/* ================== Fonts ================== */
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('../assets/fonts/inter-400-000.woff2') format('woff2');unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB;}
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('../assets/fonts/inter-400-001.woff2') format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('../assets/fonts/inter-400-002.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url('../assets/fonts/inter-500-003.woff2') format('woff2');unicode-range:U+0102-0103,U+0110-0111,U+1EA0-1EF9;}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url('../assets/fonts/inter-500-004.woff2') format('woff2');unicode-range:U+0100-02BA,U+1E00-1E9F;}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url('../assets/fonts/inter-500-005.woff2') format('woff2');unicode-range:U+0000-00FF;}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('../assets/fonts/inter-600-006.woff2') format('woff2');unicode-range:U+0102-0103,U+0110-0111,U+1EA0-1EF9;}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('../assets/fonts/inter-600-007.woff2') format('woff2');unicode-range:U+0100-02BA,U+1E00-1E9F;}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('../assets/fonts/inter-600-008.woff2') format('woff2');unicode-range:U+0000-00FF;}
@font-face{font-family:'Inter';font-style:normal;font-weight:700;font-display:swap;src:url('../assets/fonts/inter-700-009.woff2') format('woff2');unicode-range:U+0102-0103,U+0110-0111,U+1EA0-1EF9;}
@font-face{font-family:'Inter';font-style:normal;font-weight:700;font-display:swap;src:url('../assets/fonts/inter-700-010.woff2') format('woff2');unicode-range:U+0100-02BA,U+1E00-1E9F;}
@font-face{font-family:'Inter';font-style:normal;font-weight:700;font-display:swap;src:url('../assets/fonts/inter-700-011.woff2') format('woff2');unicode-range:U+0000-00FF;}

/* ================== Reset ================== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter','PingFang SC','Microsoft YaHei','Hiragino Sans GB','Noto Sans SC',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  font-size:15px;line-height:1.55;color:#1f2937;background:#fff;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{list-style:none}

:root{
  --blue:#0068ff;
  --blue-dark:#0052cc;
  --blue-light:#e6f0ff;
  --bg-soft:#eef3ff;
  --text:#1f2937;
  --text-mute:#5b6573;
  --border:#e5e7eb;
  --container:1200px;
}

/* ================== Top announcement ================== */
.topbar{
  background:linear-gradient(90deg,#1877ff,#0068ff);
  color:#fff;font-size:14px;
  display:flex;align-items:center;justify-content:center;gap:12px;
  padding:10px 70px 10px 16px;text-align:center;position:relative;
}
.topbar .megaphone{font-size:18px}
.topbar strong{font-weight:600}
.topbar-btn{
  background:#fff;color:#0068ff;font-weight:600;font-size:13px;
  padding:6px 14px;border-radius:6px;margin-left:8px;white-space:nowrap;
  transition:transform .15s;
}
.topbar-btn:hover{transform:translateY(-1px)}
.topbar-zalo{
  position:absolute;right:14px;top:50%;transform:translateY(-50%);
  width:36px;height:36px;border-radius:50%;background:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 2px 6px rgba(0,0,0,.15);font-weight:700;color:#0068ff;font-size:11px;
}

/* ================== Header / Nav ================== */
.header{
  position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid #f0f1f4;
}
.nav{
  max-width:var(--container);margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 24px;gap:24px;
}
.nav-logo img{height:42px}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-menu > li > a, .nav-menu > li > button{
  display:flex;align-items:center;gap:4px;
  padding:10px 14px;border-radius:8px;
  font-size:15px;color:#1f2937;font-weight:500;
  transition:background .15s,color .15s;
}
.nav-menu > li > a:hover, .nav-menu > li > button:hover{color:var(--blue);background:#f4f7ff}
.nav-menu > li.active > a{color:var(--blue);font-weight:600;position:relative}
.nav-menu > li.active > a::after{
  content:'';position:absolute;left:14px;right:14px;bottom:-18px;height:3px;
  background:var(--blue);border-radius:3px;
}
.caret{width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor;margin-left:2px;transition:transform .15s}
.has-dropdown{position:relative}
.dropdown{
  position:absolute;top:100%;left:0;min-width:280px;
  background:#fff;border-radius:12px;box-shadow:0 10px 40px rgba(0,40,120,.12);
  border:1px solid #eef0f4;padding:10px;
  opacity:0;pointer-events:none;transform:translateY(-6px);
  transition:opacity .18s,transform .18s;
}
.has-dropdown:hover .dropdown,.has-dropdown.open .dropdown{opacity:1;pointer-events:auto;transform:translateY(0)}
.has-dropdown:hover .caret{transform:rotate(180deg)}
.dropdown a{
  display:flex;gap:12px;align-items:flex-start;padding:10px 12px;border-radius:8px;
  transition:background .15s;
}
.dropdown a:hover{background:#f4f7ff}
.dropdown a img{width:24px;height:24px;flex:none;margin-top:2px}
.dropdown a .d-title{font-weight:600;font-size:14px;color:#1f2937}
.dropdown a .d-sub{font-size:12px;color:var(--text-mute);margin-top:2px}

