/* ============================================================
   ITSIMPLE · 场景 Scenario — v3, Figment-showcase layout
   (ref: product-showcase design). Light, faint square grid,
   italic Cormorant eyebrows, bordered cards, browser mockup.
   Reuses case-v3.css tokens, nav-v3 (+ site-footer).
   ============================================================ */

.sc-bg {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-color: var(--bg);
  background-image:
    linear-gradient(rgb(from var(--ink) r g b / 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgb(from var(--ink) r g b / 0.03) 1px, transparent 1px);
  background-size: 96px 96px;
}
.sc-main {
  position: relative; width: 100%; max-width: 1280px; margin: 0 auto;
  padding: var(--sp-2xl) clamp(20px, 5vw, 48px) var(--sp-xl);
  display: flex; flex-direction: column; gap: var(--gap-section);
}
.sc-italic { font-family: var(--serif); font-style: italic; }

/* ---------- header ---------- */
.sc-head { max-width: 56rem; }
.sc-eyebrow { font-family: var(--serif); font-style: italic; font-size: clamp(1.3rem, 2vw, 1.6rem); color: var(--brand); display: block; margin-bottom: var(--sp-sm); }
.sc-title {
  font-family: var(--display); font-weight: 800;
  font-size: clamp(4rem, 11vw, 8rem); line-height: 0.86; letter-spacing: -0.04em;
  color: var(--brand); margin: 0 0 var(--sp-sm);
}
.sc-statement {
  font-family: var(--zh); font-weight: 700;
  font-size: var(--fs-h2); line-height: 1.18; letter-spacing: -0.01em;
  color: var(--brand); margin: 0 0 var(--sp-xs); max-width: 22ch;
}
.sc-detail { font-family: var(--zh); font-weight: 400; font-size: var(--fs-lead); line-height: 1.7; color: var(--ink); opacity: 0.7; margin: 0; max-width: 52ch; }

/* ---------- chip filter row ---------- */
.sc-chips { display: flex; gap: 12px; overflow-x: auto; padding-bottom: 6px; scrollbar-width: none; }
.sc-chips::-webkit-scrollbar { display: none; }
.sc-chip {
  white-space: nowrap; flex: 0 0 auto;
  font-family: var(--display); font-weight: 700; font-size: 13px; letter-spacing: 0.08em;
  border: 1px solid rgb(from var(--brand) r g b / 0.3); color: var(--brand);
  border-radius: 999px; padding: 9px 22px; transition: border-color 0.25s, background 0.25s, color 0.25s;
}
.sc-chip:hover { border-color: var(--brand); }
.sc-chip.is-active { background: var(--brand); border-color: var(--brand); color: #fff; }

/* ---------- case card grid ---------- */
.sc-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(24px, 3vw, 48px); }
.sc-card {
  display: flex; flex-direction: column;
  background: rgba(255,255,255,0.6); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  border: 1px solid rgb(from var(--brand) r g b / 0.2); padding: clamp(28px, 3vw, 40px);
  transition: border-color 0.4s ease, box-shadow 0.4s ease, transform 0.4s ease;
}
.sc-card:hover { border-color: var(--brand); box-shadow: 0 30px 60px -24px rgb(from var(--brand) r g b / 0.18); transform: translateY(-6px); }
.sc-card-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: clamp(40px, 5vw, 64px); }
.sc-card-cover { width: 84px; height: 84px; overflow: hidden; background: var(--light); flex: 0 0 84px; }
.sc-card-cover img { width: 100%; height: 100%; object-fit: cover; }
.sc-card-cover image-slot { width: 100%; height: 100%; }
.sc-card-tag { font-family: var(--display); font-weight: 700; font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--brand); border: 1px solid rgb(from var(--brand) r g b / 0.3); padding: 6px 16px; border-radius: 999px; white-space: nowrap; }
.sc-card-title { font-family: var(--display); font-weight: 800; font-size: clamp(1.5rem, 2.4vw, 2rem); letter-spacing: -0.02em; color: var(--brand); margin: 0 0 14px; line-height: 1.1; }
.sc-card-desc { font-family: var(--zh); font-weight: 400; font-size: 1.02rem; line-height: 1.65; color: var(--ink); opacity: 0.72; margin: 0 0 36px; flex-grow: 1; }
.sc-pill {
  display: inline-flex; align-items: center; justify-content: center; width: 100%;
  font-family: var(--display); font-weight: 700; font-size: 14px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--brand); border: 1.5px solid var(--brand); border-radius: 999px; padding: 16px 28px;
  transition: background 0.3s ease, color 0.3s ease;
}
.sc-pill:hover { background: var(--brand); color: #fff; }
@media (max-width: 760px) { .sc-cards { grid-template-columns: 1fr; } }

