/* 联系页（/contact_us.html）专用样式，源文件为设计稿 IPcrossark_Contact_Us.html */
/* 全部规则已限定在 .ipc-contact 下，避免影响站点 header/footer */

.ipc-contact{--navy:#122d50;--blue:#245fc2;--teal:#216e73;--ink:#263b51;--muted:#607086;--line:#dce5ed;--pale:#f3f7fb;--white:#fff}
.ipc-contact,.ipc-contact *{box-sizing:border-box}
.ipc-contact{scroll-behavior:smooth;scroll-padding-top:25px}
.ipc-contact{margin:0;color:var(--ink);background:#fff;font-family:Arial,Helvetica,sans-serif;line-height:1.65}
.ipc-contact a{color:inherit;text-underline-offset:4px}
.ipc-contact button,.ipc-contact input,.ipc-contact select,.ipc-contact textarea{font:inherit}
.ipc-contact button,.ipc-contact a,.ipc-contact input,.ipc-contact select,.ipc-contact textarea,.ipc-contact summary{-webkit-tap-highlight-color:transparent}
.ipc-contact a:focus-visible,.ipc-contact button:focus-visible,.ipc-contact summary:focus-visible{outline:3px solid #d29b34;outline-offset:5px}
.ipc-contact button{cursor:pointer}
.ipc-contact .wrap{width:min(1140px,calc(100% - 64px));margin:auto}
.ipc-contact .top-links{display:flex;gap:24px}
.ipc-contact .breadcrumb{font-size:12px;color:var(--muted);padding-top:26px;display:flex;gap:10px}
.ipc-contact .breadcrumb a{text-decoration:none}
.ipc-contact .breadcrumb span:last-child{color:var(--navy)}
.ipc-contact .hero{background:linear-gradient(110deg,#fff 42%,#f0f5fb);border-bottom:1px solid var(--line)}
.ipc-contact .hero-grid{display:grid;grid-template-columns:1.35fr .75fr;gap:75px;align-items:center;padding:48px 0 64px}
.ipc-contact .eyebrow{display:block;color:var(--teal);text-transform:uppercase;font-size:11px;letter-spacing:2px;font-weight:700;margin:0 0 19px}
.ipc-contact h1,.ipc-contact h2,.ipc-contact h3,.ipc-contact p{margin:0}
.ipc-contact h1,.ipc-contact h2,.ipc-contact h3{color:var(--navy);line-height:1.16}
.ipc-contact h1{font-size:clamp(38px,4.5vw,58px);letter-spacing:-2.1px;max-width:670px}
.ipc-contact h1 em{color:var(--blue);font-style:normal}
.ipc-contact h2{font-size:clamp(29px,3vw,37px);letter-spacing:-1px}
.ipc-contact h3{font-size:19px}
.ipc-contact .hero-copy{max-width:590px;margin-top:24px;font-size:16px;color:var(--muted)}
.ipc-contact .hero-note{font-size:12px;color:var(--teal);margin-top:22px;display:flex;align-items:center;gap:10px}
.ipc-contact .small-line{width:26px;height:2px;background:var(--teal)}
.ipc-contact .service-index{border-left:1px solid #cfdce8;padding-left:32px}
.ipc-contact .service-index>p{font-size:11px;text-transform:uppercase;letter-spacing:1.8px;color:var(--muted);margin-bottom:16px}
.ipc-contact .service-choice{width:100%;display:grid;grid-template-columns:25px 1fr 20px;gap:12px;text-align:left;align-items:center;border:0;border-bottom:1px solid var(--line);background:transparent;padding:17px 0;color:var(--navy)}
.ipc-contact .service-choice span:first-child{color:var(--teal);font-size:11px}
.ipc-contact .service-choice strong{font-size:17px;font-weight:500}
.ipc-contact .service-choice span:last-child{color:var(--blue);font-size:20px}
.ipc-contact .service-choice:hover strong{color:var(--blue)}
.ipc-contact .section{padding:78px 0}
.ipc-contact .contact-grid{display:grid;grid-template-columns:.8fr 1.3fr;align-items:start;gap:75px}
.ipc-contact .intro{margin-top:17px;color:var(--muted);font-size:15px;max-width:370px}
.ipc-contact .contact-channel{padding:27px 0;border-bottom:1px solid var(--line)}
.ipc-contact .channel-heading{display:flex;align-items:center;gap:12px;color:var(--teal);font-size:11px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:10px}
.ipc-contact .channel-icon{font-size:19px;line-height:1;font-weight:400;letter-spacing:0}
