/* ============================================================
   Keepous ERP — 主样式表
   ============================================================ */

/* ---- Variables ---- */
:root {
  --blue:        #1f6feb;
  --blue-dark:   #1659c4;
  --blue-light:  #e8f1ff;
  --orange:      #fb8212;
  --orange-end:  #ff9b3f;
  --orange-dark: #e56900;
  --text-1:      #1d2129;
  --text-2:      #4e5969;
  --text-3:      #86909c;
  --bg-1:        #ffffff;
  --bg-2:        #f7f9ff;
  --bg-3:        #eef3ff;
  --border:      #e4e8f5;
  --shadow-sm:   0 4px 16px rgba(0,51,128,.06);
  --shadow-md:   0 8px 32px rgba(0,51,128,.10);
  --shadow-lg:   0 16px 60px rgba(0,51,128,.13);
  --radius:      10px;
  --radius-lg:   16px;
  --font:        "Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}

/* ---- Reset ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font);color:var(--text-1);background:var(--bg-1);line-height:1.6;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit;transition:color .2s}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button{cursor:pointer;font-family:var(--font);border:none;background:none}

/* ---- Utility ---- */
.container{max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-alt{background:var(--bg-2)}
.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:20px;background:var(--blue-light);color:var(--blue);font-size:13px;font-weight:600;letter-spacing:.3px}
.text-center{text-align:center}

/* ---- Section Headings ---- */
.section-title{font-size:36px;font-weight:700;color:var(--text-1);line-height:1.25;margin-bottom:14px}
.section-sub{font-size:16px;color:var(--text-2);max-width:600px;margin:0 auto 56px;line-height:1.7}
.section-title.left,.section-sub.left{margin-left:0;text-align:left}

/* ---- Buttons ---- */
.btn-orange{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 28px;height:46px;border-radius:6px;background:linear-gradient(90deg,var(--orange),var(--orange-end));color:#fff;font-size:15px;font-weight:600;transition:opacity .2s,transform .15s,box-shadow .2s;box-shadow:0 6px 20px rgba(251,130,18,.35)}
.btn-orange:hover{opacity:.88;transform:translateY(-2px);box-shadow:0 10px 28px rgba(251,130,18,.4)}
.btn-outline{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 28px;height:46px;border-radius:6px;border:1.5px solid var(--blue);color:var(--blue);font-size:15px;font-weight:600;transition:all .2s}
.btn-outline:hover{background:var(--blue);color:#fff;box-shadow:0 6px 20px rgba(39,84,246,.25)}
.btn-blue{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 28px;height:46px;border-radius:6px;background:var(--blue);color:#fff;font-size:15px;font-weight:600;transition:all .2s;box-shadow:0 6px 20px rgba(39,84,246,.3)}
.btn-blue:hover{background:var(--blue-dark);box-shadow:0 10px 28px rgba(39,84,246,.38);transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 20px;font-size:14px}
.btn-lg{height:52px;padding:0 36px;font-size:16px;border-radius:8px}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav{position:fixed;top:0;left:0;right:0;z-index:999;height:64px;background:rgba(255,255,255,.95);border-bottom:1px solid var(--border);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:box-shadow .3s}
.nav.scrolled{box-shadow:var(--shadow-sm)}
.nav .container{height:64px;display:flex;align-items:center;justify-content:space-between;gap:32px}
.nav-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-logo img{height:34px}
.nav-logo-text{font-size:22px;font-weight:800;color:var(--blue);letter-spacing:0}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-link{padding:6px 14px;border-radius:6px;font-size:14.5px;font-weight:500;color:var(--text-2);transition:color .2s,background .2s;white-space:nowrap}
.nav-link:hover,.nav-link.active{color:var(--blue);background:var(--blue-light)}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px;cursor:pointer}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--text-1);border-radius:2px;transition:.3s}

