/* Mẫu website năng lượng xanh (điện mặt trời và điện gió) – tiền tố sol- */
.sol{--ink:#0a2540;--ink2:#14395e;--sky:#e3f3f8;--paper:#f6fbfc;--sun:#ffb81c;--sun2:#ff8a1f;--leaf:#1fa55b;--wind:#12b5b0;--mute:#506b82;--line:#d4e6ec;font-family:'Be Vietnam Pro',system-ui,sans-serif;color:var(--ink);background:#fff;overflow-x:clip}
.sol *{box-sizing:border-box}
.sol h1,.sol h2,.sol h3{font-family:'K2D','Be Vietnam Pro',sans-serif;letter-spacing:-.02em;margin:0;color:inherit}
.sol p{margin:0}
.sol a{text-decoration:none}
.sol-btn{display:inline-flex;align-items:center;justify-content:center;height:50px;padding:0 26px;border-radius:999px;font-weight:700;font-size:15.5px;transition:transform .2s,box-shadow .2s,background .2s;border:2px solid transparent;cursor:pointer}
.sol-btn:hover{transform:translateY(-2px)}
.sol-btn:focus-visible,.sol-tablist button:focus-visible,.sol summary:focus-visible{outline:3px solid #fff;outline-offset:3px;box-shadow:0 0 0 6px var(--ink)}
.sol-btn-sun{background:linear-gradient(135deg,var(--sun),var(--sun2));color:#3a1c00;box-shadow:0 12px 30px -10px rgba(255,150,20,.8)}
.sol-btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.08)}
.sol-btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff}
.sol-btn-dark{background:var(--ink);color:#fff}.sol-btn-dark:hover{color:#fff;background:var(--ink2)}

