/* ============================================
   Great Health Store - Landing Page Styles
   ============================================ */

/* ===== Reset & Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Helvetica Neue',Arial,'PingFang SC','Microsoft YaHei',sans-serif;background:#f5f7fa;color:#303133;line-height:1.6;min-height:100vh}
a{text-decoration:none;color:inherit}

/* ===== Hero Section ===== */
.hero{background:linear-gradient(135deg,#0c1220 0%,#16213e 40%,#1a3a5c 70%,#0d4b6e 100%);color:#fff;position:relative;overflow:hidden;min-height:520px;display:flex;align-items:center;justify-content:center;text-align:center;padding:80px 20px 60px}
.hero::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 30% 50%,rgba(64,158,255,.12) 0%,transparent 50%),radial-gradient(circle at 75% 35%,rgba(103,194,58,.08) 0%,transparent 45%);animation:bgFloat 20s ease-in-out infinite alternate}
@keyframes bgFloat{to{transform:translate3d(-3%,2%,0) rotate(1deg)}}
.hero-content{max-width:820px;position:relative;z-index:1}
.hero-badge{display:inline-block;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(10px);color:#67c23a;font-size:12px;font-weight:600;padding:6px 20px;border-radius:20px;letter-spacing:2px;margin-bottom:24px;text-transform:uppercase}
.hero h1{font-size:46px;font-weight:800;letter-spacing:1px;margin-bottom:16px;background:linear-gradient(135deg,#fff 30%,#e0ecff 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.25}
.hero h1 span{font-size:.72em;color:#67c23a;-webkit-text-fill-color:#67c23a}
.hero .subtitle{font-size:17px;color:#b0c4de;max-width:600px;margin:0 auto 36px;line-height:1.7}
.hero-stats{display:flex;justify-content:center;gap:48px;flex-wrap:wrap}
.hero-stat{text-align:center;opacity:.92}
.hero-stat .num{font-size:32px;font-weight:800;color:#67c23a}
.hero-stat .label{font-size:12px;color:#8fa4bf;margin-top:2px;letter-spacing:1px}

/* ===== Section Common ===== */
.section{padding:70px 20px;max-width:1160px;margin:0 auto}
.section-title{text-align:center;margin-bottom:14px;font-size:28px;font-weight:700;color:#1a1a2e}
.section-desc{text-align:center;color:#909399;font-size:15px;max-width:560px;margin:0 auto 44px;line-height:1.65}

/* ===== Features ===== */
.features-section{background:#fff;border-radius:20px;box-shadow:0 4px 30px rgba(0,0,0,.06);padding:56px 40px 52px;margin:42px auto 24px;max-width:1120px}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.feature-card{padding:30px 24px;border-radius:14px;border:1px solid #ebeef5;transition:all .3s ease;cursor:default}
.feature-card:hover{transform:translateY(-6px);box-shadow:0 10px 30px rgba(0,0,0,.08);border-color:#c6e2ff}
.feature-icon{font-size:38px;margin-bottom:14px;display:block}
.feature-card h3{font-size:16px;font-weight:700;color:#303133;margin-bottom:8px}
.feature-card p{font-size:13px;color:#909399;line-height:1.65}