.btn-primary{
  background:var(--blue);color:#fff;font-weight:600;font-size:14px;
  padding:10px 18px;border-radius:8px;display:inline-flex;align-items:center;gap:8px;
  transition:background .15s,transform .15s;
}
.btn-primary:hover{background:var(--blue-dark)}
.btn-primary.lg{font-size:16px;padding:14px 28px;border-radius:10px}

.hamburger{display:none;font-size:24px;background:none;border:0;color:#1f2937}

/* ================== Hero ================== */
.hero{
  background:linear-gradient(180deg,#eaf0ff 0%,#f5f7ff 60%,#fff 100%);
  padding:60px 24px 40px;text-align:center;position:relative;overflow:hidden;
}
.hero h1{
  font-size:38px;line-height:1.2;font-weight:700;letter-spacing:-.5px;
  max-width:900px;margin:0 auto 18px;color:#101828;
}
.hero h1 .accent{color:var(--blue)}
.hero p{max-width:760px;margin:0 auto 28px;color:#475467;font-size:16px;line-height:1.7}
.hero .cta{margin-top:8px}
.hero-stage{
  position:relative;max-width:1200px;margin:50px auto 0;height:560px;
}
.hero-stage img{position:absolute}
.h-mob1{left:14%;top:20px;width:280px;filter:drop-shadow(0 24px 40px rgba(20,40,90,.15))}
.h-mob2{left:51%;top:60px;width:260px;filter:drop-shadow(0 24px 40px rgba(20,40,90,.15))}
.h-laptop{right:0;top:30px;width:580px;filter:drop-shadow(0 30px 50px rgba(20,40,90,.18))}
.h-line{left:38%;top:200px;width:220px;opacity:.7}
.h-icon{width:54px;height:54px;background:#fff;border-radius:50%;
  box-shadow:0 8px 24px rgba(0,40,120,.15);display:flex;align-items:center;justify-content:center;}
.h-icon img{position:static;width:28px;height:28px}
.h-call{left:42%;top:180px}
.h-mess{left:46%;top:280px}
.h-img{left:42%;top:380px}
.h-trip1{left:6%;top:380px;width:80px;border-radius:50%}
.h-trip2{left:34%;top:40px;width:90px;border-radius:50%}
.h-trip3{left:46%;top:430px;width:70px;border-radius:50%}

/* ================== Sections ================== */
.section{padding:80px 24px}
.section .wrap{max-width:var(--container);margin:0 auto}
.section-title{
  text-align:center;font-size:30px;font-weight:700;color:#101828;
  margin-bottom:14px;line-height:1.3;
}
.section-title .accent{color:var(--blue)}
.section-sub{text-align:center;color:#475467;max-width:760px;margin:0 auto 50px;font-size:16px}

.benefits{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.benefit{
  background:#fff;border:1px solid #eef0f4;border-radius:14px;padding:24px;
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.benefit:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(0,40,120,.08);border-color:#dde6ff}
.benefit img{width:48px;height:48px;margin-bottom:14px}
.benefit h3{font-size:16px;font-weight:600;margin-bottom:8px;color:#101828}
.benefit p{font-size:14px;color:#5b6573;line-height:1.6}

