/* ============ 珊瑚矩阵 CORAL MATRIX 官网 ============ */
:root {
  --ink: #1b1c1e;
  --body: #45484f;
  --muted: #6b7280;
  --faint: #999da3;
  --link-blue: #0b63cb;
  --sky-blue: #46a3e1;
  --purple: #5e3ad2;
  --card-lav: #f8f9fe;
  --page-w: 1280px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: #fff;
  -webkit-font-smoothing: antialiased;
}
img { display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

.wrap, .nav-inner, .footer-inner { max-width: var(--page-w); margin: 0 auto; }

/* ============ 导航栏 ============ */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: #fff;
  height: 64px;
}
.nav-inner {
  height: 64px; padding: 0 0;
  display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-icon { width: 33px; height: 33px; }
.brand-text-cn { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-size: 19px; font-weight: 600; color: var(--ink); letter-spacing: 1px; }
.brand-sub { font-size: 10px; color: #9aa0a8; letter-spacing: 1.6px; }
.brand-text-en { display: none; font-size: 19px; font-weight: 500; color: #3c4148; letter-spacing: 2.5px; }
html[data-lang="en"] .brand-text-cn { display: none; }
html[data-lang="en"] .brand-text-en { display: block; }

.menu { display: flex; align-items: center; gap: 44px; }
.menu-link { font-size: 15px; color: #414755; transition: color .2s; }
.menu-link:hover { color: var(--sky-blue); }
.menu-link.active { color: var(--sky-blue); }

.lang { position: relative; }
.lang-btn {
  display: flex; align-items: center; gap: 8px;
  background: #fff; border: 1px solid #e3e5e9; border-radius: 999px;
  padding: 9px 18px; font-size: 14px; color: var(--ink);
}
.lang-btn svg { color: #6b7280; transition: transform .2s; }
.lang.open .lang-btn svg { transform: rotate(180deg); }
.lang-menu {
  position: absolute; top: calc(100% + 8px); right: 0; min-width: 128px;
  background: #fff; border-radius: 10px; overflow: hidden;
  box-shadow: 0 8px 24px rgba(20, 24, 40, .13);
  display: none; z-index: 50;
}
.lang.open .lang-menu { display: block; }
.lang-opt {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  width: 100%; padding: 10px 14px; font-size: 14px; color: var(--ink);
  background: #fff; border: 0; text-align: left;
}
.lang-opt:hover { background: #f4f6fa; }
.lang-opt .tick { visibility: hidden; }
.lang-opt.active { color: #5a7cf0; background: #eef2fd; }
.lang-opt.active .tick { visibility: visible; }

/* ============ Hero ============ */
.hero { position: relative; }
.hero-bg { width: 100%; aspect-ratio: 1440 / 800; object-fit: cover; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ============ 视频宣传区 ============ */
.video-banner { margin-top: 40px; }
.video-banner img { width: 100%; aspect-ratio: 1440 / 800; object-fit: cover; }

/* ============ 智能化功能集成 ============ */
.features { margin-top: 61px; }
.features-card {
  max-width: var(--page-w); margin: 0 auto;
  background: var(--card-lav); border-radius: 24px;
  display: flex; align-items: stretch; justify-content: space-between;
  overflow: hidden; min-height: 402px;
}
.features-copy { padding: 56px 0 48px 40px; flex: 0 0 auto; }
.features-copy h2 { font-size: 40px; font-weight: 700; color: var(--ink); }
.features-sub { margin-top: 18px; font-size: 16px; color: var(--muted); }
.features-list { margin-top: 26px; display: flex; flex-direction: column; gap: 16px; }
.features-list li { display: flex; align-items: center; gap: 14px; font-size: 15px; color: #33363c; }
.f-ico {
  width: 34px; height: 34px; border-radius: 9px; background: #e7f0fc;
  display: inline-flex; align-items: center; justify-content: center;
  color: #5a9bdd;
}
.f-ico svg { width: 18px; height: 18px; }
.features-helmet { width: 53.1%; object-fit: contain; object-position: right center; align-self: center; }

