/* ============ 基础变量与全局重置 ============ */
:root {
  --blue: #1E6FFF;
  --cyan: #00E5FF;
  --bg-dark: #0A0F1F;
  --bg-darker: #080b18;
  --bg-card: #111827;
  --text-white: #FFFFFF;
  --text-body: #B0C4DE;
  --text-muted: #6B7B8D;
  --border-subtle: rgba(255,255,255,0.08);
  --radius: 16px;
  --radius-sm: 10px;
  --max-width: 1200px;
  --nav-height: 64px;
  --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', 'Menlo', monospace;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:var(--nav-height);font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;background-color:var(--bg-dark);color:var(--text-body);line-height:1.7;overflow-x:hidden;min-width:320px}#lang-toggle{display:none}.lang-zh{display:block}.lang-en{display:none}#lang-toggle:checked~.page-wrapper .lang-zh{display:none}#lang-toggle:checked~.page-wrapper .lang-en{display:block}#lang-toggle:checked~.page-wrapper span.lang-zh,#lang-toggle:checked~.page-wrapper a.lang-zh{display:none}#lang-toggle:checked~.page-wrapper span.lang-en,#lang-toggle:checked~.page-wrapper a.lang-en{display:inline}#lang-toggle:checked~.page-wrapper .lang-zh-inline{display:none}#lang-toggle:checked~.page-wrapper .lang-en-inline{display:inline}span.lang-en,a.lang-en,.lang-en-inline{display:none}span.lang-zh,a.lang-zh,.lang-zh-inline{display:inline}#lang-toggle:checked~.page-wrapper span.lang-en,#lang-toggle:checked~.page-wrapper a.lang-en{display:inline}#lang-toggle:checked~.page-wrapper .lang-en-inline{display:inline}#lang-toggle:checked~.page-wrapper span.lang-zh,#lang-toggle:checked~.page-wrapper a.lang-zh{display:none}#lang-toggle:checked~.page-wrapper .lang-zh-inline{display:none}#lang-toggle:checked~.page-wrapper .lang-zh-flex{display:none}#lang-toggle:checked~.page-wrapper .lang-en-flex{display:flex}.lang-en-flex{display:none}.lang-zh-flex{display:flex}.page-wrapper{position:relative;z-index:1}.header{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--nav-height);background:rgba(10,15,31,0.75);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border-subtle);transition:var(--transition)}.header-inner{max-width:var(--max-width);margin:0 auto;padding:0 24px;height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}.logo-link{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;z-index:1001}.logo-icon{width:36px;height:36px;border-radius:50%;background:conic-gradient(from 0deg,var(--blue),var(--cyan),var(--blue));animation:logo-spin 4s linear infinite;display:flex;align-items:center;justify-content:center;font-size:18px;color:#fff;flex-shrink:0}@keyframes logo-spin{to{transform:rotate(360deg)}}.logo-text{font-size:1.25rem;font-weight:700;color:var(--text-white);letter-spacing:-0.5px;white-space:nowrap}.logo-text .accent{color:var(--cyan)}.nav-links{display:flex;align-items:center;gap:8px;list-style:none;flex-wrap:nowrap}.nav-links a{text-decoration:none;color:var(--text-body);font-size:0.9rem;padding:8px 14px;border-radius:8px;transition:var(--transition);white-space:nowrap;font-weight:500}.nav-links a:hover,.nav-links a:focus-visible{color:var(--text-white);background:rgba(255,255,255,0.06);outline:none}.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}.btn-login{text-decoration:none;color:var(--text-white);font-size:0.9rem;padding:8px 16px;border-radius:8px;transition:var(--transition);font-weight:500;white-space:nowrap}.btn-login:hover{background:rgba(255,255,255,0.08)}.btn-nav-cta{text-decoration:none;display:inline-block;background:var(--blue);color:#fff;font-weight:600;font-size:0.9rem;padding:10px 20px;border-radius:25px;transition:var(--transition);white-space:nowrap;box-shadow:0 4px 18px rgba(30,111,255,0.4);letter-spacing:0.3px}.btn-nav-cta:hover{background:#3b85ff;box-shadow:0 6px 24px rgba(30,111,255,0.6);transform:translateY(-1px)}.lang-switch-label{cursor:pointer;display:flex;align-items:center;gap:6px;padding:7px 12px;border-radius:20px;border:1.5px solid rgba(255,255,255,0.25);color:var(--text-white);font-size:0.82rem;font-weight:600;transition:var(--transition);user-select:none;white-space:nowrap;background:rgba(255,255,255,0.04);letter-spacing:0.3px}.lang-switch-label:hover{border-color:var(--cyan);color:var(--cyan);background:rgba(0,229,255,0.08);box-shadow:0 0 14px rgba(0,229,255,0.2)}.lang-switch-label .globe-icon{font-size:1rem}.lang-switch-label .slash{color:var(--text-muted);margin:0 1px}#mobile-menu-toggle{display:none}.mobile-menu-btn{display:none;cursor:pointer;z-index:1001;flex-direction:column;gap:5px;padding:8px}.mobile-menu-btn span{display:block;width:24px;height:2.5px;background:var(--text-white);border-radius:2px;transition:var(--transition)}.mobile-nav{display:none;position:fixed;top:var(--nav-height);left:0;right:0;bottom:0;background:rgba(10,15,31,0.97);backdrop-filter:blur(30px);-webkit-backdrop-filter:blur(30px);flex-direction:column;padding:20px 24px;gap:4px;z-index:999;overflow-y:auto}.mobile-nav a{display:block;text-decoration:none;color:var(--text-body);font-size:1.05rem;padding:14px 16px;border-radius:10px;transition:var(--transition);font-weight:500}.mobile-nav