/* ═══════════════════════════════════════════════
   睿枢AI研究工作站 · Loom 设计系统 v2.0
   ═══════════════════════════════════════════════ */

/* ── Design Tokens ── */
:root {
  /* Brand — Loom identity colors */
  --p: #059669;
  --p-light: #f0fdf4;
  --p-dark: #065f46;
  --p-bg: #f8fafc;
  --surface: #fff;
  --surface-hover: #f1f5f9;
  --border: #e2e8f0;
  --ink: #1c1917;
  --ink-2: #64748b;
  --ink-3: #94a3b8;

  /* Radius — mapped from Open Props --radius-* */
  --r: var(--radius-2, 8px);
  --r-lg: 12px;
  --r-xl: var(--radius-4, 16px);

  /* Shadows — mapped from Open Props --shadow-* */
  --shadow: var(--shadow-2, 0 1px 3px rgba(0,0,0,0.06));
  --shadow-md: var(--shadow-3, 0 4px 12px rgba(0,0,0,0.06));
  --shadow-lg: var(--shadow-4, 0 8px 24px rgba(0,0,0,0.08));
  --shadow-xl: var(--shadow-5, 0 12px 36px rgba(0,0,0,0.10));

  /* Motion */
  --ease-spring: var(--ease-spring-3, cubic-bezier(0.34, 1.56, 0.64, 1));
  --ease-out: var(--ease-out-3, cubic-bezier(0.16, 1, 0.3, 1));
  --duration-fast: 150ms;
  --duration-normal: 250ms;

  /* Space system — 8px base */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;

  /* Font size system */
  --text-xs: 11px;
  --text-sm: 12px;
  --text-base: 13px;
  --text-md: 14px;
  --text-lg: 15px;
  --text-xl: 17px;
  --text-2xl: 18px;
  --text-3xl: 20px;
  --text-hero: 28px;
    --text-display: 44px;

  /* Light/Dark — prepared for future dark theme, light() is current default */
  --color-surface: light-dark(#fff, #1a1a1a);
  --color-text: light-dark(#1c1917, #e5e5e5);
  --color-border: light-dark(#e2e8f0, #2a2a2a);
  --color-bg: light-dark(#f8fafc, #0f0f0f);
}

*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter','PingFang SC','Noto Sans SC','Helvetica Neue',sans-serif;background:var(--p-bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}

/* ── Buttons ── */
.btn{display:inline-flex;align-items:center;gap:6px;padding:var(--space-4) var(--space-5);border-radius:var(--r);font-size:14px;font-weight:600;border:none;cursor:pointer;text-decoration:none;font-family:inherit;position:relative}
.btn-primary{background:var(--p);color:#fff}
.btn-primary:hover{background:var(--p-dark);box-shadow:var(--shadow-md)}
.btn-outline{background:var(--surface);color:var(--ink);border:1px solid var(--border)}
.btn-outline:hover{background:var(--surface-hover);border-color:var(--ink-3)}
.btn-ghost{background:transparent;color:var(--ink-2);border:none}
.btn-ghost:hover{background:var(--surface-hover);color:var(--ink)}
.btn-danger{background:#dc2626;color:#fff}
.btn-danger:hover{background:#b91c1c}
.btn-sm{padding:var(--space-2) var(--space-3);font-size:var(--text-sm)}
.btn-block{display:flex;width:100%;justify-content:center;text-align:center}

/* ── Forms ── */
.form-group{margin-bottom:var(--space-4)}
.form-group label{display:block;font-size:var(--text-base);font-weight:600;color:var(--ink);margin-bottom:var(--space-1)}
.form-input{width:100%;padding:var(--space-3);border:1px solid var(--border);border-radius:var(--r);font-size:var(--text-md);color:var(--ink);background:var(--surface);transition:border-color var(--duration-fast);outline:none;font-family:inherit}
.form-input:focus{border-color:var(--p);box-shadow:0 0 0 3px var(--p-light)}
.form-input::placeholder{color:var(--ink-3)}

/* ── Card ── */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:var(--space-5);margin-bottom:var(--space-4)}
.card:hover{box-shadow:var(--shadow-md)}
.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-3);padding-bottom:var(--space-3);border-bottom:1px solid var(--border)}
.card-header h3{font-size:var(--text-lg);font-weight:700;color:var(--ink)}

/* ── Stats ── */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-3);margin-bottom:var(--space-5)}
.stat-card{border:1px solid var(--border);border-radius:var(--r);padding:var(--space-4);background:var(--surface);transition:all var(--duration-fast) var(--ease-out)}
.stat-card:hover{box-shadow:var(--shadow-md);border-color:var(--p);cursor:pointer;transform:translateY(-2px)}
.stat-card .num{font-size:var(--text-hero);font-weight:700;color:var(--ink);font-feature-settings:"tnum"}
.stat-card .label{font-size:var(--text-sm);color:var(--ink-2);margin-top:2px}
.stat-card .trend{font-size:var(--text-xs);color:var(--p);margin-top:var(--space-1)}

