/* ============================================================================
   TRANG LẮP ĐẶT ĐIỆN MẶT TRỜI  (/lap-dat-dien-mat-troi)
   Chỉ trang này tải file. Dùng lại biến màu, bo góc, container ở style.css nên
   không khai báo lại :root - đổi màu thương hiệu ở style.css là trang này đổi theo.
   ========================================================================= */

/* ---- vài lớp dùng chung mà style.css chưa có ---- */
.section-desc { max-width: 720px; margin: 10px auto 0; color: var(--text-soft); line-height: 1.7; }
.section-head .section-desc { text-align: center; }
.btn-block { display: flex; width: 100%; justify-content: center; }
.btn-ghost-light { background: rgba(255,255,255,0.14); color: #fff; border: 1px solid rgba(255,255,255,0.45); }
.btn-ghost-light:hover { background: rgba(255,255,255,0.26); transform: translateY(-2px); }
.btn-zalo-ic { width: 20px; height: 20px; }
.form-benefits { list-style: none; padding: 0; margin: 0 0 22px; position: relative; }
.form-benefits li { display: flex; align-items: center; gap: 10px; color: #e2ecf5; margin-bottom: 10px; font-size: 0.95rem; }
.form-benefits i { color: #7ee2a8; font-size: 0.85rem; }

/* ============================ HERO ============================ */
.solar-hero {
  background: linear-gradient(150deg, var(--blue-dark) 0%, var(--blue) 55%, var(--green-dark) 100%);
  color: #fff;
  padding: calc(var(--header-h) + 44px) 0 34px;
  position: relative;
  overflow: hidden;
}
.solar-hero::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(circle at 88% 6%, rgba(255,213,79,0.28), transparent 46%),
    radial-gradient(circle at 4% 82%, rgba(45,110,163,0.22), transparent 45%);
}
.solar-hero .container { position: relative; }
.solar-hero .breadcrumb { color: rgba(255,255,255,0.82); margin-bottom: 16px; font-size: 0.9rem; }
.solar-hero .breadcrumb a { color: #fff; }
.solar-hero .breadcrumb i { font-size: 0.7rem; margin: 0 4px; opacity: 0.7; }
.solar-hero h1 { color: #fff; font-size: clamp(1.9rem, 4.2vw, 3rem); line-height: 1.18; margin: 0 0 14px; max-width: 900px; }
.solar-hero-sub { color: #dbe7f5; max-width: 760px; line-height: 1.75; margin: 0 0 26px; font-size: 1.03rem; }
.solar-hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 42px; }

