/* 尾部 */
.site-footer {
  background: #211816;
  color: #b9b0ac;
  padding: 30px 0 10px;
  font-size: 10pt;
}
 
 .footer-shell {
  width: min(92%, 1680px);
  margin: 0 auto;
}
 .footer-top {
  display: grid;
  grid-template-columns: 3.75fr 0.5fr 1.05fr;
  gap: 28px;
  align-items: start;
  padding-bottom: 52px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
 .footer-logo-box {
  width: 114px;
  height: 85px;
  background: #fff;
  border-radius: 4px;
  margin-bottom: 32px;
  padding: 16px 14px 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
 .footer-logo-box img {
  display: block;
  width: 100%;
  height: auto;
}
 .footer-text,
.footer-links a,
.footer-contact {
  color: #b9b0ac;
  line-height: 1.8;
  text-decoration: none;
}
 .footer-warning {
  margin-top: 18px;
  font-weight: 700;
}
 .footer-warning a {
  color: inherit;
}
 .footer-title {
  margin: 0 0 18px;
  color: #d8d1ce;
  font-weight: 800;
  line-height: 1.4;
}
 .footer-links,
.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
 .footer-contact-list {
  font-size: 12px;
}
.footer-bottom {
  text-align: center;
  color: #8f8682;
  padding-top: 10px;
}

.floating-whatsapp {
  position: fixed;
  right: 28px;
  bottom: 28px;
  z-index: 50;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #67ca70;
  box-shadow: 0 10px 24px rgba(29, 88, 39, 0.24);
  color: #fff;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.floating-whatsapp:hover,
.floating-whatsapp:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 14px 28px rgba(29, 88, 39, 0.3);
}

.floating-whatsapp:focus-visible {
  outline: 3px solid rgba(103, 202, 112, 0.4);
  outline-offset: 4px;
}

.floating-whatsapp svg {
  width: 38px;
  height: 38px;
  fill: currentColor;
}

/* 响应式：尾部 */
@media (max-width: 860px) {
  :root {
    --header-height: 98px;
    --container: calc(100vw - 32px);
  }
   .header {
    position: relative;
  }
   .nav,
  .actions {
    display: none;
  }
   .menu-btn {
    display: inline-flex;
  }
   .mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: #fff;
    border-top: 1px solid rgba(122, 68, 29, 0.08);
    border-bottom: 1px solid rgba(122, 68, 29, 0.08);
    box-shadow: 0 18px 40px rgba(36, 20, 9, 0.08);
    z-index: 30;
  }
   .mobile-menu.is-open {
    display: block;
  }
   .mobile-menu__inner {
    padding: 22px 14px 18px;
  }
   .mobile-menu__list {
    display: flex;
    flex-direction: column;
    gap: 3px;
  }
   .mobile-menu__link,
  .mobile-menu__trigger {
    width: 100%;
    min-height: 40px;
    padding: 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border: 0;
    background: transparent;
    color: #111;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    text-align: left;
    border-radius: 8px;
  }
   .mobile-menu__trigger.is-open {
    background: #f3f0ef;
    color: var(--brand);
  }
   .mobile-menu__chevron {
    width: 10px;
    height: 10px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    margin-right: 6px;
    flex: 0 0 auto;
  }
   .mobile-menu__trigger.is-open .mobile-menu__chevron {
    transform: rotate(-135deg);
  }
   .mobile-menu__submenu {
    display: none;
    padding: 12px 0 16px 30px;
  }
   .mobile-menu__submenu.is-open {
    display: block;
  }
   .mobile-menu__submenu a {
    display: block;
    padding: 8px 0;
    color: #726056;
    text-decoration: none;
    font-size: 16px;
   
  }
   .mobile-menu__actions {
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
   .mobile-menu__actions .btn {
    width: 100%;
   