a:hover{color:#fff;background:rgba(255,255,255,0.05)}#mobile-menu-toggle:checked~.mobile-nav{display:flex}#mobile-menu-toggle:checked~.mobile-menu-btn span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}#mobile-menu-toggle:checked~.mobile-menu-btn span:nth-child(2){opacity:0}#mobile-menu-toggle:checked~.mobile-menu-btn span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}@media (max-width:1024px){.nav-links{display:none}.header-actions .btn-login{display:none}.mobile-menu-btn{display:flex}.header-actions .btn-nav-cta{font-size:0.8rem;padding:8px 14px;border-radius:20px}.lang-switch-label{font-size:0.75rem;padding:6px 10px}}@media (max-width:480px){.header-inner{padding:0 12px;gap:8px}.logo-text{font-size:1rem}.logo-icon{width:28px;height:28px;font-size:14px}.btn-nav-cta{font-size:0.75rem;padding:7px 12px}.lang-switch-label{font-size:0.7rem;padding:5px 8px;gap:3px}}.section{padding:80px 24px;position:relative}.section-inner{max-width:var(--max-width);margin:0 auto}.section-label{text-transform:uppercase;letter-spacing:2px;font-size:0.8rem;color:var(--cyan);margin-bottom:8px;font-weight:600}.section-title{font-size:2.5rem;font-weight:700;color:var(--text-white);margin-bottom:16px;letter-spacing:-0.5px;line-height:1.25}.section-subtitle{font-size:1.1rem;color:var(--text-muted);margin-bottom:48px;max-width:600px}@media (max-width:768px){.section{padding:50px 16px}.section-title{font-size:1.8rem}.section-subtitle{font-size:1rem;margin-bottom:32px}}.hero{min-height:100vh;padding-top:var(--nav-height);display:flex;align-items:center;background:linear-gradient(160deg,#0A0F1F 0%,#0d1528 30%,#111827 60%,#0A0F1F 100%);position:relative;overflow:hidden}.hero-particles{position:absolute;inset:0;pointer-events:none;z-index:0;background:radial-gradient(circle at 20% 30%,rgba(30,111,255,0.12) 0%,transparent 50%),radial-gradient(circle at 75% 60%,rgba(0,229,255,0.08) 0%,transparent 50%),radial-gradient(circle at 50% 80%,rgba(30,111,255,0.06) 0%,transparent 40%)}.hero-particles::after{content:'';position:absolute;inset:0;background-image:radial-gradient(1px 1px at 15% 25%,rgba(255,255,255,0.5),transparent),radial-gradient(1px 1px at 35% 55%,rgba(255,255,255,0.4),transparent),radial-gradient(1.5px 1.5px at 55% 20%,rgba(0,229,255,0.6),transparent),radial-gradient(1px 1px at 70% 45%,rgba(255,255,255,0.35),transparent),radial-gradient(1.5px 1.5px at 80% 70%,rgba(30,111,255,0.55),transparent),radial-gradient(1px 1px at 25% 75%,rgba(255,255,255,0.4),transparent),radial-gradient(1px 1px at 60% 85%,rgba(0,229,255,0.45),transparent),radial-gradient(1.2px 1.2px at 90% 15%,rgba(255,255,255,0.5),transparent);animation:particles-drift 30s linear infinite}@keyframes particles-drift{0%{transform:translateY(0) translateX(0)}25%{transform:translateY(-15px) translateX(8px)}50%{transform:translateY(-5px) translateX(-6px)}75%{transform:translateY(-20px) translateX(4px)}100%{transform:translateY(0) translateX(0)}}.hero-inner{display:flex;align-items:center;gap:50px;max-width:var(--max-width);margin:0 auto;padding:0 24px;position:relative;z-index:1;width:100%}.hero-left{flex:1;min-width:0}.hero-badge{display:inline-block;background:rgba(0,229,255,0.1);border:1px solid rgba(0,229,255,0.3);color:var(--cyan);padding:6px 14px;border-radius:20px;font-size:0.85rem;font-weight:500;margin-bottom:20px;letter-spacing:0.5px}.hero-title{font-size:3.4rem;font-weight:800;color:var(--text-white);line-height:1.2;letter-spacing:-1px;margin-bottom:18px}.hero-title .highlight{background:linear-gradient(135deg,var(--cyan),#5eb8ff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.hero-desc{font-size:1.15rem;color:var(--text-body);margin-bottom:24px;max-width:500px;line-height:1.6}.hero-features-mini{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:32px;list-style:none}.hero-features-mini li{display:flex;align-items:center;gap:7px;font-size:0.9rem;color:var(--text-body);font-weight:500}.hero-features-mini .dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px rgba(0,229,255,0.7);flex-shrink:0}.hero-buttons{display:flex;flex-wrap:wrap;gap:14px;align-items:center}.btn-primary{display:inline-block;text-decoration:none;background:var(--blue);color:#fff;font-weight:600;font-size:1rem;padding:14px 28px;border-radius:28px;transition:var(--transition);box-shadow:0 6px 22px rgba(30,111,255,0.45);letter-spacing:0.3px;text-align:center}.btn-primary:hover{background:#3b85ff;box-shadow:0 8px 30px rgba(30,111,255,0.65);transform:translateY(-2px)}.btn-outline{display:inline-block;text-decoration:none;border:2px solid rgba(255,255,255,0.4);color:var(--text-white);font-weight:600;font-size:1rem;padding:13px 26px;border-radius:28px;transition:var(--transition);letter-spacing:0.3px;text-align:center}.