/* ===== Feature alternating rows ===== */
.feature-row{
  display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;
  padding:60px 0;
}
.feature-row.reverse .ftext{order:2}
.feature-row.reverse .fimg{order:1}
.feature-row .tag{
  display:inline-block;padding:5px 12px;border-radius:20px;
  background:var(--blue-light);color:var(--blue);font-size:13px;font-weight:600;margin-bottom:14px;
}
.feature-row h3{font-size:26px;font-weight:700;color:#101828;margin-bottom:14px;line-height:1.3}
.feature-row p{color:#475467;font-size:15px;line-height:1.7;margin-bottom:18px}
.feature-row ul{display:grid;gap:10px}
.feature-row li{display:flex;gap:10px;align-items:flex-start;color:#3a4253;font-size:14px}
.feature-row li::before{content:'';flex:none;width:18px;height:18px;border-radius:50%;background:var(--blue-light) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230068ff'><path d='M6.5 11.2L3.3 8l1.1-1.1 2.1 2.1 4.6-4.6 1.1 1.1z'/></svg>") center/14px no-repeat;margin-top:2px}
.fimg{display:flex;justify-content:center}
.fimg img{max-width:100%;border-radius:12px}

/* ===== Partners ===== */
.partners{background:#f7f9fd}
.partners-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:30px;align-items:center}
.partners-grid img{max-height:46px;object-fit:contain;opacity:.85;transition:opacity .15s,filter .15s;filter:grayscale(20%)}
.partners-grid img:hover{opacity:1;filter:grayscale(0)}

/* ===== Footer ===== */
.footer{background:#0a1f44;color:#cbd5e1;padding:60px 24px 24px;font-size:14px}
.footer .wrap{max-width:var(--container);margin:0 auto;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer .col h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:14px;text-transform:uppercase;letter-spacing:.6px}
.footer .col a{display:block;padding:5px 0;color:#aab4c5;transition:color .15s}
.footer .col a:hover{color:#fff}
.footer-logo img{height:38px;margin-bottom:14px;filter:brightness(0) invert(1)}
.footer-logo p{color:#aab4c5;line-height:1.6;font-size:13px}
.footer-bottom{max-width:var(--container);margin:40px auto 0;padding-top:20px;border-top:1px solid #1c3160;text-align:center;color:#7a8aa6;font-size:13px}

/* ================== Policy page ================== */
.policy-banner{
  background:
    url('../assets/img/line.svg') center/cover no-repeat,
    linear-gradient(90deg,#e8f1ff 0%,#f3f1ff 30%,#fdf3ee 65%,#fce8de 100%);
  padding:70px 24px;text-align:center;
}
.policy-banner h1{font-size:36px;font-weight:700;color:#101828;letter-spacing:1px}

.policy-layout{
  max-width:1280px;margin:0 auto;padding:50px 24px;
  display:grid;grid-template-columns:280px 1fr 240px;gap:40px;align-items:start;
}
.policy-side{position:sticky;top:90px;font-size:14px}
.policy-side a{
  display:block;padding:10px 14px;border-left:3px solid transparent;color:#475467;
  border-radius:0 6px 6px 0;line-height:1.45;transition:background .15s,color .15s,border-color .15s;
}
.policy-side a:hover{background:#f4f7ff;color:var(--blue)}
.policy-side a.active{background:#eaf2ff;color:var(--blue);border-left-color:var(--blue);font-weight:600}

.policy-content{font-size:15px;line-height:1.85;color:#1f2937;max-width:760px}
.policy-content h1{font-size:28px;font-weight:700;color:#101828;margin-bottom:24px;line-height:1.35}
.policy-content h2{font-size:20px;font-weight:700;color:#101828;margin:36px 0 14px;line-height:1.4;scroll-margin-top:90px}
.policy-content h3{font-size:16px;font-weight:600;color:#101828;margin:22px 0 10px}
.policy-content p{margin-bottom:14px;color:#3a4253}
.policy-content strong{color:#101828;font-weight:600}
.policy-content ol,.policy-content ul{margin:10px 0 16px 22px;display:grid;gap:8px}
.policy-content ol li,.policy-content ul li{color:#3a4253}
.policy-content ol{list-style:decimal}
.policy-content ul{list-style:disc}
.policy-content a{color:var(--blue);text-decoration:underline}
.callout{
  background:#fff7ed;border-left:4px solid #f59e0b;padding:14px 18px;border-radius:6px;
  margin:20px 0;color:#7a4a08;font-size:14px;line-height:1.7;
}

