:root {
  --contact-blue: #2d78f5;
  --contact-cyan: #21c9f1;
  --contact-ink: #15375d;
  --contact-deep: #031d31;
  --contact-navy: #122957;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { min-width: 320px; margin: 0; overflow-x: hidden; color: var(--contact-ink); font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif; background: #fff; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid #ffbd42; outline-offset: 3px; }
.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; }

.contact-hero { position: relative; height: 1055px; overflow: hidden; background: #eef8ff url("首页素材/头部背景@2x.png") center -96px / cover no-repeat; }
.contact-hero-inner { position: relative; width: min(1740px, calc(100% - 160px)); height: 100%; margin: auto; padding-top: 205px; }
.contact-about { width: 930px; }
.hot-row { position: relative; width: 422px; height: 37px; }
.hot-badge { position: absolute; inset: 0; width: 422px; height: 37px; object-fit: contain; object-position: left center; }
.hot-row span { position: absolute; top: 8px; left: 95px; color: #fff; font-size: 13px; line-height: 21px; white-space: nowrap; }
.contact-about h1 { margin: 52px 0 42px 40px; color: #438df5; font-size: 36px; font-weight: 700; line-height: 1; background: linear-gradient(180deg, #73c5ff, #3c8df7 52%, #2b66df); -webkit-background-clip: text; background-clip: text; }
.about-card { width: 930px; min-height: 284px; padding: 31px 38px 22px; border: 0; color: #385474; font-size: 16px; line-height: 1.55; background: rgba(255, 255, 255, .24) url("首页素材/头部卡片1@2x.png") center / 100% 100% no-repeat; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .58), 0 18px 50px rgba(61, 142, 210, .08); -webkit-backdrop-filter: blur(10px) saturate(1.06); backdrop-filter: blur(10px) saturate(1.06); }
.about-card p { margin: 4px 0; }
.about-card strong { color: #1c3b63; font-size: 19px; }
.about-card em { color: #ff6f27; font-style: normal; font-weight: 700; }

.hero-qr-panel { position: absolute; top: 223px; right: 0; width: 470px; text-align: center; }
.hero-qr-frame { width: 423px; height: 423px; margin: 0 auto; padding: 44px 44px 0; background: url("首页素材/二维码底部卡片@2x.png") center / 100% 100% no-repeat; }
.hero-qr-frame img { width: 232px; height: 227px; margin: 0 auto; }
.hero-qr-panel > p { position: absolute; top: 326px; right: 0; left: 0; width: fit-content; margin: 0 auto; color: #4970a4; font-size: 14px; }
.hero-qr-panel > p::after { position: absolute; right: -15px; bottom: 3px; width: 7px; height: 7px; content: ""; background: #5e9bff; }
.hero-qr-button { position: absolute; top: 380px; left: 10px; isolation: isolate; overflow: hidden; display: flex; width: 450px; height: 70px; margin: 0; align-items: center; justify-content: space-between; padding: 0 42px; border: 1px solid rgba(255, 255, 255, .68); border-radius: 10px; color: #fff; font-size: 17px; font-weight: 700; line-height: 1; text-decoration: none; background: linear-gradient(100deg, rgba(43, 101, 241, .8), rgba(19, 183, 232, .72)); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .65), inset 0 -1px 0 rgba(15, 89, 193, .22), 0 12px 28px rgba(35, 118, 233, .32); -webkit-backdrop-filter: blur(16px) saturate(1.35); backdrop-filter: blur(16px) saturate(1.35); transition: filter .18s ease, box-shadow .18s ease; }
.hero-qr-button::before { position: absolute; z-index: 0; top: 1px; right: 1px; left: 1px; height: 48%; border-radius: 9px 9px 55% 55%; content: ""; pointer-events: none; background: linear-gradient(180deg, rgba(255, 255, 255, .26), rgba(255, 255, 255, 0)); }
.hero-qr-button:hover { filter: brightness(1.06); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .78), inset 0 -1px 0 rgba(15, 89, 193, .2), 0 14px 32px rgba(35, 118, 233, .38); }
.hero-qr-button > span { position: relative; z-index: 1; }
.button-arrow { width: 18px; height: 24px; flex: 0 0 18px; border: 0; background: #fff; }
.button-arrow-left { clip-path: polygon(0 0, 100% 50%, 0 100%); }
.button-arrow-right { clip-path: polygon(100% 0, 0 50%, 100% 100%); }
.hero-qr-button > span:nth-child(2) { flex: 1; text-align: center; }

