/* ===== promo_lsp.css — 星瀚元图书馆集群管理系统宣传页 (增强版) ===== */
@keyframes fadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:none}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes fadeLeft{from{opacity:0;transform:translateX(-30px)}to{opacity:1;transform:none}}
@keyframes fadeRight{from{opacity:0;transform:translateX(30px)}to{opacity:1;transform:none}}
@keyframes scaleUp{from{opacity:0;transform:scale(.9)}to{opacity:1;transform:none}}
@keyframes forceShow{to{opacity:1;transform:none}}
@keyframes auroraMove{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(60px,-40px) scale(1.15)}66%{transform:translate(-50px,30px) scale(.9)}}
@keyframes gridScroll{from{background-position:0 0}to{background-position:0 40px}}
@keyframes titleGlow{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@keyframes orbFloat{0%,100%{transform:translate(0,0)}50%{transform:translate(18px,-24px)}}
@keyframes shine{from{left:-75%}to{left:125%}}
@keyframes pulseRing{0%{box-shadow:0 0 0 0 rgba(33,179,255,.45)}70%{box-shadow:0 0 0 14px rgba(33,179,255,0)}100%{box-shadow:0 0 0 0 rgba(33,179,255,0)}}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}
@keyframes barGrow{from{width:0}to{width:46px}}

/* --- 滚动进入动画 --- */
[data-anim]{opacity:0;transition:opacity .7s cubic-bezier(.22,.61,.36,1),transform .7s cubic-bezier(.22,.61,.36,1)}
[data-anim="fade-up"]{transform:translateY(36px)}
[data-anim="fade-left"]{transform:translateX(-40px)}
[data-anim="fade-right"]{transform:translateX(40px)}
[data-anim="scale-up"]{transform:scale(.88)}
.anim-in{opacity:1!important;transform:none!important}
body[data-loaded] [data-anim]{animation:forceShow 0s 2.5s forwards}

/* --- 顶部滚动进度条 --- */
.pprogress{position:fixed;top:0;left:0;height:3px;width:0;z-index:9999;background:linear-gradient(90deg,#0f5cbd,#21b3ff,#7fd0ff);box-shadow:0 0 8px rgba(33,179,255,.6);transition:width .1s linear}

/* --- 返回顶部 --- */
.pbacktop{position:fixed;right:26px;bottom:34px;width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,#0f5cbd,#21b3ff);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(16px);transition:all .3s;z-index:999;box-shadow:0 6px 18px rgba(15,92,189,.35);border:none}
.pbacktop.show{opacity:1;visibility:visible;transform:none}
.pbacktop:hover{transform:translateY(-4px);box-shadow:0 10px 26px rgba(15,92,189,.45)}

