/* ============================================================
   HOXIA DESIGN · 红象设计官网 设计系统 v5
   基准：Apple.com —— 纯白叙事 / 负字距大标题 / 浮出式卡片 /
   细腻阴影 / 克制红点缀 / 白灰黑三段节奏
   机制保留：中英双语 · 明暗主题 · 帘幕揭示 · 视差
   ============================================================ */

:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; }
.skip-link { position: absolute; left: -9999px; top: 0; z-index: 2000; background: var(--red); color: #fff; padding: 10px 18px; border-radius: 0 0 8px 0; font-size: 14px; }
.skip-link:focus { left: 0; }
:root {
  --red: #e60012;
  --red-deep: #c20010;
  --red-soft: #ff453a;

  /* 亮 */
  --bg: #ffffff;
  --bg-alt: #f5f5f7;
  --text: #1d1d1f;
  --text-2: #6e6e73;
  --text-3: #86868b;
  --gray: #6e6e73;
  --line: #d2d2d7;
  --line-soft: rgba(0, 0, 0, 0.06);
  --card: #f5f5f7;
  --card-hover: #ebebef;
  --tile: #f5f5f7;
  --nav-bg: rgba(255, 255, 255, 0.8);
  --nav-line: rgba(0, 0, 0, 0.08);
  --field: #f5f5f7;
  --tag-bg: rgba(0, 0, 0, 0.05);
  --shadow-hover: 0 20px 48px rgba(0, 0, 0, 0.1);
  --shadow-soft: 0 4px 22px rgba(0, 0, 0, 0.06);
  --ph-1: #f5f5f7;
  --ph-2: #ebebef;
  --ph-3: #e2e2e7;
  --ph-text: rgba(0, 0, 0, 0.12);
  --img-filter: none;
  --radius-tile: 28px;
  --radius-img: 18px;

  /* 深色叙事区（Apple 式纯黑） */
  --dark-section: #000000;
  --dark-text: #f5f5f7;
  --dark-text-2: #a1a1a6;
  --dark-card: #161617;
  --dark-line: rgba(255, 255, 255, 0.14);
  --dark-border: transparent;

  --nav-h: 48px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --maxw: 1200px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro SC", "PingFang SC",
    "Helvetica Neue", "Microsoft YaHei", sans-serif;
}

html[data-theme="dark"] {
  --bg: #000000;
  --bg-alt: #161617;
  --text: #f5f5f7;
  --text-2: #a1a1a6;
  --text-3: #86868b;
  --gray: #a1a1a6;
  --line: #333336;
  --line-soft: rgba(255, 255, 255, 0.1);
  --card: #161617;
  --card-hover: #1d1d1f;
  --tile: #161617;
  --nav-bg: rgba(0, 0, 0, 0.75);
  --nav-line: rgba(255, 255, 255, 0.12);
  --field: #1d1d1f;
  --tag-bg: rgba(255, 255, 255, 0.1);
  --shadow-hover: 0 20px 48px rgba(0, 0, 0, 0.55);
  --shadow-soft: 0 4px 22px rgba(0, 0, 0, 0.4);
  --ph-1: #1a1a1c;
  --ph-2: #141416;
  --ph-3: #0f0f10;
  --ph-text: rgba(255, 255, 255, 0.12);
  --img-filter: brightness(0.92);

  --dark-section: #000000;
  --dark-text: #f5f5f7;
  --dark-text-2: #a1a1a6;
  --dark-card: #1c1c1f;
  --dark-line: rgba(255, 255, 255, 0.14);
  --dark-border: rgba(255, 255, 255, 0.08);
}

/* ---------- 基础 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: clip; -webkit-tap-highlight-color: transparent; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.58;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background 0.4s ease, color 0.4s ease;
  overflow-x: hidden;
}
body.page-in { animation: pageIn 0.6s var(--ease) both; }
@keyframes pageIn { from { opacity: 0; } to { opacity: 1; } }
body.page-leaving { opacity: 0; transition: opacity 0.18s ease; }

img { display: block; max-width: 100%; filter: var(--img-filter); }
.hero-media { filter: none; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
::selection { background: rgba(230, 0, 18, 0.18); }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--line); border-radius: 5px; }

/* ---------- 版式（负字距） ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: 860px; margin: 0 auto; padding: 0 24px; }
section { position: relative; }
.section { padding: clamp(100px, 13vw, 180px) 0; }
.section-tight { padding: clamp(72px, 9vw, 128px) 0; }
.bg-alt { background: var(--bg-alt); }

