/* ===================================================================
   峰华微电子官网 · "讯流 SignalFlow" 视觉系统（前台）+ 后台共用变量
   纯原生 CSS：靛蓝双层色板 / 大留白 / 深浅全屏交替 / 滚动揭示 / 缓动微交互
   字体自托管 Manrope（拉丁），CJK 回退系统字体；不引用任何 CDN。
   =================================================================== */

/* ---------- 自托管字体（可变字重 300–800，缺失时系统栈兜底） ---------- */
@font-face {
  font-family: "Manrope";
  font-style: normal;
  font-weight: 300 800;
  font-display: swap;
  src: url("/static/fonts/manrope-var.woff2") format("woff2");
}

/* ---------- 设计令牌 ---------- */
:root {
  /* 强调色：电子亮蓝 Electric Blue */
  --brand: #0a5cff;
  --brand-2: #4d8bff;        /* 渐变高光 */
  --brand-dark: #0047d6;
  --brand-soft: #e9f1ff;     /* 浅底 */
  --brand-light: #e9f1ff;    /* 兼容 admin 引用名 */

  /* 亮画布 */
  --bg: #ffffff;
  --bg-soft: #f6f7fb;
  --text: #0b0d17;
  --text-2: #5b6172;
  --line: #e7e8ef;

  /* 暗画布（全屏暗色卡片 / hero / 页脚） */
  --ink: #000000;
  --ink-2: #0a0a0c;
  --on-ink: #f4f5fa;
  --on-ink-2: #a7abbd;
  --line-ink: rgba(255, 255, 255, .10);

  --danger: #dc2626;
  --ok: #16a34a;

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .10);
  --shadow-lg: 0 22px 60px -18px rgba(0, 40, 120, .30);

  --ease: cubic-bezier(.22, 1, .36, 1);
  --ease-spring: cubic-bezier(.34, 1.56, .64, 1);   /* 弹性回弹（hover 微交互） */
  --section-pad: clamp(72px, 10vw, 140px);
  --maxw: 1200px;

  --font: "Manrope", "PingFang SC", "Microsoft YaHei", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  font-size: 16px;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--brand); text-decoration: none; }
h1, h2, h3, h4 { line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.02em; font-weight: 800; }
p { margin: 0 0 1em; }
::selection { background: rgba(77, 139, 255, .22); }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; width: 100%; }

/* ---------- 通用小部件 ---------- */
.eyebrow {
  font-size: 13px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--brand); margin: 0 0 14px;
}
.section--ink .eyebrow, [data-theme="dark"] .eyebrow { color: var(--brand-2); }

.btn {
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  padding: 13px 26px; border-radius: 999px; font-size: 15px; font-weight: 600;
  border: 1px solid transparent; cursor: pointer; letter-spacing: -.01em;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease),
    background .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(.98); }
.btn-primary { transition: transform .25s var(--ease-spring), box-shadow .25s var(--ease); }
.btn-primary {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%);
  color: #fff !important; box-shadow: 0 10px 24px -8px rgba(10, 92, 255, .55);
}
.btn-primary:hover { box-shadow: 0 16px 34px -10px rgba(10, 92, 255, .68); }
.btn-ghost { border-color: var(--line); color: var(--text) !important; background: #fff; }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand) !important; }
.btn-ghost-ink {
  border-color: var(--line-ink); color: var(--on-ink) !important;
  background: rgba(255, 255, 255, .04); backdrop-filter: blur(6px);
}
.btn-ghost-ink:hover { border-color: var(--brand-2); background: rgba(77, 139, 255, .14); }

.link-arrow {
  display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: 15px;
  color: var(--brand);
}
.link-arrow::after { content: "→"; transition: transform .25s var(--ease-spring); }
.link-arrow:hover::after { transform: translateX(5px); }
.section--ink .link-arrow, [data-theme="dark"] .link-arrow { color: var(--brand-2); }

/* ---------- 滚动揭示 ---------- */
.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: none; }

/* ==================================================================
   顶部导航（毛玻璃 sticky + 滚动态 + 移动抽屉）
   ================================================================== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .72);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid transparent;
  transition: background .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.site-header.scrolled {
  background: rgba(255, 255, 255, .88);
  border-bottom-color: var(--line);
  box-shadow: 0 6px 24px -18px rgba(16, 24, 40, .5);
}
.site-header .inner {
  display: flex; align-items: center; gap: 20px; min-height: 66px;
}
.brand { display: flex; align-items: center; gap: 11px; color: var(--text); white-space: nowrap; }
.brand .logo-mark { width: 30px; height: 30px; flex: none; display: block; object-fit: contain; }
.brand .brand-txt { font-weight: 800; font-size: 18px; letter-spacing: -.02em; line-height: 1; }
.brand .brand-txt small {
  display: block; color: var(--text-2); font-weight: 600; font-size: 10px;
  letter-spacing: .18em; margin-top: 3px;
}
.site-nav { display: flex; gap: 2px; margin-left: auto; align-items: center; }
.site-nav a {
  color: var(--text); padding: 8px 14px; border-radius: 999px; font-size: 15px;
  font-weight: 500; position: relative; transition: color .2s var(--ease), background .2s var(--ease);
}
.site-nav a:hover { color: var(--brand); background: var(--brand-soft); }
.site-nav a.active { color: var(--brand); font-weight: 700; }
.lang-switch {
  border: 1px solid var(--line); background: rgba(255, 255, 255, .6); color: var(--text-2);
  border-radius: 999px; padding: 8px 16px; cursor: pointer; font-size: 13px; font-weight: 600;
  white-space: nowrap; transition: border-color .2s var(--ease), color .2s var(--ease);
}
.lang-switch:hover { border-color: var(--brand); color: var(--brand); }