.top-contact-card { position: absolute; top: 709px; left: calc((100vw - min(1740px, 100vw - 160px)) / -2); width: 870px; height: 221px; padding: 45px 0 0 136px; border-radius: 0 18px 18px 0; color: #fff; background: linear-gradient(100deg, #001b2d, #124c7b); box-shadow: 18px 14px 0 #e8e8e8; }
.top-contact-card::after { position: absolute; top: 19px; right: 44px; width: 38px; height: 29px; content: "\201D"; color: #0b416c; font-size: 48px; font-weight: 700; line-height: .5; }
.top-contact-card h2 { margin: 0 0 -1px; color: #06335a; font-family: Arial, sans-serif; font-size: 31px; line-height: 1; }
.hotline-label { margin: 0 0 15px; font-size: 20px; font-weight: 700; line-height: 1; }
.hotline { margin: 0; white-space: nowrap; }
.hotline strong { font-family: Arial, sans-serif; font-size: 28px; letter-spacing: 1px; }
.hotline span { margin-left: 10px; color: #1763a0; font-size: 13px; }
.top-contact-extra { position: absolute; top: 119px; left: 580px; color: #8db8df; font-size: 14px; line-height: 1.6; white-space: nowrap; }
.top-contact-extra p { margin: 0; }
.top-contact-extra span { color: #7cb9eb; }
.mini-qr-group { position: absolute; top: 710px; right: 60px; display: flex; gap: 35px; }
.mini-qr-group figure { width: 130px; margin: 0; color: #d6d9df; font-size: 14px; text-align: center; }
.mini-qr-group img { width: 130px; height: 130px; border-radius: 6px; background: #fff; }
.mini-qr-group figcaption { margin-top: 20px; white-space: nowrap; }

.cooperation { position: relative; height: 1267px; overflow: hidden; border-radius: 19px 19px 0 0; color: #fff; background: linear-gradient(145deg, #021c30 0%, #092b4d 35%, #122957 78%); }
.cooperation::before { position: absolute; left: 310px; bottom: 175px; width: 805px; height: 700px; content: ""; opacity: .18; background: linear-gradient(145deg, #6885a3, #183557 66%); clip-path: polygon(0 25%, 100% 0, 66% 54%, 100% 81%, 62% 65%, 45% 100%, 36% 60%, 0 44%, 28% 37%); filter: drop-shadow(0 14px 18px #0008); }
.cooperation::after { position: absolute; inset: 0; content: ""; pointer-events: none; background: linear-gradient(90deg, transparent 0 53%, #071d3d2b 53% 100%); }
.cooperation-inner { position: relative; z-index: 1; width: min(1728px, calc(100% - 160px)); height: 100%; margin: auto; }
.cooperation-copy { position: absolute; top: 166px; left: 0; width: 900px; }
.cooperation-copy h2 { margin: 0 0 57px; color: #109be4; font-size: 40px; line-height: 1; background: linear-gradient(90deg, #149eeb, #1b5d87); -webkit-background-clip: text; background-clip: text; }
.cooperation-lead { margin: 0; color: #fff; font-size: 22px; line-height: 1.4; white-space: nowrap; }
.cooperation-lead strong { color: var(--contact-cyan); font-size: 34px; }
.cooperation-subtitle { margin: 2px 0 0; color: #fff; font-size: 18px; line-height: 1.45; }
.direct-contact { position: relative; margin-top: 191px; }
.contact-tag { display: grid; width: 139px; height: 49px; place-items: center; border-radius: 5px; color: #fff; font-size: 22px; background: #073e78; }
.direct-contact > a { display: block; width: fit-content; margin-top: 41px; color: var(--contact-cyan); font-family: Arial, sans-serif; font-size: 53px; line-height: 1; text-decoration: none; }
.direct-contact > p { margin: 38px 0 0; color: #fff; font-size: 18px; line-height: 1.5; }
.contact-icons { position: absolute; top: 85px; left: 470px; display: grid; gap: 31px; }
.contact-icon { display: grid; width: 82px; height: 82px; padding: 0; place-items: center; border: 0; border-radius: 50%; cursor: pointer; background: #003d70; transition: background-color 160ms ease, transform 160ms ease; }
.contact-icon:hover { background: #07518d; transform: scale(1.04); }
.contact-icon:focus-visible { outline: 3px solid #fff; outline-offset: 4px; }
.contact-icon.is-copied { background: #0871a8; }
.contact-icons svg { width: 37px; height: 37px; fill: none; stroke: #fff; stroke-width: 1.6; }
.copy-feedback { position: absolute; right: 0; bottom: -28px; min-width: 82px; color: #a9eaff; font-size: 13px; line-height: 1; text-align: center; pointer-events: none; }

