/* ===========================================================
   新一家装饰 · 组件样式
   =========================================================== */

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background-color 0.3s ease, transform 0.3s ease,
    box-shadow 0.3s ease;
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 20px var(--pad-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* 未滚动时浮在 Hero 之上 */
.site-header:not(.is-solid) {
  background: transparent;
  color: var(--white);
}

.site-header.is-solid {
  background: rgba(247, 244, 238, 0.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(24, 35, 28, 0.06);
  color: var(--ink);
}

.site-header.is-hidden {
  transform: translateY(-100%);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand__mark {
  display: inline-flex;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.brand__text strong {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.brand__text em {
  font-style: normal;
  font-size: 10px;
  letter-spacing: 0.16em;
  opacity: 0.62;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.primary-nav a {
  position: relative;
  font-size: 15px;
  padding: 6px 0;
  transition: opacity 0.2s ease;
}

.primary-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1.5px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.24s ease;
}

.primary-nav a:hover::after,
.primary-nav a.is-active::after {
  transform: scaleX(1);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
  color: inherit;
  cursor: pointer;
  padding: 0;
}

.menu-toggle .icon {
  width: 24px;
  height: 24px;
}

.icon-close {
  display: none;
}

.menu-toggle[aria-expanded="true"] .icon-menu {
  display: none;
}

.menu-toggle[aria-expanded="true"] .icon-close {
  display: block;
}

@media (max-width: 900px) {
  .menu-toggle {
    display: flex;
    z-index: 2;
  }

  .primary-nav {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    background: var(--green-dark);
    color: var(--white);
    font-size: 19px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.28s ease, visibility 0.28s ease;
  }

  .primary-nav.is-open {
    opacity: 1;
    visibility: visible;
  }

  .primary-nav a::after {
    display: none;
  }

  body.nav-open {
    overflow: hidden;
  }

  /* 移动端菜单打开时强制用浅色文字 */
  .site-header:not(.is-solid) .menu-toggle {
    color: var(--white);
  }
}

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

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* 首屏大图轻微放大，避免加载抖动时的空白感 */
  animation: heroZoom 18s ease-out forwards;
}

@keyframes heroZoom {
  from {
    transform: scale(1.06);
  }
  to {
    transform: scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__bg img {
    animation: none;
  }
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    100deg,
    rgba(10, 23, 18, 0.82) 0%,
    rgba(10, 23, 18, 0.55) 52%,
    rgba(10, 23, 18, 0.36) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  padding-top: 128px;
  padding-bottom: 88px;
  color: var(--white);
  max-width: none;
}

.hero__kicker {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: rgba(240, 242, 238, 0.9);
  margin: 0 0 22px;
}

.hero__title {
  font-size: 64px;
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: 0.01em;
  margin: 0 0 22px;
  max-width: 820px;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.22);
}

.hero__desc {
  font-size: 18px;
  line-height: 1.72;
  color: rgba(240, 242, 238, 0.92);
  max-width: 680px;
  margin: 0 0 34px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 14px;
  font-weight: 500;
  color: rgba(240, 242, 238, 0.9);
}

.hero__trust li {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
}

.hero__trust span {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
}

@media (max-width: 1024px) {
  .hero__title {
    font-size: 46px;
  }
}

@media (max-width: 640px) {
  .hero {
    min-height: 88vh;
    min-height: 88svh;
  }
  .hero__content {
    padding-top: 104px;
    padding-bottom: 56px;
  }
  .hero__title {
    font-size: 32px;
    line-height: 1.35;
  }
  .hero__desc {
    font-size: 16px;
  }
  .hero__actions .btn {
    flex: 1 1 auto;
    min-width: 148px;
  }
  .hero__trust {
    gap: 18px 22px;
    font-size: 13px;
  }
  .hero__trust span {
    font-size: 18px;
  }
}

/* ---------- 服务卡片 ---------- */
.service-card {
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform 0.28s ease, box-shadow 0.28s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(20, 55, 43, 0.09);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  background: var(--green-soft);
  color: var(--green-dark);
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-card__title {
  font-size: 21px;
}

.service-card__desc {
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-70);
  margin: 0;
  flex: 1;
}

.service-card__link {
  font-size: 14px;
  font-weight: 500;
  color: var(--terra);
}

.service-card__link:hover {
  text-decoration: underline;
}

/* ---------- 案例卡片 ---------- */
.case-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.28s ease, box-shadow 0.28s ease;
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 36px rgba(20, 55, 43, 0.1);
}

.case-card__img {
  aspect-ratio: 410 / 260;
  overflow: hidden;
  background: var(--sand);
}

.case-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.case-card:hover .case-card__img img {
  transform: scale(1.05);
}

.case-card__body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.case-card__tag {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--terra);
  margin: 0;
}

