/* =========================================================
   莫垚 · 布局：容器 / 页头 / 页脚 / 栅格 / 断点
   ========================================================= */

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: clamp(16px, 4vw, 40px);
  padding-right: clamp(16px, 4vw, 40px);
}

/* ---------------- 背景层 ---------------- */
.bg-layer {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  display: none;
}

body.is-home .bg-layer { display: block; }

.bg-slides {
  position: absolute;
  inset: -3% -1% -3% -1%;
  will-change: transform;
}

.bg-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1600ms var(--ease);
}

.bg-slide.is-on { opacity: 1; }

.bg-img {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: blur(1.6px) saturate(.85) brightness(1.04);
  opacity: .20;
  transform: scale(1);
  transform-origin: 55% 45%;
}

.bg-slide.kb-a .bg-img { animation: kbUp 14s linear both; }
.bg-slide.kb-b .bg-img { animation: kbDown 14s linear both; }

@keyframes kbUp {
  from { transform: scale(1.00); }
  to { transform: scale(1.07); }
}

@keyframes kbDown {
  from { transform: scale(1.07); }
  to { transform: scale(1.00); }
}

.bg-wash {
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(251, 245, 236, .78), rgba(251, 245, 236, .92));
}

.bg-blobs {
  position: absolute;
  inset: 0;
  opacity: 1;
  transition: opacity var(--t-slow) var(--ease);
}

.bg-layer:not(.is-empty) .bg-blobs { opacity: 0; }

.bg-blobs svg { width: 100%; height: 100%; }

.bg-petals {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

/* ---------------- 页头 ---------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(251, 245, 236, .58);
  -webkit-backdrop-filter: blur(14px) saturate(1.05);
  backdrop-filter: blur(14px) saturate(1.05);
  border-bottom: 1px solid transparent;
  transition: background var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease);
  padding-top: env(safe-area-inset-top);
}

.site-header.is-compact {
  background: rgba(251, 245, 236, .88);
  border-bottom-color: var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  min-height: var(--header-h);
  transition: min-height var(--t-mid) var(--ease);
}

.site-header.is-compact .header-inner { min-height: 52px; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  color: var(--ink);
  flex: 0 0 auto;
  min-height: 44px;
}

.brand:hover { color: var(--ink); }

.brand-mark {
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  color: var(--rose);
}

.brand-mark svg { width: 26px; height: 26px; }

.brand-name {
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: .08em;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.site-nav::-webkit-scrollbar { display: none; }

.site-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 12px;
  font-size: 14px;
  color: var(--ink-2);
  white-space: nowrap;
  border-radius: var(--r-pill);
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.site-nav a:hover { color: var(--ink); background: rgba(255, 255, 255, .5); }

.site-nav a[aria-current="page"] {
  color: var(--ink);
  background: rgba(255, 255, 255, .72);
  box-shadow: inset 0 0 0 1px var(--line);
}

.site-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 4px;
  width: 4px;
  height: 4px;
  margin-left: -2px;
  border-radius: 50%;
  background: var(--rose);
}

.header-tools {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex: 0 0 auto;
}

/* ---------------- 主区域 ---------------- */
main#view {
  position: relative;
  z-index: 1;
  display: block;
  min-height: calc(100dvh - var(--header-h) - 120px);
  padding-top: clamp(20px, 3.4vw, 40px);
  padding-bottom: clamp(40px, 7vw, 96px);
}

.page { display: block; }

.page-head {
  margin-bottom: var(--sp-7);
  max-width: var(--measure);
}

.page-title {
  font-size: clamp(24px, 3vw, 36px);
  margin-bottom: var(--sp-3);
}

.page-desc {
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.8;
}

.page-foot-line {
  margin-top: var(--sp-8);
  text-align: center;
  font-size: 13px;
  color: var(--ink-3);
  letter-spacing: .04em;
}

/* ---------------- 页脚 ---------------- */
.site-footer {
  position: relative;
  z-index: 1;
  padding: var(--sp-8) 0 calc(var(--sp-7) + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  background: rgba(251, 245, 236, .5);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-3) var(--sp-5);
  justify-content: space-between;
  font-size: 12.5px;
  color: var(--ink-3);
}

.footer-left {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
}

.footer-heart {
  width: 12px;
  height: 12px;
  color: var(--rose);
  opacity: .8;
}

.mode-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, .6);
  box-shadow: inset 0 0 0 1px var(--line);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--ink-2);
}

.mode-tag::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--clay);
}

.mode-tag.is-cloud::before { background: var(--sage); }

/* ---------------- 栅格 ---------------- */
.grid-2,
.grid-3 {
  display: grid;
  gap: var(--sp-5);
}

.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.ph-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--sp-5);
}

.ph-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--sp-5);
  align-items: start;
}

.ph-stack {
  display: grid;
  gap: var(--sp-5);
}

/* ---------------- 断点 ---------------- */
@media (max-width: 1024px) {
  .ph-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 880px) {
  .ph-row { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 640px) {
  .header-inner { gap: var(--sp-2); }
  .brand-name { font-size: 15px; }
  .site-nav { gap: 0; }
  .site-nav a { padding: 0 8px; font-size: 13px; min-height: 38px; }
  .ph-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-2, .grid-3 { grid-template-columns: minmax(0, 1fr); }
  .footer-inner { justify-content: flex-start; }
}

@media (max-width: 430px) {
  .id-btn { width: 40px; padding: 0; justify-content: center; }
  .id-btn #idLabel { display: none; }
  .brand-name { font-size: 14px; letter-spacing: .04em; }
  .site-nav a { font-size: 12.5px; padding: 0 7px; }
}

.site-nav.is-scrollable {
  -webkit-mask-image: linear-gradient(90deg, #000 0, #000 calc(100% - 26px), transparent 100%);
  mask-image: linear-gradient(90deg, #000 0, #000 calc(100% - 26px), transparent 100%);
}

@media (max-width: 380px) {
  .site-nav a { padding: 0 6px; font-size: 12.5px; }
}