.bg-dark {
  background: var(--dark-section);
  color: var(--dark-text);
  border-top: 1px solid var(--dark-border);
  border-bottom: 1px solid var(--dark-border);
}
.bg-dark .section-title, .bg-dark .eyebrow { color: var(--dark-text); }
.bg-dark .muted { color: var(--dark-text-2); }

.eyebrow {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red);
  font-weight: 600;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(32px, 4.6vw, 56px);
  font-weight: 700;
  letter-spacing: -0.021em;
  line-height: 1.09;
}
.section-sub {
  font-size: clamp(17px, 2vw, 21px);
  color: var(--text-2);
  margin-top: 16px;
  max-width: 660px;
  font-weight: 400;
  letter-spacing: -0.004em;
}
.bg-dark .section-sub { color: var(--dark-text-2); }
.muted { color: var(--text-2); }
.center { text-align: center; }
.center .section-sub { margin-left: auto; margin-right: auto; }
.en-cap {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
  font-weight: 600;
}
.bg-dark .en-cap { color: var(--dark-text-2); }

.link-more {
  color: var(--red);
  font-weight: 400;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 17px;
  transition: gap 0.3s var(--ease);
}
.link-more::after { content: "›"; font-size: 20px; line-height: 1; }
.link-more:hover { gap: 8px; text-decoration: underline; text-underline-offset: 4px; }

/* 标题断行揭示 */
.lm { display: block; overflow: hidden; }
.li { display: block; transform: translateY(110%); transition: transform 1.05s var(--ease); }
.in .li, .li.in { transform: none; }
.lm:nth-child(2) .li { transition-delay: 0.09s; }

/* ---------- 导航 ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  background: var(--nav-bg);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease;
}
.nav.scrolled { border-bottom-color: var(--nav-line); }
.nav-inner {
  max-width: 1024px;
  margin: 0 auto;
  height: 100%;
  padding: 0 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.nav-brand { display: flex; align-items: center; gap: 9px; flex-shrink: 0; }
.nav-brand img { width: 40px; height: 40px; border-radius: 10px; object-fit: cover; }
.nav-brand b { font-size: 14px; font-weight: 600; letter-spacing: -0.01em; color: var(--text); }
.nav-brand span {
  font-size: 10.5px; color: var(--text-3); letter-spacing: 0.1em;
  border-left: 1px solid var(--line); padding-left: 9px;
  text-transform: uppercase; font-weight: 500;
}
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a {
  font-size: 12px;
  color: rgba(29, 29, 31, 0.78);
  font-weight: 400;
  letter-spacing: -0.01em;
  transition: color 0.25s ease;
  padding: 3px 0;
  white-space: nowrap;
}
html[data-theme="dark"] .nav-links a { color: rgba(245, 245, 247, 0.78); }
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--red); }
.nav-links a.nav-cta {
  font-size: 13px;
  background: var(--red);
  color: #fff !important;
  padding: 9px 30px;
  flex-shrink: 0;
  white-space: nowrap;
  border-radius: 999px;
  transition: background 0.25s ease, transform 0.25s var(--ease);
}
.nav-links a.nav-cta:hover { background: var(--red-deep); transform: scale(1.03); }


/* 语言 / 主题 */
.nav-tools { display: flex; align-items: center; gap: 6px; margin-left: 2px; flex-shrink: 0; }
.tool-btn {
  height: 28px;
  min-width: 28px;
  padding: 0 8px;
  border-radius: 999px;
  border: 0;
  background: var(--tag-bg);
  color: var(--text-2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  transition: background 0.25s ease, color 0.25s ease;
}
.tool-btn:hover { background: var(--text); color: var(--bg); }
.tool-btn svg { width: 14px; height: 14px; display: block; }
/* 三态主题按钮：auto/light/dark 图标切换 */
.tool-btn .icon-auto { display: none; }
html[data-theme-mode="auto"] .tool-btn .icon-auto { display: block; }
html[data-theme-mode="auto"] .tool-btn .icon-sun,
html[data-theme-mode="auto"] .tool-btn .icon-moon { display: none; }
html[data-theme-mode="light"] .tool-btn .icon-auto,
html[data-theme-mode="dark"] .tool-btn .icon-auto { display: none; }
.tool-btn .icon-sun { display: none; }
html[data-theme="dark"] .tool-btn .icon-sun { display: block; }
html[data-theme="dark"] .tool-btn .icon-moon { display: none; }