.cooperation-list { position: absolute; top: 680px; left: -96px; width: 736px; height: 314px; padding: 43px 95px 0; border-radius: 0 27px 0 0; background: #0a1c3c; }
.cooperation-list h3 { margin: 0 0 12px; color: #fff; font-size: 17px; line-height: 1; }
.cooperation-list > p { margin: 0 0 22px; color: #164f8c; font-size: 13px; }
.cooperation-list-viewport { height: 189px; overflow: hidden; }
.cooperation-scroll { display: grid; gap: 12px; animation: cooperation-scroll-up 14s linear infinite; will-change: transform; }
.cooperation-list:hover .cooperation-scroll, .cooperation-list:focus-within .cooperation-scroll, .cooperation-list.is-paused .cooperation-scroll { animation-play-state: paused; }
.cooperation-row { width: 572px; height: 55px; margin-left: 0; padding: 0 20px; display: grid; grid-template-columns: 1fr 1fr 60px; align-items: center; border: 1px solid #385994; border-radius: 9px; color: #5081bd; font-size: 13px; background: #172e58; }
.cooperation-row + .cooperation-row { margin-top: 12px; }
.cooperation-scroll .cooperation-row + .cooperation-row { margin-top: 0; }
.cooperation-row strong { color: #e7eaf1; font-weight: 400; text-align: center; }
.cooperation-row time { text-align: right; }
.cooperation-row.is-muted { opacity: .45; }

@keyframes cooperation-scroll-up {
  to { transform: translateY(-201px); }
}

@media (prefers-reduced-motion: reduce) {
  .cooperation-scroll { animation: none; }
  .cooperation-row[aria-hidden="true"] { display: none; }
}

.contact-form { position: absolute; top: 153px; right: 0; width: 700px; height: 830px; padding-top: 45px; text-align: center; background: linear-gradient(160deg, #043363, #07345f 48%, #0a4055); }
.form-kicker { margin: 0; color: #25c5eb; font-size: 21px; font-weight: 600; line-height: 1.2; }
.contact-form > h2 { margin: 22px 0 57px; color: rgba(255, 255, 255, .92); font-size: 26px; font-weight: 600; line-height: 1; }
.form-body { position: relative; width: 640px; min-height: 665px; margin: auto; padding: 136px 85px 50px; border-radius: 34px 34px 26px 26px; background: linear-gradient(135deg, #1a4f8f, #142f61 64%, #0a465e); }
.form-select { position: absolute; top: 0; right: 0; left: 0; height: 137px; padding: 45px 64px; display: flex; align-items: center; justify-content: space-between; border-radius: 35px; background: linear-gradient(105deg, #1b5598, #173c78); }
.form-select > span { color: rgba(255, 255, 255, .9); font-size: 21px; font-weight: 600; }
.form-select select { width: 389px; height: 47px; padding: 0 50px 0 25px; border: 0; border-radius: 25px; color: rgba(255, 255, 255, .86); font-size: 18px; font-weight: 500; text-align: center; text-align-last: center; appearance: none; background: #0b3167 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='22' height='22' viewBox='0 0 22 22'%3E%3Cpath fill='white' d='m4 7 7 9 7-9z'/%3E%3C/svg%3E") right 22px center / 18px no-repeat; }
.form-body label:not(.form-select) { display: block; }
.form-body input, .form-body textarea { width: 470px; border: 0; border-radius: 7px; color: #5f7289; font-weight: 400; text-align: center; background: #fff; box-shadow: inset 0 0 0 1px #e3e8ee; }
.form-body input { height: 70px; margin-bottom: 21px; }
.form-body textarea { height: 120px; padding: 24px; resize: vertical; }
.form-body input::placeholder, .form-body textarea::placeholder { color: #687b91; opacity: .88; font-size: 18px; font-weight: 400; }
.form-body button { display: grid; width: 200px; height: 58px; margin: 19px auto 0; place-items: center; border: 1px solid rgba(255, 255, 255, .82); border-radius: 30px; color: rgba(255, 255, 255, .95); font-size: 21px; font-weight: 500; cursor: pointer; background: linear-gradient(100deg, #2877d8, #1752a8); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .15), 0 7px 18px rgba(4, 27, 66, .2); transition: transform .16s ease, filter .16s ease, box-shadow .16s ease; }
.form-body button:hover { filter: brightness(1.1); transform: translateY(-1px); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .24), 0 10px 24px rgba(4, 27, 66, .3); }
.form-body button:active { filter: brightness(.96); transform: translateY(1px) scale(.99); box-shadow: inset 0 1px 3px rgba(3, 25, 60, .25), 0 3px 9px rgba(4, 27, 66, .2); }
.form-status { min-height: 20px; margin: 12px 0 0; color: #a9eaff; font-size: 13px; }

