.acu-page{--paper-50:#fefdfb;--paper-100:#f9f6f0;--paper-200:#f0ebe0;--ink-300:#8c8478;--ink-500:#5c5549;--ink-700:#3a342b;--ink-900:#1a1612;--jade-400:#3ba68f;--jade-500:#2d8f7b;--jade-600:#247a69;--jade-700:#1b6455;--gold-500:#c9a96e;--gold-600:#b8953a;--vermilion-500:#c73c3c;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--shadow-sm:0 1px 3px #00000014;--shadow-md:0 4px 12px #0000001a;--shadow-lg:0 8px 30px #0000001f;background:var(--paper-100);color:var(--ink-700);min-height:100vh;font-family:Noto Serif SC,STSong,serif;line-height:1.7}.acu-page .navbar{background:var(--paper-50);border-bottom:1px solid var(--paper-200);z-index:100;justify-content:space-between;align-items:center;height:52px;padding:0 32px;display:flex;position:sticky;top:0}.acu-page .navbar-brand{color:var(--ink-900);cursor:pointer;align-items:center;gap:8px;font-size:16px;font-weight:700;text-decoration:none;display:flex}.acu-page .nav-links{gap:20px;display:flex}.acu-page .nav-links a{color:var(--ink-500);font-size:13px;text-decoration:none;transition:all .2s}.acu-page .nav-links a:hover,.acu-page .nav-links a.active{color:var(--jade-500);font-weight:600}.page-header{text-align:center;background:linear-gradient(180deg,var(--paper-50),var(--paper-100));padding:108px 24px 32px}.page-header h1{color:var(--ink-900);letter-spacing:2px;margin-bottom:8px;font-size:28px}.page-header .subtitle{color:var(--ink-300);font-size:14px}.stats-bar{justify-content:center;gap:32px;margin-top:16px;display:flex}.stat-item{text-align:center}.stat-num{color:var(--jade-500);font-size:24px;font-weight:700}.stat-label{color:var(--ink-300);font-size:11px}.filter-area{max-width:900px;margin:0 auto 24px;padding:0 24px}.search-box{background:var(--paper-50);border:1px solid var(--paper-200);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);align-items:center;gap:8px;padding:8px 16px;display:flex}.search-box input{color:var(--ink-700);background:0 0;border:none;outline:none;flex:1;font-family:inherit;font-size:14px}.meridian-tabs{flex-wrap:wrap;justify-content:center;gap:6px;margin-top:12px;display:flex}.meridian-tab{cursor:pointer;border:1px solid var(--paper-200);background:var(--paper-50);color:var(--ink-500);border-radius:20px;padding:4px 12px;font-size:11px;transition:all .2s}.meridian-tab:hover,.meridian-tab.active{background:var(--jade-500);color:#fff;border-color:var(--jade-500)}.grid-container{max-width:1200px;margin:0 auto;padding:0 24px 40px}.acu-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;display:grid}.acu-card{background:var(--paper-50);border:1px solid var(--paper-200);border-radius:var(--radius-lg);cursor:pointer;padding:20px;transition:all .3s;position:relative;overflow:hidden}.acu-card:hover{box-shadow:var(--shadow-lg);border-color:var(--jade-400);transform:translateY(-3px)}.acu-card:before{content:"";background:linear-gradient(90deg,var(--jade-500),var(--jade-400));opacity:0;height:3px;transition:all .3s;position:absolute;top:0;left:0;right:0}.acu-card:hover:before{opacity:1}.acu-name{color:var(--ink-900);font-size:20px;font-weight:700}.acu-pinyin{color:var(--ink-300);margin-left:6px;font-family:sans-serif;font-size:11px}.acu-code{color:var(--jade-600);background:#2d8f7b1a;border-radius:4px;margin-left:4px;padding:2px 6px;font-family:monospace;font-size:10px;display:inline-block}.acu-meridian{color:var(--jade-600);margin-top:6px;font-size:12px;font-weight:600}.acu-location{color:var(--ink-500);margin-top:8px;font-size:12px;line-height:1.5}.acu-tags{flex-wrap:wrap;gap:4px;margin-top:10px;display:flex}.acu-tag{color:var(--jade-600);background:#2d8f7b14;border:1px