*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{font-size:calc(100vw/375*100)}
body{font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Helvetica Neue','Microsoft YaHei',sans-serif;background:#f8fafc;color:#1e293b;font-size:14px;line-height:1.5;overflow-x:hidden;-webkit-font-smoothing:antialiased}
:root{--primary:#4f46e5;--primary-light:#818cf8;--primary-dark:#3730a3;--primary-bg:#eef2ff;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--vip:#f59e0b;--bg:#f8fafc;--surface:#fff;--text:#1e293b;--text-secondary:#64748b;--text-muted:#94a3b8;--border:#e2e8f0;--shadow:0 1px 3px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);--shadow-md:0 4px 12px rgba(0,0,0,.08);--safe-top:env(safe-area-inset-top,0);--safe-bottom:env(safe-area-inset-bottom,0);--tabbar-h:56px}
a{text-decoration:none;color:inherit}

/* ====== View Container ====== */
.view-container{display:none;padding-top:var(--safe-top);padding-bottom:calc(var(--tabbar-h) + var(--safe-bottom));min-height:100vh;animation:fadeIn .25s ease}
.view-container.active{display:block}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

/* ====== Header ====== */
.view-header{background:var(--surface);border-bottom:1px solid var(--border)}
.view-header-inner{max-width:600px;margin:0 auto;padding:16px 20px}
.brand{font-size:20px;font-weight:700;color:var(--text);letter-spacing:-.3px}
.brand span{color:var(--primary);font-weight:300}
.brand-sub{font-size:12px;color:var(--text-secondary);margin-top:2px;font-weight:400}

/* ====== View Body ====== */
.view-body{max-width:600px;margin:0 auto;padding:16px}

/* ====== Search ====== */
.search-card{background:var(--surface);border-radius:12px;padding:4px 16px;box-shadow:var(--shadow);border:1px solid var(--border)}
.search-input-wrap{display:flex;align-items:center;gap:10px}
.search-icon{color:var(--text-muted);flex-shrink:0}
.search-input{flex:1;border:none;outline:none;font-size:15px;padding:13px 0;color:var(--text);background:transparent}
.search-input::placeholder{color:var(--text-muted)}
.search-clear{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:6px;display:none;border-radius:50%;transition:background .15s}
.search-clear:hover{background:var(--bg)}
.search-input:not(:placeholder-shown)~.search-clear{display:block}

/* ====== Section Label ====== */
.section-label{font-size:13px;font-weight:600;color:var(--text-secondary);margin-bottom:10px;letter-spacing:.3px;text-transform:uppercase}

/* ====== Mode Cards ====== */
.mode-group{margin-top:20px}
.mode-cards{display:flex;gap:10px}
.mode-card{flex:1;background:var(--surface);border:1.5px solid var(--border);border-radius:12px;padding:16px;cursor:pointer;transition:all .2s}
.mode-card:active{transform:scale(.98)}
.mode-card.active{border-color:var(--primary);background:var(--primary-bg);box-shadow:0 0 0 1px var(--primary)}
.mode-card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.mode-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:var(--bg);color:var(--text-secondary)}
.mode-card.active .mode-icon{background:var(--primary);color:#fff}
.mode-badge{font-size:10px;padding:2px 8px;border-radius:10px;background:#f1f5f9;color:var(--text-secondary);font-weight:600}
.mode-badge.vip{background:#fef3c7;color:#d97706}
.mode-name{font-size:15px;font-weight:600;margin-bottom:4px}
.mode-desc{font-size:12px;color:var(--text-secondary);line-height:1.4}

/* ====== Button ====== */
.btn-primary{display:block;width:100%;padding:14px;border:none;border-radius:10px;font-size:15px;font-weight:600;color:#fff;background:var(--primary);cursor:pointer;margin-top:20px;transition:all .15s;box-shadow:0 1px 3px rgba(79,70,229,.3)}
.btn-primary:active{transform:scale(.98);background:var(--primary-dark);box-shadow:0 1px 2px rgba(79,70,229,.2)}
.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn-outline{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border:1.5px solid var(--border);border-radius:10px;font-size:14px;font-weight:500;color:var(--text-secondary);background:var(--surface);cursor:pointer;transition:all .15s}
.btn-outline:active{background:var(--bg)}
.btn-logout{display:flex;width:100%;justify-content:center;margin-top:24px;color:var(--danger);border-color:#fecaca}
.btn-logout:active{background:#fef2f2}