.nav-burger {
  display: none;
  width: 36px; height: 36px;
  flex-shrink: 0;
  border: 0; background: none; cursor: pointer;
  position: relative; z-index: 1102;
}
.nav-burger span, .nav-burger span::before, .nav-burger span::after {
  content: "";
  position: absolute; left: 9px; width: 18px; height: 1.5px;
  background: var(--text);
  transition: transform 0.32s var(--ease), top 0.32s var(--ease), background 0.3s ease;
}
.nav-burger span { top: 17px; }
.nav-burger span::before { top: -5.5px; left: 0; }
.nav-burger span::after { top: 5.5px; left: 0; }
.nav.open { background: rgba(0, 0, 0, 0.94); }
.nav.open .nav-burger span { background: transparent; }
.nav.open .nav-burger span::before { top: 0; transform: rotate(45deg); background: #f5f5f7; }
.nav.open .nav-burger span::after { top: 0; transform: rotate(-45deg); background: #f5f5f7; }
.nav.open .nav-brand b, .nav.open .nav-brand span { color: #f5f5f7; }
.nav.open .nav-brand span { border-left-color: rgba(245,245,247,.25); }
.nav.open .tool-btn { background: rgba(245,245,247,.14); color: #f5f5f7; }

.mobile-menu {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.97);
  z-index: 999;
  padding: 96px 40px 40px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.32s ease;
}
.mobile-menu.open { opacity: 1; pointer-events: auto; }
.mobile-menu a.active { color: var(--red); }
.mobile-menu a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  color: #f5f5f7;
  font-size: 25px;
  font-weight: 600;
  letter-spacing: -0.02em;
  padding: 13px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  transform: translateY(14px);
  opacity: 0;
  transition: transform 0.5s var(--ease), opacity 0.5s ease;
}
.mobile-menu a i {
  font-style: normal;
  font-size: 11px;
  color: rgba(245, 245, 247, 0.38);
  letter-spacing: 0.14em;
}
.mobile-menu.open a { transform: none; opacity: 1; }
.mobile-menu a:nth-child(1) { transition-delay: 0.05s; }
.mobile-menu a:nth-child(2) { transition-delay: 0.09s; }
.mobile-menu a:nth-child(3) { transition-delay: 0.13s; }
.mobile-menu a:nth-child(4) { transition-delay: 0.17s; }
.mobile-menu a:nth-child(5) { transition-delay: 0.21s; }
.mobile-menu a:nth-child(6) { transition-delay: 0.25s; }
.mobile-menu a:nth-child(7) { transition-delay: 0.29s; }
body.menu-lock { overflow: hidden; }

main { padding-top: var(--nav-h); }

/* ---------- Hero（居中） ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: #fff;
  isolation: isolate;
}
.hero-media {
  position: absolute;
  inset: -10%;
  z-index: -2;
  background-size: cover;
  background-position: center 26%;
  animation: heroZoom 1.9s var(--ease) both;
  will-change: transform;
}
@keyframes heroZoom { from { transform: scale(1.09); } to { transform: scale(1); } }
.hero::after {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.34) 0%, rgba(0, 0, 0, 0) 32%),
    linear-gradient(180deg, rgba(0, 0, 0, 0) 40%, rgba(0, 0, 0, 0.74) 100%);
}
.hero-content { width: 100%; padding-bottom: clamp(72px, 10vw, 128px); text-align: center; }
.hero-eyebrow {
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.8;
  margin-bottom: 18px;
  font-weight: 500;
}
.hero h1 {
  font-size: clamp(44px, 6.8vw, 84px);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.022em;
  max-width: 15em;
  margin: 0 auto;
}
.hero h1 em { font-style: normal; color: var(--red-soft); }
.hero p {
  margin: 22px auto 0;
  font-size: clamp(17px, 2.1vw, 22px);
  opacity: 0.88;
  max-width: 34em;
  font-weight: 400;
  letter-spacing: -0.004em;
}
.hero-actions { margin-top: 34px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-sub { min-height: 66vh; }
.hero-sub .hero-content { padding-top: 0; padding-bottom: clamp(72px, 9vw, 112px); }
.hero-sub h1 { font-size: clamp(40px, 6vw, 72px); }
.hero-sub::after {
  background: linear-gradient(180deg, rgba(0,0,0,0.46) 0%, rgba(0,0,0,0.2) 50%, rgba(0,0,0,0.62) 100%);
}
.hero-sub .hero-eyebrow { margin-bottom: 14px; }