/* ===== Hero ===== */
.phero{position:relative;overflow:hidden;background:linear-gradient(140deg,#081527 0%,#0c2a5c 45%,#0f5cbd 100%);padding:110px 0 80px;color:#fff;text-align:center}
.phero-grid{position:absolute;inset:0;z-index:0;opacity:.35;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:40px 40px;animation:gridScroll 3s linear infinite;mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,#000 40%,transparent 100%);-webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,#000 40%,transparent 100%)}
.phero-orb{position:absolute;border-radius:50%;filter:blur(60px);z-index:0;animation:orbFloat 9s ease-in-out infinite;pointer-events:none}
.phero-orb.o1{width:340px;height:340px;left:-100px;top:10%;background:rgba(33,179,255,.30)}
.phero-orb.o2{width:300px;height:300px;right:-80px;top:35%;background:rgba(127,208,255,.22);animation-delay:2.5s}
.phero-orb.o3{width:240px;height:240px;left:38%;bottom:-90px;background:rgba(15,92,189,.35);animation-delay:4.5s}
.phero-particles{position:absolute;inset:0;z-index:1}
.phero-inner{position:relative;z-index:2}
.phero-badge{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:3px;padding:7px 20px;border:1px solid rgba(127,208,255,.4);border-radius:20px;color:#7fd0ff;background:rgba(33,179,255,.08);margin-bottom:26px;animation:fadeIn .6s ease both;backdrop-filter:blur(4px)}
.phero-badge i{width:7px;height:7px;border-radius:50%;background:#21b3ff;animation:pulseRing 2s infinite}
.phero-title{font-size:clamp(30px,5.2vw,54px);font-weight:800;letter-spacing:5px;margin-bottom:18px;background:linear-gradient(90deg,#ffffff,#7fd0ff,#ffffff);background-size:200% auto;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:fadeUp .7s ease .1s both,titleGlow 5s linear infinite}
.phero-sub{font-size:clamp(16px,2.6vw,23px);color:#dbeeff;margin-bottom:12px;animation:fadeUp .7s ease .2s both;letter-spacing:1px}
.phero-sub .cursor{display:inline-block;width:2px;height:1em;background:#7fd0ff;margin-left:3px;vertical-align:-2px;animation:blink .9s step-end infinite}
.phero-desc{font-size:14px;color:#8ab4e8;margin-bottom:38px;animation:fadeUp .7s ease .3s both}
.phero-desc b{color:#7fd0ff;font-weight:600}
.phero-btns{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-bottom:52px;animation:fadeUp .7s ease .4s both}
.phero-btn{position:relative;display:inline-flex;align-items:center;padding:13px 34px;border-radius:10px;font-size:15px;font-weight:600;text-decoration:none;transition:all .3s;overflow:hidden}
.phero-btn.primary{background:linear-gradient(135deg,#21b3ff,#0f5cbd);color:#fff;box-shadow:0 6px 22px rgba(33,179,255,.4)}
.phero-btn.primary:hover{transform:translateY(-3px);box-shadow:0 12px 32px rgba(33,179,255,.55)}
.phero-btn.primary::after{content:"";position:absolute;top:0;left:-75%;width:50%;height:100%;background:linear-gradient(105deg,transparent,rgba(255,255,255,.45),transparent);transform:skewX(-20deg);animation:shine 3.2s ease-in-out infinite}
.phero-btn.ghost{border:1px solid rgba(255,255,255,.4);color:#fff}
.phero-btn.ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-3px)}
.phero-btn.large{padding:15px 42px;font-size:16px;border-radius:12px}
.phero-stats{display:flex;justify-content:center;gap:64px;flex-wrap:wrap;animation:fadeUp .7s ease .5s both}
.phero-stat{text-align:center;position:relative;padding:0 8px}
.phero-stat+.phero-stat::before{content:"";position:absolute;left:-32px;top:50%;transform:translateY(-50%);width:1px;height:36px;background:linear-gradient(180deg,transparent,rgba(127,208,255,.4),transparent)}
.phero-num{font-size:clamp(30px,4.2vw,44px);font-weight:800;color:#21b3ff;font-family:"Segoe UI",Arial,sans-serif}
.phero-unit{font-size:14px;color:#7fd0ff;margin-left:3px}
.phero-label{display:block;font-size:12px;color:#8ab4e8;margin-top:6px;letter-spacing:2px}

/* --- 跑马灯 --- */
.pmarquee{overflow:hidden;background:#0b2a51;padding:14px 0;position:relative}
.pmarquee::before,.pmarquee::after{content:"";position:absolute;top:0;bottom:0;width:80px;z-index:2;pointer-events:none}
.pmarquee::before{left:0;background:linear-gradient(90deg,#0b2a51,transparent)}
.pmarquee::after{right:0;background:linear-gradient(-90deg,#0b2a51,transparent)}
.pmarquee-track{display:inline-flex;white-space:nowrap;animation:marquee 30s linear infinite}
.pmarquee:hover .pmarquee-track{animation-play-state:paused}
.pmarquee-item{display:inline-flex;align-items:center;gap:8px;margin:0 26px;font-size:13px;color:#9cc3ee;letter-spacing:1px}
.pmarquee-item svg{width:15px;height:15px;color:#21b3ff}