/* ====== Model Chips ====== */
.model-section{margin-top:24px}
.model-chips{display:flex;flex-wrap:wrap;gap:8px}
.model-chip{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:20px;font-size:12px;background:var(--surface);border:1px solid var(--border);color:var(--text-secondary)}
.model-dot{width:7px;height:7px;border-radius:50%;flex-shrink:0}

/* ====== Loading ====== */
.loading-wrap{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:70vh;padding:40px 24px;text-align:center}
.loading-spinner{width:48px;height:48px;margin-bottom:4px}
.spinner-circle{animation:spin 1s linear infinite;transform-origin:center}
@keyframes spin{to{transform:rotate(360deg)}}
.loading-title{font-size:18px;font-weight:600;margin-bottom:6px}
.loading-sub{font-size:13px;color:var(--text-secondary);margin-bottom:28px}
.loading-bar-wrap{width:100%;max-width:280px;text-align:center}
.loading-bar{height:4px;background:#e2e8f0;border-radius:2px;overflow:hidden}
.loading-bar-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-light));border-radius:2px;transition:width .4s ease;width:0}
.loading-bar-text{display:block;font-size:12px;color:var(--text-muted);margin-top:8px}
.loading-tip{display:inline-flex;align-items:center;gap:6px;margin-top:32px;padding:10px 16px;background:var(--primary-bg);border-radius:8px;font-size:12px;color:var(--primary);line-height:1.4}

/* ====== Report ====== */
.report-view-header{position:sticky;top:0;z-index:10;background:var(--surface)}
.icon-btn{background:none;border:none;cursor:pointer;color:var(--text-secondary);padding:6px;border-radius:8px;transition:background .15s;display:flex;align-items:center}
.icon-btn:active{background:var(--bg)}
.report-summary-card{background:var(--surface);border-radius:14px;padding:24px 20px 20px;text-align:center;box-shadow:var(--shadow);border:1px solid var(--border)}
.report-brand-section{margin-bottom:14px}
.report-brand-name{font-size:22px;font-weight:700}
.report-meta{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:4px}
.report-time{font-size:12px;color:var(--text-muted)}
.report-type{font-size:10px;padding:2px 8px;border-radius:8px;background:var(--primary-bg);color:var(--primary);font-weight:500}
.score-ring-wrap{position:relative;width:130px;height:130px;margin:0 auto}
.score-ring{width:100%;height:100%}
.score-text{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center}
.score-num{font-size:30px;font-weight:700;color:var(--primary);display:block;line-height:1}
.score-lbl{font-size:10px;color:var(--text-muted);display:block;margin-top:2px}
.score-grade{display:inline-block;margin-top:4px;font-size:11px;font-weight:700;padding:1px 8px;border-radius:6px}
.score-grade.a{background:#ecfdf5;color:#059669}
.score-grade.b{background:#eef2ff;color:#4f46e5}
.score-grade.c{background:#fef3c7;color:#d97706}
.score-grade.d{background:#fff7ed;color:#ea580c}
.score-grade.f{background:#fef2f2;color:#dc2626}
.report-summary-stats{display:flex;gap:0;margin-top:16px;padding-top:14px;border-top:1px solid var(--border)}
.summary-stat{flex:1;text-align:center}
.summary-stat+.summary-stat{border-left:1px solid var(--border)}
.summary-stat-val{font-size:16px;font-weight:700;color:var(--text);display:block}
.summary-stat-lbl{font-size:10px;color:var(--text-muted);display:block;margin-top:2px}

/* ====== Key Findings ====== */
.findings-list{display:flex;flex-direction:column;gap:8px}
.finding-card{border-radius:10px;padding:12px 14px;display:flex;gap:10px;align-items:flex-start;border:1px solid var(--border)}
.finding-card.positive{background:#f0fdf4;border-color:#bbf7d0}
.finding-card.info{background:#eff6ff;border-color:#bfdbfe}
.finding-card.warning{background:#fffbeb;border-color:#fde68a}
.finding-card.negative{background:#fef2f2;border-color:#fecaca}
.finding-dot{width:8px;height:8px;border-radius:50%;margin-top:5px;flex-shrink:0}
.finding-card.positive .finding-dot{background:#059669}
.finding-card.info .finding-dot{background:#3b82f6}
.finding-card.warning .finding-dot{background:#d97706}
.finding-card.negative .finding-dot{background:#dc2626}
.finding-body{flex:1}
.finding-title{font-size:13px;font-weight:600;margin-bottom:2px}
.finding-content{font-size:12px;color:var(--text-secondary);line-height:1.5}