/* ---------- 按钮（pill） ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 400;
  padding: 11px 26px;
  border-radius: 999px;
  border: 0;
  cursor: pointer;
  font-family: var(--font);
  transition: background 0.28s ease, transform 0.28s var(--ease), color 0.28s ease, box-shadow 0.28s ease;
}
.btn-primary { background: var(--red); color: #fff; }
.btn-primary:hover { background: var(--red-deep); transform: scale(1.02); }
.btn-ghost-light {
  background: transparent;
  color: #fff;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.55);
}
.btn-ghost-light:hover { box-shadow: inset 0 0 0 1px #fff; background: rgba(255,255,255,0.06); }
.btn-ghost-dark { background: transparent; color: var(--red); }
.btn-ghost-dark:hover { text-decoration: underline; text-underline-offset: 4px; }
.btn:active { transform: scale(0.97); }
.chip:active { transform: scale(0.96); }
.tile, .trust-card, .news-card, .svc-card { -webkit-tap-highlight-color: transparent; }
.btn-sm { font-size: 13.5px; padding: 9px 20px; }

/* ---------- 数字带 ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(28px, 4vw, 56px);
  padding: clamp(72px, 9vw, 128px) 0;
  text-align: center;
}
.stat-num {
  font-size: clamp(44px, 4.8vw, 68px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.05;
  color: var(--text);
  font-variant-numeric: lining-nums;
}
.stat-num .plus { color: var(--red); font-weight: 600; }
.stat-label { margin-top: 10px; color: var(--text-2); font-size: 14px; }

/* ---------- 品牌行 ---------- */
.brands {
  border-top: 1px solid var(--line-soft);
  padding: clamp(36px, 5vw, 56px) 0;
  text-align: center;
}
.brands-cap {
  font-size: 12px;
  color: var(--text-3);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 18px;
}
.brands-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 34px;
  max-width: 900px;
  margin: 0 auto;
}
.brands-row span {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-3);
  letter-spacing: -0.01em;
  transition: color 0.3s ease;
}
.brands-row span:hover { color: var(--text); }

/* ---------- 案例网格（浮出式 tile） ---------- */
.work-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: clamp(44px, 5vw, 72px);
}
.tile {
  display: block;
  background: var(--tile);
  border-radius: var(--radius-tile);
  overflow: hidden;
  transition: transform 0.5s var(--ease);
}
.tile.wide { grid-column: span 2; }
.tile:hover .tile-name { color: var(--red); }
.tile-head {
  text-align: center;
  padding: clamp(32px, 4vw, 52px) clamp(24px, 3vw, 44px) 0;
}
.tile-name {
  font-size: clamp(22px, 2.6vw, 32px);
  font-weight: 700;
  letter-spacing: -0.018em;
  line-height: 1.15;
  color: var(--text);
}
.tile-sub {
  margin-top: 8px;
  font-size: 13.5px;
  color: var(--text-2);
  font-weight: 400;
}
.tile-media {
  aspect-ratio: 16 / 10.4;
  overflow: hidden;
  margin-top: clamp(24px, 3vw, 40px);
  position: relative;
}
.tile.wide .tile-media { aspect-ratio: 21 / 10.4; }
.tile-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.1s var(--ease);
}
.tile:hover .tile-media img { transform: scale(1.04); }
.tile-name { transition: color 0.3s ease; }

/* 筛选 */
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 40px; justify-content: center; }
.chip {
  border: 0;
  background: var(--tag-bg);
  color: var(--text-2);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -0.004em;
  padding: 9px 20px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.28s var(--ease);
  font-family: var(--font);
}
.chip:hover { background: var(--card-hover); color: var(--text); }
.chip.active { background: var(--text); color: var(--bg); }
.bg-alt .chip { background: #fff; }
.bg-alt .chip:hover { background: var(--nav-bg); }
.bg-alt .chip.active { background: var(--text); color: var(--bg); }

/* ---------- 服务 ---------- */
.svc-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: clamp(44px, 5vw, 72px);
}
.svc-card {
  background: var(--tile);
  border-radius: var(--radius-tile);
  padding: clamp(36px, 4.4vw, 60px) clamp(28px, 3.6vw, 52px);
  text-align: center;
  transition: background 0.4s ease, transform 0.5s var(--ease);
}
.svc-card:hover { background: var(--card-hover); transform: translateY(-4px); }
.bg-dark .svc-card { background: var(--dark-card); border: 1px solid var(--dark-line); }
.bg-dark .svc-card:hover { background: var(--dark-card-hover, #1d1d1f); }
.svc-idx {
  font-size: 12px;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.1em;
}
.svc-card h3 {
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 700;
  letter-spacing: -0.018em;
  margin-top: 12px;
}
.svc-en {
  font-size: 12.5px;
  color: var(--text-3);
  margin-top: 6px;
  font-weight: 400;
}
.bg-dark .svc-en { color: var(--dark-text-2); }
.svc-card p { margin-top: 14px; color: var(--text-2); font-size: 15px; line-height: 1.65; }
.bg-dark .svc-card p { color: var(--dark-text-2); }
.svc-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 18px; margin-top: 20px; }
.svc-tags i {
  font-style: normal;
  font-size: 12.5px;
  color: var(--text-3);
  font-weight: 500;
}
.bg-dark .svc-tags i { color: var(--dark-text-2); }

