  color: var(--text);
  line-height: 1.6;
}

.contact-details a { color: var(--blue); }
.contact-details a:hover { text-decoration: underline; }

/* 表单 */
.contact-form-wrap {
  background: var(--gray-bg);
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.contact-form h3 {
  font-family: 'Noto Serif SC', serif;
  font-size: 18px;
  color: var(--navy);
  margin-bottom: 28px;
  font-weight: 600;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  color: var(--text);
  margin-bottom: 6px;
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
  background: var(--white);
  transition: var(--trans);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(60,160,208,0.1);
}

.form-group textarea { resize: vertical; }

.btn-submit {
  width: 100%;
  padding: 14px;
  background: var(--navy);
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: var(--trans);
  letter-spacing: 0.05em;
}

.btn-submit:hover { background: var(--blue); }

.form-note {
  font-size: 12px;
  color: var(--gray);
  margin-top: 12px;
  text-align: center;
}

/* ── FOOTER ── */
.footer {
  background: var(--navy);
  color: rgba(255,255,255,0.6);
  padding-top: 64px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 64px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand img { filter: brightness(0) invert(1); opacity: 0.9; }

.footer-tagline {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  margin: 16px 0 12px;
}

.footer-address {
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  line-height: 1.7;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.footer-col h5 {
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.8);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  transition: var(--trans);
}

.footer-col a:hover { color: var(--blue); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  font-size: 12px;
}

.footer-lang {
  display: flex;
  gap: 16px;
}

.footer-lang a {
  color: rgba(255,255,255,0.35);
  font-size: 12px;
  transition: var(--trans);
}

.footer-lang a:hover,
.footer-lang a.active { color: var(--blue); }

/* ── 悬浮咨询 ── */
.float-contact {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 200;
}

.float-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--blue);
  color: var(--white);
  border: none;
  border-radius: 40px;
  font-size: 14px;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(60,160,208,0.4);
  transition: var(--trans);
}

.float-btn:hover {
  background: #2d8cb8;
  transform: translateY(-2px);
}

.float-panel {
  position: absolute;
  bottom: calc(100% + 12px);
  right: 0;
  width: 300px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: 0 8px 40px rgba(13,43,69,0.2);
  border: 1px solid var(--border);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: var(--trans);
}

.float-panel.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.float-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
}

.float-close {
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  color: var(--gray);
  line-height: 1;
}

.float-panel-body { padding: 20px; }

.float-qr-row {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
}

.float-qr {
  flex: 1;
  text-align: center;
}

.float-qr img {
  width: 100%;
  max-width: 110px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.float-qr p {
  font-size: 12px;
  color: var(--gray);
  margin-top: 8px;
}

.float-email a {
  display: block;
  text-align: center;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--blue);
  transition: var(--trans);
}

.float-email a:hover { background: var(--blue-lt); }

/* ── 响应式 ── */
@media (max-width: 960px) {
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; gap: 32px; }
  .step-line { display: none; }
  .why-japan-inner { grid-template-columns: 1fr; gap: 40px; }
  .cases-grid { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-nav { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .nav { display: none; }
  .nav.open { display: block; position: absolute; top: 72px; left: 0; right: 0; background: var(--white); padding: 16px; border-bottom: 1px solid var(--border); box-shadow: var(--shadow); }
  .nav-list { flex-direction: column; }
  .dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; background: var(--gray-bg); margin-top: 4px; }
  .dropdown li a { color: var(--text); border-bottom-color: var(--border); }
  .nav-toggle { display: flex; }
  .lang-switch { display: none; }
}

@media (max-width: 768px) {
  .advantages-grid { grid-template-columns: 1fr; }
  .stat-box { grid-template-columns: 1fr 1fr; }
  .footer-nav { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .float-contact { bottom: 20px; right: 16px; }
  .contact-form-wrap { padding: 24px; }
}

/* 表单反垃圾蜜罐字段：正常用户不可见，脚本机器人常会自动填充 */
.hp-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
  overflow: hidden;
}

/* 表单提交状态提示 */
.form-status-msg {
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.6;
  display: none;
}
.form-status-msg.success { display: block; color: #1f8a4c; }
.form-status-msg.error { display: block; color: #c0392b; }