/* ==========================================================================
   炫恒网络 · 官方网站设计系统
   配色：明亮黄 + 白，深蓝只用于文字与页脚
   ========================================================================== */

/* --------------------------------------------------------------- 变量 */
:root {
  /* 品牌黄 —— 明亮、干净、有精神 */
  --y-50: #fffdf4;
  --y-100: #fff8df;
  --y-200: #ffefb8;
  --y-300: #ffe07a;
  --y-400: #ffd23d;
  --y-500: #ffc107;   /* 主黄：饱和度高、辨识度强 */
  --y-600: #f5b400;
  --y-700: #8a5e00;   /* 深金，小字用它保证对比度 */

  /* 中性 / 文字 —— 整体加深一档，解决「灰蒙蒙」 */
  --ink-950: #07101f;
  --ink-900: #0b1526;   /* 标题接近纯黑，锐利清晰 */
  --ink-800: #16233b;
  --ink-700: #26374f;
  --ink-600: #3a4c66;
  --ink-500: #556880;
  --ink-400: #78899d;
  --ink-300: #a3b0c0;
  --ink-200: #d3dbe4;
  --ink-100: #e8edf3;
  --ink-50: #f5f8fb;
  --white: #ffffff;

  --text: #101c30;
  --text-2: #45566e;
  --text-3: #78889b;

  --bg: #ffffff;
  --bg-alt: #f5f8fb;
  --bg-warm: #fffefb;

  /* 描边 —— 加深加实，线条更清晰 */
  --line: #dae2eb;
  --line-strong: #c3cedb;

  /* 阴影 —— 收得更紧更实，不再是一片虚雾 */
  --sh-xs: 0 1px 2px rgba(11, 21, 38, .06);
  --sh-sm: 0 2px 6px -1px rgba(11, 21, 38, .09), 0 1px 2px rgba(11, 21, 38, .05);
  --sh-md: 0 10px 22px -12px rgba(11, 21, 38, .2), 0 2px 5px rgba(11, 21, 38, .06);
  --sh-lg: 0 24px 46px -22px rgba(11, 21, 38, .26), 0 6px 14px -10px rgba(11, 21, 38, .1);
  --sh-yellow: 0 14px 28px -12px rgba(245, 180, 0, .68);

  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 18px;
  --r-xl: 26px;
  --r-full: 999px;

  --wrap: 1180px;
  --wrap-wide: 1320px;
  --gutter: 24px;
  --header-h: 74px;

  --e-out: cubic-bezier(.22, .61, .36, 1);
  --e-in-out: cubic-bezier(.65, .05, .36, 1);
  --e-spring: cubic-bezier(.34, 1.4, .5, 1);
  --t-fast: .18s;
  --t: .3s;
}

/* --------------------------------------------------------------- 重置 */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "HarmonyOS Sans SC", "MiSans", "PingFang SC", "Microsoft YaHei UI",
               "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC",
               "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, "Segoe UI",
               Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
body.is-locked { overflow: hidden; }

img, svg, video { max-width: 100%; display: block; }
img { height: auto; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  margin: 0 0 .6em;
  line-height: 1.28;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink-900);
}
h1 { font-size: clamp(1.9rem, 1.1rem + 3.2vw, 3.3rem); }
h2 { font-size: clamp(1.5rem, 1.1rem + 1.9vw, 2.3rem); }
h3 { font-size: clamp(1.08rem, 1rem + .5vw, 1.35rem); }
h4 { font-size: 1rem; }
p { margin: 0 0 1em; color: var(--text-2); }

button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; border: 0; background: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }

::selection { background: var(--y-300); color: var(--ink-900); }
:focus-visible { outline: 3px solid var(--y-500); outline-offset: 3px; border-radius: 4px; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--ink-50); }
::-webkit-scrollbar-thumb {
  background: var(--ink-200);
  border-radius: 99px;
  border: 2px solid var(--ink-50);
}
::-webkit-scrollbar-thumb:hover { background: var(--y-500); }

/* --------------------------------------------------------------- 布局 */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.wrap--wide { max-width: var(--wrap-wide); }

.section { padding: clamp(60px, 6.4vw, 100px) 0; position: relative; }
.section--tight { padding: clamp(44px, 4.6vw, 68px) 0; }
.section--alt { background: var(--bg-alt); }
.section--tint { background: var(--bg-alt); }

/* 深色区块：仅保留给需要的场合，默认不用 */

/* --------------------------------------------------------------- 文字工具 */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--y-700);
  margin-bottom: 16px;
}
.eyebrow::before {
  content: "";
  width: 24px; height: 3px;
  border-radius: 3px;
  background: var(--y-500);
}

.muted { color: var(--text-3); }
.small { font-size: .875rem; }

/* --------------------------------------------------------------- 按钮 */
.btn {
  --btn-bg: var(--y-500);
  --btn-fg: var(--ink-900);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 26px;
  border-radius: var(--r-full);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-weight: 700;
  font-size: .94rem;
  letter-spacing: .01em;
  isolation: isolate;
  overflow: hidden;
  white-space: nowrap;
  transition: transform var(--t) var(--e-spring),
              box-shadow var(--t) var(--e-out),
              color var(--t) var(--e-out),
              border-color var(--t) var(--e-out);
  box-shadow: 0 2px 8px -3px rgba(11, 21, 38, .18);
}
.btn > * { position: relative; z-index: 1; }
.btn::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(120deg, var(--y-400), var(--y-600));
  transform: translateY(101%);
  transition: transform .4s var(--e-out);
  z-index: 0;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--sh-yellow); }
.btn:hover::before { transform: translateY(0); }
.btn:active { transform: translateY(0) scale(.985); }

.btn .ico { width: 17px; height: 17px; flex: none; transition: transform var(--t) var(--e-out); }
.btn:hover .ico { transform: translateX(3px); }

.btn--dark { --btn-bg: var(--ink-900); --btn-fg: #fff; }
.btn--dark::before { background: linear-gradient(120deg, var(--ink-800), var(--ink-700)); }
.btn--dark:hover { box-shadow: 0 16px 32px -16px rgba(11, 21, 38, .6); }