/* ---- hero ---- */
.sol-hero{position:relative;min-height:760px;color:#fff;background:linear-gradient(180deg,#071c33 0%,#0e4a73 38%,#2f8fb4 66%,#ffd47a 100%);isolation:isolate;overflow:hidden;padding:150px 0 0}
.sol-sky{position:absolute;inset:0;z-index:-1}
.sol-sun{position:absolute;right:11%;top:27%;width:0;height:0}
.sol-disc{position:absolute;left:-70px;top:-70px;width:140px;height:140px;border-radius:50%;background:radial-gradient(circle,#fff8d6 0 35%,#ffd15a 62%,#ffa522 100%);box-shadow:0 0 90px 40px rgba(255,190,60,.55),0 0 220px 110px rgba(255,170,40,.25)}
.sol-rays{position:absolute;left:-420px;top:-420px;width:840px;height:840px;border-radius:50%;background:repeating-conic-gradient(from 0deg,rgba(255,225,130,.28) 0 4deg,transparent 4deg 15deg);-webkit-mask-image:radial-gradient(circle,#000 14%,transparent 66%);mask-image:radial-gradient(circle,#000 14%,transparent 66%);animation:sol-spin 90s linear infinite}
@keyframes sol-spin{to{transform:rotate(360deg)}}
.sol-clouds{position:absolute;left:0;top:70px;width:100%;height:300px;opacity:.16}
.sol-clouds .c1{animation:sol-drift 70s linear infinite}.sol-clouds .c2{animation:sol-drift 95s linear infinite -30s}.sol-clouds .c3{animation:sol-drift 80s linear infinite -55s}
@keyframes sol-drift{from{transform:translateX(-260px)}to{transform:translateX(1700px)}}
.sol-wind{position:absolute;left:0;top:34%;width:100%;height:36%;fill:none;stroke:rgba(255,255,255,.55);stroke-width:2.4;stroke-linecap:round;opacity:.7}
.sol-wind path{stroke-dasharray:90 1200;animation:sol-gust 6s linear infinite}
.sol-wind path:nth-child(2){animation-duration:7.5s;animation-delay:-2s}.sol-wind path:nth-child(3){animation-duration:9s;animation-delay:-4s}
@keyframes sol-gust{from{stroke-dashoffset:1290}to{stroke-dashoffset:0}}
.sol-scene{position:absolute;left:0;bottom:0;width:100%;height:68%}
.sol-scene .blades,.sol-pane .blades{animation:sol-turn var(--d,8s) linear infinite;transform-box:view-box}
@keyframes sol-turn{to{transform:rotate(360deg)}}
.sol-scene use{overflow:visible}
.sol-scene .blades{transform-box:fill-box;transform-origin:0 0}
.sol-array{position:absolute;left:-4%;bottom:-6%;width:72%;height:42%;perspective:700px;perspective-origin:50% 0}
.sol-array-in{position:absolute;inset:0;transform:rotateX(62deg) rotateZ(-7deg);transform-origin:50% 100%;background:
 linear-gradient(90deg,transparent 0 calc(100% - 2px),rgba(190,225,255,.5) 0) 0 0/calc(100%/14) 100%,
 linear-gradient(0deg,transparent 0 calc(100% - 3px),rgba(190,225,255,.5) 0) 0 0/100% calc(100%/5),
 linear-gradient(135deg,#17457a,#0b2a55 60%,#1a5a97);border:3px solid #cfe3f2;border-radius:6px;box-shadow:0 30px 60px rgba(0,0,0,.35);overflow:hidden}
.sol-array-in:after{content:"";position:absolute;top:0;bottom:0;width:30%;left:-40%;background:linear-gradient(100deg,transparent,rgba(255,240,180,.7),transparent);animation:sol-glint 5.5s ease-in-out infinite}
@keyframes sol-glint{0%,15%{left:-40%}70%,100%{left:130%}}
.sol-hero-in{position:relative}
.sol-hero-txt{max-width:640px;padding-bottom:210px}
.sol-kicker{display:inline-flex;align-items:center;gap:10px;font-size:14.5px;font-weight:600;color:#ffe9b0;margin-bottom:18px!important}
.sol-pulse{width:10px;height:10px;border-radius:50%;background:var(--sun);box-shadow:0 0 0 0 rgba(255,184,28,.7);animation:sol-ping 2s infinite}
@keyframes sol-ping{70%{box-shadow:0 0 0 12px rgba(255,184,28,0)}100%{box-shadow:0 0 0 0 rgba(255,184,28,0)}}
.sol-hero h1{font-size:clamp(34px,5.2vw,64px);line-height:1.04;font-weight:800;color:#fff;margin-bottom:20px}
.sol-lead{font-size:18px;line-height:1.65;color:#e3f1f8;max-width:540px;margin-bottom:30px!important}
.sol-cta{display:flex;flex-wrap:wrap;gap:12px}
.sol-stats-wrap{position:absolute;left:0;right:0;bottom:28px}
.sol-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin:0;background:rgba(7,28,51,.62);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.18);border-radius:18px;overflow:hidden}
.sol-stats>div{padding:18px 22px;border-left:1px solid rgba(255,255,255,.14)}.sol-stats>div:first-child{border-left:0}
.sol-stats dd{margin:0;font-family:'K2D',sans-serif;font-size:clamp(22px,2.6vw,34px);font-weight:800;color:#fff;line-height:1.1}
.sol-stats dd b{color:var(--sun)}
.sol-stats dt{font-size:13.5px;color:#bcd8e6;font-weight:500;margin-top:4px}

