/* =====================================================================
   hero-fluid.css — ICC・AI短视频创意中心 · 流体特效首页
   依赖 styles.css 的 :root 变量（--red / --header-height / --gutter）
   ===================================================================== */

/* ---------------- 首屏流体区块 ---------------- */
.fluid-hero {
  position: relative;
  isolation: isolate;
  height: calc(100svh - var(--header-height));
  min-height: 620px;
  background: #000;
  color: #fff;
  overflow: hidden;
  display: flex;
  align-items: center;
  /* background-image: url('/assets/hero-fluid-bg.jpg');
  background-size: cover;
  background-position: right; */
}
#gl {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 2;
  opacity: 0.7;
}
.platform-bg{
  position: absolute;
  z-index: 1;
  right: 0;
}
.fluid-hero-copy {
  position: relative;
  z-index: 99;
  width: 100%;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
  /*max-width: 980px;*/
  pointer-events: none;
}
.fluid-hero-copy .eyebrow {
  font-size: 12px;
  letter-spacing: 0.32em;
  color: #ef655b;
  font-weight: 800;
  margin-bottom: 26px;
  text-transform: uppercase;
}
.fluid-hero h1 {
  font-size: clamp(44px, 6.6vw, 96px);
  line-height: 1.04;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
}
.fluid-hero h1 .l1,
.fluid-hero h1 .l2 { display: block; opacity: 0; }
.fluid-hero h1 .l1 { animation: fh-rise 1s cubic-bezier(.22, 1, .36, 1) .35s forwards; }
.fluid-hero h1 .l2 { animation: fh-rise 1s cubic-bezier(.22, 1, .36, 1) .5s forwards; }
.fluid-hero h1 .accent { color: #ef655b; }
@keyframes fh-rise {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fluid-hero-sub {
  margin-top: 26px;
  font-size: 15px;
  line-height: 1.9;
  color: #b9b9b6;
  max-width: 46ch;
  opacity: 0;
  animation: fh-rise 1s cubic-bezier(.22, 1, .36, 1) .75s forwards;
}

/* ---------------- 数据数字动效 ---------------- */
.fluid-hero-stats {
  display: flex;
  gap: clamp(28px, 5vw, 72px);
  margin-top: 44px;
  padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, .16);
  opacity: 0;
  animation: fh-rise 1s cubic-bezier(.22, 1, .36, 1) .95s forwards;
}
.fluid-hero-stats .stat { display: grid; gap: 7px; }
.stat-num {
  font-size: clamp(30px, 3.6vw, 52px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  color: #fff;
  font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}
.fluid-hero-stats .stat > span {
  font-size: 12px;
  color: #8f8f8c;
  letter-spacing: 0.18em;
}

/* ---------------- 首屏按钮 ---------------- */
.fluid-hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 42px;
  pointer-events: auto;
  opacity: 0;
  animation: fh-rise 1s cubic-bezier(.22, 1, .36, 1) 1.15s forwards;
}
.fluid-hero-actions .button { background: var(--red); }
.fluid-hero-actions .button:hover { background: #a51f17; }
.fluid-hero-actions .button.ghost {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .35);
}
.fluid-hero-actions .button.ghost:hover {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .7);
}

/* ---------------- 头部在流体首页上的黑色态 ---------------- */
body.has-fluid-hero:not(.past-hero) .header {
  background: #0a0a0a;
  border-bottom-color: rgba(255, 255, 255, .12);
  backdrop-filter: none;
}
body.has-fluid-hero:not(.past-hero) .brand-name,
body.has-fluid-hero:not(.past-hero) .header nav a { color: #fff; }
body.has-fluid-hero:not(.past-hero) .brand-name > span { color: rgba(255, 255, 255, .6); }
body.has-fluid-hero:not(.past-hero) .menu-toggle { color: #fff; }
.header { transition: background .45s ease, border-color .45s ease; }

/* 移动端展开菜单在首页也用黑底 */
@media (max-width: 900px) {
  body.has-fluid-hero:not(.past-hero) .header nav {
    background: #0a0a0a;
    border-bottom-color: rgba(255, 255, 255, .12);
  }
}

/* ---------------- 当前菜单高亮 ---------------- */
.header nav a[aria-current="page"] { color: var(--red); }
body.has-fluid-hero:not(.past-hero) .header nav a[aria-current="page"] { color: #ef655b; }