/* ===== 通用段落 ===== */
.psec{padding:84px 0;position:relative}
.psec-head{text-align:center;margin-bottom:54px}
.psec-tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:#0f5cbd;background:#e8f4ff;border:1px solid #cde4fb;padding:5px 16px;border-radius:16px;letter-spacing:2px;margin-bottom:14px}
.psec-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:#21b3ff}
.psec-head h2{font-size:clamp(24px,3.6vw,34px);color:#0b2a51;margin-bottom:12px;letter-spacing:2px}
.psec-head h2 em{font-style:normal;background:linear-gradient(90deg,#0f5cbd,#21b3ff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.psec-line{display:block;width:0;height:3px;border-radius:2px;background:linear-gradient(90deg,#0f5cbd,#21b3ff);margin:0 auto 12px;transition:width .8s cubic-bezier(.22,.61,.36,1) .2s}
.anim-in .psec-line,.psec-line{width:46px}
.psec-sub{font-size:14px;color:#7b8d9e}

/* ===== 核心优势 ===== */
.psec-advantages{background:linear-gradient(180deg,#f6faff,#fff)}
.adv-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:26px}
.adv-card{position:relative;background:#fff;border:1px solid #e8f0fa;border-radius:16px;padding:36px 26px 30px;text-align:center;transition:transform .35s,box-shadow .35s,border-color .35s;overflow:hidden}
.adv-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#0f5cbd,#21b3ff);transform:scaleX(0);transition:transform .4s;transform-origin:left}
.adv-card::after{content:"";position:absolute;top:0;left:-75%;width:50%;height:100%;background:linear-gradient(105deg,transparent,rgba(33,179,255,.08),transparent);transform:skewX(-20deg);transition:left .6s}
.adv-card:hover{transform:translateY(-8px);box-shadow:0 16px 40px rgba(15,92,189,.14);border-color:#d5e8fb}
.adv-card:hover::before{transform:scaleX(1)}
.adv-card:hover::after{left:125%}
.adv-icon{width:66px;height:66px;margin:0 auto 20px;background:linear-gradient(135deg,#e8f4ff,#d0ebff);border-radius:18px;display:flex;align-items:center;justify-content:center;color:#0f5cbd;transition:all .35s}
.adv-card:hover .adv-icon{background:linear-gradient(135deg,#0f5cbd,#21b3ff);color:#fff;transform:rotateY(180deg);box-shadow:0 8px 20px rgba(15,92,189,.3)}
.adv-icon svg{width:32px;height:32px;transition:transform .35s}
.adv-card h3{font-size:18px;color:#0b2a51;margin-bottom:10px;letter-spacing:1px}
.adv-card p{font-size:14px;color:#6b7f8e;line-height:1.75}

/* ===== 功能模块 ===== */
.psec-features{background:#fff}
.feat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px}
.feat-item{position:relative;display:flex;gap:22px;align-items:flex-start;background:#f8fbff;border:1px solid #e8f0fa;border-radius:14px;padding:30px 26px;transition:all .35s;overflow:hidden}
.feat-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,#0f5cbd,#21b3ff);transform:scaleY(0);transition:transform .35s;transform-origin:top}
.feat-item:hover{transform:translateY(-5px);box-shadow:0 12px 30px rgba(15,92,189,.1);background:#fff}
.feat-item:hover::before{transform:scaleY(1)}
.feat-num{flex-shrink:0;font-size:34px;font-weight:800;background:linear-gradient(180deg,#bcd9f7,#dcebf9);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1;transition:all .35s}
.feat-item:hover .feat-num{background:linear-gradient(180deg,#0f5cbd,#21b3ff);-webkit-background-clip:text;background-clip:text}
.feat-item h3{font-size:17px;color:#0b2a51;margin-bottom:8px}
.feat-item p{font-size:13px;color:#6b7f8e;line-height:1.75}