/* ---- khung chung ---- */
.sol-sec{padding:96px 0;background:#fff}
.sol-tint{background:var(--paper)}
.sol-dark{background:radial-gradient(60% 80% at 85% 10%,#17507c,transparent 70%),#081f38;color:#fff}
.sol-head{max-width:640px;margin-bottom:44px}
.sol-head h2,.sol-split-txt h2{font-size:clamp(28px,3.4vw,44px);line-height:1.1;font-weight:800;margin-bottom:14px}
.sol-head p,.sol-split-txt>p{font-size:17px;line-height:1.65;color:var(--mute)}
.sol-dark .sol-split-txt>p{color:#bcd8e6}
.sol-split{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:center}
.sol-split-r{grid-template-columns:.9fr 1.3fr}
.sol-ticks{list-style:none;margin:24px 0 0;padding:0;display:grid;gap:12px}
.sol-ticks li{position:relative;padding-left:30px;color:#d6e9f2;line-height:1.5}
.sol-ticks li:before{content:"";position:absolute;left:0;top:3px;width:18px;height:18px;border-radius:50%;background:var(--leaf) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 12.5 4 4 8-9'/%3E%3C/svg%3E") center/12px no-repeat}

/* ---- bảng giám sát ---- */
.sol-board{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:22px;padding:22px;box-shadow:0 40px 80px -40px rgba(0,0,0,.7)}
.sol-board-top{display:flex;justify-content:space-between;align-items:center;font-size:13px;margin-bottom:14px}
.sol-live{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:#7dffb4}
.sol-live i{width:9px;height:9px;border-radius:50%;background:#2dff86;animation:sol-ping 2s infinite}
.sol-note{color:#8fb0c4}
.sol-now{display:flex;gap:36px;flex-wrap:wrap;margin-bottom:8px}
.sol-now small,.sol-mini small{display:block;font-size:13px;color:#9fc0d3;margin-bottom:2px}
.sol-now strong{font-family:'K2D',sans-serif;font-size:clamp(28px,3.4vw,42px);font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums}
.sol-now strong span{color:var(--sun)}
#b-chart{width:100%;height:auto;display:block;overflow:visible}
.sol-legend{display:flex;gap:18px;font-size:13px;color:#bcd8e6;margin:4px 0 14px}
.sol-legend span:before{content:"";display:inline-block;width:18px;height:4px;border-radius:2px;margin-right:8px;vertical-align:middle;background:var(--sun)}.sol-legend .w:before{background:var(--wind)}
.sol-mini{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.sol-mini>div{background:rgba(255,255,255,.07);border-radius:12px;padding:12px 16px}
.sol-mini b{font-size:20px;font-weight:700;font-variant-numeric:tabular-nums}

/* ---- tab giải pháp ---- */
.sol-tabs{display:grid;grid-template-columns:300px 1fr;gap:28px;align-items:stretch}
.sol-tablist{display:flex;flex-direction:column;gap:8px}
.sol-tablist button{text-align:left;border:1px solid var(--line);background:#fff;border-radius:14px;padding:16px 18px;font:700 16.5px 'K2D','Be Vietnam Pro',sans-serif;color:var(--ink);cursor:pointer;transition:all .2s}
.sol-tablist button small{display:block;font:500 13px 'Be Vietnam Pro',sans-serif;color:var(--mute);margin-top:3px}
.sol-tablist button:hover{border-color:var(--wind)}
.sol-tablist button[aria-selected=true]{background:var(--ink);color:#fff;border-color:var(--ink);box-shadow:inset 5px 0 0 var(--sun)}
.sol-tablist button[aria-selected=true] small{color:#b8d4e4}
.sol-panes{border-radius:22px;background:linear-gradient(180deg,#d9f0f8,#f2fbfd);border:1px solid var(--line);overflow:hidden}
.sol-pane{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px;align-items:center;padding:30px;height:100%;animation:sol-in .45s ease}
.sol-pane[hidden]{display:none}
@keyframes sol-in{from{opacity:0;transform:translateX(14px)}}
.sol-pane svg{width:100%;height:auto;max-height:290px}
.sol-pane h3{font-size:24px;font-weight:800;margin-bottom:10px}
.sol-pane p{color:var(--mute);line-height:1.65;margin-bottom:18px}
.sol-pane .sunc{fill:#ffc83d}.sol-pane .wall{fill:#fff;stroke:#9bc4d4;stroke-width:2}.sol-pane .roofl{fill:none;stroke:#2c5d7c;stroke-width:6;stroke-linecap:round;stroke-linejoin:round}
.sol-pane .pan{fill:#1a4f8f;stroke:#cfe6f5;stroke-width:1.6}.sol-pane .door{fill:#c3dde8}.sol-pane .ground{stroke:#2c5d7c;stroke-width:3}
.sol-pane .hill{fill:#1c8a6a}.sol-pane .mast{fill:#2c5d7c}.sol-pane .bl{fill:#2c5d7c}
.sol-pane .blades{transform-box:view-box;animation-duration:5s}
.sol-pane .blades.slow{animation-duration:8s}
.sol-pane .cells rect{fill:#2dce7c;animation:sol-charge 3s ease-in-out infinite}.sol-pane .cells rect:nth-child(2){animation-delay:.4s}.sol-pane .cells rect:nth-child(3){animation-delay:.8s}.sol-pane .cells rect:nth-child(4){animation-delay:1.2s}
@keyframes sol-charge{50%{opacity:.35}}
.sol-spec{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:0}
.sol-spec>div{background:#fff;border-radius:12px;padding:10px 12px;border:1px solid var(--line)}
.sol-spec dt{font-size:12.5px;color:var(--mute);font-weight:500}.sol-spec dd{margin:2px 0 0;font-weight:700;font-size:14.5px}

