/* ===========================================
   Freelance 接单页 — 独立样式
   =========================================== */

/* ======= HERO ======= */
.fl-hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
  padding: 120px 24px 80px;
  text-align: center;
}
.fl-hero__content {
  position: relative; z-index: 1;
  max-width: 800px;
  display: flex; flex-direction: column; align-items: center;
}
.fl-hero__headline {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -.03em;
  margin-bottom: 20px;
}
.fl-hero__sub {
  font-size: 1.05rem;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 32px;
}

/* Trust bar */
.fl-trust {
  display: flex; align-items: center; gap: 24px;
  margin-top: 48px;
  padding: 20px 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.fl-trust__item {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
}
.fl-trust__num {
  font-size: 1.3rem; font-weight: 700; color: var(--accent);
  font-family: var(--font);
}
.fl-trust__label {
  font-size: .72rem; color: var(--text-3);
}
.fl-trust__divider {
  width: 1px; height: 32px;
  background: var(--border-2);
}

/* ======= SERVICE CARDS ======= */
.fl-services {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.fl-card {
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
  transition: border-color .4s, transform .4s var(--ease), box-shadow .4s;
  overflow: hidden;
}
.fl-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 16px 50px rgba(0,0,0,.25);
}
.fl-card__icon {
  width: 56px; height: 56px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  color: var(--accent);
}
.fl-card__icon--interaction { background: rgba(167,139,250,.1); }
.fl-card__icon--portfolio { background: rgba(59,130,246,.1); color: #3b82f6; }
.fl-card__icon--review { background: rgba(249,115,22,.1); color: #f97316; }
.fl-card__icon--code { background: rgba(34,197,94,.1); color: #22c55e; }

.fl-card__title {
  font-size: 1.2rem; font-weight: 700;
  letter-spacing: -.02em;
  margin-bottom: 10px;
}
.fl-card__desc {
  font-size: .88rem; color: var(--text-2);
  line-height: 1.7; margin-bottom: 16px;
}
.fl-card__list {
  list-style: none; padding: 0;
  display: flex; flex-direction: column; gap: 8px;
}
.fl-card__list li {
  font-size: .82rem; color: var(--text-2);
  padding-left: 16px;
  position: relative;
}
.fl-card__list li::before {
  content: '';
  position: absolute; left: 0; top: 7px;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
  opacity: .6;
}
.fl-card__tag {
  position: absolute; top: 20px; right: -30px;
  padding: 4px 40px;
  font-size: .68rem; font-weight: 600;
  color: #fff;
  background: var(--accent-2);
  transform: rotate(45deg);
  letter-spacing: .04em;
}
.fl-card__tag--hot { background: #3b82f6; }
.fl-card__tag--new { background: #f97316; }
.fl-card__tag--dev { background: #22c55e; }

/* ======= PRIMARY CARD ======= */
.fl-card--primary {
  grid-column: 1 / -1;
  border-color: rgba(167,139,250,.2);
  background: linear-gradient(145deg, rgba(167,139,250,.04), var(--surface));
}
.fl-card--primary:hover {
  border-color: var(--accent);
}
.fl-card__badge {
  display: inline-block;
  padding: 3px 10px;
  background: var(--accent-2);
  color: #fff;
  font-size: .68rem; font-weight: 600;
  border-radius: 4px;
  margin-bottom: 12px;
  letter-spacing: .04em;
}

/* ======= FLOW DIAGRAM ======= */
.fl-flow {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  margin-bottom: 64px;
  padding: 40px 0;
}
.fl-flow__step {
  display: flex; flex-direction: column;
  align-items: center; text-align: center;
  max-width: 200px;
  padding: 0 16px;
}
.fl-flow__icon {
  width: 64px; height: 64px;
  border-radius: 16px;
  background: rgba(167,139,250,.08);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
  border: 1px solid rgba(167,139,250,.15);
}
.fl-flow__step h4 {
  font-size: .95rem; font-weight: 600;
  margin-bottom: 6px;
}
.fl-flow__step p {
  font-size: .78rem; color: var(--text-3);
  line-height: 1.6;
}
.fl-flow__arrow {
  color: var(--accent);
  opacity: .3;
  margin-top: 20px;
  flex-shrink: 0;
}