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,0.06);transform:translateY(-2px)}.hero-note{font-size:0.8rem;color:var(--text-muted);margin-top:14px}.hero-right{flex:1;display:flex;align-items:center;justify-content:center;min-width:300px}.hero-globe{width:100%;max-width:460px;aspect-ratio:1/1;border-radius:50%;background:radial-gradient(circle at 40% 40%,rgba(30,111,255,0.2) 0%,transparent 60%),radial-gradient(circle,rgba(0,229,255,0.08) 0%,transparent 70%);border:1.5px solid rgba(255,255,255,0.1);position:relative;display:flex;align-items:center;justify-content:center;box-shadow:0 0 80px rgba(30,111,255,0.15),inset 0 0 60px rgba(0,229,255,0.04)}.hero-globe-inner{text-align:center;z-index:2}.hero-globe-inner .pulse-dot{width:16px;height:16px;background:var(--cyan);border-radius:50%;display:inline-block;margin-bottom:12px;box-shadow:0 0 24px rgba(0,229,255,0.8);animation:pulse-glow 2s ease-in-out infinite}@keyframes pulse-glow{0%,100%{box-shadow:0 0 16px rgba(0,229,255,0.6)}50%{box-shadow:0 0 36px rgba(0,229,255,1),0 0 60px rgba(0,229,255,0.5)}}.hero-globe-inner .conn-status{font-family:var(--font-mono);color:var(--cyan);font-size:0.9rem;letter-spacing:1px}.hero-globe-inner .conn-city{font-size:1.5rem;font-weight:700;color:#fff;margin:4px 0}.hero-globe-inner .conn-latency{font-family:var(--font-mono);font-size:2rem;font-weight:700;color:var(--cyan)}@media (max-width:900px){.hero-inner{flex-direction:column;text-align:center;gap:30px;padding-top:30px;padding-bottom:40px}.hero-title{font-size:2.2rem}.hero-desc{margin:0 auto 20px;font-size:1rem}.hero-features-mini{justify-content:center}.hero-buttons{justify-content:center}.hero-right{min-width:0}.hero-globe{max-width:280px}.hero-globe-inner .conn-city{font-size:1.2rem}.hero-globe-inner .conn-latency{font-size:1.4rem}}.trust-bar{background:rgba(255,255,255,0.02);border-top:1px solid var(--border-subtle);border-bottom:1px solid var(--border-subtle);padding:28px 24px;text-align:center}.trust-bar-inner{max-width:var(--max-width);margin:0 auto;display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:30px 50px}.trust-item{color:var(--text-muted);font-size:0.9rem;font-weight:500;letter-spacing:0.5px;transition:var(--transition);text-decoration:none;display:flex;align-items:center;gap:8px}.trust-item:hover{color:#fff}.trust-item .trust-icon{font-size:1.3rem}@media (max-width:600px){.trust-bar-inner{gap:16px 24px}.trust-item{font-size:0.78rem}}.why-us{background:var(--bg-darker)}.cards-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius);padding:28px 22px;transition:var(--transition);text-decoration:none;color:inherit;display:block}.card:hover{border-color:rgba(255,255,255,0.2);transform:translateY(-4px);box-shadow:0 16px 40px rgba(0,0,0,0.4)}.card-icon{font-size:2.2rem;margin-bottom:16px;display:block}.card h4{color:#fff;font-size:1.15rem;margin-bottom:8px;font-weight:700}.card p{color:var(--text-muted);font-size:0.9rem;line-height:1.5}@media (max-width:900px){.cards-grid{grid-template-columns:repeat(2,1fr);gap:14px}.card{padding:20px 16px}}@media (max-width:480px){.cards-grid{grid-template-columns:1fr}}.global-network{background:var(--bg-dark)}.map-container{background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border-subtle);padding:40px 30px;text-align:center;position:relative;overflow:hidden;min-height:400px;display:flex;flex-direction:column;align-items:center;justify-content:center}.map-visual{width:100%;max-width:700px;height:300px;background:radial-gradient(circle at 30% 40%,rgba(30,111,255,0.5) 0%,transparent 8%),radial-gradient(circle at 55% 30%,rgba(0,229,255,0.5) 0%,transparent 6%),radial-gradient(circle at 70% 55%,rgba(30,111,255,0.45) 0%,transparent 7%),radial-gradient(circle at 20% 60%,rgba(0,229,255,0.4) 0%,transparent 5%),radial-gradient(circle at 80% 25%,rgba(30,111,255,0.5) 0%,transparent 7%),radial-gradient(circle at 45% 70%,rgba(0,229,255,0.4) 0%,transparent 6%),radial-gradient(circle at 60% 20%,rgba(255,255,255,0.3) 0%,transparent 4%);border-radius:50%;position:relative;margin:0 auto;box-shadow:0 0 80px rgba(30,111,255,0.12)}.map-visual::after{content:'';position:absolute;inset:-20px;border-radius:50%;border:1px dashed rgba(255,255,255,0.08);animation:map-ring-rotate 60s linear infinite}@keyframes map-ring-rotate{to{transform:rotate(360deg)}}.map-nodes-info{display:flex;flex-wrap:wrap;gap:24px;justify-content:center;margin-top:24px}.map-node-stat{text-align:center;color:var(--text-body);font-size:0.9rem}.map-node-stat strong{display:block;font-family:var(--font-mono);font-size:1.6rem;color:var(--cyan);font-weight:700}.map-note{margin-top:16px;color:var(--text-muted);font-size:0.8rem}@media (max-width:600px){.map-visual{height:200px;max-width:90%}.map-node-stat strong{font-size:1.2rem}}.dashboard{background:var(--bg-darker)}.dash-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.dash-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius);padding:30px 22px;text-align:center;position:relative;overflow:hidden}.dash-ring{width:100px;height:100px;border-radius:50%;border:6px solid rgba(255,255,255,0.08);border-top-color:var(--cyan);margin:0 auto 16px;animation:dash-ring-spin 3s linear infinite;position:relative}@keyframes