/* ============ 功能卡片轮播 ============ */
.carousel-sec { max-width: 1440px; margin: 40px auto 0; }
.carousel { overflow: hidden; padding-left: 160px; }
@media (max-width: 1440px) { .carousel { padding-left: calc((100vw - var(--page-w)) / 2 + 80px); } }
.car-track {
  display: flex; gap: 40px;
  transition: transform .55s cubic-bezier(.4, 0, .2, 1);
}
.car-card {
  position: relative; flex: 0 0 820px; height: 485px;
  border-radius: 20px; overflow: hidden;
  background-size: cover; background-position: center;
  box-shadow: 0 14px 34px rgba(24, 30, 48, .16);
  color: #fff;
}
.card-voice { background-image: url("../img/card-voice.jpg"); }
.card-turn  { background-image: url("../img/card-turn.jpg"); }
.card-alert { background-image: url("../img/card-alert.jpg"); }
.card-synth { background-image: none; background: #f8f9ff; color: var(--ink); }
.car-copy { position: absolute; left: 40px; top: 30px; max-width: 360px; }
.car-copy h3 { font-size: 26px; font-weight: 700; }
.car-copy h4 { margin-top: 38px; font-size: 17px; font-weight: 600; }
.car-copy h4 + p { margin-top: 8px; }
.car-copy p { font-size: 14px; line-height: 1.65; color: rgba(255,255,255,.72); }
.card-synth .car-copy h3 { font-size: 24px; }
.card-synth .car-copy p { margin-top: 20px; color: var(--muted); }
.car-collage {
  position: absolute; right: 36px; top: 50%; transform: translateY(-50%);
  width: 62%; border-radius: 8px;
}
.car-nav {
  max-width: var(--page-w); margin: 22px auto 0;
  display: flex; justify-content: flex-end; gap: 16px; padding-right: 0;
}
.car-btn {
  width: 36px; height: 36px; border-radius: 50%; border: 0;
  background: #45494f; color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  transition: background .2s;
}
.car-btn:hover:not(:disabled) { background: #33363c; }
.car-btn:disabled { background: #ebedf0; color: #b6bac1; cursor: default; }

/* ============ 原创设计 / 多彩选择 ============ */
.design-sec {
  max-width: var(--page-w); margin: 40px auto 0;
  display: flex; gap: 25px;
}
.design-card, .color-card {
  background: #fff; border: 1px solid #ecedf1; border-radius: 20px;
  box-shadow: 0 10px 30px rgba(28, 34, 52, .05);
  padding: 48px 40px 40px;
}
.design-card { flex: 0 0 410px; display: flex; flex-direction: column; }
.color-card { flex: 1; }
.design-card h2, .color-card h2 { font-size: 33px; font-weight: 700; color: var(--ink); }
.design-card p { margin-top: 20px; font-size: 14px; line-height: 1.8; color: var(--muted); }
.blue-link {
  margin-top: 22px; display: inline-flex; align-items: center; gap: 7px;
  color: var(--link-blue); font-size: 15px;
}
.blue-link:hover { text-decoration: underline; }
.design-helmet { width: 100%; margin: 22px auto 0; }
.color-card > p { margin-top: 16px; font-size: 14px; color: var(--muted); }
.swatches { margin-top: 34px; display: flex; justify-content: space-between; padding-right: 26px; }
.swatches li { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.swatches i { font-style: normal; font-size: 12px; color: #3c4148; }
.sw { width: 44px; height: 44px; border-radius: 50%; }
.swatches li.active .sw { outline: 2.5px solid #2468e5; outline-offset: 4px; }
.sw-black { background: #1d1d1f; }
.sw-gray { background: #f5f5f7; border: 1px solid #e3e5e9; }
.sw-blue { background: linear-gradient(180deg, #a9cdfb, #aebdfd); }
.sw-orange { background: #e3804b; }
.sw-coral { background: #8f5776; }
.lights { margin-top: 40px; display: flex; justify-content: space-between; padding: 0 26px 0 10px; }
.lights li { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.lights img { width: 186px; height: 190px; border-radius: 50%; }
.lights i { font-style: normal; font-size: 13px; color: #3c4148; }