/* ===== 技术架构 ===== */
.psec-arch{background:linear-gradient(180deg,#f6faff,#fff)}
.arch-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px}
.arch-card{background:#fff;border:1px solid #e8f0fa;border-radius:16px;padding:36px 22px;text-align:center;transition:all .35s}
.arch-card:hover{transform:translateY(-6px) scale(1.02);box-shadow:0 14px 34px rgba(15,92,189,.12)}
.arch-icon-wrap{width:76px;height:76px;margin:0 auto 18px;background:linear-gradient(135deg,#0f5cbd,#21b3ff);border-radius:20px;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 8px 20px rgba(15,92,189,.28);transition:all .4s;animation:floatY 4s ease-in-out infinite}
.arch-card:nth-child(2) .arch-icon-wrap{animation-delay:.6s}
.arch-card:nth-child(3) .arch-icon-wrap{animation-delay:1.2s}
.arch-card:nth-child(4) .arch-icon-wrap{animation-delay:1.8s}
.arch-card:hover .arch-icon-wrap{transform:scale(1.1);box-shadow:0 12px 28px rgba(33,179,255,.4)}
.arch-icon-wrap svg{width:38px;height:38px}
.arch-card h4{font-size:17px;color:#0b2a51;margin-bottom:10px}
.arch-card p{font-size:13px;color:#6b7f8e;line-height:1.65}

/* ===== 版本报价 ===== */
.psec-pricing{background:linear-gradient(135deg,#f0f7ff 0%,#e2effd 50%,#f6faff 100%)}
.price-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:22px;align-items:stretch}
.price-card{position:relative;background:#fff;border:1px solid #e0ecf8;border-radius:18px;overflow:hidden;transition:all .4s;display:flex;flex-direction:column}
.price-card:hover{transform:translateY(-10px);box-shadow:0 18px 44px rgba(15,92,189,.16);border-color:#bcd9f7}
.price-card.hot{border:2px solid #0f5cbd;box-shadow:0 10px 32px rgba(15,92,189,.16)}
.price-card.flagship{border:2px solid #e8b73a;background:linear-gradient(180deg,#fffdf3,#fff)}
.price-hot-tag{position:absolute;top:16px;right:-30px;background:linear-gradient(135deg,#0f5cbd,#21b3ff);color:#fff;font-size:11px;padding:4px 34px;transform:rotate(45deg);letter-spacing:2px;z-index:2}
.price-flagship-tag{position:absolute;top:16px;right:-30px;background:linear-gradient(135deg,#e8b73a,#f5d060);color:#5c4300;font-size:11px;padding:4px 34px;transform:rotate(45deg);letter-spacing:2px;z-index:2}
.price-head{padding:30px 20px 22px;text-align:center;border-bottom:1px dashed #e8f0fa}
.price-tier{display:inline-block;font-size:15px;color:#0b2a51;font-weight:700;letter-spacing:2px}
.price-val{margin:12px 0 6px;font-size:14px;color:#0f5cbd;font-weight:600}
.price-val span{font-size:38px;font-weight:800;letter-spacing:-1px}
.price-unit{font-size:12px;color:#9fb0c5;letter-spacing:1px}
.price-list{list-style:none;padding:22px;font-size:13px;line-height:2.3;flex:1}
.price-list li{position:relative;padding-left:24px;transition:transform .25s}
.price-list li:hover{transform:translateX(4px)}
.price-list li.on::before{content:"";position:absolute;left:0;top:12px;width:15px;height:15px;border-radius:50%;background:linear-gradient(135deg,#21b3ff,#0f5cbd)}
.price-list li.on::after{content:"";position:absolute;left:4.5px;top:15px;width:6px;height:3px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg)}
.price-list li.off{color:#c0cad5}
.price-list li.off::before{content:"";position:absolute;left:0;top:12px;width:15px;height:15px;border-radius:50%;background:#e8ecf2}
.price-list li.off::after{content:"";position:absolute;left:3px;top:18px;width:9px;height:2px;background:#fff;border-radius:1px}
.price-target{text-align:center;font-size:12px;color:#7b8d9e;padding:0 20px 14px}
.price-target strong{color:#0f5cbd}
.price-btn{display:block;margin:0 20px 22px;padding:11px;text-align:center;border:1px solid #d0e0f5;border-radius:9px;font-size:13px;color:#0f5cbd;text-decoration:none;transition:all .3s;font-weight:600}
.price-btn:hover{background:#0f5cbd;color:#fff;border-color:#0f5cbd;box-shadow:0 6px 16px rgba(15,92,189,.3)}
.price-btn.primary{background:linear-gradient(135deg,#0f5cbd,#21b3ff);color:#fff;border:none;box-shadow:0 5px 16px rgba(15,92,189,.28)}
.price-btn.primary:hover{box-shadow:0 8px 24px rgba(15,92,189,.4);transform:translateY(-2px)}
.price-note{text-align:center;font-size:12px;color:#9fb0c5;margin-top:28px;letter-spacing:.5px}

