/* 灵蜜岛官网 · 柔紫配色 · 响应式双语版 */
:root{--ink:#37345a;--sub:#676287;--line:#dcd9ec;--bg:#ffffff;--acc:#55489f;--acc-d:#443a85;--dark:#55489f;--dark2:#3f3487;--title:#262347;--lav:#eeecf8;--lav-line:#cfc9e8}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.75;font-size:15.5px}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}

/* 导航（原生 HTML 文字，移动端自动换行，无 JS 菜单） */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--lav-line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:64px;padding:10px 0;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;flex:none}
.brand-mark{width:34px;height:34px;border-radius:999px;background:linear-gradient(135deg,#7b6fc0,#53469c);display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px;font-weight:800}
.brand small{display:block;font-size:11px;color:var(--sub);font-weight:400;line-height:1;letter-spacing:.5px}
.nav-links{display:flex;gap:6px 20px;font-size:14.5px;color:var(--sub);flex-wrap:wrap;align-items:center}
.nav-links a{padding:6px 2px;border-bottom:2px solid transparent}
.nav-links a:hover{color:var(--acc)}
.nav-links a.on{color:var(--acc);font-weight:600;border-bottom-color:var(--acc)}
.nav-links a.lang{border:1.5px solid var(--lav-line);background:var(--lav);border-radius:999px;padding:4px 14px;font-weight:600}
.nav-tel{font-size:14px;font-weight:700;color:var(--acc);border:1.5px solid var(--lav-line);background:var(--lav);border-radius:999px;padding:7px 16px;flex:none;white-space:nowrap}
.lang-btn{font-size:13px;font-weight:700;color:var(--acc);border:1.5px solid var(--lav-line);background:var(--lav);border-radius:999px;padding:5px 14px;cursor:pointer;font-family:inherit}
@media(max-width:760px){
  .nav{justify-content:center}
  .nav-tel{order:-1;width:100%;text-align:center;margin-bottom:2px}
  .nav-links{justify-content:center;gap:4px 16px}
  .nav-links a{padding:4px 2px}
}

/* 面包屑 */
.crumbs{font-size:13px;color:#8f8aa8;padding:18px 0 0}
.crumbs a:hover{color:var(--acc)}
.crumbs span{margin:0 6px;color:#cfcce0}

/* 页头（内页通用） */
.page-hero{background:linear-gradient(180deg,#f7f6fc 0%,#ffffff 78%);color:var(--title);padding:52px 0 44px;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;right:-70px;top:-90px;width:430px;height:430px;border-radius:50%;background:radial-gradient(circle at 32% 32%,rgba(154,143,201,.42),rgba(114,104,181,.16) 58%,transparent 72%);filter:blur(2px);pointer-events:none}
.page-hero::after{content:"";position:absolute;right:190px;bottom:-60px;width:170px;height:170px;border-radius:50%;border:26px solid rgba(154,143,201,.22);filter:blur(1px);pointer-events:none}
.page-hero .wrap{position:relative;z-index:1}
.page-hero h1{font-size:31px;font-weight:800;letter-spacing:.5px;margin-bottom:12px;color:var(--title)}
.page-hero p{color:var(--sub);font-size:15px;max-width:680px}
.page-hero .crumbs, .page-hero .crumbs a, .page-hero .crumbs span{color:#8f8aa8!important}
@media(max-width:640px){.page-hero h1{font-size:24px}.hero h1{font-size:26px}.hero{padding:40px 0}.page-hero{padding:40px 0 34px}}

/* 通用 section */
section{padding:64px 0}
@media(max-width:640px){section{padding:44px 0}}
.sec-head{max-width:680px;margin-bottom:40px}
.sec-tag{font-size:13px;color:var(--acc);font-weight:700;letter-spacing:2px}
h2{font-size:27px;font-weight:800;margin:8px 0 12px;letter-spacing:.5px;color:var(--title)}
@media(max-width:640px){h2{font-size:22px}}
.sec-head p{color:var(--sub);font-size:15px}

