:root{--navy:#102d3d;--teal:#16a39a;--mint:#eaf8f5;--coral:#e98670;--ink:#1c2b33;--muted:#6c7b83;--line:#dbe5e8;--bg:#f5f8f8;--white:#fff;--danger:#c53c3c;--shadow:0 12px 36px rgba(16,45,61,.09)}
*{box-sizing:border-box}body{margin:0;font-family:Inter,"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.55}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}img{max-width:100%}.container{width:min(1160px,calc(100% - 32px));margin:auto}.public-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--navy)}.brand-mark{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,var(--navy),var(--teal));color:white;font-size:15px;letter-spacing:-1px;box-shadow:0 8px 18px rgba(22,163,154,.24)}.brand small{display:block;color:var(--muted);font-weight:500;font-size:11px}.nav{display:flex;align-items:center;gap:24px;font-size:14px;font-weight:650}.nav a:hover{color:var(--teal)}.nav-toggle{display:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:10px;padding:10px 17px;font-weight:700;cursor:pointer;background:white;color:var(--navy)}.btn.primary{background:var(--teal);color:white}.btn.primary:hover{background:#108b83}.btn.dark{background:var(--navy);color:white}.btn.outline{border-color:var(--line)}.btn.danger{background:#fff0f0;color:var(--danger);border-color:#f3caca}.btn.small{padding:7px 11px;font-size:13px}.hero{background:radial-gradient(circle at 80% 20%,rgba(22,163,154,.2),transparent 32%),linear-gradient(130deg,#0d2b3a,#164c55);color:white;padding:82px 0}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}.eyebrow{display:inline-flex;padding:6px 11px;border-radius:99px;background:rgba(255,255,255,.12);font-size:13px;font-weight:700;letter-spacing:.04em}.hero h1{font-size:clamp(38px,5.5vw,70px);line-height:1.05;margin:20px 0;letter-spacing:-.04em}.hero p{font-size:19px;color:#dcebee;max-width:620px}.hero-actions{display:flex;gap:12px;margin-top:30px}.hero-card{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);padding:28px;border-radius:24px;backdrop-filter:blur(8px)}.hero-card h3{margin-top:0}.quick-stat{display:grid;grid-template-columns:1fr 1fr;gap:12px}.quick-stat div{background:rgba(255,255,255,.09);padding:16px;border-radius:14px}.quick-stat strong{display:block;font-size:22px}.section{padding:72px 0}.section-title{max-width:690px;margin-bottom:32px}.section-title h2{font-size:36px;line-height:1.15;margin:0 0 12px;color:var(--navy)}.section-title p{color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{background:white;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 6px 20px rgba(16,45,61,.04)}.card h3{margin:10px 0;color:var(--navy)}.service-meta{display:flex;justify-content:space-between;align-items:center;margin-top:22px;padding-top:16px;border-top:1px solid var(--line)}.service-icon{width:48px;height:48px;border-radius:14px;background:var(--mint);color:var(--teal);display:grid;place-items:center;font-size:22px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.step{display:flex;gap:16px}.step span{width:38px;height:38px;flex:0 0 38px;border-radius:99px;background:var(--teal);color:white;display:grid;place-items:center;font-weight:800}.cta{background:var(--navy);color:white;border-radius:24px;padding:42px;display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{margin:0}.public-footer{padding:44px 0;background:#0b202b;color:#c8d8dc}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}.footer-grid h4{color:white}.copyright{border-top:1px solid #29404a;margin-top:30px;padding-top:20px;font-size:13px}.auth-shell{min-height:calc(100vh - 76px);display:grid;place-items:center;padding:48px 16px;background:linear-gradient(145deg,#edf9f6,#f8faf9)}.auth-card{width:min(480px,100%);background:white;border-radius:22px;padding:34px;box-shadow:var(--shadow);border:1px solid var(--line)}.auth-card h1{margin:14px 0 4px;color:var(--navy)}.muted{color:var(--muted)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{margin-bottom:16px}.field.full{grid-column:1/-1}.field label{display:block;font-size:13px;font-weight:750;margin-bottom:6px}.field input,.field select,.field textarea{width:100%;border:1px solid #cfdadd;border-radius:9px;padding:10px 12px;background:white}.field input:focus,.field select:focus,.field textarea:focus{outline:3px solid rgba(22,163,154,.12);border-color:var(--teal)}.alert{padding:12px 15px;border-radius:10px;margin:13px 0}.alert.success{background:#e6f7ef;color:#176544}.alert.danger{background:#fff0f0;color:#a62e2e}.alert.info{background:#eaf3ff;color:#2c5e90}.dashboard-shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh}.sidebar{background:var(--navy);color:#d5e2e6;padding:22px 16px;position:sticky;top:0;height:100vh;overflow:auto}.sidebar .brand{color:white;padding:0 8px 18px}.sidebar-nav{display:grid;gap:4px}.sidebar-nav a{padding:10px 12px;border-radius:9px;font-size:14px}.sidebar-nav a:hover,.sidebar-nav a.active{background:rgba(255,255,255,.1);color:white}.nav-label{text-transform:uppercase;font-size:10px;color:#78929e;letter-spacing:.11em;padding:18px 