/* ---------- 流程 ---------- */
.flow {
  margin-top: clamp(44px, 5vw, 72px);
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(24px, 3vw, 40px);
}
.flow-step { position: relative; }
.flow-step .fno {
  font-size: 13px;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.06em;
  display: block;
}
.flow-step h4 {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.014em;
  margin-top: 14px;
}
.flow-step .en {
  font-size: 12px; color: var(--text-3);
  letter-spacing: 0.02em; margin-top: 4px; font-weight: 400;
}
.flow-step p { margin-top: 12px; font-size: 14px; color: var(--text-2); line-height: 1.62; }

/* ---------- 哲学区 ---------- */
.philosophy { text-align: center; }
.philosophy .phil-words {
  font-size: clamp(34px, 5.4vw, 68px);
  font-weight: 700;
  letter-spacing: -0.022em;
  color: var(--dark-text);
  line-height: 1.12;
}
.philosophy .phil-words i { font-style: normal; color: var(--red); padding: 0 0.22em; font-weight: 700; }
html[data-theme="dark"] .philosophy .phil-words i { color: var(--red-soft); }
.philosophy blockquote {
  margin: clamp(36px, 4.6vw, 60px) auto 0;
  max-width: 640px;
  font-size: clamp(18px, 2.2vw, 24px);
  line-height: 1.7;
  color: var(--dark-text-2);
  font-weight: 500;
  letter-spacing: -0.008em;
}

/* ---------- 图片拼贴 ---------- */
.mosaic {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(14px, 1.8vw, 24px);
  margin-top: clamp(44px, 5vw, 72px);
}
.mosaic figure { position: relative; }
.mosaic figure img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: var(--radius-img);
  transition: transform 1.2s var(--ease), box-shadow 0.6s ease;
}
.mosaic figure:hover img { transform: scale(1.025); box-shadow: var(--shadow-soft); }
.m-7 { grid-column: span 7; aspect-ratio: 7 / 4.8; }
.m-5 { grid-column: span 5; aspect-ratio: 5 / 4.6; }
.m-4 { grid-column: span 4; aspect-ratio: 4 / 4.6; }
.m-8 { grid-column: span 8; aspect-ratio: 8 / 4.6; }
.mosaic figcaption {
  margin-top: 12px;
  color: var(--text-3);
  font-size: 13px;
  text-align: left;
}

/* ---------- 帘幕揭示 ---------- */
.rimg {
  clip-path: inset(4% 3% 4% 3%);
  transition: clip-path 1.15s var(--ease);
}
.rimg img { transform: scale(1.07); transition: transform 1.5s var(--ease); }
.rimg.in { clip-path: inset(0 0 0 0); }
.rimg.in img { transform: scale(1); }

/* ---------- 新闻 ---------- */
.nfeat {
  display: block;
  background: var(--tile);
  border-radius: var(--radius-tile);
  overflow: hidden;
  margin-top: clamp(44px, 5vw, 72px);
}
.nfeat-media { aspect-ratio: 21 / 9.5; overflow: hidden; background: var(--bg-alt); }
.nfeat-media img { width: 100%; height: 100%; object-fit: cover; }
.nfeat-body { text-align: center; padding: clamp(32px, 4vw, 52px) clamp(24px, 4vw, 64px) clamp(36px, 4vw, 56px); }
.nfeat-date, .nl-date {
  font-size: 13px;
  color: var(--text-3);
  font-variant-numeric: tabular-nums;
}
.nfeat-title {
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.18;
  margin-top: 12px;
  max-width: 720px;
  margin-left: auto; margin-right: auto;
}
.nfeat-body > p { margin: 14px auto 0; color: var(--text-2); font-size: 16px; line-height: 1.65; max-width: 620px; }
.nfeat-strip { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 30px; }
.nfeat-strip figure { aspect-ratio: 4 / 3; overflow: hidden; border-radius: var(--radius-img); }
.nfeat-strip img { width: 100%; height: 100%; object-fit: cover; }
.nfeat-cap { font-size: 13px; color: var(--text-3); margin-top: 12px; display: block; }