/* ---- quả địa cầu + dãy số tổng quan ----
   Một thẻ canvas phủ kín khối vẽ quả cầu chấm và các cung nối; các ô số là HTML
   thật nằm đè lên trên (z-index 1) nên vẫn bôi đen copy được và trình đọc màn
   hình vẫn đọc được. Canvas gắn aria-hidden vì nó chỉ là trang trí. */
.globe-stage {
  position: relative; display: flex; align-items: center; justify-content: center;
  gap: clamp(6px, 1.6vw, 26px); padding: 10px 0 6px;
}
.globe-canvas { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.globe-col {
  position: relative; z-index: 1; flex: 1 1 0; min-width: 0; max-width: 250px;
  display: flex; flex-direction: column; justify-content: center; gap: 12px;
}
.globe-mid {
  position: relative; z-index: 1; flex: 0 0 auto;
  width: min(450px, 38vw); height: min(450px, 38vw);
  display: flex; align-items: center; justify-content: center;
}
.globe-core {
  text-align: center; max-width: 90%; padding: 13px 20px 11px;
  border-radius: 18px; background: rgba(4,26,48,0.42);
  border: 1px solid rgba(255,255,255,0.17); backdrop-filter: blur(6px);
}
.gc-top { display: block; font-size: 0.8rem; color: rgba(255,255,255,0.8); letter-spacing: 0.02em; }
.gc-top i { color: #ffd54f; margin-right: 5px; }
.globe-big {
  display: block; margin-top: 4px;
  font-family: 'Sora', 'Montserrat', sans-serif; font-weight: 800;
  font-size: clamp(1.45rem, 3vw, 2.5rem); line-height: 1.12; color: #fff;
  font-variant-numeric: tabular-nums; text-shadow: 0 2px 16px rgba(0,0,0,0.45);
}
.globe-live { display: inline-flex; align-items: center; gap: 6px; margin-top: 5px; font-size: 0.74rem; color: rgba(255,255,255,0.72); }
.globe-live b { width: 7px; height: 7px; border-radius: 50%; background: #7ee2a8; animation: globeNhay 2s infinite; }
/* .globe-live là inline-flex nên thuộc tính hidden của HTML không ăn, phải nói rõ. */
.globe-live[hidden] { display: none; }
/* Ô lõi chỉ rộng chừng 230px nên dòng đêm phải được phép xuống hàng: hàng trên
   là biểu tượng + chữ, hàng dưới là con số. Cấm bẻ chữ giữa chừng bằng nowrap. */
.gl-dem { flex-wrap: wrap; justify-content: center; gap: 1px 6px; }
.gl-dem i { font-size: 0.78rem; color: #ffd54f; }
.gl-dem .gl-chu, .gl-dem .gl-so { white-space: nowrap; }
/* Số trong dòng ban đêm nằm chung một hàng chữ nên phải gỡ display:block và cỡ
   chữ to mà .counter-value đặt sẵn cho các ô vệ tinh. */
.gl-dem .gl-so { display: inline; font-size: 0.82rem; font-weight: 700; color: #fff; }
@keyframes globeNhay { 0%, 100% { opacity: 1; } 50% { opacity: 0.25; } }
.globe-card {
  position: relative; z-index: 1; display: flex; align-items: center; gap: 10px;
  padding: 10px 13px; border-radius: 14px;
  background: rgba(255,255,255,0.10); border: 1px solid rgba(255,255,255,0.18);
  backdrop-filter: blur(4px);
}
.globe-card i { font-size: 1.05rem; flex: 0 0 auto; }
.globe-card.c-amber i { color: #ffd54f; }
.globe-card.c-green i { color: #7ee2a8; }
.globe-card.c-blue  i { color: #7cc7ff; }
.globe-card.c-teal  i { color: #6fe3d2; }
.globe-card.c-red   i { color: #ff9a9a; }
.globe-card.c-leaf  i { color: #b6f36b; }
.gc-txt { min-width: 0; }
.counter-value {
  display: block; font-family: 'Sora', 'Montserrat', sans-serif;
  font-size: clamp(1.05rem, 1.5vw, 1.45rem); font-weight: 800; color: #fff;
  line-height: 1.2; font-variant-numeric: tabular-nums;
}
/* Ô tiền lúc tự chạy phải hiện đủ số đồng nên dài hơn hẳn các ô kia; thu nhỏ
   một nấc cho vừa bề ngang ô. .counter-value đã có tabular-nums nên bề rộng
   không giật theo từng chữ số đang quay. */
.counter-value.dai { font-size: clamp(0.86rem, 1.1vw, 1.05rem); }
.globe-card .counter-value { font-size: clamp(0.95rem, 1.25vw, 1.2rem); }
.counter-label { display: block; margin-top: 3px; font-size: 0.77rem; color: rgba(255,255,255,0.8); line-height: 1.3; }
/* ---- dải ngày tháng + thời tiết ----
   Nằm trên nền gradient tối của hero nên chữ sáng, độ mờ thấp. Ngày tháng hiện ngay
   không cần mạng; các thành phố chỉ gắn thêm khi máy chủ trả về thời tiết. */
.solar-meteo {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: 6px 14px; margin: 0 0 20px;
  font-size: 0.88rem; color: rgba(255,255,255,0.85);
}
.meteo-date { font-weight: 600; }
.meteo-cities {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: 6px 14px;
}
.meteo-city { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.meteo-city::before { content: '·'; opacity: 0.45; margin-right: 8px; }
.meteo-city i { font-size: 0.95em; opacity: 0.9; }
.meteo-city b { color: #fff; font-weight: 700; }
.meteo-city em { font-style: normal; opacity: 0.75; }
/* Ghi nguồn là điều kiện bắt buộc của giấy phép OpenWeather khi dùng bản miễn
   phí. Để nhỏ và mờ được, nhưng phải nhìn thấy - đừng đặt display:none. */
.meteo-credit {
  flex-basis: 100%; text-align: center; margin-top: 2px;   /* luôn nằm riêng một dòng */
  font-size: 0.7rem; color: rgba(255,255,255,0.5); text-decoration: none;
}
.meteo-credit span { border-bottom: 1px dotted rgba(255,255,255,0.28); }
.meteo-credit:hover { color: rgba(255,255,255,0.85); }

@media (max-width: 560px) {
  .solar-meteo { font-size: 0.8rem; gap: 4px 10px; }
  .meteo-city::before { margin-right: 6px; }
  .meteo-credit { font-size: 0.65rem; }
}


/* ============================ MÁY TÍNH ============================ */
.calc-wrap { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 28px; align-items: start; }