dash-ring-spin{to{transform:rotate(360deg)}}.dash-value{font-family:var(--font-mono);font-size:2.2rem;font-weight:700;color:#fff;letter-spacing:-1px}.dash-label{color:var(--text-muted);font-size:0.85rem;margin-top:4px}.dash-action{display:inline-block;text-decoration:none;color:var(--cyan);font-weight:600;font-size:0.9rem;margin-top:12px;border-bottom:1px dashed var(--cyan);padding-bottom:2px;transition:var(--transition)}.dash-action:hover{color:#fff;border-color:#fff}@media (max-width:700px){.dash-grid{grid-template-columns:1fr;gap:14px}.dash-value{font-size:1.6rem}}.platforms{background:var(--bg-dark)}.platform-tabs{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:30px}.platform-tab{display:inline-block;text-decoration:none;padding:10px 18px;border-radius:25px;border:1.5px solid rgba(255,255,255,0.2);color:var(--text-body);font-weight:500;font-size:0.9rem;transition:var(--transition);cursor:pointer}.platform-tab:hover,.platform-tab:focus-visible{border-color:var(--cyan);color:#fff;background:rgba(0,229,255,0.06);outline:none}.platform-showcase{text-align:center;background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border-subtle);padding:30px;max-width:500px;margin:0 auto}.platform-showcase .device-frame{font-size:5rem;margin-bottom:12px;display:block}.platform-showcase .platform-name{font-weight:700;color:#fff;font-size:1.2rem}.platform-showcase .platform-ver{color:var(--text-muted);font-size:0.8rem}.how-to{background:var(--bg-darker)}.steps-row{display:flex;gap:20px;align-items:stretch;flex-wrap:wrap;justify-content:center}.step-card{flex:1;min-width:200px;max-width:320px;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius);padding:28px 20px;text-align:center;position:relative;transition:var(--transition);text-decoration:none;color:inherit;display:block}.step-card:hover{border-color:rgba(255,255,255,0.2);transform:translateY(-3px)}.step-number{width:44px;height:44px;border-radius:50%;background:var(--blue);color:#fff;font-weight:700;font-size:1.2rem;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;box-shadow:0 4px 16px rgba(30,111,255,0.4)}.step-card h4{color:#fff;font-weight:700;margin-bottom:6px}.step-card p{color:var(--text-muted);font-size:0.85rem}.step-arrow{display:flex;align-items:center;font-size:1.8rem;color:var(--cyan);flex-shrink:0}@media (max-width:768px){.steps-row{flex-direction:column;align-items:center}.step-arrow{transform:rotate(90deg);margin:4px 0}.step-card{max-width:100%;width:100%}}.pricing{background:var(--bg-dark)}.pricing-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;align-items:stretch}.price-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius);padding:28px 18px;text-align:center;transition:var(--transition);display:flex;flex-direction:column;position:relative;text-decoration:none;color:inherit}.price-card:hover{border-color:rgba(255,255,255,0.25);transform:translateY(-4px);box-shadow:0 14px 36px rgba(0,0,0,0.5)}.price-card.featured{border-color:var(--cyan);box-shadow:0 0 30px rgba(0,229,255,0.15);transform:scale(1.03);z-index:2;background:#151d30}.price-card.featured:hover{transform:scale(1.04);box-shadow:0 0 40px rgba(0,229,255,0.25)}.price-badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--cyan);color:#000;font-weight:700;font-size:0.75rem;padding:5px 14px;border-radius:12px;letter-spacing:0.5px;white-space:nowrap}.price-name{font-weight:700;color:#fff;font-size:1.1rem;margin-bottom:8px}.price-amount{font-family:var(--font-mono);font-size:2rem;font-weight:700;color:#fff;margin:8px 0}.price-amount .unit{font-size:0.9rem;color:var(--text-muted);font-weight:400}.price-save{color:var(--cyan);font-size:0.8rem;font-weight:600;margin-bottom:12px}.price-features{list-style:none;text-align:left;margin:12px 0 20px;flex:1;font-size:0.85rem;color:var(--text-body);line-height:2}.price-features li::before{content:'✓ ';color:var(--cyan);font-weight:700}.btn-price{display:inline-block;text-decoration:none;background:var(--blue);color:#fff;font-weight:600;font-size:0.9rem;padding:12px 24px;border-radius:25px;transition:var(--transition);box-shadow:0 4px 14px rgba(30,111,255,0.35);text-align:center}.btn-price:hover{background:#3b85ff;box-shadow:0 6px 20px rgba(30,111,255,0.55)}.btn-price-outline{display:inline-block;text-decoration:none;border:2px solid rgba(255,255,255,0.35);color:#fff;font-weight:600;font-size:0.9rem;padding:11px 22px;border-radius:25px;transition:var(--transition);text-align:center}.btn-price-outline:hover{border-color:#fff;background:rgba(255,255,255,0.05)}.pricing-guarantee{text-align:center;margin-top:28px;color:var(--text-muted);font-size:0.85rem}.pricing-guarantee strong{color:var(--cyan)}@media (max-width:1000px){.pricing-grid{grid-template-columns:repeat(2,1fr)}.price-card.featured{transform:scale(1)}.price-card.featured:hover{transform:scale(1.02)}}@media (max-width:550px){.pricing-grid{grid-template-columns:1fr;max-width:400px;margin:0 auto}}.testimonials{background:var(--bg-darker)}.testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.testimonial-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius);padding:24px 