/* ===== 运行环境 ===== */
.psec-env{background:#fff}
.env-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px;margin-bottom:30px}
.env-card{background:#f8fbff;border:1px solid #e8f0fa;border-radius:12px;padding:22px 16px;text-align:center;transition:all .3s}
.env-card:hover{background:linear-gradient(135deg,#0f5cbd,#21b3ff);border-color:transparent;transform:translateY(-4px)}
.env-card h4{font-size:12px;color:#9fb0c5;margin-bottom:6px;transition:color .3s}
.env-card:hover h4{color:rgba(255,255,255,.75)}
.env-card p{font-size:16px;color:#0b2a51;font-weight:700;transition:color .3s}
.env-card:hover p{color:#fff}
.env-os{background:linear-gradient(135deg,#f0f7ff,#e8f4ff);border:1px solid #dce9f8;border-radius:16px;padding:28px 30px;text-align:center}
.env-os h4{font-size:14px;color:#0b2a51;margin-bottom:16px;letter-spacing:2px}
.env-os-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.env-os-tags span{font-size:12px;color:#0f5cbd;background:#fff;border:1px solid #dce9f8;padding:6px 16px;border-radius:18px;transition:all .25s;cursor:default}
.env-os-tags span:hover{background:#0f5cbd;color:#fff;border-color:#0f5cbd;transform:translateY(-3px);box-shadow:0 6px 14px rgba(15,92,189,.25)}

/* ===== CTA ===== */
.psec-cta{position:relative;background:linear-gradient(135deg,#0d2b5e,#0f5cbd);color:#fff;text-align:center;padding:70px 0;overflow:hidden}
.psec-cta::before{content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(33,179,255,.28),transparent 65%);animation:orbFloat 8s ease-in-out infinite}
.psec-cta::after{content:"";position:absolute;left:-100px;bottom:-140px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(127,208,255,.18),transparent 65%);animation:orbFloat 10s ease-in-out infinite reverse}
.psec-cta .container{position:relative;z-index:1}
.psec-cta h2{font-size:clamp(22px,3.2vw,32px);margin-bottom:12px;letter-spacing:2px}
.psec-cta p{color:#8ab4e8;margin-bottom:30px}
.cta-btns{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}