/* ---------------- 移动端 ---------------- */
@media (max-width: 900px) {
  .fluid-hero { min-height: 560px; }
  .fluid-hero-stats { flex-wrap: wrap; gap: 22px 36px; }
  /* 手机端：背景图全屏铺满整个首屏 */
  .platform-bg {
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
  }
}
@media (max-width: 650px) {
  .fluid-hero { height: auto; min-height: 100svh; padding: 84px 0 64px; align-items: center; }
  .fluid-hero-sub br { display: none; }
  .fluid-hero-stats { margin-top: 34px; }
  .fluid-hero-actions .button { width: 100%; justify-content: space-between; }
}
@media (prefers-reduced-motion: reduce) {
  .fluid-hero h1 .l1, .fluid-hero h1 .l2, .fluid-hero-sub,
  .fluid-hero-stats, .fluid-hero-actions {
    animation-duration: .01s; animation-delay: 0s;
  }
}

/* ---------------- 为您提供 ---------------- */
.services { padding-top: 72px; padding-bottom: 80px; }
.services .section-heading { margin-bottom: 48px; }
.services .section-heading p { max-width: 46ch; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.service-card {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 36px 32px 34px;
  background: #fff;
  display: flex;
  flex-direction: column;
}

.service-card__head {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  margin-bottom: 22px;
}

.service-number {
  font-size: 28px;
  font-weight: 800;
  line-height: 1;
  color: var(--red);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  border-top: 2px solid var(--red);
  padding-top: 12px;
}

.service-card__head h3 {
  font-size: 22px;
  font-weight: 800;
  line-height: 1.35;
  margin: 14px 0 8px;
  color: var(--ink);
}

.service-tagline {
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
  margin: 0;
  font-style: italic;
}

.service-body {
  font-size: 13px;
  line-height: 1.85;
  color: #555;
  margin: 0 0 22px;
}

.service-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.service-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.service-list li b {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
}
.service-list li b::before {
  content: "";
  width: 14px;
  height: 1px;
  background: var(--red);
  flex-shrink: 0;
}
.service-list li span {
  font-size: 12px;
  line-height: 1.7;
  color: #777;
  padding-left: 22px;
}

/* 证书入口：默认不展示证书本体，仅提供打开大图的链接 */
.cert-entry {
  font-size: 13px;
  /* display: flex;
  align-items: center;
  gap: 14px;
  margin: 26px 0 0;
  padding: 16px 18px;
  background: var(--soft);
  border: 1px solid var(--line);
  border-left: 3px solid var(--red);
  color: var(--ink);
  text-decoration: none;
  transition: background .25s ease, border-color .25s ease, transform .25s ease; */
}
.cert-entry__icon {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 700;
  color: var(--red);
  background: #fff;
  border: 1px solid var(--line);
}
.cert-entry__text {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
  line-height: 1.4;
}
.cert-entry__text b {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--ink);
}
.cert-entry__text em {
  font-style: normal;
  font-size: 12px;
  color: var(--muted);
}
.cert-entry__arrow {
  flex: 0 0 auto;
  font-size: 18px;
  color: var(--ink);
  transition: color .25s ease, transform .25s ease;
}
@media (hover: hover) {
  .cert-entry:hover {
    background: #fff;
    border-color: var(--red);
  }
  .cert-entry:hover .cert-entry__arrow { color: var(--red); transform: translate(2px, -2px); }
}
.cert-entry:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 2px;
}

/* 01 卡片专用：列表 + 证书缩略图 左右分栏 */
.service-card__split {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 26px;
  align-items: start;
  /* margin-top: 24px; */
}
.service-card__split .service-list { margin: 0; }
.service-card__visual {
  /* margin: 0; */
  max-width: 190px;
  padding: 12px;
  background: var(--soft);
  border: 1px solid var(--line);
}
.service-card__visual .cert-thumb {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  cursor: zoom-in;
}
.service-card__visual .cert-thumb img {
  width: 100%;
  height: auto;
  display: block;
  background: #fff;
  border: 1px solid var(--line);
}
.service-card__visual .cert-thumb .cert-zoom {
  position: absolute;
  right: 10px;
  bottom: 10px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 11px;
  background: rgba(10, 10, 10, .85);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  border-radius: 3px;
  transition: background .25s ease;
}
@media (hover: hover) {
  .service-card__visual .cert-thumb:hover .cert-zoom { background: var(--red); }
}
@media (max-width: 760px) {
  .service-card__split { grid-template-columns: 1fr; gap: 18px; }
  .service-card__split .service-card__visual { order: -1; }
}