.btn--ghost {
  --btn-bg: #fff;
  --btn-fg: var(--ink-900);
  border: 1.5px solid var(--line-strong);
  box-shadow: none;
}
.btn--ghost::before { background: var(--y-500); }
.btn--ghost:hover { border-color: var(--y-500); box-shadow: var(--sh-sm); }

.btn--sm { padding: 9px 18px; font-size: .875rem; }
.btn--lg { padding: 16px 34px; font-size: 1rem; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-weight: 700;
  font-size: .92rem;
  color: var(--ink-800);
  transition: color var(--t) var(--e-out);
}
.link-arrow .ico { width: 16px; height: 16px; transition: transform var(--t) var(--e-out); }
.link-arrow:hover { color: var(--y-700); }
.link-arrow:hover .ico { transform: translateX(4px); }

/* --------------------------------------------------------------- 图标 */
.ico {
  width: 20px; height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.ico--solid { fill: currentColor; stroke: none; }

/* --------------------------------------------------------------- 头部 */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 90;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background var(--t) var(--e-out),
              box-shadow var(--t) var(--e-out),
              height var(--t) var(--e-out),
              transform .4s var(--e-out);
}
.header__inner {
  width: 100%;
  max-width: var(--wrap-wide);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  gap: 24px;
}
.header.is-stuck {
  height: 64px;
  background: rgba(255, 255, 255, .88);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  backdrop-filter: saturate(180%) blur(16px);
  box-shadow: 0 1px 0 rgba(11, 21, 38, .06), 0 10px 28px -24px rgba(11, 21, 38, .5);
}

.brand { display: inline-flex; align-items: center; gap: 12px; flex: none; }
.brand__mark {
  width: 40px; height: 40px;
  transition: transform .5s var(--e-spring);
}
.brand:hover .brand__mark { transform: rotate(-8deg) scale(1.06); }
.brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.brand__cn {
  font-size: 1.1rem;
  font-weight: 900;
  letter-spacing: .12em;
  color: var(--ink-900);
}
.brand__en {
  font-size: .56rem;
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--text-3);
  text-transform: uppercase;
}

/* 首页首屏：头部为透明状态（背景本身是亮的，所以文字仍用深色） */
.header--transparent:not(.is-stuck) { background: transparent; }

.nav { margin-left: auto; }
.nav__list { display: flex; align-items: center; gap: 2px; }
.nav__link {
  position: relative;
  display: block;
  padding: 9px 15px;
  font-size: .94rem;
  font-weight: 600;
  color: var(--ink-800);
  border-radius: var(--r-full);
  transition: color var(--t) var(--e-out), background var(--t) var(--e-out);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 3px;
  width: 0; height: 3px;
  border-radius: 3px;
  background: var(--y-500);
  transform: translateX(-50%);
  transition: width var(--t) var(--e-out);
}
.nav__link:hover { color: var(--ink-900); }
.nav__link:hover::after { width: 22px; }
.nav__link[aria-current="page"] { color: var(--ink-900); font-weight: 800; }
.nav__link[aria-current="page"]::after { width: 22px; }

.header__cta { flex: none; }

.burger {
  display: none;
  width: 42px; height: 42px;
  border-radius: var(--r-md);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
  flex: none;
  transition: background var(--t) var(--e-out);
}
.burger span {
  display: block;
  width: 22px; height: 2px;
  border-radius: 2px;
  background: var(--ink-900);
  transition: transform var(--t) var(--e-out), opacity var(--t) var(--e-out);
}
.burger:hover { background: rgba(255, 198, 26, .2); }
body.nav-open .burger { position: relative; z-index: 91; background: transparent; }
body.nav-open .burger span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
body.nav-open .burger span:nth-child(2) { opacity: 0; }
body.nav-open .burger span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.drawer {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: var(--white);
  padding: calc(var(--header-h) + 22px) var(--gutter) 40px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
  clip-path: circle(0% at calc(100% - 44px) 36px);
  transition: clip-path .5s var(--e-in-out);
  visibility: hidden;
}
body.nav-open .drawer { clip-path: circle(150% at calc(100% - 44px) 36px); visibility: visible; }
.drawer__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 17px 6px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink-900);
  border-bottom: 1px solid var(--line);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .5s var(--e-out), transform .5s var(--e-out), color var(--t);
}
.drawer__link:hover { color: var(--y-700); }
.drawer__link .ico { width: 18px; height: 18px; color: var(--ink-300); }
body.nav-open .drawer__link { opacity: 1; transform: none; }
body.nav-open .drawer__link:nth-child(1) { transition-delay: .1s; }
body.nav-open .drawer__link:nth-child(2) { transition-delay: .15s; }
body.nav-open .drawer__link:nth-child(3) { transition-delay: .2s; }
body.nav-open .drawer__link:nth-child(4) { transition-delay: .25s; }
body.nav-open .drawer__link:nth-child(5) { transition-delay: .3s; }
.drawer__foot {
  margin-top: auto;
  padding-top: 28px;
  display: grid;
  gap: 14px;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .5s var(--e-out) .34s, transform .5s var(--e-out) .34s;
}
body.nav-open .drawer__foot { opacity: 1; transform: none; }
.drawer__contact { font-size: .92rem; color: var(--text-2); }
.drawer__contact b { color: var(--ink-900); font-size: 1.08rem; display: block; }

.progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0;
  z-index: 95;
  background: linear-gradient(90deg, var(--y-400), var(--y-600));
  transition: width .12s linear;
}

