/* =========================================================
   万象城ALLWINCITY 全站共享样式
   Domain: shopping-allwincity.com.cn
   ========================================================= */

/* ---------- 1. CSS 变量 ---------- */
:root {
  --color-primary-deep: #0A2A4A;
  --color-primary: #1565C0;
  --color-snow: #F5F7FA;
  --color-gold: #FFC107;
  --color-emerald: #00BFA5;
  --color-ink: #1A1A2E;
  --color-gray: #5D6D7E;
  --color-pale-blue: #E3F2FD;

  --font-heading: "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "Roboto Mono", "Fira Mono", "Menlo", "Consolas", monospace;

  --header-h: 74px;
  --content-max: 1280px;
  --gutter: 32px;

  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
}

/* ---------- 2. Reset 与基础排版 ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-ink);
  background: var(--color-snow);
  padding-top: var(--header-h);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

#main-content {
  flex: 1 0 auto;
  width: 100%;
}

ul,
ol {
  list-style: none;
}

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

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

button {
  font-family: inherit;
  font-size: inherit;
  border: 0;
  background: none;
  cursor: pointer;
  color: inherit;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
}

:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
}

/* ---------- 3. 容器与分区 ---------- */
.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.section {
  padding: 80px 0;
}

.section--alt {
  background: var(--color-pale-blue);
}

.section--tight {
  padding: 48px 0;
}

/* ---------- 4. 头部 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 72px;
  background: linear-gradient(180deg, var(--color-primary-deep) 0%, #0d2d51 100%);
  border-bottom: 1px solid rgba(255, 193, 7, 0.22);
  box-shadow: 0 4px 20px rgba(10, 42, 74, 0.18);
}

.site-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold) 0%, var(--color-emerald) 35%, rgba(0, 191, 165, 0.25) 70%, transparent 100%);
  z-index: 1;
}

.site-header__inner {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 2px;
}

/* ---------- 5. 跳过链接 ---------- */
.skip-link {
  position: absolute;
  top: -64px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1200;
  background: var(--color-gold);
  color: var(--color-ink);
  font-weight: 700;
  font-size: 14px;
  padding: 8px 20px;
  transition: top 0.15s ease;
}

.skip-link:focus-visible {
  top: 8px;
  outline: none;
  box-shadow: 0 4px 16px rgba(10, 42, 74, 0.3);
}

/* ---------- 6. 品牌标识 ---------- */
.site-header__brand {
  flex-shrink: 0;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.site-brand__mark {
  position: relative;
  display: block;
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.site-brand__peak {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.site-brand__peak--back {
  background: var(--color-gold);
  clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
}

.site-brand__peak--front {
  background: var(--color-snow);
  clip-path: polygon(50% 28%, 100% 100%, 0% 100%);
}

.site-brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.site-brand__name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 16px;
  color: var(--color-snow);
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.site-brand__meta {
  font-family: var(--font-mono);
  font-size: 10px;
  color: rgba(245, 247, 250, 0.58);
  letter-spacing: 0.12em;
  white-space: nowrap;
}

/* ---------- 7. 主导航 ---------- */
.site-nav__list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav__item {
  position: relative;
}

.site-nav__link {
  display: block;
  padding: 10px 10px 8px;
  font-size: 14px;
  font-weight: 400;
  color: rgba(245, 247, 250, 0.78);
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
  color: var(--color-snow);
  border-bottom-color: var(--color-gold);
}

.site-nav__link[aria-current="page"] {
  color: var(--color-snow);
  border-bottom-color: var(--color-emerald);
  font-weight: 500;
}

/* ---------- 8. 头部操作区 ---------- */
.site-header__actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.version-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--color-snow);
  background: rgba(21, 101, 192, 0.2);
  border: 1px solid rgba(245, 247, 250, 0.14);
  border-left: 3px solid var(--color-emerald);
  padding: 4px 12px;
  line-height: 1.4;
  white-space: nowrap;
}

.version-badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-emerald);
  flex-shrink: 0;
  box-shadow: 0 0 6px rgba(0, 191, 165, 0.5);
}