/* ---- máy tính ---- */
.sol-calc{display:grid;grid-template-columns:1fr 1.1fr;gap:28px}
.sol-calc-in{background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px;display:grid;gap:26px;align-content:start}
.sol-seg{display:inline-grid;grid-template-columns:1fr 1fr;background:var(--sky);border-radius:999px;padding:4px;justify-self:start}
.sol-seg input{position:absolute;opacity:0;pointer-events:none}
.sol-seg span{display:block;padding:10px 22px;border-radius:999px;font-weight:700;font-size:14.5px;cursor:pointer;color:var(--ink2);transition:all .2s}
.sol-seg input:checked+span{background:var(--ink);color:#fff}
.sol-seg input:focus-visible+span{outline:3px solid var(--wind)}
.sol-range{display:block;font-weight:600;font-size:15px}
.sol-range output{float:right;font-family:'K2D',sans-serif;font-size:20px;font-weight:800;color:var(--sun2)}
.sol-range input{width:100%;margin-top:14px;-webkit-appearance:none;appearance:none;height:8px;border-radius:99px;background:linear-gradient(90deg,var(--sun) var(--f,30%),#dbe9ef var(--f,30%));outline:0}
.sol-range input::-webkit-slider-thumb{-webkit-appearance:none;width:26px;height:26px;border-radius:50%;background:#fff;border:6px solid var(--sun2);box-shadow:0 4px 12px rgba(0,0,0,.25);cursor:pointer}
.sol-range input::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:#fff;border:6px solid var(--sun2);cursor:pointer}
.sol-fine{font-size:13px;color:var(--mute);line-height:1.55}
.sol-res{background:linear-gradient(160deg,#0a2540,#124a73);color:#fff;border-radius:22px;padding:30px;display:grid;gap:22px;align-content:start}
.sol-res small{display:block;color:#a9c9dc;font-size:13px;margin-bottom:3px}
.sol-res-main strong{font-family:'K2D',sans-serif;font-size:clamp(40px,5vw,60px);font-weight:800;line-height:1;color:var(--sun);font-variant-numeric:tabular-nums}
.sol-res-main em{display:block;font-style:normal;color:#cfe3ee;margin-top:6px;font-size:14.5px}
.sol-bars{display:grid;gap:10px}
.sol-bars>div{display:grid;grid-template-columns:150px 1fr auto;gap:12px;align-items:center;font-size:13.5px;color:#d6e9f2}
.sol-bars i{height:12px;border-radius:99px;background:linear-gradient(90deg,#ff7a59,#ffb15a);width:var(--w);transition:width .5s cubic-bezier(.3,.7,.2,1)}
.sol-bars i.after{background:linear-gradient(90deg,#1fa55b,#6be2a0)}
.sol-bars b{font-variant-numeric:tabular-nums;color:#fff;min-width:96px;text-align:right}
.sol-res-row{display:grid;grid-template-columns:1fr 1fr;gap:16px 20px}
.sol-res-row b{font-size:20px;font-weight:700;font-variant-numeric:tabular-nums}
.sol-res .sol-btn{justify-self:start}