/* 移动汉堡 */
.nav-toggle {
  display: none; width: 42px; height: 42px; border: none; background: transparent;
  cursor: pointer; padding: 0; position: relative; margin-left: auto;
}
.nav-toggle span {
  position: absolute; left: 10px; right: 10px; height: 2px; background: var(--text);
  border-radius: 2px; transition: transform .3s var(--ease), opacity .2s var(--ease);
}
.nav-toggle span:nth-child(1) { top: 14px; }
.nav-toggle span:nth-child(2) { top: 20px; }
.nav-toggle span:nth-child(3) { top: 26px; }
.site-header.nav-open .nav-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.site-header.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.site-header.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ==================================================================
   页脚（暗色多列）
   ================================================================== */
.site-footer { background: var(--ink); color: var(--on-ink-2); font-size: 14px; }
.site-footer .foot-grid {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px;
  padding: clamp(56px, 7vw, 88px) 24px 48px;
}
.foot-brand .logo-mark {
  width: 34px; height: 34px; margin-bottom: 16px; object-fit: contain;
  /* 深色页脚上深蓝 LOGO 对比度不足，反白显示；透明底保留 */
  filter: brightness(0) invert(1); opacity: .92;
}
.foot-brand .company { color: var(--on-ink); font-weight: 700; font-size: 16px; letter-spacing: -.01em; }
.foot-brand .company-en { color: var(--on-ink-2); font-size: 13px; margin-top: 2px; }
.foot-brand .foot-tag { margin-top: 14px; max-width: 34ch; line-height: 1.7; }
.foot-col h4 {
  color: var(--on-ink); font-size: 13px; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; margin: 0 0 16px;
}
.foot-col a, .foot-col p { display: block; color: var(--on-ink-2); margin: 0 0 11px; line-height: 1.6; }
.foot-col a { transition: color .2s var(--ease); }
.foot-col a:hover { color: var(--brand-2); }
.site-footer .foot-bottom {
  border-top: 1px solid var(--line-ink); padding: 22px 24px;
  /* 三格：左版权 · 中备案 · 右域名版本；1fr auto 1fr 才是相对页面的真居中 */
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 10px 20px;
  font-size: 13px; color: var(--on-ink-2);
}
.site-footer .foot-bottom > :last-child { justify-self: end; text-align: right; }
.site-footer .foot-beian {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 4px 16px; line-height: 1.7;
}
.site-footer .foot-beian a {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--on-ink-2); transition: color .2s var(--ease);
}
.site-footer .foot-beian a:hover { color: var(--brand-2); }
/* 备案图标：贴合 13px 字号，官方徽标保持原色不做反白 */
.site-footer .foot-beian img { width: auto; height: 15px; flex: none; }

/* ==================================================================
   区块基座（深浅交替）
   ================================================================== */
.section { padding: var(--section-pad) 0; }
section[id] { scroll-margin-top: 76px; }
.section--light, [data-theme="light"] { background: var(--bg-soft); }
.section--ink, [data-theme="dark"] { background: var(--ink); color: var(--on-ink); position: relative; }
.section--ink h1, .section--ink h2, .section--ink h3,
[data-theme="dark"] h1, [data-theme="dark"] h2, [data-theme="dark"] h3 { color: var(--on-ink); }
.section--ink p, [data-theme="dark"] p { color: var(--on-ink-2); }

.section-head {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 20px;
  margin-bottom: clamp(28px, 4vw, 48px);
}
.section-head h2 { font-size: clamp(26px, 3.4vw, 40px); margin: 0; }
.section-head .eyebrow { margin-bottom: 8px; }

/* ==================================================================
   首页 Hero（全屏 + CSS 抽象信号场）
   ================================================================== */
.hero {
  position: relative; overflow: hidden; background: var(--ink); color: var(--on-ink);
  min-height: min(94vh, 900px); display: flex; align-items: center;
  padding: 120px 0 100px;
}
.hero-inner { position: relative; z-index: 2; max-width: 900px; }
.hero .eyebrow { color: var(--brand-2); }
.hero-title {
  font-size: clamp(40px, 8vw, 92px); line-height: 1.02; font-weight: 800;
  letter-spacing: -.03em; margin: 0 0 26px; color: var(--on-ink);
}
.hero-title .line { display: block; }
.hero-title .grad {
  background: linear-gradient(100deg, var(--brand-2) 10%, #a5b4fc 60%, #c7d2fe 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { font-size: clamp(16px, 2vw, 21px); color: var(--on-ink-2); max-width: 60ch; margin: 0 0 36px; font-weight: 300; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }

/* 抽象信号场：网格 + 双光晕 + 浮动节点 + 扩散波纹 */
.hero-bg { position: absolute; inset: 0; z-index: 1; overflow: hidden; }
.hero-bg::before {   /* 网格 */
  content: ""; position: absolute; inset: -2px;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(ellipse 80% 70% at 70% 40%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 70% 40%, #000 30%, transparent 75%);
}
.hero-bg::after {   /* 双色光晕 */
  content: ""; position: absolute; width: 60vw; height: 60vw; max-width: 820px; max-height: 820px;
  top: -18%; right: -8%;
  background: radial-gradient(circle at center, rgba(77, 139, 255, .55) 0%, rgba(10, 92, 255, .22) 34%, transparent 66%);
  filter: blur(20px); animation: heroGlow 14s var(--ease) infinite alternate;
}
.hero-orbit {
  position: absolute; right: 8%; top: 42%; width: 40vw; height: 40vw;
  max-width: 560px; max-height: 560px; transform: translateY(-50%);
  pointer-events: none;
}
.hero-orbit i {
  position: absolute; inset: 0; margin: auto; border-radius: 50%;
  border: 1px solid rgba(165, 180, 252, .18);
}
.hero-orbit i:nth-child(1) { width: 34%; height: 34%; }
.hero-orbit i:nth-child(2) { width: 62%; height: 62%; }
.hero-orbit i:nth-child(3) { width: 100%; height: 100%; }
.hero-orbit i::before {   /* 轨道节点 */
  content: ""; position: absolute; top: -4px; left: 50%; width: 9px; height: 9px;
  border-radius: 50%; background: var(--brand-2); box-shadow: 0 0 16px 3px rgba(77, 139, 255, .8);
}
.hero-orbit i:nth-child(1) { animation: spin 18s linear infinite; }
.hero-orbit i:nth-child(2) { animation: spin 30s linear infinite reverse; }
.hero-orbit i:nth-child(3) { animation: spin 46s linear infinite; }
.hero-core {
  position: absolute; inset: 0; margin: auto; width: 12px; height: 12px; border-radius: 50%;
  background: #fff; box-shadow: 0 0 30px 8px rgba(122, 168, 255, .9);
}

.scroll-cue {
  position: absolute; left: 50%; bottom: 30px; transform: translateX(-50%); z-index: 3;
  width: 26px; height: 42px; border: 2px solid rgba(255, 255, 255, .3); border-radius: 14px;
}
.scroll-cue span {
  position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; border-radius: 2px;
  background: var(--on-ink); transform: translateX(-50%); animation: scrollDot 1.8s var(--ease) infinite;
}

@keyframes heroGlow { 0% { transform: translate(0, 0) scale(1); } 100% { transform: translate(-6%, 8%) scale(1.15); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes scrollDot { 0% { opacity: 0; transform: translate(-50%, 0); } 40% { opacity: 1; } 80% { opacity: 0; transform: translate(-50%, 16px); } 100% { opacity: 0; } }

/* ==================================================================
   首页叙事段（图文两栏 + 抽象科技视觉）
   ================================================================== */
.story { padding: var(--section-pad) 0; overflow: hidden; }
.story-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 90px); align-items: center; }
.story:nth-of-type(even) .story-art { order: -1; }   /* 交替左右 */
.story-copy h2 { font-size: clamp(28px, 4vw, 52px); margin: 0 0 20px; }
.story-copy .lead { font-size: clamp(16px, 1.5vw, 19px); line-height: 1.75; margin: 0 0 26px; max-width: 46ch; font-weight: 300; }

.story-art {
  position: relative; aspect-ratio: 5 / 4; border-radius: var(--radius-lg); overflow: hidden;
  background: linear-gradient(160deg, #0e1024 0%, #171a34 100%);
  border: 1px solid var(--line-ink); box-shadow: var(--shadow-lg);
}
.section--light .story-art { box-shadow: 0 30px 70px -30px rgba(0, 40, 120, .35); }
.story-art .glow { position: absolute; border-radius: 50%; filter: blur(30px); opacity: .8; }

/* art 通用：Hero 同款线网格底纹（径向渐隐） */
.art-power::before, .art-flow::before {
  content: ""; position: absolute; inset: -2px;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(ellipse 75% 70% at 50% 50%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 75% 70% at 50% 50%, #000 30%, transparent 78%);
}
@keyframes breathe { 0%, 100% { opacity: .5; } 50% { opacity: .95; } }

/* art 01: 低功耗 · 休眠-唤醒脉冲（游标沿迹线巡行，尖峰节点错峰闪亮） */
.art-power .glow { width: 58%; height: 58%; left: 8%; top: 12%; background: rgba(10, 92, 255, .38); animation: breathe 6s var(--ease) infinite; }
.art-power svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.art-power .trace { fill: none; stroke: rgba(165, 180, 252, .28); stroke-width: 1.5; }
.art-power .pulse {
  fill: none; stroke: var(--brand-2); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round;
  stroke-dasharray: 70 930; filter: drop-shadow(0 0 6px rgba(77, 139, 255, .85));
  animation: pulseTravel 5.6s linear infinite;
}
.art-power .pulse-head {   /* 游标白色亮头 */
  fill: none; stroke: #fff; stroke-width: 3; stroke-linecap: round;
  stroke-dasharray: 4 996; filter: drop-shadow(0 0 8px rgba(122, 168, 255, .95));
  animation: pulseTravel 5.6s linear infinite;
}
@keyframes pulseTravel { from { stroke-dashoffset: 70; } to { stroke-dashoffset: -930; } }
.art-power .spark {   /* 唤醒节点：游标经过时闪亮 */
  position: absolute; width: 9px; height: 9px; margin: -4.5px 0 0 -4.5px; border-radius: 50%;
  background: #fff; box-shadow: 0 0 14px 4px rgba(122, 168, 255, .85);
  opacity: .2; animation: sparkWake 5.6s var(--ease) infinite;
}
.art-power .spark:nth-of-type(1) { left: 28%;   top: 35%;   animation-delay: .2s; }
.art-power .spark:nth-of-type(2) { left: 65.4%; top: 53.5%; width: 7px; height: 7px; margin: -3.5px 0 0 -3.5px; animation-delay: 2.5s; }
@keyframes sparkWake {
  0%, 100% { opacity: .2; transform: scale(.7); }
  28%      { opacity: 1;  transform: scale(1.15); }
  42%      { opacity: .25; transform: scale(.75); }
}
.art-power .cell {   /* 电池：接近满格、极缓呼吸 */
  position: absolute; left: 9%; bottom: 11%; width: 16%; aspect-ratio: 8 / 3;
  border: 1.5px solid rgba(165, 180, 252, .45); border-radius: 6px;
}
.art-power .cell::before {   /* 电极 */
  content: ""; position: absolute; right: -8%; top: 32%; width: 5%; height: 36%;
  background: rgba(165, 180, 252, .45); border-radius: 2px;
}
.art-power .cell::after {    /* 电量条 */
  content: ""; position: absolute; inset: 3px;
  background: linear-gradient(90deg, rgba(10, 92, 255, .55), rgba(77, 139, 255, .8)); border-radius: 3px;
  transform-origin: left center; animation: cellLevel 8s var(--ease) infinite;
}
@keyframes cellLevel { 0%, 100% { transform: scaleX(.93); opacity: .75; } 50% { transform: scaleX(.99); opacity: 1; } }