/* ── Tags ── */
.tag{display:inline-block;font-size:var(--text-xs);padding:2px var(--space-2);border-radius:4px;font-weight:500}
.tag-green{background:var(--p-light);color:var(--p)}
.tag-gray{background:var(--surface-hover);color:var(--ink-2)}
.tag-red{background:#fef2f2;color:#dc2626}
.tag-amber{background:#fffbeb;color:#d97706}

/* ── Table ── */
.table-wrap{overflow-x:auto}
.table-wrap table{border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden}
table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;padding:var(--space-3) var(--space-4);font-weight:600;color:var(--ink-2);font-size:var(--text-sm);background:var(--surface-hover);border-bottom:2px solid var(--border)}
td{padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--border);color:var(--ink)}
tr:last-child td{border-bottom:none}
tr:hover td{background:var(--surface-hover)}

/* ── Toast ── */
.toast{position:fixed;top:20px;right:20px;padding:var(--space-3) var(--space-5);border-radius:var(--r);font-size:var(--text-base);z-index:999;animation:slideIn var(--duration-fast);max-width:360px}
.toast.success{background:var(--p-dark);color:#fff}
.toast.error{background:#dc2626;color:#fff}
@keyframes slideIn{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}

/* ── Loading ── */
.loading{text-align:center;padding:var(--space-7);color:var(--ink-2);font-size:var(--text-base)}
.loading .spinner{display:inline-block;width:16px;height:16px;border:2px solid var(--border);border-top-color:var(--p);border-radius:50%;animation:spin .6s linear infinite;margin-right:6px;vertical-align:middle}
@keyframes spin{to{transform:rotate(360deg)}}

/* ── Modal ── */
.modal{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:100;align-items:center;justify-content:center;animation:modalFade .2s var(--ease-out)}
.modal.show{display:flex}
@keyframes modalFade{from{opacity:0}to{opacity:1}}
.modal-card{background:var(--surface);border-radius:var(--r-xl);width:700px;max-height:80vh;overflow-y:auto;margin:20px;box-shadow:var(--shadow-xl);animation:modalSlide .25s var(--ease-out)}
@keyframes modalSlide{from{opacity:0;transform:translateY(20px) scale(0.97)}to{opacity:1;transform:translateY(0) scale(1)}}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-4) var(--space-5);border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--surface);border-radius:var(--r-xl) var(--r-xl) 0 0}
.modal-header h3{font-size:var(--text-lg);font-weight:700}
.modal-close{background:none;border:none;cursor:pointer;color:var(--ink-3);padding:var(--space-1);border-radius:4px;transition:all var(--duration-fast) var(--ease-out)}
.modal-close:hover{background:var(--surface-hover);color:var(--ink);transform:scale(1.1)}
.modal-close svg{width:18px;height:18px}
.modal-body{padding:var(--space-5);font-size:var(--text-base);line-height:1.7;white-space:pre-wrap;color:var(--ink-2)}

/* ── Upload Zone ── */
.upload-zone{border:2px dashed var(--border);border-radius:var(--r-lg);padding:var(--space-7);text-align:center;cursor:pointer;transition:all var(--duration-fast) var(--ease-out);margin-bottom:var(--space-4)}
.upload-zone:hover{border-color:var(--p);background:var(--p-light);transform:translateY(-2px)}
.upload-zone:active{transform:scale(0.98)}
.upload-zone svg{width:32px;height:32px;color:var(--ink-3);margin-bottom:6px;transition:color .2s}
.upload-zone:hover svg{color:var(--p)}
.upload-zone p{font-size:13px;color:var(--ink-2)}
.upload-zone .hint{font-size:11px;color:var(--ink-3);margin-top:2px}

/* ── Search Bar ── */
.search-bar{display:flex;gap:var(--space-2);margin-bottom:var(--space-4)}
.search-bar input{flex:1;padding:var(--space-3);border:1px solid var(--border);border-radius:var(--r);font-size:var(--text-base);outline:none;font-family:inherit}
.search-bar input:focus{border-color:var(--p);box-shadow:0 0 0 3px var(--p-light)}

/* ── Empty State ── */
.empty-state{text-align:center;padding:40px var(--space-5);color:var(--ink-2)}
.empty-state svg{width:40px;height:40px;color:var(--ink-3);margin-bottom:8px}
.empty-state p{font-size:var(--text-base);margin-bottom:var(--space-3)}