.case-card__title {
  font-size: 21px;
}

.case-card__meta {
  font-size: 14px;
  color: var(--ink-70);
  margin: 0;
}

.section-more {
  margin-top: 48px;
  text-align: center;
}

/* ---------- 流程步骤 ---------- */
.step {
  padding: 28px 24px;
  border-radius: var(--radius);
  background: var(--green-soft);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.step__num {
  font-family: var(--font-serif);
  font-size: 34px;
  font-weight: 700;
  color: var(--terra);
  margin: 0;
  line-height: 1;
}

.step__title {
  font-size: 20px;
}

.step__desc {
  font-size: 14px;
  line-height: 1.64;
  color: var(--ink-70);
  margin: 0;
  flex: 1;
}

.step__time {
  font-size: 12px;
  font-weight: 500;
  color: var(--green);
  margin: 0;
  padding-top: 4px;
}

/* ---------- 客户评价 ---------- */
.quote {
  margin: 0;
  padding: 28px 26px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  border: 0.5px solid rgba(255, 255, 255, 0.14);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.quote__mark {
  font-family: var(--font-serif);
  font-size: 52px;
  font-weight: 700;
  color: var(--terra);
  margin: 0;
  line-height: 0.8;
  height: 38px;
}

.quote__text {
  font-size: 15px;
  line-height: 1.74;
  color: var(--white);
  margin: 0;
  flex: 1;
}

.quote__by {
  font-size: 13px;
  font-weight: 500;
  color: rgba(224, 232, 226, 0.78);
}

/* ---------- CTA ---------- */
.cta {
  background: var(--green);
  padding: 88px 0;
}

.cta__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
  text-align: center;
}

.cta__eyebrow {
  color: var(--sand);
}

.cta__title {
  font-size: 40px;
  color: var(--white);
}

.cta__desc {
  font-size: 16px;
  line-height: 1.63;
  color: rgba(232, 240, 235, 0.93);
  max-width: 760px;
  margin: 0;
}

@media (max-width: 640px) {
  .cta {
    padding: 56px 0;
  }
  .cta__title {
    font-size: 26px;
  }
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--ink);
  color: rgba(247, 244, 238, 0.72);
  padding: 64px 0 0;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 48px;
  padding-bottom: 48px;
  flex-wrap: wrap;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 300px;
  color: var(--white);
}

.footer__name {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  margin: 0;
}

.footer__slogan {
  font-size: 13px;
  color: rgba(247, 244, 238, 0.6);
  margin: 0;
}

.footer__nav {
  display: flex;
  gap: 64px;
  flex-wrap: wrap;
}

.footer__col {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
}

.footer__col h3 {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--white);
  margin: 0 0 4px;
}

.footer__col a {
  transition: color 0.2s ease;
}

.footer__col a:hover {
  color: var(--terra);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 24px;
  padding-bottom: 28px;
  border-top: 0.5px solid rgba(247, 244, 238, 0.12);
  font-size: 13px;
}

.footer__bottom p {
  margin: 0;
}

.footer__note {
  opacity: 0.6;
}

@media (max-width: 640px) {
  .footer__nav {
    gap: 32px;
  }
  .footer__inner {
    gap: 32px;
  }
}

/* ---------- 内页共用 ---------- */
.page-hero {
  padding: 168px 0 72px;
  background: var(--green-dark);
  color: var(--white);
}

.page-hero__title {
  font-size: 46px;
  margin-bottom: 16px;
}

.page-hero__desc {
  font-size: 17px;
  line-height: 1.7;
  color: rgba(224, 232, 226, 0.85);
  max-width: 720px;
  margin: 0;
}

@media (max-width: 640px) {
  .page-hero {
    padding: 124px 0 48px;
  }
  .page-hero__title {
    font-size: 29px;
  }
  .page-hero__desc {
    font-size: 15px;
  }
}

/* ---------- 内容图文 ---------- */
.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 56px;
  align-items: center;
}

@media (max-width: 900px) {
  .split {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }
}

.split__img {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--sand);
}

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

.prose p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-70);
  margin: 0 0 18px;
}

.prose h3 {
  font-size: 22px;
  margin: 32px 0 12px;
}

/* ---------- 筛选按钮 ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}

.filter-bar button {
  padding: 9px 18px;
  font-size: 14px;
  font-family: var(--font-sans);
  color: var(--ink-70);
  background: var(--white);
  border: 0.5px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-bar button:hover {
  border-color: var(--green);
  color: var(--green);
}

.filter-bar button.is-active {
  background: var(--green-dark);
  border-color: var(--green-dark);
  color: var(--white);
}

/* ---------- 表单 ---------- */
.form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field label {
  font-size: 14px;
  font-weight: 500;
}

.field input,
.field select,
.field textarea {
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--ink);
  background: var(--white);
  border: 0.5px solid var(--line);
  border-radius: 6px;
  padding: 13px 14px;
  width: 100%;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(46, 107, 79, 0.1);
}