/* ---- quy trình ---- */
.sol-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:20px;position:relative;counter-reset:s}
.sol-steps:before{content:"";position:absolute;left:0;right:0;top:19px;height:4px;border-radius:2px;background:linear-gradient(90deg,var(--sun) var(--pg,0%),var(--line) var(--pg,0%))}
.sol-steps li{position:relative;padding-top:56px;counter-increment:s}
.sol-steps li:before{content:counter(s);position:absolute;left:0;top:0;width:42px;height:42px;border-radius:50%;background:#fff;border:4px solid var(--line);display:grid;place-items:center;font:800 16px 'K2D',sans-serif;color:var(--mute);transition:all .4s}
.sol-steps li.on:before{background:var(--sun);border-color:var(--sun);color:#3a1c00;box-shadow:0 0 0 8px rgba(255,184,28,.2)}
.sol-steps b{display:block;font:800 20px 'K2D',sans-serif;margin-bottom:8px}
.sol-steps p{color:var(--mute);line-height:1.6;font-size:15px}

/* ---- công trình ---- */
.sol-ledger{list-style:none;margin:0;padding:0;border-top:2px solid var(--ink)}
.sol-ledger li{display:grid;grid-template-columns:minmax(220px,1.1fr) 1.4fr 110px;gap:24px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
.sol-ledger h3{font-size:20px;font-weight:700}
.sol-ledger span{color:var(--mute);font-size:14.5px}
.sol-ledger .bar{height:14px;border-radius:99px;background:#e2eef2;overflow:hidden}
.sol-ledger .bar i{display:block;height:100%;width:0;border-radius:inherit;background:linear-gradient(90deg,var(--wind),var(--leaf) 55%,var(--sun));transition:width 1.1s cubic-bezier(.2,.7,.2,1)}
.sol-ledger li.on .bar i{width:max(var(--p),10px)}
.sol-ledger b{font:800 22px 'K2D',sans-serif;text-align:right}

/* ---- bảng thiết bị ---- */
.sol-table{width:100%;border-collapse:collapse;font-size:15px;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden}
.sol-table th,.sol-table td{padding:16px 18px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.sol-table thead th{background:var(--ink);color:#fff;font-size:13.5px;font-weight:600}
.sol-table tbody th{font-weight:700;color:var(--ink)}
.sol-table td{color:var(--mute)}
.sol-table tbody tr:hover{background:var(--paper)}
.sol-table tr:last-child>*{border-bottom:0}

/* ---- hỏi đáp ---- */
.sol-faq{max-width:860px;display:grid;gap:10px}
.sol-faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 22px}
.sol summary{cursor:pointer;list-style:none;padding:20px 30px 20px 0;font:700 18px 'K2D','Be Vietnam Pro',sans-serif;position:relative}
.sol summary::-webkit-details-marker{display:none}
.sol summary:after{content:"";position:absolute;right:2px;top:50%;width:11px;height:11px;margin-top:-8px;border-right:3px solid var(--sun2);border-bottom:3px solid var(--sun2);transform:rotate(45deg);transition:transform .25s}
.sol details[open] summary:after{transform:rotate(-135deg);margin-top:-2px}
.sol details p{padding:0 0 20px;color:var(--mute);line-height:1.7}