.calc-inputs {
  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.calc-step { position: relative; padding-left: 44px; margin-bottom: 30px; }
.calc-step:last-child { margin-bottom: 0; }
.calc-step-no {
  position: absolute; left: 0; top: -2px;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--green); color: #fff;
  display: grid; place-items: center;
  font-weight: 800; font-size: 0.9rem; font-family: 'Sora', sans-serif;
}
.calc-step-adv { padding-left: 0; border-top: 1px dashed var(--border); padding-top: 22px; }
.calc-label { display: block; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.calc-hint { font-size: 0.85rem; color: var(--text-muted); margin: 8px 0 0; }
.calc-select { width: 100%; }

/* nút chọn cách nhập */
.calc-mode { display: inline-flex; background: #fff; border: 1px solid var(--border); border-radius: 999px; padding: 3px; margin-bottom: 14px; }
.calc-mode-btn {
  border: 0; background: transparent; cursor: pointer;
  padding: 7px 16px; border-radius: 999px;
  font: inherit; font-size: 0.86rem; color: var(--text-soft);
  transition: all var(--transition);
}
.calc-mode-btn.active { background: var(--green); color: #fff; font-weight: 600; }

.calc-amount {
  display: flex; align-items: baseline; gap: 8px;
  background: #fff; border: 2px solid var(--green-light); border-radius: var(--radius);
  padding: 12px 16px; margin-bottom: 14px;
}
.calc-amount-input {
  border: 0; outline: none; background: transparent; width: 100%;
  font-family: 'Sora', sans-serif; font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 800; color: var(--green-dark); font-variant-numeric: tabular-nums;
}
.calc-amount-unit { color: var(--text-muted); font-size: 0.9rem; white-space: nowrap; }

.calc-range { width: 100%; accent-color: var(--green); height: 22px; cursor: pointer; }
.calc-range-ends { display: flex; justify-content: space-between; font-size: 0.78rem; color: var(--text-muted); margin-top: 2px; }

.calc-quick { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.quick-btn {
  border: 1px solid var(--border); background: #fff; cursor: pointer;
  border-radius: 999px; padding: 6px 14px; font: inherit; font-size: 0.83rem;
  color: var(--text-soft); transition: all var(--transition);
}
.quick-btn:hover { border-color: var(--blue-light); color: var(--blue); background: #eef4fa; }

/* chọn loại hệ */
.calc-type { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.calc-type-btn {
  text-align: left; cursor: pointer; font: inherit;
  background: #fff; border: 2px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px; transition: all var(--transition);
}
.calc-type-btn i { font-size: 1.2rem; color: var(--text-muted); display: block; margin-bottom: 8px; }
.calc-type-btn strong { display: block; color: var(--text); margin-bottom: 4px; font-size: 0.98rem; }
.calc-type-btn small { display: block; color: var(--text-muted); font-size: 0.79rem; line-height: 1.45; }
.calc-type-btn:hover { border-color: var(--blue-light); }
.calc-type-btn.active { border-color: var(--blue); background: #eef4fa; }
.calc-type-btn.active i, .calc-type-btn.active strong { color: var(--blue); }

/* nhập tay công suất */
.calc-kwp { display: flex; align-items: center; gap: 10px; }
.calc-kwp-btn {
  width: 40px; height: 40px; flex: none; cursor: pointer; font: inherit; font-size: 1.2rem;
  border: 1px solid var(--border); background: #fff; border-radius: 10px; color: var(--text-soft);
  transition: all var(--transition);
}
.calc-kwp-btn:hover { border-color: var(--green); color: var(--green-dark); }
.calc-kwp-input {
  width: 100px; text-align: center; padding: 9px 6px;
  border: 1px solid var(--border); border-radius: 10px; font: inherit;
  font-family: 'Sora', sans-serif; font-weight: 700; font-size: 1.05rem; color: var(--green-dark);
}
.calc-kwp-unit { color: var(--text-muted); font-size: 0.9rem; }
.calc-reset {
  border: 0; background: none; cursor: pointer; padding: 10px 0 0;
  font: inherit; font-size: 0.84rem; color: var(--green-dark); text-decoration: underline;
}
.calc-reset:hover { color: var(--green); }

/* ---- cột kết quả ---- */
.calc-results {
  background: #fff; border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg); padding: 28px;
  box-shadow: var(--shadow-lg);
  position: sticky; top: calc(var(--header-h) + 16px);
}
.calc-error { color: var(--red-dark); background: #fef2f2; border-radius: var(--radius); padding: 18px; margin: 0; }

.calc-headline {
  text-align: center; padding-bottom: 20px; margin-bottom: 20px;
  border-bottom: 1px dashed var(--border);
}
.calc-headline-label { font-size: 0.85rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; }
.calc-headline-value { display: flex; align-items: baseline; justify-content: center; gap: 8px; margin-top: 4px; }
.calc-headline-value strong {
  font-family: 'Sora', sans-serif; font-size: clamp(2.4rem, 6vw, 3.4rem); font-weight: 800;
  line-height: 1; color: var(--green-dark); font-variant-numeric: tabular-nums;
}
.calc-headline-value span { font-size: 1.1rem; color: var(--text-soft); font-weight: 600; }
.calc-headline-sub { margin: 8px 0 0; font-size: 0.88rem; color: var(--text-soft); }