/* ===== Entry Cards ===== */
.entry-section{background:#fff;border-radius:20px;box-shadow:0 4px 30px rgba(0,0,0,.06);padding:52px 40px 48px;margin:0 auto;max-width:1120px}
.entry-header{text-align:center;margin-bottom:36px}
.entry-header h2{font-size:27px;font-weight:700;color:#1a1a2e;margin-bottom:10px}
.entry-header p{font-size:15px;color:#909399}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;max-width:900px;margin:0 auto}
.card{background:#fff;border-radius:16px;padding:38px 28px 30px;text-align:center;box-shadow:0 4px 24px rgba(0,0,0,.06);transition:all .35s cubic-bezier(.4,0,.2,1);cursor:pointer;position:relative;overflow:hidden;text-decoration:none;display:block;color:inherit;border:1px solid #f0f0f0}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;transition:height .3s}
.card:hover{transform:translateY(-8px);box-shadow:0 16px 48px rgba(0,0,0,.12)}
.card:hover::before{height:6px}
.card.admin::before{background:linear-gradient(90deg,#f56c6c,#e6a23c)}
.card.manager::before{background:linear-gradient(90deg,#e6a23c,#f39c12)}
.card.clerk::before{background:linear-gradient(90deg,#409eff,#67c23a)}
.card-icon{font-size:44px;margin-bottom:14px;display:block}
.card-tag{display:inline-block;font-size:11px;font-weight:600;padding:3px 12px;border-radius:10px;margin-bottom:12px;letter-spacing:1px}
.card.admin .card-tag{background:#fef0f0;color:#f56c6c}
.card.manager .card-tag{background:#fdf6ec;color:#e6a23c}
.card.clerk .card-tag{background:#ecf5ff;color:#409eff}
.card h3{font-size:20px;font-weight:700;color:#303133;margin-bottom:8px}
.card p{font-size:13px;color:#909399;line-height:1.6;margin-bottom:16px;min-height:42px}
.features{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.features span{font-size:11px;color:#606266;background:#f5f7fa;padding:3px 10px;border-radius:8px}
.arrow{font-size:13px;font-weight:600;opacity:0;transform:translateY(8px);transition:all .3s}
.card:hover .arrow{opacity:1;transform:translateY(0)}
.card.admin:hover .arrow{color:#f56c6c}
.card.manager:hover .arrow{color:#e6a23c}
.card.clerk:hover .arrow{color:#409eff}

/* ===== Architecture ===== */
.arch-section{background:linear-gradient(180deg,#f5f7fa 0%,#fff 50%);padding:64px 20px 56px}
.arch-container{max-width:980px;margin:0 auto}
.arch-diagram{display:flex;flex-direction:column;align-items:center;padding:8px 4px 4px}

/* Layer label */
.arch-layer-label{display:flex;align-items:center;justify-content:center;gap:10px;font-size:12.5px;font-weight:700;color:#606266;letter-spacing:3px;text-transform:uppercase;width:100%;padding:16px 0 12px;position:relative;margin:6px 0 10px}
.arch-layer-label::after{content:'';flex:1;height:1px;background:linear-gradient(to right,transparent,#dcdfe6,transparent);margin-left:14px;max-width:300px}
.arch-layer-label::before{content:'';flex:1;height:1px;background:linear-gradient(to left,transparent,#dcdfe6,transparent);margin-right:14px;max-width:300px}

/* Node */
.arch-node{background:#fff;border:2px solid #e4e7ed;border-radius:14px;padding:22px 18px;text-align:center;min-width:150px;box-shadow:0 2px 14px rgba(0,0,0,.05);transition:all .3s ease;position:relative;z-index:2;flex:1}
.arch-node:hover{transform:translateY(-4px);box-shadow:0 10px 30px rgba(0,0,0,.1);border-color:#409eff}
.arch-node.center{background:linear-gradient(135deg,#1a2332,#242f3e);color:#fff;border-color:#1a2332;min-width:auto;padding:24px 28px;border-radius:16px;box-shadow:0 6px 24px rgba(26,35,50,.25)}
.arch-node.center:hover{border-color:#67c23a;box-shadow:0 10px 36px rgba(103,194,58,.2)}
.arch-node .icon{font-size:30px;margin-bottom:10px;display:block}
.arch-node .name{font-size:13.5px;font-weight:700;margin-bottom:5px;line-height:1.3}
.arch-node .desc{font-size:11.5px;opacity:.65;line-height:1.55}

/* Row */
.arch-row{display:flex;align-items:stretch;justify-content:center;gap:14px;width:100%;margin:0 0 4px;flex-wrap:wrap}
.arch-row--dense{gap:10px}

/* Connector line with arrow */
.arch-line-v{display:flex;flex-direction:column;align-items:center;gap:0;margin:6px 0}
.arch-line-v::before{content:'';width:2px;height:18px;background:linear-gradient(to bottom,#dcdfe6,#c0c4cc);border-radius:1px}
.arch-line-v::after{content:'';border-left:5px solid transparent;border-right:5px solid transparent;border-top:6px solid #c0c4cc;margin-top:-1px}

/* Center wrap */
.arch-center-wrap{display:flex;flex-direction:column;align-items:center;width:100%}