    font-size: 15px;
  }
   .logo__word {
    font-size: 32px;
  }
   .logo img {
    width: 72px;
  }
   .hero {
    min-height: clamp(420px, calc(100vh - var(--header-height) - 280px), 520px);
    margin-top: var(--mobile-menu-offset);
    transition: margin-top 0.25s ease;
  }
   .hero__inner {
    align-items: flex-start;
    justify-content: flex-start;
    padding: 44px 0 40px;
    min-height: clamp(420px, calc(100vh - var(--header-height) - 280px), 520px);
  }
   .hero-card {
    width: calc(100vw - 56px);
    min-height: auto;
    margin: 120px auto 0;
    padding: 32px 26px 28px;
    border-radius: 22px;
  }
   .hero-card h1 {
    font-size: clamp(30px, 7.2vw, 46px);
    line-height: 1.06;
  }
   .hero-card p {
    margin: 22px 0 34px;
    font-size: clamp(13px, 3vw, 16px);
    line-height: 1.6;
  }
   .hero-card .btn--solid {
    min-height: 72px;
    font-size: clamp(16px, 3.8vw, 21px);
  }
   .calculator-section {
    padding: 36px 0 30px;
  }
   .process-section {
    padding: 44px 0 54px;
  }
   .about-section {
    padding: 30px 0 60px;
  }
   .advantage-section {
    padding: 54px 0 64px;
  }
   .reviews-section {
    padding: 54px 0 64px;
  }
   .faq-section {
    padding: 54px 0 64px;
  }
   .contact-section {
    padding: 54px 0 64px;
  }
   .site-footer {
     padding: 42px 0 24px;
   }
   .floating-whatsapp {
     right: 18px;
     bottom: 18px;
     width: 56px;
     height: 56px;
   }
   .floating-whatsapp svg {
     width: 34px;
     height: 34px;
   }
   .footer-shell {
    width: calc(100vw - 36px);
  }
   .footer-top {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-bottom: 28px;
  }
   .footer-logo-box {
    width: 68px;
    height: 60px;
    padding: 10px 8px;
    margin-bottom: 20px;
  }
   .contact-shell {
    width: calc(100vw - 36px);
  }
   .contact-head {
    margin-bottom: 34px;
  }
   .contact-layout {
    grid-template-columns: 1fr;
    gap: 34px;
  }
   .contact-form {
    gap: 10px;
  }
   .contact-input {
    height: 40px;
  }
   .contact-textarea {
    min-height: 110px;
  }
   .contact-submit {
    min-height: 50px;
  }
   .contact-map {
    min-height: 240px;
  }
   .faq-shell {
    width: calc(100vw - 36px);
  }
   .faq-head {
    margin-bottom: 30px;
  }
   .faq-list {
    gap: 14px;
  }
   .faq-question {
    padding: 18px 18px;
  }
   .faq-answer {
    line-height: 1.8;
  }
   .reviews-shell {
    width: calc(100vw - 36px);
  }
   .reviews-head {
    margin-bottom: 34px;
  }
   .reviews-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
   .review-card {
    min-height: 0;
    padding: 26px 20px 24px;
    border-radius: 20px;
  }
   .review-stars {
    gap: 8px;
    margin-bottom: 10px;
  }
   .review-text {
    line-height: 1.85;
  }
   .advantage-shell {
    width: calc(100vw - 36px);
  }
   .advantage-head {
    margin-bottom: 34px;
  }
   .advantage-head p {
    margin-top: 14px;
  }
   .advantage-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
   .advantage-card {
    min-height: 0;
    padding: 26px 24px 28px;
    border-radius: 20px;
  }
   .advantage-icon {
    width: 82px;
    height: 82px;
    font-size: 2rem;
  }
   .advantage-title {
    margin-top: 20px;
	font-size: 1.4rem;
  }
   .advantage-text {
    margin-top: 10px;
  }
   .advantage-cta {
    min-width: 100px;
    min-height: 40px;
    margin-top: 22px;
  }
   .about-shell {
    width: calc(100vw - 36px);
    grid-template-columns: 1fr;
    gap: 38px;
  }
   .about-title {
    font-size: 1.875rem;
  }
   .about-text {
    margin-top: 26px;
    font-size: 1.5rem;
    line-height: 1.8;
  }
   .about-actions {
    margin-top: 26px;
  }
   .about-cta {
    min-width: 136px;
    min-height: 72px;
    font-size: 1.5rem;
    padding: 0 32px;
  }
   .about-stats {
    gap: 16px;
  }
   .about-card {
    min-height: 160px;
    border-radius: 10px;
    padding: 18px;
  }
   .about-card__value {
    font-size: 1.5rem;
		font-weight: 700;
  }
   .about-card__label {
    margin-top: 10px;
    font-size: 1.5rem;
  }
   .process-shell {
    width: calc(100vw - 36px);
  }
   .process-head {
    margin-bottom: 34px;
  }
   .process-head h2 {
    font-size: 26px;
  }
   .process-head p {
    margin-top: 14px;
    font-size: 15px;
  }
   .process-list {
    grid-template-columns: 1fr;
    gap: 20px;
  }
   .process-item:not(:last-child)::after {
    display: none;
  }
   .process-icon {
    width: 76px;
    height: 76px;
    border-width: 3px;
  }
   .process-icon svg {
    width: 28px;
    height: 28px;
  }
   .process-step {
    margin-top: 14px;
    font-size: 14px;
  }
   .process-title {
    margin-top: 10px;
    font-size: 18px;
  }
   .process-text {
    margin-top: 10px;
    font-size: 14px;
  }
   .calculator-shell {
    width: calc(100vw - 24px);
    padding: 28px 18px 28px;
   