.version-badge__text {
  letter-spacing: 0.02em;
}

/* ---------- 9. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  border: 1px solid transparent;
  border-radius: 0;
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn--gold {
  background: var(--color-gold);
  color: var(--color-ink);
}

.btn--gold:hover,
.btn--gold:focus-visible {
  background: #ffca28;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(255, 193, 7, 0.35);
}

.btn--outline {
  background: transparent;
  border-color: rgba(245, 247, 250, 0.4);
  color: var(--color-snow);
}

.btn--outline:hover,
.btn--outline:focus-visible {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.btn--small {
  padding: 6px 14px;
  font-size: 13px;
}

.btn--cta {
  white-space: nowrap;
}

/* ---------- 10. 移动导航按钮 ---------- */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 36px;
  height: 36px;
  padding: 7px;
  border: 1px solid rgba(245, 247, 250, 0.35);
  border-radius: 0;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
  flex-shrink: 0;
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  border-color: var(--color-gold);
}

.nav-toggle__bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-snow);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ---------- 11. 滚动进度条 ---------- */
.scroll-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-emerald), var(--color-gold));
  transform: scaleX(0);
  transform-origin: left center;
  z-index: 1;
}

/* ---------- 12. 页脚 ---------- */
.site-footer {
  position: relative;
  flex-shrink: 0;
  background: var(--color-primary-deep);
  color: rgba(245, 247, 250, 0.78);
  padding: 64px 0 0;
  margin-top: 0;
}

/* 山脉剪影 */
.site-footer::before {
  content: "";
  position: absolute;
  top: -34px;
  left: 0;
  right: 0;
  height: 34px;
  background: var(--color-primary-deep);
  clip-path: polygon(0% 100%, 6% 58%, 14% 100%, 26% 44%, 38% 100%, 52% 54%, 64% 100%, 76% 38%, 88% 100%, 100% 52%, 100% 100%);
  z-index: 0;
}

/* 金色地平线 */
.site-footer::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold) 0%, rgba(255, 193, 7, 0.45) 30%, rgba(255, 193, 7, 0.08) 70%, transparent 100%);
  z-index: 1;
}

.site-footer__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.2fr 1.2fr 0.8fr;
  gap: 48px;
  padding-bottom: 48px;
}

.site-footer__slogan {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-snow);
  line-height: 1.4;
  margin-bottom: 12px;
}

.site-footer__trust {
  font-size: 14px;
  color: rgba(245, 247, 250, 0.55);
  max-width: 360px;
  line-height: 1.6;
}

.site-footer__heading {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-snow);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 193, 7, 0.3);
}

.site-footer__list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.site-footer__item {
  display: flex;
  gap: 12px;
  font-size: 14px;
  line-height: 1.6;
  padding: 4px 0;
}

.site-footer__label {
  flex-shrink: 0;
  min-width: 64px;
  color: rgba(245, 247, 250, 0.5);
  font-size: 13px;
}

.site-footer__value {
  color: rgba(245, 247, 250, 0.85);
}

.site-footer__link {
  display: inline-block;
  color: rgba(245, 247, 250, 0.78);
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.site-footer__link:hover,
.site-footer__link:focus-visible {
  color: var(--color-gold);
  border-bottom-color: var(--color-gold);
}

.site-footer__link[aria-current="page"] {
  color: var(--color-gold);
  border-bottom-color: var(--color-emerald);
}

.site-footer__bottom {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(245, 247, 250, 0.1);
  padding: 16px 0;
}

.site-footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.site-footer__copyright,
.site-footer__icp {
  font-size: 13px;
  color: rgba(245, 247, 250, 0.5);
  font-family: var(--font-mono);
}

/* ---------- 13. 页面首屏骨架 ---------- */
.page-hero {
  padding: 72px 0 56px;
  background: linear-gradient(180deg, var(--color-primary-deep) 0%, rgba(10, 42, 74, 0.92) 100%);
  color: var(--color-snow);
}

.page-hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-gold);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.page-hero__title {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-snow);
}