20px;transition:var(--transition)}.testimonial-card:nth-child(2){transform:translateY(-10px)}.testimonial-card:nth-child(3){transform:translateY(10px)}.testimonial-card:hover{border-color:rgba(255,255,255,0.2)}.testimonial-stars{color:#f5c518;font-size:0.9rem;margin-bottom:8px;letter-spacing:1px}.testimonial-text{color:var(--text-body);font-style:italic;margin-bottom:14px;line-height:1.5;font-size:0.9rem}.testimonial-author{display:flex;align-items:center;gap:10px}.testimonial-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--cyan));display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;font-size:1rem;flex-shrink:0}.testimonial-name{font-weight:600;color:#fff;font-size:0.9rem}.testimonial-role{color:var(--text-muted);font-size:0.75rem}@media (max-width:768px){.testimonial-grid{grid-template-columns:1fr;max-width:450px;margin:0 auto}.testimonial-card:nth-child(2),.testimonial-card:nth-child(3){transform:none}}.faq{background:var(--bg-dark)}.faq-categories{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:32px;justify-content:center}.faq-cat-tag{display:inline-block;padding:7px 16px;border-radius:20px;border:1.5px solid rgba(255,255,255,0.2);color:var(--text-body);font-size:0.85rem;font-weight:500;text-decoration:none;transition:var(--transition)}.faq-cat-tag:hover{border-color:var(--cyan);color:#fff;background:rgba(0,229,255,0.06)}.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px}.faq-item{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);overflow:hidden;transition:var(--transition)}.faq-item summary{padding:18px 20px;cursor:pointer;font-weight:600;color:#fff;font-size:1rem;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:12px;user-select:none}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary::after{content:'+';font-size:1.4rem;color:var(--cyan);font-weight:300;transition:var(--transition);flex-shrink:0}.faq-item[open] summary::after{content:'−';transform:rotate(180deg)}.faq-item[open]{border-color:rgba(0,229,255,0.35);box-shadow:0 0 20px rgba(0,229,255,0.06)}.faq-answer{padding:0 20px 20px;color:var(--text-body);font-size:0.9rem;line-height:1.7}.faq-answer ol{padding-left:20px;margin:8px 0}.faq-answer ol li{margin-bottom:8px;padding-left:4px}.faq-answer ol li strong{color:#fff;display:block;margin-bottom:2px}.faq-cat-label{display:inline-block;background:rgba(0,229,255,0.1);color:var(--cyan);font-size:0.7rem;padding:3px 10px;border-radius:10px;margin-bottom:8px;letter-spacing:1px;text-transform:uppercase;font-weight:600}.final-cta{background:linear-gradient(135deg,#0d1a3a 0%,#0A0F1F 30%,#1a2848 60%,#0A0F1F 100%);text-align:center;padding:80px 24px;position:relative;overflow:hidden;border-top:1px solid var(--border-subtle);border-bottom:1px solid var(--border-subtle)}.final-cta::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at center,rgba(0,229,255,0.08) 0%,transparent 60%);pointer-events:none}.final-cta-inner{position:relative;z-index:1;max-width:700px;margin:0 auto}.final-cta h3{font-size:2.2rem;font-weight:800;color:#fff;margin-bottom:12px;letter-spacing:-0.5px}.final-cta p{color:var(--text-body);margin-bottom:28px;font-size:1.05rem}.final-cta .btn-primary{font-size:1.1rem;padding:16px 36px;border-radius:30px}@media (max-width:600px){.final-cta h3{font-size:1.6rem}.final-cta p{font-size:0.9rem}}.footer{background:var(--bg-darker);padding:50px 24px 30px;border-top:1px solid var(--border-subtle)}.footer-inner{max-width:var(--max-width);margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:30px}.footer-col h5{color:#fff;font-weight:700;margin-bottom:14px;font-size:0.95rem;letter-spacing:0.3px}.footer-col a{display:block;text-decoration:none;color:var(--text-muted);font-size:0.85rem;padding:4px 0;transition:var(--transition)}.footer-col a:hover{color:#fff}.footer-bottom{max-width:var(--max-width);margin:30px auto 0;padding-top:20px;border-top:1px solid var(--border-subtle);display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;font-size:0.8rem;color:var(--text-muted)}.footer-social{display:flex;gap:12px}.footer-social a{text-decoration:none;color:var(--text-muted);font-size:0.9rem;transition:var(--transition)}.footer-social a:hover{color:#fff}@media (max-width:700px){.footer-inner{grid-template-columns:repeat(2,1fr);gap:20px}.footer-bottom{flex-direction:column;text-align:center}}@media (max-width:400px){.footer-inner{grid-template-columns:1fr}}.floating-download{position:fixed;right:20px;bottom:30px;z-index:999;text-decoration:none;display:flex;align-items:center;justify-content:center;width:54px;height:54px;border-radius:50%;background:var(--blue);color:#fff;font-size:1.5rem;box-shadow:0 6px 24px rgba(30,111,255,0.5);transition:var(--transition)}.floating-download:hover{background:#3b85ff;box-shadow:0 8px 32px rgba(30,111,255,0.7);transform:scale(1.08)}@media (max-width:768px){.floating-download{right:12px;bottom:20px;width:46px;height:46px;font-size:1.2rem}}#top{position:absolute;top:0;left:0}a:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}@media print{.header,.floating-download,.hero-particles{display:none}body{background:#fff;color:#000}}

