.contact-section{position:relative;display:grid;min-height:calc(100dvh - 88px);align-items:center;padding:clamp(96px,12vw,164px) 0;overflow:clip;scroll-margin-top:88px}.contact-shell{display:grid;width:min(var(--container),calc(100% - 40px));margin:0 auto;grid-template-columns:minmax(0,1.08fr) minmax(420px,0.72fr);align-items:center;gap:clamp(72px,10vw,164px)}.contact-copy h2{max-width:11ch;margin:0;font-size:clamp(54px,5.45vw,78px);font-weight:680;letter-spacing:-0.068em;line-height:0.98}.contact-message{display:grid;max-width:660px;margin-top:clamp(34px,4vw,54px);gap:20px}.contact-message p{margin:0;color:var(--muted);font-size:clamp(16px,1.35vw,18px);letter-spacing:-0.018em;line-height:1.82}.contact-copy-readable{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.contact-copy-visual{display:inline}.back-to-top{position:absolute;bottom:30px;left:50%;display:inline-flex;width:max-content;max-width:calc(100% - 32px);min-height:44px;align-items:center;justify-content:center;gap:12px;white-space:nowrap;color:var(--muted);font-size:18px;font-weight:600;line-height:1;text-decoration:none;transform:translateX(-50%);transition:color 180ms ease,transform 220ms var(--ease-out)}.back-to-top-icon{display:grid;width:24px;height:24px;place-items:center;border:1.5px solid currentColor;border-radius:50%;font-size:16px;line-height:1}.back-to-top:hover,.back-to-top:focus-visible{color:var(--text);transform:translate(-50%,-2px)}.back-to-top:active{transform:translate(-50%,0)}.contact-methods{position:relative;display:grid;padding-right:32px;gap:14px;overflow:visible}.contact-method{--contact-offset: 0px;position:relative;display:grid;width:calc(100% - var(--contact-offset));min-height:88px;margin-left:var(--contact-offset);padding:18px 22px;grid-template-columns:64px minmax(0,1fr) auto;align-items:center;gap:14px;overflow:visible;border:1px solid var(--border-strong);border-radius:var(--radius-card);background:#151516;color:var(--text);font:inherit;text-align:left;cursor:copy;transition:border-color 220ms ease,background-color 220ms ease,box-shadow 220ms ease,transform 220ms var(--ease-out)}.contact-method:hover{border-color:#5b5b61;background:#1b1b1d;box-shadow:0 18px 46px rgb(0 0 0 / 0.24);transform:translateY(-2px)}.contact-method:active{transform:translateY(1px) scale(0.988)}.contact-method.is-copied{border-color:var(--violet);background:rgb(216 180 254 / 0.1)}.contact-method-label{color:var(--quiet);font-family:"JetBrains Mono Local","SFMono-Regular",Consolas,monospace;font-size:12px;font-weight:650;letter-spacing:0.08em}.contact-method-value{min-width:0;overflow-wrap:anywhere;font-size:clamp(17px,1.5vw,21px);font-weight:580;letter-spacing:-0.025em}.contact-method-action,.contact-method-feedback{grid-column:3;grid-row:1;color:var(--quiet);font-size:11px;font-weight:560;line-height:1.35;text-align:right;transition:opacity 160ms ease,transform 180ms var(--ease-out)}.contact-method-feedback{color:var(--violet);opacity:0;transform:translateY(5px)}.contact-method.is-copied .contact-method-action{opacity:0;transform:translateY(-5px)}.contact-method.is-copied .contact-method-feedback{opacity:1;transform:translateY(0)}.wechat-qr{position:absolute;top:auto;right:auto;bottom:calc(100% + 18px);left:50%;z-index:2;display:grid;width:min(238px,32vw);padding:10px 10px 12px;gap:8px;border:1px solid rgb(255 255 255 / 0.5);border-radius:var(--radius-card);background:#f7f7f5;box-shadow:0 28px 80px rgb(0 0 0 / 0.5);color:#191919;opacity:0;visibility:hidden;pointer-events:none;transform:translate(-50%,12px) scale(0.96);transform-origin:center bottom;transition:opacity 180ms ease,visibility 180ms ease,transform 260ms var(--ease-out)}.wechat-qr img{display:block;width:100%;height:auto;border-radius:12px}.wechat-qr>span{font-size:12px;font-weight:680;text-align:center}.contact-method-wechat:hover .wechat-qr,.contact-method-wechat:focus .wechat-qr,.contact-method-wechat:focus-visible .wechat-qr{opacity:1;visibility:visible;transform:translate(-50%,0) scale(1)}@media(prefers-reduced-motion:no-preference){.contact-section .contact-methods[data-contact-reveal]{opacity:0;transform:translateY(26px)}.contact-section.is-visible .contact-methods[data-contact-reveal]{animation:contact-enter 760ms var(--ease-out) var(--contact-delay, 0ms) both}.contact-char{display:inline-block;opacity:0;transform:translateX(var(--contact-char-shift, -0.6em))}.contact-copy h2 .contact-char{--contact-char-shift: -0.38em}.contact-section.is-visible .contact-char{animation:contact-char-enter 520ms var(--ease-out) var(--contact-char-delay) both}@keyframes contact-enter{to{opacity:1;transform:translateY(0)}}@keyframes contact-char-enter{to{opacity:1;transform:translateX(0)}}}@media(max-width:960px){.contact-shell{grid-template-columns:1fr;gap:clamp(52px,8vw,80px)}.contact-copy h2{max-width:10ch}.contact-methods{width:min(100%,680px);padding-right:0}.contact-method{--contact-offset: 0px !important;width:100%;margin-left:0}.wechat-qr{top:auto;right:auto;bottom:calc(100% + 12px);left:50%;width:min(226px,calc(100vw - 48px));transform:translate(-50%,12px) scale(0.96);transform-origin:center bottom}.contact-method-wechat:hover .wechat-qr,.contact-method-wechat:focus .wechat-qr,.contact-method-wechat:focus-visible .wechat-qr{transform:translate(-50%,0) scale(1)}}@media(max-width:720px){.contact-section{min-height:auto;padding:108px 0 82px}.back-to-top{bottom:20px}.contact-shell{width:calc(100% - 32px)}.contact-copy h2{max-width:none;font-size:clamp(44px,12vw,58px);letter-spacing:-0.06em}.contact-message{margin-top:30px;gap:16px}.contact-message p{font-size:16px;line-height:1.75}.contact-method{min-height:82px;padding:16px 17px;grid-template-columns:44px minmax(0,1fr);gap:12px}.contact-method-action,.contact-method-feedback{display:none}.contact-method-value{font-size:clamp(16px,4.6vw,19px)}}@media(forced-colors:active){.contact-method.is-copied{border-color:Highlight}}