:root { color-scheme: dark; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: #f7f8f3; background: #141515; font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; }
img { display: block; max-width: 100%; }
.container { width: min(100%, 1110px); margin: 0 auto; padding: 0 34px; }
.site-header { background: #141515; }
.nav { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid #303330; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: #fffdf6; font-size: 18px; font-weight: 800; letter-spacing: -.04em; text-decoration: none; }
.brand img { width: 40px; height: 40px; object-fit: cover; border-radius: 12px; background: #050505; }
.nav-note { color: #aeb5aa; font-size: 11px; }
.nav-cta { color: #d0ffc4; font-size: 12px; text-decoration: none; }
.hero { background: #141515; }
.hero-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 50px; align-items: center; padding-top: 62px; padding-bottom: 48px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin: 0; color: #b5fb4c; font-size: 11px; font-weight: 800; letter-spacing: .13em; }
.eyebrow span { width: 8px; height: 8px; background: #b5fb4c; border-radius: 50%; }
h1 { margin: 16px 0 15px; color: #fffdf6; font-size: clamp(45px, 6.2vw, 72px); line-height: .91; letter-spacing: -.08em; }
h1 > span { display: block; margin-left: 6px; }
h1 em { display: inline-block; margin: 3px 0 0 -7px; color: #b5fb4c; font-style: normal; transform: rotate(-1.5deg); }
h1 em b { display: inline-block; margin-left: 2px; font-size: 1.18em; letter-spacing: -.12em; transform: translateY(2px); }
.hero-lead { max-width: 430px; margin: 0; color: #c1c6bd; font-size: 15px; line-height: 1.75; }
.hero-lead strong { color: #ff6470; text-shadow: 0 0 15px rgba(255, 80, 95, .16); }
.service-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.service-tags span { padding: 8px 10px; color: #d6dacf; border: 1px solid #3c423b; border-radius: 999px; font-size: 11px; }
.primary-cta { min-height: 58px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 0 24px; color: #172609; background: #b5fb4c; border: 0; border-radius: 999px; font-size: 15px; font-weight: 850; text-decoration: none; }
.hero-copy .primary-cta { min-width: 254px; min-height: 64px; margin-top: 27px; font-size: 17px; }
.primary-cta b { width: 25px; height: 25px; display: grid; place-items: center; color: #b5fb4c; background: #172609; border-radius: 50%; font-size: 14px; }
.cta-note { display: block; margin-top: 11px; color: #8f978c; font-size: 10px; }
.hero-visual { position: relative; min-height: 538px; }
.glow { position: absolute; top: 20px; right: 36px; width: 438px; height: 438px; background: #b5fb4c; border-radius: 50%; filter: blur(78px); opacity: .16; }
.proof { position: absolute; overflow: hidden; margin: 0; background: #e7e9e3; border: 4px solid #eff2eb; box-shadow: 0 16px 40px rgba(0,0,0,.38); }
.proof img { width: 100%; height: 100%; object-fit: cover; object-position: center 24%; }
.proof-main { width: 344px; height: 484px; right: 30px; top: 12px; transform: rotate(2deg); border-width: 5px; box-shadow: 0 24px 58px rgba(0,0,0,.48); }
.saving-card { position: absolute; z-index: 3; left: 30px; top: 46px; padding: 18px; color: #172609; background: #b5fb4c; border-radius: 14px; box-shadow: 0 15px 32px rgba(0,0,0,.22); transform: rotate(-3deg); }
.saving-card span, .saving-card small { display: block; font-size: 10px; font-weight: 800; }
.saving-card strong { display: block; margin-top: 3px; font-size: 30px; letter-spacing: -.07em; }
.saving-card small { margin-top: 3px; color: #405322; font-size: 9px; }
.review-card { position: absolute; z-index: 4; width: 252px; padding: 15px 17px; color: #172419; background: rgba(252, 255, 247, .98); border: 1px solid rgba(255, 255, 255, .82); border-radius: 15px; box-shadow: 0 19px 38px rgba(0, 0, 0, .3); }
.review-one { left: 0; top: 154px; transform: rotate(-2deg); }
.review-two { left: 32px; bottom: 17px; transform: rotate(1.5deg); }
.review-kicker { display: flex; align-items: center; gap: 8px; margin: 0 0 8px; color: #55704b; font-size: 10px; font-weight: 800; letter-spacing: .03em; }
.review-kicker span { color: #ffb800; font-size: 11px; letter-spacing: 0; }