/* --------------------------------------------------------------- 主视觉（固定单图 · 明亮版） */
.hero {
  position: relative;
  min-height: clamp(600px, 78vh, 780px);
  display: flex;
  align-items: center;
  background: #fff;
  overflow: hidden;
  padding: clamp(60px, 6vw, 88px) 0 clamp(56px, 5.5vw, 84px);
  margin-top: var(--header-h);
  isolation: isolate;
}
.hero__bgwrap { position: absolute; inset: 0; z-index: -2; overflow: hidden; }
.hero__bg {
  position: absolute;
  inset: -6% 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.06);
  will-change: transform;
}
/* 高分屏桌面端加载 2 倍图，保证首屏大图清晰；小屏保持 1 倍图省流量 */
@media (min-width: 1025px) and (min-resolution: 1.8dppx) {
  .hero__bg[data-lqip="hero/hero-1"] {
    background-image: url("../img/hero/hero-1@2x.webp");
  }
}
.hero__bgwrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(96deg, rgba(255, 255, 255, .95) 0%, rgba(255, 255, 255, .84) 26%,
                    rgba(255, 255, 255, .52) 48%, rgba(255, 255, 255, .12) 72%,
                    rgba(255, 255, 255, 0) 100%),
    linear-gradient(180deg, rgba(255, 255, 255, .34) 0%, transparent 20%,
                    transparent 80%, rgba(255, 255, 255, .4) 100%);
}
.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
  align-items: center;
  gap: clamp(40px, 5.5vw, 96px);
}
.hero__copy { max-width: 660px; }
.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px 8px 13px;
  border-radius: var(--r-full);
  background: rgba(255, 255, 255, .92);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  border: 1px solid var(--y-300);
  color: var(--y-700);
  font-size: .82rem;
  font-weight: 700;
  margin-bottom: 26px;
  box-shadow: var(--sh-xs);
}
.hero__tag .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--y-500);
  animation: pulse 2.6s var(--e-out) infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 198, 26, .7); }
  70% { box-shadow: 0 0 0 10px rgba(255, 198, 26, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 198, 26, 0); }
}
.hero h1 {
  color: var(--ink-900);
  font-size: clamp(2.3rem, 1.2rem + 4vw, 4.2rem);
  line-height: 1.16;
  margin-bottom: 24px;
  letter-spacing: -.028em;
}
.hero h1 .line { display: block; overflow: hidden; }
.hero h1 .line > span {
  display: block;
  transform: translateY(105%);
  animation: line-up 1.05s var(--e-out) both;
}
.hero h1 .line:nth-child(1) > span { animation-delay: .14s; }
.hero h1 .line:nth-child(2) > span { animation-delay: .28s; }
@keyframes line-up { to { transform: translateY(0); } }
.hero h1 em { font-style: normal; position: relative; z-index: 1; }
.hero h1 em::after {
  content: "";
  position: absolute;
  left: -3px; right: -3px; bottom: .06em;
  height: .3em;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--y-300), var(--y-500));
  z-index: -1;
  transform-origin: left;
  animation: hl-in .95s var(--e-out) .8s both;
}
@keyframes hl-in { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.hero__sub {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: clamp(.95rem, .9rem + .3vw, 1.08rem);
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--ink-800);
  margin: 0 0 20px;
  opacity: 0;
  animation: fade-up .9s var(--e-out) .5s both;
}
.hero__sub::before {
  content: "";
  width: 30px; height: 3px;
  border-radius: 3px;
  background: var(--y-500);
  flex: none;
}
.hero__desc {
  color: var(--text-2);
  font-size: clamp(1rem, .95rem + .34vw, 1.14rem);
  line-height: 1.8;
  max-width: 580px;
  margin-bottom: 38px;
  opacity: 0;
  animation: fade-up .9s var(--e-out) .62s both;
}
@keyframes fade-up {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  opacity: 0;
  animation: fade-up .9s var(--e-out) .76s both;
}
.hero__panel {
  justify-self: end;
  width: 100%;
  max-width: 420px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(255, 255, 255, .58);
  border: 1px solid rgba(255, 255, 255, .75);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 0 30px 60px -30px rgba(11, 21, 38, .3);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  backdrop-filter: blur(14px) saturate(160%);
  opacity: 0;
  animation: fade-up .9s var(--e-out) .88s both;
}
.hero__stat {
  background: rgba(255, 255, 255, .72);
  padding: clamp(24px, 2.4vw, 34px) clamp(20px, 2vw, 28px);
  transition: background var(--t) var(--e-out);
}
.hero__stat:hover { background: rgba(255, 255, 255, .95); }
.hero__stat b {
  display: block;
  font-size: clamp(1.7rem, 1.3rem + 1.4vw, 2.4rem);
  font-weight: 900;
  color: var(--ink-900);
  line-height: 1;
  letter-spacing: -.025em;
  font-variant-numeric: tabular-nums;
}
.hero__stat span { display: block; margin-top: 10px; font-size: .84rem; color: var(--text-3); }

/* --------------------------------------------------------------- 品牌条 */
.partners {
  padding: 32px 0 38px;
  background: #fff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
/* 首页品牌条用固定高度统一 logo 大小，不再需要 JS 计算尺寸 */
.partners__label {
  text-align: center;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .16em;
  color: var(--text-3);
  margin-bottom: 20px;
  text-transform: uppercase;
}

/* --------------------------------------------------------------- 页头（内页） */
.pagehead {
  position: relative;
  padding: clamp(48px, 5vw, 76px) 0 clamp(46px, 4.6vw, 70px);
  margin-top: var(--header-h);
  background: #fff;
  overflow: hidden;
  isolation: isolate;
  border-bottom: 1px solid var(--line);
}
.pagehead__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-size: cover;
  background-position: center;
}
.pagehead::after {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(94deg, rgba(255, 255, 255, .95) 0%, rgba(255, 255, 255, .88) 30%,
                    rgba(255, 255, 255, .62) 54%, rgba(255, 255, 255, .2) 80%,
                    rgba(255, 255, 255, .03) 100%),
    linear-gradient(180deg, rgba(255, 255, 255, .34), transparent 45%);
}
.pagehead__rule {
  position: absolute;
  inset: 0;
  height: auto;
  z-index: -1;
  background-image:
    linear-gradient(rgba(11, 21, 38, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 21, 38, .05) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: linear-gradient(100deg, transparent 42%, #000 100%);
  -webkit-mask-image: linear-gradient(100deg, transparent 42%, #000 100%);
  pointer-events: none;
}
.pagehead h1 { color: var(--ink-900); margin-bottom: 14px; }
.pagehead p { color: var(--text-2); max-width: 760px; margin: 0; font-size: 1.02rem; }
.pagehead__inner { position: relative; z-index: 2; }

.crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  color: var(--text-3);
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.crumb a { transition: color var(--t); }
.crumb a:hover { color: var(--y-700); }
.crumb .sep { opacity: .5; }
.crumb [aria-current] { color: var(--y-700); font-weight: 700; }

/* --------------------------------------------------------------- 滚动动效 */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .75s var(--e-out), transform .75s var(--e-out);
  transition-delay: var(--d, 0s);
  will-change: opacity, transform;
}
[data-reveal="left"] { transform: translateX(-28px); }
[data-reveal="right"] { transform: translateX(28px); }
[data-reveal="zoom"] { transform: scale(.96); }
[data-reveal].is-in { opacity: 1; transform: none; }

/* --------------------------------------------------------------- 标题块 */
.blockhead { margin-bottom: clamp(28px, 3.2vw, 46px); max-width: 720px; }
.blockhead h2 { margin-bottom: 12px; }
.blockhead__desc { font-size: 1rem; color: var(--text-2); margin: 0; }
.blockhead--row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 26px;
  max-width: none;
}
.blockhead--row .btn { flex: none; margin-bottom: 4px; }

/* --------------------------------------------------------------- 能力：编号卡片 */
.pillars {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(16px, 1.8vw, 24px);
}
.pillar {
  position: relative;
  padding: clamp(24px, 2.4vw, 34px) clamp(20px, 2.2vw, 30px);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  transition: transform var(--t) var(--e-out), box-shadow var(--t) var(--e-out),
              border-color var(--t) var(--e-out);
}
.pillar:hover { transform: translateY(-6px); box-shadow: var(--sh-lg); border-color: var(--y-300); }
.pillar__no {
  display: block;
  font-size: .82rem;
  font-weight: 900;
  letter-spacing: .1em;
  color: var(--y-600);
  margin-bottom: 16px;
}
.pillar h3 { font-size: 1.08rem; margin-bottom: 9px; }
.pillar p { font-size: .92rem; margin: 0; }
.pillar::after {
  content: "";
  position: absolute;
  left: clamp(20px, 2.2vw, 30px); bottom: 0;
  width: 0; height: 3px;
  border-radius: 3px 3px 0 0;
  background: var(--y-500);
  transition: width .45s var(--e-out);
}
.pillar:hover::after { width: 40px; }

/* --------------------------------------------------------------- 行业方案卡 */
.scenegrid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(16px, 1.6vw, 22px);
}
.scene {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform var(--t) var(--e-out), box-shadow var(--t) var(--e-out),
              border-color var(--t) var(--e-out);
}
.scene:hover { transform: translateY(-6px); box-shadow: var(--sh-lg); border-color: var(--y-300); }
.scene__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--ink-50);
}
.scene__media img, .casecard__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity .65s var(--e-out), transform .65s var(--e-out);
  will-change: transform;
}
.scene__media img.is-loaded, .casecard__media img.is-loaded { opacity: 1; }
.scene:hover .scene__media img, .casecard:hover .casecard__media img { transform: scale(1.05); }
.scene__body { padding: 20px; flex: 1; }
.scene__tag {
  display: inline-block;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .04em;
  color: var(--y-700);
  background: var(--y-100);
  padding: 4px 11px;
  border-radius: var(--r-full);
  margin-bottom: 12px;
  line-height: 1.5;
}
.scene h3 { font-size: 1.02rem; margin-bottom: 7px; }
.scene p { font-size: .88rem; margin: 0; }

/* --------------------------------------------------------------- 案例卡 */
.casegrid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 2vw, 24px);
}
.casecard {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform var(--t) var(--e-out), box-shadow var(--t) var(--e-out),
              border-color var(--t) var(--e-out);
}
.casecard:hover { transform: translateY(-6px); box-shadow: var(--sh-lg); border-color: var(--y-300); }
.casecard__media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--ink-50);
}
.casecard__tag {
  position: absolute;
  top: 13px; left: 13px;
  z-index: 2;
  padding: 4px 12px;
  border-radius: var(--r-full);
  background: rgba(255, 255, 255, .95);
  font-size: .72rem;
  font-weight: 800;
  color: var(--ink-900);
  box-shadow: var(--sh-xs);
}
.casecard__body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.casecard__body h3 { font-size: 1.06rem; margin-bottom: 9px; }
.casecard__body p { font-size: .9rem; margin-bottom: 16px; }
.casecard__body .link-arrow { margin-top: auto; }

/* --------------------------------------------------------------- 数据带 */
.statband { padding: clamp(32px, 3.6vw, 52px) 0; background: #fff; }
.statband__inner {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  align-items: center;
  gap: clamp(26px, 3.6vw, 60px);
  padding: clamp(28px, 3.2vw, 46px) clamp(24px, 3vw, 50px);
  border-radius: var(--r-xl);
  background: linear-gradient(120deg, var(--y-100) 0%, var(--y-50) 55%, #fff 100%);
  border: 1px solid var(--y-200);
}
.statband__lead .eyebrow { margin-bottom: 10px; }
.statband__lead h2 { font-size: clamp(1.35rem, 1.1rem + 1vw, 1.8rem); margin-bottom: 9px; }
.statband__lead p { margin: 0; font-size: .94rem; }
.statband__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(14px, 1.6vw, 22px); }
.statband__item b {
  display: block;
  font-size: clamp(1.4rem, 1.1rem + 1.3vw, 2.05rem);
  font-weight: 900;
  color: var(--ink-900);
  line-height: 1;
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
}
.statband__item span { display: block; margin-top: 8px; font-size: .82rem; color: var(--text-2); }