.contact-footer { height: 97px; padding: 20px 30px 0; border-top: 2px solid #fff; color: #9da7bf; font-size: 12px; line-height: 1.8; text-align: center; background: #111b3a; }
.contact-footer p { margin: 0; white-space: nowrap; }
.license-badge { display: inline-flex; margin-left: 8px; padding: 0 4px; color: #b7bfd2; border: 1px solid #7e88a2; }

@media (max-width: 1500px) {
  .contact-hero-inner { width: calc(100% - 100px); }
  .contact-about { width: 54vw; }
  .about-card { width: 100%; font-size: 13px; }
  .hero-qr-panel { right: -30px; transform: scale(.86); transform-origin: top right; }
  .top-contact-card { left: -50px; transform: scale(.86); transform-origin: left top; }
  .mini-qr-group { right: 0; transform: scale(.86); transform-origin: top right; }
  .cooperation-inner { width: calc(100% - 100px); }
  .cooperation-copy { width: 55%; }
  .contact-form { width: 48%; }
  .form-body { width: calc(100% - 60px); }
  .form-body input, .form-body textarea { width: 85%; }
  .form-select { padding-right: 30px; padding-left: 30px; }
  .form-select select { width: 62%; }
  .cooperation-lead { font-size: 18px; }
  .cooperation-lead strong { font-size: 28px; }
  .cooperation-row { width: 100%; }
}

@media (min-width: 761px) and (max-width: 1200px) {
  .contact-hero {
    height: auto;
    min-height: 1500px;
    padding-top: 0;
    background-size: auto 1500px;
  }

  .contact-hero-inner {
    width: calc(100% - 80px);
    height: auto;
    min-height: 1500px;
    padding: 205px 0 60px;
    display: block;
  }

  .contact-about {
    width: 62%;
    max-width: none;
  }

  .about-card {
    width: 100%;
    font-size: 16px;
  }

  .hero-qr-panel {
    position: absolute;
    top: 223px;
    right: 0;
    width: 34%;
    height: auto;
    margin-top: 0;
    transform: none;
  }

  .hero-qr-frame { width: 100%; height: auto; aspect-ratio: 1; padding: 10%; }
  .hero-qr-frame img { width: 100%; height: auto; }
  .hero-qr-panel > p { position: relative; top: auto; right: auto; left: auto; margin: -12px auto 16px; }
  .hero-qr-button { position: relative; top: auto; left: auto; width: min(450px, 100%); height: 58px; margin: auto; font-size: 14px; }

  .top-contact-card {
    position: relative;
    top: auto;
    left: auto;
    width: min(870px, 100%);
    height: 221px;
    margin-top: 54px;
    padding-left: 92px;
    transform: none;
  }

  .top-contact-extra { left: 54%; }

  .mini-qr-group {
    position: relative;
    top: auto;
    right: auto;
    justify-content: center;
    margin-top: 30px;
    transform: none;
  }

  .cooperation {
    height: auto;
    min-height: 1540px;
    isolation: isolate;
  }

  .cooperation::before {
    right: 0;
    bottom: 120px;
    left: auto;
    width: min(70vw, 620px);
    height: 540px;
  }

  .cooperation-inner {
    width: min(920px, calc(100% - 64px));
    height: auto;
    min-height: 1540px;
    padding: 100px 0 80px;
  }

  .cooperation-copy {
    position: relative;
    top: auto;
    left: auto;
    width: 100%;
  }

  .cooperation-copy h2 { margin-bottom: 42px; }
  .cooperation-lead { white-space: normal; }
  .direct-contact { margin-top: 110px; }

  .cooperation-list {
    position: relative;
    top: auto;
    left: auto;
    width: min(736px, 100%);
    margin: 90px 0 0;
  }

  .cooperation-row { width: 100%; }

  .contact-form {
    position: relative;
    top: auto;
    right: auto;
    width: min(700px, 100%);
    height: auto;
    min-height: 830px;
    margin: 76px auto 0;
  }