/* ============ 来自 HTML 内联样式的补充类 ============ */
.unit-sm {
  font-size: 1rem;
}

.dash-action-wrap {
  text-align: center;
  margin-top: 20px;
}

.cta-note {
  margin-top: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-legal {
  width: 100%;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 8px;
  display: block;
}

.dash-ring-green {
  border-top-color: #4ade80 !important;
}

.dash-ring-orange {
  border-top-color: #f59e0b !important;
}

/* ============ 全局内容居中增强（覆盖原始靠左定义） ============ */

.section {
  text-align: center !important;
}
.section-inner {
  max-width: var(--max-width) !important;
  margin: 0 auto !important;
  text-align: center !important;
  padding: 0 24px;
}
.section-subtitle {
  max-width: 720px !important;
  margin: 0 auto 32px !important;
  text-align: center !important;
  line-height: 1.7;
}
.section-label {
  display: block;
  text-align: center !important;
  margin: 0 auto 12px;
}
.section-title {
  text-align: center !important;
  margin: 0 auto 16px;
  max-width: 900px;
}

.hero {
  min-height: 100vh;
  padding-top: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-inner {
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto !important;
  padding: 40px 24px !important;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 60px;
  text-align: center;
}
.hero-left,
.hero-right {
  flex: 1 !important;
  min-width: 0;
  max-width: 600px;
  text-align: center !important;
}
.hero-badge {
  display: inline-block !important;
  margin: 0 auto 24px !important;
}
.hero-title {
  text-align: center !important;
  margin: 0 auto 20px !important;
  max-width: 700px;
}
.hero-desc {
  max-width: 560px !important;
  margin: 0 auto 28px !important;
  text-align: center !important;
}
.hero-features-mini {
  display: flex !important;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: center !important;
  margin: 0 auto 32px !important;
  list-style: none;
  padding: 0;
}
.hero-buttons {
  display: flex !important;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center !important;
  margin: 0 auto 20px !important;
}
.hero-note {
  text-align: center !important;
}
.hero-globe {
  max-width: 420px;
  margin: 0 auto !important;
}

.cards-grid {
  max-width: 1100px !important;
  margin: 40px auto 0 !important;
  display: grid !important;
  grid-template-columns: repeat(4, 1fr) !important;
  gap: 24px !important;
  justify-content: center !important;
}
.card {
  margin: 0 auto;
  max-width: 100%;
  text-align: left;
}

.map-container {
  max-width: 1000px !important;
  margin: 0 auto !important;
  text-align: center !important;
}
.map-visual {
  margin-left: auto !important;
  margin-right: auto !important;
}
.map-nodes-info {
  max-width: 800px !important;
  margin: 24px auto 0 !important;
  display: flex !important;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: center !important;
}

.dash-grid {
  max-width: 900px !important;
  margin: 0 auto 32px !important;
  display: grid !important;
  grid-template-columns: repeat(3, 1fr) !important;
  gap: 24px !important;
  justify-content: center !important;
}
.dash-card {
  margin: 0 auto !important;
  text-align: center !important;
}
.dash-action-wrap {
  text-align: center !important;
  margin: 0 auto;
}

.platform-tabs {
  max-width: 800px !important;
  margin: 0 auto 32px !important;
  display: flex !important;
  justify-content: center !important;
  flex-wrap: wrap;
  gap: 8px;
}
.platform-showcase {
  max-width: 500px !important;
  margin: 0 auto !important;
  text-align: center !important;
}

.steps-row {
  max-width: 1100px !important;
  margin: 40px auto 0 !important;
  display: flex !important;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: center !important;
}
.step-card {
  max-width: 320px;
  margin: 0 auto !important;
  text-align: center !important;
}
.step-arrow {
  text-align: center !important;
}