solid #2d8f7b26;border-radius:12px;padding:2px 8px;font-size:10px}.meridian-stripe{border-radius:2px;height:4px;margin-top:8px}@keyframes pulse{0%,to{opacity:.6}50%{opacity:1}}.pulse-dot{background:var(--jade-500);border-radius:50%;width:6px;height:6px;animation:2s infinite pulse;position:absolute;top:12px;right:12px}.modal-overlay{z-index:200;background:#00000080;justify-content:center;align-items:center;display:none;position:fixed;inset:0}.modal-overlay.show{display:flex}.modal{background:var(--paper-50);border-radius:var(--radius-lg);width:90%;max-width:640px;max-height:85vh;box-shadow:var(--shadow-lg);position:relative;overflow-y:auto}.modal-header{border-bottom:1px solid var(--paper-200);background:var(--paper-50);z-index:1;border-radius:var(--radius-lg) var(--radius-lg) 0 0;padding:24px 28px 16px;position:sticky;top:0}.modal-close{background:var(--paper-200);cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:16px;display:flex;position:absolute;top:16px;right:16px}.modal-close:hover{background:var(--vermilion-500);color:#fff}.modal-name{color:var(--ink-900);font-size:26px;font-weight:700}.modal-meta{color:var(--ink-300);margin-top:4px;font-size:12px}.modal-body{padding:20px 28px 28px}.detail-section{margin-bottom:20px}.detail-label{color:var(--jade-600);align-items:center;gap:6px;margin-bottom:6px;font-size:12px;font-weight:600;display:flex}.detail-label:before{content:"";background:var(--jade-500);border-radius:2px;width:3px;height:14px;display:inline-block}.detail-text{color:var(--ink-700);font-size:14px;line-height:1.8}.detail-pills{flex-wrap:wrap;gap:6px;display:flex}.detail-pill{border-radius:16px;padding:4px 12px;font-size:12px}.pill-indication{color:var(--vermilion-500);background:#c73c3c14;border:1px solid #c73c3c26}.pill-pairing{color:var(--jade-600);cursor:pointer;background:#2d8f7b1a;border:1px solid #2d8f7b33;transition:all .2s}.pill-pairing:hover{background:var(--jade-500);color:#fff}.depth-box{border-radius:var(--radius-md);color:var(--jade-700);background:linear-gradient(135deg,#2d8f7b0d,#2d8f7b1a);border:1px solid #2d8f7b26;padding:12px 16px;font-size:14px}.source-box{background:var(--paper-200);border-radius:var(--radius-md);color:var(--ink-500);padding:10px 16px;font-size:13px;font-style:italic}.acu-footer{text-align:center;color:var(--vermilion-500);background:var(--paper-200);border-top:1px solid var(--paper-200);padding:24px;font-size:11px}.main-tabs{justify-content:center;gap:12px;margin:16px 0 12px;display:flex}.main-tab{border:2px solid var(--paper-200);border-radius:var(--radius-md);background:var(--paper-50);color:var(--ink-500);cursor:pointer;align-items:center;gap:8px;padding:10px 24px;font-family:inherit;font-size:14px;font-weight:600;transition:all .3s;display:flex}.main-tab:hover{border-color:var(--jade-400);color:var(--jade-600)}.main-tab.active{border-color:var(--jade-500);color:var(--jade-700);background:linear-gradient(135deg,#2d8f7b0f,#2d8f7b1f);box-shadow:0 2px 8px #2d8f7b26}.tab-count{background:var(--paper-200);min-width:28px;height:22px;color:var(--ink-500);border-radius:12px;justify-content:center;align-items:center;padding:0 8px;font-size:12px;font-weight:700;display:inline-flex}.main-tab.active .tab-count{background:var(--jade-500);color:#fff}.type-badge{vertical-align:middle;border-radius:4px;margin-left:8px;padding:2px 8px;font-size:10px;font-weight:600;display:inline-block}.badge-std{color:var(--jade-600);background:#2d8f7b1a;border:1px solid #2d8f7b33}.badge-named{color:var(--gold-600);background:#c9a96e1f;border:1px solid #c9a96e40}.badge-textual{color:var(--ink-300);background:#8c84781a;border:1px solid #8c847833}.book-group{margin-bottom:28px}.book-group-header{border-bottom:2px solid var(--gold-500);align-items:center;gap:8px;margin-bottom:16px;padding:12px 0;display:flex}.book-icon{font-size:20px}.book-name{color:var(--ink-900);letter-spacing:1px;font-size:18px;font-weight:700}.book-count{color:var(--ink-300);margin-left:auto;font-size:12px}.card-textual{opacity:.85;border-style:dashed}.card-textual:hover{opacity:1}.acu-source-preview{color:var(--ink-300);border-left:2px solid var(--gold-500);margin-top:8px;padding-left:8px;font-size:11px;font-style:italic;line-height:1.5}.card-locked{position:relative}.card-locked:after{content:"";border-radius:var(--radius-lg);pointer-events:none;background:linear-gradient(#0000 30%,#f9f6f0d9 70%);position:absolute;inset:0}.lock-badge{z-index:2;width:28px;height:28px;box-shadow:var(--shadow-sm);background:#f9f6f0e6;border-radius:50%;justify-content:center;align-items:center;font-size:14px;display:flex;position:absolute;top:10px;left:10px}.blurred-text{filter:blur(4px);-webkit-user-select:none;user-select:none;pointer-events:none}.unlock-hint{z-index:2;text-align:center;color:var(--jade-600);border:1px dashed var(--jade-400);border-radius:var(--radius-sm);background:#2d8f7b0f;margin-top:8px;padding:4px 8px;font-size:11px;font-weight:600;position:relative}.card-locked:hover .unlock-hint{color:var(--jade-700);background:#2d8f7b1f}.upgrade-modal{text-align:center;max-width:520px!important;padding:40px 32px 32px!important}.upgrade-icon{margin-bottom:12px;font-size:48px}.upgrade-title{color:var(--ink-900);letter-spacing:2px;margin-bottom:8px;font-family:Noto Serif SC,serif;font-size:22px;font-weight:700}.upgrade-desc{color:var(--ink-500);margin-bottom:24px;font-size:14px;line-height:1.8}.upgrade-tiers{grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:24px;display:grid}.upgrade-tier{border:1.5px solid var(--paper-200);border-radius:var(--radius-md);background:var(--paper-50);padding:16px 12px;transition:all .3s}.upgrade-tier:hover{border-color:var(--jade-400);transform:translateY(-2px)}.upgrade-tier.featured{border-color:var(--jade-500);background:linear-gradient(#2d8f7b0a,#2d8f7b1a);box-shadow:0 2px 8px #2d8f7b1f}.tier-name{margin-bottom:4px;font-size:16px;font-weight:700}.tier-price{color:var(--vermilion-500);margin-bottom:6px;font-size:18px;font-weight:900}.tier-benefit{color:var(--jade-600);font-size:11px;font-weight:600}.upgrade-btn{letter-spacing:3px;background:linear-gradient(135deg,var(--jade-500),var(--jade-600));color:#fff;border-radius:var(--radius-md);cursor:pointer;border:none;width:100%;padding:14px;font-family:Noto Serif SC,serif;font-size:15px;font-weight:700;transition:all .3s;display:block;box-shadow:0 4px 12px #2d8f7b4d}.upgrade-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #2d8f7b66}@media (max-width:768px){.acu-grid{grid-template-columns:1fr}.stats-bar{flex-wrap:wrap;gap:16px}.modal-header{padding:16px 20px 12px}.modal-body{padding:16px 20px 20px}.modal-name{font-size:20px}.search-box{padding:6px 12px}.search-box input{font-size:13px}.page-header{padding:88px 16px 24px}.grid-container{padding:0 16px 32px}.main-tabs{flex-direction:column;align-items:center;gap:8px}.main-tab{justify-content:center;width:100%;max-width:320px}.upgrade-tiers{grid-template-columns:1fr;max-width:240px;margin:0 auto 24px}.upgrade-modal{padding:28px 20px 24px!important}}.detail-link-btn{border:2px solid var(--jade-500);border-radius:var(--radius-md);color:var(--jade-600);letter-spacing:2px;cursor:pointer;background:linear-gradient(135deg,#2d8f7b0f,#2d8f7b1f);align-items:center;gap:6px;padding:10px 