/* ============ 新闻 ============ */
.news-sec { max-width: var(--page-w); margin: 41px auto 0; padding: 0 40px; }
.news-head { display: flex; align-items: flex-end; justify-content: space-between; }
.news-head h2 { font-size: 44px; font-weight: 700; color: var(--ink); }
.view-more { display: inline-flex; align-items: center; gap: 4px; font-size: 14px; color: #4b5058; }
.view-more:hover { color: var(--link-blue); }
.news-grid { margin-top: 52px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-photo { position: relative; border-radius: 14px; overflow: hidden; }
.news-photo img { width: 100%; aspect-ratio: 384 / 282; object-fit: cover; }
.tag {
  position: absolute; top: 14px; left: 14px;
  font-size: 12px; color: #fff; padding: 5px 12px; border-radius: 999px;
}
.tag-blue { background: #0058bc; }
.tag-gray { background: rgba(70, 72, 78, .82); }
.tag-green { background: #19d09f; }
.news-card h3 { margin-top: 24px; font-size: 21px; font-weight: 700; color: var(--ink); }
.news-card p { margin-top: 12px; font-size: 14px; color: var(--body); line-height: 1.6; }
.news-card time { display: block; margin-top: 14px; font-size: 13px; color: var(--faint); }

/* ============ 关于珊瑚矩阵（大区块） ============ */
.about-sec {
  margin-top: 41px;
  background: linear-gradient(180deg, #fdfdfe 0%, #f5f7fd 35%, #f6f8fd 70%, #fbfcfe 100%);
  border-radius: 28px 28px 0 0;
  padding: 50px 0 64px;
}
.about-wrap { max-width: var(--page-w); margin: 0 auto; padding: 0 40px; }
.about-top { display: flex; justify-content: space-between; gap: 60px; }
.about-copy { max-width: 540px; }
.about-copy h2 { font-size: 44px; font-weight: 700; color: var(--ink); }
.about-slogan { margin-top: 26px; font-size: 20px; color: #3f51c1; }
.about-body { margin-top: 26px; font-size: 14px; line-height: 2; color: #646465; }
.about-city { width: 578px; border-radius: 16px; box-shadow: 0 18px 44px rgba(30, 40, 70, .18); align-self: flex-start; }

.stats {
  margin-top: 56px;
  display: grid; grid-template-columns: 416px 416px 1fr; row-gap: 44px;
}
.stat h4 { font-size: 18px; font-weight: 600; color: #191c1e; }
.num { margin-top: 10px; font-size: 66px; font-weight: 700; color: #e4e6ec; line-height: 1.1; letter-spacing: 1px; }
.num span { font-size: 30px; font-weight: 700; margin-left: 4px; }
.num .unit { font-size: 34px; margin-left: 2px; }

.journey-title { margin-top: 56px; font-size: 18px; font-weight: 600; color: #191c1e; }
.timeline {
  margin-top: 28px; position: relative;
  display: flex; justify-content: space-between;
  padding: 0 48px;
}
.timeline::before {
  content: ""; position: absolute; left: 0; right: 0; top: 47px; height: 2px;
  background: #e6e6f4;
}
.tl-item { position: relative; width: 200px; text-align: center; }
.tl-item:first-child { text-align: left; }
.tl-item:first-child .tl-dot { left: 24px; }
.tl-year { font-size: 20px; font-weight: 700; color: var(--purple); }
.tl-dot {
  position: relative; width: 10px; height: 10px; margin: 16px auto 0;
  background: var(--purple); border-radius: 50%; top: 0;
  box-shadow: 0 0 0 3px rgba(94, 58, 210, .15);
}
.tl-item:first-child .tl-dot { margin-left: 24px; }
.tl-text { margin-top: 18px; font-size: 12.5px; color: #5c6066; line-height: 1.7; }
.tl-text b { display: block; font-weight: 500; color: #46494f; }