.review-card blockquote { margin: 0; color: #172419; font-size: 15px; font-weight: 850; line-height: 1.42; letter-spacing: -.025em; }
.review-card small { display: block; margin-top: 8px; color: #668064; font-size: 10px; font-weight: 700; }
.trust-ribbon { padding: 14px 0; color: #142308; background: #b5fb4c; }
.ribbon-content { display: flex; gap: 36px; align-items: center; justify-content: center; font-size: 12px; font-weight: 800; }
.ribbon-content span::before { margin-right: 8px; content: "✓"; }
.proofs-section { padding: 76px 0; background: #141515; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 26px; }
h2 { margin: 0; color: #fffdf6; font-size: clamp(30px, 4.4vw, 48px); line-height: 1.05; letter-spacing: -.07em; }
.section-heading p { max-width: 340px; margin: 0; color: #9fa79c; font-size: 11px; line-height: 1.65; }
.proof-gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.proof-item { min-width: 0; height: 342px; margin: 0; overflow: hidden; background: #e3e6df; border: 1px solid #3c413a; border-radius: 14px; }
.proof-preview { position: relative; display: block; width: 100%; height: 100%; padding: 0; overflow: hidden; background: #e3e6df; border: 0; cursor: zoom-in; }
.proof-preview::after { position: absolute; inset: auto 0 0; height: 42%; content: ""; background: linear-gradient(transparent, rgba(10, 13, 11, .86)); pointer-events: none; }
.proof-preview img { width: 100%; height: 100%; object-fit: cover; object-position: center 24%; transition: transform .28s ease; }
.proof-preview:hover img { transform: scale(1.04); }
.proof-preview span { position: absolute; z-index: 1; left: 14px; right: 14px; bottom: 13px; display: flex; flex-direction: column; align-items: flex-start; gap: 4px; color: #fff; font-size: 13px; font-weight: 800; line-height: 1.2; text-align: left; }
.proof-preview span i { color: #c7ff59; font-size: 10px; font-style: normal; font-weight: 800; letter-spacing: .04em; }
.privacy-note { display: flex; align-items: center; gap: 8px; margin: 36px 0 0; color: #90988d; font-size: 10px; }
.privacy-note b { width: 18px; height: 18px; display: grid; place-items: center; color: #172609; background: #b5fb4c; border-radius: 50%; }
.bill-types { padding: 78px 0; color: #102415; background: #f1f6ea; }
.types-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; }
.types-heading p { margin: 0; color: #168052; font-size: 11px; font-weight: 850; letter-spacing: .12em; }
.types-heading h2 { color: #15271b; }
.types-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 30px; }
.types-grid article { min-height: 218px; padding: 30px; background: #fffef9; border: 1px solid #d8e3d2; border-radius: 19px; box-shadow: 0 10px 22px rgba(22, 50, 30, .06); }
.types-grid article > span { width: 52px; height: 52px; display: grid; place-items: center; color: #f7fff1; background: #087c51; border-radius: 16px; box-shadow: 0 10px 18px rgba(5, 70, 41, .16); font-size: 23px; }
.types-grid h3 { margin: 25px 0 9px; color: #102415; font-size: 25px; letter-spacing: -.05em; }
.types-grid p { max-width: 290px; margin: 0; color: #58705b; font-size: 13px; font-weight: 700; line-height: 1.65; }
.steps-section { padding: 76px 0; color: #fffdf6; background: #171b18; }
.section-heading.compact p { color: #9fa79c; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 31px; }
.steps article { min-height: 170px; padding: 24px; background: #222923; border: 1px solid #3b483d; border-radius: 18px; }
.steps article > span { display: block; color: #b5fb4c; font-size: 11px; font-weight: 850; }
.step-icon { width: 42px; height: 42px; display: grid; place-items: center; margin: 23px 0 16px; color: #1a2415; background: #b5fb4c; border-radius: 50%; font-size: 17px; }
.steps b { color: #fffdf6; font-size: 17px; }
.final-cta { padding: 75px 0; text-align: center; background: #141515; }
.final-content { display: flex; align-items: end; justify-content: space-between; gap: 30px; text-align: left; }
.final-content h2 { max-width: 600px; }
.final-content p { margin: 12px 0 0; color: #9fa79c; font-size: 11px; line-height: 1.6; }
.final-content .primary-cta { flex: 0 0 265px; }
footer { padding: 24px 0 92px; color: #737b71; background: #141515; border-top: 1px solid #303330; font-size: 10px; line-height: 1.7; }