/* ── Pagination ── */
.pagination{display:flex;gap:4px;margin-top:var(--space-4);justify-content:center}
.page-btn{padding:6px var(--space-3);border:1px solid var(--border);border-radius:6px;font-size:var(--text-sm);cursor:pointer;background:var(--surface);color:var(--ink-2);transition:all var(--duration-fast) var(--ease-out)}
.page-btn.active{background:var(--p);color:#fff;border-color:var(--p)}
.page-btn:hover:not(.active){background:var(--surface-hover);transform:translateY(-1px)}
.page-btn:active{transform:scale(0.95)}

/* ── Section Title ── */
.section-label{font-size:var(--text-xs);font-weight:700;color:var(--p);letter-spacing:2px;text-transform:uppercase;margin-bottom:var(--space-1);text-align:center}
.section-title{font-size:var(--text-hero);font-weight:700;color:var(--ink);margin-bottom:6px;text-align:center}
.section-sub{font-size:var(--text-lg);color:var(--ink-2);margin-bottom:var(--space-7);max-width:600px;margin-left:auto;margin-right:auto;text-align:center}

/* ── Page Header ── */
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-5)}
.page-header h2{font-size:var(--text-2xl);font-weight:700}
.section-title-sm{font-size:var(--text-xl);font-weight:700;color:var(--ink);margin-bottom:var(--space-4)}

/* ── Login Page ── */
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--p-bg)}
.login-card{width:380px;background:var(--surface);border-radius:var(--r-lg);padding:40px;box-shadow:var(--shadow-md)}
.login-logo{text-align:center;margin-bottom:28px}
.login-logo img{height:32px;width:auto;margin-bottom:8px}
.login-logo h1{font-size:20px;font-weight:700;color:var(--ink)}
.login-logo p{font-size:13px;color:var(--ink-2);margin-top:4px}

/* ── Landing Page ── */
/* Nav */
.lp-nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border);height:56px}
.lp-nav-inner{max-width:1100px;margin:0 auto;padding:0 24px;display:flex;align-items:center;height:100%;justify-content:space-between}
.lp-nav-logo{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:var(--ink)}
.lp-nav-logo img{height:28px;width:auto}
.lp-nav-links{display:flex;gap:24px;align-items:center}
.lp-nav-links a{font-size:13px;color:var(--ink-2);text-decoration:none;transition:color .15s}
.lp-nav-links a:hover{color:var(--ink)}
.lp-nav-links .btn-primary,.lp-nav-links .btn-primary:hover{color:#fff!important}

/* Hero */
.lp-hero{padding:120px 24px 64px;max-width:900px;margin:0 auto;text-align:center}
.lp-hero h1{font-size:44px;font-weight:800;color:var(--ink);line-height:1.15;letter-spacing:-1px}
.lp-hero .hl{background:linear-gradient(135deg,var(--p),var(--p-dark));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.lp-hero .sub{font-size:17px;color:var(--ink-2);margin-top:16px;max-width:640px;margin-left:auto;margin-right:auto;line-height:1.7}
.lp-btns{margin-top:32px;display:flex;gap:12px;justify-content:center}
.lp-trust{display:flex;justify-content:center;gap:28px;margin-top:36px;flex-wrap:wrap}
.lp-trust span{font-size:12px;color:var(--ink-3);display:flex;align-items:center;gap:5px}
.lp-trust .dot{width:5px;height:5px;border-radius:50%;background:var(--p);display:inline-block}

/* Sections */
.lp-section{padding:var(--space-8) var(--space-5)}
.lp-section-inner{max-width:1000px;margin:0 auto}
.lp-mono-bg{background:#f1f5f9}
.lp-surface-bg{background:var(--surface)}

/* Universal Card Micro-Interactions */
.lp-feature-card,.lp-scene-card,.lp-pricing-card,.lp-pick-card,.lp-step,.lp-q-item{transition:all .25s var(--ease-out)}
.lp-feature-card:hover,.lp-scene-card:hover,.lp-q-item:hover{box-shadow:var(--shadow-lg);border-color:transparent;transform:translateY(-3px)}
.lp-pricing-card:hover{box-shadow:var(--shadow-xl);transform:translateY(-4px)}
.lp-step:hover{box-shadow:var(--shadow-md);border-color:var(--p)}

/* Scroll-reveal stagger */
.lp-features,.lp-scenes,.lp-scene-alt,.lp-build-grid,.lp-quality-flow{opacity:0;animation:sectionReveal .6s .1s var(--ease-out) forwards}
@keyframes sectionReveal{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}

/* Feature Grid */
.lp-features{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.lp-feature-card{border:1px solid var(--border);border-radius:var(--r-lg);padding:28px 24px;background:var(--surface);position:relative;overflow:hidden}
.lp-feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--p),var(--p-dark));opacity:0;transition:opacity .25s var(--ease-out)}
.lp-feature-card:hover::before{opacity:1}
.lp-feature-card:active{transform:translateY(-1px)}
.lp-feature-card svg{width:28px;height:28px;color:var(--p);margin-bottom:10px}
.lp-feature-card h3{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:4px}
.lp-feature-card p{font-size:13px;color:var(--ink-2);line-height:1.6}