/* ======= FORMATS ======= */
.fl-formats {
  margin-bottom: 64px;
}
.fl-formats__title {
  font-size: 1.05rem; font-weight: 600;
  color: var(--text-2);
  margin-bottom: 20px;
}
.fl-formats__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}
.fl-formats__item {
  display: flex; flex-direction: column;
  align-items: center; gap: 8px;
  padding: 20px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color .3s, transform .3s var(--ease);
}
.fl-formats__item:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.fl-formats__icon {
  width: 40px; height: 40px;
  border-radius: 8px;
  background: rgba(167,139,250,.1);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono);
  font-size: .72rem; font-weight: 700;
}
.fl-formats__item span:last-child {
  font-size: .75rem; color: var(--text-2);
  text-align: center;
}

/* ======= PORTFOLIO SECTION ======= */
.fl-portfolio {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 64px;
}
.fl-portfolio__pain, .fl-portfolio__solution {
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  height: 100%;
}
.fl-portfolio__pain h3, .fl-portfolio__solution h3 {
  font-size: 1.05rem; font-weight: 700;
  margin-bottom: 20px;
}

.fl-pain-list { display: flex; flex-direction: column; gap: 14px; }
.fl-pain-item {
  display: flex; align-items: center; gap: 12px;
  font-size: .88rem; color: var(--text-2);
}
.fl-pain-icon {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: rgba(239,68,68,.1);
  color: #ef4444;
  display: flex; align-items: center; justify-content: center;
  font-size: .7rem; font-weight: 700;
  flex-shrink: 0;
}

.fl-solution-list { display: flex; flex-direction: column; gap: 16px; }
.fl-solution-item {
  display: flex; gap: 12px;
}
.fl-solution-icon {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: rgba(34,197,94,.1);
  color: #22c55e;
  display: flex; align-items: center; justify-content: center;
  font-size: .7rem; font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}
.fl-solution-item strong {
  font-size: .9rem; font-weight: 600;
  display: block; margin-bottom: 2px;
  color: var(--text);
}
.fl-solution-item p {
  font-size: .82rem; color: var(--text-2);
  line-height: 1.6;
}

/* Showcase */
.fl-showcase__title {
  font-size: 1.05rem; font-weight: 600;
  color: var(--text-2);
  margin-bottom: 24px;
}
.fl-showcase__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.fl-showcase__item {
  text-align: center;
}
.fl-showcase__mock {
  background: var(--bg);
  border: 1px solid var(--border-2);
  border-radius: 10px;
  overflow: hidden;
  transition: transform .4s var(--ease), box-shadow .4s;
}
.fl-showcase__mock:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,.3);
}
.fl-showcase__screen {
  padding: 16px;
  min-height: 160px;
}
.fl-showcase__screen--dark { background: #0a0a0f; }
.fl-showcase__screen--light { background: #f8f8fa; }
.fl-showcase__screen--creative { background: linear-gradient(135deg, #1a0a2e, #0f1a2e); }

.fl-mock-hero {
  height: 40px;
  background: linear-gradient(135deg, rgba(167,139,250,.15), rgba(167,139,250,.05));
  border-radius: 6px;
  margin-bottom: 12px;
}
.fl-mock-hero--light {
  background: linear-gradient(135deg, rgba(0,0,0,.06), rgba(0,0,0,.02));
}
.fl-mock-hero--creative {
  background: linear-gradient(135deg, rgba(236,72,153,.2), rgba(167,139,250,.2));
}
.fl-mock-cards {
  display: flex; gap: 6px;
}
.fl-mock-cards span {
  flex: 1; height: 60px;
  background: rgba(167,139,250,.08);
  border-radius: 4px;
}
.fl-mock-cards--light span {
  background: rgba(0,0,0,.04);
}
.fl-mock-cards--creative span {
  background: rgba(236,72,153,.08);
}
.fl-showcase__label {
  display: block;
  margin-top: 12px;
  font-size: .78rem;
  color: var(--text-3);
  font-family: var(--mono);
}