28px;font-family:Noto Serif SC,serif;font-size:14px;font-weight:700;transition:all .3s;display:inline-flex}.detail-link-btn:hover{background:var(--jade-500);color:#fff;transform:translateY(-2px);box-shadow:0 4px 12px #2d8f7b4d}.rx-search-area{text-align:center;padding:24px 0 32px}.rx-search-title{color:var(--ink-900);letter-spacing:1px;margin-bottom:6px;font-size:20px;font-weight:700}.rx-search-desc{color:var(--ink-300);margin-bottom:20px;font-size:13px}.rx-search-box{gap:0;max-width:520px;margin:0 auto;display:flex}.rx-input{border:2px solid var(--paper-200);border-radius:var(--radius-md) 0 0 var(--radius-md);background:var(--paper-50);color:var(--ink-700);border-right:none;outline:none;flex:1;padding:12px 18px;font-family:inherit;font-size:15px;transition:border-color .2s}.rx-input:focus{border-color:var(--jade-400)}.rx-btn{letter-spacing:2px;border:2px solid var(--jade-500);border-radius:0 var(--radius-md) var(--radius-md) 0;background:var(--jade-500);color:#fff;cursor:pointer;white-space:nowrap;padding:12px 24px;font-family:inherit;font-size:14px;font-weight:700;transition:all .2s}.rx-btn:hover{background:var(--jade-600);border-color:var(--jade-600)}.rx-hot-tags{flex-wrap:wrap;justify-content:center;gap:8px;max-width:520px;margin-top:16px;margin-left:auto;margin-right:auto;display:flex}.rx-hot-tag{border:1px solid var(--paper-200);background:var(--paper-50);color:var(--ink-500);cursor:pointer;border-radius:16px;padding:5px 14px;font-family:inherit;font-size:12px;transition:all .2s}.rx-hot-tag:hover{background:var(--jade-500);color:#fff;border-color:var(--jade-500)}.rx-result-header{color:var(--ink-500);border-bottom:1px dashed var(--paper-200);margin-bottom:16px;padding:8px 0;font-size:14px}.rx-result-header strong{color:var(--jade-600);font-size:18px}.tag-matched{font-weight:600;color:var(--vermilion-500)!important;background:#c73c3c14!important;border-color:#c73c3c33!important}@media (max-width:767px){.page-header{padding:76px 16px 20px}.page-header h1{letter-spacing:1px;font-size:24px}.page-header .subtitle{font-size:12px}.stats-bar{flex-wrap:wrap;gap:12px;margin-top:10px}.stat-num{font-size:20px}.stat-label{font-size:9px}.filter-area{padding:0 16px}.search-box input{font-size:16px}.meridian-tabs{scrollbar-width:none;flex-wrap:nowrap;justify-content:flex-start;padding-bottom:4px;overflow-x:auto}.meridian-tabs::-webkit-scrollbar{display:none}.meridian-tab{flex-shrink:0;font-size:11px}.main-tabs{scrollbar-width:none;flex-wrap:nowrap;justify-content:flex-start;gap:8px;padding:0 16px 4px;overflow-x:auto;flex-direction:row!important}.main-tabs::-webkit-scrollbar{display:none}.main-tab{flex-shrink:0;padding:8px 16px;font-size:13px;width:auto!important;max-width:none!important}.grid-container{padding:0 16px 32px}.acu-grid{grid-template-columns:repeat(2,1fr);gap:10px}.acu-card{padding:14px}.acu-card:hover{transform:none}.acu-name{font-size:17px}.acu-location{font-size:11px}.acu-tag{font-size:9px}.modal{border-radius:16px 16px 0 0;width:100%;max-width:100%;max-height:88vh;position:fixed;bottom:0;left:0;right:0}.rx-search-box{flex-direction:column;gap:8px}.rx-input{border-right:2px solid var(--paper-200);border-radius:var(--radius-md);font-size:16px}.rx-btn{border-radius:var(--radius-md)}.rx-hot-tags{scrollbar-width:none;flex-wrap:nowrap;justify-content:flex-start;overflow-x:auto}.rx-hot-tags::-webkit-scrollbar{display:none}.rx-hot-tag{flex-shrink:0}.upgrade-tiers{grid-template-columns:1fr;max-width:240px;margin:0 auto 24px}.upgrade-modal{padding:24px 16px 20px!important}}