/* Scene Grid */
.lp-scenes{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;animation-delay:.15s}
.lp-scene-card{border:1px solid var(--border);border-radius:var(--r-lg);padding:20px 18px;background:var(--surface);cursor:default;position:relative}
.lp-scene-card .sc-icon{transition:transform .25s var(--ease-spring)}
.lp-scene-card:hover .sc-icon{transform:scale(1.1)}
.lp-scene-card svg{width:24px;height:24px;color:var(--p);margin-bottom:8px}
.lp-scene-card h4{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:2px}
.lp-scene-card p{font-size:12px;color:var(--ink-2);line-height:1.5}

/* Monitor */
.lp-monitor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:24px}
.lp-monitor-card{padding:14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);transition:all .15s}
.lp-monitor-card:hover{box-shadow:var(--shadow)}
.lp-monitor-card .ml{font-size:10px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.5px;margin-bottom:2px}
.lp-monitor-card .mv{font-size:24px;font-weight:700;color:var(--ink);font-feature-settings:"tnum"}
.lp-monitor-card .mc{font-size:11px;margin-top:1px}
.lp-monitor-card .mc.up{color:#059669}
.lp-monitor-card .mc.down{color:#dc2626}
.lp-monitor-card .ms{font-size:9px;color:var(--ink-3);margin-top:4px}
.lp-tab-row{display:flex;gap:6px;margin-bottom:16px;justify-content:center}
.lp-tab-btn{padding:6px 18px;font-size:13px;border:1px solid var(--border);border-radius:20px;cursor:pointer;background:var(--surface);color:var(--ink-2);transition:all .15s;font-family:inherit}
.lp-tab-btn.active{background:var(--p);color:#fff;border-color:var(--p)}

/* Pricing */
.lp-pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.lp-pricing-card{padding:32px 28px;border:1px solid var(--border);border-radius:var(--r-lg);background:var(--surface);position:relative;transition:all .25s var(--ease-out)}
.lp-pricing-card:hover{box-shadow:var(--shadow-xl);transform:translateY(-4px)}
.lp-pricing-card.featured{border-color:var(--p);box-shadow:0 0 0 1px var(--p),var(--shadow-md);background:linear-gradient(180deg,#fff,var(--p-light) 400%)}
.lp-pricing-card.featured:hover{box-shadow:0 0 0 1px var(--p),var(--shadow-xl);transform:translateY(-4px)}
.lp-pricing-card .badge{position:absolute;top:-10px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--p),var(--p-dark));color:#fff;font-size:10px;padding:3px 14px;border-radius:20px;font-weight:700;letter-spacing:.5px;box-shadow:0 2px 6px rgba(5,150,101,0.25)}
.lp-pricing-card h3{font-size:15px;font-weight:700;color:var(--ink)}
.lp-pricing-card .price{font-size:36px;font-weight:800;color:var(--ink);margin:8px 0 2px;letter-spacing:-1px}
.lp-pricing-card .price span{font-size:14px;font-weight:400;color:var(--ink-2)}
.lp-pricing-card .per{font-size:12px;color:var(--ink-3);margin-bottom:16px}
.lp-pricing-card ul{list-style:none;padding:0;margin:0 0 20px}
.lp-pricing-card li{font-size:13px;color:var(--ink-2);padding:5px 0;display:flex;align-items:center;gap:8px}
.lp-pricing-card li svg{width:14px;height:14px;color:var(--p);flex-shrink:0}
.lp-pricing-card .btn-block{display:flex;width:100%;justify-content:center;text-align:center}

/* ── Pricing v3 — 连续认知流：价值锚点 → 过渡 → 套餐决策 ── */

/* 价值锚点区 */
.lp-value-zone{border:2px solid var(--border);border-radius:var(--r-lg);padding:28px;background:var(--surface);margin-bottom:0}

.lp-zone-label{font-size:11px;font-weight:700;color:var(--p);letter-spacing:2px;text-transform:uppercase;margin-bottom:2px;text-align:center;margin-top:24px}
.lp-zone-label:first-child{margin-top:0}
.lp-zone-title{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:20px;text-align:center}

/* Pick cards grid */
.lp-build-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:0}
.lp-build-heading{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:12px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.lp-build-heading span{font-size:12px;font-weight:400;color:var(--ink-3)}

/* Pick card */
.lp-pick-card{display:flex;gap:8px;padding:14px;border:2px solid var(--border);border-radius:var(--r-lg);cursor:pointer;background:var(--surface);user-select:none}
.lp-pick-card:hover{border-color:var(--ink-3);box-shadow:var(--shadow-md)}
.lp-pick-card.selected{border-color:var(--p);background:var(--p-light);box-shadow:0 0 0 2px var(--p-light),0 3px 10px rgba(5,150,101,0.12);transform:translateY(-1px)}

