:root {
  --container-width: 1440px;
  --container-padding: clamp(16px, 3vw, 40px);
}

/* 鍏ㄥ眬閫氱敤甯冨眬瀹瑰櫒 */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

:root {
  --gold: #e5b54d;
  --gold-bright: #ffd978;
  --header-bg: rgba(48, 41, 30, 0.58);
  --header-bg-deep: rgba(36, 31, 23, 0.68);
  --line: rgba(229, 181, 77, 0.42);
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: #17130e;
  color: var(--white);
  font-family: "Montserrat", "Poppins", "Segoe UI", sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

/* -------------------------------------------------------------
   Header 瀵艰埅鏍?(鍏ㄩ€忔槑+榛勯噾楂樺害+鍗婇€忔槑鐧介噾鍥炬爣+鏋佺畝 Active 鎸囩ず鐏?
------------------------------------------------------------- */
.site-header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  color: #ffffff;
  background: transparent;
  transition: transform 0.35s ease, background 0.35s ease, box-shadow 0.35s ease;
}

/* 椤甸潰涓嬫粦鍚搁《鍥哄畾鐘舵€?(Sticky Active State - scrollY > 50px) */
.site-header.is-sticky {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  border-bottom: 1px solid #eaeaea;
  animation: headerSlideDown 0.35s ease forwards;
}

@keyframes headerSlideDown {
  from {
    transform: translateY(-100%);
  }
  to {
    transform: translateY(0);
  }
}

.site-header.is-sticky .top-bar {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  padding: 0;
  border-bottom: 0;
}

.site-header.is-sticky .main-nav {
  background: transparent;
}

.site-header.is-sticky .main-nav__inner {
  min-height: 78px;
}

.site-header.is-sticky .nav-links a {
  color: #1a1c22;
  text-shadow: none;
}

.site-header.is-sticky .nav-links a.is-active,
.site-header.is-sticky .nav-links a:hover {
  color: #dca32c;
}

.site-header.is-sticky .nav-links a.is-active::after {
  background: linear-gradient(90deg, #dca32c, #f5cb66);
  box-shadow: 0 0 8px rgba(220, 163, 44, 0.5);
}

.site-header.is-sticky .brand img {
  mix-blend-mode: multiply;
  filter: brightness(0.95);
}

/* Header 瀹藉睆瀹瑰櫒 */
.header-shell {
  max-width: var(--container-width);
}

/* 1. 椤舵爮 (Top Bar) - 38px 楂樺害 & 閫忔槑搴?*/
.top-bar {
  background: transparent;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  transition: all 0.3s ease;
}

.top-bar__inner {
  min-height: 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.contact-links,
.social-links {
  display: flex;
  align-items: center;
}

.contact-links {
  gap: 20px;
  font-size: 13.5px;
  font-weight: 500;
  color: #ffffff;
}

.contact-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  color: #ffffff;
  transition: color 0.2s ease;
}

.contact-links a:hover {
  color: #ffd978;
}

.contact-links i {
  color: #ffd978;
  font-size: 14px;
}

.divider {
  width: 1px;
  height: 14px;
  background: rgba(255, 255, 255, 0.3);
}

/* 绀句氦鍥炬爣 - 鍗婇€忔槑鐧介噾纾ㄧ爞妗?*/
.social-links {
  gap: 10px;
}

.social-links a {
  width: 30px;
  height: 30px;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #ffffff;
  font-size: 13px;
  backdrop-filter: blur(4px);
  transition: all 0.25s ease;
}

.social-links a:hover {
  background: #dca32c;
  border-color: #dca32c;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(220, 163, 44, 0.4);
}

/* 2. 涓诲鑸爮 (Main Nav) - 72px 楂樺害 & 閫忔槑搴?*/
.main-nav {
  background: transparent;
  transition: background 0.35s ease;
}

.main-nav__inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(24px, 3.5vw, 60px);
  transition: min-height 0.3s ease;
}

.brand {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  width: clamp(150px, 14vw, 220px);
  overflow: hidden;
}

.brand img {
  display: block;
  width: 100%;
  height: auto;
  mix-blend-mode: screen;
  transition: filter 0.3s ease, mix-blend-mode 0.3s ease;
}

.nav-links {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(18px, 2.5vw, 42px);
  min-width: 0;
}

.nav-links a {
  position: relative;
  padding: 10px 0;
  font-size: clamp(13px, 0.95vw, 15.5px);
  font-weight: 600;
  text-transform: uppercase;
  white-space: nowrap;
  letter-spacing: 0.5px;
  color: #ffffff;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
  transition: color 0.25s ease;
}