.policy-toc{position:sticky;top:90px;font-size:13px;border-left:1px solid #eef0f4;padding-left:20px}
.policy-toc h5{font-size:12px;color:#94a0b8;text-transform:uppercase;letter-spacing:.6px;margin-bottom:14px;font-weight:600}
.policy-toc a{display:block;padding:6px 0;color:#5b6573;line-height:1.45;transition:color .15s}
.policy-toc a:hover{color:var(--blue)}
.policy-toc a.active{color:var(--blue);font-weight:600}

/* ================== Feature (interaction) page ================== */
.feature-layout{grid-template-columns:280px 1fr}
.feature-side .feat-group{margin-bottom:18px}
.feature-side .feat-group-title{
  font-size:12px;font-weight:700;color:#94a0b8;letter-spacing:.8px;
  text-transform:uppercase;padding:0 14px 8px;
}
.feature-content{max-width:none}
.feat-hero{
  display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:center;
  padding:8px 0 24px;
}
.feat-hero-text h1{font-size:30px;font-weight:700;color:#101828;margin-bottom:10px}
.feat-hero-text .feat-sub{color:#5b6573;font-size:16px;margin-bottom:18px;line-height:1.6}
.feat-hero-text p{color:#3a4253;line-height:1.8;margin-bottom:10px}
.feat-hero-img{display:flex;justify-content:center}
.feat-hero-img img{max-width:100%;max-height:420px;border-radius:14px}
.feat-section-title{
  font-size:22px;font-weight:700;color:#101828;text-align:center;
  margin:40px 0 28px;line-height:1.4;
}
.feat-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.feat-card{
  background:#fff;border:1px solid #eef0f4;border-radius:16px;padding:28px 26px;
  box-shadow:0 6px 22px rgba(20,40,90,.04);transition:transform .2s,box-shadow .2s;
}
.feat-card:hover{transform:translateY(-3px);box-shadow:0 14px 32px rgba(20,40,90,.08)}
.feat-card-icon{width:46px;height:46px;margin-bottom:14px}
.feat-card h3{font-size:18px;font-weight:700;color:#101828;margin-bottom:8px}
.feat-card p{color:#5b6573;font-size:14px;margin-bottom:14px;line-height:1.65}
.feat-card ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.feat-card ul li{
  position:relative;padding-left:22px;color:#3a4253;font-size:14px;line-height:1.6;
}
.feat-card ul li::before{
  content:"";position:absolute;left:0;top:7px;width:14px;height:14px;border-radius:50%;
  background:var(--blue-light);
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10'><path d='M2 5l2 2 4-4' stroke='%230068ff' stroke-width='1.6' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat:no-repeat;background-position:center;
}
@media (max-width:1024px){
  .feature-layout{grid-template-columns:1fr}
  .feat-hero{grid-template-columns:1fr}
  .feat-hero-img img{max-height:320px}
  .feat-cards{grid-template-columns:1fr}
}

/* ================== Placeholder page ================== */
.placeholder-wrap{
  min-height:60vh;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:60px 24px;
}
.placeholder-wrap h1{font-size:34px;font-weight:700;color:#101828;margin-bottom:12px}
.placeholder-wrap p{color:#5b6573;margin-bottom:24px;max-width:520px}