.pick-check{width:22px;height:22px;border-radius:50%;border:2px solid var(--border);flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:11px;color:transparent;transition:all .25s var(--ease-spring);margin-top:2px}
.lp-pick-card.selected .pick-check{background:var(--p);border-color:var(--p);color:#fff;transform:scale(1.15)}

.pick-body{flex:1;min-width:0}
.pick-title{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:1px}
.pick-price{font-size:15px;font-weight:800;color:var(--p);margin-bottom:4px;letter-spacing:-.5px}
.pick-price span{font-size:11px;font-weight:400;color:var(--ink-3)}
.pick-desc{font-size:11px;color:var(--ink-2);line-height:1.5;margin-bottom:6px}
.pick-tags{display:flex;gap:4px;flex-wrap:wrap}
.pick-tags span{font-size:9px;padding:1px 6px;border-radius:3px;background:var(--surface-hover);color:var(--ink-3);font-weight:500}

/* Summary bar */
.lp-build-total{margin-top:20px;padding:20px 24px;border:2px solid var(--border);border-radius:var(--r-lg);background:var(--surface);text-align:center}
.lp-build-total .build-total-row{display:flex;justify-content:space-between;align-items:baseline;font-size:14px;color:var(--ink)}
.build-total-price{font-size:28px;font-weight:800;color:var(--p);letter-spacing:-1px}
.build-total-unit{font-size:14px;font-weight:400;color:var(--ink-3);letter-spacing:0}
.build-empty-hint{font-size:13px;color:var(--ink-3);padding:8px 0}
.build-custom-cta{margin-top:12px;font-size:13px;color:var(--ink-2)}
.build-custom-cta a{color:var(--p);font-weight:600;text-decoration:none;border-bottom:1px dashed var(--p)}
.build-custom-cta a:hover{color:var(--p-dark)}

/* Compare bar */
.build-compare{margin-top:16px;padding-top:16px;border-top:1px solid var(--border)}
.bc-bar{height:10px;background:var(--border);border-radius:5px;overflow:hidden;margin-bottom:6px}
.bc-bar-fill{height:100%;background:linear-gradient(90deg,var(--p),var(--p-dark));border-radius:5px;transition:width .4s ease}
.build-compare-labels{display:flex;justify-content:center;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:0;flex-wrap:wrap}
.build-compare-labels strong{color:var(--ink)}
.bc-vs{font-size:11px;color:var(--ink-3);font-style:italic}

/* 过渡区 */
.lp-pricing-bridge{text-align:center;padding:32px 20px;max-width:620px;margin:0 auto}
.lp-pricing-bridge .bridge-text{font-size:13px;color:var(--ink-2);line-height:1.7}
.lp-pricing-bridge .bridge-text strong{color:var(--p);font-weight:700}

/* Pricing rows — 2+2+1 */
.lp-pricing-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.lp-pricing-row-single{display:grid;grid-template-columns:1fr;gap:16px;margin-bottom:16px}

.lp-deploy-card{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 28px;border:1px solid var(--border);border-radius:var(--r-lg);background:linear-gradient(135deg,var(--surface),var(--p-light))}
.lp-deploy-left{flex-shrink:0}
.lp-deploy-badge{display:inline-block;font-size:10px;font-weight:700;padding:2px 10px;border-radius:4px;background:var(--p);color:#fff;letter-spacing:1px;margin-bottom:6px}
.lp-deploy-title{display:inline-block;font-size:16px;font-weight:700;color:var(--ink);margin-left:10px;vertical-align:middle}
.lp-deploy-price{font-size:28px;font-weight:800;color:var(--ink);margin:6px 0 2px;letter-spacing:-1px}
.lp-deploy-price span{font-size:14px;font-weight:400;color:var(--ink-3);letter-spacing:0}
.lp-deploy-per{font-size:12px;color:var(--ink-3)}
.lp-deploy-right{flex:1;max-width:440px;text-align:right}
.lp-deploy-right p{font-size:13px;color:var(--ink-2);line-height:1.6;margin:0 0 10px;text-align:left}
.lp-deploy-detail{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:10px;justify-content:flex-end}
.lp-deploy-detail span{font-size:10px;padding:3px 10px;border-radius:4px;background:var(--p-light);color:var(--p);font-weight:600}

@media(max-width:768px){
  .lp-pricing-row{grid-template-columns:1fr}
  .lp-build-grid{grid-template-columns:1fr}
  .lp-value-zone{padding:16px}
  .lp-pricing-bridge{flex-direction:column;gap:8px}
  .lp-deploy-card{flex-direction:column;align-items:flex-start;padding:20px}
  .lp-deploy-right{max-width:100%;text-align:left}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;transform:none!important}
}