.ipc-contact .channel-value{font-size:21px;color:var(--navy);text-decoration:none;overflow-wrap:anywhere;letter-spacing:-.4px}
.ipc-contact .channel-value:hover{color:var(--blue)}
.ipc-contact .channel-note{margin-top:5px;color:var(--muted);font-size:13px}
.ipc-contact .email-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.ipc-contact .copy-button{font-size:11px;background:#fff;border:1px solid var(--line);border-radius:4px;padding:3px 9px;color:var(--muted);min-height:32px}
.ipc-contact .copy-button:hover{border-color:var(--blue);color:var(--blue)}
.ipc-contact .existing{background:var(--pale);padding:23px;margin-top:30px;border-left:3px solid var(--teal)}
.ipc-contact .existing h3{font-size:16px;margin-bottom:9px}
.ipc-contact .existing p{font-size:13px;color:var(--muted)}
.ipc-contact .form-panel{padding:33px 36px 31px;background:#fff;border:1px solid var(--line);box-shadow:0 12px 45px rgba(18,45,80,.045);border-radius:7px}
.ipc-contact .form-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:8px}
.ipc-contact .form-top h2{font-size:25px;letter-spacing:-.6px}
.ipc-contact .form-top>span{font-size:10px;letter-spacing:1.4px;color:var(--teal);white-space:nowrap}
.ipc-contact .form-intro{font-size:13px;color:var(--muted);margin-bottom:24px}
.ipc-contact .field-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.ipc-contact .field{min-width:0}
.ipc-contact .field.full{grid-column:1/-1}
.ipc-contact label{display:block;color:var(--navy);font-size:12px;font-weight:600;margin-bottom:7px}
.ipc-contact .optional{font-size:11px;color:var(--muted);font-weight:400}
.ipc-contact input,.ipc-contact select,.ipc-contact textarea{width:100%;border:1px solid #c9d4e0;border-radius:4px;padding:11px 12px;min-height:45px;color:var(--ink);background:#fff;font-size:13px;outline:none}
.ipc-contact input:focus,.ipc-contact select:focus,.ipc-contact textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px #245fc21a}
.ipc-contact input::placeholder,.ipc-contact textarea::placeholder{color:#727f8e}
.ipc-contact textarea{resize:vertical;min-height:118px;line-height:1.6}
.ipc-contact select{padding-right:22px}
.ipc-contact .field-help{font-size:11px;color:var(--muted);margin-top:7px;line-height:1.5}
.ipc-contact .privacy-note{font-size:11px;color:var(--muted);line-height:1.6;margin:17px 0}
.ipc-contact .privacy-note a{color:var(--blue)}
.ipc-contact .primary{display:inline-flex;align-items:center;justify-content:center;gap:20px;min-height:48px;border:1px solid var(--blue);border-radius:4px;padding:12px 21px;background:var(--blue);color:white;text-decoration:none;font-weight:600;font-size:13px}
.ipc-contact .primary:hover{background:#184b9c}
.ipc-contact .primary .arrow{font-size:19px;line-height:1}
.ipc-contact .submit{width:100%;justify-content:space-between}
.ipc-contact .submit-note{font-size:11px;color:var(--muted);margin-top:10px}
.ipc-contact .process{background:var(--pale);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.ipc-contact .section-heading{display:flex;justify-content:space-between;gap:40px;align-items:end;margin-bottom:40px}
.ipc-contact .section-heading p{max-width:300px;font-size:14px;color:var(--muted)}
.ipc-contact .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:42px;padding:0;margin:0;list-style:none}
.ipc-contact .step-top{display:flex;align-items:center;gap:20px;margin-bottom:20px}
.ipc-contact .step-number{font-size:28px;color:var(--teal);line-height:1}
.ipc-contact .step-rule{height:1px;background:#ccdbe5;flex:1}
.ipc-contact .steps h3{font-size:18px;margin-bottom:12px}