.testimonial-grid {
  max-width: 1100px !important;
  margin: 40px auto 0 !important;
  display: grid !important;
  grid-template-columns: repeat(3, 1fr) !important;
  gap: 24px !important;
  justify-content: center !important;
  text-align: left;
}
.testimonial-card {
  margin: 0 auto;
}

.pricing-grid {
  max-width: 1100px !important;
  margin: 48px auto 0 !important;
  display: grid !important;
  grid-template-columns: repeat(4, 1fr) !important;
  gap: 20px !important;
  justify-content: center !important;
}
.price-card {
  margin: 0 auto !important;
  text-align: center !important;
}
.pricing-guarantee {
  text-align: center !important;
  margin-top: 32px !important;
}

.faq-categories {
  max-width: 800px !important;
  margin: 0 auto 32px !important;
  display: flex !important;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center !important;
}
.faq-list {
  max-width: 900px !important;
  margin: 0 auto !important;
  text-align: left;
}

.final-cta {
  text-align: center !important;
  padding: 80px 24px !important;
}
.final-cta-inner {
  max-width: 800px !important;
  margin: 0 auto !important;
  text-align: center !important;
}

.footer-inner {
  max-width: var(--max-width) !important;
  margin: 0 auto !important;
  padding: 0 24px;
  display: grid !important;
  grid-template-columns: repeat(4, 1fr) !important;
  gap: 30px !important;
  text-align: center !important;
  justify-content: center !important;
}
.footer-col {
  text-align: center !important;
}
.footer-col a {
  display: block;
  margin: 0 auto;
}
.footer-bottom {
  max-width: var(--max-width) !important;
  margin: 0 auto !important;
  padding: 24px 16px 0;
  display: flex !important;
  flex-wrap: wrap;
  justify-content: center !important;
  align-items: center;
  gap: 16px;
  text-align: center !important;
}
.footer-social {
  display: flex;
  gap: 18px;
  justify-content: center;
}

@media (max-width: 1024px) {
  .hero-inner {
    flex-direction: column !important;
    gap: 40px;
  }
  .cards-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    max-width: 700px !important;
  }
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    max-width: 700px !important;
  }
  .testimonial-grid {
    grid-template-columns: 1fr !important;
    max-width: 600px !important;
  }
  .footer-inner {
    grid-template-columns: repeat(2, 1fr) !important;
    max-width: 700px !important;
  }
}

@media (max-width: 768px) {
  .dash-grid {
    grid-template-columns: 1fr !important;
    max-width: 420px !important;
  }
  .map-nodes-info {
    flex-direction: column;
    max-width: 420px !important;
  }
  .section-inner {
    padding: 0 16px;
  }
  .hero-title {
    font-size: 2rem !important;
  }
}

@media (max-width: 640px) {
  .cards-grid,
  .pricing-grid {
    grid-template-columns: 1fr !important;
    max-width: 420px !important;
  }
  .hero-inner {
    padding: 20px 16px !important;
    gap: 32px;
  }
  .footer-inner {
    grid-template-columns: 1fr !important;
    max-width: 420px !important;
  }
}

@media (max-width: 480px) {
  .section-inner {
    padding: 0 8px;
  }
  .cards-grid,
  .pricing-grid,
  .testimonial-grid,
  .dash-grid {
    gap: 16px !important;
  }
  .hero-title {
    font-size: 1.6rem !important;
  }
  .hero-desc {
    font-size: 1rem !important;
  }
}

/* ============ 页面专用 Hero 区 ============ */
.page-hero {
  padding-top: calc(var(--nav-height) + 40px);
  padding-bottom: 40px;
  text-align: center;
  background: linear-gradient(180deg, rgba(30,111,255,0.08) 0%, transparent 100%);
}

.page-hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.page-hero .section-title {
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(90deg, var(--text-white) 0%, var(--cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 20px;
}

.page-hero .section-subtitle {
  font-size: 1.1rem;
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ============ 登录/注册页面样式 ============ */
.auth-section {
  padding: 40px 0 80px;
}

.auth-card {
  max-width: 480px;
  margin: 0 auto;
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 40px 36px;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

.auth-card-header {
  text-align: center;
  margin-bottom: 32px;
}

.auth-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

.auth-card-header h2 {
  font-size: 1.75rem;
  color: var(--text-white);
  margin-bottom: 8px;
}

.auth-card-header p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.auth-card-header a {
  color: var(--blue);
  text-decoration: none;
  font-weight: 500;
}

.auth-card-header a:hover {
  color: var(--cyan);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  text-align: left;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-white);
  font-weight: 500;
  font-size: 0.9rem;
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-white);
  font-size: 1rem;
  transition: var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(30,111,255,0.15);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.input-with-suffix {
  position: relative;
}

.form-suffix-link {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--blue);
  font-size: 0.85rem;
  text-decoration: none;
  white-space: nowrap;
}

.form-suffix-link:hover {
  color: var(--cyan);
}

.btn-suffix {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(30,111,255,0.15);
  color: var(--blue);
  border: none;
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  white-space: nowrap;
  transition: var(--transition);
}

.btn-suffix:hover {
  background: rgba(30,111,255,0.25);
  color: var(--cyan);
}

.form-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  color: var(--text-body);
  font-size: 0.9rem;
}