  }
   .calculator-row {
    margin-bottom: 18px;
  }
   .calculator-label {
    font-size: 22px;
  }
   .calculator-value {
    font-size: 28px;
  }
   .range-wrap {
    margin-bottom: 36px;
  }
   .range-input {
    height: 8px;
  }
   .range-input::-webkit-slider-thumb {
    width: 16px;
    height: 16px;
  }
   .range-input::-moz-range-thumb {
    width: 16px;
    height: 16px;
  }
   .months-grid {
    gap: 9px;
    margin-bottom: 20px;
  }
   .month-chip {
    min-width: 0;
    width: 50px;
    height: 30px;
    line-height: 30px;
    padding: 0 8px;
    font-size: 18px;
  }
   .calc-btn {
    height: 50px;
    font-size: 26px;
  }
   .result-box {
    min-height: 90px;
    gap: 4px;
    margin-bottom: 20px;
    padding: 8px 12px;
  }
   .result-box__label {
    font-size: 1rem;
  }
   .result-box__value {
    font-size: 1.5rem;
  }
   .calculator-notes {
    padding-left: 24px;
    font-size: 14px;
    line-height: 1.6;
  }
   .figure {
    width: 280px;
    height: 482px;
    bottom: 16px;
  }
   .stacks {
    height: 180px;
  }
   .stack--1 { left: 8%; }
  .stack--2 { left: 27%; }
  .stack--3 { left: 55%; }
  .stack--4 { left: 72%; }
  .stack--5 { display: none; }
   .coin--1 { left: 3%; top: 18%; }
  .coin--2 { left: 36%; top: 10%; }
  .coin--3 { left: 76%; top: 18%; }
  .coin--4 { right: 8%; top: 34%; }
  .coin--5 { display: none; }
  .coin--6 { display: none; }
  .coin--7 { left: -2%; top: 42%; }
  .coin--8 { left: 12%; top: 70%; }
  .coin--9 { right: 4%; top: 62%; }
  .coin--10 { display: none; }
  .coin--11 { display: none; }
  .coin--12 { display: none; }
  .coin--13 { display: none; }
}

@media (max-width: 480px) {
  :root {
    --header-height: 70px;
  }
   .header__inner {
    gap: 12px;
  }
   .hero-card {
    width: calc(100vw - 48px);
    margin-top: 170px;
    padding: 28px 18px 22px;
  }
   .hero-card p {
    font-size: 12px;
  }
   .hero-card .btn--solid {
    min-height: 66px;
  }
   .calculator-shell {
    width: calc(100vw - 20px);
    padding: 24px 30px 24px;
  }
   .process-head h2 {
    font-size: 22px;
  }
   .about-shell {
    width: calc(100vw - 24px);
  }
   .advantage-shell {
    width: calc(100vw - 24px);
  }
   .reviews-shell {
    width: calc(100vw - 24px);
  }
   .faq-shell {
    width: calc(100vw - 24px);
  }
   .contact-shell {
    width: calc(100vw - 24px);
  }
   .footer-shell {
    width: calc(100vw - 24px);
  }
   .review-card {
    padding: 24px 18px 22px;
  }
   .advantage-card {
    padding: 18px 18px 24px;
  }
   .advantage-icon {
    width: 76px;
    height: 76px;
    font-size: 1.8rem;
  }
   .advantage-cta {
    min-width: 132px;
  }
   .about-title {
    font-size: 1.875rem;
  }
   .about-text {
    font-size: 1.5rem;
  }
   .about-cta {
    min-width: 128px;
    min-height: 54px;
    font-size: 1.5rem;
  }
   .about-stats {
    gap: 14px;
  }
   .about-card {
    min-height: 100px;
  }
   .about-card__value {
    font-size: 2rem;
  }
   .about-card__label {
    font-size: 1.2rem;
  }
   .process-head p {
    font-size: 13px;
  }
   .process-icon {
    width: 70px;
    height: 70px;
  }
   .process-step {
    font-size: 13px;
  }
   .process-title {
    font-size: 16px;
  }
   .process-text {
    font-size: 13px;
  }
   .calculator-label {
    font-size: 19px;
  }
   .calculator-value {
    font-size: 20px;
  }
   .month-chip {
    min-width: 0;
    width: auto;
    height: 34px;
    line-height: 34px;
    padding: 0 12px;
    font-size: 16px;
  }
   .calc-btn {
    font-size: 22px;
  }
   .result-box__label {
    font-size: 1rem;
  }
   .result-box__value {
    font-size: 2rem;
  }
}