/* 证书大图 lightbox 弹窗 */
.lightbox {
  position: relative;
  border: 0;
  padding: 0;
  background: transparent;
  width: auto;
  max-width: min(920px, 94vw);
  box-shadow: none;
}
.lightbox img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 86vh;
  object-fit: contain;
  background: #fff;
  border: 1px solid rgba(255, 255, 255, .2);
}
.lightbox::backdrop {
  background: rgba(8, 8, 8, .9);
  backdrop-filter: blur(6px);
}
.lightbox .close-dialog {
  position: absolute;
  /* top: -18px;
  right: -18px; */
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  background: #fff;
  color: var(--ink);
  border-radius: 50%;
  font-size: 22px;
  line-height: 1;
  box-shadow: 0 6px 20px rgba(0, 0, 0, .35);
  border: 1px solid var(--line);
}
.lightbox .close-dialog:hover { color: var(--red); }
@media (max-width: 650px) {
  .lightbox .close-dialog { 
    /* top: -14px; right: -10px;  */
    width: 36px; height: 36px; font-size: 20px; }
}

/* ---------------- 服务承诺区 ---------------- */
.services-commit {
  margin-top: 64px;
  padding-top: 28px;
}
.services-commit .section-kicker {
  margin-bottom: 26px;
}
.services-commit__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--ink);
}
.commit-item {
  padding: 26px 28px 30px 0;
  border-right: 1px solid var(--line);
}
.commit-item:last-child { border-right: 0; padding-right: 0; }
.commit-item:not(:first-child) { padding-left: 28px; }
.commit-number {
  display: inline-block;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  color: var(--red);
  border: 1px solid var(--red);
  padding: 4px 8px;
  margin-bottom: 18px;
}
.commit-item h4 {
  font-size: 19px;
  font-weight: 800;
  margin: 0 0 10px;
}
.commit-item p {
  font-size: 13px;
  line-height: 1.85;
  color: #666;
  margin: 0;
}

/* ---------------- CTA ---------------- */
.services-cta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  margin-top: 56px;
  padding: 46px 3.2vw;
  background: #111;
  color: #fff;
}
.services-cta div > span {
  display: block;
  font-size: 9px;
  letter-spacing: 1px;
  font-weight: 800;
  color: #ef655b;
  margin-bottom: 10px;
}
.services-cta h3 {
  font-size: 30px;
  font-weight: 800;
  line-height: 1.25;
  margin: 0;
}
.services-cta p {
  font-size: 12px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .6);
  margin: 12px 0 0;
  max-width: 38ch;
}

@media (max-width: 1100px) {
  .service-card { padding: 30px 26px; }
  .service-card__head { grid-template-columns: 54px minmax(0, 1fr); gap: 14px; }
  .service-number { font-size: 24px; }
  .service-card__head h3 { font-size: 19px; }
  .commit-item { padding: 22px 0; }
  .commit-item:not(:first-child) { padding-left: 22px; }
  .commit-item:not(:last-child) { padding-right: 22px; }
  .services-cta h3 { font-size: 24px; }
}
@media (max-width: 900px) {
  .services-grid { grid-template-columns: 1fr; }
  .service-card { padding: 32px 26px; }
  .service-card__head { grid-template-columns: 56px minmax(0, 1fr); gap: 16px; }
  .service-card__head h3 { font-size: 21px; }
  .services-commit__grid { grid-template-columns: 1fr; }
  .commit-item {
    padding: 22px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .commit-item:not(:first-child) { padding-left: 0; }
  .commit-item:last-child { border-bottom: 0; }
}
@media (max-width: 650px) {
  .services { padding-top: 52px; padding-bottom: 56px; }
  .services-commit { margin-top: 48px; }
  .services-cta {
    flex-direction: column;
    align-items: flex-start;
    padding: 30px 24px;
    margin-top: 40px;
  }
  .services-cta .button { width: 100%; justify-content: space-between; }
}