.news-list { margin-top: clamp(44px, 5vw, 72px); }
.nl-row {
  display: grid;
  grid-template-columns: 130px 1fr auto;
  gap: clamp(18px, 3vw, 40px);
  align-items: start;
  padding: 28px 0;
  border-top: 1px solid var(--line-soft);
  transition: padding-left 0.4s var(--ease);
}
.nl-row:last-child { border-bottom: 1px solid var(--line-soft); }
.nl-row:hover { padding-left: 10px; }
.nl-row:hover .nl-arr { color: var(--red); transform: translateX(4px); }
.nl-main h3 {
  font-size: clamp(18px, 2vw, 23px);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.35;
}
.nl-main p { margin-top: 8px; color: var(--text-2); font-size: 14.5px; line-height: 1.6; }
.nl-arr {
  font-size: 20px;
  color: var(--text-3);
  transition: transform 0.4s var(--ease), color 0.3s ease;
  align-self: center;
}

/* ---------- 占位 ---------- */
.ph {
  width: 100%; height: 100%;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(120% 120% at 12% 8%, var(--ph-1) 0%, var(--ph-2) 52%, var(--ph-3) 100%);
  position: relative;
  overflow: hidden;
}
.ph::before {
  content: "HOXIA";
  font-weight: 700;
  letter-spacing: 0.36em;
  font-size: clamp(16px, 2.2vw, 22px);
  color: var(--ph-text);
}

/* ---------- CTA ---------- */
.cta-band { position: relative; text-align: center; overflow: hidden; isolation: isolate; }
.cta-band h2 {
  font-size: clamp(38px, 5.6vw, 72px);
  font-weight: 700;
  letter-spacing: -0.022em;
  line-height: 1.08;
}
.cta-band p { margin: 20px auto 0; max-width: 520px; color: var(--dark-text-2); font-size: clamp(16px, 2vw, 20px); }
.light-cta p { color: var(--text-2); }
.cta-band .hero-actions { justify-content: center; }

/* ---------- 页脚 ---------- */
.footer {
  background: var(--bg-alt);
  padding: clamp(52px, 7vw, 84px) 0 40px;
  font-size: 12.5px;
  color: var(--text-2);
}
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.5fr; gap: clamp(28px, 4vw, 56px); }
.footer-brand img { width: 64px; height: 64px; border-radius: 16px; }
.footer-brand .fb-name { font-size: 15px; font-weight: 700; color: var(--text); margin-top: 16px; letter-spacing: -0.01em; }
.footer-brand .fb-en { font-size: 10.5px; letter-spacing: 0.08em; color: var(--text-3); margin-top: 3px; }
.footer h5 {
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 14px;
  letter-spacing: -0.004em;
}
.footer li { margin-bottom: 9px; }
.footer a:hover { color: var(--text); text-decoration: underline; }
.footer-contact li { display: flex; gap: 8px; align-items: flex-start; }
.footer-contact .fk { color: var(--text-3); flex-shrink: 0; min-width: 30px; }
.footer-qr { display: flex; gap: 14px; margin-top: 8px; align-items: flex-end; }
.footer-qr figure { text-align: center; }
.footer-qr img {
  width: 74px; height: auto;
  border-radius: 12px;
  background: #fff;
  padding: 5px;
  border: 1px solid var(--line-soft);
}
html[data-theme="dark"] .footer-qr img { background: #fff; }
.footer-qr img, .qr-row img { filter: none; }
.footer-qr figure { text-align: center; }
.footer-qr figcaption { text-align: center; display: block; width: 100%; font-size: 11px; margin-top: 6px; color: var(--text-3); }
.footer-bottom {
  margin-top: clamp(40px, 5vw, 60px);
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 11.5px;
  color: var(--text-3);
}