/* ---------- deep dive ---------- */
.sc-dd { border-top: 1px solid var(--brand); padding-top: clamp(56px, 8vw, 128px); }
.sc-dd-grid { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(40px, 5vw, 64px); align-items: center; }
.sc-dd-left { order: 1; }
.sc-dd-right { order: 2; }
.sc-dd-title { font-family: var(--display); font-weight: 800; font-size: clamp(2.4rem, 4vw, 3.6rem); letter-spacing: -0.02em; color: var(--brand); margin: 14px 0 clamp(32px, 4vw, 48px); line-height: 1.04; }
.sc-dd-block { margin-bottom: clamp(28px, 3vw, 40px); }
.sc-dd-block h4 { font-family: var(--display); font-weight: 700; font-size: 13px; letter-spacing: 0.15em; text-transform: uppercase; color: rgb(from var(--brand) r g b / 0.7); margin: 0 0 12px; }
.sc-dd-block p { font-family: var(--zh); font-weight: 400; font-size: clamp(1.05rem, 1.4vw, 1.25rem); line-height: 1.7; color: var(--ink); margin: 0; }
.sc-dd-block.result p { font-family: var(--serif); font-style: italic; font-size: clamp(1.5rem, 2.4vw, 2rem); line-height: 1.3; color: var(--brand); }
.sc-dd-tags { display: flex; flex-wrap: wrap; gap: 10px; padding-top: 24px; border-top: 1px solid rgb(from var(--brand) r g b / 0.2); }
.sc-dd-tags span { font-family: var(--display); font-weight: 700; font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink); background: var(--light); border: 1px solid rgb(from var(--brand) r g b / 0.1); padding: 8px 16px; border-radius: 999px; }

/* browser mockup */
.sc-mock { background: rgb(from var(--brand) r g b / 0.05); border: 1px solid rgb(from var(--brand) r g b / 0.2); height: clamp(420px, 50vw, 640px); padding: clamp(20px, 3vw, 56px); position: relative; overflow: hidden; }
.sc-mock-grid { position: absolute; inset: 0; opacity: 0.4; background-image: linear-gradient(rgb(from var(--ink) r g b / 0.05) 1px, transparent 1px), linear-gradient(90deg, rgb(from var(--ink) r g b / 0.05) 1px, transparent 1px); background-size: 40px 40px; }
.sc-mock-win { position: relative; z-index: 1; width: 100%; height: 100%; background: #fff; border: 1px solid rgb(from var(--brand) r g b / 0.1); box-shadow: 0 30px 60px -20px rgb(from var(--brand) r g b / 0.12); display: flex; flex-direction: column; overflow: hidden; }
.sc-mock-bar { height: 46px; border-bottom: 1px solid var(--grid); display: flex; align-items: center; gap: 8px; padding: 0 16px; }
.sc-mock-bar i { width: 11px; height: 11px; border-radius: 50%; background: rgb(from var(--brand) r g b / 0.3); }
.sc-mock-bar .u { margin: 0 auto; width: 36%; height: 14px; background: var(--light); border-radius: 999px; }
.sc-mock-body { flex: 1; display: flex; gap: 26px; padding: 26px; }
.sc-mock-side { width: 150px; display: flex; flex-direction: column; gap: 14px; border-right: 1px solid var(--grid); padding-right: 20px; }
.sc-mock-side span { height: 14px; background: var(--light); display: block; }
.sc-mock-side span:first-child { height: 26px; background: rgb(from var(--brand) r g b / 0.12); }
.sc-mock-main { flex: 1; display: flex; flex-direction: column; gap: 18px; }
.sc-mock-main .h { width: 50%; height: 30px; background: var(--light); }
.sc-mock-main .blk { flex: 1; background: rgb(from var(--ink) r g b / 0.04); display: grid; place-items: center; }
.sc-mock-main .blk b { width: 96px; height: 96px; border-radius: 50%; background: rgb(from var(--brand) r g b / 0.12); display: block; }
@media (max-width: 900px) { .sc-dd-grid { grid-template-columns: 1fr; } .sc-dd-left { order: 2; } .sc-dd-right { order: 1; } }