.field__hint {
  font-size: 13px;
  color: var(--ink-45);
}

.form-status {
  font-size: 14px;
  min-height: 22px;
  margin: 0;
}

.form-status.is-error {
  color: #b3402f;
}

.form-status.is-ok {
  color: var(--green);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.info-block h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.info-block p,
.info-block li {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-70);
  margin: 0;
}

.info-block ul {
  margin: 0;
  padding-left: 18px;
}

.info-block a {
  color: var(--green);
}

.info-block a:hover {
  text-decoration: underline;
}

.contact-direct {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  gap: 24px;
  align-items: stretch;
}

.contact-direct__primary {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  min-height: 430px;
  padding: 48px;
  border-radius: var(--radius);
  background: var(--green-dark);
  color: var(--white);
}

.contact-direct__eyebrow {
  margin: 0 0 14px;
  color: var(--sand);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}

.contact-direct__primary h2 {
  margin: 0 0 14px;
  color: var(--white);
  font-family: var(--font-serif);
  font-size: 38px;
  line-height: 1.25;
}

.contact-direct__primary > p:not(.contact-direct__eyebrow):not(.contact-direct__note) {
  max-width: 560px;
  margin: 0 0 18px;
  color: rgba(224, 232, 226, 0.86);
  font-size: 16px;
  line-height: 1.8;
}

.contact-direct__phone {
  margin: 2px 0 22px;
  color: var(--white);
  font-family: var(--font-serif);
  font-size: 48px;
  font-weight: 600;
  line-height: 1.1;
  text-decoration: none;
  transition: color 0.18s ease;
}

.contact-direct__phone:hover {
  color: var(--sand);
}

.contact-direct__note {
  margin: 22px 0 0;
  color: rgba(224, 232, 226, 0.72);
  font-size: 14px;
  line-height: 1.8;
}

.contact-direct__side {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 26px;
  padding: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--sand);
}

.contact-direct__details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
  margin-top: 24px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

@media (max-width: 900px) {
  .contact-direct {
    grid-template-columns: minmax(0, 1fr);
  }
  .contact-direct__primary {
    min-height: 0;
    padding: 36px;
  }
}

@media (max-width: 640px) {
  .contact-direct__primary,
  .contact-direct__side {
    padding: 26px;
  }
  .contact-direct__primary h2 {
    font-size: 30px;
  }
  .contact-direct__phone {
    font-size: 34px;
  }
  .contact-direct__details {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    padding: 24px;
  }
}

/* ---------- 数字统计 ---------- */
.stat {
  padding: 28px 24px;
  border-radius: var(--radius);
  background: var(--white);
  border: 0.5px solid var(--line);
  text-align: center;
}

.stat__num {
  font-family: var(--font-serif);
  font-size: 46px;
  font-weight: 700;
  color: var(--green-dark);
  line-height: 1.1;
  margin: 0 0 8px;
}

.stat__label {
  font-size: 14px;
  color: var(--ink-70);
  margin: 0;
}

@media (max-width: 640px) {
  .stat__num {
    font-size: 36px;
  }
}

/* ---------- 原则卡片 ---------- */
.principle {
  padding: 28px 26px;
  border-radius: var(--radius);
  background: var(--green-soft);
  border-left: 3px solid var(--terra);
}

.principle__title {
  font-size: 20px;
  margin-bottom: 10px;
}

.principle__desc {
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-70);
  margin: 0;
}

/* ---------- 服务详解 ---------- */
.service-detail {
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 100px;
}

.service-detail:first-of-type {
  padding-top: 0;
}

.service-detail:last-of-type {
  border-bottom: 0;
}

.service-detail__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.service-detail__head h3 {
  font-size: 24px;
}

.service-detail__price {
  font-size: 14px;
  color: var(--terra);
  font-weight: 500;
  margin: 0;
}

.service-detail__desc {
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink-70);
  max-width: 820px;
  margin: 0 0 18px;
}

.service-detail__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 28px;
  list-style: none;
  padding: 0;
  margin: 0;
  max-width: 820px;
}

.service-detail__list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-70);
}

.service-detail__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--terra);
}

@media (max-width: 640px) {
  .service-detail__list {
    grid-template-columns: minmax(0, 1fr);
  }
  .service-detail__head h3 {
    font-size: 20px;
  }
}


/* 品牌 logo 图片（新一家装饰） */
.brand__logo {
  height: 48px;
  width: auto;
  display: block;
  background: #fff;
  border-radius: 10px;
  padding: 6px;
  box-sizing: content-box;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12);
}

.footer__logo {
  align-self: flex-start;
  height: 64px;
  width: auto;
  display: block;
  background: #fff;
  border-radius: 12px;
  padding: 8px;
  box-sizing: content-box;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.20);
}

/* 保证 hidden 属性始终生效（覆盖 .case-card 的 display:flex） */
[hidden] {
  display: none !important;
}

/* 案例卡片可点击 */
.case-card {
  cursor: pointer;
}