/* ====== Score Breakdown ====== */
.score-breakdown-card{background:var(--surface);border-radius:12px;padding:16px;border:1px solid var(--border);box-shadow:var(--shadow)}
.breakdown-row{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.breakdown-row:last-child{margin-bottom:0}
.breakdown-label{font-size:12px;color:var(--text-secondary);width:72px;flex-shrink:0}
.breakdown-bar-wrap{flex:1;height:6px;background:#f1f5f9;border-radius:3px;overflow:hidden}
.breakdown-bar{height:100%;border-radius:3px;transition:width .6s ease;background:linear-gradient(90deg,#4f46e5,#818cf8)}
.breakdown-val{font-size:12px;font-weight:700;width:40px;text-align:right;flex-shrink:0;color:var(--text)}

/* ====== Suggestion Categories ====== */
.cat-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.cat-card{background:var(--surface);border-radius:10px;padding:12px;text-align:center;border:1px solid var(--border);box-shadow:var(--shadow)}
.cat-card .cat-count{font-size:20px;font-weight:700;color:var(--primary);display:block}
.cat-card .cat-lbl{font-size:11px;color:var(--text-muted);display:block;margin-top:2px}
.compare-chart{display:flex;flex-direction:column;gap:8px;background:var(--surface);border-radius:12px;padding:16px;border:1px solid var(--border);box-shadow:var(--shadow)}
.compare-row{display:flex;align-items:center;gap:10px}
.compare-label{font-size:12px;font-weight:600;width:60px;flex-shrink:0;color:var(--text)}
.compare-bar-wrap{flex:1;height:22px;background:#f1f5f9;border-radius:11px;overflow:hidden;position:relative}
.compare-bar{height:100%;border-radius:11px;transition:width .6s ease;display:flex;align-items:center;padding-left:8px}
.compare-bar.mentioned{background:linear-gradient(90deg,#4f46e5,#818cf8)}
.compare-bar.unmentioned{background:linear-gradient(90deg,#94a3b8,#cbd5e1)}
.compare-bar span{font-size:10px;color:#fff;font-weight:600;white-space:nowrap}
.compare-val{font-size:12px;font-weight:700;width:30px;text-align:right;flex-shrink:0;color:var(--text)}

/* ====== Model Result ====== */
.report-section{margin-top:20px}
.model-result{background:var(--surface);border-radius:12px;padding:16px;margin-bottom:10px;border:1px solid var(--border);box-shadow:var(--shadow)}
.model-result:last-child{margin-bottom:0}
.model-result-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.model-result-name{font-size:15px;font-weight:600}
.model-result-badge{font-size:11px;padding:3px 10px;border-radius:10px;font-weight:500}
.model-result-badge.mentioned{background:#ecfdf5;color:#059669}
.model-result-badge.unmentioned{background:#fef2f2;color:#dc2626}
.model-result-body{display:flex;flex-direction:column;gap:10px}
.model-vis-bar{display:flex;align-items:center;gap:8px}
.model-vis-bar-label{font-size:11px;color:var(--text-muted);width:48px;flex-shrink:0}
.model-vis-bar-track{flex:1;height:6px;background:#f1f5f9;border-radius:3px;overflow:hidden}
.model-vis-bar-fill{height:100%;border-radius:3px;transition:width .6s ease}
.model-vis-bar-val{font-size:12px;font-weight:700;width:28px;text-align:right;flex-shrink:0}
.model-result-stats{display:flex;gap:0;border-top:1px solid var(--border);padding-top:10px;margin-top:2px}
.model-stat{flex:1;text-align:center;position:relative}
.model-stat+.model-stat{border-left:1px solid var(--border)}
.model-stat-val{font-size:15px;font-weight:700;display:block}
.model-stat-lbl{font-size:10px;color:var(--text-muted);display:block;margin-top:1px}
.model-result-suggestions{margin-top:10px;padding-top:10px;border-top:1px dashed var(--border)}
.model-result-suggestions summary{font-size:12px;color:var(--primary);cursor:pointer;font-weight:500}
.model-result-suggestions .sug-item{font-size:12px;color:var(--text-secondary);padding:6px 0 0 12px;line-height:1.5}
.model-result-content details{margin-top:8px}
.model-result-content summary{font-size:11px;color:var(--text-muted);cursor:pointer}
.model-result-content .raw-text{font-size:11px;color:#666;line-height:1.6;padding:8px;background:#f8fafc;border-radius:6px;margin-top:4px;max-height:100px;overflow-y:auto;white-space:pre-wrap;word-break:break-all}
.suggestion-card{background:var(--surface);border-radius:12px;padding:16px;margin-bottom:10px;border-left:3px solid var(--primary);box-shadow:var(--shadow);border:1px solid var(--border);border-left-width:3px}
.suggestion-title{font-size:14px;font-weight:600;margin-bottom:6px}
.suggestion-content{font-size:13px;color:var(--text-secondary);line-height:1.6}