  .contact-footer p { white-space: normal; }
}

@media (max-width: 760px) {
  .contact-hero { height: auto; min-height: 1200px; padding: 120px 0 70px; background-size: auto 1100px; background-position: center top; }
  .contact-hero-inner { width: 100%; min-height: 0; padding: 0 20px 50px; }
  .contact-about { width: 100%; }
  .hot-row, .hot-badge { width: 100%; max-width: 422px; }
  .hot-row span { left: 86px; font-size: 10px; }
  .contact-about h1 { margin: 26px 0 28px; font-size: 27px; }
  .about-card { width: 100%; min-height: 0; padding: 24px 22px; font-size: 12px; line-height: 1.75; }
  .about-card strong { font-size: 15px; }
  .hero-qr-panel { position: relative; top: auto; right: auto; width: 100%; height: 493px; margin-top: 35px; transform: none; }
  .hero-qr-frame { width: min(310px, 100%); height: auto; aspect-ratio: 1; padding: 10%; }
  .hero-qr-frame img { width: 100%; height: auto; }
  .hero-qr-button { top: 380px; left: 50%; width: min(450px, 100%); height: 58px; font-size: 14px; transform: translateX(-50%); }
  .top-contact-card { position: relative; top: auto; left: auto; width: calc(100% + 36px); height: auto; min-height: 212px; margin: 35px -18px 0; padding: 33px 24px; transform: none; }
  .top-contact-card h2 { font-size: 23px; }
  .hotline-label { font-size: 16px; }
  .hotline strong { font-size: 26px; }
  .hotline span { display: block; margin: 6px 0 0; font-size: 11px; }
  .top-contact-extra { position: static; margin-top: 14px; font-size: 11px; }
  .mini-qr-group { position: relative; top: auto; right: auto; justify-content: center; margin-top: 28px; transform: none; }
  .mini-qr-group figure { width: 105px; font-size: 11px; }
  .mini-qr-group img { width: 105px; height: 105px; }
  .mini-qr-group figcaption { margin-top: 9px; }

  .cooperation { height: auto; min-height: 1650px; border-radius: 14px 14px 0 0; }
  .cooperation::before { left: 10%; bottom: 470px; width: 120%; height: 420px; }
  .cooperation-inner { width: 100%; min-height: 1650px; }
  .cooperation-copy { position: relative; top: auto; left: auto; width: 100%; padding: 75px 24px 0; }
  .cooperation-copy h2 { margin-bottom: 34px; font-size: 31px; }
  .cooperation-lead { font-size: 16px; white-space: normal; }
  .cooperation-lead strong { font-size: 24px; }
  .cooperation-subtitle { font-size: 14px; }
  .direct-contact { margin-top: 90px; }
  .contact-tag { width: 112px; height: 42px; font-size: 17px; }
  .direct-contact > a { margin-top: 29px; font-size: 35px; }
  .direct-contact > p { margin-top: 30px; font-size: 14px; }
  .contact-icons { top: 62px; left: auto; right: 0; gap: 20px; }
  .contact-icon { width: 58px; height: 58px; }
  .contact-icons svg { width: 28px; height: 28px; }
  .copy-feedback { min-width: 58px; font-size: 11px; }
  .cooperation-list { position: relative; top: auto; left: auto; width: calc(100% + 48px); height: auto; min-height: 300px; margin: 94px -24px 0; padding: 32px 24px; }
  .cooperation-list-viewport { height: 171px; }
  .cooperation-row { width: 100%; height: 49px; padding: 0 10px; grid-template-columns: 1fr 1fr 48px; font-size: 10px; }

  @keyframes cooperation-scroll-up {
    to { transform: translateY(-183px); }
  }

  .contact-form { position: relative; top: auto; right: auto; width: 100%; height: auto; min-height: 780px; margin-top: 55px; padding: 35px 0 50px; }
  .form-kicker { font-size: 17px; }
  .contact-form > h2 { margin: 17px 0 42px; font-size: 22px; }
  .form-body { width: calc(100% - 30px); min-height: 650px; padding: 90px 22px 34px; }
  .form-select { height: 90px; padding: 25px 20px; }
  .form-select > span { font-size: 16px; }
  .form-select select { width: 58%; height: 40px; padding-left: 6px; font-size: 13px; }
  .form-body input, .form-body textarea { width: 100%; }
  .form-body input { height: 59px; margin-bottom: 14px; }
  .form-body textarea { height: 130px; }
  .form-body input::placeholder, .form-body textarea::placeholder { font-size: 15px; }
  .form-body button { width: 150px; height: 50px; font-size: 18px; }
  .contact-footer { height: auto; min-height: 130px; padding: 18px 15px; font-size: 10px; }
  .contact-footer p { white-space: normal; }
}