/* --------------------------------------------------------------- 关于 + 五步 */
.aboutrow {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: clamp(32px, 4.6vw, 68px);
  align-items: start;
}
.aboutrow__copy h2 { margin-bottom: 16px; }
.aboutrow__copy .ticks { margin: 22px 0 28px; }
.aboutrow__steps {
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(22px, 2.4vw, 34px);
}
.aboutrow__stepstitle {
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 18px;
}
.steps { display: grid; gap: 2px; counter-reset: s; }
.steps li {
  position: relative;
  display: grid;
  grid-template-columns: 30px 1fr;
  align-items: baseline;
  gap: 2px 12px;
  padding: 13px 12px 13px 0;
  border-radius: var(--r-sm);
  transition: background var(--t) var(--e-out), padding-left var(--t) var(--e-out);
}
.steps li::before {
  counter-increment: s;
  content: counter(s, decimal-leading-zero);
  font-size: .76rem;
  font-weight: 900;
  color: var(--y-700);
  letter-spacing: .06em;
}
.steps li:hover { background: #fff; box-shadow: var(--sh-xs); }
.steps b { grid-column: 2; font-size: .96rem; color: var(--ink-900); }
.steps span { grid-column: 2; font-size: .86rem; }

/* --------------------------------------------------------------- 联系带（亮黄） */
.contactband { padding: clamp(18px, 2.4vw, 30px) 0 clamp(44px, 4.6vw, 68px); background: #fff; }
.contactband__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(22px, 3.6vw, 52px);
  flex-wrap: wrap;
  padding: clamp(30px, 3.4vw, 50px) clamp(26px, 3.2vw, 54px);
  border-radius: var(--r-xl);
  background: linear-gradient(120deg, var(--y-400) 0%, var(--y-500) 55%, var(--y-600) 100%);
  box-shadow: var(--sh-yellow);
}
.contactband__inner h2 {
  color: var(--ink-900);
  font-size: clamp(1.3rem, 1.05rem + 1.1vw, 1.85rem);
  margin-bottom: 9px;
}
.contactband__inner p { color: rgba(11, 21, 38, .76); margin: 0; max-width: 540px; font-size: .96rem; }
.contactband__actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.contactband__phone {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--ink-900);
  transition: transform var(--t) var(--e-spring);
}
.contactband__phone .ico { width: 19px; height: 19px; }
.contactband__phone:hover { transform: translateY(-2px); }

/* --------------------------------------------------------------- 卡片 */
.grid { display: grid; gap: clamp(16px, 1.8vw, 24px); }
.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)); }
.grid--auto { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

.card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(22px, 2.2vw, 32px);
  overflow: hidden;
  isolation: isolate;
  transition: transform var(--t) var(--e-out), box-shadow var(--t) var(--e-out),
              border-color var(--t) var(--e-out);
}
.card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--y-500);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .4s var(--e-out);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--sh-lg); border-color: var(--y-300); }
.card:hover::before { transform: scaleY(1); }

.card__icon {
  width: 50px; height: 50px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--y-100);
  color: var(--y-700);
  margin-bottom: 18px;
  transition: transform var(--t) var(--e-out);
}
.card__icon .ico { width: 24px; height: 24px; stroke-width: 1.7; }
.card:hover .card__icon { transform: scale(1.05); }
.card h3 { margin-bottom: 9px; }
.card p { margin-bottom: 0; font-size: .93rem; }
.card__num {
  position: absolute;
  top: 16px; right: 20px;
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
  color: var(--ink-50);
  z-index: -1;
  transition: color var(--t) var(--e-out);
}
.card:hover .card__num { color: var(--y-100); }

/* 带图卡片（内页通用） */
.mediacard {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform var(--t) var(--e-out), box-shadow var(--t) var(--e-out),
              border-color var(--t) var(--e-out);
}
.mediacard:hover { transform: translateY(-6px); box-shadow: var(--sh-lg); border-color: var(--y-300); }
.mediacard__media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--ink-50);
}
.mediacard__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity .65s var(--e-out), transform .65s var(--e-out);
  will-change: transform;
}
.mediacard__media img.is-loaded { opacity: 1; }
.mediacard:hover .mediacard__media img { transform: scale(1.05); }
.mediacard__badge {
  position: absolute;
  top: 13px; left: 13px;
  z-index: 2;
  padding: 4px 12px;
  border-radius: var(--r-full);
  background: rgba(255, 255, 255, .95);
  font-size: .72rem;
  font-weight: 800;
  color: var(--ink-900);
  box-shadow: var(--sh-xs);
}
.mediacard__body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.mediacard__body h3 { font-size: 1.08rem; margin-bottom: 9px; }
.mediacard__body p { font-size: .9rem; margin-bottom: 16px; }
.mediacard__body .link-arrow { margin-top: auto; }

/* --------------------------------------------------------------- 品牌墙 */
.brandwall { display: grid; grid-template-columns: repeat(auto-fill, minmax(155px, 1fr)); gap: 16px; }
.brandcard {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 3 / 2;
  padding: 30px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: transform var(--t) var(--e-out), box-shadow var(--t) var(--e-out),
              border-color var(--t) var(--e-out);
}
.brandcard img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform .38s var(--e-out);
  will-change: transform;
}
.brandcard:hover { transform: translateY(-5px); box-shadow: var(--sh-md); border-color: var(--y-300); }
.brandcard:hover img { transform: scale(1.06); }
.brandcard__name {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 7px 12px;
  font-size: .76rem;
  font-weight: 700;
  text-align: center;
  color: var(--ink-800);
  background: linear-gradient(180deg, transparent, rgba(255, 249, 230, .97) 45%);
  transform: translateY(100%);
  opacity: 0;
  transition: transform var(--t) var(--e-out), opacity var(--t) var(--e-out);
}
.brandcard:hover .brandcard__name { transform: none; opacity: 1; }

/* --------------------------------------------------------------- 品牌条
   首页用 4 列网格（不用横向滚动）：卡片够宽，锐捷这种 5.9:1 的宽 logo
   才有足够横向空间放大，同时所有 logo 视觉高度一致。 */
.brandstrip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

/* 每个品牌一个卡片。
   关键：logo 只给高度、宽度自动按原图比例 —— 所有 logo 视觉高度一致，
   宽度各自不同，既不会被拉伸变形，也不会溢出卡片。
   刻意不用 JS 写像素尺寸：内联 width/height 会让 max-width/max-height 失效，
   结果就是 logo 撑出卡片被裁切（曾经真的出现过）。
   宽度兜底用 max-width，最高的那个受宽度限制时也不会破版。 */
.marquee__item {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 132px;
  padding: 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: border-color var(--t), box-shadow var(--t);
  overflow: hidden;
}
.marquee__item img {
  height: 56px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  transition: transform .38s var(--e-out);
}
.marquee__item:hover { border-color: var(--y-300); box-shadow: var(--sh-sm); }
.marquee__item:hover img { transform: scale(1.06); }

