/* ===== 页面级补充样式（价格 / 下载 / 帮助） ===== */
/* 无 index.js 时，补齐由 index.js 负责的可见性（导航链接/页脚版权/悬浮客服） */
.navbar-nav{visibility:visible}
.company{visibility:visible}
.contact-float{visibility:visible}

/* 通用内页头部横幅 */
.page-hero{background:#4285f4;text-align:center;padding:72px 0 60px}
.page-hero h1{font-size:38px;font-weight:500;color:#fff;letter-spacing:1px}
.page-hero p{font-size:16px;color:rgba(255,255,255,.92);margin-top:14px;line-height:1.7}

/* 通用章节 */
.page-section{padding:0 0 90px}
.page-section.alt{background:#f8f8f8}
.page-section .section-head{text-align:center;padding:70px 0 40px}
.page-section .section-head h2{font-size:30px;font-weight:500;color:#333}
.page-section .section-head p{font-size:15px;color:#999;margin-top:10px}

/* 通用按钮 */
.page-btn{display:inline-block;background:#4285f4;color:#fff;font-size:16px;height:42px;line-height:42px;padding:0 34px;border-radius:3px;text-align:center;border:0;transition:all .15s;cursor:pointer;text-decoration:none}
.page-btn:hover{opacity:.85;color:#fff}
.page-btn.ghost{background:#fff;color:#4285f4;border:1px solid #4285f4}
.page-btn.block{width:100%;padding:0}
.page-btn.block.ghost{width:calc(100% - 2px)}

/* ===== 价格页 ===== */
.pricing-grid{display:flex;justify-content:center;align-items:flex-start;flex-wrap:wrap;gap:36px}
.price-card{background:#fff;border-radius:14px;box-shadow:0 12px 40px rgba(20,50,120,.08);width:360px;overflow:hidden;display:flex;flex-direction:column;position:relative;transition:transform .2s,box-shadow .2s}
.price-card:hover{transform:translateY(-6px);box-shadow:0 18px 48px rgba(20,50,120,.14)}
.price-card.featured{box-shadow:0 16px 48px rgba(66,133,244,.22)}
.price-card.featured:hover{box-shadow:0 24px 56px rgba(66,133,244,.3)}
.price-card__head{padding:22px 24px;color:#fff;font-size:22px;font-weight:700;letter-spacing:1px;text-align:center}
.price-card--std .price-card__head{background:linear-gradient(135deg,#1fcca1,#13c0a3)}
.price-card--ent .price-card__head{background:linear-gradient(135deg,#3c7bf1,#4f8aff)}
.price-card__body{padding:30px 32px 32px;display:flex;flex-direction:column;flex:1}
.price-amount-row{display:flex;align-items:baseline;justify-content:center;gap:2px;color:#333}
.price-amount-row+.price-amount-row{margin-top:8px}
.price-amount-row--sub{opacity:.7}
.price-cur{font-size:22px;font-weight:600}
.price-num{font-size:52px;font-weight:700;line-height:1;color:#222;font-family:'Outfit','PingFang SC',sans-serif}
.price-amount-row--sub .price-cur{font-size:16px}
.price-amount-row--sub .price-num{font-size:28px}
.price-unit{font-size:15px;color:#666;margin-left:4px}
.price-tag{display:inline-block;align-self:center;margin:16px 0 6px;padding:4px 14px;border-radius:4px;font-size:13px;font-weight:500}
.price-tag--std{background:#fff2f2;color:#e85555}
.price-tag--ent{background:#fff0f2;color:#e85555}
.price-cta{margin:10px 0 22px;text-align:center}
.price-btn{display:inline-block;padding:10px 40px;border-radius:999px;font-size:15px;font-weight:500;color:#fff;text-decoration:none;transition:opacity .15s,transform .15s}
.price-btn:hover{opacity:.9;transform:translateY(-1px)}
.price-btn--std{background:#13c0a3}
.price-btn--ent{background:#3c7bf1}
.price-divider{height:1px;background:#eef0f4;margin:4px 0 20px}
.price-features{list-style:none;margin:0;padding:0;flex:1}
.price-features li{font-size:15px;color:#556;line-height:2;padding-left:20px;position:relative}
.price-features li:before{content:"";position:absolute;left:4px;top:14px;width:7px;height:7px;border-radius:50%;background:#3c7bf1}
.price-card--std .price-features li:before{background:#13c0a3}
.price-badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:#4285f4;color:#fff;font-size:13px;padding:4px 18px;border-radius:12px;letter-spacing:1px;z-index:2;display:none}
.price-card.featured .price-badge{display:block}
.price-note{text-align:center;color:#999;font-size:13px;margin-top:28px}
.price-trial{display:flex;align-items:center;gap:18px;max-width:720px;margin:44px auto 0;padding:22px 26px;background:linear-gradient(90deg,#eef3ff,#f8faff);border:1px solid rgba(66,133,244,.25);border-radius:8px}
.price-trial-icon{flex:0 0 auto;width:46px;height:46px;border-radius:50%;background:#4285f4;color:#fff;display:flex;align-items:center;justify-content:center}
.price-trial-icon svg{width:24px;height:24px}
.price-trial-body{flex:1;min-width:0}
.price-trial-body h3{font-size:17px;color:#333;font-weight:600}
.price-trial-body p{font-size:13px;color:#666;margin-top:4px;line-height:1.6}
.price-trial .page-btn{flex:0 0 auto;width:auto;white-space:nowrap}