/* ============ 社会公益 ============ */
.welfare { margin-top: 60px; }
.bar-title {
  position: relative; font-size: 23px; font-weight: 700; color: #191c1e;
  padding-left: 14px;
}
.bar-title::before {
  content: ""; position: absolute; left: 0; top: 4px; bottom: 4px; width: 4px;
  border-radius: 2px;
  background: linear-gradient(180deg, #8b3bdd, #5142d3);
}
.welfare-grid { margin-top: 26px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.welfare-card {
  background: #fff; border-radius: 14px; overflow: hidden;
  box-shadow: 0 10px 26px rgba(30, 38, 60, .07);
}
.welfare-card > img { width: 100%; aspect-ratio: 384 / 217; object-fit: cover; }
.wf-body { padding: 26px 24px 30px; }
.wf-cat { display: flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 600; }
.wf-cat svg { width: 19px; height: 19px; }
.cat-blue { color: #0a58c6; }
.cat-green { color: #0a7a54; }
.cat-red { color: #ba1a1a; }
.wf-body h3 { margin-top: 14px; font-size: 22px; font-weight: 700; color: #191c1e; }
.wf-list { margin-top: 18px; display: flex; flex-direction: column; gap: 14px; }
.wf-list li {
  position: relative; padding-left: 16px;
  font-size: 13.5px; color: #434655; line-height: 1.55;
}
.wf-list li::before {
  content: ""; position: absolute; left: 0; top: 8px;
  width: 5px; height: 5px; border-radius: 50%;
}
.dot-blue li::before { background: #2468e5; }
.dot-green li::before { background: #0a9a64; }
.dot-red li::before { background: #d43030; }

/* ============ 公司动态 + 联系我们 ============ */
.corp-row { margin-top: 34px; display: flex; gap: 30px; }
.corp-card {
  flex: 1; background: #fff; border-radius: 20px;
  box-shadow: 0 10px 26px rgba(30, 38, 60, .07);
  padding: 30px 34px 12px;
}
.corp-head { display: flex; align-items: center; justify-content: space-between; }
.view-more.sm { font-size: 13px; }
.corp-item {
  display: flex; gap: 22px; padding: 24px 0;
}
.corp-item + .corp-item { border-top: 1px solid #eef0f3; }
.corp-item img { width: 218px; aspect-ratio: 218 / 117; object-fit: cover; border-radius: 8px; flex: 0 0 auto; }
.corp-item h4 { font-size: 17px; font-weight: 700; color: #191c1e; line-height: 1.45; }
.corp-item p {
  margin-top: 10px; font-size: 13px; color: var(--muted); line-height: 1.7;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.corp-item time { margin-top: 12px; display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--faint); }
.corp-item time svg { width: 14px; height: 14px; }
.contact-card {
  flex: 0 0 395px; background: #fff; border-radius: 20px;
  box-shadow: 0 10px 26px rgba(30, 38, 60, .07);
  padding: 30px 34px;
}
.contact-list { margin-top: 30px; display: flex; flex-direction: column; gap: 26px; }
.contact-list li { display: flex; align-items: flex-start; gap: 14px; font-size: 15px; color: #23262b; }
.contact-list svg { width: 20px; height: 20px; color: #4648d4; flex: 0 0 auto; margin-top: 1px; }

/* ============ APP 生态 ============ */
.app-sec { max-width: var(--page-w); margin: 40px auto 0; }
.app-card {
  position: relative; overflow: hidden;
  background:
    radial-gradient(720px 420px at 88% 108%, rgba(170, 174, 245, .28), transparent 60%),
    radial-gradient(560px 380px at 0% 115%, rgba(170, 174, 245, .22), transparent 60%),
    linear-gradient(180deg, #fbfcff, #f7f8fd);
  border-radius: 26px;
  display: flex; justify-content: space-between;
  min-height: 620px;
}
.app-copy { padding: 96px 0 0 40px; }
.app-copy h2 { font-size: 45px; font-weight: 700; color: var(--ink); }
.app-sub { margin-top: 34px; font-size: 15px; line-height: 1.9; color: #55585f; }
.app-list { margin-top: 30px; display: flex; flex-direction: column; gap: 18px; }
.app-list li { display: flex; align-items: center; gap: 12px; font-size: 14.5px; color: #33363c; }
.app-list svg { width: 20px; height: 20px; color: #4a7df0; }
.dl-btn {
  margin-top: 40px;
  display: inline-flex; align-items: center; gap: 8px;
  background: #abc7fc; color: #16181c;
  border: 0; border-radius: 12px;
  padding: 15px 34px; font-size: 15px; font-weight: 500;
  transition: background .2s;
}
.dl-btn:hover { background: #98baf8; }
.app-visual {
  position: relative; flex: 0 0 46%;
  display: flex; align-items: center; justify-content: center;
}
.app-visual img { width: 282px; position: relative; z-index: 2; filter: drop-shadow(0 24px 44px rgba(20, 26, 50, .25)); }
.ring {
  position: absolute; border: 1px solid rgba(120, 126, 180, .22); border-radius: 50%;
}
.ring-1 { width: 560px; height: 560px; right: 8%; top: 50%; transform: translateY(-50%); }
.ring-2 { width: 700px; height: 700px; right: -2%; top: 54%; transform: translateY(-50%); border-color: rgba(120, 126, 180, .13); }