.nav-links a.is-active,
.nav-links a:hover {
  color: #ffd978;
}

/* PC 端二级下拉菜单系统 (Mega PC Dropdown System) */
.nav-dropdown-group {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.nav-dropdown-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 0;
  font-size: clamp(13px, 0.95vw, 15.5px);
  font-weight: 600;
  text-transform: uppercase;
  white-space: nowrap;
  letter-spacing: 0.5px;
  color: #ffffff;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
  text-decoration: none;
  transition: color 0.25s ease;
}

.nav-dropdown-group:hover .nav-dropdown-link {
  color: #ffd978;
}

.nav-arrow {
  font-size: 11px;
  opacity: 0.85;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), color 0.25s ease;
}

.nav-dropdown-group:hover .nav-arrow {
  transform: rotate(180deg);
  color: #ffd978;
}

.pc-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  width: max-content;
  min-width: 300px;
  max-width: 400px;
  background: #ffffff;
  border-radius: 8px;
  border-top: 3.5px solid #dca32c;
  box-shadow: 0 16px 42px rgba(11, 29, 58, 0.22);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease, visibility 0.3s ease;
  z-index: 999;
}

.nav-dropdown-group:hover .pc-dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.dropdown-menu-inner {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 10px;
}

.dropdown-item {
  display: flex;
  align-items: center;
  padding: 12px 18px;
  border-radius: 6px;
  border-left: 3px solid transparent;
  text-decoration: none;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.dropdown-item:hover {
  background: rgba(220, 163, 44, 0.08);
  border-left-color: #dca32c;
  transform: translateX(5px);
}

.dropdown-item .item-title {
  color: #0b1d3a;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: 0.2px;
  text-shadow: none;
  text-transform: none;
  transition: color 0.25s ease;
}

.dropdown-item:hover .item-title {
  color: #dca32c;
}

/* 粘性吸顶 Header 下拉菜单颜色微调 */
.site-header.is-sticky .nav-dropdown-link {
  color: #1a1c22;
  text-shadow: none;
}

.site-header.is-sticky .nav-dropdown-group:hover .nav-dropdown-link {
  color: #dca32c;
}

/* 3. 鏋佺畝 Active 閫変腑鎸囩ず鐏?(24px 灞呬腑鏆栭噾涓嬪垝鑳跺泭鏉? */
.nav-links a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, #dca32c, #ffd978);
  transform: translateX(-50%);
  opacity: 0;
  transition: width 0.25s ease, opacity 0.25s ease;
}

.nav-links a.is-active::after {
  width: 24px;
  opacity: 1;
  box-shadow: 0 0 10px rgba(255, 217, 120, 0.7);
}

.nav-links a.is-active::before {
  display: none;
}

/* -------------------------------------------------------------
   閫氱敤妯″潡鏍囬 (Section Heading - 1:1 绮剧‘鍙傜収鎴浘閲嶆瀯)
------------------------------------------------------------- */
.section-heading {
  text-align: center;
  margin-bottom: clamp(34px, 3.8vw, 52px);
}

/* 1. 閲戣壊鍒嗙被灏忔爣棰?(Kicker) */
.section-heading .heading-kicker {
  margin: 0 0 6px;
  color: #f5a623;
  font-size: clamp(13px, 0.95vw, 15px);
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* 2. 娣辫棌钃濆姞绮楀ぇ鏍囬 (Main Title) */
.section-heading .heading-title {
  margin: 0 0 16px;
  color: #0b1d3a;
  font-size: clamp(28px, 2.8vw, 42px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* 3. 閲戣壊娓愬彉绾?+ 涓ぎ瀹炲績閲戣壊鑿卞舰 (Line with Center Diamond) */
.heading-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 0 auto 18px;
  width: 100%;
  max-width: 240px;
}

.heading-divider .line-left {
  flex: 1 1 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, #f5a623);
}

.heading-divider .diamond {
  flex: 0 0 8px;
  width: 8px;
  height: 8px;
  background: #f5a623;
  transform: rotate(45deg);
  box-shadow: 0 0 8px rgba(245, 166, 35, 0.5);
}

.heading-divider .line-right {
  flex: 1 1 auto;
  height: 1px;
  background: linear-gradient(-90deg, transparent, #f5a623);
}

/* 4. 鎻忚堪娈佃惤鏂囨 (Description) */
.section-heading .heading-desc {
  margin: 0 auto;
  max-width: 720px;
  color: #666670;
  font-size: clamp(13.5px, 1.05vw, 16px);
  line-height: 1.6;
  font-weight: 400;
}