/* Data Base */
.lp-data-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.lp-data-card{border:1px solid var(--border);border-radius:var(--r-lg);padding:20px;background:var(--surface)}
.lp-data-card h4{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:2px}
.lp-data-card .size{font-size:11px;color:var(--ink-3);margin-bottom:6px}
.lp-data-card p{font-size:12px;color:var(--ink-2);line-height:1.5}
.lp-data-card svg{width:24px;height:24px;color:var(--p);margin-bottom:8px}

/* Exchange Cards */
.lp-exchange-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.lp-exchange-card{border:1px solid var(--border);border-radius:var(--r-lg);padding:24px;background:var(--surface);transition:all .2s}
.lp-exchange-card:hover{box-shadow:var(--shadow-md);border-color:var(--p)}
.lp-exchange-card .ex-icon{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}
.lp-exchange-card .ex-name{font-weight:700;font-size:14px;color:var(--ink)}
.lp-exchange-card .ex-source{font-size:10px;color:var(--ink-3)}
.lp-exchange-card p{font-size:12px;color:var(--ink-2);line-height:1.5}
.lp-exchange-card .ex-tag{font-size:10px;padding:2px 6px;border-radius:4px;font-weight:600}

/* CTA */
.lp-cta{background:linear-gradient(135deg,var(--p-dark),var(--p));text-align:center;padding:64px 24px;color:#fff}
.lp-cta h2{font-size:28px;font-weight:700;margin-bottom:6px}
.lp-cta p{font-size:15px;opacity:.85;margin-bottom:24px;max-width:480px;margin-left:auto;margin-right:auto}
.lp-cta .btn{background:#fff;color:var(--p-dark);padding:12px 32px;font-size:15px;font-weight:700;border-radius:var(--r)}
.lp-cta .btn:hover{background:#f0fdf4}

/* Footer */
.lp-footer{padding:28px 24px;text-align:center;font-size:12px;color:var(--ink-3);border-top:1px solid var(--border)}
.lp-footer a{color:var(--ink-3);text-decoration:none}
.lp-footer a:hover{color:var(--ink)}

/* ── Internal Layout ── */
.app-container{min-height:100vh;display:flex;flex-direction:column}
.app-main{flex:1;display:flex}

/* Sidebar (Drawer式) */
.sidebar{width:220px;background:var(--surface);border-right:1px solid var(--border);padding:0;display:flex;flex-direction:column;flex-shrink:0;transition:width .2s var(--ease-out);overflow:hidden}
.sidebar.collapsed{width:52px}
.sidebar-logo{height:56px;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--border);flex-shrink:0;color:var(--p);transition:background .2s}
.sidebar-logo:hover{background:var(--surface-hover)}
.sidebar-logo svg{width:20px;height:20px;transition:transform .2s var(--ease-spring)}
.sidebar-logo:hover svg{transform:rotate(-15deg)}
/* 导航区 */
.sidebar-nav{flex:1;display:flex;flex-direction:column;gap:2px;padding:10px 6px}
.sidebar .nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;color:var(--ink-2);text-decoration:none;font-size:13px;transition:all .15s var(--ease-out);white-space:nowrap;border:none;background:none;cursor:pointer;font-family:inherit;border-radius:var(--r)}
.sidebar .nav-item:hover{background:var(--surface-hover);color:var(--ink);transform:translateX(2px)}
.sidebar .nav-item.active{background:var(--p-light);color:var(--p);font-weight:600}
.sidebar .nav-item:active{transform:scale(0.97)}
.sidebar .nav-item svg{width:18px;height:18px;flex-shrink:0;transition:transform .15s}
.sidebar .nav-item:hover svg{transform:scale(1.1)}
.nav-text{overflow:hidden;opacity:1;transition:opacity .12s}
.sidebar.collapsed .nav-text{opacity:0;width:0}
.sidebar.collapsed .nav-item{justify-content:center;padding:10px 0;margin:1px 4px}
/* 底部 - 分割线+用户（已弃用，入口在右上角）
.sidebar-footer,.sidebar-divider,.sidebar-user{display:none} */

/* App Content */
.app-content{flex:1;padding:var(--space-5) var(--space-6);max-width:960px}
.app-header{background:var(--surface);border-bottom:1px solid var(--border);padding:0 var(--space-5);height:48px;display:flex;align-items:center;justify-content:space-between;flex-shrink:0}
.app-breadcrumb{font-size:13px;color:var(--ink-2);font-weight:500}
.app-header-right{display:flex;align-items:center;gap:var(--space-3)}
.header-user{font-size:12px;color:var(--ink);font-weight:600}
.header-logout{font-size:12px;color:var(--ink-3);text-decoration:none}
.header-logout:hover{color:var(--ink)}