/* --------------------------------------------------------------- 数据条（内页） */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 1px;
  background: var(--ink-100);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.stat {
  background: #fff;
  padding: clamp(24px, 2.6vw, 38px) clamp(16px, 1.8vw, 28px);
  text-align: center;
  position: relative;
  transition: background var(--t) var(--e-out);
}
.stat:hover { background: var(--y-50); }
.stat b {
  display: block;
  font-size: clamp(1.8rem, 1.4rem + 1.6vw, 2.6rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--ink-900);
  font-variant-numeric: tabular-nums;
}
.stat b .unit { font-size: .5em; color: var(--y-600); margin-left: 2px; }
.stat span { display: block; margin-top: 9px; font-size: .88rem; color: var(--text-2); }

/* --------------------------------------------------------------- 时间线 */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 6px; top: 8px; bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--y-400), var(--y-100));
  border-radius: 2px;
}
.tl-item { position: relative; padding-bottom: 26px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: "";
  position: absolute;
  left: -32px; top: 8px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--y-500);
  transition: transform var(--t) var(--e-spring), box-shadow var(--t);
}
.tl-item:hover::before { transform: scale(1.18); box-shadow: 0 0 0 5px rgba(255, 198, 26, .2); }
.tl-item b {
  display: inline-block;
  font-size: .82rem;
  font-weight: 900;
  color: var(--y-700);
  letter-spacing: .05em;
  margin-bottom: 3px;
}
.tl-item p { margin: 0; font-size: .93rem; }

/* --------------------------------------------------------------- 手风琴 */
.acc { border-top: 1px solid var(--line); }
.acc__item { border-bottom: 1px solid var(--line); }
.acc__btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 4px;
  text-align: left;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--ink-900);
  transition: color var(--t), padding-left var(--t) var(--e-out);
}
.acc__btn:hover { color: var(--y-700); padding-left: 10px; }
.acc__btn .idx {
  flex: none;
  width: 32px; height: 32px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: .78rem;
  font-weight: 900;
  color: var(--y-700);
  background: var(--y-100);
  transition: background var(--t), color var(--t), transform var(--t) var(--e-spring);
}
.acc__item.is-open .acc__btn .idx { background: var(--y-500); color: var(--ink-900); transform: rotate(-4deg); }
.acc__btn .ico.chev {
  margin-left: auto;
  flex: none;
  width: 19px; height: 19px;
  color: var(--ink-300);
  transition: transform var(--t) var(--e-out), color var(--t);
}
.acc__item.is-open .acc__btn .ico.chev { transform: rotate(180deg); color: var(--y-600); }
.acc__panel { overflow: hidden; height: 0; transition: height .42s var(--e-out); }
.acc__panel > div { padding: 0 4px 24px 48px; }
.acc__panel p:last-child { margin-bottom: 0; }

/* --------------------------------------------------------------- 筛选 */
.filters { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: clamp(24px, 2.8vw, 40px); }
.chip {
  padding: 9px 20px;
  border-radius: var(--r-full);
  border: 1.5px solid var(--line-strong);
  background: #fff;
  font-size: .88rem;
  font-weight: 700;
  color: var(--text-2);
  transition: all var(--t) var(--e-out);
}
.chip:hover { border-color: var(--y-400); color: var(--ink-900); transform: translateY(-2px); }
.chip.is-active {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: #fff;
  box-shadow: var(--sh-md);
}
.chip small { opacity: .55; margin-left: 6px; font-weight: 600; }

.filter-item { transition: opacity .38s var(--e-out), transform .38s var(--e-out); }
.filter-item.is-hidden { opacity: 0; transform: scale(.95); pointer-events: none; }

/* --------------------------------------------------------------- 证书卡 */
.certcard {
  display: block;
  width: 100%;
  text-align: left;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 13px;
  transition: transform var(--t) var(--e-out), box-shadow var(--t) var(--e-out),
              border-color var(--t) var(--e-out);
}
.certcard:hover { transform: translateY(-6px); box-shadow: var(--sh-lg); border-color: var(--y-300); }
.certcard__frame {
  position: relative;
  aspect-ratio: 3 / 4;
  border-radius: var(--r-sm);
  overflow: hidden;
  background: var(--ink-50);
  display: grid;
  place-items: center;
}
.certcard__frame img {
  width: 100%; height: 100%;
  object-fit: contain;
  opacity: 0;
  transition: opacity .55s var(--e-out), transform .6s var(--e-out);
}
.certcard__frame img.is-loaded { opacity: 1; }
.certcard:hover .certcard__frame img { transform: scale(1.03); }
.certcard__title { margin-top: 12px; font-size: .93rem; font-weight: 800; color: var(--ink-900); }
.certcard__meta { font-size: .78rem; color: var(--text-3); }
.certcard__tag {
  position: absolute;
  top: 20px; left: 20px;
  z-index: 2;
  padding: 3px 11px;
  border-radius: var(--r-full);
  background: var(--y-500);
  color: var(--ink-900);
  font-size: .7rem;
  font-weight: 900;
  box-shadow: var(--sh-sm);
}