/* ---------- 详情页 ---------- */
.case-hero-wrap { padding: 0 24px; }
.case-hero-media { aspect-ratio: 21 / 9.5; overflow: hidden; background: var(--bg-alt); border-radius: var(--radius-img); max-width: 1360px; margin: 0 auto; }
.case-hero-media img { width: 100%; height: 100%; object-fit: cover; }
.case-meta {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 28px;
  padding: 44px 0 30px;
  border-bottom: 1px solid var(--line-soft);
}
.case-meta dt { font-size: 12px; color: var(--text-3); font-weight: 600; }
.case-meta dd { font-size: 17px; font-weight: 700; margin-top: 8px; letter-spacing: -0.01em; }
.case-meta dd .work-en { display: block; font-size: 12.5px; color: var(--text-3); font-weight: 400; letter-spacing: 0; margin-top: 4px; }
.case-body { display: grid; grid-template-columns: 1fr 1.7fr; gap: clamp(32px, 5vw, 72px); padding: clamp(48px, 6vw, 80px) 0; }
.case-body h2 { font-size: clamp(24px, 2.8vw, 34px); font-weight: 700; letter-spacing: -0.02em; line-height: 1.22; }
.case-desc { font-size: 17px; color: var(--text-2); line-height: 1.75; letter-spacing: -0.004em; }
.case-desc + .case-desc { margin-top: 14px; }
.case-points { margin-top: 24px; }
.case-points li {
  position: relative;
  padding: 13px 0 13px 26px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 15px;
  color: var(--text-2);
}
.case-points li::before {
  content: "";
  position: absolute;
  left: 2px; top: 21px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--red);
}
.gallery { display: grid; gap: 20px; }
.gallery.g2 { grid-template-columns: 1fr 1fr; }
.gallery .g-item { border-radius: var(--radius-img); overflow: hidden; background: var(--bg-alt); }
.gallery.g2 .g-item { aspect-ratio: 4 / 3; }
.gallery .g-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.gallery .g-item:hover img { transform: scale(1.03); }
.proc-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-top: 24px; }
.proc-strip figure { border-radius: var(--radius-img); overflow: hidden; background: var(--bg-alt); }
.proc-strip img { aspect-ratio: 3 / 4; width: 100%; object-fit: cover; }
.proc-strip figcaption { font-size: 12.5px; color: var(--text-3); padding: 10px 4px 2px; text-align: center; }
.case-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  padding: clamp(44px, 5vw, 64px) 0 0;
  border-top: 1px solid var(--line-soft);
}
.case-nav a {
  padding: 30px 32px;
  border-radius: var(--radius-tile);
  background: var(--tile);
  transition: background 0.3s ease;
}
.case-nav a:hover { background: var(--card-hover); }
.case-nav a.next { text-align: right; }
.case-nav .cn-label { font-size: 12px; color: var(--text-3); font-weight: 600; }
.case-nav .cn-name { font-size: clamp(18px, 2vw, 24px); font-weight: 700; letter-spacing: -0.015em; margin-top: 8px; color: var(--text); }

/* ---------- 联系页 ---------- */
.contact-layout { display: grid; grid-template-columns: 1.15fr 1fr; gap: 28px; align-items: stretch; }
.form-card {
  background: var(--tile);
  border-radius: var(--radius-tile);
  padding: clamp(32px, 4vw, 56px);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: span 2; }
.field label { font-size: 13px; font-weight: 600; color: var(--text); letter-spacing: -0.004em; }
.field label i { color: var(--red); font-style: normal; }
.field input, .field select, .field textarea {
  font-family: var(--font);
  font-size: 16px;
  color: var(--text);
  background: var(--bg);
  border: 1px solid transparent;
  border-radius: 14px;
  padding: 14px 18px;
  outline: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
  appearance: none;
  -webkit-appearance: none;
}
html[data-theme="dark"] .field input,
html[data-theme="dark"] .field select,
html[data-theme="dark"] .field textarea { background: var(--dark-card); }
.field select {
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236e6e73' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 18px center;
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 4px rgba(230, 0, 18, 0.1);
}
.field.err input, .field.err textarea, .field.err select { border-color: var(--red); }
.field .tip { font-size: 12px; color: var(--red); display: none; }
.field.err .tip { display: block; }
.form-foot { display: flex; align-items: center; gap: 16px; margin-top: 26px; flex-wrap: wrap; }
.form-note { font-size: 12.5px; color: var(--text-3); }
.form-success { display: none; text-align: center; padding: 46px 20px; }
.form-success.show { display: block; animation: pageIn 0.5s var(--ease); }
.form-success .fs-icon {
  width: 60px; height: 60px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--red);
  color: #fff;
  font-size: 26px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 30px rgba(230, 0, 18, 0.35);
}
.form-success h3 { font-size: 24px; font-weight: 700; letter-spacing: -0.02em; }
.form-success p { color: var(--text-2); margin-top: 10px; font-size: 15px; }

.info-card {
  background: var(--dark-section);
  color: var(--dark-text);
  border-radius: var(--radius-tile);
  padding: clamp(32px, 4vw, 52px);
}
.info-card .section-title { color: var(--dark-text); font-size: clamp(24px, 2.8vw, 34px); }
.info-list li {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 14px;
  padding: 17px 0;
  border-bottom: 1px solid var(--dark-line);
  font-size: 14.5px;
}
.info-list .k { color: var(--dark-text-2); font-size: 12.5px; font-weight: 600; }
.info-list .v { color: var(--dark-text); font-weight: 400; line-height: 1.65; }
.info-list .v a:hover { color: var(--red); text-decoration: underline; }

