:root {
  --cadd-red: #e31e24;
  --cadd-ink: #1e1e1e;
  --cadd-muted: #5b6470;
  --cadd-line: #e6e8ec;
  --cadd-bg: #f7f7f8;
}

* { box-sizing: border-box; }

body.cadd-support {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--cadd-ink);
  background:
    radial-gradient(circle at top right, rgba(227, 30, 36, 0.08), transparent 42%),
    linear-gradient(180deg, #fff 0%, var(--cadd-bg) 100%);
  min-height: 100vh;
}

.cadd-support a { color: var(--cadd-red); text-decoration: none; }
.cadd-support a:hover { text-decoration: underline; }

.cadd-support__top {
  background: #fff;
  border-bottom: 1px solid var(--cadd-line);
}

.cadd-support__top-inner,
.cadd-support__wrap {
  width: min(960px, calc(100% - 2rem));
  margin: 0 auto;
}

.cadd-support__top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
}

.cadd-support__logo img {
  height: 42px;
  width: auto;
  display: block;
}

.cadd-support__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.1rem;
  font-size: 0.92rem;
  font-weight: 600;
}

.cadd-support__nav a { color: var(--cadd-ink); }
.cadd-support__nav a:hover,
.cadd-support__nav a.is-active { color: var(--cadd-red); text-decoration: none; }

.cadd-support__hero {
  padding: 2.25rem 0 1.25rem;
}

.cadd-support__hero h1 {
  margin: 0 0 0.65rem;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  line-height: 1.2;
  color: var(--cadd-red);
}

.cadd-support__hero p {
  margin: 0;
  max-width: 46rem;
  color: var(--cadd-muted);
  line-height: 1.6;
  font-size: 1.02rem;
}

.cadd-support__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 1.5rem;
  padding-bottom: 3rem;
}

@media (max-width: 820px) {
  .cadd-support__grid { grid-template-columns: 1fr; }
  .cadd-support__top-inner { flex-direction: column; align-items: flex-start; }
}

.cadd-support__card {
  background: #fff;
  border: 1px solid var(--cadd-line);
  border-radius: 14px;
  padding: 1.35rem 1.4rem;
  box-shadow: 0 10px 30px rgba(20, 24, 33, 0.04);
}

.cadd-support__card h2 {
  margin: 0 0 0.85rem;
  font-size: 1.15rem;
}

.cadd-support__card p,
.cadd-support__card li {
  color: var(--cadd-muted);
  line-height: 1.55;
  font-size: 0.98rem;
}

.cadd-support__card ul {
  margin: 0.4rem 0 1rem;
  padding-left: 1.15rem;
}

.cadd-support__meta {
  display: grid;
  gap: 0.7rem;
  margin: 1rem 0 1.2rem;
}

.cadd-support__meta div {
  padding: 0.75rem 0.85rem;
  border-radius: 10px;
  background: var(--cadd-bg);
}

.cadd-support__meta strong {
  display: block;
  color: var(--cadd-ink);
  margin-bottom: 0.2rem;
  font-size: 0.9rem;
}

.cadd-support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 0.85rem;
}

.cadd-support__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1rem;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.92rem;
  border: none;
  cursor: pointer;
  text-decoration: none !important;
}

.cadd-support__btn--primary {
  background: var(--cadd-red);
  color: #fff !important;
}

.cadd-support__btn--primary:hover { background: #c0151a; }

.cadd-support__btn--ghost {
  background: #fff;
  color: var(--cadd-ink) !important;
  border: 1px solid var(--cadd-line);
}

.cadd-support__note {
  margin-top: 1rem;
  padding: 0.85rem 0.95rem;
  border-left: 3px solid var(--cadd-red);
  background: rgba(227, 30, 36, 0.05);
  border-radius: 0 10px 10px 0;
  color: var(--cadd-muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.cadd-support__form .form-input,
.cadd-support__form select,
.cadd-support__form textarea {
  width: 100%;
  border: 1px solid #ddd;
  padding: 10px;
  margin-bottom: 12px;
  border-radius: 6px;
  font: inherit;
  background: #fff;
}

.cadd-support__form textarea {
  min-height: 110px;
  resize: vertical;
}

.cadd-support__form .phone-group {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
}

.cadd-support__form .code-select {
  width: 90px;
  margin-bottom: 0;
}

.cadd-support__form .mobile-input {
  flex: 1;
  margin-bottom: 0;
}

.cadd-support__form .submit-btn {
  background: var(--cadd-red);
  color: #fff;
  width: 100%;
  padding: 11px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 700;
}

.cadd-support__form .submit-btn:hover { background: #c0151a; }
.cadd-support__form .submit-btn:disabled { opacity: 0.7; cursor: wait; }

#formMessage {
  margin-top: 10px;
  min-height: 1.2em;
  font-size: 0.95rem;
}

.cadd-support__footer {
  border-top: 1px solid var(--cadd-line);
  background: #fff;
  padding: 1.1rem 0 1.4rem;
  color: var(--cadd-muted);
  font-size: 0.88rem;
}

.cadd-support__footer-inner {
  width: min(960px, calc(100% - 2rem));
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  justify-content: space-between;
}

.cadd-course-stream {
  background: #fff;
  border: 1px solid var(--cadd-line);
  border-radius: 14px;
  padding: 1.25rem 1.35rem;
  margin-bottom: 1rem;
  box-shadow: 0 10px 30px rgba(20, 24, 33, 0.04);
}

.cadd-course-stream h2 {
  margin: 0 0 0.45rem;
  color: var(--cadd-red);
  font-size: 1.2rem;
}

.cadd-course-stream > p {
  margin: 0 0 0.9rem;
  color: var(--cadd-muted);
  line-height: 1.55;
}

.cadd-course-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.cadd-course-list li {
  display: grid;
  gap: 0.15rem;
  padding: 0.7rem 0.8rem;
  border-radius: 10px;
  background: var(--cadd-bg);
}

.cadd-course-list a {
  color: var(--cadd-ink);
  text-decoration: none;
  font-weight: 700;
}

.cadd-course-list a:hover {
  color: var(--cadd-red);
}

.cadd-course-list span {
  color: var(--cadd-muted);
  font-size: 0.92rem;
  line-height: 1.45;
}