/* ================== Responsive ================== */
@media (max-width:1024px){
  .nav-menu{display:none}
  .hamburger{display:block}
  .nav.menu-open .nav-menu{
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    position:absolute;top:100%;left:0;right:0;background:#fff;
    border-top:1px solid #eef0f4;padding:10px;box-shadow:0 12px 30px rgba(0,40,120,.08);
  }
  .nav.menu-open .nav-menu > li > a,
  .nav.menu-open .nav-menu > li > button{padding:14px;border-radius:8px;width:100%;justify-content:flex-start}
  .nav.menu-open .nav-menu > li.active > a::after{display:none}
  .nav.menu-open .dropdown{position:static;opacity:1;pointer-events:auto;transform:none;box-shadow:none;border:0;padding:4px 0 4px 24px;display:none}
  .nav.menu-open .has-dropdown.open .dropdown{display:block}
  .nav{position:relative;flex-wrap:wrap}
  .hero-stage{height:auto;display:flex;justify-content:center;padding:30px 0}
  .hero-stage img{position:static;display:block}
  .h-line,.h-call,.h-mess,.h-img,.h-trip1,.h-trip2,.h-trip3,.h-mob2,.h-laptop{display:none}
  .h-mob1{width:240px;left:auto;top:auto;margin:0 auto}
  .benefits{grid-template-columns:repeat(2,1fr)}
  .feature-row{grid-template-columns:1fr;gap:24px;padding:36px 0}
  .feature-row.reverse .ftext{order:1}.feature-row.reverse .fimg{order:2}
  .partners-grid{grid-template-columns:repeat(4,1fr)}
  .footer .wrap{grid-template-columns:1fr 1fr}
  .policy-layout{grid-template-columns:1fr;gap:24px}
  .policy-side,.policy-toc{position:static;border:0;padding:0}
  .policy-toc{display:none}
}
@media (max-width:600px){
  .hero h1{font-size:28px}
  .section{padding:50px 18px}
  .section-title{font-size:24px}
  .benefits{grid-template-columns:1fr}
  .partners-grid{grid-template-columns:repeat(3,1fr)}
  .footer .wrap{grid-template-columns:1fr}
  .topbar{flex-direction:column;padding:10px 14px;gap:8px}
  .topbar-zalo{display:none}
}

/* ================== Blog list ================== */
.blog-wrap{max-width:1200px;margin:0 auto;padding:40px 24px 60px}
.blog-toolbar{
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;
  padding:16px 0 28px;border-bottom:1px solid #eef0f4;margin-bottom:32px;
}
.blog-search{position:relative;flex:0 0 280px}
.blog-search input{
  width:100%;padding:10px 14px 10px 36px;border:1px solid #e0e4ec;border-radius:8px;
  font-size:14px;color:#1f2937;background:#fff;transition:border-color .15s;
}
.blog-search input:focus{outline:none;border-color:var(--blue)}
.blog-search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);font-size:14px;opacity:.5}
.blog-filters{display:flex;gap:8px;flex:1;flex-wrap:wrap}
.blog-chip{
  padding:7px 16px;border-radius:20px;background:#f4f6fa;color:#5b6573;
  font-size:13px;font-weight:500;border:1px solid transparent;transition:all .15s;
}
.blog-chip:hover{background:#eaf0ff;color:var(--blue)}
.blog-chip.active{background:var(--blue);color:#fff}
.blog-sort-wrap{display:flex;align-items:center;gap:8px;font-size:13px;color:#5b6573}
.blog-sort-wrap select{
  padding:8px 12px;border:1px solid #e0e4ec;border-radius:8px;background:#fff;
  font-size:13px;color:#1f2937;cursor:pointer;
}

.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.blog-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid #eef0f4;
  border-radius:14px;overflow:hidden;transition:transform .2s,box-shadow .2s,border-color .2s;
}
.blog-card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(0,40,120,.08);border-color:#dde6ff}
.blog-card-cover{
  width:100%;aspect-ratio:16/9;background:#f4f6fa center/cover no-repeat;
}
.blog-card-body{padding:20px}
.blog-card-meta{
  display:flex;align-items:center;gap:8px;font-size:12px;color:#94a0b8;margin-bottom:10px;
}
.blog-card-sep{color:#d0d6e0}
.blog-card-cat{color:var(--blue);font-weight:600}
.blog-card-title{
  font-size:16px;font-weight:700;color:#101828;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:10px;
}
.blog-card-excerpt{
  font-size:13px;color:#5b6573;line-height:1.65;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.blog-empty{
  grid-column:1/-1;text-align:center;padding:60px 24px;color:#94a0b8;font-size:15px;
}