/* ============================================================
   HERO
   ============================================================ */
.hero{padding:120px 0 80px;background:linear-gradient(160deg,#f0f5ff 0%,#e8eeff 40%,#f7f9ff 100%);overflow:hidden;position:relative}
.hero::before{content:'';position:absolute;top:-200px;right:-200px;width:700px;height:700px;background:radial-gradient(circle,rgba(39,84,246,.07) 0%,transparent 65%);pointer-events:none}
.hero::after{content:'';position:absolute;bottom:-100px;left:-100px;width:500px;height:500px;background:radial-gradient(circle,rgba(251,130,18,.06) 0%,transparent 65%);pointer-events:none}
.hero .container{display:flex;align-items:center;gap:60px;position:relative;z-index:1}
.hero-content{flex:1;min-width:0}
.hero-tag{margin-bottom:20px}
.hero-title{font-size:48px;font-weight:800;line-height:1.18;color:var(--text-1);margin-bottom:22px;letter-spacing:0}
.hero-title span{color:var(--blue)}
.hero-desc{font-size:17px;color:var(--text-2);line-height:1.75;max-width:480px;margin-bottom:36px}
.hero-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.hero-visual{flex:0 0 520px;position:relative}
.hero-card{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);overflow:hidden;border:1px solid var(--border)}
.hero-photo{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);overflow:hidden;border:1px solid rgba(31,111,235,.16);aspect-ratio:16/10}
.hero-photo img{width:100%;height:100%;object-fit:cover}
/* Mock dashboard UI */
.db-header{background:linear-gradient(90deg,#2754f6,#4b72ff);padding:14px 20px;display:flex;align-items:center;gap:12px}
.db-header-title{color:#fff;font-size:13px;font-weight:600}
.db-dots{display:flex;gap:5px}
.db-dot{width:8px;height:8px;border-radius:50%;opacity:.7}
.db-dot.red{background:#ff5f57}.db-dot.yellow{background:#febc2e}.db-dot.green{background:#28c840}
.db-body{display:flex;min-height:320px}
.db-sidebar{width:48px;background:#1d2a5a;padding:12px 0;display:flex;flex-direction:column;align-items:center;gap:8px}
.db-sidebar-icon{width:30px;height:30px;border-radius:7px;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;font-size:13px;color:rgba(255,255,255,.7)}
.db-sidebar-icon.active{background:var(--blue);color:#fff}
.db-main{flex:1;padding:16px;background:#f7f9ff;display:flex;flex-direction:column;gap:12px}
.db-row{display:flex;gap:10px}
.db-metric{flex:1;background:#fff;border-radius:8px;padding:12px;border:1px solid var(--border)}
.db-metric-label{font-size:10px;color:var(--text-3);margin-bottom:4px}
.db-metric-value{font-size:18px;font-weight:700;color:var(--text-1)}
.db-metric-change{font-size:10px;color:#10b981;margin-top:2px}
.db-chart{background:#fff;border-radius:8px;padding:14px;border:1px solid var(--border)}
.db-chart-title{font-size:11px;font-weight:600;color:var(--text-2);margin-bottom:10px}
.db-bars{display:flex;align-items:flex-end;gap:6px;height:60px}
.db-bar{flex:1;border-radius:3px 3px 0 0;background:var(--blue);opacity:.7;transition:.3s}
.db-bar:nth-child(even){background:var(--orange);opacity:.6}
.db-table{background:#fff;border-radius:8px;border:1px solid var(--border);overflow:hidden}
.db-table-header{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:8px;padding:8px 12px;background:var(--bg-2);border-bottom:1px solid var(--border)}
.db-table-header span{font-size:10px;color:var(--text-3);font-weight:600}
.db-table-row{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:8px;padding:7px 12px;border-bottom:1px solid #f0f3f8}
.db-table-row span{font-size:10px;color:var(--text-2)}
.db-table-row span.green{color:#10b981;font-weight:600}
.db-table-row span.red{color:#f43f5e;font-weight:600}
/* Hero stats */
.hero-stats{display:flex;gap:0;margin-top:48px;border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm);border:1px solid var(--border);overflow:hidden}
.hero-stat{flex:1;padding:20px 24px;text-align:center;border-right:1px solid var(--border)}
.hero-stat:last-child{border-right:none}
.hero-stat-num{font-size:28px;font-weight:800;color:var(--blue);line-height:1}
.hero-stat-label{font-size:12px;color:var(--text-3);margin-top:5px}

/* ============================================================
   TRUST STRIP
   ============================================================ */
.trust-strip{padding:28px 0;background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.trust-strip .container{display:flex;align-items:center;justify-content:center;gap:0}
.trust-item{display:flex;align-items:center;gap:10px;padding:0 36px;border-right:1px solid var(--border)}
.trust-item:last-child{border-right:none}
.trust-icon{width:36px;height:36px;border-radius:8px;background:var(--blue-light);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:18px}
.trust-text{font-size:13.5px;font-weight:600;color:var(--text-1);white-space:nowrap}

