/* ==========================================================================
   iComStudio — 子页面样式（案例列表 / 接单流程 / 联系方式 / 案例详情）
   ========================================================================== */

/* ---- 案例列表筛选 ---- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
.filter-btn {
  padding: 9px 18px; border: 1px solid var(--border); border-radius: 3px;
  font-size: 0.9rem; color: var(--text-muted); transition: all 0.25s ease; background: transparent;
}
.filter-btn:hover { color: var(--primary); border-color: var(--primary); }
.filter-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ---- 接单流程 ---- */
.steps { display: grid; gap: 0; }
.step-row {
  display: grid; grid-template-columns: 72px 1fr; gap: 20px;
  padding: 28px 0; border-bottom: 1px solid var(--border);
}
.step-num {
  font-size: 2.4rem; font-weight: 700; color: var(--accent); line-height: 1;
  font-variant-numeric: tabular-nums;
}
.step-name { font-size: 1.3rem; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.step-line { font-size: 0.95rem; color: var(--text-muted); padding: 2px 0; }
.step-line b { color: var(--text); font-weight: 600; }
.promise-list { margin-top: 20px; display: grid; gap: 10px; }
.promise-list li { padding: 14px 18px; background: var(--bg-elevated); border: 1px solid var(--border); border-left: 3px solid var(--accent); border-radius: 4px; color: var(--text-muted); }

/* ---- 联系方式 ---- */
.contact-info { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 0; }
.section-head:has(+ .contact-form-wrap) .section-subtitle { margin-bottom: 24px; }
.contact-item { padding: 26px 28px; background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 4px; }
.ci-label { font-size: 0.76rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 10px; }
.ci-value { font-size: 1.2rem; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.ci-hint { font-size: 0.85rem; color: var(--text-muted); }

.contact-form-wrap { max-width: 960px; margin: 0 auto 40px; }
.contact-form { display: grid; grid-template-columns: 1fr 2fr; border-radius: 12px; overflow: hidden; box-shadow: var(--shadow); background: var(--bg-elevated); }
.cf-media { min-height: 100%; background: var(--img-bg); }
.cf-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.cf-body { padding: 44px 48px; }
.cf-title { font-size: 1.6rem; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.cf-note { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 28px; line-height: 1.7; }
.cf-body .field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.cf-body .field { display: grid; gap: 6px; margin-bottom: 16px; }
.cf-body .field label { font-size: 0.8rem; color: var(--text-muted); }
.cf-body .field input, .cf-body .field textarea, .cf-body .field select {
  padding: 12px 14px; font-size: 0.95rem; font-family: inherit;
  background: var(--bg); border: 1px solid var(--border); border-radius: 6px; color: var(--text);
  transition: border-color 0.25s ease;
}
.cf-body .field input:focus, .cf-body .field textarea:focus, .cf-body .field select:focus { border-color: var(--accent); outline: none; }
.cf-body .btn { width: 100%; padding: 15px; font-size: 1rem; margin-top: 8px; }

@media (max-width: 860px) {
  .contact-form { grid-template-columns: 1fr; }
  .cf-media { height: 220px; }
  .cf-body .field-row { grid-template-columns: 1fr; }
}

/* ---- 案例详情 ---- */
.project-hero { position: relative; min-height: 72vh; display: flex; align-items: flex-end; overflow: hidden; background: var(--img-bg); }
.project-hero__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; scale: 1.15; }
.project-hero__scrim { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(22,32,28,.3), rgba(22,32,28,.65)); }
.project-hero__inner { position: relative; z-index: 2; width: min(1200px, 100% - clamp(32px,8vw,128px)); margin-inline: auto; padding: 100px 0 60px; color: #fff; }
.project-hero__title { font-size: clamp(2rem, 5vw, 3.6rem); font-weight: 700; line-height: 1.15; }
.project-hero__tagline { margin-top: 14px; font-size: 1.1rem; color: rgba(255,255,255,.88); }

.project-meta { border-bottom: 1px solid var(--border); }
.project-meta__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 24px; padding-block: 32px; }
.project-meta__item .k { font-size: 0.8rem; color: var(--text-faint); margin-bottom: 6px; }
.project-meta__item .v { font-size: 1.15rem; font-weight: 700; color: var(--primary); }

.project-section { border-bottom: 1px solid var(--border); }
.project-section__grid { display: grid; grid-template-columns: 1fr; gap: clamp(24px,4vw,64px); padding-block: clamp(44px,6vw,88px); }
.project-section__sticky { position: sticky; top: 92px; align-self: start; }
.project-section__num { font-size: 3rem; font-weight: 700; color: var(--accent); line-height: 1; margin-bottom: 16px; }
.project-section__heading { font-size: 1.5rem; font-weight: 700; color: var(--primary); margin-bottom: 16px; }
.project-section__text { font-size: 1rem; line-height: 1.9; color: var(--text-muted); }
.project-section__quote { margin-top: 20px; padding-left: 18px; border-left: 2px solid var(--accent); font-size: 1.05rem; color: var(--text); }
.project-section__media { display: grid; gap: 20px; align-content: start; }
.project-media { border-radius: 4px; overflow: hidden; background: var(--img-bg); }
.project-media img { width: 100%; height: auto; display: block; }
.project-foot { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-block: 48px; }

@media (min-width: 720px) {
  .project-section__grid { grid-template-columns: 0.85fr 1.15fr; }
}
@media (max-width: 860px) {
  .contact-grid { grid-template-columns: 1fr; }
}