/* ====== History ====== */
.history-list{display:flex;flex-direction:column;gap:8px}
.history-item{background:var(--surface);border-radius:12px;padding:14px 16px;display:flex;align-items:center;justify-content:space-between;cursor:pointer;border:1px solid var(--border);transition:all .15s}
.history-item:active{background:var(--bg);transform:scale(.99)}
.history-item-left{flex:1;min-width:0}
.history-item-brand{font-size:15px;font-weight:600}
.history-item-meta{font-size:12px;color:var(--text-muted);margin-top:3px}
.history-item-score{font-size:20px;font-weight:700;color:var(--primary);margin-left:12px}
.history-item-status{font-size:11px;color:var(--text-muted);margin-top:2px}

/* ====== Empty State ====== */
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;text-align:center;gap:12px}
.empty-state p{font-size:14px;color:var(--text-muted)}

/* ====== Profile ====== */
.profile-card{display:flex;align-items:center;gap:14px;padding:16px;background:var(--surface);border-radius:12px;border:1px solid var(--border);box-shadow:var(--shadow)}
.profile-avatar{width:48px;height:48px;border-radius:50%;background:var(--primary-bg);color:var(--primary);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.profile-info{flex:1;min-width:0}
.profile-name{font-size:16px;font-weight:600}
.profile-level{font-size:12px;color:var(--vip);margin-top:2px;display:inline-block;padding:1px 8px;background:#fef3c7;border-radius:8px;font-weight:500}
.profile-arrow{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:8px;border-radius:8px;transition:background .15s}
.profile-arrow:active{background:var(--bg)}
.stats-row{display:flex;gap:10px;margin-top:14px}
.stat-card{flex:1;background:var(--surface);border-radius:12px;padding:16px 10px;text-align:center;border:1px solid var(--border)}
.stat-val{font-size:22px;font-weight:700;color:var(--primary);display:block;line-height:1.2}
.stat-lbl{font-size:11px;color:var(--text-muted);display:block;margin-top:4px}

/* ====== Login Card ====== */
.login-card{display:flex;flex-direction:column;align-items:center;padding:48px 24px;text-align:center}
.login-card-icon{width:80px;height:80px;border-radius:50%;background:var(--bg);display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.login-card-title{font-size:18px;font-weight:600;margin-bottom:8px}
.login-card-desc{font-size:13px;color:var(--text-muted);margin-bottom:28px;line-height:1.5}

/* ====== Menu Group ====== */
.menu-group{margin-top:24px}
.menu-list{background:var(--surface);border-radius:12px;border:1px solid var(--border);overflow:hidden}
.menu-item{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;cursor:pointer;transition:background .15s;color:var(--text-secondary)}
.menu-item:active{background:var(--bg)}
.menu-item+.menu-item{border-top:1px solid var(--border)}
.menu-item-left{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:500;color:var(--text)}

/* ====== Form ====== */
.form-group{margin-bottom:16px}
.form-label{display:block;font-size:13px;font-weight:600;color:var(--text-secondary);margin-bottom:6px}
.form-input{width:100%;padding:12px 14px;border:1.5px solid var(--border);border-radius:10px;font-size:15px;color:var(--text);outline:none;background:var(--bg);transition:border-color .2s}
.form-input:focus{border-color:var(--primary);background:var(--surface)}

/* ====== Order List ====== */
.order-item{display:flex;align-items:center;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--border)}
.order-item:last-child{border-bottom:none}
.order-item-left{flex:1;min-width:0}
.order-item-name{font-size:14px;font-weight:600}
.order-item-meta{font-size:12px;color:var(--text-muted);margin-top:3px}
.order-item-price{font-size:16px;font-weight:700;color:var(--danger);margin-left:12px}
.order-item-status{font-size:11px;padding:2px 8px;border-radius:8px;margin-left:8px;display:inline-block}
.order-item-status.paid{background:#ecfdf5;color:#059669}
.order-item-status.pending{background:#fef3c7;color:#d97706}
.order-item-status.refunded{background:#f1f5f9;color:#64748b}