/* ============================================================
   FUNCTIONS / FEATURES
   ============================================================ */
.func-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.func-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px 28px;transition:all .3s;cursor:default}
.func-card:hover{border-color:var(--blue);box-shadow:var(--shadow-md);transform:translateY(-4px)}
.func-icon{width:52px;height:52px;border-radius:12px;background:var(--blue-light);display:flex;align-items:center;justify-content:center;margin-bottom:20px;font-size:26px;transition:.3s}
.func-card:hover .func-icon{background:var(--blue)}
.func-card:hover .func-icon svg,.func-card:hover .func-icon span{filter:brightness(10)}
.func-title{font-size:17px;font-weight:700;color:var(--text-1);margin-bottom:10px}
.func-desc{font-size:14px;color:var(--text-2);line-height:1.65}
.func-link{display:inline-flex;align-items:center;gap:5px;margin-top:16px;font-size:13px;font-weight:600;color:var(--blue)}
.func-link svg{transition:transform .2s}
.func-card:hover .func-link svg{transform:translateX(4px)}

/* ============================================================
   ADVANTAGES
   ============================================================ */
.adv-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.adv-list{display:flex;flex-direction:column;gap:20px}
.adv-item{display:flex;align-items:flex-start;gap:16px;padding:20px 24px;background:#fff;border-radius:var(--radius);border:1px solid var(--border);transition:.3s}
.adv-item:hover{border-color:var(--blue);box-shadow:var(--shadow-sm)}
.adv-num{flex-shrink:0;width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--blue),#6e8eff);color:#fff;font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center}
.adv-item-title{font-size:15px;font-weight:700;color:var(--text-1);margin-bottom:4px}
.adv-item-desc{font-size:13px;color:var(--text-2);line-height:1.6}
.adv-visual{position:relative}
.adv-screen{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);overflow:hidden;border:1px solid var(--border)}
.adv-screen-bar{height:10px;background:linear-gradient(90deg,var(--blue),var(--orange));border-radius:10px 10px 0 0}
.adv-photo{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);overflow:hidden;border:1px solid rgba(31,111,235,.16);aspect-ratio:4/3}
.adv-photo img{width:100%;height:100%;object-fit:cover}

/* ============================================================
   PRICING
   ============================================================ */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.price-card{background:#fff;border:2px solid var(--border);border-radius:var(--radius-lg);padding:36px 32px;transition:.3s;position:relative}
.price-card.popular{border-color:var(--blue);box-shadow:var(--shadow-md)}
.price-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);padding:4px 18px;background:linear-gradient(90deg,var(--blue),#5e83ff);color:#fff;border-radius:20px;font-size:12px;font-weight:700;white-space:nowrap}
.price-name{font-size:20px;font-weight:700;color:var(--text-1);margin-bottom:4px}
.price-use{font-size:13px;color:var(--text-3);margin-bottom:20px}
.price-amount{font-size:38px;font-weight:800;color:var(--text-1);line-height:1;margin-bottom:6px}
.price-amount small{font-size:16px;font-weight:500;color:var(--text-3)}
.price-amount.custom{font-size:22px;color:var(--blue)}
.price-divider{height:1px;background:var(--border);margin:24px 0}
.price-features{display:flex;flex-direction:column;gap:10px;margin-bottom:32px}
.price-feature{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--text-2)}
.price-feature-label{color:var(--text-3);min-width:80px;flex-shrink:0;font-size:12px}
.price-feature-val{font-weight:600;color:var(--text-1)}
.check-icon{flex-shrink:0;width:16px;height:16px;border-radius:50%;background:var(--blue-light);color:var(--blue);display:flex;align-items:center;justify-content:center;font-size:10px}
.check-icon.green{background:#d1fae5;color:#059669}
.price-card.popular .price-amount{color:var(--blue)}

/* ============================================================
   FAQ
   ============================================================ */
.faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;font-size:15px;font-weight:600;color:var(--text-1);cursor:pointer;text-align:left;transition:.2s}
.faq-q:hover{color:var(--blue)}
.faq-q.open{color:var(--blue)}
.faq-q svg{flex-shrink:0;transition:transform .3s;color:var(--text-3)}
.faq-q.open svg{transform:rotate(180deg);color:var(--blue)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease,padding .3s}
.faq-a.open{max-height:400px}
.faq-a-inner{padding:0 24px 20px;font-size:14px;color:var(--text-2);line-height:1.75;border-top:1px solid var(--border)}