/* ================== Blog detail ================== */
.blog-detail-wrap{max-width:820px;margin:0 auto;padding:30px 24px 60px}
.blog-breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:#94a0b8;margin-bottom:24px;
}
.blog-breadcrumb a{color:var(--blue)}
.blog-breadcrumb a:hover{text-decoration:underline}
.blog-breadcrumb .cur{color:#5b6573}
.blog-detail-cover{
  width:100%;aspect-ratio:16/9;background:#f4f6fa center/cover no-repeat;
  border-radius:14px;margin-bottom:20px;
}
.blog-detail-meta{
  display:flex;align-items:center;gap:8px;font-size:13px;color:#94a0b8;margin-bottom:14px;
}
.blog-detail-title{
  font-size:30px;font-weight:700;color:#101828;line-height:1.35;margin-bottom:30px;
}
.blog-detail-body{font-size:15px;line-height:1.85;color:#1f2937}
.blog-detail-body h2{font-size:20px;font-weight:700;color:#101828;margin:32px 0 14px;line-height:1.4}
.blog-detail-body h3{font-size:16px;font-weight:600;color:#101828;margin:22px 0 10px}
.blog-detail-body p{margin-bottom:14px;color:#3a4253}
.blog-detail-body strong{color:#101828;font-weight:600}
.blog-detail-body ul,.blog-detail-body ol{margin:10px 0 16px 22px;display:grid;gap:8px}
.blog-detail-body ul{list-style:disc}
.blog-detail-body ol{list-style:decimal}
.blog-detail-body a{color:var(--blue);text-decoration:underline}
.blog-detail-body img{margin:18px 0;border-radius:10px;width:100%;height:auto}

.blog-divider{border:0;border-top:1px solid #eef0f4;margin:40px 0}
.blog-feedback h4{font-size:16px;font-weight:600;color:#101828;margin-bottom:14px}
.blog-feedback-btns{display:flex;gap:10px;flex-wrap:wrap}
.blog-feedback-btns button{
  padding:9px 22px;border:1px solid #e0e4ec;border-radius:24px;background:#fff;
  font-size:14px;color:#3a4253;transition:all .15s;
}
.blog-feedback-btns button:hover{border-color:var(--blue);color:var(--blue);background:#eaf0ff}

.blog-related{margin-top:50px}
.blog-related h4{font-size:18px;font-weight:700;color:#101828;margin-bottom:18px}
.blog-related-list{display:grid;gap:14px}
.blog-related-item{
  display:flex;gap:14px;padding:12px;border-radius:12px;border:1px solid #eef0f4;
  transition:background .15s,border-color .15s;
}
.blog-related-item:hover{background:#f4f7ff;border-color:#dde6ff}
.blog-related-cover{
  flex:none;width:120px;aspect-ratio:16/9;background:#f4f6fa center/cover no-repeat;border-radius:8px;
}
.blog-related-title{
  font-size:14px;font-weight:600;color:#101828;line-height:1.5;margin-top:4px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}

@media (max-width:1024px){
  .blog-grid{grid-template-columns:repeat(2,1fr)}
  .blog-search{flex:1 1 100%}
}
@media (max-width:600px){
  .blog-grid{grid-template-columns:1fr}
  .blog-detail-title{font-size:24px}
  .blog-related-cover{width:90px}
}

/* ================== Download page ================== */
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:8px;
  font-weight:600;font-size:14px;color:var(--blue);background:#fff;
  border:1.5px solid var(--blue);transition:background .15s,color .15s;
}
.btn-ghost:hover{background:var(--blue);color:#fff}
.btn-ghost.lg{font-size:16px;padding:13px 26px;border-radius:10px}

.dl-hero{
  background:
    radial-gradient(circle at 15% 20%, rgba(0,104,255,.12), transparent 55%),
    radial-gradient(circle at 85% 30%, rgba(255,153,0,.10), transparent 55%),
    linear-gradient(180deg,#eef3ff 0%,#f7f9ff 70%,#fff 100%);
  padding:80px 24px 70px;text-align:center;
}
.dl-hero-inner{max-width:820px;margin:0 auto}
.dl-eyebrow{
  display:inline-block;background:#fff;color:var(--blue);font-weight:700;font-size:12px;
  letter-spacing:1.2px;padding:6px 14px;border-radius:20px;margin-bottom:18px;
  box-shadow:0 4px 14px rgba(0,40,120,.08);
}
.dl-hero h1{font-size:40px;font-weight:700;color:#101828;line-height:1.25;margin-bottom:18px;letter-spacing:-.5px}
.dl-hero h1 .accent{color:var(--blue)}
.dl-hero p{font-size:16px;color:#475467;line-height:1.7;margin-bottom:30px}
.dl-hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

.dl-section{padding:80px 24px}
.dl-section-soft{background:#f7f9fd}
.dl-wrap{max-width:1200px;margin:0 auto}
.dl-section-title{text-align:center;font-size:28px;font-weight:700;color:#101828;margin-bottom:12px;line-height:1.3}
.dl-section-sub{text-align:center;color:#475467;max-width:680px;margin:0 auto 44px;font-size:15px;line-height:1.7}