/* --------------------------------------------------------------- 灯箱 */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  place-items: center;
  padding: clamp(16px, 4vw, 54px);
  background: rgba(10, 21, 38, .92);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .32s var(--e-out), visibility .32s;
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox__panel {
  position: relative;
  max-width: min(1080px, 100%);
  max-height: 100%;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transform: translateY(20px) scale(.97);
  transition: transform .42s var(--e-spring);
}
.lightbox.is-open .lightbox__panel { transform: none; }
.lightbox__imgwrap {
  background: #fff;
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow: var(--sh-lg);
  display: grid;
  place-items: center;
  max-height: calc(100vh - 180px);
}
.lightbox__imgwrap img {
  max-width: 100%;
  max-height: calc(100vh - 180px);
  object-fit: contain;
}
.lightbox__bar { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; color: #fff; }
.lightbox__bar h3 { color: #fff; font-size: 1.02rem; margin: 0; }
.lightbox__bar p { margin: 0; font-size: .84rem; color: rgba(200, 214, 232, .78); }
.lightbox__nav { margin-left: auto; display: flex; gap: 9px; }
.lightbox__iconbtn {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, .12);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .18);
  transition: background var(--t), transform var(--t) var(--e-spring), color var(--t);
}
.lightbox__iconbtn:hover { background: var(--y-500); color: var(--ink-900); transform: scale(1.08); }
.lightbox__close { position: absolute; top: -6px; right: 0; transform: translateY(-100%); }

/* --------------------------------------------------------------- 表单 */
.form { display: grid; gap: 16px; }
.form__row { display: grid; gap: 16px; grid-template-columns: 1fr 1fr; }
.field label {
  display: block;
  font-size: .8rem;
  font-weight: 700;
  color: var(--ink-800);
  margin-bottom: 6px;
}
.field .req { color: #d9482c; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 12px 15px;
  border-radius: var(--r-sm);
  border: 1.5px solid var(--line-strong);
  background: #fff;
  font-size: .94rem;
  transition: border-color var(--t), box-shadow var(--t), background var(--t);
}
.field textarea { min-height: 126px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--y-400);
  box-shadow: 0 0 0 3px rgba(255, 193, 7, .3);
}
.field.is-error input, .field.is-error select, .field.is-error textarea {
  border-color: #dc5033;
  background: #fff8f6;
}
.field__err {
  display: block;
  min-height: 17px;
  margin-top: 4px;
  font-size: .76rem;
  color: #c9432a;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity var(--t), transform var(--t);
}
.field.is-error .field__err { opacity: 1; transform: none; }
.form__note { font-size: .8rem; color: var(--text-3); margin: 0; }
.form__ok {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 15px 18px;
  border-radius: var(--r-md);
  background: var(--y-100);
  border: 1px solid var(--y-300);
  color: var(--ink-900);
  font-weight: 600;
  font-size: .9rem;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity .4s var(--e-out), transform .4s var(--e-out);
}
.form__ok.is-show { opacity: 1; transform: none; }
.form__ok .ico { color: var(--y-700); flex: none; }
.form button[type="submit"] { justify-self: start; }

/* --------------------------------------------------------------- 信息块 */
.infoblock {
  display: flex;
  gap: 14px;
  padding: 20px;
  border-radius: var(--r-md);
  background: #fff;
  border: 1px solid var(--line);
  transition: transform var(--t) var(--e-out), box-shadow var(--t) var(--e-out),
              border-color var(--t);
}
.infoblock:hover { transform: translateY(-4px); box-shadow: var(--sh-md); border-color: var(--y-300); }
.infoblock__ico {
  flex: none;
  width: 44px; height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--y-100);
  color: var(--y-700);
}
.infoblock__ico .ico { width: 20px; height: 20px; }
.infoblock b { display: block; color: var(--ink-900); font-size: .95rem; margin-bottom: 2px; }
.infoblock span, .infoblock a { font-size: .9rem; color: var(--text-2); line-height: 1.6; }
.infoblock a:hover { color: var(--y-700); }

/* --------------------------------------------------------------- CTA 卡片（内页） */
.cta {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  padding: clamp(34px, 4vw, 62px);
  background: linear-gradient(120deg, var(--y-100) 0%, var(--y-50) 55%, #fff 100%);
  border: 1px solid var(--y-200);
  isolation: isolate;
}
.cta__bg { position: absolute; inset: 0; z-index: -2; background-size: cover; background-position: center right; opacity: .16; }
.cta::after {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(100deg, rgba(255, 253, 246, .96) 0%, rgba(255, 253, 246, .8) 50%, rgba(255, 253, 246, .3) 100%);
}
.cta h2 { color: var(--ink-900); margin-bottom: 12px; }
.cta p { color: var(--text-2); max-width: 560px; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 26px; }
.cta__inner { position: relative; z-index: 2; }

/* 深色区域里的 CTA 变体（保留兼容） */

/* --------------------------------------------------------------- 页脚 */
.footer {
  position: relative;
  background: var(--ink-950);
  color: #9fb0c9;
  padding: clamp(48px, 5vw, 76px) 0 0;
  overflow: hidden;
}
.footer::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--y-500), var(--y-600) 32%, transparent 78%);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
  gap: clamp(26px, 3.6vw, 52px);
  padding-bottom: clamp(36px, 3.6vw, 56px);
}
.footer__brand { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer__brand .brand__cn { color: #fff; }
.footer__brand .brand__en { color: rgba(255, 255, 255, .45); }
.footer p { color: #9aabc4; font-size: .9rem; }
.footer h4 {
  color: #fff;
  font-size: .92rem;
  letter-spacing: .04em;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 11px;
}
.footer h4::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 24px; height: 2px;
  background: var(--y-500);
  border-radius: 2px;
  transition: width var(--t) var(--e-out);
}
.footer__col:hover h4::after { width: 40px; }
.footer__links { display: grid; gap: 10px; }
.footer__links a {
  font-size: .9rem;
  color: #9fb0c9;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color var(--t), transform var(--t) var(--e-out);
}
.footer__links a::before {
  content: "";
  width: 0; height: 1px;
  background: var(--y-500);
  transition: width var(--t) var(--e-out);
}
.footer__links a:hover { color: var(--y-400); transform: translateX(3px); }
.footer__links a:hover::before { width: 12px; }
.footer__contact { display: grid; gap: 13px; }
.footer__contact li { display: flex; gap: 11px; font-size: .9rem; }
.footer__contact .ico { width: 17px; height: 17px; color: var(--y-500); flex: none; margin-top: 4px; }
.footer__contact a:hover { color: var(--y-400); }
.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 20px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  align-items: center;
  justify-content: space-between;
  font-size: .82rem;
  color: #8595ad;
}
.footer__bottom a:hover { color: var(--y-400); }