.page-hero__desc {
  margin-top: 16px;
  font-size: 16px;
  color: rgba(245, 247, 250, 0.7);
  max-width: 640px;
}

/* ---------- 14. 面包屑 ---------- */
.breadcrumbs {
  padding: 16px 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-gray);
}

.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: 8px;
  color: rgba(93, 109, 126, 0.5);
}

.breadcrumbs__link {
  color: var(--color-primary);
  transition: color var(--transition-fast);
}

.breadcrumbs__link:hover,
.breadcrumbs__link:focus-visible {
  color: var(--color-emerald);
}

.breadcrumbs__item[aria-current="page"] {
  color: var(--color-gray);
}

/* ---------- 15. 栅格 ---------- */
.grid {
  display: grid;
  gap: 32px;
}

.grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

/* ---------- 16. 媒体框架 ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  background: var(--color-pale-blue);
  border: 1px solid rgba(10, 42, 74, 0.08);
  aspect-ratio: 16 / 9;
}

.media-frame::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, transparent 62%, rgba(10, 42, 74, 0.12));
  pointer-events: none;
}

.media-frame > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame--portrait {
  aspect-ratio: 3 / 4;
}

.media-frame--wide {
  aspect-ratio: 21 / 9;
}

.media-frame--square {
  aspect-ratio: 1 / 1;
}

/* ---------- 17. 状态标签 ---------- */
.status-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--color-gray);
  padding: 4px 0;
}

.status-label::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-emerald);
  box-shadow: 0 0 6px rgba(0, 191, 165, 0.4);
}

/* ---------- 18. 文字工具类 ---------- */
.mono {
  font-family: var(--font-mono);
}

.text-gold {
  color: var(--color-gold);
}

.text-emerald {
  color: var(--color-emerald);
}

.text-gray {
  color: var(--color-gray);
}

.text-primary {
  color: var(--color-primary);
}

.text-large {
  font-size: 20px;
}

.text-small {
  font-size: 14px;
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-ink);
}

.section-subtitle {
  font-size: 16px;
  color: var(--color-gray);
  margin-top: 8px;
}

/* ---------- 19. 响应式 ---------- */
@media (max-width: 1280px) {
  .version-badge {
    display: none;
  }
}

@media (max-width: 1024px) {
  .site-header__inner {
    gap: 16px;
  }

  .site-brand__name {
    font-size: 15px;
  }
}

@media (max-width: 991px) {
  :root {
    --gutter: 24px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 999;
    background: linear-gradient(180deg, var(--color-primary-deep) 0%, #0d2d51 100%);
    border-bottom: 2px solid var(--color-gold);
    transform: translateY(-100%);
    visibility: hidden;
    transition: transform var(--transition-base), visibility var(--transition-base);
  }

  .site-nav[data-open] {
    transform: translateY(0);
    visibility: visible;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px var(--gutter) 20px;
  }

  .site-nav__item {
    width: 100%;
  }

  .site-nav__link {
    padding: 14px 0;
    font-size: 16px;
    border-bottom: 1px solid rgba(245, 247, 250, 0.1);
    border-bottom-width: 1px;
  }

  .site-nav__link[aria-current="page"] {
    border-bottom-color: var(--color-emerald);
  }

  .site-footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .site-footer__col--links {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  :root {
    --gutter: 20px;
  }

  .section {
    padding: 56px 0;
  }

  .page-hero {
    padding: 48px 0 40px;
  }

  .page-hero__title {
    font-size: 28px;
  }

  .site-brand__meta {
    display: none;
  }

  .site-header__actions {
    gap: 10px;
  }

  .btn--cta {
    padding: 6px 10px;
    font-size: 12px;
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .site-footer__col--links {
    grid-column: auto;
  }

  .site-footer__bottom-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .site-brand__name {
    font-size: 14px;
  }
}

/* ---------- 20. 减少动画适配 ---------- */
@media (prefers-reduced-motion: reduce) {
  .site-nav {
    transition: none;
  }

  .nav-toggle__bar {
    transition: none;
  }
}