.calc-metrics { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 20px; }
.calc-metric {
  background: var(--bg-soft); border-radius: var(--radius); padding: 14px;
  display: grid; grid-template-columns: 26px 1fr; grid-template-rows: auto auto;
  column-gap: 8px; align-items: center;
}
.calc-metric i { grid-row: 1 / 3; color: var(--green); font-size: 1.05rem; }
.cm-label { font-size: 0.78rem; color: var(--text-muted); }
.cm-value { font-size: 1rem; color: var(--text); font-weight: 700; font-variant-numeric: tabular-nums; }

.calc-money { display: grid; gap: 10px; margin-bottom: 18px; }
.cmoney {
  border-radius: var(--radius); padding: 14px 16px;
  display: grid; grid-template-columns: 1fr auto; align-items: baseline; column-gap: 12px;
}
.cmoney-label { font-size: 0.88rem; font-weight: 600; }
.cmoney-value { font-family: 'Sora', sans-serif; font-size: 1.25rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.cmoney-sub { grid-column: 1 / 3; font-size: 0.76rem; opacity: 0.8; margin-top: 3px; }
.cmoney-save    { background: #ecfdf3; color: var(--green-dark); }
.cmoney-cost    { background: #f4f6f8; color: var(--text); }
.cmoney-payback { background: #fff7ed; color: #b45309; }

.calc-lifetime { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 18px; }
.calc-lifetime > div {
  border: 1px dashed var(--border); border-radius: var(--radius); padding: 12px 14px; text-align: center;
}
.calc-lifetime span { display: block; font-size: 0.78rem; color: var(--text-muted); margin-bottom: 4px; }
.calc-lifetime strong { font-family: 'Sora', sans-serif; font-size: 1.05rem; color: var(--green-dark); }

.calc-match { background: #f0fdf4; border: 1px solid #bbf7d0; border-radius: var(--radius); padding: 12px 14px; margin-bottom: 16px; }
.cm-tag { font-size: 0.76rem; color: var(--green-dark); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }
.cm-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 6px; }
.cm-row b { color: var(--text); }
.cm-row span { color: var(--green-dark); font-weight: 700; }
.cm-row a { margin-left: auto; font-size: 0.85rem; color: var(--blue); text-decoration: underline; }

.calc-disclaimer { font-size: 0.78rem; color: var(--text-muted); line-height: 1.6; margin: 14px 0 0; }
.calc-disclaimer i { color: #d97706; margin-right: 4px; }

/* ============================ BẢNG GIÁ GÓI ============================ */
.pkg-filter { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-bottom: 28px; }
.pkg-filter-btn {
  border: 1px solid var(--border); background: #fff; cursor: pointer; font: inherit;
  padding: 9px 22px; border-radius: 999px; color: var(--text-soft); transition: all var(--transition);
}
.pkg-filter-btn:hover { border-color: var(--green-light); color: var(--green-dark); }
.pkg-filter-btn.active { background: var(--green); border-color: var(--green); color: #fff; font-weight: 600; }

.pkg-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 22px; }
.pkg-empty { grid-column: 1 / -1; text-align: center; color: var(--text-muted); padding: 40px 0; }

.pkg-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 24px; display: flex; flex-direction: column; gap: 16px;
  position: relative; transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
  scroll-margin-top: calc(var(--header-h) + 20px);
}
.pkg-card:hover { border-color: var(--green-light); box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.pkg-card.pkg-hot { border-color: var(--green); }
.pkg-card.pkg-flash { animation: pkgFlash 1.5s ease; }
@keyframes pkgFlash {
  0%, 100% { box-shadow: var(--shadow); }
  25%, 75% { box-shadow: 0 0 0 4px rgba(22,163,74,0.35); }
}
.pkg-badge {
  position: absolute; top: -11px; right: 20px;
  background: var(--red); color: #fff; font-size: 0.74rem; font-weight: 700;
  padding: 5px 12px; border-radius: 999px; letter-spacing: 0.02em;
}
.pkg-head h3 { font-size: 1.15rem; margin: 8px 0 6px; color: var(--text); }
.pkg-type { font-size: 0.72rem; font-weight: 700; padding: 3px 9px; border-radius: 6px; text-transform: uppercase; letter-spacing: 0.04em; }
.pkg-type-ongrid  { background: #e0f2fe; color: #075985; }
.pkg-type-hybrid  { background: #ede9fe; color: #5b21b6; }
.pkg-type-offgrid { background: #fef3c7; color: #92400e; }
.pkg-cap { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; color: var(--text-soft); }
.pkg-cap b { font-family: 'Sora', sans-serif; font-size: 1.7rem; color: var(--green-dark); }
.pkg-batt { font-size: 0.84rem; color: #5b21b6; background: #f5f3ff; padding: 3px 9px; border-radius: 6px; }