/* --------------------------------------------------------------- 回到顶部 */
.totop {
  position: fixed;
  right: 20px; bottom: 20px;
  z-index: 70;
  width: 46px; height: 46px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--y-500);
  color: var(--ink-900);
  box-shadow: var(--sh-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px) scale(.9);
  transition: all var(--t) var(--e-spring);
}
.totop.is-show { opacity: 1; visibility: visible; transform: none; }
.totop:hover { transform: translateY(-3px) scale(1.06); box-shadow: var(--sh-yellow); }

/* --------------------------------------------------------------- 小组件 */
.badge-list { display: flex; flex-wrap: wrap; gap: 9px; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 15px;
  border-radius: var(--r-full);
  background: var(--y-50);
  border: 1px solid var(--y-200);
  font-size: .82rem;
  font-weight: 700;
  color: var(--ink-800);
  transition: all var(--t) var(--e-out);
}
.badge:hover { background: var(--y-500); border-color: var(--y-500); transform: translateY(-2px); }
.badge .ico { width: 15px; height: 15px; color: var(--y-700); }
.badge:hover .ico { color: var(--ink-900); }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(30px, 4.4vw, 66px);
  align-items: center;
}
.split--wide-left { grid-template-columns: 1.12fr .88fr; }

.figure {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--sh-lg);
  background: var(--ink-50);
  background-size: cover;
  background-position: center;
}
.figure img { width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity .65s var(--e-out); }
.figure img.is-loaded { opacity: 1; }

.ticks { display: grid; gap: 13px; }
.ticks li { display: flex; gap: 11px; align-items: flex-start; font-size: .94rem; color: var(--text-2); }
.ticks .ico {
  flex: none;
  width: 21px; height: 21px;
  padding: 3px;
  border-radius: 50%;
  background: var(--y-100);
  color: var(--y-700);
  margin-top: 3px;
}

.flow { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 20px; counter-reset: f; }
.flow__item {
  position: relative;
  padding: 26px 20px;
  border-radius: var(--r-md);
  background: #fff;
  border: 1px solid var(--line);
  transition: transform var(--t) var(--e-out), box-shadow var(--t), border-color var(--t);
}
.flow__item:hover { transform: translateY(-5px); box-shadow: var(--sh-md); border-color: var(--y-300); }
.flow__item::before {
  counter-increment: f;
  content: "0" counter(f);
  display: block;
  font-size: .95rem;
  font-weight: 900;
  color: var(--y-600);
  margin-bottom: 11px;
  letter-spacing: .06em;
}
.flow__item b { display: block; color: var(--ink-900); margin-bottom: 7px; }
.flow__item p { font-size: .88rem; margin: 0; }

.skip {
  position: absolute;
  left: 50%; top: -60px;
  transform: translateX(-50%);
  z-index: 200;
  background: var(--y-500);
  color: var(--ink-900);
  padding: 10px 22px;
  border-radius: 0 0 var(--r-md) var(--r-md);
  font-weight: 800;
  transition: top var(--t) var(--e-out);
}
.skip:focus { top: 0; }

/* --------------------------------------------------------------- 响应式 */
@media (max-width: 1120px) {
  .pillars { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .scenegrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .statband__inner { grid-template-columns: 1fr; gap: 26px; }
}

@media (max-width: 1080px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero { margin-top: 0; padding-top: calc(var(--header-h) + 40px); min-height: auto; }
  .hero__inner { grid-template-columns: 1fr; gap: 34px; }
  .hero__panel { justify-self: start; max-width: none; }
  .hero__bgwrap::after {
    background:
      linear-gradient(180deg, rgba(255, 255, 255, .93) 0%, rgba(255, 255, 255, .82) 44%,
                      rgba(255, 255, 255, .66) 100%),
      linear-gradient(96deg, rgba(255, 255, 255, .72) 0%, rgba(255, 255, 255, .14) 100%);
  }
}

@media (max-width: 960px) {
  :root { --header-h: 66px; }
  .nav, .header__cta { display: none; }
  .burger { display: flex; }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .casegrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  /* 品牌条：窄屏两列，卡片变窄后 logo 同比缩小，避免宽 logo 被压得太扁 */
  .brandstrip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .marquee__item { height: 116px; }
  .marquee__item img { height: 48px; }
  .split, .split--wide-left, .aboutrow { grid-template-columns: 1fr; }
  .split > div[data-reveal="right"] { order: -1; }
  .pagehead { margin-top: 0; padding-top: calc(var(--header-h) + 32px); }
  .hero { padding-top: calc(var(--header-h) + 32px); padding-bottom: 52px; }
  .form__row { grid-template-columns: 1fr; }
  .blockhead--row { flex-direction: column; align-items: flex-start; }
  .statband__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .acc__panel > div { padding-left: 4px; }
}

@media (max-width: 640px) {
  body { font-size: 15.5px; }
  :root { --gutter: 18px; }
  .grid--2, .grid--3, .grid--4, .scenegrid, .casegrid, .pillars { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .brandwall { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats, .statband__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero__panel { grid-template-columns: 1fr 1fr; max-width: none; }
  .hero__stat { padding: 20px 16px; }
  .marquee__item { height: 100px; padding: 14px; }
  .marquee__item img { height: 40px; }
  .lightbox__close { top: 0; right: 0; transform: translateY(-110%); }
  .section { padding: 54px 0; }
  .contactband__inner { flex-direction: column; align-items: flex-start; }
}

/* 小屏手机：卡片只有 ~170px 宽，logo 高度要跟着降，
   否则锐捷这类宽 logo 会被宽度限制压得过扁 */
@media (max-width: 480px) {
  .marquee__item { height: 86px; padding: 12px; }
  .marquee__item img { height: 32px; }
}

/* --------------------------------------------------------------- 无障碍 */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  .hero__bg { transform: none !important; }
  .marquee__track { animation: none; }
}

@media print {
  .header, .drawer, .totop, .progress { display: none !important; }
  body { color: #000; }
  .hero, .pagehead { background: #fff !important; }
  .hero__bg, .pagehead__bg { display: none !important; }
}