/* -------------------------------------------------------------
   鍏ㄧ珯缁熶竴鏍囧噯鎸夐挳绯荤粺 (Unified Standard Capsule Button System)
------------------------------------------------------------- */
.btn-primary-capsule {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 44px;
  padding: 0 32px;
  border: 1.5px solid #dca32c;
  border-radius: 22px;
  background: #ffffff;
  color: #dca32c;
  font-size: 13.5px;
  font-weight: 800;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(220, 163, 44, 0.12);
  transition: all 0.25s cubic-bezier(0.25, 0.8, 0.25, 1);
  cursor: pointer;
}

.btn-primary-capsule:hover {
  background: linear-gradient(135deg, #dca32c, #f5cb66);
  border-color: transparent;
  color: #ffffff;
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(220, 163, 44, 0.35);
}

.btn-primary-capsule i {
  font-size: 12px;
  transition: transform 0.25s ease, color 0.25s ease;
}

.btn-primary-capsule:hover i {
  transform: translateX(4px);
  color: #ffffff;
}

.products-action,
.news-action {
  text-align: center;
  margin-top: clamp(38px, 4vw, 56px);
}

/* -------------------------------------------------------------
   Common Responsive Rules
------------------------------------------------------------- */
@media (max-width: 1200px) {
  .top-bar__inner {
    min-height: 42px;
  }

  .main-nav__inner {
    min-height: 72px;
  }

  .nav-links {
    gap: 16px;
  }

  .social-links {
    gap: 10px;
  }
}

@media (max-width: 900px) {
  .site-header {
    position: relative;
    background: var(--header-bg-deep);
  }

  .top-bar__inner,
  .main-nav__inner {
    padding-block: 14px;
  }

  .top-bar__inner,
  .main-nav__inner,
  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .contact-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px 20px;
    font-size: 14px;
  }

  .divider {
    display: none;
  }

  .brand {
    width: min(78vw, 330px);
  }

  .nav-links {
    flex-basis: 100%;
    gap: 8px 22px;
  }

  .nav-links a {
    padding: 8px 0 14px;
    font-size: 13px;
  }

  .nav-links a.is-active::before {
    width: 72px;
    bottom: 2px;
  }

  .nav-links a.is-active::after {
    display: none;
  }
}

@media (max-width: 560px) {
  .section-heading {
    margin-bottom: 30px;
  }

  .section-heading p {
    width: min(100%, 320px);
    margin-inline: auto;
    line-height: 1.55;
  }

  .header-shell {
    padding-inline: 16px;
  }

  .top-bar__inner {
    gap: 14px;
  }

  .social-links a {
    width: 34px;
    height: 34px;
    font-size: 15px;
  }

  .main-nav__inner {
    min-height: auto;
  }

  .nav-links {
    justify-content: center;
    overflow: visible;
    width: 100%;
    padding-bottom: 4px;
    flex-wrap: wrap;
  }
}

/* -------------------------------------------------------------
   Site Footer (椤佃剼妯″潡 - 鏋佺畝绾櫧 Ultra-Clean Luxury White Theme)
------------------------------------------------------------- */
.site-footer {
  position: relative;
  background: #ffffff;
  color: #2b2d35;
  font-family: inherit;
  overflow: hidden;
  border-top: 1px solid #eaeaea;
}

.footer-top-accent {
  height: 3px;
  background: linear-gradient(90deg, #dca32c 0%, #f5cb66 50%, #dca32c 100%);
}

/* 1. 璁㈤槄鏍?(Newsletter Bar) */
.footer-newsletter {
  padding: clamp(36px, 3.8vw, 54px) 0;
  background: #ffffff;
  border-bottom: 1px solid #f0f0f4;
}

.newsletter-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}

.newsletter-brand {
  display: flex;
  align-items: center;
  gap: 18px;
}

.newsletter-icon-wrap {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: rgba(220, 163, 44, 0.1);
  border: 1px solid rgba(220, 163, 44, 0.2);
  color: #dca32c;
  font-size: 24px;
}

.newsletter-text h2 {
  margin: 0 0 3px;
  color: #1a1c22;
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 800;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

.newsletter-text h2 span {
  color: #dca32c;
}

.newsletter-text p {
  margin: 0;
  color: #666670;
  font-size: clamp(13px, 0.95vw, 15px);
}

.newsletter-form {
  display: flex;
  align-items: center;
  gap: 0;
  width: min(100%, 500px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  border-radius: 6px;
  overflow: hidden;
}

.newsletter-form .input-group {
  position: relative;
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  background: #ffffff;
  border: 1px solid #dcdde4;
  border-right: 0;
  border-radius: 6px 0 0 6px;
}