/* art 02: 一站式交付 · 芯片流水线（流光贯穿，站点+芯片核心依次点亮） */
.art-flow .glow { width: 56%; height: 56%; left: 22%; top: 19%; background: rgba(77, 139, 255, .45); animation: breathe 6s var(--ease) infinite; }
.art-flow .lane {
  position: absolute; left: 5%; right: 5%; top: 47%; height: 2px; transform: translateY(-50%);
  background: linear-gradient(90deg, transparent, rgba(165, 180, 252, .35) 12%, rgba(165, 180, 252, .35) 88%, transparent);
}
.art-flow .stream {   /* 流光包 */
  position: absolute; top: 47%; left: -16%; width: 14%; height: 2px; transform: translateY(-50%); border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--brand-2) 60%, #fff);
  filter: drop-shadow(0 0 8px rgba(77, 139, 255, .9));
  animation: flowStream 6s linear infinite;
}
@keyframes flowStream {
  0%   { left: -16%; opacity: 0; }
  6%   { opacity: 1; }
  92%  { opacity: 1; }
  100% { left: 102%; opacity: 0; }
}
.art-flow .stop {   /* 流程站点 */
  position: absolute; top: 47%; width: 10px; height: 10px; margin: -5px 0 0 -5px; border-radius: 50%;
  background: #141737; border: 1.5px solid rgba(165, 180, 252, .45);
  animation: stopFlash 6s var(--ease) infinite;
}
.art-flow .s1 { left: 13%; animation-delay: .4s; }
.art-flow .s2 { left: 29%; animation-delay: 1.2s; }
.art-flow .s3 { left: 71%; animation-delay: 3.4s; }
.art-flow .s4 { left: 87%; animation-delay: 4.2s; }
@keyframes stopFlash {
  0%, 18%, 100% { background: #141737; border-color: rgba(165, 180, 252, .45); box-shadow: 0 0 0 0 rgba(77, 139, 255, 0); transform: scale(1); }
  6%            { background: #fff;    border-color: #fff;                     box-shadow: 0 0 16px 4px rgba(122, 168, 255, .9); transform: scale(1.3); }
}
.art-flow .chip {
  position: absolute; left: 50%; top: 47%; width: 38%; aspect-ratio: 1 / 1; transform: translate(-50%, -50%);
  border: 2px solid rgba(165, 180, 252, .55); border-radius: 12%;
  background: linear-gradient(135deg, rgba(23, 26, 52, .9), rgba(14, 16, 36, .9)) padding-box,
              linear-gradient(135deg, rgba(77, 139, 255, .16), rgba(77, 139, 255, .03));
  box-shadow: 0 0 40px rgba(10, 92, 255, .25);
}
.art-flow .chip::before {   /* 左右引脚梳齿 */
  content: ""; position: absolute; top: 18%; bottom: 18%; left: -9%; right: -9%;
  background: repeating-linear-gradient(180deg, rgba(122, 168, 255, .5) 0 2px, transparent 2px 26px);
  mask: linear-gradient(90deg, #000 0 8%, transparent 8% 92%, #000 92%);
  -webkit-mask: linear-gradient(90deg, #000 0 8%, transparent 8% 92%, #000 92%);
}
.art-flow .chip::after {    /* 上下引脚梳齿 */
  content: ""; position: absolute; left: 18%; right: 18%; top: -9%; bottom: -9%;
  background: repeating-linear-gradient(90deg, rgba(122, 168, 255, .5) 0 2px, transparent 2px 26px);
  mask: linear-gradient(180deg, #000 0 8%, transparent 8% 92%, #000 92%);
  -webkit-mask: linear-gradient(180deg, #000 0 8%, transparent 8% 92%, #000 92%);
}
.art-flow .die {
  position: absolute; inset: 26%; border: 1.5px solid rgba(165, 180, 252, .4); border-radius: 8px;
  display: grid; place-items: center;
}
.art-flow .die::after {   /* 芯片核心：流光穿过时最亮 */
  content: ""; width: 8px; height: 8px; border-radius: 50%; background: #fff;
  box-shadow: 0 0 8px 2px rgba(122, 168, 255, .4); opacity: .4;
  animation: coreFlash 6s var(--ease) infinite;
}
@keyframes coreFlash {
  0%, 30%, 100% { opacity: .4; box-shadow: 0 0 8px 2px rgba(122, 168, 255, .4); }
  42%           { opacity: 1;  box-shadow: 0 0 22px 7px rgba(122, 168, 255, .95); }
  58%           { opacity: .5; }
}