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-section{background:linear-gradient(135deg,#1d3fbb 0%,#2754f6 50%,#4b6dff 100%);padding:80px 0;text-align:center;position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;top:-100px;right:-100px;width:400px;height:400px;background:radial-gradient(circle,rgba(255,255,255,.08),transparent 65%);pointer-events:none}
.cta-section::after{content:'';position:absolute;bottom:-80px;left:-80px;width:350px;height:350px;background:radial-gradient(circle,rgba(251,130,18,.12),transparent 65%);pointer-events:none}
.cta-title{font-size:38px;font-weight:800;color:#fff;margin-bottom:14px;position:relative;z-index:1}
.cta-sub{font-size:16px;color:rgba(255,255,255,.75);margin-bottom:36px;position:relative;z-index:1}
.cta-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;position:relative;z-index:1}
.btn-white{background:#fff;color:var(--blue);border:none;box-shadow:0 6px 24px rgba(0,0,0,.15)}
.btn-white:hover{background:#f0f5ff;box-shadow:0 10px 32px rgba(0,0,0,.2);transform:translateY(-2px)}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{background:#0d1b36;padding:64px 0 32px;color:rgba(255,255,255,.75)}
.footer .container{display:flex;gap:0}
.footer-brand{flex:0 0 280px;padding-right:48px}
.footer-logo-text{font-size:24px;font-weight:800;color:#fff;letter-spacing:0;margin-bottom:16px}
.footer-desc{font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.55);margin-bottom:24px}
.footer-contact{display:flex;flex-direction:column;gap:8px}
.footer-contact a,.footer-contact span{font-size:13px;color:rgba(255,255,255,.55);display:flex;align-items:center;gap:8px}
.footer-contact a:hover{color:rgba(255,255,255,.9)}
.footer-contact-icon{width:16px;height:16px;opacity:.6;flex-shrink:0}
.footer-cols{flex:1;display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.footer-col{padding:0 16px}
.footer-col-title{font-size:13px;font-weight:700;color:#fff;letter-spacing:.8px;text-transform:uppercase;margin-bottom:20px;padding-bottom:10px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:13px;color:rgba(255,255,255,.5);transition:.2s}
.footer-col a:hover{color:#fff}
.footer-bottom{margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.footer-copyright{font-size:12px;color:rgba(255,255,255,.35)}
.footer-bottom-links{display:flex;gap:20px}
.footer-bottom-links a{font-size:12px;color:rgba(255,255,255,.35);transition:.2s}
.footer-bottom-links a:hover{color:rgba(255,255,255,.7)}

/* ============================================================
   COOKIE BANNER
   ============================================================ */
.cookie-banner{position:fixed;bottom:0;left:0;right:0;z-index:9999;background:#fff;border-top:1px solid var(--border);box-shadow:0 -4px 24px rgba(0,0,0,.08);padding:16px 32px;display:flex;align-items:center;gap:20px;flex-wrap:wrap;transform:translateY(100%);transition:transform .4s ease}
.cookie-banner.show{transform:translateY(0)}
.cookie-text{flex:1;font-size:13px;color:var(--text-2);line-height:1.5;min-width:200px}
.cookie-text a{color:var(--blue);text-decoration:underline}
.cookie-actions{display:flex;gap:10px;flex-shrink:0}