/* ---- CTA ---- */
.sol-cta-sec{position:relative;background:linear-gradient(180deg,#0e4a73,#071c33);color:#fff;overflow:hidden;isolation:isolate}
.sol-cta-glow{position:absolute;left:50%;top:-260px;width:900px;height:900px;margin-left:-450px;border-radius:50%;background:repeating-conic-gradient(rgba(255,210,100,.22) 0 3deg,transparent 3deg 12deg);-webkit-mask-image:radial-gradient(circle,#000,transparent 66%);mask-image:radial-gradient(circle,#000,transparent 66%);animation:sol-spin 120s linear infinite;z-index:-1}
.sol-cta-box{display:flex;gap:36px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.sol-cta-box h2{font-size:clamp(28px,3.6vw,46px);font-weight:800;line-height:1.1;max-width:640px;margin-bottom:12px;color:#fff}
.sol-cta-box p{color:#cfe3ee;font-size:17px;max-width:540px;line-height:1.6}
.sol-cta-act{display:flex;gap:12px;flex-wrap:wrap}

/* ---- responsive ---- */
@media (max-width:1100px){.sol-tabs{grid-template-columns:1fr}.sol-tablist{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:4px}.sol-tablist button{flex:1 0 190px}.sol-split,.sol-split-r,.sol-calc{grid-template-columns:1fr}}
@media (max-width:860px){.sol-pane{grid-template-columns:1fr;padding:22px}.sol-steps{grid-template-columns:1fr;gap:6px}.sol-steps:before{left:19px;right:auto;top:0;bottom:0;width:4px;height:auto;background:linear-gradient(180deg,var(--sun) var(--pg,0%),var(--line) var(--pg,0%))}.sol-steps li{padding:2px 0 22px 60px}.sol-ledger li{grid-template-columns:1fr auto;gap:10px 16px}.sol-ledger .bar{grid-column:1/-1;order:3}.sol-table{display:block;overflow-x:auto}}
@media (max-width:767px){
.sol-hero{min-height:0;padding-top:104px}
.sol-hero-txt{padding-bottom:330px}
.sol-lead{font-size:16px}
.sol-sun{right:22%;top:560px;scale:.7}
.sol-array{width:110%;height:26%}
.sol-stats{grid-template-columns:1fr 1fr}
.sol-stats>div{padding:12px 14px}.sol-stats>div:nth-child(3){border-left:0}.sol-stats>div:nth-child(n+3){border-top:1px solid rgba(255,255,255,.14)}
.sol-stats-wrap{bottom:16px}
.sol-sec{padding:64px 0}
.sol-bars>div{grid-template-columns:1fr auto}.sol-bars i{grid-column:1/-1;order:3}
.sol-spec{grid-template-columns:1fr}
.sol-calc-in,.sol-res{padding:22px}
}
@media (prefers-reduced-motion:reduce){.sol *,.sol *:before,.sol *:after{animation:none!important;transition:none!important}.sol-ledger .bar i{width:max(var(--p),10px)}}
.sol-calc{align-items:start}
.sol-split-txt .sol-btn{margin-top:26px}


/* ---- bộ lọc chung ---- */
.sol-filter{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 28px}
.sol-filter button{font:600 14.5px 'Be Vietnam Pro',sans-serif;padding:9px 18px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink2);cursor:pointer;transition:all .18s}
.sol-filter button:hover{border-color:var(--wind);color:var(--ink)}
.sol-filter button.on{background:var(--ink);border-color:var(--ink);color:#fff}
.sol-filter button:focus-visible{outline:3px solid var(--wind);outline-offset:2px}
.sol-head-row{max-width:none;display:flex;gap:24px;align-items:flex-end;justify-content:space-between;flex-wrap:wrap}
.sol-head-row>div{max-width:640px}
.sol-card[hidden],.sol-prj[hidden]{display:none}