/* ==================================================================
   数据带
   ================================================================== */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat { text-align: center; padding: 8px; }
.stat .num {
  font-size: clamp(38px, 5vw, 62px); font-weight: 800; letter-spacing: -.04em; line-height: 1;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat .lbl { margin-top: 12px; color: var(--text-2); font-size: 15px; font-weight: 500; }

/* ==================================================================
   收尾 CTA
   ================================================================== */
.cta { text-align: center; }
.cta-inner { max-width: 720px; margin: 0 auto; }
.cta h2 { font-size: clamp(30px, 5vw, 58px); margin: 0 0 18px; }
.cta p { font-size: clamp(16px, 2vw, 20px); margin: 0 0 32px; font-weight: 300; }

/* ==================================================================
   卡片网格（产品/新闻推荐）
   ================================================================== */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 26px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column; color: var(--text);
  transition: box-shadow .35s var(--ease), transform .35s var(--ease-spring), border-color .35s var(--ease);
}
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); border-color: transparent; }
.card .thumb {
  aspect-ratio: 4 / 3; display: flex; align-items: center; justify-content: center;
  color: rgba(77, 139, 255, .5); font-size: 30px; overflow: hidden; position: relative;
  background:
    radial-gradient(circle at 30% 25%, rgba(77, 139, 255, .14), transparent 60%),
    linear-gradient(160deg, #f2f3fb 0%, #eceefb 100%);
}
.card .thumb::after {   /* 抽象网格纹理 */
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(77, 139, 255, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(77, 139, 255, .06) 1px, transparent 1px);
  background-size: 22px 22px;
}
.card .thumb img { width: 100%; height: 100%; object-fit: contain; position: relative; z-index: 1; }
.card .body { padding: 20px 20px 22px; flex: 1; display: flex; flex-direction: column; gap: 6px; }
.card .title { font-size: 18px; font-weight: 700; letter-spacing: -.01em; }
.card .meta { font-size: 13px; color: var(--brand); font-weight: 600; }
.card .desc {
  font-size: 14px; color: var(--text-2); flex: 1; line-height: 1.6;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.card .arrow { color: var(--brand); font-weight: 700; margin-top: 6px; transition: transform .25s var(--ease-spring); }
.card:hover .arrow { transform: translateX(5px); }

/* ==================================================================
   页面头（内页 hero）
   ================================================================== */
.page-hero { background: var(--ink); color: var(--on-ink); padding: clamp(96px, 13vw, 168px) 0 clamp(56px, 8vw, 92px); position: relative; overflow: hidden; }
.page-hero::after {
  content: ""; position: absolute; width: 46vw; height: 46vw; max-width: 620px; max-height: 620px;
  top: -14%; right: -6%; border-radius: 50%;
  background: radial-gradient(circle, rgba(77, 139, 255, .38) 0%, transparent 66%); filter: blur(10px);
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { font-size: clamp(34px, 6vw, 66px); margin: 0; color: var(--on-ink); }
.page-hero .page-hero-sub { color: var(--on-ink-2); font-size: clamp(16px, 2vw, 20px); margin: 18px 0 0; max-width: 56ch; font-weight: 300; }

/* 内容区（各内页主体统一上下留白） */
.page-body { padding: clamp(48px, 7vw, 96px) 0; }

/* ==================================================================
   产品页：分类筛选
   ================================================================== */
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
.chip {
  border: 1px solid var(--line); background: #fff; border-radius: 999px;
  padding: 9px 20px; font-size: 14px; font-weight: 600; cursor: pointer; color: var(--text-2);
  transition: all .2s var(--ease-spring);
}
.chip:hover { border-color: var(--brand); color: var(--brand); }
.chip.active { background: var(--brand); border-color: var(--brand); color: #fff; box-shadow: 0 8px 18px -8px rgba(10, 92, 255, .6); }

/* ==================================================================
   分页
   ================================================================== */
.pager { display: flex; gap: 8px; justify-content: center; align-items: center; margin: 52px 0 0; }
.pager button {
  min-width: 42px; height: 42px; padding: 0 16px; border: 1px solid var(--line); background: #fff;
  border-radius: 999px; cursor: pointer; color: var(--text); font-size: 14px; font-weight: 600;
  transition: all .2s var(--ease);
}
.pager button:not(:disabled):hover { border-color: var(--brand); color: var(--brand); }
.pager button:disabled { opacity: .4; cursor: default; }
.pager .cur { color: var(--text-2); font-size: 14px; padding: 0 10px; font-variant-numeric: tabular-nums; }

/* ==================================================================
   产品详情
   ================================================================== */
.detail-wrap { display: grid; grid-template-columns: minmax(280px, 500px) 1fr; gap: clamp(32px, 5vw, 64px); }
.gallery .main {
  border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden;
  aspect-ratio: 4 / 3; background:
    radial-gradient(circle at 30% 25%, rgba(77, 139, 255, .12), transparent 60%),
    linear-gradient(160deg, #f2f3fb, #eceefb);
  display: flex; align-items: center; justify-content: center; color: rgba(77, 139, 255, .5); font-size: 46px;
}
.gallery .main img { width: 100%; height: 100%; object-fit: contain; cursor: zoom-in; }