/* =====================================================================
   关于 ICC 页面顶部 Hero
   ===================================================================== */
.about-hero {
  position: relative;
  isolation: isolate;
  min-height: 350px;
  height: 350px;
  background: #111;
  color: #fff;
  display: flex;
  /* align-items: center; */
  padding-top: var(--header-height);
  overflow: hidden;
}
.about-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.about-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 70% center;
}
.about-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10,10,11,.94) 0%, rgba(10,10,11,.78) 38%, rgba(10,10,11,.22) 70%, rgba(10,10,11,.05) 100%);
}
.about-hero__copy {
  position: relative;
  z-index: 2;
  width: 100%;
  /* max-width: 760px; */
  padding-left: var(--gutter);
  padding-right: var(--gutter);
  /* padding-top: 28px; */
}
.about-hero__kicker {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.about-hero__kicker span:first-child {
  color: var(--red);
  font-weight: 800;
}
.about-hero__kicker span + span {
  color: rgba(255,255,255,.75);
}
.about-hero__kicker span + span::before {
  content: "";
  display: inline-block;
  vertical-align: middle;
  width: 22px;
  height: 1px;
  background: rgba(255,255,255,.35);
  margin-right: 16px;
}
.about-hero h1 {
  font-size: clamp(36px, 4.2vw, 54px);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: 0;
  margin: 0 0 14px;
  color: #fff;
}
.about-hero h1 .accent {
  color: var(--red);
}
.about-hero__copy > p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,.82);
  margin: 0;
  max-width: 520px;
}

@media (max-width: 900px) {
  .about-hero {
    min-height: 320px;
    height: auto;
    padding-top: var(--header-height);
    padding-bottom: 40px;
  }
  .about-hero__bg img {
    object-position: 62% center;
  }
  .about-hero__copy {
    padding-top: 18px;
  }
  .about-hero__kicker {
    font-size: 9px;
    gap: 12px;
    margin-bottom: 22px;
  }
  .about-hero__kicker span + span::before {
    width: 14px;
    margin-right: 10px;
  }
  .about-hero__copy > p {
    font-size: 14px;
  }
}

@media (max-width: 650px) {
  .about-hero {
    min-height: 300px;
    padding-bottom: 32px;
  }
  .about-hero__bg::after {
    background: linear-gradient(90deg, rgba(10,10,11,.96) 0%, rgba(10,10,11,.85) 55%, rgba(10,10,11,.5) 100%);
  }
  .about-hero h1 {
    font-size: clamp(34px, 9vw, 46px);
  }
  .about-hero__copy > p {
    font-size: 13px;
    line-height: 1.8;
  }
}

/* 复用 about-hero 结构的工作 / 为您提供 / 如何加入 Hero */
.work-hero .about-hero__bg img { object-position: 62% center; }
.services-hero .about-hero__bg img { object-position: 70% center; }
.join-hero .about-hero__bg img { object-position: 55% center; }
.forum30-hero .about-hero__bg img { object-position: 50% center; }

/* =====================================================================
   如何加入页（参考 icc-promo-site ContactForm 视觉语言）
   ===================================================================== */

/* ---------------- Hero：深色首屏 + ICC 水印 ---------------- */
.contact-hero {
  position: relative;
  isolation: isolate;
  background: #0e0e0f;
  color: #fff;
  overflow: hidden;
  /* padding-top: calc(72px + var(--header-height)); */
  padding-top: 84px;
  padding-bottom: 84px;
}
.contact-hero::before {
  content: "ICC";
  position: absolute;
  z-index: 0;
  right: -0.06em;
  bottom: -0.32em;
  font-size: clamp(180px, 26vw, 380px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: rgba(255, 255, 255, .045);
  pointer-events: none;
  line-height: 1;
}
.contact-hero__inner { position: relative; z-index: 2; }
.contact-hero .eyebrow.red { color: #f0665c; }
.contact-hero h1 {
  font-size: clamp(44px, 5.5vw, 72px);
  line-height: 1.1;
  margin: 20px 0 22px;
  color: #fff;
}
.contact-hero h1 em { font-style: normal; color: #f0665c; }
.contact-hero__lead {
  font-size: 14px;
  line-height: 1.9;
  color: rgba(255, 255, 255, .78);
  margin: 0;
  max-width: 560px;
}
.contact-steps {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-top: 54px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, .16);
}
.contact-steps span {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 13px;
  font-weight: 700;
  color: rgba(255, 255, 255, .9);
  white-space: nowrap;
}
.contact-steps b {
  font-size: 12px;
  font-weight: 800;
  color: #f0665c;
}
.contact-steps i {
  flex: 1;
  height: 1px;
  background: rgba(255, 255, 255, .22);
}