/* ============ Footer ============ */
.footer { margin-top: 52px; background: #f9fafc; border-top: 1px solid #eef0f4; }
.footer-inner {
  padding: 58px 40px 46px;
  display: flex; justify-content: space-between; gap: 60px;
}
.footer-brand p { font-size: 15px; line-height: 1.75; color: #44474e; }
.footer-brand h4 { margin-top: 42px; font-size: 16px; font-weight: 600; color: var(--ink); }
.socials { margin-top: 20px; display: flex; gap: 24px; }
.socials img { width: 40px; height: 40px; }
.footer-cols { display: flex; gap: 110px; }
.f-col { display: flex; flex-direction: column; }
.f-col h4 { font-size: 19px; font-weight: 700; color: #1a1c1e; margin-bottom: 28px; }
.f-col a { font-size: 14.5px; color: #565a63; margin-bottom: 20px; transition: color .2s; }
.f-col a:hover { color: var(--link-blue); }
.footer-beian {
  max-width: var(--page-w); margin: 0 auto;
  border-top: 1px solid #e8eaee;
  padding: 22px 40px 30px;
  display: flex; gap: 34px;
  font-size: 12.5px; color: #6b7076;
}

/* ============ 响应式 ============ */
.nav-toggle {
  display: none;
  width: 40px; height: 40px; border: 0; border-radius: 10px;
  background: transparent; color: #33363c;
  align-items: center; justify-content: center;
}

@media (max-width: 1340px) {
  :root { --page-w: calc(100vw - 60px); }
  .car-card { flex: 0 0 min(820px, calc(100vw - 140px)); }
  .about-city { width: min(578px, 44vw); }
}

@media (max-width: 1024px) {
  .nav { padding: 0 18px; }
  .nav-toggle { display: inline-flex; margin-left: auto; }
  .nav-inner { gap: 10px; }
  .menu {
    display: none;
    position: absolute; top: 64px; left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: stretch; gap: 0;
    border-top: 1px solid #eef0f4;
    box-shadow: 0 16px 30px rgba(20, 24, 40, .1);
  }
  .nav.menu-open .menu { display: flex; }
  .menu-link { padding: 15px 24px; border-bottom: 1px solid #f2f4f7; font-size: 15px; }
  .features-card { flex-direction: column; }
  .features-helmet { width: 100%; object-position: center; }
  .design-sec { flex-direction: column; }
  .design-card { flex: none; }
  .design-helmet { width: 72%; }
  .news-grid, .welfare-grid { grid-template-columns: 1fr; }
  .about-top { flex-direction: column; gap: 34px; }
  .about-city { width: 100%; }
  .stats { grid-template-columns: 1fr 1fr; }
  .corp-row { flex-direction: column; }
  .contact-card { flex: none; }
  .app-card { flex-direction: column; min-height: 0; }
  .app-copy { padding: 48px 32px 0; }
  .app-visual { padding: 54px 0; min-height: 560px; flex: none; }
  .footer-inner { flex-direction: column; }
  .footer-cols { flex-wrap: wrap; gap: 48px; }
}