/* ===== 演示体验 ===== */
.psec-demo{background:linear-gradient(180deg,#f6faff,#fff)}
.psec-demo::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(15,92,189,.10) 1px,transparent 1px);background-size:22px 22px;mask-image:linear-gradient(180deg,transparent,#000 30%,#000 70%,transparent);-webkit-mask-image:linear-gradient(180deg,transparent,#000 30%,#000 70%,transparent);pointer-events:none}
.demo-grid{position:relative;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:26px}
.demo-card{position:relative;display:block;background:#fff;border:1px solid #e8f0fa;border-radius:18px;padding:38px 26px 30px;text-align:center;text-decoration:none;overflow:hidden;transition:transform .35s,box-shadow .35s,border-color .35s}
.demo-card::after{content:"";position:absolute;top:0;left:-75%;width:50%;height:100%;background:linear-gradient(105deg,transparent,rgba(33,179,255,.10),transparent);transform:skewX(-20deg);transition:left .6s}
.demo-card:hover{transform:translateY(-10px);box-shadow:0 18px 44px rgba(15,92,189,.15);border-color:#bcd9f7}
.demo-card:hover::after{left:125%}
.demo-badge{position:absolute;top:14px;right:14px;display:inline-flex;align-items:center;gap:5px;font-size:11px;color:#12a45b;background:#e9f9f0;border:1px solid #c4ecd4;padding:3px 10px;border-radius:12px}
.demo-badge i{width:6px;height:6px;border-radius:50%;background:#12a45b;animation:pulseRing 1.8s infinite}
.demo-icon{width:74px;height:74px;margin:0 auto 20px;background:linear-gradient(135deg,#e8f4ff,#d0ebff);border-radius:20px;display:flex;align-items:center;justify-content:center;color:#0f5cbd;transition:all .4s;animation:floatY 4s ease-in-out infinite}
.demo-card:nth-child(2) .demo-icon{animation-delay:.7s}
.demo-card:nth-child(3) .demo-icon{animation-delay:1.4s}
.demo-card:hover .demo-icon{background:linear-gradient(135deg,#0f5cbd,#21b3ff);color:#fff;transform:scale(1.08);box-shadow:0 10px 24px rgba(33,179,255,.4);animation-play-state:paused}
.demo-icon svg{width:38px;height:38px}
.demo-card h3{font-size:18px;color:#0b2a51;margin-bottom:10px;letter-spacing:1px}
.demo-card p{font-size:13px;color:#6b7f8e;line-height:1.7;min-height:44px}
.demo-url{display:inline-block;margin:14px 0 16px;font-family:Consolas,Menlo,monospace;font-size:12px;color:#0f5cbd;background:#f0f7ff;border:1px solid #dce9f8;padding:5px 14px;border-radius:14px}
.demo-go{display:block;font-size:14px;font-weight:600;color:#0f5cbd;transition:color .3s}
.demo-go em{font-style:normal;display:inline-block;transition:transform .3s}
.demo-card:hover .demo-go{color:#21b3ff}
.demo-card:hover .demo-go em{transform:translateX(5px)}
.demo-apply{position:relative;margin-top:30px;background:linear-gradient(135deg,#f0f7ff,#e8f4ff);border:1px dashed #bcd9f7;border-radius:18px;padding:28px 34px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;transition:border-color .3s,box-shadow .3s}
.demo-apply:hover{border-color:#21b3ff;box-shadow:0 8px 26px rgba(33,179,255,.12)}
.demo-apply-text h4{font-size:18px;color:#0b2a51;margin-bottom:6px;letter-spacing:1px}
.demo-apply-text p{font-size:13px;color:#6b7f8e}
.demo-apply .phero-btn{flex-shrink:0}
.demo-apply .phero-btn em{font-style:normal;margin-left:4px;display:inline-block;transition:transform .3s}
.demo-apply .phero-btn:hover em{transform:translateX(4px)}