.pkg-price { border-top: 1px dashed var(--border); border-bottom: 1px dashed var(--border); padding: 14px 0; }
.pkg-price strong { display: block; font-family: 'Sora', sans-serif; font-size: 1.55rem; color: var(--red-dark); line-height: 1.2; }
.pkg-price strong.pkg-call { font-size: 1.25rem; color: var(--blue); }
.pkg-price small { display: block; font-size: 0.79rem; color: var(--text-muted); margin-top: 3px; }
.pkg-note { display: block; font-size: 0.74rem; color: #b45309; background: #fffbeb; border-radius: 6px; padding: 4px 8px; margin-top: 8px; font-style: normal; }

.pkg-est { display: grid; gap: 8px; }
.pkg-est > div { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; font-size: 0.86rem; }
.pkg-est span { color: var(--text-muted); }
.pkg-est b { color: var(--text); font-variant-numeric: tabular-nums; }
.pkg-est b.pkg-save { color: var(--green-dark); }

.pkg-detail { border-top: 1px dashed var(--border); padding-top: 12px; }
.pkg-detail > summary {
  cursor: pointer; list-style: none; font-size: 0.87rem; font-weight: 600; color: var(--blue);
  display: flex; align-items: center; gap: 6px;
}
.pkg-detail > summary::-webkit-details-marker { display: none; }
.pkg-detail > summary::after { content: '\f078'; font-family: 'Font Awesome 6 Free'; font-weight: 900; font-size: 0.7rem; transition: transform var(--transition); }
.pkg-detail[open] > summary::after { transform: rotate(180deg); }
.pkg-specs { list-style: none; padding: 0; margin: 14px 0 0; display: grid; gap: 9px; }
.pkg-specs li { display: grid; grid-template-columns: 20px 1fr auto; gap: 8px; align-items: baseline; font-size: 0.84rem; }
.pkg-specs i { color: var(--green); font-size: 0.8rem; }
.pkg-specs span { color: var(--text-muted); }
.pkg-specs b { color: var(--text); text-align: right; font-weight: 600; }
.pkg-feats { list-style: none; padding: 0; margin: 14px 0 0; display: grid; gap: 7px; }
.pkg-feats li { display: flex; gap: 8px; font-size: 0.84rem; color: var(--text-soft); line-height: 1.5; }
.pkg-feats i { color: var(--green); font-size: 0.75rem; margin-top: 4px; }

.pkg-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: auto; }
.pkg-actions .btn { padding: 10px 8px; font-size: 0.85rem; justify-content: center; }

/* ============================ BIỂU ĐỒ 24H ============================ */
.chart-legend { display: flex; justify-content: center; flex-wrap: wrap; gap: 20px; margin-bottom: 24px; font-size: 0.85rem; color: var(--text-soft); }
.chart-legend span { display: inline-flex; align-items: center; gap: 7px; }
.lg { width: 14px; height: 14px; border-radius: 4px; display: inline-block; }
.lg-solar { background: transparent; border: 2px solid #f59e0b; }
.lg-self  { background: #22c55e; }
.lg-batt  { background: #38bdf8; }
.lg-grid  { background: #f87171; }

.chart-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.chart-card { margin: 0; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 22px; }
.chart-card figcaption h3 { font-size: 1.05rem; margin: 0 0 5px; color: var(--text); }
.chart-card figcaption p { font-size: 0.85rem; color: var(--text-muted); margin: 0 0 14px; line-height: 1.55; }
.chart-box { width: 100%; }
.ch-svg { width: 100%; height: 230px; display: block; }
.ch-grid { stroke: #e5e7eb; stroke-width: 1; }
.ch-ylab, .ch-xlab, .ch-unit { fill: #9ca3af; font-size: 10px; font-family: inherit; }
.ch-ylab { text-anchor: end; }
.ch-xlab { text-anchor: middle; }
.ch-a-self { fill: #22c55e; fill-opacity: 0.85; }
.ch-a-batt { fill: #38bdf8; fill-opacity: 0.85; }
.ch-a-grid { fill: #f87171; fill-opacity: 0.75; }
.ch-l-solar { fill: none; stroke: #f59e0b; stroke-width: 2.5; stroke-linejoin: round; }
.ch-l-load { fill: none; stroke: #374151; stroke-width: 1.2; stroke-dasharray: 4 3; opacity: 0.55; }