@media (max-width: 768px) {
  :root { --page-w: calc(100vw - 32px); }
  /* 导航 */
  .nav { padding: 0 12px; }
  .brand-name { font-size: 17px; }
  .lang-btn { padding: 7px 13px; font-size: 13px; }
  /* 各区块标题与间距 */
  .video-banner, .features, .carousel-sec, .design-sec, .news-sec,
  .about-sec, .app-sec { margin-top: 26px; }
  .features-copy { padding: 30px 24px 6px; }
  .features-copy h2, .design-card h2, .color-card h2, .app-copy h2 { font-size: 26px; }
  .news-head h2, .about-copy h2 { font-size: 28px; }
  .features-sub { margin-top: 10px; font-size: 14px; }
  .features-list { margin-top: 18px; gap: 12px; }
  /* 轮播 */
  .carousel { padding-left: 16px; }
  .car-track { gap: 16px; }
  .car-card { flex: 0 0 calc(100vw - 64px); height: calc((100vw - 64px) * .59); border-radius: 14px; }
  .car-copy { left: 20px; top: 16px; }
  .car-copy h3 { font-size: 19px; }
  .car-copy h4 { margin-top: 16px; font-size: 14px; }
  .car-copy p { font-size: 12px; }
  .card-synth .car-copy h3 { font-size: 17px; }
  .card-synth .car-copy p { margin-top: 8px; }
  .car-collage { right: 14px; width: 58%; }
  .car-nav { margin-top: 14px; padding-right: 16px; }
  /* 设计 / 配色 */
  .design-card, .color-card { padding: 26px 20px 26px; }
  .swatches { flex-wrap: wrap; gap: 14px 8px; padding-right: 0; justify-content: space-around; }
  .sw { width: 38px; height: 38px; }
  .lights { padding: 0; margin-top: 26px; gap: 8px; }
  .lights img { width: 27vw; height: auto; }
  .lights i { font-size: 12px; }
  /* 新闻 */
  .news-sec { padding: 0 16px; }
  .news-grid { margin-top: 24px; gap: 20px; }
  .news-card h3 { margin-top: 14px; font-size: 18px; }
  /* 关于 */
  .about-sec { padding: 30px 0 40px; border-radius: 18px 18px 0 0; }
  .about-wrap { padding: 0 16px; }
  .about-slogan { margin-top: 14px; font-size: 17px; }
  .about-body { margin-top: 14px; }
  .stats { margin-top: 32px; grid-template-columns: 1fr 1fr; row-gap: 26px; }
  .stat h4 { font-size: 15px; }
  .num { font-size: 42px; }
  .num span { font-size: 20px; }
  .num .unit { font-size: 22px; }
  /* 时间轴：改为两列卡片式 */
  .journey-title { margin-top: 36px; }
  .timeline { flex-wrap: wrap; gap: 22px 0; padding: 0; }
  .timeline::before { display: none; }
  .tl-item { width: 50%; text-align: left; }
  .tl-item:first-child .tl-dot { margin-left: 0; left: 0; }
  .tl-dot { margin: 10px 0 0; }
  .tl-item { padding-right: 14px; }
  .tl-item .tl-dot { margin-left: 0; }
  .tl-text { margin-top: 10px; }
  /* 公益 / 动态 / 联系 */
  .welfare { margin-top: 38px; }
  .bar-title { font-size: 19px; }
  .corp-card, .contact-card { padding: 22px 18px 8px; }
  .contact-card { padding-bottom: 26px; }
  .corp-item { flex-direction: column; gap: 12px; padding: 18px 0; }
  .corp-item img { width: 100%; }
  .contact-list { margin-top: 20px; gap: 18px; }
  .contact-list li { font-size: 14px; }
  /* APP */
  .app-copy { padding: 30px 20px 0; }
  .app-sub { margin-top: 16px; }
  .app-list { margin-top: 20px; gap: 12px; }
  .dl-btn { margin-top: 26px; padding: 13px 28px; }
  .app-visual { min-height: 480px; padding: 40px 0; }
  .app-visual img { width: 230px; }
  .ring-1 { width: 340px; height: 340px; right: 50%; margin-right: -170px; }
  .ring-2 { width: 440px; height: 440px; right: 50%; margin-right: -220px; }
  /* Footer */
  .footer-inner { padding: 36px 20px 30px; gap: 36px; }
  .footer-cols { gap: 30px 40px; }
  .f-col h4 { font-size: 16px; margin-bottom: 16px; }
  .f-col a { font-size: 13.5px; margin-bottom: 13px; }
  .footer-beian { flex-direction: column; gap: 8px; padding: 16px 20px 24px; font-size: 11.5px; }
}