.checkbox-label input[type="checkbox"] {
  display: none;
}

.checkbox-custom {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-subtle);
  border-radius: 4px;
  position: relative;
  transition: var(--transition);
  flex-shrink: 0;
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
  background: var(--blue);
  border-color: var(--blue);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.form-actions {
  margin-top: 12px;
}

.btn-primary.btn-block,
.btn-outline.btn-block {
  width: 100%;
  display: block;
  padding: 14px 24px;
  text-align: center;
  font-size: 1rem;
  font-weight: 600;
}

.form-divider {
  display: flex;
  align-items: center;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin: 8px 0;
}

.form-divider::before,
.form-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--border-subtle);
}

.form-divider span {
  padding: 0 16px;
}

.social-login {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.social-btn {
  padding: 12px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-white);
  cursor: pointer;
  transition: var(--transition);
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.social-btn:hover {
  background: rgba(30,111,255,0.1);
  border-color: var(--blue);
  transform: translateY(-2px);
}

.auth-note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 20px;
}

/* ============ 下载页面样式 ============ */
.download-card {
  text-align: center;
  padding: 36px 28px;
}

.download-card .card-icon {
  font-size: 3.5rem;
  margin-bottom: 20px;
}

.download-card h4 {
  font-size: 1.4rem;
  color: var(--text-white);
  margin-bottom: 12px;
}

.download-card p {
  font-size: 0.95rem;
  color: var(--text-body);
  margin-bottom: 16px;
  line-height: 1.6;
}

.download-card-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
  background: rgba(0,0,0,0.3);
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.download-card-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ============ 套餐价格页面样式 ============ */
.pricing-card {
  text-align: center;
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
}

.pricing-card.featured-plan {
  background: linear-gradient(145deg, rgba(30,111,255,0.15) 0%, var(--bg-card) 100%);
  border: 2px solid var(--blue);
  transform: scale(1.05);
}

.pricing-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  color: var(--text-white);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.pricing-badge-free {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(107,123,141,0.2);
  color: var(--text-muted);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.pricing-card h3 {
  font-size: 1.5rem;
  color: var(--text-white);
  margin-bottom: 16px;
}

.price-row {
  margin-bottom: 20px;
}

.price {
  font-size: 3rem;
  font-weight: 700;
  color: var(--text-white);
}

.price-period {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.plan-desc {
  color: var(--text-body);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.feature-list {
  list-style: none;
  text-align: left;
  margin-bottom: 28px;
}

.feature-list li {
  padding: 8px 0;
  color: var(--text-body);
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border-subtle);
}

.feature-list li:last-child {
  border-bottom: none;
}

.feature-list li.muted-feature {
  color: var(--text-muted);
  opacity: 0.6;
}

.billing-toggle {
  display: inline-flex;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  padding: 6px;
  margin-top: 24px;
  border: 1px solid var(--border-subtle);
}

.billing-option {
  padding: 10px 20px;
  cursor: pointer;
  color: var(--text-body);
  font-size: 0.9rem;
  border-radius: 8px;
  transition: var(--transition);
}

.billing-option.active {
  background: var(--blue);
  color: var(--text-white);
}

/* ============ FAQ 页面样式 ============ */
.faq-categories {
  padding: 40px 0;
}

.faq-category-card {
  text-align: center;
  padding: 32px 24px;
  cursor: pointer;
  transition: var(--transition);
}

.faq-category-card:hover {
  transform: translateY(-4px);
  border-color: var(--blue);
  box-shadow: 0 10px 30px rgba(30,111,255,0.15);
}

.faq-category-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.faq-category-card h4 {
  color: var(--text-white);
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.faq-category-card p {
  font-size: 0.9rem;
  color: var(--text-body);
  margin-bottom: 16px;
  line-height: 1.6;
}

.faq-count {
  display: inline-block;
  background: rgba(30,111,255,0.15);
  color: var(--blue);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
}

.faq-detail {
  padding: 40px 0;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  text-align: left;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(30,111,255,0.3);
}

.faq-item summary {
  padding: 20px 24px;
  cursor: pointer;
  color: var(--text-white);
  font-weight: 500;
  font-size: 1rem;
  position: relative;
  list-style: none;
  padding-right: 50px;
  line-height: 1.5;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  color: var(--blue);
  transition: var(--transition);
  font-weight: 300;
}

.faq-item[open] summary::after {
  content: '-';
}

.faq-answer {
  padding: 0 24px 24px;
  color: var(--text-body);
  font-size: 0.95rem;
  line-height: 1.8;
  border-top: 1px solid var(--border-subtle);
  padding-top: 20px;
}

.faq-answer p {
  margin-bottom: 12px;
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

/* ============ 移动端适配补充 ============ */
@media (max-width: 768px) {
  .page-hero .section-title {
    font-size: 1.75rem;
  }
  .auth-card {
    padding: 28px 20px;
  }
  .pricing-card.featured-plan {
    transform: none;
  }
  .faq-item summary {
    padding: 16px 20px;
    padding-right: 40px;
    font-size: 0.95rem;
  }
  .faq-answer {
    padding: 0 20px 20px;
    padding-top: 16px;
  }
}

@media (max-width: 640px) {
  .social-login {
    grid-template-columns: 1fr;
  }
  .page-hero .section-title {
    font-size: 1.5rem;
  }
  .price {
    font-size: 2.5rem;
  }
}