/* ===== 版本对比表 ===== */
.ptable-wrap{position:relative;overflow-x:auto;background:#fff;border:1px solid #e0ecf8;border-radius:18px;box-shadow:0 10px 34px rgba(15,92,189,.08);transition:box-shadow .35s}
.ptable-wrap:hover{box-shadow:0 14px 44px rgba(15,92,189,.13)}
.ptable{width:100%;min-width:780px;border-collapse:collapse;font-size:13px}
.ptable thead th{position:relative;padding:20px 14px;background:linear-gradient(135deg,#0f5cbd,#21b3ff);color:#fff;font-size:14px;font-weight:700;letter-spacing:2px;text-align:center}
.ptable thead th:first-child{text-align:left;padding-left:24px;letter-spacing:1px}
.ptable thead th.hot{background:linear-gradient(135deg,#0b4a99,#0f8fe0)}
.ptable thead th.flagship{background:linear-gradient(135deg,#e8b73a,#f5d060);color:#5c4300}
.pt-badge{position:absolute;top:7px;right:8px;font-size:10px;font-weight:600;letter-spacing:1px;padding:2px 9px;border-radius:10px;background:rgba(255,255,255,.28);color:#fff;animation:pulseRing 2.4s infinite}
.pt-badge.gold{background:rgba(92,67,0,.18);color:#5c4300;animation:none}
.ptable tbody td{padding:14px 12px;text-align:center;color:#4a5b6c;border-bottom:1px solid #eef4fb;transition:background .25s}
.ptable tbody td:first-child{text-align:left;padding-left:24px;font-weight:600;color:#0b2a51;background:#f8fbff;white-space:nowrap;border-right:1px dashed #e8f0fa}
.ptable tbody tr:nth-child(even) td{background:#fbfdff}
.ptable tbody tr:nth-child(even) td:first-child{background:#f6faff}
.ptable tbody tr{transition:transform .25s}
.ptable tbody tr:hover td{background:#f0f8ff}
.ptable tbody tr:hover td:first-child{background:#e9f4ff}
.ptable td.merge{background:linear-gradient(90deg,#f0f8ff,#fbfdff)!important;color:#0f5cbd;font-weight:600;letter-spacing:.5px}
.ptable span.yes{display:inline-block;font-size:12px;color:#0e9d57;background:#e9f9f0;border:1px solid #c4ecd4;padding:2px 12px;border-radius:12px}
.ptable span.no{display:inline-block;font-size:12px;color:#9aa7b5;background:#f2f5f8;border:1px solid #e3e9ef;padding:2px 12px;border-radius:12px}
.ptable tr.pt-price td{padding:18px 12px;background:linear-gradient(90deg,#f2f9ff,#e8f4ff);border-bottom:none}
.ptable tr.pt-price td:first-child{font-size:15px;color:#0b2a51}
.ptable tr.pt-price b{font-size:19px;letter-spacing:-.5px;background:linear-gradient(90deg,#0f5cbd,#21b3ff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.ptable tr.pt-price td.hot b{background:linear-gradient(90deg,#0b4a99,#0f8fe0);-webkit-background-clip:text;background-clip:text}
.ptable tr.pt-price td.flagship b{background:linear-gradient(90deg,#c99417,#e8b73a);-webkit-background-clip:text;background-clip:text}
.ptable tr.pt-price td.flagship{background:linear-gradient(90deg,#fffaf0,#fff3d6)!important}
/* 行级联入场 */
.ptable tbody tr{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.ptable-wrap.anim-in tbody tr{opacity:1;transform:none}
.ptable-wrap.anim-in tbody tr:nth-child(1){transition-delay:.05s}
.ptable-wrap.anim-in tbody tr:nth-child(2){transition-delay:.1s}
.ptable-wrap.anim-in tbody tr:nth-child(3){transition-delay:.15s}
.ptable-wrap.anim-in tbody tr:nth-child(4){transition-delay:.2s}
.ptable-wrap.anim-in tbody tr:nth-child(5){transition-delay:.25s}
.ptable-wrap.anim-in tbody tr:nth-child(6){transition-delay:.3s}
.ptable-wrap.anim-in tbody tr:nth-child(7){transition-delay:.35s}
.ptable-wrap.anim-in tbody tr:nth-child(8){transition-delay:.4s}
.ptable-wrap.anim-in tbody tr:nth-child(9){transition-delay:.45s}
.ptable-wrap.anim-in tbody tr:nth-child(10){transition-delay:.5s}
.ptable-wrap.anim-in tbody tr:nth-child(11){transition-delay:.55s}
.ptable-wrap.anim-in tbody tr:nth-child(12){transition-delay:.6s}
.ptable-wrap.anim-in tbody tr:nth-child(13){transition-delay:.65s}

/* ===== Responsive ===== */
@media(max-width:768px){
  .phero{padding:70px 0 54px}
  .phero-stats{gap:20px}
  .phero-stat+.phero-stat::before{display:none}
  .psec{padding:54px 0}
  .adv-grid,.feat-grid,.arch-grid,.demo-grid{grid-template-columns:1fr}
  .price-grid{grid-template-columns:1fr}
  .price-card{max-width:390px;margin:0 auto}
  .feat-item{flex-direction:column;gap:14px}
  .env-grid{grid-template-columns:repeat(3,1fr)}
  .pbacktop{right:16px;bottom:24px}
  .demo-apply{flex-direction:column;text-align:center}
  .demo-card p{min-height:0}
  .ptable-wrap::after{content:"左右滑动查看完整表格 →";position:sticky;bottom:0;left:0;display:block;text-align:center;font-size:11px;color:#9fb0c5;background:linear-gradient(180deg,rgba(255,255,255,0),#fff 40%);padding:8px 0 6px;pointer-events:none}
}
@media(max-width:480px){
  .phero-title{letter-spacing:2px}
  .phero-stats{flex-direction:column;gap:18px}
  .env-grid{grid-template-columns:repeat(2,1fr)}
  .pmarquee-item{margin:0 16px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}