/* ---------- stats ---------- */
.sc-stats { border-top: 1px solid var(--brand); border-bottom: 1px solid var(--brand); padding: clamp(48px, 6vw, 80px) 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.sc-stat { text-align: center; padding: 12px clamp(8px,2vw,24px); border-right: 1px solid rgb(from var(--brand) r g b / 0.2); }
.sc-stat:last-child { border-right: none; }
.sc-stat .n { font-family: var(--display); font-weight: 800; font-size: clamp(3.2rem, 7vw, 6rem); line-height: 0.9; letter-spacing: -0.04em; color: var(--brand); display: block; margin-bottom: 14px; }
.sc-stat .l { font-family: var(--serif); font-style: italic; font-size: clamp(1.1rem, 1.6vw, 1.5rem); color: var(--ink); }
@media (max-width: 760px) { .sc-stats { grid-template-columns: 1fr; gap: 40px; } .sc-stat { border-right: none; border-bottom: 1px solid rgb(from var(--brand) r g b / 0.2); padding-bottom: 40px; } .sc-stat:last-child { border-bottom: none; } }

/* ---------- capability cards (ref: testimonial slot) ---------- */
.sc-caps-head { text-align: center; margin-bottom: clamp(28px, 4vw, 48px); }
.sc-caps-head .sc-eyebrow { display: inline-block; }
/* capability accordion (ref: numbered expand / collapse rows) */
.sc-caps { counter-reset: cap; border-top: 1px solid var(--brand); max-width: none; display: block; --scg: clamp(24px,3vw,44px); }
.sc-cap { border-bottom: 1px solid var(--grid); background: transparent; border-left: none; border-right: none; border-top: none; padding: 0; -webkit-backdrop-filter: none; backdrop-filter: none; display: block; }
.sc-cap-title {
  position: relative; margin: 0; -webkit-user-select: auto; user-select: auto;
  font-family: var(--sans); font-weight: 800; font-size: clamp(1.4rem,2.4vw,2rem); line-height: 1.2; letter-spacing: -0.02em; color: var(--ink);
  padding: clamp(26px,3.4vw,44px) 48px clamp(20px,2.4vw,28px) calc((100% + var(--scg)) / 3);
}
.sc-cap-title::before {
  counter-increment: cap; content: "(0" counter(cap) ")";
  position: absolute; left: 0; top: clamp(26px,3.4vw,44px);
  font-family: var(--sans); font-weight: 700; font-size: clamp(0.95rem,1.3vw,1.2rem); color: var(--brand); white-space: nowrap;
}
.sc-cap-list {
  list-style: none; margin: 0;
  display: grid; grid-template-columns: 1fr 1fr; gap: 0 var(--scg);
  padding: 0 0 clamp(30px,3.6vw,52px) calc((100% + var(--scg)) / 3);
}
.sc-cap-list li { padding: 12px 0; }
.sc-cap-list .lb { font-family: var(--zh); font-weight: 600; font-size: 1rem; color: var(--ink); margin-bottom: 4px; }
.sc-cap-list .sb { font-family: var(--zh); font-weight: 400; font-size: 0.85rem; line-height: 1.55; color: var(--ink); opacity: 0.6; }
@media (max-width: 760px) {
  .sc-cap-title { padding-left: 44px; font-size: 1.3rem; }
  .sc-cap-list { grid-template-columns: 1fr; padding-left: 44px; }
}

/* ---------- clients strip ---------- */
.sc-clients-row { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; margin-bottom: clamp(24px, 3vw, 36px); }
.sc-clients-text { font-family: var(--zh); font-weight: 600; font-size: clamp(1.1rem, 1.6vw, 1.4rem); color: var(--ink); max-width: 34ch; }
.sc-clients-logos { display: flex; flex-wrap: wrap; align-items: center; gap: clamp(28px, 4vw, 56px); border-top: 1px solid var(--grid); padding-top: clamp(24px, 3vw, 36px); }
.sc-clients-logos img { height: 36px; width: auto; filter: grayscale(1) contrast(0.9); opacity: 0.65; transition: filter 0.3s, opacity 0.3s; }
.sc-clients-logos a:hover img { filter: none; opacity: 1; }