.dl-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.dl-cards-2{grid-template-columns:repeat(2,1fr)}
.dl-card{
  background:#fff;border:1px solid #eef0f4;border-radius:16px;padding:30px 26px;text-align:center;
  display:flex;flex-direction:column;align-items:center;
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.dl-card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(0,40,120,.10);border-color:#dde6ff}
.dl-card-row{flex-direction:row;text-align:left;gap:22px;align-items:flex-start}
.dl-card-row .dl-card-body{flex:1}
.dl-card-icon{
  width:64px;height:64px;border-radius:18px;display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;color:#fff;flex:none;
}
.dl-card-row .dl-card-icon{margin-bottom:0;margin-top:4px}
.dl-card-icon svg{width:34px;height:34px}
.dl-icon-win{background:linear-gradient(135deg,#00a4ef,#0078d4)}
.dl-icon-mac{background:linear-gradient(135deg,#3a3a3a,#1a1a1a)}
.dl-icon-linux{background:linear-gradient(135deg,#f6a623,#e6700a)}
.dl-icon-chrome{background:linear-gradient(135deg,#4caf50,#2196f3)}
.dl-icon-sdk{background:linear-gradient(135deg,#0068ff,#7e4ef9)}

.dl-card h3{font-size:18px;font-weight:700;color:#101828;margin-bottom:8px}
.dl-card p{font-size:14px;color:#5b6573;line-height:1.6;margin-bottom:14px}
.dl-card-meta{font-size:12px;color:#94a0b8;margin-bottom:18px}
.dl-card-actions{display:flex;gap:10px;flex-wrap:wrap}

.dl-mobile{
  display:grid;grid-template-columns:1fr 360px;gap:50px;align-items:center;
}
.dl-feat-list{display:grid;gap:14px;margin-bottom:30px}
.dl-feat-list li{
  position:relative;padding-left:30px;color:#3a4253;font-size:15px;line-height:1.6;
}
.dl-feat-list li::before{
  content:"";position:absolute;left:0;top:4px;width:20px;height:20px;border-radius:50%;
  background:var(--blue-light) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230068ff'><path d='M6.5 11.2L3.3 8l1.1-1.1 2.1 2.1 4.6-4.6 1.1 1.1z'/></svg>") center/14px no-repeat;
}
.dl-store-btns{display:flex;flex-wrap:wrap;gap:12px}
.dl-store{
  display:flex;align-items:center;gap:10px;padding:10px 16px;border-radius:10px;
  background:#101828;color:#fff;transition:transform .15s,background .15s;
}
.dl-store:hover{transform:translateY(-2px);background:#0068ff}
.dl-store svg{width:24px;height:24px;flex:none}
.dl-store small{display:block;font-size:10px;opacity:.75;line-height:1}
.dl-store span{display:block;font-size:14px;font-weight:600;line-height:1.2;margin-top:3px}

.dl-mobile-phone{display:flex;justify-content:center}
.dl-phone-frame{
  width:280px;padding:14px 10px;border-radius:36px;
  background:linear-gradient(135deg,#1a1a2e,#0a1f44);
  box-shadow:0 30px 60px rgba(0,40,120,.25);
  position:relative;
}
.dl-phone-frame::before{
  content:"";position:absolute;top:18px;left:50%;transform:translateX(-50%);
  width:90px;height:6px;background:#000;border-radius:6px;
}
.dl-phone-frame img{width:100%;border-radius:24px;display:block}

.dl-req-table{
  background:#fff;border:1px solid #eef0f4;border-radius:14px;overflow:hidden;
  box-shadow:0 6px 22px rgba(20,40,90,.04);
}
.dl-req-row{
  display:grid;grid-template-columns:1.2fr 2fr 2fr 1fr;gap:0;
  padding:16px 22px;border-bottom:1px solid #f0f1f4;font-size:14px;color:#3a4253;
}
.dl-req-row:last-child{border-bottom:0}
.dl-req-row > div{padding:0 6px}
.dl-req-head{background:#f7f9fd;color:#101828;font-weight:700;font-size:13px;letter-spacing:.4px}
.dl-req-row > div:first-child{font-weight:600;color:#101828}