.ipc-contact .steps p{font-size:14px;color:var(--muted)}
.ipc-contact .faq-grid{display:grid;grid-template-columns:.8fr 1.3fr;gap:75px}
.ipc-contact .faq-intro p{margin-top:18px;max-width:320px;font-size:14px;color:var(--muted)}
.ipc-contact details{border-bottom:1px solid var(--line)}
.ipc-contact details:first-child{border-top:1px solid var(--line)}
.ipc-contact summary{padding:21px 32px 21px 0;list-style:none;cursor:pointer;font-size:15px;color:var(--navy);font-weight:500;position:relative}
.ipc-contact summary::-webkit-details-marker{display:none}
.ipc-contact summary:after{content:'+';position:absolute;right:2px;top:17px;color:var(--blue);font-size:24px;font-weight:400}
.ipc-contact details[open] summary:after{content:'−'}
.ipc-contact details p{font-size:13px;line-height:1.8;color:var(--muted);padding:0 20px 22px 0}
.ipc-contact details a{color:var(--blue)}
.ipc-contact .legal-links{display:flex;gap:20px}
.ipc-contact .legal-links a{text-decoration:none}
.ipc-contact .status{font-size:12px;color:var(--teal);min-height:0}
.ipc-contact .status:not(:empty){margin-top:10px}
.ipc-contact .review{margin-top:24px;padding-top:23px;border-top:1px solid var(--line)}
.ipc-contact .review[hidden]{display:none}
.ipc-contact .review h3{font-size:18px}
.ipc-contact .review p{font-size:12px;margin-top:9px;color:var(--muted)}
.ipc-contact .review pre{font-family:inherit;white-space:pre-wrap;overflow-wrap:anywhere;background:var(--pale);border:1px solid var(--line);padding:16px;font-size:12px;line-height:1.7;max-height:320px;overflow:auto}
.ipc-contact .review-actions{display:flex;flex-wrap:wrap;gap:10px}
.ipc-contact .secondary{padding:10px 15px;min-height:45px;border:1px solid var(--line);border-radius:4px;background:#fff;color:var(--navy);font-size:12px}
.ipc-contact .noscript{margin:20px 0;background:var(--pale);padding:15px;font-size:13px}
@media(min-width:1450px){.ipc-contact .wrap{width:min(1200px,calc(100% - 100px))}
.ipc-contact .hero-grid{padding-bottom:75px}
}
@media(max-width:1090px){.ipc-contact .contact-grid,.ipc-contact .faq-grid{gap:40px}
.ipc-contact .hero-grid{gap:45px}
.ipc-contact .form-panel{padding:28px}
}
@media(max-width:860px){.ipc-contact .hero-grid{grid-template-columns:1.2fr .8fr;gap:25px}
.ipc-contact .service-index{padding-left:22px}
.ipc-contact h1{font-size:43px}
.ipc-contact .service-choice strong{font-size:15px}
.ipc-contact .contact-grid{grid-template-columns:.8fr 1.2fr;gap:28px}
.ipc-contact .channel-value{font-size:17px}
.ipc-contact .form-panel{padding:25px 22px}
.ipc-contact .field-grid{grid-template-columns:1fr;gap:15px}
.ipc-contact .form-top{align-items:start}
.ipc-contact .form-top>span{display:none}
.ipc-contact .faq-grid{grid-template-columns:.7fr 1.3fr;gap:35px}
.ipc-contact .steps{gap:25px}
}
@media(max-width:620px){.ipc-contact .wrap{width:calc(100% - 40px)}
.ipc-contact .top-links{gap:19px;font-size:10px}
.ipc-contact .breadcrumb{padding-top:21px}
.ipc-contact .hero-grid{grid-template-columns:1fr;padding:31px 0 38px;gap:28px}
.ipc-contact h1{font-size:39px;letter-spacing:-1.4px}
.ipc-contact .hero-copy{font-size:14px;margin-top:19px}
.ipc-contact .hero-note{font-size:11px;margin-top:18px}
.ipc-contact .eyebrow{font-size:10px;margin-bottom:15px}
.ipc-contact .service-index{padding:18px 0 0;border-left:0;border-top:1px solid var(--line)}
.ipc-contact .service-index>p{margin-bottom:2px;font-size:10px}
.ipc-contact .service-choice{padding:12px 0;grid-template-columns:22px 1fr 20px}
.ipc-contact .service-choice:last-child{border-bottom:0}
.ipc-contact .service-choice strong{font-size:15px}
.ipc-contact .section{padding:48px 0}