/* ====== Plans ====== */
.plan-list{display:flex;flex-direction:column;gap:10px}
.plan-card{background:var(--surface);border-radius:12px;padding:16px;border:1.5px solid var(--border);transition:all .15s}
.plan-card.recommended{border-color:var(--vip);background:linear-gradient(135deg,#fffbeb 0%,#fff 100%)}
.plan-card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.plan-name{font-size:16px;font-weight:600}
.plan-price{font-size:20px;font-weight:700;color:var(--danger)}
.plan-price small{font-size:12px;font-weight:400;color:var(--text-muted)}
.plan-features{display:flex;flex-wrap:wrap;gap:4px 16px;margin-bottom:10px}
.plan-feature{font-size:12px;color:var(--text-secondary)}
.plan-feature::before{content:'\2713';color:var(--success);margin-right:4px;font-weight:700}
.btn-buy{display:block;width:100%;padding:10px;border:none;border-radius:8px;font-size:14px;font-weight:600;color:#fff;background:var(--primary);cursor:pointer;transition:all .15s}
.btn-buy:active{background:var(--primary-dark);transform:scale(.98)}
.btn-buy:disabled{background:#94a3b8;cursor:default;opacity:1}

/* ====== Tabbar ====== */
.tabbar{position:fixed;bottom:0;left:0;right:0;height:calc(var(--tabbar-h) + var(--safe-bottom));padding-bottom:var(--safe-bottom);background:var(--surface);border-top:1px solid var(--border);display:flex;z-index:999;box-shadow:0 -1px 4px rgba(0,0,0,.04)}
.tabbar-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;background:none;border:none;cursor:pointer;color:var(--text-muted);transition:color .15s;font-size:10px;font-weight:500}
.tabbar-item svg{transition:color .15s}
.tabbar-item.active{color:var(--primary)}
.tabbar-item.active svg{stroke:var(--primary);stroke-width:2.2}

/* ====== Modal ====== */
.modal-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(15,23,42,.5);z-index:200;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(2px)}
.modal-overlay.active{display:flex;animation:fadeIn .2s ease}
.modal-sheet{background:var(--surface);border-radius:16px;width:100%;max-width:400px;max-height:calc(100vh - 40px);overflow-y:auto;animation:slideUp .25s ease;margin:auto}
@keyframes slideUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
.modal-handle{width:36px;height:4px;background:#e2e8f0;border-radius:2px;margin:10px auto 0}
.modal-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px 8px}
.modal-header h3{font-size:17px;font-weight:600}
.modal-close{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:4px;border-radius:6px}
.modal-close:active{background:var(--bg)}
.modal-body{padding:8px 20px 20px}
.modal-desc{font-size:13px;color:var(--text-secondary);margin-bottom:16px;line-height:1.5}
.modal-plans{display:flex;flex-direction:column;gap:10px}
.modal-safe-area{height:var(--safe-bottom)}
.btn-view-cases{font-size:13px;color:var(--primary);border-color:var(--primary);justify-content:center}
.cases-grid{display:flex;flex-direction:column;gap:12px;padding:4px 0}
.case-card{background:var(--surface);border-radius:12px;border:1px solid var(--border);overflow:hidden;box-shadow:var(--shadow)}
.case-img{width:100%;height:auto;aspect-ratio:16/9;background:var(--bg);display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:12px;overflow:hidden}
.case-img img{width:100%;height:100%;object-fit:cover}
.case-img-placeholder{display:flex;flex-direction:column;align-items:center;gap:6px;color:var(--text-muted)}
.case-body{padding:12px 14px}
.case-body-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}
.case-title{font-size:14px;font-weight:600}
.case-score{font-size:14px;font-weight:700;color:var(--primary)}
.case-brand{font-size:12px;color:var(--text-muted);margin-bottom:4px}
.case-desc{font-size:12px;color:var(--text-secondary);line-height:1.5}

/* ====== Misc ====== */
.hidden{display:none!important}
.loading-spinner-sm{text-align:center;padding:16px}
.loading-spinner-sm .spinner{display:inline-block;width:20px;height:20px;border:2px solid #e2e8f0;border-top-color:var(--primary);border-radius:50%;animation:spin .6s linear infinite}

.report-cta-card{background:linear-gradient(135deg,#eef2ff,#fff);border-radius:12px;padding:16px;border:1.5px solid #4f46e5;display:flex;align-items:center;justify-content:space-between;gap:12px}
.report-cta-title{font-size:14px;font-weight:600;color:#1e293b}
.report-cta-desc{font-size:12px;color:#64748b;margin-top:2px;line-height:1.4}