/* ===== 价格页常见问题 ===== */
#faq .sec-head{display:flex;flex-direction:column;align-items:center;text-align:center;margin-bottom:36px}
#faq .sec-tag{margin-bottom:8px}
.faq-list{max-width:860px;margin:0 auto}
.faq-item{background:#fff;border:1px solid #e8edf6;border-radius:8px;margin-bottom:12px;overflow:hidden;box-shadow:0 1px 3px rgba(13,27,46,.04)}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 22px;font-size:16px;font-weight:600;color:#0d1b2e;display:flex;justify-content:space-between;align-items:center;gap:14px;transition:background .15s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:#f6f8fc}
.faq-item summary:after{content:"+";flex:0 0 auto;width:24px;height:24px;border-radius:50%;background:#eef3ff;color:#2b63f6;font-size:18px;line-height:24px;text-align:center;transition:transform .2s}
.faq-item[open] summary:after{transform:rotate(45deg);background:#2b63f6;color:#fff}
.faq-item .faq-a{padding:0 22px 20px;font-size:15px;line-height:1.8;color:#67748a}

/* ===== 下载页 ===== */
.download-grid{display:flex;justify-content:center;flex-wrap:wrap;gap:24px}
.download-card{background:#fff;border-radius:8px;box-shadow:0 0 6px rgba(207,207,207,.5);width:340px;padding:36px 30px;text-align:center;display:flex;flex-direction:column;align-items:center}
.download-logo{width:64px;height:64px;border-radius:14px;background:#4285f4;color:#fff;font-size:24px;font-weight:600;line-height:64px;margin-bottom:18px}
.download-card h3{font-size:18px;color:#333;font-weight:500}
.download-card p{font-size:14px;color:#999;margin:10px 0 24px;line-height:1.7;min-height:44px}
.download-card .page-btn{margin-top:auto}

/* ===== 帮助页 ===== */
.help-grid{display:flex;justify-content:center;flex-wrap:wrap;gap:24px}
.help-category{background:#fff;border-radius:8px;box-shadow:0 0 6px rgba(207,207,207,.5);width:260px;padding:30px 24px;text-align:center}
.help-category .icon{width:56px;height:56px;border-radius:50%;background:rgba(66,133,244,.12);color:#4285f4;font-size:24px;line-height:56px;margin:0 auto 14px}
.help-category h3{font-size:17px;color:#333;font-weight:500}
.help-category p{font-size:13px;color:#999;margin:10px 0 18px;line-height:1.6;min-height:40px}
.help-category a{color:#4285f4;font-size:14px;text-decoration:none}
.help-category a:hover{text-decoration:underline}
.faq-list{max-width:840px;margin:0 auto}
.faq-item{background:#fff;border-radius:6px;box-shadow:0 0 6px rgba(207,207,207,.5);margin-bottom:16px;overflow:hidden}
.faq-item summary{cursor:pointer;list-style:none;padding:20px 24px;font-size:16px;color:#333;position:relative;font-weight:500}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);color:#4285f4;font-size:24px;font-weight:400;transition:transform .2s}
.faq-item[open] summary:after{transform:translateY(-50%) rotate(45deg)}
.faq-answer{padding:0 24px 22px;font-size:14px;color:#666;line-height:1.9}
.contact-block{text-align:center}
.contact-block .qr{width:160px;height:160px;margin:0 auto 16px;background:#fff;padding:8px;border-radius:6px;box-shadow:0 0 6px rgba(207,207,207,.5)}
.contact-block .qr img{width:100%;height:100%;display:block}
.contact-block h3{font-size:18px;color:#333;font-weight:500}
.contact-block p{font-size:14px;color:#999;margin-top:8px}
@media screen and (max-width:500px){
  .page-hero{padding:52px 0 44px}
  .page-hero h1{font-size:30px}
  .page-section .section-head{padding:48px 0 32px}
  .page-section .section-head h2{font-size:24px}
  .price-card,.download-card,.help-category{width:100%}
  .pricing-grid,.download-grid,.help-grid{gap:16px}
  .price-trial{flex-direction:column;align-items:flex-start;text-align:left;padding:20px 20px}
  .price-trial .page-btn{width:100%;text-align:center;margin-top:4px}
}

.help-category .icon svg{width:28px;height:28px;display:inline-block;vertical-align:middle}