/* Tags */
.arch-tags{display:flex;justify-content:center;gap:9px;flex-wrap:wrap;margin-bottom:32px}
.arch-tag{font-size:12px;color:#409eff;background:#ecf5ff;border:1px solid #b3d8ff;padding:5px 16px;border-radius:20px;font-weight:600;transition:all .2s}
.arch-tag:hover{background:#409eff;color:#fff;border-color:#409eff}

/* Tech row */
.arch-tech-row{text-align:center;margin-top:12px}
.arch-tech-row span{font-size:11.5px;color:#909399;background:linear-gradient(#f8f9fb,#f0f2f5);padding:4px 18px;border-radius:10px;display:inline-block;border:1px solid #ebeef5}

/* Middleware items */
.mid-item{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);border-radius:10px;padding:10px 14px;font-size:11.5px;text-align:center;line-height:1.55;min-width:108px;transition:all .2s}
.mid-item:hover{background:rgba(255,255,255,.2)}
.mid-item b{display:block;font-size:13px;color:#67c23a;margin-bottom:3px}

/* ===== Tech Stack ===== */
.tech-section{padding:58px 20px 66px;text-align:center}
.tech-badges{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;max-width:720px;margin:0 auto}
.tech-badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid #e4e7ed;border-radius:10px;padding:10px 20px;font-size:13px;color:#606266;font-weight:500;transition:all .25s;box-shadow:0 1px 4px rgba(0,0,0,.03)}
.tech-badge:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(0,0,0,.08);border-color:#409eff;color:#409eff}
.tech-badge .dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}

/* ===== Footer ===== */
.footer{background:#1a2332;color:#8a9bb5;text-align:center;padding:32px 20px;font-size:13px;line-height:1.8}
.footer a{color:#67c23a}
.footer .links{margin-bottom:8px}
.footer .links a{margin:0 10px;color:#a0b4cf;transition:color .2s}
.footer .links a:hover{color:#67c23a}

/* ===== Role Comparison Table ===== */
.role-compare-section{padding:64px 20px 56px;max-width:1100px;margin:0 auto}
.role-compare-wrap{overflow-x:auto;border-radius:12px;box-shadow:0 2px 16px rgba(0,0,0,.06);border:1px solid #ebeef5}
.role-compare-table{width:100%;border-collapse:collapse;font-size:13px;background:#fff;min-width:680px}
.role-compare-table th{padding:14px 16px;text-align:center;font-weight:700;color:#fff;font-size:13px;letter-spacing:.5px}
.role-compare-table .th-admin{background:linear-gradient(135deg,#f56c6c,#e87664)}
.role-compare-table .th-manager{background:linear-gradient(135deg,#e6a23c,#ebb34b)}
.role-compare-table .th-clerk{background:linear-gradient(135deg,#409eff,#66b1ff)}
.role-compare-table td{padding:11px 16px;border-bottom:1px solid #f2f3f5;color:#606266;line-height:1.5;text-align:center}
.role-compare-table td:first-child{text-align:left;font-weight:600;color:#303133;background:#fafbfc;width:150px;font-size:12.5px}
.role-compare-table tbody tr:hover{background:#f5f7fa}
.role-compare-table tbody tr:last-child td{border-bottom:none}

/* ===== Responsive ===== */
@media(max-width:900px){.cards{grid-template-columns:repeat(2,1fr);gap:18px}.feature-grid{grid-template-columns:repeat(2,1fr)}.hero h1{font-size:34px}.arch-diagram{flex-direction:column}.arch-arrow{transform:rotate(90deg)}.role-compare-wrap{margin-bottom:30px}.entry-section{padding:36px 24px 32px}.arch-container{max-width:100%}.arch-layer-label::before,.arch-layer-label::after{max-width:120px}}
@media(max-width:600px){.cards{grid-template-columns:1fr;max-width:340px}.feature-grid{grid-template-columns:1fr}.hero{min-height:420px;padding:60px 16px 40px}.hero h1{font-size:28px;letter-spacing:.5px}.hero-stats{gap:28px}.features-section{margin-top:-30px;padding:36px 20px}.section{padding:48px 16px}.entry-section{padding:28px 16px 24px;border-radius:14px}.role-compare-table{font-size:12px}.role-compare-table th,.role-compare-table td{padding:9px 10px}.arch-row{gap:10px}.arch-node{min-width:130px;padding:18px 14px}.arch-tags{gap:6px}.mid-item{min-width:90px;padding:8px 8px}}