/* User */
.user-info{display:flex;align-items:center;gap:var(--space-2);margin-top:auto;padding:var(--space-3) 0}
.user-avatar{width:28px;height:28px;border-radius:50%;background:var(--p);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12px}
.user-name{font-size:12px;color:var(--ink-2)}
.plan-badge{display:inline-block;font-size:10px;padding:2px var(--space-2);border-radius:4px;background:var(--p-light);color:var(--p);font-weight:600;margin-top:2px}

/* ── Industry Table ── */
.industry-table{width:100%;border-collapse:collapse;font-size:13px;background:var(--surface);border-radius:var(--r);overflow:hidden;border:1px solid var(--border)}
.industry-table th{text-align:left;padding:var(--space-3) var(--space-4);font-size:var(--text-xs);color:var(--ink-2);font-weight:600;border-bottom:1px solid var(--border);background:var(--surface-hover)}
.industry-table td{padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--border);color:var(--ink)}
.industry-table tr:last-child td{border-bottom:none}
.industry-table .sector{font-weight:600;color:var(--ink)}
.industry-table .status{display:inline-flex;align-items:center;gap:4px;font-size:11px}

/* ── Research Config Panel ── */
.config-panel{padding:var(--space-5);background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:24px;margin-bottom:20px}
.config-panel h3{font-size:var(--text-lg);font-weight:700;margin-bottom:var(--space-4)}
.config-row{display:flex;gap:var(--space-3);margin-bottom:var(--space-3);align-items:flex-start}
.config-row label{font-size:var(--text-base);font-weight:600;color:var(--ink);min-width:100px;padding-top:var(--space-2)}
.config-row select,.config-row input[type="text"]{flex:1;padding:var(--space-2) var(--space-3);border:1px solid var(--border);border-radius:var(--r);font-size:var(--text-base);outline:none;font-family:inherit;background:var(--surface);color:var(--ink)}
.config-row select:focus,.config-row input[type="text"]:focus{border-color:var(--p);box-shadow:0 0 0 3px var(--p-light)}
.config-row textarea{flex:1;padding:var(--space-2) var(--space-3);border:1px solid var(--border);border-radius:var(--r);font-size:var(--text-base);outline:none;font-family:inherit;resize:vertical;min-height:60px}
.config-row textarea:focus{border-color:var(--p);box-shadow:0 0 0 3px var(--p-light)}
.toggle-wrap{display:flex;align-items:center;gap:var(--space-2);margin-bottom:var(--space-3)}
.toggle-wrap input[type="checkbox"]{width:16px;height:16px;accent-color:var(--p)}
.toggle-wrap label{font-size:13px;color:var(--ink-2)}

/* ── Progress ── */
.progress-bar{height:6px;background:var(--border);border-radius:3px;overflow:hidden;margin-bottom:var(--space-3);position:relative}
.progress-bar .fill{height:100%;background:linear-gradient(90deg,var(--p),var(--p-dark));border-radius:3px;transition:width .6s cubic-bezier(0.34,1.56,0.64,1);position:relative;overflow:hidden}
.progress-bar .fill::after{content:"";position:absolute;top:0;left:-100%;width:200%;height:100%;background:linear-gradient(90deg,transparent 30%,rgba(255,255,255,0.35) 50%,transparent 70%);animation:progGlide 1.8s ease-in-out infinite;pointer-events:none}
@keyframes progGlide{0%{transform:translateX(-50%)}100%{transform:translateX(50%)}}
.stage-list{list-style:none;padding:0}
.stage-item{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) 0;font-size:var(--text-base);color:var(--ink-2);border-bottom:1px solid var(--border);transition:all .35s cubic-bezier(0.34,1.56,0.64,1);position:relative;overflow:hidden}
.stage-item:last-child{border-bottom:none}
.stage-item.active{color:var(--p);font-weight:600;padding-left:8px}
.stage-item.active .s-dot{animation:pulseDot 1.2s ease-in-out infinite}
@keyframes pulseDot{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.6);opacity:0.5}}
.stage-item.done{color:var(--ink);transform:translateX(0);opacity:0.85}
.stage-item.done svg{animation:popCheck .35s cubic-bezier(0.34,1.56,0.64,1)}
@keyframes popCheck{0%{transform:scale(0);opacity:0}60%{transform:scale(1.3)}100%{transform:scale(1);opacity:1}}
.stage-item svg{width:16px;height:16px;flex-shrink:0;transition:transform .3s ease}
.stage-item .s-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}

/* 进度详情逐字浮现 */
#progressDetail{overflow:hidden;animation:fadeSlideIn .4s ease-out}
@keyframes fadeSlideIn{0%{opacity:0;transform:translateY(-4px)}100%{opacity:1;transform:translateY(0)}}