/* ---------- faithful sections: section heads / case image cards / problems ---------- */
.sc-shead { margin-bottom: clamp(28px, 4vw, 48px); }
.sc-shead .ey { font-family: var(--sans); font-weight: 700; font-size: var(--fs-label); letter-spacing: 0.16em; text-transform: uppercase; color: var(--brand); margin-bottom: 14px; display: block; }
.sc-shead h2 { font-family: var(--zh); font-weight: 700; font-size: clamp(1.9rem, 3.6vw, 3rem); line-height: 1.12; letter-spacing: -0.025em; color: var(--brand); margin: 0; max-width: 24ch; }
.sc-casecard { display: block; border: 1px solid rgb(from var(--brand) r g b / 0.2); transition: border-color 0.4s ease, box-shadow 0.4s ease, transform 0.4s ease; }
.sc-casecard:hover { border-color: var(--brand); box-shadow: 0 30px 60px -24px rgb(from var(--brand) r g b / 0.18); transform: translateY(-6px); }
.sc-casecard .ph { width: 100%; aspect-ratio: 16/10; overflow: hidden; background: var(--light); }
.sc-casecard .ph img { width: 100%; height: 100%; object-fit: cover; }
.sc-casecard .cap { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: clamp(20px, 2.5vw, 28px); }
.sc-casecard .cap h3 { font-family: var(--display); font-weight: 800; font-size: clamp(1.15rem, 1.7vw, 1.45rem); letter-spacing: -0.01em; color: var(--brand); margin: 0; }
.sc-casecard .cap .ar { font-family: var(--display); color: var(--brand); font-size: 1.4rem; transition: transform 0.3s ease; }
.sc-casecard:hover .cap .ar { transform: translateX(6px); }
.sc-probs { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px, 3vw, 44px); border-top: 1px solid var(--brand); padding-top: clamp(28px, 3vw, 40px); }
/* full-screen problems section · bigger breathing room */
.sc-probsec { min-height: 100vh; display: flex; flex-direction: column; justify-content: center; padding: clamp(24px, 4.5vh, 60px) 0; }
.sc-probsec .sc-shead { margin-bottom: clamp(48px, 10vh, 112px); }
.sc-prob h3 { font-family: var(--zh); font-weight: 600; font-size: var(--fs-lead); letter-spacing: -0.01em; color: var(--ink); margin: 0 0 14px; }
.sc-prob p { font-family: var(--zh); font-weight: 400; font-size: var(--fs-body); line-height: 1.7; color: var(--ink); opacity: 0.78; margin: 0; }
@media (max-width: 820px) { .sc-probs { grid-template-columns: 1fr; } }

/* ---------- footer CTA — distinct dark band ---------- */
.sc-cta { background: var(--ink); box-sizing: border-box; border-top: none; padding: clamp(64px,9vw,128px) clamp(28px,5vw,64px); display: flex; flex-direction: column; align-items: center; text-align: center; gap: clamp(20px,2.6vw,34px); }
.sc-cta-eyebrow { font-family: var(--sans); font-weight: 700; font-size: var(--fs-label); letter-spacing: 0.16em; text-transform: uppercase; color: rgba(255,255,255,0.5); display: block; }
.sc-cta-title { font-family: var(--display); font-weight: 800; font-size: clamp(2.6rem, 6.5vw, 5.4rem); line-height: 0.94; letter-spacing: -0.04em; color: #fff; margin: 0 auto; max-width: 20ch; text-align: center; }
.sc-cta-desc { font-family: var(--zh); font-weight: 400; font-size: var(--fs-lead); line-height: 1.7; color: rgba(255,255,255,0.6); margin: 4px auto 8px; max-width: 46ch; text-align: center; }
.sc-cta-btn { flex: 0 0 auto; font-family: var(--sans); font-weight: 700; font-size: var(--fs-sm); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink); background: #fff; border: 1.5px solid #fff; border-radius: 999px; padding: 18px 44px; transition: background 0.3s, color 0.3s; }
.sc-cta-btn:hover { background: transparent; color: #fff; }
.sc-cta > div { text-align: center; }