/* 大图预览灯箱 */
.lightbox {
  position: fixed; inset: 0; z-index: 999; display: none; align-items: center; justify-content: center;
  background: rgba(10, 11, 20, .9); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
}
.lightbox.open { display: flex; }
.lightbox img {
  max-width: 92vw; max-height: 92vh; object-fit: contain; cursor: grab;
  user-select: none; -webkit-user-drag: none; transform-origin: 0 0; will-change: transform;
}
.lightbox img.grabbing { cursor: grabbing; }
.lightbox .lb-close {
  position: absolute; top: 20px; right: 24px; width: 44px; height: 44px; line-height: 1;
  border: none; border-radius: 50%; background: rgba(255, 255, 255, .14); color: #fff;
  font-size: 22px; cursor: pointer; transition: background .2s var(--ease);
}
.lightbox .lb-close:hover { background: rgba(255, 255, 255, .26); }
.lightbox .lb-hint {
  position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%);
  color: rgba(255, 255, 255, .7); font-size: 13px; pointer-events: none; white-space: nowrap;
}
/* 前台轻量提示浮层（类名带 site- 前缀，避免与后台既有 .toast 冲突） */
.site-toast {
  position: fixed; inset: 0; z-index: 1000; display: none; align-items: center; justify-content: center;
  padding: 24px; background: rgba(10, 11, 20, .5); -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px);
}
.site-toast.open { display: flex; }
.site-toast-card {
  max-width: 400px; width: 100%; background: #fff; border-radius: var(--radius);
  box-shadow: var(--shadow); border-top: 3px solid var(--brand);
  padding: 28px 26px 22px; text-align: center;
}
.site-toast-msg { color: var(--text); font-size: 16px; line-height: 1.7; margin: 0 0 20px; }
.site-toast-close {
  border: none; border-radius: 999px; cursor: pointer; padding: 10px 28px; font-size: 14px; font-weight: 600;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%); color: #fff;
  transition: transform .2s var(--ease);
}
.site-toast-close:hover { transform: translateY(-2px); }
.site-toast-close:active { transform: translateY(0) scale(.98); }

.gallery .thumbs { display: flex; gap: 12px; margin-top: 16px; flex-wrap: wrap; }
.gallery .thumbs img {
  width: 76px; height: 58px; object-fit: contain; background: var(--bg-soft); border-radius: 10px;
  border: 2px solid transparent; cursor: pointer; transition: border-color .2s var(--ease);
}
.gallery .thumbs img.sel { border-color: var(--brand); }
.prod-info h1 { font-size: clamp(26px, 3.4vw, 40px); }
.prod-info .model {
  color: var(--brand); font-weight: 700; margin-bottom: 14px; font-size: 15px;
  display: flex; align-items: center; gap: 10px;
}
.buy-btn {
  flex: none; width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); border-radius: 999px; background: #fff; color: var(--brand);
  cursor: pointer; padding: 0; transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
}
.buy-btn svg { width: 18px; height: 18px; }
.buy-btn:hover { background: var(--brand); color: #fff; border-color: var(--brand); }
.buy-btn:active { transform: scale(.94); }
.prod-info .summary { color: var(--text-2); font-size: 17px; font-weight: 300; line-height: 1.7; }

/* 富文本 */
.rich { line-height: 1.8; color: var(--text); }
.rich h2 { font-size: 26px; margin: 1.4em 0 .5em; }
.rich h3 { font-size: 20px; margin: 1.2em 0 .4em; }
.rich p { margin: 0 0 1.1em; }
.rich img { border-radius: var(--radius); margin: 1em 0; }
.rich a { color: var(--brand); text-decoration: underline; text-underline-offset: 3px; }
.rich table { border-collapse: collapse; width: 100%; margin: 1em 0; font-size: 15px; }
.rich td, .rich th { border: 1px solid var(--line); padding: 10px 14px; }
.rich th { background: var(--bg-soft); font-weight: 700; }
.rich ul, .rich ol { padding-left: 1.4em; margin: 0 0 1.1em; }
.rich li { margin: .3em 0; }

.back-link { margin-top: 40px; }
.back-top { margin-top: 0; margin-bottom: clamp(16px, 2vw, 24px); }
.back-arrow { color: var(--brand); font-weight: 500; display: inline-flex; align-items: center; gap: 6px; }
.back-arrow::before { content: "\2190"; transition: transform .25s var(--ease-spring); }
.back-arrow:hover::before { transform: translateX(-5px); }

/* ==================================================================
   资料下载列表
   ================================================================== */
.dl-list { display: flex; flex-direction: column; gap: 14px; }
.dl-item {
  display: flex; align-items: center; gap: 18px; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px 22px; background: #fff;
  transition: box-shadow .3s var(--ease), transform .3s var(--ease-spring), border-color .3s var(--ease);
}
.dl-item:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); border-color: transparent; }
.dl-item .ficon {
  width: 50px; height: 50px; flex: none; border-radius: 13px;
  background: linear-gradient(140deg, var(--brand), var(--brand-2)); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .04em;
}
.dl-item .info { flex: 1; min-width: 0; }
.dl-item .name { font-weight: 700; font-size: 16px; word-break: break-all; }
.dl-item .meta { font-size: 13px; color: var(--text-2); margin-top: 3px; }
.dl-item .btn { flex: none; }

