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var(--yc-transition)}.modal-compact__btn--primary{background:var(--yc-primary-btn);color:#fff}.modal-compact__btn--primary:hover{background:var(--yc-primary-btn-hover);color:#fff}.modal-compact__btn--wechat{background:#16a34a;color:#fff}.modal-compact__btn--wechat:hover{background:#15803d}.modal-wechat-qr{width:180px;height:180px;margin:0 auto 16px;padding:8px;background:#fff;border:1px solid var(--yc-border);border-radius:12px}.modal-wechat-qr img{width:100%;height:100%;object-fit:contain}.modal-wechat-id{margin-bottom:20px}.modal-wechat-id label{display:block;margin-bottom:6px;font-size:13px;color:var(--yc-text-secondary)}.modal-wechat-id span{font-size:1.1rem;font-weight:600;color:#16a34a}@media (max-width: 768px){.yc-modal{padding:0;align-items:flex-end}.yc-modal__panel{width:100%;max-height:min(92dvh,720px);border-radius:20px 20px 0 0;transform:translateY(100%);overflow:auto;-webkit-overflow-scrolling:touch}.yc-modal.is-visible .yc-modal__panel{transform:translateY(0)}#modal-trial .yc-modal__panel--wide{display:flex;flex-direction:column;width:100%;max-height:min(92dvh,100%);border-radius:16px 16px 0 0;overflow:hidden;grid-template-columns:unset}#modal-trial .modal-close{top:10px;right:10px;width:36px;height:36px;background:rgba(255,255,255,.18);color:#fff;font-size:20px}#modal-trial .modal-close:hover{background:rgba(255,255,255,.28)}#modal-trial .trial-aside{flex-shrink:0;padding:20px 48px 16px 20px;text-align:left;justify-content:flex-start}#modal-trial .trial-aside h3{margin:0 0 8px;font-size:1.15rem;line-height:1.4}#modal-trial .trial-aside h3 br{display:none}#modal-trial .trial-aside p{margin:0;font-size:13px;line-height:1.55;color:#ffffffc7}#modal-trial .trial-aside ul{display:none}#modal-trial .trial-main{flex:1;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:20px 20px 0;background:var(--yc-surface)}#modal-trial .trial-main>#trial-form-wrap>h3{display:none}#modal-trial .trial-sub{margin:0 0 16px;font-size:13px;line-height:1.5}#modal-trial .trial-form .form-row{margin-bottom:14px}#modal-trial .trial-form input,#modal-trial .trial-form select,#modal-trial .trial-form textarea{font-size:16px;padding:12px 14px;border-radius:10px}#modal-trial .trial-form textarea{min-height:72px}#modal-trial .trial-form-footer{position:sticky;bottom:0;margin:8px -20px 0;padding:12px 20px calc(12px + env(safe-area-inset-bottom));background:linear-gradient(180deg,rgba(255,255,255,0) 0%,#fff 24%)}#modal-trial .trial-form .btn-submit{margin-top:0;padding:15px;border-radius:12px;box-shadow:0 8px 20px #1677ff40}#modal-trial .trial-success{padding:40px 20px calc(32px + env(safe-area-inset-bottom))}#modal-trial .trial-success .btn{width:100%}.modal-compact{padding:28px 24px calc(24px + env(safe-area-inset-bottom))}.modal-phone-box span{font-size:1.5rem}.modal-close{top:10px;right:10px;width:40px;height:40px}}@media (max-width: 768px){:root{--yc-header-h: 56px;--yc-container: min(1120px, calc(100% - 32px))}html{-webkit-text-size-adjust:100%}body{overflow-x:hidden}.btn,.float-toolbar__item,.mobile-bottom-bar__btn{touch-action:manipulation;-webkit-tap-highlight-color:transparent}.logo{font-size:16px;gap:8px}.logo img{width:32px;height:32px}.nav-toggle{width:44px;height:44px;position:relative;z-index:1}.site-header{z-index:103;-webkit-backdrop-filter:none;backdrop-filter:none;background:rgba(255,255,255,.98)}.site-nav{position:fixed;top:var(--yc-header-h);left:0;right:0;bottom:0;z-index:102;display:flex;flex-direction:column;align-items:stretch;gap:0;padding:8px 20px calc(24px + env(safe-area-inset-bottom));background:var(--yc-surface);overflow-y:auto;-webkit-overflow-scrolling:touch;transform:translate(100%);visibility:hidden;transition:transform .28s ease,visibility .28s ease;box-shadow:-4px 0 24px #0f172a14;pointer-events:auto}.site-nav.is-open{transform:translate(0);visibility:visible}.site-nav a{padding:16px 4px;font-size:16px;border-bottom:1px solid var(--yc-border)}.nav-cta{margin:16px 0 0;width:100%;padding:14px;font-size:16px}.nav-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:101;background:rgba(15,23,42,.45);opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease}.nav-backdrop.is-visible{opacity:1;visibility:visible}.hero{padding:calc(var(--yc-header-h) + 28px) 0 48px}.hero-grid{gap:28px}.hero-content{text-align:center}.hero-badge{font-size:12px;padding:5px 12px}.hero h1{font-size:1.65rem;margin-bottom:14px}.hero-desc{font-size:15px;max-width:none;margin-bottom:22px;line-height:1.75}.hero-actions{flex-direction:column;gap:10px;margin-bottom:24px}.hero-actions .btn-primary{display:none}.hero-actions .btn{width:100%;padding:14px 20px}.