/* ======= PROCESS ======= */
.fl-process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.fl-process__step {
  padding: 28px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
  margin-right: -1px;
  transition: border-color .3s, transform .3s var(--ease);
}
.fl-process__step:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  z-index: 1;
}
.fl-process__num {
  font-family: var(--mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  opacity: .2;
  margin-bottom: 16px;
}
.fl-process__step:hover .fl-process__num { opacity: .5; }
.fl-process__line {
  position: absolute;
  top: 46px; right: -12px;
  width: 24px; height: 2px;
  background: var(--border-2);
  z-index: 2;
}
.fl-process__step:last-child .fl-process__line { display: none; }
.fl-process__step h4 {
  font-size: .95rem; font-weight: 600;
  margin-bottom: 8px;
}
.fl-process__step p {
  font-size: .8rem; color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 12px;
}
.fl-process__time {
  font-family: var(--mono);
  font-size: .68rem;
  color: var(--accent);
  opacity: .6;
}

/* ======= PRICING ======= */
.fl-pricing {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: start;
}
.fl-pricing__card {
  padding: 36px 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
  transition: border-color .4s, transform .4s var(--ease);
}
.fl-pricing__card:hover {
  border-color: var(--border-2);
  transform: translateY(-4px);
}
.fl-pricing__card--featured {
  border-color: var(--accent);
  background: linear-gradient(145deg, rgba(167,139,250,.06), var(--surface));
}
.fl-pricing__card--featured:hover {
  border-color: var(--accent);
  box-shadow: 0 16px 50px rgba(124,58,237,.15);
}

.fl-pricing__badge {
  position: absolute;
  top: -12px; left: 50%; transform: translateX(-50%);
  padding: 4px 16px;
  background: var(--accent-2);
  color: #fff;
  font-size: .72rem; font-weight: 600;
  border-radius: 100px;
  letter-spacing: .04em;
}

.fl-pricing__head {
  margin-bottom: 24px;
}
.fl-pricing__head h3 {
  font-size: 1.15rem; font-weight: 700;
  margin-bottom: 4px;
}
.fl-pricing__head p {
  font-size: .82rem; color: var(--text-3);
}

.fl-pricing__price {
  display: flex; align-items: baseline; gap: 2px;
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
.fl-pricing__currency {
  font-size: 1.1rem; font-weight: 600; color: var(--text-2);
}
.fl-pricing__amount {
  font-size: 2.8rem; font-weight: 700; color: var(--text);
  letter-spacing: -.03em;
  line-height: 1;
}
.fl-pricing__unit {
  font-size: .85rem; color: var(--text-3);
  margin-left: 2px;
}

.fl-pricing__features {
  list-style: none; padding: 0;
  display: flex; flex-direction: column; gap: 12px;
  margin-bottom: 28px;
}
.fl-pricing__features li {
  display: flex; align-items: center; gap: 10px;
  font-size: .85rem; color: var(--text-2);
}
.fl-pricing__btn { width: 100%; justify-content: center; }

/* ======= WHY ME ======= */
.fl-why {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.fl-why__item {
  padding: 28px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color .3s, transform .3s var(--ease);
}
.fl-why__item:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}
.fl-why__icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: rgba(167,139,250,.08);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.fl-why__item h4 {
  font-size: .95rem; font-weight: 600;
  margin-bottom: 6px;
}
.fl-why__item p {
  font-size: .82rem; color: var(--text-2);
  line-height: 1.7;
}

/* ======= FAQ ======= */
.fl-faq {
  max-width: 720px;
}
.fl-faq__item {
  border-bottom: 1px solid var(--border);
}
.fl-faq__item:first-child {
  border-top: 1px solid var(--border);
}
.fl-faq__q {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 0;
  cursor: pointer;
  text-align: left;
}
.fl-faq__q span {
  font-size: .95rem; font-weight: 600;
  color: var(--text);
}
.fl-faq__arrow {
  color: var(--text-3);
  transition: transform .3s var(--ease), color .3s;
  flex-shrink: 0;
  margin-left: 16px;
}
.fl-faq__q:hover .fl-faq__arrow { color: var(--accent); }
.fl-faq__item.open .fl-faq__arrow { transform: rotate(180deg); color: var(--accent); }