/* ============================================================
   POLICY PAGES
   ============================================================ */
.policy-hero{padding:100px 0 48px;background:linear-gradient(160deg,#f0f5ff 0%,#eef3ff 100%)}
.policy-hero-title{font-size:36px;font-weight:800;color:var(--text-1);margin-bottom:12px}
.policy-hero-sub{font-size:15px;color:var(--text-2)}
.policy-body{padding:56px 0 80px}
.policy-body .container{display:grid;grid-template-columns:220px 1fr;gap:48px;align-items:start}
.policy-toc{position:sticky;top:80px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.policy-toc-title{font-size:12px;font-weight:700;color:var(--text-3);text-transform:uppercase;letter-spacing:.8px;margin-bottom:16px}
.policy-toc a{display:block;padding:7px 0;font-size:13px;color:var(--text-2);border-left:2px solid transparent;padding-left:12px;transition:.2s;margin-left:-12px}
.policy-toc a:hover,.policy-toc a.active{color:var(--blue);border-color:var(--blue)}
.policy-content{font-size:15px;color:var(--text-2);line-height:1.8}
.policy-content h2{font-size:20px;font-weight:700;color:var(--text-1);margin:36px 0 14px;padding-bottom:10px;border-bottom:1px solid var(--border)}
.policy-content h2:first-child{margin-top:0}
.policy-content p{margin-bottom:14px}
.policy-content table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px}
.policy-content th,.policy-content td{padding:12px 16px;border:1px solid var(--border);text-align:left}
.policy-content th{background:var(--bg-2);font-weight:600;color:var(--text-1)}
.policy-content ul,.policy-content ol{margin:12px 0 12px 20px}
.policy-content li{margin-bottom:6px}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:1024px){
  .hero .container{flex-direction:column;gap:48px}
  .hero-visual{flex:none;width:100%;max-width:600px;margin:0 auto}
  .hero-title{font-size:38px}
  .adv-grid{grid-template-columns:1fr}
  .adv-visual{display:none}
  .footer .container{flex-direction:column}
  .footer-brand{flex:none;padding-right:0;padding-bottom:32px}
  .policy-body .container{grid-template-columns:1fr}
  .policy-toc{display:none}
}
@media(max-width:768px){
  .container{padding:0 20px}
  .section{padding:64px 0}
  .section-title{font-size:28px}
  .hero-title{font-size:30px}
  .hero-stats{flex-wrap:wrap}
  .hero-stat{flex:0 0 50%;border-right:1px solid var(--border)}
  .hero-stat:nth-child(even){border-right:none}
  .func-grid,.price-grid{grid-template-columns:1fr}
  .trust-strip .container{flex-wrap:wrap;justify-content:flex-start;gap:16px}
  .trust-item{border-right:none;padding:8px 16px}
  .nav-menu,.nav-actions .btn-outline{display:none}
  .nav-toggle{display:flex}
  .footer-cols{grid-template-columns:repeat(2,1fr);gap:24px}
  .price-grid{grid-template-columns:1fr;max-width:420px;margin:0 auto}
  .faq-q{padding:16px 20px}
  .faq-a-inner{padding:0 20px 16px}
  .cta-title{font-size:28px}
  .hero-actions .btn-outline{display:none}
}
@media(min-width:769px){
  .mobile-menu{display:none!important}
}

/* Mobile nav */
.mobile-menu{position:fixed;top:64px;left:0;right:0;background:#fff;z-index:998;border-bottom:1px solid var(--border);padding:12px 20px;display:flex;flex-direction:column;gap:4px;box-shadow:0 8px 24px rgba(0,0,0,.1)}
.mobile-menu a{padding:12px 16px;border-radius:8px;font-size:15px;color:var(--text-1);font-weight:500}
.mobile-menu a:hover,.mobile-menu a.active{background:var(--blue-light);color:var(--blue)}
.mobile-menu .btn-orange{margin-top:8px;width:100%;justify-content:center}
.mobile-menu .mobile-auth{display:flex;gap:8px;margin-top:8px;padding:0 4px}
.mobile-menu .mobile-auth a{flex:1;text-align:center;padding:10px;border-radius:8px;font-size:14px}