/* ---------------- 表单区：左信息右表单 ---------------- */
.contact-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr);
  gap: 6vw;
  align-items: start;
  padding-top: 72px;
  padding-bottom: 88px;
}
.contact-aside .eyebrow.red { color: var(--red); }
.contact-aside h2 {
  font-size: clamp(32px, 3.4vw, 46px);
  line-height: 1.24;
  margin: 18px 0 0;
}
.contact-aside h2 em { font-style: normal; color: var(--red); }
.contact-info { margin-top: 38px; display: grid; }
.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  border-top: 1px solid var(--line);
  padding: 17px 0;
  font-size: 14px;
  font-weight: 700;
}
.contact-info .contact-detail:last-child { border-bottom: 1px solid var(--line); }
.contact-detail svg { color: var(--red); flex-shrink: 0; margin-top: 3px; }
.contact-detail small {
  display: block;
  font-size: 12px;
  font-weight: 400;
  color: var(--muted);
  margin-bottom: 5px;
  letter-spacing: .5px;
}
a.contact-detail:hover { color: var(--red); }
.response-note {
  margin-top: 30px;
  border-left: 2px solid var(--red);
  padding-left: 16px;
}
.response-note b { font-size: 13px; }
.response-note p {
  font-size: 12px;
  line-height: 1.8;
  color: #777;
  margin: 7px 0 0;
}

/* ---------------- 表单样式收尾（join 页已切到金数据 CTA，旧表单规则清理） ---------------- */
.form-heading {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 18px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 18px;
}
.form-heading p { font-size: 17px; font-weight: 800; margin: 0; }
.form-heading span { font-size: 12px; color: var(--muted); text-align: right; }
.form-heading i { color: var(--red); font-style: normal; }
.text-link-inline {
  background: none;
  border: 0;
  padding: 0 2px;
  color: var(--red);
  font-size: inherit;
  text-decoration: underline;
}
.submit {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  background: var(--red);
  color: #fff;
  border: 1px solid var(--red);
  padding: 15px 26px;
  font-size: 13px;
  font-weight: 700;
  transition: background .2s, border-color .2s;
}
.submit:hover { background: #a51f17; border-color: #a51f17; }

/* ---------------- 提交成功态 ---------------- */
/* ---------------- 联系 ICC：金数据跳转 CTA ---------------- */
.contact-cta {
  background: #fff;
  border: 1px solid var(--line);
  padding: 38px 38px 34px;
  display: flex;
  flex-direction: column;
  min-height: 100%;
}
.contact-cta .form-heading {
  margin-bottom: 26px;
  padding-bottom: 18px;
}
.contact-cta__title {
  font-size: clamp(26px, 2.4vw, 36px);
  line-height: 1.28;
  margin: 4px 0 18px;
  font-weight: 700;
  color: var(--ink);
}
.contact-cta__desc {
  font-size: 14px;
  line-height: 1.85;
  color: #555;
  margin: 0 0 32px;
  max-width: 520px;
}
.contact-cta__desc b { color: var(--ink); font-weight: 700; }
.contact-cta__btn {
  align-self: flex-start;
  text-decoration: none;
  letter-spacing: .3px;
}
.contact-cta__btn:hover { color: #fff; }
.contact-cta__note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.75;
  color: #777;
}
.contact-cta__note svg { color: var(--red); flex-shrink: 0; margin-top: 2px; }
.contact-cta__note b { color: #444; font-weight: 700; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 900px) {
  .contact-hero { padding-top: calc(56px + var(--header-height)); padding-bottom: 64px; }
  .contact-steps { gap: 18px; margin-top: 42px; }
  .contact-form { grid-template-columns: 1fr; gap: 44px; padding-top: 56px; padding-bottom: 64px; }
}
@media (max-width: 650px) {
  .contact-hero { padding-top: calc(44px + var(--header-height)); padding-bottom: 52px; }
  .contact-hero h1 { font-size: clamp(36px, 9vw, 46px); }
  .contact-hero__lead { font-size: 13px; }
  .contact-steps { flex-direction: column; align-items: flex-start; gap: 14px; margin-top: 36px; }
  .contact-steps i { display: none; }
  .contact-cta { padding: 28px 22px 26px; }
  .contact-cta__btn { width: 100%; justify-content: center; }
  .submit { width: 100%; }
}