/* 卡片网格 */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
@media(max-width:1000px){.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:860px){.grid-3{grid-template-columns:1fr}.grid-2{grid-template-columns:1fr}}
@media(max-width:580px){.grid-4{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:26px 22px;transition:border-color .2s}
.card:hover{border-color:#c5c0dd}
.card .ico{width:44px;height:44px;border-radius:999px;background:linear-gradient(135deg,#7b6fc0,#53469c);color:#fff;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.grid-4 .card:nth-child(2) .ico{background:linear-gradient(135deg,#8d80cd,#63559f)}
.grid-4 .card:nth-child(3) .ico{background:linear-gradient(135deg,#6f7bb5,#51599c)}
.grid-4 .card:nth-child(4) .ico{background:linear-gradient(135deg,#5f5499,#413578)}
.grid-3 .card:nth-child(2) .ico{background:linear-gradient(135deg,#8d80cd,#63559f)}
.grid-3 .card:nth-child(3) .ico{background:linear-gradient(135deg,#5f5499,#413578)}
.card h3{font-size:16.5px;margin-bottom:8px;color:var(--title)}
.card p{font-size:13.8px;color:var(--sub)}
.card .more{display:inline-block;margin-top:12px;font-size:13.5px;color:var(--acc);font-weight:600}

/* 数据条 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:40px}
@media(max-width:640px){.stats{grid-template-columns:repeat(2,1fr)}}
.stat{background:#fff;border:1px solid var(--lav-line);border-radius:14px;padding:18px 10px;text-align:center;box-shadow:0 6px 16px rgba(114,104,181,.07)}
.stat b{display:block;font-size:22px;color:var(--title)}
.stat b i{font-style:normal;color:var(--acc);font-size:13px;margin-left:2px}
.stat span{font-size:12.5px;color:var(--sub)}

/* 编号优势 */
.adv-item{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px}
.adv-item .num{flex:none;font-size:26px;font-weight:800;color:#c5c0dd;line-height:1}
.adv-item h3{font-size:16px;margin-bottom:6px;color:var(--title)}
.adv-item p{font-size:13.8px;color:var(--sub)}
.strip{background:var(--lav);border-top:1px solid var(--lav-line);border-bottom:1px solid var(--lav-line)}

/* 流程步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
@media(max-width:960px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}
.step{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px 22px;counter-increment:step}
.step::before{content:"0" counter(step);font-size:13px;font-weight:800;color:var(--acc);letter-spacing:1px}
.step h3{font-size:16px;margin:10px 0 8px;color:var(--title)}
.step p{font-size:13.5px;color:var(--sub)}

/* 案例卡 */
.case-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px 26px}
.case-card h3{font-size:18px;color:var(--title);margin-bottom:4px}
.case-card .c-tag{font-size:12px;color:var(--acc);letter-spacing:1px;font-weight:700}
.case-card h4{font-size:14.5px;color:var(--title);margin:16px 0 4px}
.case-card p{font-size:14px;color:var(--sub)}
.case-card ul{margin:4px 0 0 20px;font-size:14px;color:var(--sub)}
.case-card li{margin:4px 0}

/* 专利卡 */
.patent-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px;display:flex;gap:22px;align-items:flex-start}
@media(max-width:720px){.patent-card{flex-direction:column}}
.patent-card .badge{flex:none;background:linear-gradient(135deg,#948ac6,#6f63b8);color:#fff;border-radius:10px;padding:8px 14px;font-size:12.5px;font-weight:700;text-align:center;line-height:1.5}
.patent-card h3{font-size:16.5px;color:var(--title);margin-bottom:6px}
.patent-card .p-no{font-size:13px;color:var(--acc);font-weight:600;margin-bottom:8px;font-family:ui-monospace,Menlo,monospace}
.patent-card p{font-size:13.8px;color:var(--sub)}
.patent-card .cert{margin-top:12px;border:1px dashed var(--lav-line);border-radius:10px;padding:18px;text-align:center;font-size:12.5px;color:var(--sub);background:var(--lav)}

/* 列表页卡片（博客） */
.post-card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column}
.post-card .body{padding:22px;display:flex;flex-direction:column;flex:1}
.post-card .meta{font-size:12.5px;color:#9a96b2;margin-bottom:8px}
.post-card h3{font-size:17px;margin-bottom:8px;line-height:1.5;color:var(--title)}
.post-card p{font-size:13.8px;color:var(--sub);flex:1}
.post-card .more{margin-top:14px;font-size:13.5px;color:var(--acc);font-weight:600}
.tag{display:inline-block;font-size:12px;color:#7268b5;background:#f0eef8;border-radius:999px;padding:2px 12px;margin-right:6px}