.chart-foot { margin-top: 14px; }
.cf-bar { height: 8px; border-radius: 999px; background: #fee2e2; overflow: hidden; margin-bottom: 10px; }
.cf-bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--green-light), var(--green-dark)); border-radius: 999px; transition: width 0.6s ease; }
.chart-foot p { margin: 0; font-size: 0.87rem; color: var(--text-soft); line-height: 1.55; }
.chart-foot p b { color: var(--green-dark); }
.chart-foot .cf-sub { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }
.chart-foot .cf-sub b { color: var(--red-dark); }

.chart-howto { max-width: 860px; margin: 26px auto 0; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-soft); }
.chart-howto > summary { cursor: pointer; padding: 14px 18px; font-weight: 600; color: var(--blue); font-size: 0.92rem; }
.chart-howto-body { padding: 0 18px 18px; font-size: 0.88rem; color: var(--text-soft); line-height: 1.75; }
.chart-howto-body p { margin: 0; }

/* ============================ BỨC XẠ THEO TỈNH ============================ */
.pv-search { position: relative; max-width: 460px; margin: 0 auto 18px; }
.pv-search > i { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); color: var(--text-muted); }
.pv-search input {
  width: 100%; padding: 12px 42px; border: 1px solid var(--border); border-radius: 999px;
  font: inherit; background: #fff; transition: border-color var(--transition), box-shadow var(--transition);
}
.pv-search input:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 3px rgba(22,163,74,0.14); }
.pv-search-clear {
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  width: 28px; height: 28px; border: 0; background: transparent; cursor: pointer;
  color: var(--text-muted); border-radius: 50%;
}
.pv-search-clear:hover { background: var(--border-soft); color: var(--text); }

.pv-region { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.pv-region-btn {
  border: 1px solid var(--border); background: #fff; cursor: pointer; font: inherit; font-size: 0.85rem;
  padding: 7px 16px; border-radius: 999px; color: var(--text-soft); transition: all var(--transition);
}
.pv-region-btn:hover { border-color: var(--green-light); color: var(--green-dark); }
.pv-region-btn.active { background: var(--green); border-color: var(--green); color: #fff; font-weight: 600; }

.pv-table-wrap { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow-x: auto; }
.pv-table { width: 100%; border-collapse: collapse; min-width: 640px; }
.pv-table th, .pv-table td { padding: 12px 18px; text-align: left; border-bottom: 1px solid var(--border-soft); font-size: 0.9rem; }
.pv-table th { background: var(--bg-soft); font-size: 0.79rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-muted); font-weight: 700; white-space: nowrap; }
.pv-table tbody tr:last-child td { border-bottom: 0; }
.pv-table tbody tr:hover { background: #f7fafd; }
.pv-table tr.pv-active { background: #eef4fa; }
.pv-name { font-weight: 600; color: var(--text); }
.pv-table td b { color: var(--green-dark); font-variant-numeric: tabular-nums; }
.pv-tag { font-size: 0.7rem; font-weight: 600; color: var(--green-dark); background: #dcfce7; padding: 2px 8px; border-radius: 999px; margin-left: 6px; }
.pv-col-act { text-align: right; white-space: nowrap; }
.pv-pick {
  border: 1px solid var(--border); background: #fff; cursor: pointer; font: inherit; font-size: 0.8rem;
  padding: 5px 12px; border-radius: 999px; color: var(--blue); transition: all var(--transition);
}
.pv-pick:hover { background: var(--green); border-color: var(--green); color: #fff; }
.pv-empty { text-align: center; color: var(--text-muted); padding: 34px 0; margin: 0; }
.pv-note { font-size: 0.8rem; color: var(--text-muted); margin: 14px 0 0; text-align: center; }

/* ============================ DỰ ÁN TIÊU BIỂU ============================ */
.solar-proj-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
.sp-card { display: block; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; transition: all var(--transition); }
.sp-card:hover { border-color: var(--green-light); box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.sp-thumb { position: relative; aspect-ratio: 16 / 10; background: var(--bg-soft); display: grid; place-items: center; overflow: hidden; }
.sp-thumb img { width: 100%; height: 100%; object-fit: cover; }
.sp-thumb > i { font-size: 2.2rem; color: var(--green-light); }
.sp-cap { position: absolute; left: 12px; bottom: 12px; background: rgba(13,40,66,0.85); color: #fff; font-size: 0.76rem; font-weight: 600; padding: 4px 11px; border-radius: 999px; }
.sp-body { padding: 16px 18px; }
.sp-body h3 { font-size: 1rem; margin: 0 0 6px; color: var(--text); line-height: 1.4; }
.sp-body p { margin: 0; font-size: 0.83rem; color: var(--text-muted); }
.sp-body i { color: var(--green); margin-right: 5px; }