/* 资料下载：搜索框 + 分类徽标 */
.dl-toolbar { margin-bottom: 20px; }
.dl-search {
  width: 100%; max-width: 420px; padding: 12px 20px; font-size: 15px;
  color: var(--text); background: #fff; border: 1px solid var(--line);
  border-radius: 999px; transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.dl-search::placeholder { color: var(--text-2); }
.dl-search:focus {
  outline: none; border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(10, 92, 255, .12);
}
.dl-cat {
  display: inline-block; vertical-align: middle; margin-left: 8px;
  font-size: 11px; font-weight: 700; line-height: 1.7; white-space: nowrap;
  color: var(--brand); background: var(--brand-soft);
  border-radius: 999px; padding: 1px 10px;
}

/* ==================================================================
   新闻列表 / 详情
   ================================================================== */
.news-list { display: flex; flex-direction: column; }
.news-item {
  display: flex; gap: 24px; align-items: baseline; border-bottom: 1px solid var(--line);
  padding: 22px 6px; color: var(--text); transition: padding .25s var(--ease);
}
.news-item:hover { padding-left: 16px; }
.news-item .date { flex: none; color: var(--text-2); font-size: 14px; font-variant-numeric: tabular-nums; min-width: 96px; }
.news-item .t { font-size: 18px; font-weight: 600; transition: color .2s var(--ease); }
.news-item:hover .t { color: var(--brand); }
.news-body { max-width: 760px; margin: 0 auto; }
.news-body .n-date { color: var(--text-2); font-size: 14px; margin-bottom: 8px; }

/* ==================================================================
   空态 / 提示
   ================================================================== */
.empty { text-align: center; color: var(--text-2); padding: 72px 0; font-size: 15px; }
.toast {
  position: fixed; left: 50%; bottom: 40px; transform: translateX(-50%);
  background: rgba(10, 11, 20, .94); color: #fff; padding: 12px 24px; border-radius: 999px;
  font-size: 14px; z-index: 999; opacity: 0; transition: opacity .25s; pointer-events: none; max-width: 80vw;
}
.toast.show { opacity: 1; }

/* ==================================================================
   关于我们 / 联系我们（about.html · contact.html）
   ================================================================== */
.about-intro { max-width: 900px; }
.statement {
  font-size: clamp(24px, 3.2vw, 44px); font-weight: 300; line-height: 1.5;
  letter-spacing: -.02em; color: var(--text); margin: 14px 0 0; max-width: 26em;
}

.pillar-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.pillar {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 28px; transition: box-shadow .35s var(--ease), transform .35s var(--ease), border-color .35s var(--ease);
}
.pillar:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: transparent; }
.pillar .icon, .contact-card .icon {
  width: 44px; height: 44px; color: var(--brand); background: var(--brand-soft, #eef2ff);
  border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
}
.pillar .icon svg, .contact-card .icon svg { width: 24px; height: 24px; }
.pillar h3 { font-size: 19px; margin: 0 0 10px; }
.pillar p { color: var(--text-2); font-size: 15px; line-height: 1.7; margin: 0; font-weight: 300; }

.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.contact-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 24px; transition: box-shadow .35s var(--ease), transform .35s var(--ease), border-color .35s var(--ease);
}
.contact-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: transparent; }
.contact-card .lbl { font-size: 13px; color: var(--text-2); letter-spacing: .04em; margin-bottom: 6px; }
.contact-card .val { font-size: 17px; font-weight: 600; color: var(--text); line-height: 1.5; word-break: break-word; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.step { position: relative; padding-top: 22px; }
.step::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: var(--line);
}
.step::after {
  content: ""; position: absolute; top: -3.5px; left: 0; width: 7px; height: 7px;
  border-radius: 50%; background: var(--brand);
}
.step .no { font-size: 15px; font-weight: 700; color: var(--brand); letter-spacing: .08em; margin-bottom: 10px; }
.step h3 { font-size: 18px; margin: 0 0 8px; }
.step p { color: var(--text-2); font-size: 15px; line-height: 1.7; margin: 0; font-weight: 300; }

.page-extra { padding-top: 0; }
.page-extra[hidden] { display: none; }
.page-extra .rich { max-width: 820px; margin: 0 auto; }

/* ==================================================================
   响应式
   ================================================================== */
@media (max-width: 960px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: fixed; inset: 66px 0 auto 0; flex-direction: column; align-items: stretch;
    gap: 4px; margin: 0; padding: 16px 20px 24px;
    background: rgba(255, 255, 255, .96); backdrop-filter: saturate(180%) blur(18px);
    border-bottom: 1px solid var(--line); box-shadow: 0 20px 40px -20px rgba(16, 24, 40, .4);
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: transform .3s var(--ease), opacity .3s var(--ease); z-index: 90;
  }
  .site-header.nav-open .site-nav { transform: none; opacity: 1; pointer-events: auto; }
  .site-nav a { padding: 13px 14px; font-size: 17px; border-radius: 12px; }
  .lang-switch { margin-left: auto; }
  .story-grid { grid-template-columns: 1fr; gap: 40px; }
  .story:nth-of-type(even) .story-art { order: 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 16px; }
  .detail-wrap { grid-template-columns: 1fr; }
  .site-footer .foot-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .pillar-grid, .contact-grid, .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .container { padding: 0 18px; }
  .hero { min-height: 88vh; padding: 100px 0 80px; }
  .hero-orbit { opacity: .5; right: -14%; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 10px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .news-item { flex-direction: column; gap: 4px; }
  .news-item .date { min-width: 0; }
  .site-footer .foot-grid { grid-template-columns: 1fr; }
  .site-footer .foot-bottom { grid-template-columns: 1fr; justify-items: center; text-align: center; }
  .site-footer .foot-bottom > :last-child { justify-self: center; text-align: center; }
  .dl-item { flex-wrap: wrap; }
  .dl-item .btn { width: 100%; }
  .pillar-grid, .contact-grid, .steps { grid-template-columns: 1fr; }
  .statement { font-size: clamp(22px, 6vw, 28px); }
}