/* ============================================================
   AUTH PAGES (login / register)
   ============================================================ */
.auth-page{min-height:100vh;background:linear-gradient(160deg,#f0f5ff 0%,#e8eeff 40%,#f7f9ff 100%);display:flex;flex-direction:column}
.auth-page .nav{background:rgba(255,255,255,.95)}
.auth-main{flex:1;display:flex;align-items:center;justify-content:center;padding:100px 20px 60px}
.auth-card{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);border:1px solid var(--border);width:100%;max-width:440px;padding:44px 40px}
.auth-logo{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:32px}
.auth-logo-text{font-size:22px;font-weight:800;color:var(--blue)}
.auth-title{font-size:24px;font-weight:700;color:var(--text-1);text-align:center;margin-bottom:6px}
.auth-sub{font-size:14px;color:var(--text-3);text-align:center;margin-bottom:32px}
.auth-form{display:flex;flex-direction:column;gap:18px}
.form-group{display:flex;flex-direction:column;gap:7px}
.form-label{font-size:13.5px;font-weight:600;color:var(--text-2)}
.form-input{height:44px;border:1.5px solid var(--border);border-radius:8px;padding:0 14px;font-size:14.5px;color:var(--text-1);font-family:var(--font);outline:none;transition:border-color .2s,box-shadow .2s;background:#fff}
.form-input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(39,84,246,.10)}
.form-input::placeholder{color:var(--text-3)}
.form-input.error{border-color:#f43f5e}
.form-hint{font-size:12px;color:var(--text-3);margin-top:2px}
.form-hint.error-msg{color:#f43f5e}
.form-row{display:flex;align-items:center;justify-content:space-between;gap:8px}
.form-check{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);cursor:pointer}
.form-check input{width:16px;height:16px;accent-color:var(--blue);cursor:pointer}
.form-link{font-size:13px;color:var(--blue);font-weight:500}
.form-link:hover{color:var(--blue-dark);text-decoration:underline}
.btn-submit{width:100%;height:46px;border-radius:8px;background:linear-gradient(90deg,var(--blue),#5272f6);color:#fff;font-size:15px;font-weight:700;border:none;cursor:pointer;font-family:var(--font);transition:opacity .2s,transform .15s;box-shadow:0 6px 20px rgba(39,84,246,.3)}
.btn-submit:hover{opacity:.88;transform:translateY(-1px)}
.auth-divider{display:flex;align-items:center;gap:12px;margin:4px 0}
.auth-divider::before,.auth-divider::after{content:'';flex:1;height:1px;background:var(--border)}
.auth-divider span{font-size:12px;color:var(--text-3);white-space:nowrap}
.auth-switch{text-align:center;font-size:13.5px;color:var(--text-2);margin-top:8px}
.auth-switch a{color:var(--blue);font-weight:600}
.auth-switch a:hover{text-decoration:underline}
.auth-terms{font-size:12px;color:var(--text-3);text-align:center;line-height:1.6;margin-top:4px}
.auth-terms a{color:var(--blue)}
.input-wrap{position:relative}
.input-wrap .form-input{padding-right:44px}
.input-suffix{position:absolute;right:14px;top:50%;transform:translateY(-50%);color:var(--text-3);cursor:pointer;display:flex;align-items:center;font-size:12px;gap:4px}
.input-prefix{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-3)}
.input-prefix~.form-input{padding-left:36px}
.verify-row{display:flex;gap:10px}
.verify-row .form-input{flex:1}
.btn-verify{flex-shrink:0;height:44px;padding:0 16px;border-radius:8px;border:1.5px solid var(--blue);background:#fff;color:var(--blue);font-size:13px;font-weight:600;cursor:pointer;transition:.2s;white-space:nowrap}
.btn-verify:hover{background:var(--blue-light)}
.btn-verify:disabled{border-color:var(--border);color:var(--text-3);cursor:not-allowed}
.password-strength{display:flex;align-items:center;gap:8px;margin-top:6px}
.strength-bar{flex:1;height:4px;border-radius:2px;background:var(--border);overflow:hidden}
.strength-fill{height:100%;width:0;border-radius:2px;transition:width .3s,background .3s}
.strength-label{font-size:12px;font-weight:600;white-space:nowrap}
.password-strength-bar{height:100%;width:0;border-radius:2px;transition:width .3s,background .3s}
.auth-link{color:var(--blue);font-weight:500}
.auth-link:hover{text-decoration:underline;color:var(--blue-dark)}
.auth-error{font-size:13px;padding:10px 14px;border-radius:8px;background:#fff5f5;border:1px solid #fecaca;color:#dc2626}
.auth-footer-text{text-align:center;font-size:13.5px;color:var(--text-2);margin-top:16px}