/* ============================ CON SỐ TIN CẬY ============================ */
.trust-band { background: var(--bg-dark); padding: 46px 0; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.trust-item strong { display: block; font-family: 'Sora', sans-serif; font-size: clamp(1.6rem, 3.4vw, 2.4rem); font-weight: 800; color: #fcd34d; font-variant-numeric: tabular-nums; }
.trust-item span { display: block; margin-top: 6px; font-size: 0.85rem; color: rgba(255,255,255,0.78); }

/* ============================ ĐÁNH GIÁ ============================ */
.tm-viewport { position: relative; }
.tm-track {
  display: flex; gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory;
  padding: 4px 2px 12px; scrollbar-width: none;
}
.tm-track::-webkit-scrollbar { display: none; }
.tm-card {
  flex: 0 0 calc((100% - 40px) / 3); scroll-snap-align: start;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px;
  display: flex; flex-direction: column; gap: 14px;
}
.tm-stars { color: #f59e0b; font-size: 0.85rem; letter-spacing: 2px; }
.tm-card blockquote { margin: 0; font-size: 0.92rem; line-height: 1.75; color: var(--text-soft); flex: 1; }
.tm-card blockquote::before { content: '\201C'; font-size: 2rem; line-height: 0; color: var(--green-light); vertical-align: -0.4em; margin-right: 3px; }
.tm-card footer { display: flex; align-items: center; gap: 12px; border-top: 1px solid var(--border-soft); padding-top: 14px; }
.tm-ava {
  width: 44px; height: 44px; flex: none; border-radius: 50%; overflow: hidden;
  background: var(--green); color: #fff; display: grid; place-items: center;
  font-family: 'Sora', sans-serif; font-weight: 700;
}
.tm-ava img { width: 100%; height: 100%; object-fit: cover; }
.tm-card footer b { display: block; font-size: 0.92rem; color: var(--text); }
.tm-card footer small { display: block; font-size: 0.79rem; color: var(--text-muted); margin-top: 2px; }

.tm-nav {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 2;
  width: 42px; height: 42px; border-radius: 50%; cursor: pointer;
  border: 1px solid var(--border); background: #fff; color: var(--text-soft);
  box-shadow: var(--shadow); transition: all var(--transition);
}
.tm-nav:hover { background: var(--green); border-color: var(--green); color: #fff; }
.tm-prev { left: -18px; }
.tm-next { right: -18px; }
.tm-dots { display: flex; justify-content: center; gap: 8px; margin-top: 16px; }
.tm-dot { width: 9px; height: 9px; border-radius: 50%; border: 0; cursor: pointer; background: var(--border); padding: 0; transition: all var(--transition); }
.tm-dot.active { background: var(--green); width: 26px; border-radius: 999px; }

/* ============================ CHỨNG NHẬN ============================ */
.cert-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 20px; }
.cert-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px 20px; text-align: center; transition: all var(--transition); }
.cert-card:hover { border-color: var(--green-light); box-shadow: var(--shadow); }
.cert-ic { height: 74px; display: grid; place-items: center; margin-bottom: 14px; }
.cert-ic i { font-size: 2.3rem; color: var(--green); }
.cert-ic img { max-width: 100%; max-height: 74px; object-fit: contain; }
.cert-card h3 { font-size: 0.95rem; margin: 0 0 6px; color: var(--text); line-height: 1.45; }
.cert-by { font-size: 0.8rem; color: var(--text-soft); margin: 0 0 4px; }
.cert-no { font-size: 0.78rem; color: var(--text-muted); margin: 0; font-variant-numeric: tabular-nums; }
.cert-dt { font-size: 0.76rem; color: var(--text-muted); margin: 4px 0 0; }

/* ============================ BÁO CHÍ ============================ */
.press-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.pr-card { display: block; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; transition: all var(--transition); }
a.pr-card:hover { border-color: var(--green-light); box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.pr-thumb { position: relative; aspect-ratio: 16 / 9; background: var(--bg-soft); overflow: hidden; }
.pr-thumb img { width: 100%; height: 100%; object-fit: cover; }
.pr-thumb i {
  position: absolute; inset: 0; margin: auto; width: 48px; height: 48px;
  background: rgba(225,29,46,0.92); color: #fff; border-radius: 50%;
  display: grid; place-items: center; font-size: 1rem; padding-left: 3px;
}
.pr-body { padding: 16px 18px; }
.pr-ch { display: inline-block; font-size: 0.75rem; font-weight: 700; color: var(--blue); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 7px; }
.pr-ch img { height: 22px; width: auto; display: block; }
.pr-body h3 { font-size: 0.97rem; margin: 0 0 6px; color: var(--text); line-height: 1.45; }
.pr-body time { font-size: 0.78rem; color: var(--text-muted); }