.fl-faq__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s var(--ease), padding .4s;
}
.fl-faq__item.open .fl-faq__a {
  max-height: 300px;
  padding-bottom: 20px;
}
.fl-faq__a p {
  font-size: .88rem; color: var(--text-2);
  line-height: 1.8;
}

/* ======= CONTACT EXTRAS ======= */
.fl-select {
  width: 100%; padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: .9rem;
  color: var(--text);
  cursor: pointer;
  transition: border-color .3s, box-shadow .3s;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%239494a0' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}
.fl-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(167,139,250,.1);
}
.fl-select option {
  background: var(--surface);
  color: var(--text);
}

.fl-contact-tip {
  margin-top: 28px;
  padding: 16px 20px;
  background: rgba(167,139,250,.04);
  border: 1px solid rgba(167,139,250,.12);
  border-radius: 8px;
}
.fl-contact-tip strong {
  font-size: .82rem; color: var(--accent);
  display: block; margin-bottom: 4px;
}
.fl-contact-tip p {
  font-size: .78rem; color: var(--text-2);
  line-height: 1.6;
}

/* ======= SCROLL ANIMATIONS ======= */
.fl-card,
.fl-flow,
.fl-formats,
.fl-portfolio__left,
.fl-portfolio__right,
.fl-showcase,
.fl-process__step,
.fl-pricing__card,
.fl-why__item,
.fl-faq,
.fl-contact-tip {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
}
.fl-card:nth-child(2) { transition-delay: .1s; }
.fl-card:nth-child(3) { transition-delay: .2s; }
.fl-card:nth-child(4) { transition-delay: .3s; }
.fl-process__step:nth-child(2) { transition-delay: .08s; }
.fl-process__step:nth-child(3) { transition-delay: .16s; }
.fl-process__step:nth-child(4) { transition-delay: .24s; }
.fl-process__step:nth-child(5) { transition-delay: .32s; }
.fl-pricing__card:nth-child(2) { transition-delay: .1s; }
.fl-pricing__card:nth-child(3) { transition-delay: .2s; }
.fl-why__item:nth-child(2) { transition-delay: .08s; }
.fl-why__item:nth-child(3) { transition-delay: .16s; }
.fl-why__item:nth-child(4) { transition-delay: .24s; }
.fl-why__item:nth-child(5) { transition-delay: .32s; }
.fl-why__item:nth-child(6) { transition-delay: .4s; }

/* ======= RESPONSIVE ======= */
@media (max-width: 900px) {
  .fl-services { grid-template-columns: 1fr; }
  .fl-card--primary { grid-column: 1; }
  .fl-portfolio { grid-template-columns: 1fr; }
  .fl-process { grid-template-columns: repeat(2, 1fr); }
  .fl-process__line { display: none; }
  .fl-pricing { grid-template-columns: 1fr; max-width: 420px; }
  .fl-why { grid-template-columns: repeat(2, 1fr); }
  .fl-showcase__grid { grid-template-columns: 1fr; max-width: 360px; margin: 0 auto; }
  .fl-trust { flex-wrap: wrap; justify-content: center; }
  .fl-formats__grid { grid-template-columns: repeat(3, 1fr); }
  .fl-flow { flex-direction: column; align-items: center; gap: 8px; }
  .fl-flow__arrow { transform: rotate(90deg); margin: 0; }
}

@media (max-width: 640px) {
  .fl-hero { padding: 100px 20px 60px; }
  .fl-hero__headline { font-size: clamp(1.6rem, 7vw, 2.2rem); }
  .fl-hero__sub { font-size: .92rem; }
  .fl-trust { gap: 16px; padding: 16px 20px; }
  .fl-trust__divider { display: none; }
  .fl-trust__item { min-width: 70px; }
  .fl-process { grid-template-columns: 1fr; }
  .fl-why { grid-template-columns: 1fr; }
  .fl-card__tag { font-size: .6rem; right: -34px; padding: 3px 40px; }
  .fl-formats__grid { grid-template-columns: repeat(2, 1fr); }
}