.ipc-contact .contact-grid,.ipc-contact .faq-grid{grid-template-columns:1fr;gap:32px}
.ipc-contact h2{font-size:30px}
.ipc-contact .intro{font-size:14px;max-width:100%}
.ipc-contact .contact-channel{padding:20px 0}
.ipc-contact .channel-value{font-size:21px}
.ipc-contact .existing{margin-top:24px;padding:20px}
.ipc-contact .form-panel{padding:26px 21px}
.ipc-contact .form-top h2{font-size:25px}
.ipc-contact .field-grid{gap:17px}
.ipc-contact input,.ipc-contact select,.ipc-contact textarea{font-size:16px}
.ipc-contact .section-heading{display:block;margin-bottom:30px}
.ipc-contact .section-heading p{margin-top:17px;max-width:100%}
.ipc-contact .steps{grid-template-columns:1fr;gap:27px}
.ipc-contact .step-top{margin-bottom:14px}
.ipc-contact .step-number{font-size:25px}
.ipc-contact .steps p{font-size:13px}
.ipc-contact .faq-intro p{max-width:100%}
.ipc-contact .faq-grid{gap:27px}
.ipc-contact summary{font-size:14px}
.ipc-contact .legal-links{flex-wrap:wrap;gap:17px}
.ipc-contact .submit{gap:8px}
.ipc-contact .review-actions>a,.ipc-contact .review-actions>button{flex:1;text-align:center}
.ipc-contact .review-actions .primary{font-size:12px;padding:10px 14px}
}
@media(prefers-reduced-motion:reduce){.ipc-contact{scroll-behavior:auto}
}
@media print{.ipc-contact .review-actions,.ipc-contact .submit{display:none}
.ipc-contact .hero,.ipc-contact .process{background:#fff}
.ipc-contact .contact-grid,.ipc-contact .faq-grid{grid-template-columns:1fr 1fr;gap:25px}
.ipc-contact .section{padding:30px 0}
.ipc-contact .wrap{width:100%}
.ipc-contact .form-panel{box-shadow:none}
.ipc-contact details p{display:block}
.ipc-contact .hero-grid{padding:25px 0}
.ipc-contact .service-index{display:none}
}

/* 表单提交状态与蜜罐字段 */
.ipc-contact .hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.ipc-contact .form-status {
  min-height: 1.2em;
  margin: 8px 0 0;
  font-size: 14px;
  color: #5b6472;
}
.ipc-contact .form-error {
  margin: 8px 0 0;
  padding: 10px 15px;
  font-size: 14px;
  line-height: 1.5;
  color: #b42318;
  background: #fef3f2;
  border-left: 3px solid #b42318;
}
.ipc-contact .form-success {
  padding: 40px 32px;
  border: 1px solid #dfe6ee;
  background: #f7fafc;
}
.ipc-contact .form-success h3 {
  margin: 0 0 12px;
  font-size: 24px;
  color: #0b1b3a;
}
.ipc-contact .form-success p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: #5b6472;
}

/* 提交结果弹窗（唯一前缀，不受 .ipc-contact 作用域限制） */
.contact-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.contact-modal[hidden] {
  display: none;
}
.contact-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(8, 20, 46, 0.55);
}
.contact-modal-dialog {
  position: relative;
  width: 100%;
  max-width: 460px;
  padding: 36px 32px 28px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 24px 60px rgba(8, 20, 46, 0.25);
  text-align: center;
}
.contact-modal-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #e8f5ec;
  color: #1f8a4c;
  font-size: 26px;
  font-weight: 700;
}
.contact-modal-icon.is-error {
  background: #fef3f2;
  color: #b42318;
}
.contact-modal-dialog h3 {
  margin: 0 0 10px;
  font-size: 21px;
  line-height: 1.35;
  color: #0b1b3a;
}
.contact-modal-dialog p {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.7;
  color: #5b6472;
}
.contact-modal-dialog strong {
  color: #0b1b3a;
}
.contact-modal-actions .primary {
  display: inline-block;
  padding: 12px 28px;
  background: #353cf6;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  cursor: pointer;
}
.contact-modal-actions .primary:hover {
  background: #2a2fd0;
}
body.has-contact-modal {
  overflow: hidden;
}