12px 5px}.admin-main{min-width:0}.topbar{height:72px;background:white;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:0 28px;position:sticky;top:0;z-index:20}.admin-content{padding:28px}.page-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:24px}.page-heading h1{margin:0;color:var(--navy);font-size:28px}.page-heading p{margin:5px 0;color:var(--muted)}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}.stat{background:white;border:1px solid var(--line);padding:20px;border-radius:15px}.stat .value{font-size:30px;font-weight:850;color:var(--navy)}.stat .label{font-size:13px;color:var(--muted)}.panel{background:white;border:1px solid var(--line);border-radius:16px;margin-bottom:22px;overflow:hidden}.panel-head{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;border-bottom:1px solid var(--line)}.panel-head h2,.panel-head h3{margin:0;font-size:18px;color:var(--navy)}.panel-body{padding:20px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:14px}th{text-align:left;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em;background:#f8fafb}th,td{padding:12px 14px;border-bottom:1px solid var(--line);white-space:nowrap}td.wrap{white-space:normal}.badge{display:inline-flex;padding:4px 8px;border-radius:99px;background:#edf1f2;font-size:12px;font-weight:700}.badge.confirmed,.badge.paid,.badge.completed,.badge.active{background:#e4f7ee;color:#15734a}.badge.pending,.badge.sent,.badge.in_progress{background:#fff4d6;color:#91640b}.badge.cancelled,.badge.rejected,.badge.overdue{background:#ffe8e8;color:#9a3030}.split{display:grid;grid-template-columns:1fr 1fr;gap:22px}.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.toolbar input,.toolbar select{padding:9px 11px;border:1px solid var(--line);border-radius:9px}.calendar{display:grid;grid-template-columns:repeat(7,1fr);border-left:1px solid var(--line);border-top:1px solid var(--line)}.calendar-cell{min-height:105px;padding:8px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:white}.calendar-cell .day{font-weight:800}.cal-item{font-size:11px;padding:4px 6px;background:var(--mint);color:#126b66;border-radius:5px;margin-top:4px;white-space:normal}.customer-hero{background:linear-gradient(120deg,var(--navy),#1c6164);color:white;padding:34px;border-radius:20px;margin-bottom:24px}.customer-hero h1{margin:0 0 6px}.account-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.balance-card{background:white;border:1px solid var(--line);border-radius:15px;padding:20px}.balance-card strong{font-size:27px;color:var(--teal)}.install-page{min-height:100vh;display:grid;place-items:center;background:var(--mint)}.install-card{width:min(620px,calc(100% - 32px));background:white;border-radius:22px;padding:36px;box-shadow:var(--shadow)}code{background:#eef2f3;padding:2px 5px;border-radius:5px}.empty{padding:38px;text-align:center;color:var(--muted)}.kpi-positive{color:#168a62}.signature-box{border:1px dashed #9db1b8;background:#fafcfc;border-radius:10px;padding:18px}.hide{display:none}
@media(max-width:980px){.hero-grid,.footer-grid,.split{grid-template-columns:1fr}.cards,.steps{grid-template-columns:1fr 1fr}.stats{grid-template-columns:1fr 1fr}.dashboard-shell{grid-template-columns:80px 1fr}.sidebar{padding:18px 8px}.sidebar .brand span,.sidebar-nav a span,.nav-label{display:none}.sidebar-nav a{text-align:center;font-size:19px}.account-grid{grid-template-columns:1fr 1fr}}
@media(max-width:680px){.nav-toggle{display:block}.nav{display:none;position:absolute;left:0;right:0;top:76px;background:white;padding:18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.open{display:flex}.hero{padding:58px 0}.hero-grid,.cards,.steps,.form-grid,.stats,.account-grid{grid-template-columns:1fr}.hero-card{display:none}.hero-actions,.cta,.page-heading{align-items:stretch;flex-direction:column}.section{padding:50px 0}.dashboard-shell{display:block}.sidebar{display:none}.admin-content{padding:18px}.topbar{padding:0 18px}.table-wrap{margin:0 -20px}.calendar{grid-template-columns:1fr}.calendar-cell{min-height:auto}.calendar-cell:empty{display:none}}
.signature-canvas{display:block;width:100%;max-width:520px;height:190px;border:2px dashed #9db1b8;border-radius:10px;background:#fff;touch-action:none;margin-bottom:14px}.checkbox-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;font-size:13px}.calendar.one-day{grid-template-columns:1fr}.status-badge{background:#eaf8f5;color:#126b66}.admin-nav-toggle{display:none}@media(max-width:680px){.admin-nav-toggle{display:inline-flex}.sidebar.open{display:block;position:fixed;left:0;top:0;bottom:0;width:260px;height:100vh;z-index:1000}.sidebar.open .brand span,.sidebar.open .sidebar-nav a span,.sidebar.open .nav-label{display:block}.sidebar.open .sidebar-nav a{text-align:left;font-size:14px}}
.nav-toggle{display:none!important}@media(max-width:680px){.nav-toggle{display:inline-flex!important}}
.checkbox-line{display:flex!important;align-items:center;gap:8px}.checkbox-line input,.checkbox-grid input[type=checkbox]{width:auto;margin:0}