/* 文章排版 */
.article{background:#fff;border:1px solid var(--line);border-radius:14px;padding:40px 44px;max-width:860px;margin:0 auto}
@media(max-width:640px){.article{padding:26px 20px}}
.article h1{font-size:26px;line-height:1.45;margin-bottom:14px;color:var(--title)}
.article .a-meta{font-size:13px;color:#9a96b2;margin-bottom:24px}
.article h2{font-size:20px;margin:30px 0 12px}
.article h3{font-size:16.5px;margin:22px 0 10px}
.article p{font-size:15px;color:#514e68;margin:12px 0}
.article ul,.article ol{margin:12px 0 12px 22px;color:#514e68;font-size:15px}
.article li{margin:6px 0}
.article strong{color:var(--title)}
.article blockquote{border-left:3px solid var(--acc);background:var(--lav);padding:12px 18px;border-radius:0 10px 10px 0;margin:16px 0;color:#605c7a;font-size:14.5px}
.article img{border-radius:10px;margin:14px 0}

/* FAQ */
details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:14px;overflow:hidden}
summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;padding:19px 24px;font-size:15.5px;font-weight:600;color:var(--title)}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:20px;color:var(--acc);font-weight:400;transition:transform .2s}
details[open] summary::after{transform:rotate(45deg)}
.ans{padding:14px 24px 20px;color:var(--sub);font-size:14.5px}

/* 表格 */
.table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden;font-size:14px}
.table th{background:var(--lav);color:var(--title);text-align:left;padding:13px 16px;font-weight:700}
.table td{padding:13px 16px;border-top:1px solid var(--line);color:var(--sub)}
.table td:first-child{color:var(--ink);font-weight:600}
@media(max-width:640px){.table th,.table td{padding:10px 10px}}

/* 联系页 */
.contact-block{background:linear-gradient(160deg,var(--dark),var(--dark2));color:#fff;border-radius:16px;padding:36px}
@media(max-width:640px){.contact-block{padding:24px 18px}}
.c-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px}
@media(max-width:860px){.c-grid{grid-template-columns:1fr}}
.c-info{display:grid;gap:14px;align-content:start}
.c-row{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);border-radius:12px;padding:15px 20px}
.c-row b{font-size:13px;color:#d5d0ea;display:block;font-weight:600}
.c-row span{font-size:15.5px;font-weight:600}
form .f-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:560px){form .f-grid{grid-template-columns:1fr}}
label{font-size:13px;color:var(--sub);display:block;margin-bottom:6px}
input,select,textarea{width:100%;background:#fff;border:1px solid #ddd9ec;border-radius:9px;color:var(--ink);padding:11px 14px;font-size:14px;font-family:inherit;margin-bottom:14px}
input::placeholder,textarea::placeholder{color:#a8a4bd}
textarea{min-height:110px;resize:vertical}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:13px 28px;font-size:15px;font-weight:600;border:none;cursor:pointer}
.btn-p{background:linear-gradient(135deg,#7b6fc0,#53469c);color:#fff;box-shadow:0 8px 20px rgba(83,70,156,.3)}
.btn-p:hover{background:linear-gradient(135deg,#6f63b5,#4a3d90)}
.form-note{font-size:12.5px;color:var(--sub);margin-top:12px}

/* CTA 条 */
.cta-band{background:linear-gradient(160deg,var(--dark),var(--dark2));color:#fff;border-radius:16px;padding:38px 40px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
@media(max-width:640px){.cta-band{padding:26px 22px}}
.cta-band h2{margin:0 0 6px;font-size:22px;color:#fff}
.cta-band p{color:#dedbf0;font-size:14px}
.cta-band .btn-p{background:#fff;color:#5f5499;box-shadow:none}

/* 产品图位（客户覆盖 assets/img/ 同名 jpg 即换图） */
.img-slot{position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--lav-line);background:linear-gradient(160deg,#948ac6,#6f63b8)}
.img-slot img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}
.img-slot figcaption{font-size:12.5px;color:var(--sub);padding:8px 2px 0}

/* 页脚 */
footer{background:#312d5c;color:#c5c1dd;font-size:13px;padding:32px 0;margin-top:0}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
footer a:hover{color:#e8e6f5}
.f-links{display:flex;gap:16px;flex-wrap:wrap}