.mobile-cta { display: none; }
dialog { width: min(90vw, 390px); padding: 29px; color: #f8f9f3; background: #232824; border: 1px solid #596159; border-radius: 18px; box-shadow: 0 28px 80px rgba(0,0,0,.48); }
dialog::backdrop { background: rgba(0,0,0,.62); }
dialog h2 { margin: 7px 0 13px; font-size: 27px; }
dialog p { color: #c4cbc4; font-size: 13px; line-height: 1.65; }
dialog code { color: #c8ff9e; }
.dialog-badge { margin: 0; color: #b5fb4c; font-size: 10px; font-weight: 800; letter-spacing: .12em; }
.dialog-close { position: absolute; top: 11px; right: 14px; color: #fff; background: transparent; border: 0; font-size: 24px; cursor: pointer; }
#proof-dialog { width: auto; max-width: 94vw; max-height: 94vh; padding: 10px; overflow: visible; background: #101210; border: 1px solid #4b5647; border-radius: 18px; }
#proof-dialog img { display: block; max-width: min(88vw, 540px); max-height: 80vh; margin: 0 auto; border-radius: 10px; }
#proof-dialog p { margin: 10px 12px 2px; color: #d4dccf; font-size: 12px; text-align: center; }
.proof-dialog-close { position: absolute; z-index: 2; top: -13px; right: -13px; width: 36px; height: 36px; color: #102415; background: #c7ff59; border: 0; border-radius: 50%; box-shadow: 0 7px 18px rgba(0, 0, 0, .35); font-size: 25px; line-height: 1; cursor: pointer; }
@media (max-width: 750px) {
  .container { padding: 0 20px; }
  .nav { min-height: 63px; }
  .nav-note { display: none; }
  .nav-cta { display: none; }
  .hero-grid { grid-template-columns: 1fr; gap: 26px; padding-top: 42px; padding-bottom: 28px; }
  h1 em { margin-left: 10px; }
  .hero-copy .primary-cta { width: 100%; min-height: 64px; }
  .hero-visual { min-height: 540px; transform: none; margin: 0 auto; width: min(100%, 420px); }
  .proof-main { width: 280px; height: 394px; right: 0; top: 58px; transform: rotate(1deg); }
  .saving-card { left: 0; top: 23px; padding: 14px; transform: rotate(-2deg); }
  .review-card { width: calc(100% - 36px); padding: 14px 15px; }
  .review-one { left: 0; top: 399px; bottom: auto; transform: rotate(-1deg); }
  .review-two { display: none; }
  .review-card blockquote { font-size: 14px; }
  .ribbon-content { gap: 13px; justify-content: start; overflow: hidden; white-space: nowrap; font-size: 10px; }
  .proofs-section { padding: 46px 0; }
  .section-heading { display: block; }
  .section-heading p { margin-top: 12px; }
  .proof-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .proof-item { height: 238px; }
  .proof-preview span { left: 11px; right: 11px; bottom: 11px; font-size: 12px; }
  .proof-preview span i { font-size: 9px; }
  .bill-types { padding: 52px 0; }
  .types-heading { display: block; }
  .types-heading h2 { margin-top: 9px; }
  .types-grid, .steps { grid-template-columns: 1fr; }
  .types-grid { gap: 11px; margin-top: 22px; }
  .types-grid article { display: grid; grid-template-columns: 51px minmax(0, 1fr); column-gap: 15px; align-items: center; min-height: 0; padding: 20px; border: 1px solid #d8e3d2; border-radius: 17px; }
  .types-grid article > span { grid-row: 1 / span 2; width: 49px; height: 49px; border-radius: 14px; font-size: 21px; }
  .types-grid h3 { margin: 0; font-size: 22px; }
  .types-grid p { margin-top: 5px; font-size: 12px; }
  .steps-section { padding: 52px 0; }
  .steps { gap: 10px; margin-top: 23px; }
  .steps article { display: grid; grid-template-columns: 34px 43px minmax(0, 1fr); column-gap: 10px; align-items: center; min-height: 0; padding: 16px; border: 1px solid #3b483d; border-radius: 15px; }
  .steps article > span { grid-column: 1; grid-row: 1; font-size: 10px; }
  .step-icon { grid-column: 2; grid-row: 1; width: 39px; height: 39px; margin: 0; font-size: 16px; }
  .steps b { grid-column: 3; grid-row: 1; font-size: 16px; }
  .final-content { align-items: stretch; flex-direction: column; }
  .final-content .primary-cta { flex: auto; }
  .mobile-cta { position: sticky; bottom: 0; z-index: 4; display: block; padding: 10px 14px; background: rgba(20,21,21,.96); border-top: 1px solid #373b36; backdrop-filter: blur(8px); }
  .mobile-cta .primary-cta { width: 100%; min-height: 54px; }
}