/* ============================ HỎI ĐÁP NHANH ============================ */
/* Dùng thẻ <details> nên đặt tên lớp riêng, không đụng vào .faq-item của trang /hoi-dap */
.faq-accordion { max-width: 860px; margin: 0 auto; display: grid; gap: 12px; }
.sfaq { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); transition: border-color var(--transition), box-shadow var(--transition); }
.sfaq[open] { border-color: var(--green); box-shadow: var(--shadow); }
.sfaq > summary {
  cursor: pointer; list-style: none; padding: 17px 52px 17px 20px;
  font-weight: 600; color: var(--text); position: relative; line-height: 1.5;
}
.sfaq > summary::-webkit-details-marker { display: none; }
.sfaq > summary::after {
  content: '\f078'; font-family: 'Font Awesome 6 Free'; font-weight: 900; font-size: 0.8rem;
  position: absolute; right: 20px; top: 50%; transform: translateY(-50%);
  color: var(--text-muted); transition: transform var(--transition), color var(--transition);
}
.sfaq[open] > summary { color: var(--green-dark); }
.sfaq[open] > summary::after { transform: translateY(-50%) rotate(180deg); color: var(--green); }
.sfaq > summary:hover { color: var(--green-dark); }
.sfaq-a { border-top: 1px solid var(--border-soft); padding: 16px 20px 20px; }
.sfaq-a p { margin: 0; color: var(--text-soft); line-height: 1.75; font-size: 0.93rem; }

/* ============================ FORM BÁO GIÁ ============================ */
.form-calc-summary { background: #f0fdf4; border: 1px solid #bbf7d0; border-radius: var(--radius); padding: 12px 14px; margin-bottom: 16px; }
.fcs-title { font-size: 0.76rem; font-weight: 700; color: var(--green-dark); text-transform: uppercase; letter-spacing: 0.04em; }
.form-calc-summary p { margin: 5px 0 0; font-size: 0.87rem; color: var(--text); line-height: 1.55; }

/* ============================ MÀN HÌNH NHỎ ============================ */
@media (max-width: 1180px) {
  .globe-col { max-width: 210px; }
  .globe-mid { width: min(360px, 34vw); height: min(360px, 34vw); }
  .tm-prev { left: 4px; }
  .tm-next { right: 4px; }
}
@media (max-width: 980px) {
  /* Hết chỗ xếp hai bên thì đưa quả cầu lên trên, năm ô số xuống dưới thành
     lưới 2 cột. Các cung nối tự tắt vì lúc này ô số không còn nằm ngang quả cầu
     nữa - phần lọc neo nằm trong solar.js, không phải sửa gì thêm ở đây. */
  .globe-stage { flex-direction: column; gap: 16px; padding-top: 4px; }
  .globe-mid { order: -1; width: min(300px, 58vw); height: min(300px, 58vw); }
  .globe-col { flex: 0 0 auto; width: 100%; max-width: 560px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .gl-r .globe-card:nth-child(3) { grid-column: 1 / -1; }
  .calc-wrap { grid-template-columns: 1fr; }
  .calc-results { position: static; }
  .chart-pair { grid-template-columns: 1fr; }
  .tm-card { flex-basis: calc((100% - 20px) / 2); }
}
@media (max-width: 700px) {
  .solar-hero { padding-top: calc(var(--header-h) + 28px); }
  .solar-hero-cta .btn { flex: 1 1 100%; justify-content: center; }
  .globe-mid { width: min(250px, 64vw); height: min(250px, 64vw); }
  .globe-card { padding: 9px 11px; gap: 8px; border-radius: 12px; }
  .globe-core { padding: 11px 15px 9px; }
  .calc-inputs, .calc-results { padding: 20px 18px; }
  .calc-step { padding-left: 38px; }
  .calc-metrics { grid-template-columns: 1fr; }
  .calc-type { grid-template-columns: 1fr; }
  .calc-lifetime { grid-template-columns: 1fr; }
  .pkg-actions { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .tm-card { flex-basis: calc(100% - 8px); }
  .tm-nav { display: none; }
  .chart-card { padding: 18px 14px; }
}

/* Người dùng đã tắt hiệu ứng chuyển động trong hệ điều hành */
@media (prefers-reduced-motion: reduce) {
  .pkg-card:hover, .sp-card:hover, a.pr-card:hover { transform: none; }
  .cf-bar span { transition: none; }
  .pkg-card.pkg-flash { animation: none; }
  .tm-track { scroll-behavior: auto; }
}