/* ---------- QR 群 ---------- */
.qr-row { display: flex; gap: 24px; flex-wrap: wrap; }
.qr-row figure { text-align: center; }
.qr-row img {
  width: 112px; height: 112px;
  border-radius: 16px;
  border: 1px solid var(--line-soft);
  padding: 6px;
  background: #fff;
}
.qr-row figcaption { font-size: 12px; margin-top: 8px; color: var(--text-3); }

/* ---------- 标杆合作 ---------- */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: clamp(44px, 5vw, 64px);
}
.trust-card {
  display: block;
  background: var(--tile);
  border-radius: var(--radius-tile);
  overflow: hidden;
}
.trust-media { aspect-ratio: 4 / 3; overflow: hidden; background: var(--bg-alt); }
.trust-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.1s var(--ease);
}
.trust-card:hover .trust-media img { transform: scale(1.04); }
.trust-body { padding: 24px 28px 30px; }
.trust-tag { font-size: 12px; font-weight: 600; color: var(--red); letter-spacing: 0.02em; }
.trust-name {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-top: 8px;
  transition: color 0.3s ease;
}
.trust-card:hover .trust-name { color: var(--red); }
.trust-body p { margin-top: 8px; font-size: 14px; color: var(--text-2); line-height: 1.6; }
.trust-note { margin-top: 22px; font-size: 12px; color: var(--text-3); text-align: center; }
@media (max-width: 820px) {
  .trust-grid { grid-template-columns: 1fr; gap: 16px; }
  .trust-card { display: grid; grid-template-columns: 132px 1fr; }
  .trust-media { aspect-ratio: auto; height: 100%; }
  .trust-body { padding: 18px 20px 20px; }
}

/* ---------- reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  transition-delay: var(--rd, 0s);
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: none; }

/* ---------- 网格列数修饰（响应式安全：minmax(0,1fr) 防止内容撑宽） ---------- */
.flow.cols4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.svc-grid.cols3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 1024px) {
  .flow.cols4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .svc-grid.cols3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 820px) {
  .flow.cols4 { grid-template-columns: 1fr; }
  .svc-grid.cols3 { grid-template-columns: 1fr; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .case-meta { grid-template-columns: 1fr 1fr; }
  .proc-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .nav-links { gap: 22px; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .case-body { grid-template-columns: 1fr; gap: 28px; padding: 44px 0; }
}
@media (max-width: 1000px) {
.nav-links { display: none; }
.nav-burger { display: block; }
.mobile-menu { display: block; }
}

@media (max-width: 820px) {
  body { font-size: 16px; }
  .chip { padding: 11px 22px; }
  .work-grid { grid-template-columns: 1fr; gap: 20px; }
  .tile.wide { grid-column: span 1; }
  .tile.wide .tile-media { aspect-ratio: 16 / 10.4; }
  .svc-grid { grid-template-columns: 1fr; }
  .mosaic { gap: 16px; }
  .m-7, .m-5, .m-4, .m-8 { grid-column: span 12; aspect-ratio: 4 / 3; }
  .case-body { grid-template-columns: 1fr; gap: 28px; padding: 44px 0; }
  .contact-layout { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .field.full { grid-column: span 1; }
  .gallery.g2 { grid-template-columns: 1fr; gap: 14px; }
  .case-nav { grid-template-columns: 1fr; }
  .case-nav a.next { text-align: left; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px 20px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-grid > div:nth-child(4) { grid-column: 1 / -1; }
  .footer h5 { margin-bottom: 10px; }
  .footer li { margin-bottom: 7px; font-size: 13.5px; }
  .footer-brand p { max-width: none; }
  .footer-contact li { flex-wrap: wrap; row-gap: 2px; }
  .hero { min-height: 90vh; }
  .hero-sub { min-height: 56vh; }
  .section { padding: clamp(84px, 15vw, 130px) 0; }
  .flow { grid-template-columns: 1fr; gap: 28px; }
  .proc-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .case-meta { gap: 20px; padding: 34px 0 26px; }
  .qr-row { gap: 16px; }
  .qr-row img { width: 96px; height: 96px; }
  .stats { padding: 52px 0; }
  .nav-inner { padding: 0 20px; }
  .wrap { padding: 0 20px; }
  .nl-row { grid-template-columns: 1fr auto; }
  .nl-row .nl-date { grid-column: 1 / -1; margin-bottom: -8px; }
  .brands-row { gap: 10px 24px; }
}
@media (max-width: 380px) {
  .stat-num { font-size: 40px; }
  .footer-qr { flex-wrap: wrap; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal, .li { opacity: 1; transform: none; }
  .rimg { clip-path: none; }
  .rimg img { transform: none; }
  .hero-media { animation: none; }
}