@media (max-width:1024px){
  .dl-hero h1{font-size:32px}
  .dl-cards{grid-template-columns:repeat(2,1fr)}
  .dl-cards-2{grid-template-columns:1fr}
  .dl-mobile{grid-template-columns:1fr;gap:30px}
  .dl-mobile-phone{order:-1}
  .dl-phone-frame{width:240px}
  .dl-req-row{grid-template-columns:1fr 1fr;gap:8px;font-size:13px}
  .dl-req-head{display:none}
  .dl-req-row > div::before{content:attr(data-label);color:#94a0b8;font-size:11px;display:block}
}
@media (max-width:600px){
  .dl-hero{padding:60px 20px 50px}
  .dl-hero h1{font-size:26px}
  .dl-section{padding:50px 20px}
  .dl-cards{grid-template-columns:1fr}
  .dl-card-row{flex-direction:column;text-align:center}
  .dl-card-row .dl-card-icon{margin:0 auto 16px}
  .dl-req-row{grid-template-columns:1fr}
}

/* ================== Language Switcher ================== */
.lang-switch{position:relative;display:inline-block;margin-right:8px}
.lang-toggle{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:8px;border:1px solid var(--border);background:#fff;font-size:14px;font-weight:500;color:#1f2937;transition:background .15s,border-color .15s}
.lang-toggle:hover{background:#f4f7ff;border-color:var(--blue)}
.lang-toggle .lang-globe{font-size:15px;line-height:1}
.lang-toggle .lang-current{font-weight:600;letter-spacing:.3px}
.lang-toggle .caret{display:inline-block;width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid #6b7280;margin-left:2px}
.lang-menu{position:absolute;right:0;top:calc(100% + 6px);min-width:140px;background:#fff;border:1px solid var(--border);border-radius:10px;box-shadow:0 8px 24px rgba(0,0,0,.08);padding:6px;display:none;z-index:60}
.lang-switch.open .lang-menu{display:block}
.lang-menu button{display:block;width:100%;text-align:left;padding:8px 12px;border-radius:6px;font-size:14px;color:#1f2937;background:none}
.lang-menu button:hover{background:#f4f7ff;color:var(--blue)}
.lang-menu button.active{background:#e6f0ff;color:var(--blue);font-weight:600}
@media (max-width:1024px){.lang-switch{margin-right:4px}.lang-toggle{padding:6px 10px;font-size:13px}}

/* === SEO & Accessibility === */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.sr-only:focus{position:static;width:auto;height:auto;padding:8px 16px;margin:0;overflow:visible;clip:auto;white-space:normal;background:#0068ff;color:#fff;z-index:9999}
[aria-label="面包屑"] a{text-decoration:none}
[aria-label="面包屑"] a:hover{text-decoration:underline}

/* === Blog Pagination === */
.blog-pager{display:flex;justify-content:center;align-items:center;gap:6px;margin-top:32px;padding:0 20px 16px}
.page-num{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 12px;border:1px solid #d0d5dd;border-radius:8px;background:#fff;color:#344054;font-size:15px;font-weight:500;cursor:pointer;transition:all .2s}
.page-num:hover:not(:disabled):not(.active){background:#f2f4f7;border-color:#98a2b3}
.page-num.active{background:#0068ff;color:#fff;border-color:#0068ff}
.page-num:disabled,.page-num.disabled{opacity:.4;cursor:not-allowed}
.blog-page-ellipsis{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;color:#98a2b3;font-size:16px;letter-spacing:2px}

/* === FAQ Section (SEO) === */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid #e5e7eb;border-radius:12px;margin-bottom:12px;overflow:hidden;background:#fff}
.faq-item h3{padding:18px 24px;font-size:16px;font-weight:600;color:#1f2937;cursor:pointer;position:relative;display:flex;align-items:center;justify-content:space-between;margin:0}
.faq-item h3::after{content:'+';font-size:20px;color:#6b7280;font-weight:400;transition:transform .2s}
.faq-item.open h3::after{content:'−';color:var(--blue)}
.faq-item [itemprop="text"]{padding:0 24px 18px;font-size:15px;color:#4b5563;line-height:1.7;display:none}
.faq-item.open [itemprop="text"]{display:block}
@media(max-width:768px){.faq-item h3{padding:14px 16px;font-size:15px}.faq-item [itemprop="text"]{padding:0 16px 14px}}