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.hero-stats li{padding:14px 8px;background:var(--yc-surface);border:1px solid var(--yc-border);border-radius:12px;align-items:center;text-align:center;box-shadow:var(--yc-shadow)}.hero-stats strong{font-size:18px}.hero-stats span{font-size:11px;line-height:1.35}.hero-visual{border-radius:var(--yc-radius);max-width:none}.section{padding:48px 0}.section-header{margin-bottom:32px}.section-header h2{font-size:1.45rem}.section-desc{font-size:14px;line-height:1.7}.section-header-left{text-align:center}.pain-grid{grid-template-columns:1fr;gap:12px}.pain-card{display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;column-gap:14px;row-gap:4px;padding:16px 18px;align-items:start}.pain-icon{grid-row:1 / 3;margin-bottom:0;width:36px;height:36px;font-size:12px}.pain-card h3{font-size:16px;margin:0;align-self:end}.pain-card p{grid-column:2;font-size:13px;line-height:1.6}.ai-qa-content{text-align:center}.ai-qa-lead{max-width:none;font-size:14px;margin-bottom:22px}.ai-qa-points{text-align:left;gap:14px}.ai-qa-chips{justify-content:center}.ai-qa-chips span{font-size:12px;padding:5px 12px}.ai-qa-cta{width:100%}.ai-qa-visual{order:-1}.feature-list{gap:36px}.feature-item{gap:16px;padding:20px;background:var(--yc-surface);border:1px solid var(--yc-border);border-radius:var(--yc-radius-lg);box-shadow:var(--yc-shadow)}.feature-media{border-radius:var(--yc-radius);box-shadow:none}.feature-body h3{font-size:1.2rem;margin-bottom:8px}.feature-body p{font-size:14px;line-height:1.7}.advantage-grid{grid-template-columns:repeat(2,1fr);gap:12px}.advantage-card{padding:18px 16px}.advantage-num{width:32px;height:32px;font-size:14px;margin-bottom:10px}.advantage-card h3{font-size:15px}.advantage-card p{font-size:12px;line-height:1.55}.case-grid{grid-template-columns:1fr;gap:16px}.case-body{padding:18px}.case-body h3{font-size:16px}.partner-grid{grid-template-columns:repeat(2,1fr);gap:12px}.partner-item{padding:16px;min-height:72px}.contact-grid{gap:28px}.contact-list li{grid-template-columns:1fr;gap:4px;padding:12px 0}.contact-benefits{padding:18px;background:var(--yc-bg);border-radius:var(--yc-radius);border:1px solid var(--yc-border)}.contact-benefits ul{padding-left:16px;font-size:13px}.contact-qr{flex-direction:column;gap:12px}.qr-card{width:100%;padding:20px}.site-footer{padding:32px 0 calc(88px + env(safe-area-inset-bottom))}.footer-inner{text-align:center}.footer-brand .logo{justify-content:center}.footer-nav{justify-content:center;gap:12px 20px}.mobile-bottom-bar{display:block;position:fixed;left:0;right:0;bottom:0;z-index:88;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.96);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid var(--yc-border);box-shadow:0 -6px 24px #0f172a14}.mobile-bottom-bar__btn{display:flex;align-items:center;justify-content:center;width:100%;padding:14px 20px;border:none;border-radius:12px;background:linear-gradient(135deg,var(--yc-primary-btn),var(--yc-accent));color:#fff;font-size:16px;font-weight:600;font-family:inherit;cursor:pointer;box-shadow:0 8px 20px #1677ff47}body.modal-open .mobile-bottom-bar{display:none}}@media (min-width: 769px){.mobile-bottom-bar,.nav-backdrop{display:none}}@media (max-width: 480px){:root{--yc-container: min(1120px, calc(100% - 24px))}.hero h1{font-size:1.5rem}.hero-stats strong{font-size:16px}.hero-stats span{font-size:10px}.section-header h2{font-size:1.3rem}.advantage-grid{grid-template-columns:1fr}}@media (max-width: 768px){body.nav-open{overflow:hidden}}