/* ==================================================================
   动效降级
   ================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1 !important; transform: none !important; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  ::view-transition-group(*), ::view-transition-old(*), ::view-transition-new(*) { animation: none !important; }
  /* 叙事配图静止态：显示完整发光迹线/链路，隐藏移动游标 */
  .art-power .pulse { animation: none; stroke-dasharray: none; opacity: .55; }
  .art-power .pulse-head, .art-flow .stream { display: none; }
  .art-power .spark, .art-flow .die::after { animation: none; opacity: .9; }
  .art-power .cell::after { animation: none; transform: scaleX(.96); }
}

/* ==================================================================
   原生页面转场（多页切换淡入；仅 Chromium 支持，其余自动降级）
   ================================================================== */
@view-transition { navigation: auto; }

/* ============================ 后台（保持原样，仅共享变量随主色统一为靛蓝） ============================ */
.admin-body { background: var(--bg-soft); min-height: 100vh; }
.admin-layout { display: flex; min-height: 100vh; }
.admin-aside {
  width: 210px; flex: none; background: #0f172a; color: #cbd5e1; padding: 18px 12px;
  display: flex; flex-direction: column; gap: 4px;
}
.admin-aside .brand { color: #fff; font-size: 16px; padding: 6px 10px 16px; }
.admin-aside a {
  color: #cbd5e1; padding: 9px 12px; border-radius: 8px; font-size: 14px; display: block;
}
.admin-aside a:hover { background: rgba(255, 255, 255, .08); opacity: 1; }
.admin-aside a.active { background: var(--brand); color: #fff; }
.admin-aside .spacer { flex: 1; }
.admin-main { flex: 1; min-width: 0; padding: 22px 26px 60px; }
.admin-top {
  display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px;
}
.admin-top h1 { font-size: 20px; margin: 0; }
.admin-top .who { font-size: 13px; color: var(--text-2); display: flex; gap: 12px; align-items: center; }

.panel {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px; margin-bottom: 20px; box-shadow: var(--shadow);
}
.panel h2 { font-size: 16px; margin: 0 0 14px; }

/* 表格 */
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.table th { color: var(--text-2); font-weight: 600; font-size: 13px; white-space: nowrap; }
.table td .thumb-s { width: 52px; height: 40px; object-fit: cover; border-radius: 6px; }
.table-scroll { overflow-x: auto; }

/* 表单 */
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px 18px; }
.field { display: flex; flex-direction: column; gap: 5px; font-size: 13px; color: var(--text-2); }
.field.full { grid-column: 1 / -1; }
.field input[type="text"], .field input[type="number"], .field input[type="password"],
.field select, .field textarea {
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; font-size: 14px;
  font-family: inherit; color: var(--text); background: #fff; width: 100%;
}
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(10, 92, 255, .14);
}
.check { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text); }
.form-actions { margin-top: 16px; display: flex; gap: 10px; align-items: center; }

/* 小按钮 */
.btn-s {
  padding: 5px 12px; border-radius: 7px; font-size: 13px; cursor: pointer;
  border: 1px solid var(--line); background: #fff; color: var(--text); white-space: nowrap;
}
.btn-s:hover { border-color: var(--brand); color: var(--brand); }
.btn-s.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn-s.danger { color: var(--danger); }
.btn-s.danger:hover { border-color: var(--danger); }

.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; }
.badge.on { background: #dcfce7; color: var(--ok); }
.badge.off { background: #f1f5f9; color: var(--text-2); }

.upload-tip { font-size: 12px; color: var(--text-2); }
.img-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.img-chips .imgc { position: relative; }
.img-chips img { width: 90px; height: 68px; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); }
.img-chips .del {
  position: absolute; top: -7px; right: -7px; width: 20px; height: 20px; border-radius: 50%;
  border: none; background: var(--danger); color: #fff; font-size: 12px; cursor: pointer; line-height: 1;
}

/* 登录页 */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--bg-soft); }
.login-card {
  background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow-lg);
  width: min(92vw, 380px); padding: 34px 32px 30px;
}
.login-card h1 { font-size: 20px; text-align: center; }
.login-card .sub { text-align: center; color: var(--text-2); font-size: 13px; margin-bottom: 22px; }
.login-card .field { margin-bottom: 14px; }
.login-card .btn { width: 100%; margin-top: 6px; }

/* 后台响应式（保持原样） */
@media (max-width: 720px) {
  .admin-layout { flex-direction: column; }
  .admin-aside { width: 100%; flex-direction: row; flex-wrap: wrap; align-items: center; }
  .admin-aside .brand { padding: 6px 10px; }
  .admin-main { padding: 16px 14px 50px; }
}