.newsletter-form .input-icon {
  position: absolute;
  left: 16px;
  color: #dca32c;
  font-size: 15px;
}

.newsletter-form input {
  width: 100%;
  height: 48px;
  padding: 0 16px 0 44px;
  border: 0;
  outline: none;
  background: transparent;
  color: #1a1c22;
  font-size: 14px;
  font-family: inherit;
}

.newsletter-form input::placeholder {
  color: #9999a3;
}

.newsletter-form .submit-btn {
  flex: 0 0 auto;
  height: 48px;
  padding: 0 30px;
  border: 0;
  border-radius: 0 6px 6px 0;
  background: #dca32c;
  color: #ffffff;
  font-size: 14.5px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 0 3px 12px rgba(220, 163, 44, 0.25);
  transition: all 0.25s ease;
}

.newsletter-form .submit-btn:hover {
  background: #c89429;
  box-shadow: 0 5px 18px rgba(220, 163, 44, 0.4);
}

/* 2. 绀句氦濯掍綋鍥炬爣琛?(Social Media Row) */
.footer-social-row {
  padding: 34px 0 0;
  text-align: center;
  background: #ffffff;
}

.social-circle-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 30px;
}

.social-circle-links a {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid #e2e4ed;
  background: #ffffff;
  color: #555866;
  font-size: 16px;
  transition: all 0.25s ease;
}

.social-circle-links a:hover {
  border-color: #dca32c;
  background: #dca32c;
  color: #ffffff;
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(220, 163, 44, 0.3);
}

.footer-divider-line {
  height: 1px;
  background: #eeeeef;
  width: 100%;
}

/* 3. 4 列主导航网格区 (4-Column Main Grid) */
.footer-main-nav {
  padding: 44px 0 48px;
  background: #ffffff;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(24px, 3vw, 42px);
}

.footer-col-title {
  position: relative;
  margin: 0 0 20px;
  padding-bottom: 10px;
  color: #1a1c22;
  font-size: 15.5px;
  font-weight: 800;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

.footer-col-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 26px;
  height: 2px;
  background: #dca32c;
  border-radius: 1px;
}

.footer-links-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links-list li {
  margin-bottom: 11px;
}

.footer-links-list li a {
  color: #555866;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.5;
  display: inline-block;
  text-decoration: none;
  transition: color 0.2s ease, transform 0.2s ease;
}

.footer-links-list li a:hover {
  color: #dca32c;
  transform: translateX(4px);
}

/* 第 4 列 CONTACT US (带竖线分隔) */
.footer-col-contact {
  position: relative;
  padding-left: clamp(16px, 2.5vw, 36px);
  border-left: 1px solid #efeff4;
}

.footer-contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 18px;
  color: #555866;
  font-size: 13.5px;
  line-height: 1.5;
}

.footer-contact-list .contact-icon {
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(220, 163, 44, 0.1);
  border: 1px solid rgba(220, 163, 44, 0.2);
  color: #dca32c;
  font-size: 14px;
  margin-top: 1px;
}

.footer-contact-list .contact-text {
  flex: 1 1 auto;
}

/* 4. 缁熶竴鏋佺畝绾櫧鐗堟潈鏍?(Copyright Bottom Bar) */
.footer-bottom-bar {
  background: #ffffff;
  color: #7b8092;
  padding: 20px 0;
  font-size: 13px;
  border-top: 1px solid #eeeeef;
}

.bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.copyright-text {
  margin: 0;
  color: #7b8092;
}

.legal-links {
  display: flex;
  align-items: center;
  gap: 14px;
}

.legal-links a {
  color: #7b8092;
  transition: color 0.2s ease;
}

.legal-links a:hover {
  color: #dca32c;
}

.legal-divider {
  color: #cccccc;
}

/* 5. 鎮诞鍥哄畾蹇嵎鎸夐挳 (Floating Action Buttons) */
.floating-actions {
  position: fixed;
  right: 24px;
  bottom: 28px;
  z-index: 99;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.float-btn {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 0;
  outline: none;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.float-btn:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.25);
}

.float-whatsapp {
  background: #25D366;
  color: #ffffff;
  font-size: 26px;
}

.float-totop {
  background: linear-gradient(135deg, #f5cb66, #dca32c);
  color: #ffffff;
  font-size: 18px;
}

/* 鍝嶅簲寮忔柇鐐规帶鍒?*/
@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-col-contact {
    border-left: 0;
    padding-left: 0;
    grid-column: span 2;
  }
}

@media (max-width: 600px) {
  .newsletter-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .newsletter-form {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-col-contact {
    grid-column: span 1;
  }

  .bottom-inner {
    flex-direction: column;
    text-align: center;
  }
}