/* 进度卡入场 */
#progressCard{animation:cardSlideIn .4s ease-out}
@keyframes cardSlideIn{0%{opacity:0;transform:translateY(-8px)}100%{opacity:1;transform:translateY(0)}}

/* ── Steps ── */
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-5)}
.step-card{text-align:center;padding:20px}
.step-num{width:40px;height:40px;border-radius:50%;background:var(--p-light);color:var(--p);font-weight:700;font-size:16px;display:flex;align-items:center;justify-content:center;margin:0 auto 12px}
.step-card h3{font-size:var(--text-lg);font-weight:700;margin-bottom:var(--space-1)}
.step-card p{font-size:var(--text-base);color:var(--ink-2);line-height:1.6}

/* ── Knowledge Doc List ── */
.doc-item{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) 0;border-bottom:1px solid var(--border)}
.doc-item:last-child{border-bottom:none}
.doc-item svg{width:18px;height:18px;color:var(--p);flex-shrink:0}
.doc-item .doc-title{flex:1;font-size:13px;font-weight:600;color:var(--ink)}
.doc-item .doc-meta{font-size:11px;color:var(--ink-3)}

/* ── Responsive ── */
@media(max-width:768px){
  .lp-features,.lp-scenes,.lp-pricing,.lp-data-grid,.lp-exchange-grid{grid-template-columns:1fr}
  .lp-monitor-grid{grid-template-columns:repeat(2,1fr)}
  .lp-hero h1{font-size:30px}
  .lp-section{padding:40px 16px}
  .lp-hero{padding:100px 16px 40px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .sidebar{display:none}
  .app-content{padding:16px}
  .login-card{width:auto;margin:0 16px}
  .modal-card{width:auto;margin:10px}
  .config-row{flex-direction:column}
  .config-row label{min-width:auto}
}

/* ── Scrollbar ── */
::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}

/* ── 独立/串链模式切换 ── */
.mode-toggle-bar{display:flex;align-items:center;gap:10px;margin-bottom:16px;padding:10px 14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);font-size:13px}
.mode-toggle-label{font-weight:600;color:var(--ink);font-size:12px;min-width:60px}
.mode-radio{display:inline-flex;align-items:center;gap:4px;cursor:pointer;font-size:12px;color:var(--ink-2);padding:3px 10px;border-radius:6px;transition:all .15s}
.mode-radio input[type="radio"]{accent-color:var(--p);margin:0}
.mode-radio:has(input:checked){background:var(--p-light);color:var(--p);font-weight:600}
.mode-help{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;border:1px solid var(--border);color:var(--ink-3);font-size:11px;font-weight:700;cursor:pointer;transition:all .15s;margin-left:auto;user-select:none}
.mode-help:hover{background:var(--surface-hover);color:var(--p);border-color:var(--p)}

/* 深度卡片容器 */
#depthOptionsPanel{padding:0;border:none}
.mode-cards{display:flex;gap:0}
/* 串链模式 */
.mode-chain .mode-option{position:relative;flex:1;margin-bottom:0;background:var(--surface);transition:all .2s;min-height:100px}
.mode-chain .mode-option:not(:last-child)::after{content:'→';position:absolute;right:-10px;top:50%;transform:translateY(-50%);font-size:20px;color:var(--ink-3);z-index:5;font-weight:300}
.mode-chain .mode-option .step-number{display:block;font-size:11px;font-weight:400;color:var(--ink-3);margin-bottom:2px;letter-spacing:0}
.mode-chain .mode-option.active{background:var(--p-light);border-color:var(--p);z-index:2}
.mode-chain .mode-option.active .step-number{color:var(--p);font-weight:600}
.mode-chain .mode-option .mo-name{font-size:13px}.mode-chain .mode-option .mo-desc{font-size:11px}
.mode-chain .mode-option .mo-tag,.mode-chain .mode-option .mo-meta{font-size:12px}
.mode-chain .mode-option .mo-check{width:18px;height:18px;font-size:10px}
.mode-chain .mode-option:not(.active){opacity:.7}
/* 独立模式（默认） */
.mode-independent .mode-option .step-number{display:none}
.mode-independent .mode-option:not(:last-child)::after{display:none}
.mode-independent .mode-option{background:var(--surface);transition:all .15s}
.mode-independent .mode-option:not(.active){opacity:1}
/* 深化按钮 */
.deepen-btn{display:inline-flex;align-items:center;gap:4px;padding:4px 12px;border:1px solid var(--p);border-radius:6px;background:var(--p-light);color:var(--p);font-size:11px;font-weight:600;cursor:pointer;transition:all .15s;font-family:inherit;margin-left:8px}
.deepen-btn:hover{background:var(--p);color:#fff}
.deepen-btn:active{transform:scale(.97)}