/* ============================================================
   HELP PAGE
   ============================================================ */
.help-page{display:flex;flex-direction:column;min-height:100vh}
.help-layout{flex:1;display:flex;padding-top:64px}
.help-sidebar-inner{padding:20px 0}
.help-search-wrap{padding:0 16px 12px}
.help-breadcrumb{font-size:13px;color:var(--text-3);margin-bottom:20px;display:flex;align-items:center;gap:6px}
.help-breadcrumb a{color:var(--text-3)}
.help-breadcrumb a:hover{color:var(--blue)}
.help-breadcrumb span{color:var(--text-2);font-weight:600}
.help-img-wrap{margin:16px 0;border-radius:8px;overflow:hidden;border:1px solid var(--border)}
.help-img{width:100%;height:auto;display:block}
.help-sidebar{width:260px;flex-shrink:0;position:sticky;top:64px;height:calc(100vh - 64px);overflow-y:auto;background:#fff;border-right:1px solid var(--border);padding:24px 0}
.help-sidebar::-webkit-scrollbar{width:4px}
.help-sidebar::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}
.help-sidebar-section{margin-bottom:8px}
.help-sidebar-title{font-size:11px;font-weight:700;color:var(--text-3);letter-spacing:.8px;text-transform:uppercase;padding:6px 24px;margin-bottom:2px}
.help-nav-item{display:flex;align-items:center;gap:10px;padding:9px 24px;font-size:13.5px;color:var(--text-2);cursor:pointer;transition:.15s;border-left:3px solid transparent;line-height:1.4}
.help-nav-item:hover{background:var(--bg-2);color:var(--text-1)}
.help-nav-item.active{background:var(--blue-light);color:var(--blue);border-left-color:var(--blue);font-weight:600}
.help-nav-item .help-nav-num{flex-shrink:0;width:20px;height:20px;border-radius:5px;background:var(--bg-2);display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;color:var(--text-3)}
.help-nav-item.active .help-nav-num{background:var(--blue);color:#fff}
.help-content{flex:1;min-width:0;padding:40px 48px;background:var(--bg-2)}
.help-search-bar{background:#fff;border-radius:var(--radius);border:1px solid var(--border);padding:16px 20px;display:flex;align-items:center;gap:12px;margin-bottom:32px;box-shadow:var(--shadow-sm)}
.help-search-input{flex:1;border:none;outline:none;font-size:14.5px;color:var(--text-1);font-family:var(--font)}
.help-search-input::placeholder{color:var(--text-3)}
.help-article{background:#fff;border-radius:var(--radius-lg);border:1px solid var(--border);padding:36px 40px;box-shadow:var(--shadow-sm)}
.help-article-header{padding-bottom:20px;border-bottom:1px solid var(--border);margin-bottom:28px}
.help-article-category{font-size:12px;font-weight:600;color:var(--blue);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}
.help-article-title{font-size:24px;font-weight:700;color:var(--text-1)}
.help-section{margin-bottom:32px}
.help-section-title{font-size:16px;font-weight:700;color:var(--text-1);margin-bottom:12px;padding-left:12px;border-left:3px solid var(--blue)}
.help-section-text{font-size:14px;color:var(--text-2);line-height:1.8;margin-bottom:12px}
.help-img-placeholder{background:var(--bg-2);border:2px dashed var(--border);border-radius:8px;padding:32px;text-align:center;margin:16px 0;color:var(--text-3);font-size:13px}
.help-nav-btns{display:flex;justify-content:space-between;gap:16px;margin-top:32px;padding-top:24px;border-top:1px solid var(--border)}
.help-nav-btn{display:flex;flex-direction:column;gap:4px;padding:14px 20px;border-radius:var(--radius);border:1px solid var(--border);background:#fff;cursor:pointer;text-align:left;flex:1;transition:.2s;max-width:48%}
.help-nav-btn:hover{border-color:var(--blue);box-shadow:var(--shadow-sm)}
.help-nav-btn .dir{font-size:11px;color:var(--text-3)}
.help-nav-btn .name{font-size:13.5px;font-weight:600;color:var(--text-1)}
.help-nav-btn.next{text-align:right}
.help-empty{text-align:center;padding:80px 20px;color:var(--text-3)}
.help-empty svg{margin:0 auto 16px;opacity:.3}
@media(max-width:1024px){
  .help-sidebar{width:220px}
  .help-content{padding:32px 28px}
}
@media(max-width:768px){
  .help-layout{flex-direction:column}
  .help-sidebar{width:100%;height:auto;position:static;border-right:none;border-bottom:1px solid var(--border);padding:12px 0;overflow-x:auto}
  .help-sidebar-section{white-space:nowrap}
  .help-nav-item{display:inline-flex;border-left:none;border-bottom:3px solid transparent;padding:8px 16px}
  .help-nav-item.active{border-bottom-color:var(--blue);border-left:none}
  .help-content{padding:20px}
  .help-article{padding:24px 20px}
}