/* ---- dịch vụ ---- */
.sol-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.sol-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:transform .25s,box-shadow .25s}
.sol-card:hover{transform:translateY(-4px);box-shadow:0 24px 40px -26px rgba(10,37,64,.5)}
.sol-card-img{position:relative;display:block;aspect-ratio:8/5;overflow:hidden;background:var(--sky)}
.sol-card-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s}
.sol-card:hover .sol-card-img img{transform:scale(1.06)}
.sol-tag{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.92);color:var(--ink);font:700 12.5px 'Be Vietnam Pro',sans-serif;padding:5px 11px;border-radius:999px}
.sol-card-b{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.sol-card h3{font-size:19px;font-weight:800;line-height:1.2}
.sol-card p{color:var(--mute);font-size:14.5px;line-height:1.6}
.sol-card dl{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:auto 0 0;padding-top:6px}
.sol-card dl>div{background:var(--paper);border-radius:10px;padding:8px 10px}
.sol-card dt{font-size:11.5px;color:var(--mute);font-weight:500}.sol-card dd{margin:1px 0 0;font-weight:700;font-size:13px}
.sol-more{font-weight:700;font-size:14.5px;color:var(--sun2)!important}
.sol-more:hover{text-decoration:underline!important}

/* ---- công trình ---- */
.sol-prjs{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.sol-prj{position:relative;margin:0;border-radius:18px;overflow:hidden;background:#0a2540;aspect-ratio:4/3}
.sol-prj img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .7s}
.sol-prj:hover img{transform:scale(1.06)}
.sol-prj:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(5,20,38,.88))}
.sol-cap{position:absolute;z-index:2;right:12px;top:12px;background:linear-gradient(135deg,var(--sun),var(--sun2));color:#3a1c00;font:800 15px 'K2D',sans-serif;padding:6px 12px;border-radius:999px}
.sol-prj figcaption{position:absolute;z-index:2;left:0;right:0;bottom:0;padding:18px;color:#fff}
.sol-prj h3{font-size:19px;font-weight:800;color:#fff;margin-bottom:3px}
.sol-prj figcaption span{font-size:13.5px;color:#d3e6f0}

/* ---- tin tức ---- */
.sol-news{display:grid;grid-template-columns:1.25fr 1fr;grid-auto-flow:dense;gap:22px 32px}
.sol-post{display:grid;grid-template-columns:200px 1fr;gap:18px;align-items:start}
.sol-post-img{display:block;border-radius:14px;overflow:hidden;aspect-ratio:8/5;background:var(--sky)}
.sol-post-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s}
.sol-post:hover .sol-post-img img{transform:scale(1.06)}
.sol-meta{display:flex;gap:12px;align-items:center;font-size:13px;color:var(--mute);margin-bottom:6px}
.sol-meta b{color:var(--leaf);font-weight:700}
.sol-post h3{font-size:18px;font-weight:800;line-height:1.25;margin-bottom:6px}
.sol-post h3 a{color:var(--ink)}.sol-post h3 a:hover{color:var(--sun2)}
.sol-post p{color:var(--mute);font-size:14.5px;line-height:1.6}
.sol-post.lead{grid-column:1;grid-row:1/4;grid-template-columns:1fr;gap:16px}
.sol-post.lead h3{font-size:clamp(24px,2.6vw,32px);line-height:1.15}
.sol-post.lead .sol-post-img{aspect-ratio:16/10}

@media (max-width:1180px){.sol-cards{grid-template-columns:repeat(2,1fr)}}
@media (max-width:991px){.sol-prjs{grid-template-columns:1fr 1fr}.sol-news{grid-template-columns:1fr}.sol-post.lead{grid-row:auto}}
@media (max-width:640px){
.sol-cards,.sol-prjs{grid-template-columns:1fr}
.sol-filter{flex-wrap:nowrap;overflow-x:auto;margin-right:-16px;padding-right:16px;scrollbar-width:none}.sol-filter button{flex:none}
.sol-post:not(.lead){grid-template-columns:120px 1fr;gap:12px}.sol-post:not(.lead) p{display:none}.sol-post h3{font-size:16px}
}